Kong Weili is my classmate and she is my good friend,either①•She is thirteen years old this year.She isn’t very tall,and her eyes,nose and mouth are very small,but I think she looks very beautiful.
A good friend is like a gentle breeze that blows away your gloomy mood,a beam of sunshine that warms your heart,and a guiding light that accompanies you on your journey.A true friend brings you comfort,joy,and encoura...A good friend is like a gentle breeze that blows away your gloomy mood,a beam of sunshine that warms your heart,and a guiding light that accompanies you on your journey.A true friend brings you comfort,joy,and encouragement.展开更多
Do you like animals?Animals are cute.Some people like loyal dogs,some like adorable cats,and others prefer fluffy bunnies.But my favorite animals are naughty hamsters because they are full of energy.With just a little...Do you like animals?Animals are cute.Some people like loyal dogs,some like adorable cats,and others prefer fluffy bunnies.But my favorite animals are naughty hamsters because they are full of energy.With just a little food and water,they can thrive.Plus,they are really affordable,unlike cats and dogs that can cost several hundred or even over a thousand yuan.展开更多
I have a best friend・His name is Li Xuan・We live in the same neighborhood and go to the same school.Li Xuan is a kind and clever boy.He always smiles and is ready to help others.One day,I had a problem with my math ho...I have a best friend・His name is Li Xuan・We live in the same neighborhood and go to the same school.Li Xuan is a kind and clever boy.He always smiles and is ready to help others.One day,I had a problem with my math homework and I was very worried.展开更多
Jiang Shaohong is my best friend.He is 14years old and he is in Class 1,Grade 8.He is clever and can learn things quickly.He works hard at all his subjects.He has many hobbies,such as reading,singing,dancing,and playi...Jiang Shaohong is my best friend.He is 14years old and he is in Class 1,Grade 8.He is clever and can learn things quickly.He works hard at all his subjects.He has many hobbies,such as reading,singing,dancing,and playing sports.He loves animals,so he keeps a small dog as a pet and takes good care of it at home.He is kind and helpful.He often helps his classmates with their studies.展开更多
Sally Rooney,a young Irish writer,has been dubbed“the first great novelist of the millennial generation”.Conversations with Friends,her first work,demonstrates amazing insight and subtle expression as she explores a...Sally Rooney,a young Irish writer,has been dubbed“the first great novelist of the millennial generation”.Conversations with Friends,her first work,demonstrates amazing insight and subtle expression as she explores a wide range of realistic issues such as modern intimacy,class injustice,and politics,all while depicting the complex interaction between two college girls and a celebrity couple from Dublin.This paper will use psychoanalytic viewpoints from scholars such as Freud,Garland,and Kaufman to examine the trauma and shame experienced by the heroine Frances,as well as the possibilities and ways in which adults can heal the trauma.Rooney completes the trauma narrative of modern people by portraying the life and feelings of Frances,a normal modern youth.展开更多
This article presents research focused on developing and scientifically substantiating a technology for producing environmentally friendly glued structures fromwood treated through a two-stage process.Themethodology i...This article presents research focused on developing and scientifically substantiating a technology for producing environmentally friendly glued structures fromwood treated through a two-stage process.Themethodology involves preliminary thermal modification followed by high-frequency low-temperature plasma treatment.Thermal modification enhances performance characteristics such as resistance to rot,lowers hygroscopicity,and increases dimensional stability.However,it can diminish the adhesive properties of wood,complicating the bonding process.To address this challenge,the study introduces high-frequency low-temperature plasma treatment,which activates the wood surface,improving wettability and adhesion while minimizing glue consumption.Experimental results indicate that plasma treatment reduces the contact angle by 46%and adhesive consumption during bonding by 24%,thereby enhancing the environmental friendliness of the glued structures.Furthermore,this dual treatment process increases the shear strength of adhesive joints by 22.7%and bending strength of glued beams by 66.6%,demonstrating a 30%lower carbon footprint compared to conventional methods.The findings affirm the efficacy of this technology in producing building materials,particularly glued beams for large-span structures.展开更多
Accurate assessment of blast furnace conditions is a crucial component in the blast furnace control decision-making process.However,most adversarial models in the field currently update the parameters of the label pre...Accurate assessment of blast furnace conditions is a crucial component in the blast furnace control decision-making process.However,most adversarial models in the field currently update the parameters of the label predictor by minimising the objective function while maximising the objective function to update the domain discriminator's parameters.This strategy results in an excessive maximisation of the domain discriminator's loss.To address this,a friendly adversarial training-based tri-training furnace condition diagnosis model was proposed.This model employed a convolutional neural network-long short-term memory-attention mechanism network as a single-view feature extractor and used decision tree methods as three classifiers to compute the cosine similarity between features and representative vectors of each class.During the knowledge transfer process,the classifiers in this model have a specific goal;they not only seek to maximise the entropy of the target domain samples but also aim to minimise the entropy of the target domain samples when they are misclassified,thus resolving the trade-off in traditional models where robustness is improved at the expense of accuracy.Experimental results indicate that the diagnostic accuracy of this model reaches 96%,with an approximately 8%improvement over existing methods due to the inner optimisation approach.This model provides an effective and feasible solution for the efficient monitoring and diagnosis of blast furnace processes.展开更多
During the 2025 Beijing Digital Economy Experience Week from 27 June to 5 July,interactive projects combining technology and culture-illustrated books created by voice AI,augmented reality tours,and markerless motion ...During the 2025 Beijing Digital Economy Experience Week from 27 June to 5 July,interactive projects combining technology and culture-illustrated books created by voice AI,augmented reality tours,and markerless motion capture-attracted many visitors.“More than a dozen themed areas offered the opportunity to dive into new worlds and discover the latest innovations from more than 50 companies,”Lu Yumin,a Beijing resident who visited the event,told ChinAfrica.展开更多
As "PFC Free" becomes a standard feature for more and more outdoor brands,environmental protection is no longer a distant slogan,but has become a necessary choice in consumer decision-making.When labels‘PFC...As "PFC Free" becomes a standard feature for more and more outdoor brands,environmental protection is no longer a distant slogan,but has become a necessary choice in consumer decision-making.When labels‘PFC free’are attached to products,we cannot help but ask:Where will the next environmental revolution occur?展开更多
In this research,the antibacterial properties of a composite material prepared from agave bagasse cellulose fibers doped with silver nanoparticles and chitosan were studied.The development of composite materials with ...In this research,the antibacterial properties of a composite material prepared from agave bagasse cellulose fibers doped with silver nanoparticles and chitosan were studied.The development of composite materials with antibacterial properties and environmentally friendly based on cellulose fibers from agave bagasse with silver nanoparticles prepared by green synthesis and chitosan from shrimp waste enhances the value of these agro-industrial wastes and offers the opportunity for them to have biomedical applications since these raw materials have been poorly reported for this application.The antibacterial properties of chitosan and silver nanoparticles are already known.However,the combination of silver nanoparticles with cellulose fibers and chitosan has been studied poorly.Green synthesis of silver nanoparticles was carried out,and spherical shape nanoparticles with a size between 20 and 50 nm were obtained by ultraviolet-visible(UV-Vis)spectroscopy and transmission electron microscopy(TEM)analysis.Additionally,in this research,the cellulose obtained from agave bagasse,the chitosan extracted from shrimp shells,and the composite material were characterized by infrared spectroscopy,mechanical analysis,and antibacterial tests.A decrease in the growth of Escherichia coli bacteria with 100%growth inhibition on cellulose,chitosan,and silver nanoparticles composite material and an increase in mechanical properties from 13.67 MPa of cellulose pure to 110 MPa of composite material was observed.These findings support the idea that the composite material has potential use in wound care dressings for antibacterial care.展开更多
From globally popular video game Black Myth:Wukong,which has garnered a dedicated player base around the world,to DeepSeek,an artificial intelligence(AI)model developed at an impressively low cost that rivals U.S.comp...From globally popular video game Black Myth:Wukong,which has garnered a dedicated player base around the world,to DeepSeek,an artificial intelligence(AI)model developed at an impressively low cost that rivals U.S.company OpenAI’s ChatGPT,and the perfectly synchronized robotic ensemble performing with precision at this year’s China Central Television Spring Festival Gala,a Chinese New Year’s Eve extravaganza that aired on January 28-these big tech breakthroughs have risen to prominence one after another,generating massive buzz.展开更多
Dear Dale,I'm glad to hear from you.You asked me something about how to make friends.In my opinion,you can make friends in the following principles.First of all,you must be friendly to others if you want to make f...Dear Dale,I'm glad to hear from you.You asked me something about how to make friends.In my opinion,you can make friends in the following principles.First of all,you must be friendly to others if you want to make friends with them.Everyone can be in trouble,so at any time,you should be friendly to others.In this way,you will have a lot of friends.展开更多
Infections frequently occur after skin injuries,posing a significant challenge in current clinical care.Frequently changing dressings to minimize wound infections and adhesions results in large amounts of medical wast...Infections frequently occur after skin injuries,posing a significant challenge in current clinical care.Frequently changing dressings to minimize wound infections and adhesions results in large amounts of medical waste.Therefore,developing environmentally friendly multifunctional dressings has considerable application and translational significance.This study aimed to prepare a wound dressing with favorable antimicrobial properties and biosafety by grafting a natural antimicrobial peptide,polylysine,onto a traditional cotton textile dressing.The cotton textile dressing offers excellent moisture absorption and softness,while polylysine provides excellent biocompatibility,a broad antimicrobial spectrum,and high stability.Furthermore,both materials are natural and biodegradable,making them ideal for environmentally friendly wound dressings.展开更多
This study explored the factors influencing cooperative innovation in environmentally friendly agricultural biotechnology in China.First,we constructed an evolutionary game model comprising the factors of net income o...This study explored the factors influencing cooperative innovation in environmentally friendly agricultural biotechnology in China.First,we constructed an evolutionary game model comprising the factors of net income of cooperative innovation,net income of independent innovation,market constraints,and government subsidies.Using MATLAB simulation,we assigned different values to the aforementioned variables to explore the evolutionary trend of innovators’willingness to cooperate.Results showed that when the values of net income of cooperative innovation,net income of independent innovation,market constraints,and government subsidies exceeded the threshold,innovators’willingness to cooperate was significantly enhanced.Furthermore,the proportion of innovators who cooperated with others gradually increased to 100%;otherwise,it gradually decreased to 0%.Comparing the simulation curve with the real evolution curve of cooperative innovation in agricultural biotechnology in China,we found that the gradual decline in the willingness to cooperate could be due to insufficient subsidies for cooperative innovation,low income from cooperative innovation,weak profitability of innovators,and weak market constraints.展开更多
With the continuous promotion of the construction of child friendly cities,the school commuting space is an important component of the construction of child friendly roads.Based on the background of child friendly cit...With the continuous promotion of the construction of child friendly cities,the school commuting space is an important component of the construction of child friendly roads.Based on the background of child friendly cities,the commuting space of 11 primary and secondary schools in Bajiao Street is analyzed through literature analysis and field research methods.Firstly,the relevant literature on school commuting space is sorted out,and the characteristics of school commuting space are summarized,including transportation,landscape,culture,leisure,and security.Secondly,the characteristics of commuting space of primary and secondary schools in Bajiao Street are analyzed from three aspects:in front of the school gate,path space,and node space.This paper aims to provide reference and guidance for the future construction of children’s walking school commuting and promote the construction of a child friendly city.展开更多
FROM May 5 to 10,Chinese President Xi Jinping paid state visits to France,Serbia,and Hungary.Being his first European trip in about five years,it consolidated China’s relationships with the three countries and Europe...FROM May 5 to 10,Chinese President Xi Jinping paid state visits to France,Serbia,and Hungary.Being his first European trip in about five years,it consolidated China’s relationships with the three countries and Europe as a whole.The four states looked back on the history of their friendships,signed multiple cooperation agreements,and reached a consensus on promoting stable and sound development of China-Europe relations.Great Minds Think Alike Upon his arrival in Paris on May 5,President Xi Jinping received a warm welcome in Chinese from Gabriel Attal,France’s youngest ever modern prime minister.展开更多
Everyone likes having friends.But which is better,real-life friends or online friends?In real life,you can hang out with friends and experience things together in person.You get to know many things about them.You can ...Everyone likes having friends.But which is better,real-life friends or online friends?In real life,you can hang out with friends and experience things together in person.You get to know many things about them.You can share your true feelings and build a deeper friendship with them.展开更多
Liu Mingshan is my good friend. She is a middle school student. She has interesting school life. She goes to school at 6:00 a.m. Her classes finish at 6:00 p.m. She has much classes. They are Chinese, math, English, s...Liu Mingshan is my good friend. She is a middle school student. She has interesting school life. She goes to school at 6:00 a.m. Her classes finish at 6:00 p.m. She has much classes. They are Chinese, math, English, science,music, art and P.E. Her favorite subject is English. She thinks it is easy.展开更多
文摘Kong Weili is my classmate and she is my good friend,either①•She is thirteen years old this year.She isn’t very tall,and her eyes,nose and mouth are very small,but I think she looks very beautiful.
文摘A good friend is like a gentle breeze that blows away your gloomy mood,a beam of sunshine that warms your heart,and a guiding light that accompanies you on your journey.A true friend brings you comfort,joy,and encouragement.
文摘Do you like animals?Animals are cute.Some people like loyal dogs,some like adorable cats,and others prefer fluffy bunnies.But my favorite animals are naughty hamsters because they are full of energy.With just a little food and water,they can thrive.Plus,they are really affordable,unlike cats and dogs that can cost several hundred or even over a thousand yuan.
文摘I have a best friend・His name is Li Xuan・We live in the same neighborhood and go to the same school.Li Xuan is a kind and clever boy.He always smiles and is ready to help others.One day,I had a problem with my math homework and I was very worried.
文摘Jiang Shaohong is my best friend.He is 14years old and he is in Class 1,Grade 8.He is clever and can learn things quickly.He works hard at all his subjects.He has many hobbies,such as reading,singing,dancing,and playing sports.He loves animals,so he keeps a small dog as a pet and takes good care of it at home.He is kind and helpful.He often helps his classmates with their studies.
文摘Sally Rooney,a young Irish writer,has been dubbed“the first great novelist of the millennial generation”.Conversations with Friends,her first work,demonstrates amazing insight and subtle expression as she explores a wide range of realistic issues such as modern intimacy,class injustice,and politics,all while depicting the complex interaction between two college girls and a celebrity couple from Dublin.This paper will use psychoanalytic viewpoints from scholars such as Freud,Garland,and Kaufman to examine the trauma and shame experienced by the heroine Frances,as well as the possibilities and ways in which adults can heal the trauma.Rooney completes the trauma narrative of modern people by portraying the life and feelings of Frances,a normal modern youth.
基金funded by the Technostart competition,Agreement No.12-22(2-22)dated 01 February 2022.
文摘This article presents research focused on developing and scientifically substantiating a technology for producing environmentally friendly glued structures fromwood treated through a two-stage process.Themethodology involves preliminary thermal modification followed by high-frequency low-temperature plasma treatment.Thermal modification enhances performance characteristics such as resistance to rot,lowers hygroscopicity,and increases dimensional stability.However,it can diminish the adhesive properties of wood,complicating the bonding process.To address this challenge,the study introduces high-frequency low-temperature plasma treatment,which activates the wood surface,improving wettability and adhesion while minimizing glue consumption.Experimental results indicate that plasma treatment reduces the contact angle by 46%and adhesive consumption during bonding by 24%,thereby enhancing the environmental friendliness of the glued structures.Furthermore,this dual treatment process increases the shear strength of adhesive joints by 22.7%and bending strength of glued beams by 66.6%,demonstrating a 30%lower carbon footprint compared to conventional methods.The findings affirm the efficacy of this technology in producing building materials,particularly glued beams for large-span structures.
基金Thanks are given to Hebei Province Innovation Capacity Enhancement Programme Project(23560301D)the Natural Science Foundation of Hebei Province(E2024105036)the Tangshan Talent Funding Project(B202302007).
文摘Accurate assessment of blast furnace conditions is a crucial component in the blast furnace control decision-making process.However,most adversarial models in the field currently update the parameters of the label predictor by minimising the objective function while maximising the objective function to update the domain discriminator's parameters.This strategy results in an excessive maximisation of the domain discriminator's loss.To address this,a friendly adversarial training-based tri-training furnace condition diagnosis model was proposed.This model employed a convolutional neural network-long short-term memory-attention mechanism network as a single-view feature extractor and used decision tree methods as three classifiers to compute the cosine similarity between features and representative vectors of each class.During the knowledge transfer process,the classifiers in this model have a specific goal;they not only seek to maximise the entropy of the target domain samples but also aim to minimise the entropy of the target domain samples when they are misclassified,thus resolving the trade-off in traditional models where robustness is improved at the expense of accuracy.Experimental results indicate that the diagnostic accuracy of this model reaches 96%,with an approximately 8%improvement over existing methods due to the inner optimisation approach.This model provides an effective and feasible solution for the efficient monitoring and diagnosis of blast furnace processes.
文摘During the 2025 Beijing Digital Economy Experience Week from 27 June to 5 July,interactive projects combining technology and culture-illustrated books created by voice AI,augmented reality tours,and markerless motion capture-attracted many visitors.“More than a dozen themed areas offered the opportunity to dive into new worlds and discover the latest innovations from more than 50 companies,”Lu Yumin,a Beijing resident who visited the event,told ChinAfrica.
文摘As "PFC Free" becomes a standard feature for more and more outdoor brands,environmental protection is no longer a distant slogan,but has become a necessary choice in consumer decision-making.When labels‘PFC free’are attached to products,we cannot help but ask:Where will the next environmental revolution occur?
文摘In this research,the antibacterial properties of a composite material prepared from agave bagasse cellulose fibers doped with silver nanoparticles and chitosan were studied.The development of composite materials with antibacterial properties and environmentally friendly based on cellulose fibers from agave bagasse with silver nanoparticles prepared by green synthesis and chitosan from shrimp waste enhances the value of these agro-industrial wastes and offers the opportunity for them to have biomedical applications since these raw materials have been poorly reported for this application.The antibacterial properties of chitosan and silver nanoparticles are already known.However,the combination of silver nanoparticles with cellulose fibers and chitosan has been studied poorly.Green synthesis of silver nanoparticles was carried out,and spherical shape nanoparticles with a size between 20 and 50 nm were obtained by ultraviolet-visible(UV-Vis)spectroscopy and transmission electron microscopy(TEM)analysis.Additionally,in this research,the cellulose obtained from agave bagasse,the chitosan extracted from shrimp shells,and the composite material were characterized by infrared spectroscopy,mechanical analysis,and antibacterial tests.A decrease in the growth of Escherichia coli bacteria with 100%growth inhibition on cellulose,chitosan,and silver nanoparticles composite material and an increase in mechanical properties from 13.67 MPa of cellulose pure to 110 MPa of composite material was observed.These findings support the idea that the composite material has potential use in wound care dressings for antibacterial care.
文摘From globally popular video game Black Myth:Wukong,which has garnered a dedicated player base around the world,to DeepSeek,an artificial intelligence(AI)model developed at an impressively low cost that rivals U.S.company OpenAI’s ChatGPT,and the perfectly synchronized robotic ensemble performing with precision at this year’s China Central Television Spring Festival Gala,a Chinese New Year’s Eve extravaganza that aired on January 28-these big tech breakthroughs have risen to prominence one after another,generating massive buzz.
文摘Dear Dale,I'm glad to hear from you.You asked me something about how to make friends.In my opinion,you can make friends in the following principles.First of all,you must be friendly to others if you want to make friends with them.Everyone can be in trouble,so at any time,you should be friendly to others.In this way,you will have a lot of friends.
基金supported by the National Natural Science Foundation of China(Nos.82370977,52073186)Medical Science and Technology Project of Sichuan Provincial Health Commission(No.21PJ059)+2 种基金Science and Technology Application Fundamental Project of Sichuan Province(No.2022YFS0124)Funding for Distinguished Young Scholars of Sichuan Province(No.23NSFJQ0001)Strategic Cooperation Projects of Yi Bin City and Sichuan University(No.2020CDYB-6)。
文摘Infections frequently occur after skin injuries,posing a significant challenge in current clinical care.Frequently changing dressings to minimize wound infections and adhesions results in large amounts of medical waste.Therefore,developing environmentally friendly multifunctional dressings has considerable application and translational significance.This study aimed to prepare a wound dressing with favorable antimicrobial properties and biosafety by grafting a natural antimicrobial peptide,polylysine,onto a traditional cotton textile dressing.The cotton textile dressing offers excellent moisture absorption and softness,while polylysine provides excellent biocompatibility,a broad antimicrobial spectrum,and high stability.Furthermore,both materials are natural and biodegradable,making them ideal for environmentally friendly wound dressings.
基金funded by National Social Science Fund the Evolution of Japan’s Food Security Policy and Its Enlightenment to China[Grant No.22CSS016].
文摘This study explored the factors influencing cooperative innovation in environmentally friendly agricultural biotechnology in China.First,we constructed an evolutionary game model comprising the factors of net income of cooperative innovation,net income of independent innovation,market constraints,and government subsidies.Using MATLAB simulation,we assigned different values to the aforementioned variables to explore the evolutionary trend of innovators’willingness to cooperate.Results showed that when the values of net income of cooperative innovation,net income of independent innovation,market constraints,and government subsidies exceeded the threshold,innovators’willingness to cooperate was significantly enhanced.Furthermore,the proportion of innovators who cooperated with others gradually increased to 100%;otherwise,it gradually decreased to 0%.Comparing the simulation curve with the real evolution curve of cooperative innovation in agricultural biotechnology in China,we found that the gradual decline in the willingness to cooperate could be due to insufficient subsidies for cooperative innovation,low income from cooperative innovation,weak profitability of innovators,and weak market constraints.
基金National Natural Science Foundation of China(51708004)Beijing Youth Teaching Elite Team Construction Project(108051360023XN261)North China University of Technology Yuyou Talent Training Program(215051360020XN160/009).
文摘With the continuous promotion of the construction of child friendly cities,the school commuting space is an important component of the construction of child friendly roads.Based on the background of child friendly cities,the commuting space of 11 primary and secondary schools in Bajiao Street is analyzed through literature analysis and field research methods.Firstly,the relevant literature on school commuting space is sorted out,and the characteristics of school commuting space are summarized,including transportation,landscape,culture,leisure,and security.Secondly,the characteristics of commuting space of primary and secondary schools in Bajiao Street are analyzed from three aspects:in front of the school gate,path space,and node space.This paper aims to provide reference and guidance for the future construction of children’s walking school commuting and promote the construction of a child friendly city.
文摘FROM May 5 to 10,Chinese President Xi Jinping paid state visits to France,Serbia,and Hungary.Being his first European trip in about five years,it consolidated China’s relationships with the three countries and Europe as a whole.The four states looked back on the history of their friendships,signed multiple cooperation agreements,and reached a consensus on promoting stable and sound development of China-Europe relations.Great Minds Think Alike Upon his arrival in Paris on May 5,President Xi Jinping received a warm welcome in Chinese from Gabriel Attal,France’s youngest ever modern prime minister.
文摘Everyone likes having friends.But which is better,real-life friends or online friends?In real life,you can hang out with friends and experience things together in person.You get to know many things about them.You can share your true feelings and build a deeper friendship with them.
文摘Liu Mingshan is my good friend. She is a middle school student. She has interesting school life. She goes to school at 6:00 a.m. Her classes finish at 6:00 p.m. She has much classes. They are Chinese, math, English, science,music, art and P.E. Her favorite subject is English. She thinks it is easy.
