Based on the coherent feedforward transcription regulation loops in somatic cell reprogramming process, a stochastic kinetic model is proposed to study the intrinsic fluctuations in the somatic cell reprogramming. The...Based on the coherent feedforward transcription regulation loops in somatic cell reprogramming process, a stochastic kinetic model is proposed to study the intrinsic fluctuations in the somatic cell reprogramming. The Fano factor formulas of key genes expression level in the coherent feedforward transcription regulation loops are derived by using of Langevin theory. It is found that the internal fluctuations of gene expression levels mainly depend on itself activation ratio and degradation ratio. When the self-activation ratio(or self-degradation ratio) is increased, the Fano factor increases reaches a maximum and then decreases. The susceptibility is used to measure the sensitivity of steady-state response to the variation in systemic parameters. It is found that with the increase of the self-activation ratio(or self-degradation ratio), the susceptibility of steady-state increases at first, it reaches a maximum, and it then decreases. The magnitude of the maximum is increased with the increase of activated ratio by the upstream transcription factor.展开更多
This study aimed to investigate the link between the exposure to intimate partner violence(IPV),core self-evaluations(CSE),and psychological adaptation of Chinese adolescents,through analysis of the results from the S...This study aimed to investigate the link between the exposure to intimate partner violence(IPV),core self-evaluations(CSE),and psychological adaptation of Chinese adolescents,through analysis of the results from the Survey of Children’s Exposure to Domestic Violence Scale,Core Self-Evaluations Scale,and Strengths and Difficulties Questionnaire,involving a total of 597 Chinese middle school students.It is indicated that the exposure to IPV is positively correlated with lower levels of psychological adaptation and CSE,and CSE is positively correlated with higher levels of psychological adaptation.Mediation analysis revealed that CSE partially mediated the association between the exposure to IPV and psychological adaptation.These results suggest that educators and parents should help adolescents tackle their emotional and behavioral problems by reducing the risk of IPV exposure and increasing their CSE.展开更多
In the era of " Internet + ",the " Internet + tourism" comes into being,bringing unlimited development space and more possibilities to the traditional travel agency industry. Under the dual influen...In the era of " Internet + ",the " Internet + tourism" comes into being,bringing unlimited development space and more possibilities to the traditional travel agency industry. Under the dual influence of development and impact,travel agencies start to take the road of transformation. Taking Hubei Comfort International Travel Service Co.,Ltd. as an example,this paper analyzed and evaluated the current situations of Internet based transformation and upgrade,and came up with some pertinent recommendations.展开更多
Economic growth affects natural resources and the environment directly and indirectly;however,the exact role that natural resources play in environmental sustainability remains unknown.This paper revisits the relation...Economic growth affects natural resources and the environment directly and indirectly;however,the exact role that natural resources play in environmental sustainability remains unknown.This paper revisits the relationship between natural resources and CO_(2)emissions by considering the role of green finance vis-à-vis the aggregated and disaggregated analysis.Empirical panel data estimation analyzes a sample of emerging countries over the 2001-2019 period using the recently developed econometric cross-sectional auto-regressive distributed lag(CS-ARDL)technique.The findings show that natural resource components(natural gas,mineral rent,oil rent,and coal rent)are negatively associated with environmental pollution.In contrast,overall natural resource consumption helps reduce carbon emissions.However,we find that green finance contributes to carbon emission reduction.In contrast,education causes pollution by contributing to carbon emissions.We offer policy recommendations about the effectiveness of green financing for the sustainable use of natural resources in diminishing pollution.展开更多
CoSbS-based compounds are good thermoelectric materials with low thermal conductivity and good electrical properties,which can effectively be used to improve the efficiency of many thermoelectric conversion processes....CoSbS-based compounds are good thermoelectric materials with low thermal conductivity and good electrical properties,which can effectively be used to improve the efficiency of many thermoelectric conversion processes.In order to improve their properties even more,in this study a series of experiments have been conducted in the frame of the traditional solid-phase synthesis and high-pressure method.It is shown that if the mass fluctuation and stress fluctuation in the considered CoSbS system increase,the scattering probability of phonons is enhanced and the lattice thermal conductivity of the material is reduced.Adding a small amount of Se can simultaneously optimize three thermoelectric properties,i.e.,the Seebeck coefficient is improved,the thermal conductivity becomes smaller and the quality factor grows.At the same time,the thermal and electrical properties of bulk materials can be optimized by using nano-scale Ni doped CoSbS samples.As shown by the experiments,Nidoped Co sites can effectively improve the carrier concentration,the effective mass of the density of states of the material,and the power factor.Under the same temperature conditions,the thermoelectric figure of merit(ZT)of Co1−yNiySbS1−xSex synthesized under high pressure,at x=0.15,y=0.1 is much higher than the corresponding value for CoSbS prepared by traditional methods.展开更多
Tourism has become an important part of China's tertiary industry. Tourism for poverty alleviation has also become an important means of poverty alleviation. In China,most of the poverty-stricken areas still keep ...Tourism has become an important part of China's tertiary industry. Tourism for poverty alleviation has also become an important means of poverty alleviation. In China,most of the poverty-stricken areas still keep relatively intact natural and human landscapes which have high tourism development value. Through SWOT analysis,the model of tourism for poverty alleviation in Danjiangkou City was studied,to provide both theoretical and practical support for the local tourism for poverty alleviation.展开更多
The course of Introduction to the MICE Industry is a foundation course for colleges and universities. Targeting undergraduate colleges and universities to train high-quality applied talents that meet the needs of soci...The course of Introduction to the MICE Industry is a foundation course for colleges and universities. Targeting undergraduate colleges and universities to train high-quality applied talents that meet the needs of society,it is of great practical significance to reform the teaching methods of this course. Reform practice was carried out from classroom teaching methods,extracurricular training and curriculum evaluation,increasing students' interest in learning,cultivating students' ability to practice innovation and continuously improving the quality of personnel training.展开更多
Based on the concept of outcome-based education (OBE) and the existing OBE training mode, this paper puts forward the training mode of "three-quality talents" as a supplement. This mode effectively helps Chi...Based on the concept of outcome-based education (OBE) and the existing OBE training mode, this paper puts forward the training mode of "three-quality talents" as a supplement. This mode effectively helps Chinese application-oriented colleges and universities to improve the training quality of application-oriented talents, is an effective way to train application-oriented undergraduate professionals, and has a certain promotion and application value.展开更多
This paper proposes the research on human body behavior recognition based on vision. Behavior based on high-level human structure can describe behavior more accurately, but it is dif？ cult to extract the behavioral c...This paper proposes the research on human body behavior recognition based on vision. Behavior based on high-level human structure can describe behavior more accurately, but it is dif？ cult to extract the behavioral characteristics while often relying on the accuracy of the human pose estimation. Moving object extraction of the moving targets in video analysis as the main content, research based on the image sequence robust, fast moving target extraction, motion estimation and target description algorithm, and the correlation between motion detection is to use frame, frame by comparing the difference between for change and not change area. The model is proposed based on the probability theory, and the future research will be focused on the simulation.展开更多
Lodging is a common problemin rice,reducing its yield andmechanical harvesting efficiency.Rice architecture is a key aspect of its domestication and a major factor that limits its high productivity.The ideal rice culm...Lodging is a common problemin rice,reducing its yield andmechanical harvesting efficiency.Rice architecture is a key aspect of its domestication and a major factor that limits its high productivity.The ideal rice culm structure,includingmajor_axis_culm,minor axis_culm,andwall thickness_culm,is critical for improving lodging resistance.However,the traditionalmethod ofmeasuring rice culms is destructive,time consuming,and labor intensive.In this study,we used a high-throughput micro-CT-RGB imaging system and deep learning(SegNet)todevelopa high-throughputmicro-CTimageanalysis pipelinethatcanextract 24 riceculmmorphological traits and lodging resistance-related traits.When manual and automatic measurements were compared at themature stage,the mean absolute percentage errors for major_axis_culm,minor_axis_culm,andwall_thickness_culmin 104 indica rice accessionswere 6.03%,5.60%,and 9.85%,respectively,and the R^(2) valueswere 0.799,0.818,and 0.623.We also builtmodels of bending stress using culmtraits at the mature and tillering stages,and the R^(2) values were 0.722 and 0.544,respectively.The modeling results indicated that this method can quantify lodging resistance nondestructively,even at an early growth stage.In addition,we also evaluated the relationships of bending stress toshoot dryweight,culm density,and drought-related traits and found that plants with greater resistance to bending stress had slightly higher biomass,culm density,and culm area but poorer drought resistance.In conclusion,we developed a deep learning-integrated micro-CT image analysis pipeline to accurately quantify the phenotypic traits of rice culms in4.6 min per plant;this pipeline will assist in future high-throughput screening of large rice populations for lodging resistance.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11775091 and 11474117)
文摘Based on the coherent feedforward transcription regulation loops in somatic cell reprogramming process, a stochastic kinetic model is proposed to study the intrinsic fluctuations in the somatic cell reprogramming. The Fano factor formulas of key genes expression level in the coherent feedforward transcription regulation loops are derived by using of Langevin theory. It is found that the internal fluctuations of gene expression levels mainly depend on itself activation ratio and degradation ratio. When the self-activation ratio(or self-degradation ratio) is increased, the Fano factor increases reaches a maximum and then decreases. The susceptibility is used to measure the sensitivity of steady-state response to the variation in systemic parameters. It is found that with the increase of the self-activation ratio(or self-degradation ratio), the susceptibility of steady-state increases at first, it reaches a maximum, and it then decreases. The magnitude of the maximum is increased with the increase of activated ratio by the upstream transcription factor.
基金funded by China’s National Social Science Fund,“The effect of community violence exposure on middle school students’social adjustment and its intervention countermeasures”(16BSH102).
文摘This study aimed to investigate the link between the exposure to intimate partner violence(IPV),core self-evaluations(CSE),and psychological adaptation of Chinese adolescents,through analysis of the results from the Survey of Children’s Exposure to Domestic Violence Scale,Core Self-Evaluations Scale,and Strengths and Difficulties Questionnaire,involving a total of 597 Chinese middle school students.It is indicated that the exposure to IPV is positively correlated with lower levels of psychological adaptation and CSE,and CSE is positively correlated with higher levels of psychological adaptation.Mediation analysis revealed that CSE partially mediated the association between the exposure to IPV and psychological adaptation.These results suggest that educators and parents should help adolescents tackle their emotional and behavioral problems by reducing the risk of IPV exposure and increasing their CSE.
基金Supported by Empirical Study on Transformation of Travel Agencies in the Era of Internet--A Case Study of Hubei Comfort International Travel Service Co.,Ltd.(A2017004)
文摘In the era of " Internet + ",the " Internet + tourism" comes into being,bringing unlimited development space and more possibilities to the traditional travel agency industry. Under the dual influence of development and impact,travel agencies start to take the road of transformation. Taking Hubei Comfort International Travel Service Co.,Ltd. as an example,this paper analyzed and evaluated the current situations of Internet based transformation and upgrade,and came up with some pertinent recommendations.
基金supported by funding from the Wuhan Technology and Business University Doctoral Research Fund Project[Grant No.D2024007].
文摘Economic growth affects natural resources and the environment directly and indirectly;however,the exact role that natural resources play in environmental sustainability remains unknown.This paper revisits the relationship between natural resources and CO_(2)emissions by considering the role of green finance vis-à-vis the aggregated and disaggregated analysis.Empirical panel data estimation analyzes a sample of emerging countries over the 2001-2019 period using the recently developed econometric cross-sectional auto-regressive distributed lag(CS-ARDL)technique.The findings show that natural resource components(natural gas,mineral rent,oil rent,and coal rent)are negatively associated with environmental pollution.In contrast,overall natural resource consumption helps reduce carbon emissions.However,we find that green finance contributes to carbon emission reduction.In contrast,education causes pollution by contributing to carbon emissions.We offer policy recommendations about the effectiveness of green financing for the sustainable use of natural resources in diminishing pollution.
基金This study greatly thanks to the support of Wuhan Technology and Business University,thanks to the research project from Natural Science Foundation of Hubei Province 2019.The item number is 2019CFC922.
文摘CoSbS-based compounds are good thermoelectric materials with low thermal conductivity and good electrical properties,which can effectively be used to improve the efficiency of many thermoelectric conversion processes.In order to improve their properties even more,in this study a series of experiments have been conducted in the frame of the traditional solid-phase synthesis and high-pressure method.It is shown that if the mass fluctuation and stress fluctuation in the considered CoSbS system increase,the scattering probability of phonons is enhanced and the lattice thermal conductivity of the material is reduced.Adding a small amount of Se can simultaneously optimize three thermoelectric properties,i.e.,the Seebeck coefficient is improved,the thermal conductivity becomes smaller and the quality factor grows.At the same time,the thermal and electrical properties of bulk materials can be optimized by using nano-scale Ni doped CoSbS samples.As shown by the experiments,Nidoped Co sites can effectively improve the carrier concentration,the effective mass of the density of states of the material,and the power factor.Under the same temperature conditions,the thermoelectric figure of merit(ZT)of Co1−yNiySbS1−xSex synthesized under high pressure,at x=0.15,y=0.1 is much higher than the corresponding value for CoSbS prepared by traditional methods.
文摘Tourism has become an important part of China's tertiary industry. Tourism for poverty alleviation has also become an important means of poverty alleviation. In China,most of the poverty-stricken areas still keep relatively intact natural and human landscapes which have high tourism development value. Through SWOT analysis,the model of tourism for poverty alleviation in Danjiangkou City was studied,to provide both theoretical and practical support for the local tourism for poverty alleviation.
文摘The course of Introduction to the MICE Industry is a foundation course for colleges and universities. Targeting undergraduate colleges and universities to train high-quality applied talents that meet the needs of society,it is of great practical significance to reform the teaching methods of this course. Reform practice was carried out from classroom teaching methods,extracurricular training and curriculum evaluation,increasing students' interest in learning,cultivating students' ability to practice innovation and continuously improving the quality of personnel training.
基金Supported by Innovative Research on the Training Mode of‘Three-Quality Talents’in Local Application-oriented Universities in the Context of Digital Economy (2021GA078).
文摘Based on the concept of outcome-based education (OBE) and the existing OBE training mode, this paper puts forward the training mode of "three-quality talents" as a supplement. This mode effectively helps Chinese application-oriented colleges and universities to improve the training quality of application-oriented talents, is an effective way to train application-oriented undergraduate professionals, and has a certain promotion and application value.
文摘This paper proposes the research on human body behavior recognition based on vision. Behavior based on high-level human structure can describe behavior more accurately, but it is dif？ cult to extract the behavioral characteristics while often relying on the accuracy of the human pose estimation. Moving object extraction of the moving targets in video analysis as the main content, research based on the image sequence robust, fast moving target extraction, motion estimation and target description algorithm, and the correlation between motion detection is to use frame, frame by comparing the difference between for change and not change area. The model is proposed based on the probability theory, and the future research will be focused on the simulation.
基金supported by grants from the National Key Research and Development Program(2020YFD1000904-1-3)the National Natural Science Foundation of China(31770397)+1 种基金the Fundamental Research Funds for the Central Universities(2662020ZKPY017)supported by the Biotechnology and Biological Sciences Research Council(BB/J004464/1,BB/CAP1730/1,BB/CSP1730/1,and BB/R02118X/1).
文摘Lodging is a common problemin rice,reducing its yield andmechanical harvesting efficiency.Rice architecture is a key aspect of its domestication and a major factor that limits its high productivity.The ideal rice culm structure,includingmajor_axis_culm,minor axis_culm,andwall thickness_culm,is critical for improving lodging resistance.However,the traditionalmethod ofmeasuring rice culms is destructive,time consuming,and labor intensive.In this study,we used a high-throughput micro-CT-RGB imaging system and deep learning(SegNet)todevelopa high-throughputmicro-CTimageanalysis pipelinethatcanextract 24 riceculmmorphological traits and lodging resistance-related traits.When manual and automatic measurements were compared at themature stage,the mean absolute percentage errors for major_axis_culm,minor_axis_culm,andwall_thickness_culmin 104 indica rice accessionswere 6.03%,5.60%,and 9.85%,respectively,and the R^(2) valueswere 0.799,0.818,and 0.623.We also builtmodels of bending stress using culmtraits at the mature and tillering stages,and the R^(2) values were 0.722 and 0.544,respectively.The modeling results indicated that this method can quantify lodging resistance nondestructively,even at an early growth stage.In addition,we also evaluated the relationships of bending stress toshoot dryweight,culm density,and drought-related traits and found that plants with greater resistance to bending stress had slightly higher biomass,culm density,and culm area but poorer drought resistance.In conclusion,we developed a deep learning-integrated micro-CT image analysis pipeline to accurately quantify the phenotypic traits of rice culms in4.6 min per plant;this pipeline will assist in future high-throughput screening of large rice populations for lodging resistance.
