In order to better promote the development of the Cordyceps militaris industry,the C.militaris cultivation device was optimized.Multiple layers of bearing plates are arranged on a support frame,and six cultivation box...In order to better promote the development of the Cordyceps militaris industry,the C.militaris cultivation device was optimized.Multiple layers of bearing plates are arranged on a support frame,and six cultivation boxes are placed on each layer of bearing plate.The optimized device improves the cultivation method of C.militaris,improves the space utilization rate,and can greatly increase the output of C.militaris.Meanwhile,combining with local special R.roxburghii in Guizhou,a C.militaris and R.roxburghii compound drink were developed,which extends the industrial chain of C.militaris,which meets the current social needs and has good market prospects.The research results can promote rural industrial revolution and further help the revitalization of rural industries.展开更多
This study uses paradata and survey data from the China Family Dynamic Survey to analyze the issue of response time in a questionnaire survey.The survey questions were classified into three levels and we compared the ...This study uses paradata and survey data from the China Family Dynamic Survey to analyze the issue of response time in a questionnaire survey.The survey questions were classified into three levels and we compared the inter-group differences of response time between four kinds of questions which included information inquiries,logical calculations,intimate information and logical judgments.We used OLS method to perform a regression analysis to identify the impediments to response time and discussed the roles played by the survey locale,and the characteristics of interviewees and those of interviewers.The major impediments that prolonged response time were factors that impeded comprehension of the survey.The impediments included the difficulties interviewees had understanding questions,questions that did not take into account the different cultural backgrounds of interviewees,the complexity of questionnaires,and the performance of interviewers.Finally,this paper puts forward some suggestions for questionnaire design and investigation processes to reduce impediments to comprehension and improve the ability of interviewers.展开更多
基金Supported by Guizhou Provincial Education Department Youth Science and Technology Talent Growth Project(QJH KY Z[2018]314)Zunyi City-School Joint Science and Technology R&D Fund Project(ZSKH HZ Z[2020]12)+2 种基金Zunyi Normal University Scientific Research Project-Serving Rural Industrial Revolution(ZSHNCCYZ 201912)Zunyi Normal University Scientific Research Project-Serving Rural Industrial Revolution(ZSHDFCYZ[2020]10)Guizhou Provincial Education Department Colleges and Universities Scientific Research Project-Serving Rural Industrial Revolution(2018-91).
文摘In order to better promote the development of the Cordyceps militaris industry,the C.militaris cultivation device was optimized.Multiple layers of bearing plates are arranged on a support frame,and six cultivation boxes are placed on each layer of bearing plate.The optimized device improves the cultivation method of C.militaris,improves the space utilization rate,and can greatly increase the output of C.militaris.Meanwhile,combining with local special R.roxburghii in Guizhou,a C.militaris and R.roxburghii compound drink were developed,which extends the industrial chain of C.militaris,which meets the current social needs and has good market prospects.The research results can promote rural industrial revolution and further help the revitalization of rural industries.
基金funded by the China Social Science Foundation(Grant 16ZDA089)-Construction of China’s population data platform(1949-2015).
文摘This study uses paradata and survey data from the China Family Dynamic Survey to analyze the issue of response time in a questionnaire survey.The survey questions were classified into three levels and we compared the inter-group differences of response time between four kinds of questions which included information inquiries,logical calculations,intimate information and logical judgments.We used OLS method to perform a regression analysis to identify the impediments to response time and discussed the roles played by the survey locale,and the characteristics of interviewees and those of interviewers.The major impediments that prolonged response time were factors that impeded comprehension of the survey.The impediments included the difficulties interviewees had understanding questions,questions that did not take into account the different cultural backgrounds of interviewees,the complexity of questionnaires,and the performance of interviewers.Finally,this paper puts forward some suggestions for questionnaire design and investigation processes to reduce impediments to comprehension and improve the ability of interviewers.
