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ω—噻吩基α—氰代多烯酸乙酯类化合物的气相He I光电子能谱(UPS)研究 被引量:1
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作者 王殿勋 郑世钧 +4 位作者 孟令鹏 蔡新华 戴萃辰 徐广智 J.B.Peel 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 1993年第4期352-357,共6页
本文报导ω-噻吩基α-氰代多烯酸乙酯系列化合物(n=0,1,2,3)的气相He Ⅰ类电子能谱(UPS)。UPS谱的指认借助于对每个研究分子的MNDO分子轨道计算。不同分子的最低UPS实验电离能(I_p)随分子体系中乙烯基数目的增加呈递降关系,MNDO计算的... 本文报导ω-噻吩基α-氰代多烯酸乙酯系列化合物(n=0,1,2,3)的气相He Ⅰ类电子能谱(UPS)。UPS谱的指认借助于对每个研究分子的MNDO分子轨道计算。不同分子的最低UPS实验电离能(I_p)随分子体系中乙烯基数目的增加呈递降关系,MNDO计算的各分子的HOMO具有反键的π轨道特性,且表现为由-CN基参加的贯穿整个分子的共轭体系,而-COOC_2H_5基团基因只起取代基作用。 展开更多
关键词 氰代 多烯酸乙酯 光电子能谱
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中澳社区卫生服务的比较研究 被引量:7
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作者 苏维 刘朝杰 《中国卫生事业管理》 2004年第12期711-714,共4页
中国曾经是发展中国家初级卫生保健的榜样。然而近年来 ,卫生资源配置越来越集中于大城市、大医院和高精尖技术领域 ,服务的可及性和公平性下滑。为了有效解决这些问题 ,全国各地自 1997年以来广泛开展了社区卫生服务。但是 ,这些实践... 中国曾经是发展中国家初级卫生保健的榜样。然而近年来 ,卫生资源配置越来越集中于大城市、大医院和高精尖技术领域 ,服务的可及性和公平性下滑。为了有效解决这些问题 ,全国各地自 1997年以来广泛开展了社区卫生服务。但是 ,这些实践与政策目标之间还存在相当大的距离。本文通过对比中澳两国社区卫生服务模式 ,对中国的社区卫生服务提出了一些建议。认为当务之急应该是整合现有的社区资源 ,成立初级卫生保健同盟 ,避免卫生资源的重复配置和浪费 ,增强消费者对社区卫生服务的信心。 展开更多
关键词 社区卫生服务模式 初级卫生保健 大医院 卫生资源配置 公平性 可及性 对比 发展中国家 政策目标 消费者
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WTO下中美贸易争端实证分析 被引量:5
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作者 彭德雷 《东方法学》 2011年第5期41-48,共8页
中美贸易源远流长,自中国入世之后,中美贸易争端日趋频繁。梳理总结中美在WTO下的已有贸易争端,有助于更好地认识两国的贸易关系和美国在WTO中的参与实践。同时,中国也正是在和美国不断"交手"的过程中日渐成长。但是迄今为止... 中美贸易源远流长,自中国入世之后,中美贸易争端日趋频繁。梳理总结中美在WTO下的已有贸易争端,有助于更好地认识两国的贸易关系和美国在WTO中的参与实践。同时,中国也正是在和美国不断"交手"的过程中日渐成长。但是迄今为止,美国在WTO中的参与能力仍是中国所难以企及的。展望中美贸易未来,贸易争端还将不断上演。 展开更多
关键词 中美贸易争端WTO 实证分析
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澳大利亚“战略管理”模式对我国医学教育评估的启示 被引量:1
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作者 李红玉 裴丽昆 《医学教育探索》 2004年第2期56-58,共3页
“战略管理”是近年西方国家为实现“创造出色业绩与成果 ,最大限度地获得远期收益 ,拥有远见卓识 ,并创建一支优秀的管理队伍”为目的而实施的最佳管理模式之一。其实质是讨论管理思维与实践中的二个支柱———策略与运行、以及二者之... “战略管理”是近年西方国家为实现“创造出色业绩与成果 ,最大限度地获得远期收益 ,拥有远见卓识 ,并创建一支优秀的管理队伍”为目的而实施的最佳管理模式之一。其实质是讨论管理思维与实践中的二个支柱———策略与运行、以及二者之间并行的关系。其管理理念和思路 ,特别是操作层的绩效指标值得我们学习和借鉴 ,以指导我国“高等医学教育教学评估”工作。 展开更多
关键词 澳大利亚 医学教育 中国 管理模式 高等医学
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Approaches to functional genomics in filamentous fungi 被引量:20
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作者 Richard J Weld Kim M Plummer +1 位作者 Margaret A Carpenter Hayley J Ridgway 《Cell Research》 SCIE CAS CSCD 2006年第1期31-44,共14页
The study of gene function in filamentous fungi is a field of research that has made great advances in very recent years. A number of transformation and gene manipulation strategies have been developed and applied to ... The study of gene function in filamentous fungi is a field of research that has made great advances in very recent years. A number of transformation and gene manipulation strategies have been developed and applied to a diverse and rapidly expanding list of economically important filamentous fungi and oomycetes. With the significant number of fungal genomes now sequenced or being sequenced, functional genomics promises to uncover a great deal of new information in coming years. This review discusses recent advances that have been made in examining gene function in filamentous fungi and describes the advantages and limitations of the different approaches. 展开更多
关键词 functional genomics gene replacement filamentous fungi homologous recombination RNAI gene silencing OOMYCETES
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Use of Solid State Carbothermic Reduction in Production of Transition Metals and Their Carbides 被引量:2
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作者 YANG Yin-dong SOMMERVILLE I D +1 位作者 JOHNSTON R F McLEAN A 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2000年第2期14-22,共9页
The use of solid state carbothermic reduction as a precursor to the smelting of transition metal ores was examined . The advantages of the introduction of a prereduction stage include enabling the more efficient use o... The use of solid state carbothermic reduction as a precursor to the smelting of transition metal ores was examined . The advantages of the introduction of a prereduction stage include enabling the more efficient use of fines and the achievement of higher energy efficiencies. A solid state reduction using carbon as the reductant offers a simpler alternative for their treatment. Subsequent treatment of the reduced material could include intensive bath smelting to produce ferroalloys or, in some case, solid state separation of the transition metal carbide where this has commercial significance. 展开更多
关键词 solid state carbothermic reduction transition metals CARBIDE
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Development of Mathematical Model of Slag Flow Field and Temperature Field in ESR System 被引量:1
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作者 YANG Yin-dong SOMMERVILLE I D +1 位作者 JOHNSTON R F McLEAN A 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2000年第2期27-31,共5页
The heat transfer phenomena and driving forces of slag bath flow in ESR process were analyzed, and the mathematical models in ESR system were reviewed and evaluated. The electromagnetic force is the main driving force... The heat transfer phenomena and driving forces of slag bath flow in ESR process were analyzed, and the mathematical models in ESR system were reviewed and evaluated. The electromagnetic force is the main driving force for the flow formation in the ESR slag pool, and the temperature difference in the pool creates a convective flow in the system. The shape of the electrode tip has an effect on electromagnetic field distribution in slag pool, thus affects the flow pattern. Finally an improved mathematical model of slag pool flow was proposed. 展开更多
关键词 ESR electromagnetic force buoyancy force flow field temperature field mathematical model
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The"five senses of success"in nursing students:Assessing first-year support engagement
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作者 Peta-Anne Zimmerman Rebecca Eaton +4 位作者 Lynne Brown Valda Frommolt Creina Mitchell Elizabeth Elder Frances Lin 《International Journal of Nursing Sciences》 CSCD 2019年第3期322-328,共7页
Objectives:This study aimed to identify School and University support services available and accessed by nursing students transitioning into a university environment as many struggle to adjust to competing demands of ... Objectives:This study aimed to identify School and University support services available and accessed by nursing students transitioning into a university environment as many struggle to adjust to competing demands of personal commitments and expectations at university.Methods:A mixed methods design was used,based on activity theory and Lizzio's Five Senses of Success frameworks as exploratory guides.This study was conducted amongst the first year cohort at one campus of the Bachelor of Nursing(BN)program in Queensland,Australia.An initial baseline assessment of what University and School-based support services were on offer for students,and how the students interacted with the support services was conducted.This was followed by a survey to identify awareness and access to support services.Focus groups were then conducted to clarify the previous results and to determine engagement with these support services.Results:A randomly selected number of students(n=150)in the first-year 2014 cohort of the BN program(n=300)were included in this study.The survey was completed by 54 students and three semistructured focus groups were conducted.The analysis indicated that the support services in place were successful in reaching the majority of students and contributed to their sense of success at university,Specifically students identified that a whole cohort approach to support enhanced their transition to university.Conclusion:Identifying lesser known services early in the first year will ensure that students are supported and encouraged to use all services,contributing to their sense of success at university. 展开更多
关键词 ENGAGEMENT First year experience Nursing student Supports RETENTION University transition
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Disease Development Caused by Ascochyta rabiei on Chickpea Detached-Leaves in Petri Dishes
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作者 Nunung Harijati Philip J. Keane 《American Journal of Plant Sciences》 2012年第10期1369-1375,共7页
A study using detached-leaves aimed to improve selection method. The improving method was done by scoring both disease symptom and lesion size. The research was begun by selecting agar concentration and dose of conidi... A study using detached-leaves aimed to improve selection method. The improving method was done by scoring both disease symptom and lesion size. The research was begun by selecting agar concentration and dose of conidia that could distinguish response of very susceptible or resistant chickpea genotype. The result was used to determine disease severity (DS) and disease incident (DI) of eight genotypes that were previously tested in the field. Results of the tested agar concentration and dose of conidia showed that 1.5% and 2% agar were good to determine susceptible or resistant genotype;while 1 × 105 or 5 × 104 conidia dose was suitable for inoculation. The formula of DS (no. of leaflets in category × category value/Total no. of leaflets ×10) × 100, and DI (no. leaflets with pycnidial lesions + no. leaflets with necrotic lesions)/Total no. of leaflets × 100 successfully measured genotype response. The lesions development on detached leaves of the susceptible cultivar (Lasseter) began as circular, pale-colored areas, extending to the area covered by the drop of inoculum, then became light brown and finally dark brown. However, the response of resistant line (FLIP508) was restricted in area (and often confined to a tiny speck) surrounded by chlorosis or drying of the tissue. 展开更多
关键词 DISEASE Severity (DS) DISEASE INCIDENT (DI) ASCOCHYTA rabiei CHICKPEA Detached-Leaves
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Eye contact and sociability data suggests that Australian dingoes were never domesticated
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作者 J William O Ballard Chloe Gardner +2 位作者 Lucille Ellem Sonu Yadav Richard I Kemp 《Current Zoology》 SCIE CAS CSCD 2022年第4期423-431,共9页
Dogs were the first animal to become domesticated by humans,and they represent a classic model system for unraveling the processes of domestication.We compare Australian dingo eye contact and socialization with Basenj... Dogs were the first animal to become domesticated by humans,and they represent a classic model system for unraveling the processes of domestication.We compare Australian dingo eye contact and socialization with Basenji and German Shepherd dog(GSD)breeds.Australian dingoes arrived in Australia 5,000–8,000 BP,and there is debate whether they were domesticated before their arrival.The Basenji represents a primitive breed that diverged from the remaining breeds early in the domestication process,while GSDs are a breed dog selected from existing domestic dogs in the late 1800s.We conducted a 4-phase study with unfamiliar and familiar investigators either sitting passively or actively calling each canid.We found 75%of dingoes made eye contact in each phase.In contrast,86%of Basenjis and 96%of GSDs made eye contact.Dingoes also exhibited shorter eye-gaze duration than breed dogs and did not respond to their name being called actively.Sociability,quantified as a canid coming within 1m of the experimenter,was lowest for dingoes and highest for GSDs.For sociability duration,dingoes spent less time within 1m of the experimenter than either breed dog.When compared with previous studies,these data show that the dingo is behaviorally intermediate between wild wolves and Basenji dogs and suggest that it was not domesticated before it arrived in Australia.However,it remains possible that the accumulation of mutations since colonization has obscured historical behaviors,and dingoes now exist in a feralized retamed cycle.Additional morphological and genetic data are required to resolve this conundrum. 展开更多
关键词 Basenji DINGO DOMESTICATION German Shepherd dog eye gaze SOCIABILITY
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Shared Decision Making in Residential Aged Care: A Framework Synthesis
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作者 Kaye Ervin Irene Blackberry Helen Haines 《Open Journal of Nursing》 2017年第7期814-837,共24页
Very little is known about shared decision making (SDM) in residential aged care, despite world-wide policy and imperatives that encourage resident choice and autonomy. This paper provides a framework synthesis of SDM... Very little is known about shared decision making (SDM) in residential aged care, despite world-wide policy and imperatives that encourage resident choice and autonomy. This paper provides a framework synthesis of SDM in residential aged care (RAC) and potential barriers and enablers to implement SDM utilising a theoretical framework of implementation. A review of the literature on SDM in RAC from 2005 to 2016 was undertaken, using MEDLINE (Ovid), CINAHL, PsychINFO and Scopus. The articles were synthesised by utilising an implementation theory framework to better understand what may facilitate or hinder the introduction of SDM. Eighteen studies were identified and analysed to determine barriers and enablers to SDM in RAC from the perspectives of staff, residents and relatives. A workplace culture of person-centred care and judicious use of research evidence are enablers of SDM. There is a potential need for additional resources, such as education for staff and families to enable implementation of SDM. Implementation of any health care intervention, including SDM, relies on many complex factors but these are predominantly related to capacity. Determining current uptake and readiness of RAC organisations, residents and their families to adopt SDM is an essential starting point. 展开更多
关键词 NARRATIVE SYNTHESIS SHARED DECISION Making RESIDENTIAL Aged CARE Implementation
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FedDiSC:A computation-efficient federated learning framework for power systems disturbance and cyber attack discrimination 被引量:1
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作者 Muhammad Akbar Husnoo Adnan Anwar +4 位作者 Haftu Tasew Reda Nasser Hosseinzadeh Shama Naz Islam Abdun Naser Mahmood Robin Doss 《Energy and AI》 2023年第4期212-220,共9页
With the growing concern about the security and privacy of smart grid systems,cyberattacks on critical power grid components,such as state estimation,have proven to be one of the top-priority cyber-related issues and ... With the growing concern about the security and privacy of smart grid systems,cyberattacks on critical power grid components,such as state estimation,have proven to be one of the top-priority cyber-related issues and have received significant attention in recent years.However,cyberattack detection in smart grids now faces new challenges,including privacy preservation and decentralized power zones with strategic data owners.To address these technical bottlenecks,this paper proposes a novel Federated Learning-based privacy-preserving and communication-efficient attack detection framework,known as FedDiSC,that enables Discrimination between power System disturbances and Cyberattacks.Specifically,we first propose a Federated Learning approach to enable Supervisory Control and Data Acquisition subsystems of decentralized power grid zones to collaboratively train an attack detection model without sharing sensitive power related data.Secondly,we put forward a representation learning-based Deep Auto-Encoder network to accurately detect power system and cybersecurity anomalies.Lastly,to adapt our proposed framework to the timeliness of real-world cyberattack detection in SGs,we leverage the use of a gradient privacy-preserving quantization scheme known as DP-SIGNSGD to improve its communication efficiency.Extensive simulations of the proposed framework on publicly available Industrial Control Systems datasets demonstrate that the proposed framework can achieve superior detection accuracy while preserving the privacy of sensitive power grid related information.Furthermore,we find that the gradient quantization scheme utilized improves communication efficiency by 40%when compared to a traditional federated learning approach without gradient quantization which suggests suitability in a real-world scenario. 展开更多
关键词 Federated Learning Anomaly detection Cyber attack Internet of things(IoT) Smart grid
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Conditionally Optimal Weights of Evidence
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作者 Stephan Morgenthaler Robert G.Staudte 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 2005年第2期247-256,共10页
A weight of evidence is a calibrated statistic whose values in [0, 1]indicate the degree of agreement between the data and either of two hypothesis, one being treated asthe null (H_0) and the other as the alternative ... A weight of evidence is a calibrated statistic whose values in [0, 1]indicate the degree of agreement between the data and either of two hypothesis, one being treated asthe null (H_0) and the other as the alternative (H_1). A value of zero means perfect agreement withthe null, whereas a value of one means perfect agreement with the alternative. The optimality weconsider is minimal mean squared error (MSE) under the alternative while keeping the MSE under thenull below a fixed bound. This paper studies such statistics from a conditional point of view, inparticular for location and scale models. 展开更多
关键词 Structural models INVARIANCE confidence distributions TESTING
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Brain motor control assessment post intensive whole-body exercise vs. upper body exercise after spinal cord injury
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作者 Maryam Zoghi Mary Galea 《Neuroimmunology and Neuroinflammation》 2019年第12期1-14,共14页
Aim:The aim of this study was to assess the pattern of voluntary movements in patients with spinal cord injury(SCI)post intensive whole-body training vs.upper body training with brain motor control assessment(BMCA).Me... Aim:The aim of this study was to assess the pattern of voluntary movements in patients with spinal cord injury(SCI)post intensive whole-body training vs.upper body training with brain motor control assessment(BMCA).Methods:Twelve neurologically intact participants and 18 patients with SCI participated in this study as part of a multi-centre randomised controlled trial.All participants received 12 weeks training(three times per week),which comprised trunk,upper and lower limb exercises and locomotor training and functional electrical stimulation-assisted cycling in whole-body training group and an upper body strength and fitness program for upper body training group.Results:Generalised linear model analysis showed significant effect of the main effect of the Task(P<0.001)on the similarity index of voluntary movement patterns but not on the other factors or the interactions between them(P>0.05).Some participants showed significant improvement in muscle strength post 12 weeks training;however,this improvement was not reflected in the pattern of muscle activation which was captured by BMCA.Conclusion:BMCA is a valuable objective assessment tool that could add resolution to the clinical evaluation of patients with SCI post different therapeutic techniques. 展开更多
关键词 Brain motor control assessment spinal cord injury discomplete
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