Fewer scholars in China fixed on the basic computer application learning strategies for rural students; in this paper,I want to discuss them for those students,and give them some helpful strategies to promote basic co...Fewer scholars in China fixed on the basic computer application learning strategies for rural students; in this paper,I want to discuss them for those students,and give them some helpful strategies to promote basic computer application learning in rural areas of China.展开更多
During the continuous casting process of high-Mn high-Al steels,various types of gases such as Ar need to escape through the top of the mold.In which,the behavior of bubbles traversing the liquid slag serves as a rest...During the continuous casting process of high-Mn high-Al steels,various types of gases such as Ar need to escape through the top of the mold.In which,the behavior of bubbles traversing the liquid slag serves as a restrictive link,closely associated with viscosity and the thickness of liquid slag.In contrast to two-dimensional surface observation,three-dimensional(3D)analysis method can offer a more intuitive,accurate,and comprehensive information.Therefore,this study employs a 3D X-ray microscope(3D-XRM)to obtained spatial distribution and 3D morphological characteristics of residual bubbles in mold flux under different basicity of liquid slag,different temperatures,and different holding times.The results indicate that as basicity of slag increases from 0.52 to 1.03,temperature increases from 1423 to 1573 K,the viscosity of slag decreases,the floating rate of bubbles increases.In addition,when holding time increases from 10 to 30 s,the bubbles floating distance increases,and the volume fraction and average equivalent sphere diameter of the bubbles solidified in the mold flux gradually decreases.In one word,increasing the basicity,temperature,and holding time leading to an increase in the removal rate of bubbles especially for the large.These findings of bubbles escape behavior provide valuable insights into optimizing low basicity mold flux for high-Mn high-Al steels.展开更多
The presence of endogenous neural stem/progenitor cells in the adult mammalian brain suggests that the central nervous system can be repaired and regenerated after injury.However,whether it is possible to stimulate ne...The presence of endogenous neural stem/progenitor cells in the adult mammalian brain suggests that the central nervous system can be repaired and regenerated after injury.However,whether it is possible to stimulate neurogenesis and reconstruct cortical layers II to VI in non-neurogenic regions,such as the cortex,remains unknown.In this study,we implanted a hyaluronic acid collagen gel loaded with basic fibroblast growth factor into the motor cortex immediately following traumatic injury.Our findings reveal that this gel effectively stimulated the proliferation and migration of endogenous neural stem/progenitor cells,as well as their differentiation into mature and functionally integrated neurons.Importantly,these new neurons reconstructed the architecture of cortical layers II to VI,integrated into the existing neural circuitry,and ultimately led to improved brain function.These findings offer novel insight into potential clinical treatments for traumatic cerebral cortex injuries.展开更多
AIM:To compare refractive error and angle of deviation in patients with basic esotropia and basic exotropia.METHODS:A retrospective review was conducted on the medical records of patients with basic-type strabismus.De...AIM:To compare refractive error and angle of deviation in patients with basic esotropia and basic exotropia.METHODS:A retrospective review was conducted on the medical records of patients with basic-type strabismus.Demographic data,refractive error,best-corrected distance visual acuity(BCVA),and the horizontal and vertical angle of deviation between basic esotropia and exotropia patients were compared.RESULTS:Among the 7129 patients(mean age 22.98±14.81y)evaluated,44.7%(3185 cases,54.9%male)exhibited basic-type esotropia,while 55.3%(3944 cases,53.9%male)presented with basic-type exotropia.Basic esotropia cases exhibited more hyperopic spherical equivalent measurements in both eyes(right:0.53±3.07 vs left:0.56±2.98 D)than those with basic exotropia(right eye:-0.33±2.84 vs left eye:-0.24±2.68 D,P<0.001 for both eyes).Patients with basic esotropia had significantly greater horizontal deviation angles(near:36.08±18.87 PD and far:35.56±18.75 PD)compared to those with basic exotropia(near:33.75±16.11 PD and far:33.26±15.90 PD,P<0.001).Conversely,patients with basic exotropia had slightly higher vertical deviation angles(near:1.67±5.80 PD and far:1.72±5.89 PD)compared to those with basic esotropia(near:1.12±4.57 PD and far:1.12±4.58 PD,P<0.001).Patients with basic esotropia underwent surgical intervention at younger ages compared to basic exotropia individuals(19.68±15.99 vs 25.66±13.20,P<0.001).CONCLUSION:Basic esotropia patients present more hyperopic refractive errors,better visual acuity,larger horizontal yet smaller vertical ocular misalignments,and tend to undergo strabismus surgery at younger ages relative to basic exotropia cases.展开更多
The beauty in basic education is pure,simple and true.The beautiful works created by teachers,the beautiful works of teaching materials and the statues of model teachers were gathered in the palace of beauty-the Natio...The beauty in basic education is pure,simple and true.The beautiful works created by teachers,the beautiful works of teaching materials and the statues of model teachers were gathered in the palace of beauty-the National Art Museum of China,nourishing the heart of the public with the beauty in basic education.展开更多
As a by-product of the steelmaking process,steel slag has a large stock and poor stability,which has led to a gradual decline in its utilization.In order to enhance the utilization rate of steel slag,the preparation o...As a by-product of the steelmaking process,steel slag has a large stock and poor stability,which has led to a gradual decline in its utilization.In order to enhance the utilization rate of steel slag,the preparation of basic pellets by using steel slag as the flux was proposed,in consideration of the high basicity of steel slag.The incorporation of steel slag has been demonstrated to enhance the water-holding capacity and the decrepitation temperature of green pellets.The addition of steel slag increases the content of calcium oxide in the pellets,promotes the formation of a fusible phase in the pellets,and thus increases the liquid phase.With the increasing content of steel slag,the porosity of finished pellets gradually increases and the compressive strength decreases,but the compressive strength of finished pellets can all exceed 2500 N.The addition of steel slag can improve the reducibility index of pellets,with the maximum reducibility index increasing by 12.06%;the reduction swelling index is less than 10.9%,and the reduction degradation index is more than 58.4%.展开更多
As a practicing anatomic pathologist specialized in urologic pathology,a vast difference may be observed between what pathologists designate as neuroendocrine(or small cell)carcinoma of the prostate,and what clinician...As a practicing anatomic pathologist specialized in urologic pathology,a vast difference may be observed between what pathologists designate as neuroendocrine(or small cell)carcinoma of the prostate,and what clinicians or basic scientists define as such.展开更多
With the transformation of medical models and the advancement of medical technology,the new era has put forward higher requirements for nursing talents.Nursing staff should not only master solid professional skills an...With the transformation of medical models and the advancement of medical technology,the new era has put forward higher requirements for nursing talents.Nursing staff should not only master solid professional skills and knowledge,but also possess innovative thinking and interdisciplinary cooperation capabilities.As an important place for cultivating nursing talents,higher vocational colleges should update the teaching content of experiment and training in a timely manner in combination with the needs of social changes.Based on this,this paper studies the experiment and training teaching of basic nursing in higher vocational nursing majors,analyzes the changes in the demand for nursing talents in the new era,expounds the existing problems in the current teaching,and puts forward corresponding implementation countermeasures,to cultivate high-quality nursing talents meeting the needs of the new era and provide reference for the teaching reform of higher vocational nursing majors.展开更多
This study investigated the mediating role of basic psychological needs satisfaction in relationship between teacher support and adolescents’personal growth initiative.A total of 493 adolescents(females=44.8%,mean ag...This study investigated the mediating role of basic psychological needs satisfaction in relationship between teacher support and adolescents’personal growth initiative.A total of 493 adolescents(females=44.8%,mean age=12.46,SD=0.57)completed the Teacher Support Scale,the Adolescents’Personal Growth Initiative Scale,and the Basic Psychological Needs Scale.The results,analyzed through a Mediation model analysis results indicated higher teacher support to be significantly associated with higher adolescents’personal growth initiative.Teacher support was also associated with higher basic psychological needs satisfaction.Basic psychological needs satisfaction mediated the relationship between teacher support and adolescents’personal growth initiative for higher personal growth initiative.Thus,enhancing students’perceptions of teacher support would support the student’s sense of proactive and resilient growth with basic psychological needs satisfaction.展开更多
Several factors can influence learning process and the overall students’performance but it seems that few studies had made attempt to investigate the influence of teachers and school factors on students’achievement ...Several factors can influence learning process and the overall students’performance but it seems that few studies had made attempt to investigate the influence of teachers and school factors on students’achievement especially in a technological-driven world where Basic Science performance is low.The study investigated teachers’characteristics and school factors as correlates of students’achievement in Basic Science in Oyo State.The survey research was anchored on constructivism and theory of learning.Multi-stage sampling procedures were employed to select all the 33 Local Government Areas of Oyo State.Two schools each,66 teachers and 1,980 students participated in the study.Three validated instruments used to gather information are:Teachers’Characteristics and School Factors Questionnaire with r=0.84,Teachers’Observational Sheet with r=0.87,and Basic Science Achievement Test with r=0.87.Data were analyzed using descriptive and inferential statistics at 0.05 level of significance.Significant relationship was found between teachers’experience(r=0.77,0.003,P<.05),teachers’subject mastery(r=0.66,0.019,P<.05),school location(r=0.62,0.031,P<.05),and students’achievement.School facilities(β=1.244;t=2.487;p<0.05)contributed significantly to the prediction.The variables jointly explained 82%of the variance observed in students’achievement in Basic Science.There is a strong correlation of variables on students’achievement.Teachers should improve on their subject mastery skill while enabling environment should be provided by the government.展开更多
The semi-molten smelting process of a mixture of saprolitic and limonitic laterite ores was systematically investigated and the effect of slag basicity was deeply analyzed.The results indicate that the slag system can...The semi-molten smelting process of a mixture of saprolitic and limonitic laterite ores was systematically investigated and the effect of slag basicity was deeply analyzed.The results indicate that the slag system can be located in the liquidus region of low melting-point diopside(CaMgSi_(2)O_(6))when slag basicity is kept at 0.3 and limonitic laterite mass fraction is not less than 10%.When the reduction temperature,C/O mass ratio,limonitic laterite mass fraction and slag basicity are kept at the optimum values of 1300℃,0.86,20%and 0.3,respectively,ferronickel products with grades 6.42%Ni and 86.99%Fe are prepared.The recovery rates of Ni and Fe reach 88.60%and 72.25%,respectively.展开更多
In response to current issues in basic nursing course instruction,this article proposes a teaching model reform based on the OBE(outcome-based education)concept.By resetting course objectives,innovating teaching metho...In response to current issues in basic nursing course instruction,this article proposes a teaching model reform based on the OBE(outcome-based education)concept.By resetting course objectives,innovating teaching methods and content,reforming the assessment and evaluation system,as well as conducting practical explorations and case studies,the aim is to enhance teaching quality and cultivate students’practical abilities and comprehensive qualities.The article elaborates on the application of the OBE concept in nursing education and its effectiveness evaluation,providing a valuable reference for nursing education reform.展开更多
Ni-rich layered oxide cathode materials such as LiNi_(0.8)Mn_(0.1)Co_(0.1)O_(2)(NCM811)face poor interfacial stability and serious side reactions with sulfide solid-state electrolytes.This problem is thought to be exa...Ni-rich layered oxide cathode materials such as LiNi_(0.8)Mn_(0.1)Co_(0.1)O_(2)(NCM811)face poor interfacial stability and serious side reactions with sulfide solid-state electrolytes.This problem is thought to be exacerbated by the gradually accumulated basicity of the surface with the Ni content increasing.Herein,the acidic Li_(3)PO_(4)coating layer on NCM811 particles is introduced by ball-milling approach to neutralize the basicity and aggrandize the interfacial stability.The tailored surface structure and components of NCM811 not only suppress the direct contact of cathode particles with sulfide solid-state electrolyte,but also facilitate electrochemical dynamics by driving the Li+migration across the interface and promoting the electron exchange.Thus,cells with Li_(3)PO_(4)coating layer yield 101.3 mAh g^(-1)specific capacity at 2.0 C and highly reversed discharging capacity after suffering from harsh work conditions.Additionally,the stable coating layer broadens the electrochemical windows of cells,delivering long cycle stability(>100 cycles 0.5 C).This contribution highlights the importance of basicity regulation of Ni-rich layered oxide cathode and offers a low-cost and effective approach to design the interfacial structures for the development of all solid-state batteries.展开更多
Background:Fundamental internal factors like self-construal and its influence on problematic online game use(POGU)remain underexplored.Hence,this study aims to investigate the effects of independent and interdependent...Background:Fundamental internal factors like self-construal and its influence on problematic online game use(POGU)remain underexplored.Hence,this study aims to investigate the effects of independent and interdependent self-construal on POGU,with the mediation of basic psychological needs satisfaction.Methods:The study surveyed 418 Chinese junior high school students(50.24%male;Meanage=12.68,SD=0.65),assessing their levels of self-construal,basic psychological needs satisfaction,and POGU.Aparallelmediationmodelwas tested.Results:The findings showed that autonomy and competence needs satisfaction fully mediated the negative impact of independent self-construal on POGU(B=−0.052,p<0.05;B=−0.094,p<0.01,respectively),while interdependent self-construal and relatedness needs satisfaction did not have a significant effect on POGU(B=0.005,p=0.758).Additionally,while independent self-construal positively correlated with the satisfaction of all three psychological needs,interdependent self-construal only positively associated with relatedness need satisfaction(B=0.152,p<0.001).Conclusions:The study demonstrates that independent self-construal serves as a protective factor against POGU,mediated by autonomy and competence needs satisfaction,while the effects of interdependent self-construal are more complex.These insights highlight the need for tailored interventions that promote adaptive self-construal and psychological needs satisfaction among Chinese adolescents to prevent POGU.展开更多
Purpose–To systematically characterize and objectively evaluate basic railway safety management capability,creating a closed-loop management approach which allows continuous improvement and optimization.Design/method...Purpose–To systematically characterize and objectively evaluate basic railway safety management capability,creating a closed-loop management approach which allows continuous improvement and optimization.Design/methodology/approach–A basic railway safety management capability evaluation index system based on a comprehensive analysis of national safety management standards,railway safety rules and regulations and existing safety data from railway transport enterprises is presented.The system comprises a guideline layer including safety committee formation,work safety responsibility,safety management organization and safety rules and regulations as its components,along with an index layer consisting of 12 quantifiable indexes.Game theory combination weighting is utilized to integrate subjective and objective weight values derived using AHP and CRITIC methods and further combined using the TOPSIS method in order to construct a comprehensive basic railway safety management capability evaluation model.Findings–The case study presented demonstrates that this evaluation index system and comprehensive evaluation model are capable of effectively characterizing and evaluating basic railway safety management capability and providing directional guidance for its sustained improvement.Originality/value–Construction of an evaluation index system that is quantifiable,generalizable and accessible,accurately reflects the main aspects of railway transportation enterprises’basic safety management capability and provides interoperability across various railway transportation enterprises.The application of the game theoretic combination weighting method to derive composite weights which combine experts’subjective evaluations with the objectivity of data.展开更多
The present study aimed to examine the association between kindergarten error management climate and creative teaching and the mediating role of basic psychological needs satisfaction.A sample of 561 Chinese kindergar...The present study aimed to examine the association between kindergarten error management climate and creative teaching and the mediating role of basic psychological needs satisfaction.A sample of 561 Chinese kindergarten teachers(females=98%,M_(age)=34.32,SD=1.25)completed self-reported questionnaires on their work error management atmosphere,basic psychological needs satisfaction,and innovative teaching.The results structural equation modelling path analysis showed that high kindergarten error management climate was associated with higher innovative teaching.Moreover,the need for competence,but not the need for relatedness accounted for kindergarten error management atmosphere related to the teachers’innovative teaching.These results clarify the role of self-perceived competencies in the relationship between kindergarten teacher error management climate and creative teaching prospects important for teacher development and supervision.展开更多
文摘Fewer scholars in China fixed on the basic computer application learning strategies for rural students; in this paper,I want to discuss them for those students,and give them some helpful strategies to promote basic computer application learning in rural areas of China.
基金financially supported by the National Natural Science Foundation of China(Nos.52274315 and 52374320)the Fundamental Research Funds for the Central Universities(Nos.FRF-TP-22-011A1 and FRF-DF22-16)。
文摘During the continuous casting process of high-Mn high-Al steels,various types of gases such as Ar need to escape through the top of the mold.In which,the behavior of bubbles traversing the liquid slag serves as a restrictive link,closely associated with viscosity and the thickness of liquid slag.In contrast to two-dimensional surface observation,three-dimensional(3D)analysis method can offer a more intuitive,accurate,and comprehensive information.Therefore,this study employs a 3D X-ray microscope(3D-XRM)to obtained spatial distribution and 3D morphological characteristics of residual bubbles in mold flux under different basicity of liquid slag,different temperatures,and different holding times.The results indicate that as basicity of slag increases from 0.52 to 1.03,temperature increases from 1423 to 1573 K,the viscosity of slag decreases,the floating rate of bubbles increases.In addition,when holding time increases from 10 to 30 s,the bubbles floating distance increases,and the volume fraction and average equivalent sphere diameter of the bubbles solidified in the mold flux gradually decreases.In one word,increasing the basicity,temperature,and holding time leading to an increase in the removal rate of bubbles especially for the large.These findings of bubbles escape behavior provide valuable insights into optimizing low basicity mold flux for high-Mn high-Al steels.
基金supported by the National Natural Science Foundation of China,Nos.82272171(to ZY),82271403(to XL),81941011(to XL),31971279(to ZY),31730030(to XL)the Natural Science Foundation of Beijing,No.7222004(to HD).
文摘The presence of endogenous neural stem/progenitor cells in the adult mammalian brain suggests that the central nervous system can be repaired and regenerated after injury.However,whether it is possible to stimulate neurogenesis and reconstruct cortical layers II to VI in non-neurogenic regions,such as the cortex,remains unknown.In this study,we implanted a hyaluronic acid collagen gel loaded with basic fibroblast growth factor into the motor cortex immediately following traumatic injury.Our findings reveal that this gel effectively stimulated the proliferation and migration of endogenous neural stem/progenitor cells,as well as their differentiation into mature and functionally integrated neurons.Importantly,these new neurons reconstructed the architecture of cortical layers II to VI,integrated into the existing neural circuitry,and ultimately led to improved brain function.These findings offer novel insight into potential clinical treatments for traumatic cerebral cortex injuries.
文摘AIM:To compare refractive error and angle of deviation in patients with basic esotropia and basic exotropia.METHODS:A retrospective review was conducted on the medical records of patients with basic-type strabismus.Demographic data,refractive error,best-corrected distance visual acuity(BCVA),and the horizontal and vertical angle of deviation between basic esotropia and exotropia patients were compared.RESULTS:Among the 7129 patients(mean age 22.98±14.81y)evaluated,44.7%(3185 cases,54.9%male)exhibited basic-type esotropia,while 55.3%(3944 cases,53.9%male)presented with basic-type exotropia.Basic esotropia cases exhibited more hyperopic spherical equivalent measurements in both eyes(right:0.53±3.07 vs left:0.56±2.98 D)than those with basic exotropia(right eye:-0.33±2.84 vs left eye:-0.24±2.68 D,P<0.001 for both eyes).Patients with basic esotropia had significantly greater horizontal deviation angles(near:36.08±18.87 PD and far:35.56±18.75 PD)compared to those with basic exotropia(near:33.75±16.11 PD and far:33.26±15.90 PD,P<0.001).Conversely,patients with basic exotropia had slightly higher vertical deviation angles(near:1.67±5.80 PD and far:1.72±5.89 PD)compared to those with basic esotropia(near:1.12±4.57 PD and far:1.12±4.58 PD,P<0.001).Patients with basic esotropia underwent surgical intervention at younger ages compared to basic exotropia individuals(19.68±15.99 vs 25.66±13.20,P<0.001).CONCLUSION:Basic esotropia patients present more hyperopic refractive errors,better visual acuity,larger horizontal yet smaller vertical ocular misalignments,and tend to undergo strabismus surgery at younger ages relative to basic exotropia cases.
文摘The beauty in basic education is pure,simple and true.The beautiful works created by teachers,the beautiful works of teaching materials and the statues of model teachers were gathered in the palace of beauty-the National Art Museum of China,nourishing the heart of the public with the beauty in basic education.
基金financially supported by Key Research Project of Hubei Province(No.2022BCA062)China Baowu Low Carbon Metallurgy Innovation Foundation(No.BWLCF202107).
文摘As a by-product of the steelmaking process,steel slag has a large stock and poor stability,which has led to a gradual decline in its utilization.In order to enhance the utilization rate of steel slag,the preparation of basic pellets by using steel slag as the flux was proposed,in consideration of the high basicity of steel slag.The incorporation of steel slag has been demonstrated to enhance the water-holding capacity and the decrepitation temperature of green pellets.The addition of steel slag increases the content of calcium oxide in the pellets,promotes the formation of a fusible phase in the pellets,and thus increases the liquid phase.With the increasing content of steel slag,the porosity of finished pellets gradually increases and the compressive strength decreases,but the compressive strength of finished pellets can all exceed 2500 N.The addition of steel slag can improve the reducibility index of pellets,with the maximum reducibility index increasing by 12.06%;the reduction swelling index is less than 10.9%,and the reduction degradation index is more than 58.4%.
文摘As a practicing anatomic pathologist specialized in urologic pathology,a vast difference may be observed between what pathologists designate as neuroendocrine(or small cell)carcinoma of the prostate,and what clinicians or basic scientists define as such.
文摘With the transformation of medical models and the advancement of medical technology,the new era has put forward higher requirements for nursing talents.Nursing staff should not only master solid professional skills and knowledge,but also possess innovative thinking and interdisciplinary cooperation capabilities.As an important place for cultivating nursing talents,higher vocational colleges should update the teaching content of experiment and training in a timely manner in combination with the needs of social changes.Based on this,this paper studies the experiment and training teaching of basic nursing in higher vocational nursing majors,analyzes the changes in the demand for nursing talents in the new era,expounds the existing problems in the current teaching,and puts forward corresponding implementation countermeasures,to cultivate high-quality nursing talents meeting the needs of the new era and provide reference for the teaching reform of higher vocational nursing majors.
文摘This study investigated the mediating role of basic psychological needs satisfaction in relationship between teacher support and adolescents’personal growth initiative.A total of 493 adolescents(females=44.8%,mean age=12.46,SD=0.57)completed the Teacher Support Scale,the Adolescents’Personal Growth Initiative Scale,and the Basic Psychological Needs Scale.The results,analyzed through a Mediation model analysis results indicated higher teacher support to be significantly associated with higher adolescents’personal growth initiative.Teacher support was also associated with higher basic psychological needs satisfaction.Basic psychological needs satisfaction mediated the relationship between teacher support and adolescents’personal growth initiative for higher personal growth initiative.Thus,enhancing students’perceptions of teacher support would support the student’s sense of proactive and resilient growth with basic psychological needs satisfaction.
文摘Several factors can influence learning process and the overall students’performance but it seems that few studies had made attempt to investigate the influence of teachers and school factors on students’achievement especially in a technological-driven world where Basic Science performance is low.The study investigated teachers’characteristics and school factors as correlates of students’achievement in Basic Science in Oyo State.The survey research was anchored on constructivism and theory of learning.Multi-stage sampling procedures were employed to select all the 33 Local Government Areas of Oyo State.Two schools each,66 teachers and 1,980 students participated in the study.Three validated instruments used to gather information are:Teachers’Characteristics and School Factors Questionnaire with r=0.84,Teachers’Observational Sheet with r=0.87,and Basic Science Achievement Test with r=0.87.Data were analyzed using descriptive and inferential statistics at 0.05 level of significance.Significant relationship was found between teachers’experience(r=0.77,0.003,P<.05),teachers’subject mastery(r=0.66,0.019,P<.05),school location(r=0.62,0.031,P<.05),and students’achievement.School facilities(β=1.244;t=2.487;p<0.05)contributed significantly to the prediction.The variables jointly explained 82%of the variance observed in students’achievement in Basic Science.There is a strong correlation of variables on students’achievement.Teachers should improve on their subject mastery skill while enabling environment should be provided by the government.
基金supports from the National Key R&D Program of China(No.2022YFC3901404)the Natural Science Foundation of Chongqing,China(No.CSTB2023NSCQ-BHX0166)the Fundamental Research Funds for the Central Universities,China(No.2023CDJXY-016)are sincerely acknowledged.
文摘The semi-molten smelting process of a mixture of saprolitic and limonitic laterite ores was systematically investigated and the effect of slag basicity was deeply analyzed.The results indicate that the slag system can be located in the liquidus region of low melting-point diopside(CaMgSi_(2)O_(6))when slag basicity is kept at 0.3 and limonitic laterite mass fraction is not less than 10%.When the reduction temperature,C/O mass ratio,limonitic laterite mass fraction and slag basicity are kept at the optimum values of 1300℃,0.86,20%and 0.3,respectively,ferronickel products with grades 6.42%Ni and 86.99%Fe are prepared.The recovery rates of Ni and Fe reach 88.60%and 72.25%,respectively.
文摘In response to current issues in basic nursing course instruction,this article proposes a teaching model reform based on the OBE(outcome-based education)concept.By resetting course objectives,innovating teaching methods and content,reforming the assessment and evaluation system,as well as conducting practical explorations and case studies,the aim is to enhance teaching quality and cultivate students’practical abilities and comprehensive qualities.The article elaborates on the application of the OBE concept in nursing education and its effectiveness evaluation,providing a valuable reference for nursing education reform.
基金supported by the National Natural Science Foundation of China(22379121)the Shenzhen Foundation Research Fund(JCYJ20210324104412034)+1 种基金the Fundamental Research Funds for the Central Universities(G2024KY05103)the“Scientists+Engineers”Team in Qinchuangyuan of Shaanxi Province(2024QCY-KXJ-023)。
文摘Ni-rich layered oxide cathode materials such as LiNi_(0.8)Mn_(0.1)Co_(0.1)O_(2)(NCM811)face poor interfacial stability and serious side reactions with sulfide solid-state electrolytes.This problem is thought to be exacerbated by the gradually accumulated basicity of the surface with the Ni content increasing.Herein,the acidic Li_(3)PO_(4)coating layer on NCM811 particles is introduced by ball-milling approach to neutralize the basicity and aggrandize the interfacial stability.The tailored surface structure and components of NCM811 not only suppress the direct contact of cathode particles with sulfide solid-state electrolyte,but also facilitate electrochemical dynamics by driving the Li+migration across the interface and promoting the electron exchange.Thus,cells with Li_(3)PO_(4)coating layer yield 101.3 mAh g^(-1)specific capacity at 2.0 C and highly reversed discharging capacity after suffering from harsh work conditions.Additionally,the stable coating layer broadens the electrochemical windows of cells,delivering long cycle stability(>100 cycles 0.5 C).This contribution highlights the importance of basicity regulation of Ni-rich layered oxide cathode and offers a low-cost and effective approach to design the interfacial structures for the development of all solid-state batteries.
基金supported by The National Social Science Fund of China(24ASH013).
文摘Background:Fundamental internal factors like self-construal and its influence on problematic online game use(POGU)remain underexplored.Hence,this study aims to investigate the effects of independent and interdependent self-construal on POGU,with the mediation of basic psychological needs satisfaction.Methods:The study surveyed 418 Chinese junior high school students(50.24%male;Meanage=12.68,SD=0.65),assessing their levels of self-construal,basic psychological needs satisfaction,and POGU.Aparallelmediationmodelwas tested.Results:The findings showed that autonomy and competence needs satisfaction fully mediated the negative impact of independent self-construal on POGU(B=−0.052,p<0.05;B=−0.094,p<0.01,respectively),while interdependent self-construal and relatedness needs satisfaction did not have a significant effect on POGU(B=0.005,p=0.758).Additionally,while independent self-construal positively correlated with the satisfaction of all three psychological needs,interdependent self-construal only positively associated with relatedness need satisfaction(B=0.152,p<0.001).Conclusions:The study demonstrates that independent self-construal serves as a protective factor against POGU,mediated by autonomy and competence needs satisfaction,while the effects of interdependent self-construal are more complex.These insights highlight the need for tailored interventions that promote adaptive self-construal and psychological needs satisfaction among Chinese adolescents to prevent POGU.
基金supported by the China National Railway Group Co.,Ltd.Research and Development Project(P2023T002).
文摘Purpose–To systematically characterize and objectively evaluate basic railway safety management capability,creating a closed-loop management approach which allows continuous improvement and optimization.Design/methodology/approach–A basic railway safety management capability evaluation index system based on a comprehensive analysis of national safety management standards,railway safety rules and regulations and existing safety data from railway transport enterprises is presented.The system comprises a guideline layer including safety committee formation,work safety responsibility,safety management organization and safety rules and regulations as its components,along with an index layer consisting of 12 quantifiable indexes.Game theory combination weighting is utilized to integrate subjective and objective weight values derived using AHP and CRITIC methods and further combined using the TOPSIS method in order to construct a comprehensive basic railway safety management capability evaluation model.Findings–The case study presented demonstrates that this evaluation index system and comprehensive evaluation model are capable of effectively characterizing and evaluating basic railway safety management capability and providing directional guidance for its sustained improvement.Originality/value–Construction of an evaluation index system that is quantifiable,generalizable and accessible,accurately reflects the main aspects of railway transportation enterprises’basic safety management capability and provides interoperability across various railway transportation enterprises.The application of the game theoretic combination weighting method to derive composite weights which combine experts’subjective evaluations with the objectivity of data.
基金supported by Jiangxi Province Colleges and Universities Humanities and Social Sciences Key Research Base Project:Research on the Cultivation of Innovative Talents in Higher Vocational Preschool Education Majors-Based on the Perspective of Self-Determination Theory(No.JD23113).
文摘The present study aimed to examine the association between kindergarten error management climate and creative teaching and the mediating role of basic psychological needs satisfaction.A sample of 561 Chinese kindergarten teachers(females=98%,M_(age)=34.32,SD=1.25)completed self-reported questionnaires on their work error management atmosphere,basic psychological needs satisfaction,and innovative teaching.The results structural equation modelling path analysis showed that high kindergarten error management climate was associated with higher innovative teaching.Moreover,the need for competence,but not the need for relatedness accounted for kindergarten error management atmosphere related to the teachers’innovative teaching.These results clarify the role of self-perceived competencies in the relationship between kindergarten teacher error management climate and creative teaching prospects important for teacher development and supervision.
