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Ophthalmic exam and ophthalmology residents’ subspecialty preference
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作者 Ari Leshno Daf Shalev Daphna Landau Prat 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2024年第2期359-364,共6页
AIM:To evaluate residents’perceptions and attitudes toward the various aspects of a comprehensive ophthalmic examination,and to determine if these factors correlate with their choices for fellowship and future career... AIM:To evaluate residents’perceptions and attitudes toward the various aspects of a comprehensive ophthalmic examination,and to determine if these factors correlate with their choices for fellowship and future career plans.METHODS:This is a cross-sectional study.A questionnaire on the perception of the ophthalmic exam was sent via SurveyMonkey to ophthalmology residents throughout Israel.Eighty of them(one-half of all ophthalmology residents in 2019)completed it.The first part related to how they perceived each component of the ophthalmic evaluation.The second part related to their future fellowship plans.The Chi-squared test was used to compare categorical variables and Student’s t-test and One-way ANOVA were used to compare continuous variables.Multivariate logistic regression analysis was applied as needed to detect interactions between variables and to exclude confounder effects.RESULTS:Slit-lamp examination of the anterior and posterior segments ranked as the most likeable aspects,whereas gonioscopy,ocular motility examination and visual acuity assessment were least likeable.Anterior segment and retina subspecialties were the ones most sought after.Forty-nine respondents(61.3%)noted a direct correlation between their preferred parts of comprehensive ophthalmic evaluations and their choice of subspecialty.Perceptions of selected components of those evaluations were significantly associated with responders’intentions to pursue anterior segment,retina,or oculoplastic fellowships(P<0.05).CONCLUSION:Perspectives of residents toward the ophthalmic examination,and most specifically its individual components,play an important role in their choice of subspecialty training. 展开更多
关键词 residENCY SUBSPECIALTY ophthalmic examination career choice OPHTHALMOLOGY
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Urban Residents' Consumption Risk Perception about the Dairy Products 被引量:1
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作者 Xiaoxia DONG Zhemin LI +1 位作者 Shiwei XU Chao ZHANG 《Asian Agricultural Research》 2016年第1期61-66,共6页
Based on the continuous downturn puzzle of Chinese dairy consumption,with the perception of consumption risk as a starting point,the paper deeply analyzes the main factors which cause the downturn of dairy product con... Based on the continuous downturn puzzle of Chinese dairy consumption,with the perception of consumption risk as a starting point,the paper deeply analyzes the main factors which cause the downturn of dairy product consumption of Chinese residents. The results show that the income elasticity of dairy consumption of Chinese urban residents is still notable; the occurrence of dairy safety incidents improves the perception of consumption risk,and accordingly it reduces the promoting role of income to the dairy consumption; the safety incident is the key factor which leads to the fall of dairy consumption of urban residents in recent years,and the perception of consumption risk of lower income group is clearly higher than that of higher income group. 展开更多
关键词 URBAN residents RISK PERCEPTION DAIRY CONSUMPTION Safety Incidents
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Analysis of Influencing Factors on Fruit Consumption of Urban and Rural Residents in Beijing
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作者 Zihao WANG Rao CHEN Weimin YANG 《Asian Agricultural Research》 2024年第6期1-4,10,共5页
In light of the rapid expansion of China s economy,there has been a notable shift in the consumption patterns of urban and rural residents.This is evident in the increased consumption of agricultural products,with fru... In light of the rapid expansion of China s economy,there has been a notable shift in the consumption patterns of urban and rural residents.This is evident in the increased consumption of agricultural products,with fruit consumption representing a particularly pronounced trend.The 2023 Beijing Consumption Statistics indicate that demand for fruit is increasing,accompanied by heightened competition for quality and brands.The paper is based on research that examines the current situation of fruit consumption among urban and rural residents in Beijing.The results indicate that when urban and rural residents in Beijing purchase fruits,price is the most significant factor influencing fruit consumption.Taste,appearance,and variety are also considered to be important influencing factors,while the influence of factors such as fruit type,consumption pattern,and fruit brand is relatively minor. 展开更多
关键词 URBAN and RURAL residents of BEIJING FRUIT CONSUMPTION Influencing factor CONSUMPTION behavior
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Flipped classroom approach to global outreach:cross-cultural teaching of horizontal strabismus to Chinese ophthalmology residents 被引量:2
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作者 Randy Lu Ryan E Dodge Ⅲ +5 位作者 Jocelyn Lam Laura Enyedi Tammy Yanovitch Nandini Gandhi Leona Ding Michelle T Cabrera 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2023年第2期280-285,共6页
AIM:To evaluate the flipped classroom model for teaching horizontal strabismus didactics in an ophthalmology residency program in China as part of a visiting professorship from the United States.METHODS:Residents from... AIM:To evaluate the flipped classroom model for teaching horizontal strabismus didactics in an ophthalmology residency program in China as part of a visiting professorship from the United States.METHODS:Residents from an ophthalmology residency program in China were invited to participate in flipped classroom sessions taught by an experienced American ophthalmology faculty in 2018.Residents were instructed to watch a pre-class video lecture prior to the in-class-casebased activity.Content tests(5 Ophthalmic Knowledge Assessment Program style questions)and surveys were administered before and after the classroom sessions(100%response rate).These results were compared to that of an American cohort who were taught the same content.RESULTS:The Chinese cohort of 12 residents preferred the flipped classroom to the traditional classroom at higher rates than the American cohort of 40 residents(92%vs 55%,P=0.04)and felt that all ophthalmology topics would be appropriate for the flipped classroom teaching style(P-values between 0.008 and<0.001).In both Chinese and American cohorts,we found that the exotropia curriculum saw a small but significant improvement in performance following the flipped classroom session(P=0.025 for Chinese residents;P=0.001 for US residents),whereas scores in both groups for the esotropia course did not significantly improve.CONCLUSION:This is the first study to evaluate the flipped classroom model implemented by a visiting ophthalmology professor in a global outreach setting.The flipped classroom sessions are viewed favorably by the Chinese residents relative to the US cohort with a modest impact on knowledge.Decreased in-person interpreter requirement and increased student engagement make this model valuable in cross-cultural visiting professorship settings.Finally,the flipped classroom may lend itself well to a virtual format to prevent the transmission of COVID-19,although such a format requires further study. 展开更多
关键词 flipped classroom international ophthalmology residency graduate medical education China active learning medical education OPHTHALMOLOGY
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The Impact of the Digital Economy on Rural Residents’Working Hours:Mechanisms and Empirical Evidence
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作者 Peng Su Li Jing Wang Jue 《Contemporary Social Sciences》 2024年第2期34-51,共18页
The rapid development of the digital economy has provided a new impetus for rural residents to extend their working hours.Based on the data collected by the China Labor-force Dynamics Survey(CLDS)in 2014,2016,and 2018... The rapid development of the digital economy has provided a new impetus for rural residents to extend their working hours.Based on the data collected by the China Labor-force Dynamics Survey(CLDS)in 2014,2016,and 2018,this paper measured the development level of the digital economy in China from the perspectives of internet development and digital financial inclusion,and tested the mechanisms of how the digital economy affected rural residents’working hours.The results showed that the digital economy extended rural residents’working hours by expanding information channels and enhancing human capital,and this mechanism was affected by heterogeneity in rural residents’educational background,age,and social capital.Building on these findings,this paper holds that to increase rural residents’income by extending their working hours and achieving common prosperity for all,it is necessary to expand the opportunities for rural residents to participate in skills training and promote their accumulation of human capital. 展开更多
关键词 digital economy rural residents’working hours information channels human capital
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Assessment of Online Transgender Healthcare Teaching Modules for Internal Medicine Residents and Fellows
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作者 Elizabeth M. Lamos Rana Malek 《Open Journal of Internal Medicine》 2024年第2期259-268,共10页
Background: Transgender healthcare is not a formal learning requirement in Internal Medicine residency or fellowship. The National LGBTQ Task Force appealed to urgently train clinicians on the effective care of transg... Background: Transgender healthcare is not a formal learning requirement in Internal Medicine residency or fellowship. The National LGBTQ Task Force appealed to urgently train clinicians on the effective care of transgender patients. Few studies address the successful implementation of transgender healthcare teaching and education in graduate medical education. Purpose: The purpose was to design an online asynchronous curriculum to address the need for improved transgender healthcare education in graduate medical education and assess change in knowledge and comfort in transgender healthcare for residents and fellow learners. Methods: A 6-module curriculum was developed using established guidelines and ACGME competencies as a framework for content. To assess curriculum effectiveness, participants received anonymous pre- and post-curriculum surveys which included a multiple-choice knowledge assessment, Likert scale comfort questions focusing on healthcare skills, and open-ended feedback questions. Results: Twenty-six internal medicine residents and fellows participated in the curriculum (2022-2023). There was a 69% post-survey response rate. Participants improved their gender-affirming knowledge after completing the curriculum (p Conclusion: This online curriculum was successful in increasing knowledge and comfort in transgender care for IM residents and fellows. It provides a promising framework to address this gap in curricular content. 展开更多
关键词 EDUCATION Fellow residENT TRANSGENDER
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The Prediction for the Consumer Price Index of Residents in Perspective of Time Series Method in Case of Chongqing
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作者 Chunhuan Xiang 《Journal of Applied Mathematics and Physics》 2024年第1期226-233,共8页
The consumer price index (CPI) measures the relative number of changes in the price level of consumer goods and services over time, reflecting the trend and degree of changes in the price level of goods and services p... The consumer price index (CPI) measures the relative number of changes in the price level of consumer goods and services over time, reflecting the trend and degree of changes in the price level of goods and services purchased by residents. This article uses the ARMA model to analyze the fluctuation trend of the CPI (taking Chongqing as an example) and make short-term predictions. To test the predictive performance of the model, the observation values from January to December 2023 were retained as the reference object for evaluating the predictive accuracy of the model. Finally, through trial predictions of the data from May to August 2023, it was found that the constructed model had good fitting performance. 展开更多
关键词 Consumer Price Index of residents PREDICTION ARMA Model
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Application of BOPPPS + Mind Maps to Improve Clinical Competence of General Practitioner Residents: Taking Cough as an Example
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作者 Yue Wang 《Journal of Clinical and Nursing Research》 2024年第6期295-299,共5页
Objective:To analyze the importance of general practitioner residents using the combined teaching method(BOPPPS+mind maps).Methods:From September 2023 to August 2024,a study was conducted with 6 control group particip... Objective:To analyze the importance of general practitioner residents using the combined teaching method(BOPPPS+mind maps).Methods:From September 2023 to August 2024,a study was conducted with 6 control group participants receiving traditional teaching and 6 observation group participants receiving the combined teaching method(BOPPPS+mind maps).The study analyzed various indicators between the two groups(including mind map scores and assessment results).Results:Compared with the control group,the assessment scores of the observation group were significantly higher(P<0.05).Conclusion:The application of the combined teaching method(BOPPPS+mind maps)by general practitioner residents can significantly improve their comprehensive abilities. 展开更多
关键词 General practitioner residents Combined teaching BOPPPS Mind maps
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Urban Residents' Food Safety Awareness and Purchasing Decisions about Name-brand Livestock and Poultry Products: A Case Study of Beijing City
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作者 Ning ZHU Fu QIN 《Asian Agricultural Research》 2015年第4期77-80 86,86,共5页
Through the data on Beijing urban residents' purchasing decisions of the name-brand livestock and poultry products,the article analyzes consumers' food safety awareness about the name-brand livestock and poult... Through the data on Beijing urban residents' purchasing decisions of the name-brand livestock and poultry products,the article analyzes consumers' food safety awareness about the name-brand livestock and poultry products and the effects on the purchasing decisions of the name-brand livestock and poultry products. Research shows that urban residents obtain information on food safety through TV programs and newspaper and there are a great of problems in food. 55. 43% of the consumers consider that the name-brand livestock and poultry products are safer than ordinary livestock and poultry products. The result of the model shows that food safety awareness about the name-brand livestock and poultry products has dramatically affected urban residents' purchasing decisions of livestock and poultry products. The biggest effect is on the brand of eggs and pork as the major daily consumer goods. Furthermore,income and prices are still the determining factors affecting the consumers' purchasing decisions of the name-brand livestock and poultry products. And the features of livestock and poultry products( nutrition,taste) significantly affect the name-brand livestock and poultry products. 展开更多
关键词 FOOD safety AWARENESS Urban residents Name-brand p
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Exploration of the Integration of Curriculum Ideology and Politics into the Educational Pathway of Standardized Training for General Practice Residents
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作者 Zhuan Huang Yaodong Li +4 位作者 Lina Ma Rui Xu Fang Yang Yingpeng Shi Junlin Liu 《Journal of Contemporary Educational Research》 2024年第5期91-96,共6页
In recent years,the national higher education reform has proposed the concept of curriculum ideological and political education as a major element.This integration into the standardized training of general practice re... In recent years,the national higher education reform has proposed the concept of curriculum ideological and political education as a major element.This integration into the standardized training of general practice residents(commonly referred to as general resident training)is an unavoidable trend in the teaching field.Based on the actual situation of our unit at The First Affiliated Hospital of Xi’an Medical University,this paper emphasizes the necessity of incorporating ideological and political education into the general resident training curriculum,despite the absence of pertinent practical experience in how to effectively incorporate such courses into comprehensive residential training.In our hospital,we must assess the ideological and political education in the curriculum of general resident training,proposing a scientific,reasonable ideological and political education concept system for general practice courses,integrating ideological and political education with general practice resident training,and strengthening the team of ideological and political education physicians to teach them to carry out such education,this would foster enthusiasm and initiative.Strengthening admission education and training for general practice resident training,as well as regularly hosting symposiums to share ideas and understand the mission of doctors can provide effective experience for ideological and political education in general resident training courses. 展开更多
关键词 Curriculum ideological and political education General practice General practice residents Standardized training Education path EXPLORATION
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Cost Analysis of Surgical Approaches Performed by Residents for Bladder Outlet Obstruction: Laser versus Loop
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作者 Samuel H. Eaton Courtney K. Rowe +1 位作者 Mark B. DelPapa Lori B. Lerner 《Open Journal of Urology》 2012年第2期33-37,共5页
Purpose: Few studies have analyzed cost differences between holmium laser enucleation of the prostate (HoLEP) and transurethral resection of the prostate (TURP), and none as regards resident training. We compared thes... Purpose: Few studies have analyzed cost differences between holmium laser enucleation of the prostate (HoLEP) and transurethral resection of the prostate (TURP), and none as regards resident training. We compared these costs at a teaching institution with residents from two Boston programs. Methods: We reviewed all patients who underwent TURP (January 2007-August 2010) or HoLEP (April 2008-August 2010) with residents, excluding those with prostate cancer, simultaneous procedures at the same time, or prior urethral procedures. Operative approach was determined following consultation between the senior resident and the attending surgeon. Operative, postoperative, and urologic follow-up costs were captured and analyzed from day of surgery to 6 months post-operatively. Costs were calculated by the Department of Decision Support Services. Results: 38 HoLEP and 23 TURP patients met inclusion criteria. The two groups were comparable with the exception of higher ASA score and anticoagulation use in the HoLEP group. Despite a decreased hospital stay (0.42 vs. 1.25 days), total costs for HoLEP were higher than TURP ($8380.00 vs. $5861.78 p < 0.05) due to higher operative times (123 min vs. 74 min, p < 0.05), resulting in higher operative costs ($6768.14 vs. $3853.35, p < 0.05). Conclusions: HoLEP costs are higher than TURP from longer operative times and higher intraoperative costs, partly due to resident teaching. However, senior residents more often selected HoLEP for medically complex and/or anticoagulated patients. Despite resident inexperience with HoLEP, the complication rate remained low. Higher costs must be weighed against HoLEP benefits, which include less morbidity, shorter hospital stays and faster recovery times. 展开更多
关键词 HOLMIUM LASER BENIGN PROSTATIC HYPERPLASIA Cost residENT
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“There Are Many Cases That You Carry with You That Leave Scars”: Burnout and Secondary Trauma among Pediatric Residents in Routine and Covid Times
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作者 Or Kaplan Michal Kaplan +1 位作者 Rotem Shalev Michal S. Maimon 《Open Journal of Medical Psychology》 2023年第1期17-54,共38页
The current research joins previous studies in examining post-traumatic stress disorder (PTSD) and burnout among healthcare workers. The research focuses on the experiences of pediatric residents working in an emergen... The current research joins previous studies in examining post-traumatic stress disorder (PTSD) and burnout among healthcare workers. The research focuses on the experiences of pediatric residents working in an emergency department both in normal times and during the Covid pandemic. Research conducted prior to and during the Covid pandemic outbreak shows negative psychological effects among healthcare workers. Most of that research was conducted within the positivistic-quantitative paradigm. The current study is qualitative and focuses on pediatric residents who provide medical services to a unique population in a peripheral region of Israel, namely the Bedouin-Arab population. The research questions are the following: What characterizes pediatric residents’ work, in general and during the pandemic? Do they show signs of burnout and secondary trauma? How do they perceive their work with the Bedouin-Arab population, especially during the pandemic? The study, conducted within the phenomenological genre, included 14 pediatric residents in a large hospital in Israel’s periphery. Semi-structured clinical interviews were employed, in addition to questionnaires that examined PTSD and burnout to enhance the reliability of the findings. The results show that all residents reported stressful incidents in which patients’ physical integrity was threatened. The residents described the special nature of the medical cases they treated in routine times and during the pandemic outbreak, which stems mostly from the specific characteristics the population of Israel’s periphery. While at the early stages of the pandemic, the residents experienced reduced work pressure, they reported substantial difficulties later in the crisis, which intensified their sense of physical and emotional stress. Most residents reported feeling inadequately prepared for dealing with traumatic events. According to the results, most residents displayed secondary trauma (12 participants in interviews and 11 in questionnaires), which can be classified into categories based on the DSM-5. In the interviews, all 14 participants reported various signs of burnout. The questionnaires indicated burnout symptoms among 10 participants. Giving a voice to pediatric residents, the study highlights the complexity of their routine work as well as their role during the Covid crisis. Based on the findings, recommendations have been made for policymakers. The study highlights the importance of raising awareness to the implications of the residents’ rough work conditions in routine and emergency times and to the need to develop social support and intervention programs that might improve their well-being during their professional work. 展开更多
关键词 BURNout Covid-19 Pediatric residents Post-Traumatic Stress Disorder
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Residents’ Satisfaction Assessment of Outdoor Residential Spaces;A Local Study in an Urban Compact Form in Sana’a, Yemen—Winter Period
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作者 Samira Saleh Hussein AlShawesh 《Journal of Geoscience and Environment Protection》 2022年第6期130-155,共26页
This paper studies the thermal performance of outdoor residential spaces in the old part—historical part—of Sana’a city in the winter period and its impact on the residents’ satisfaction who occupied the buildings... This paper studies the thermal performance of outdoor residential spaces in the old part—historical part—of Sana’a city in the winter period and its impact on the residents’ satisfaction who occupied the buildings which overlook these spaces and use them on a pedestrian comfort basis. The analysis was carried out through the results of field measurements which study the temperature, relative humidity, and the air movement inside the selected outdoor spaces in the period of winter (2 months) data recorded through the devices used and compared with those obtained from the General Authority of Meteorology and Aviation—Meteorology Sector. Despite the passage of years, the author remained occupied with the opinion of the people whose homes overlook those outdoors spaces and what is their opinion of their performance. Therefore, an assessment was conducted in November 2020 to know the opinion of the people about the performance of these outdoor spaces and to compare the results of the field measurements with the results of the assessment. The measurements were conducted by using data-loggers that spread in some outdoor spaces in 7 spaces in old city of Sana’a and in its modern extension during the winter period which is the time of concern of this work. The measurements showed that the outdoor residential spaces in the old city of Sana’a are represented an advantage for winter climate over that of the modern city, so the focus in this paper was on that outdoors with the question of the users of the outdoor spaces in the old city only to clarify their satisfaction with it and whether it has succeeded as well from their point of view. Results presented in this paper are important to consider the relationship between the climatical performance of outdoor spaces and the comfort of the residents in the urban environment and give implications for urban planners and architects to improve the climate-based design methodology towards sustainable developments. 展开更多
关键词 Thermal Performance outdoor residential Spaces Sana’a Old City Modern City Winter Period Field Measurements Assessment residents Satisfaction
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Taiwan Residents in South Fujian
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《China & The World Cultural Exchange》 2002年第4期49-49,共1页
Fujian is in the coastal area of southeast China. It isalso known as Min. Ancestors of many Taiwan Residents now livingin Taiwan were from Fujian and the Chinese people on bothsides are concerned by shared family tree... Fujian is in the coastal area of southeast China. It isalso known as Min. Ancestors of many Taiwan Residents now livingin Taiwan were from Fujian and the Chinese people on bothsides are concerned by shared family trees. Since 展开更多
关键词 Taiwan residents in South Fujian ZHANG
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Plane Layout Features of Residential Courtyards in Henan 被引量:3
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作者 张献梅 左满常 《Journal of Landscape Research》 2009年第1期55-59,共5页
The traditional houses with various forms in Henan province experienced thousands of years.Its courtyard appearance which changes greatly can be summarized into four types:quadrangle,three-section compound,kiln housin... The traditional houses with various forms in Henan province experienced thousands of years.Its courtyard appearance which changes greatly can be summarized into four types:quadrangle,three-section compound,kiln housing and mountainous housing.In this paper,the courtyard of the showing width of 1-2 rooms are called the narrow-type courtyard,with 2-3 rooms are called the wide-type courtyard,with less one room is called very narrow-type courtyard,and with over three rooms are called very wide-type courtyard. 展开更多
关键词 residENCE COURTYARD PLANE layout
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Change Trend of Chinese Urban Residents' Food-nitrogen Consumption 被引量:2
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作者 王俊能 许振成 彭晓春 《Agricultural Science & Technology》 CAS 2010年第4期176-179,共4页
Change trend of Chinese urban residents' per capita food-nitrogen annual consumption from 1981 to 2007 was analyzed and predicted by using ARIMA time-series model in order to reveal the change of urban food-nitrogen ... Change trend of Chinese urban residents' per capita food-nitrogen annual consumption from 1981 to 2007 was analyzed and predicted by using ARIMA time-series model in order to reveal the change of urban food-nitrogen consumption during the China's urbanization process.Results showed that after 1980s,the annual consumption of Chinese urban residents' food-nitrogen had a change trend of " increase-decrease-increase" and generally presented as a slight increasing trend;With the acceleration of rapid economic development and urbanization process,Chinese urban residents' food-nitrogen consumption will still keep a rising trend in future,and also has a large rising space. 展开更多
关键词 Food consumption NITROGEN Spearman's rank correlation coefficient ARIMA model Urban residents China
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The Comparative Study on Miao and Dong Traditional Residential Architectures in Southeastern Guizhou of China 被引量:1
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作者 龙玉杰 《Journal of Landscape Research》 2011年第12期104-107,共4页
After the comparison and analysis of the difference between Miao and Dong traditional residential architectures in Southeastern Guizhou,the paper had pointed out that the geological environment had decided the similar... After the comparison and analysis of the difference between Miao and Dong traditional residential architectures in Southeastern Guizhou,the paper had pointed out that the geological environment had decided the similarities of Miao and Dong residential architectures in external pattern,framework system and architectural materials,and the cultural difference had led to the difference between Miao and Dong residential architectures in historical source,villages' layout,spatial layont,ationality custom,traffic space and public communication space.On this basis,it had further pointed out that the mutual influence between Miao and Dong culture had made their traditional residential architectures learn from each other's strong points to offset the weakness,forming a new architectural cultural system.It emphasized the vital significance of the livability,security and comfortableness of the indoor and outdoor environment,and indicated that the architecture coordinating with the environment and fully manifesting national characteristic would be the developing tendency of national architecture in the future. 展开更多
关键词 residENCE SETTLEMENT VILLAGE Space
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Strategies for Traditional Village Sustainable Development in Fuzhou City from the Perspective of Native Residents 被引量:2
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作者 周颖 徐翼男 《Agricultural Science & Technology》 CAS 2017年第7期1352-1354,共3页
Traditional village protection has been a hot topic recently. And traditional villages are far from meeting residents' demands in infrastructure as economic and social advances. Besides, local residents are not fully... Traditional village protection has been a hot topic recently. And traditional villages are far from meeting residents' demands in infrastructure as economic and social advances. Besides, local residents are not fully aware of cultural protection or inheritance, so that many traditional buildings long fallen into disrepair, have been replaced by new ones. In the meantime, the population of migrant workers is in- creasing, making cultural inheritance more difficult and causing decreasing of tradi- tional villages. Now, it is an important and tough job to release the conflict between increasing material needs of the people and historical cultural inheritance. In the re- search, field investigation was made on Dongkeng Village, Le'an county to seek the optimal strategy for traditional village sustainable development from the perspective of importance on traditional village protection. 展开更多
关键词 Traditional village Native residents Sustainable development
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Residence time distribution of high viscosity fluids falling film flow down outside of industrial-scale vertical wavy wall: Experimental investigation and CFD prediction 被引量:5
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作者 Shichang Chen Lihao Zhang +2 位作者 Yongjun Wang Xianming Zhang Wenxing Chen 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2019年第7期1586-1594,共9页
The flow behavior of gravity-driven falling film of non-conductive high viscosity polymer fluids on an industrial-scale vertical wavy wall was investigated in terms of film thickness and residence time distribution by... The flow behavior of gravity-driven falling film of non-conductive high viscosity polymer fluids on an industrial-scale vertical wavy wall was investigated in terms of film thickness and residence time distribution by numerical simulation and experiment.Falling film flow of high viscosity fluids was found to be steady on a vertical wavy wall in the presence of the large film thickness.The comparison between numerical simulation and experiment for the film thickness both in crest and trough of wavy wall showed good agreement.The simulation results of average residence time of falling film flow with different viscous fluids were also consistent with the experimental results.This work provides the initial insights of how to evaluate and optimize the falling film flow system of polymer fluid. 展开更多
关键词 FALLING FILM flow High viscosity polymer fluid residENCE time distribution FILM thickness Numerical simulation
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Cigarette smoking and alcohol drinking and esophageal cancer risk in Taiwan Residents women 被引量:4
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作者 I-Chen Wu Deng-Chyang Wu +4 位作者 Hung-Ju Su Hui-Jen Tsai Chien-Yu Lu Jang-Ming Lee Ming-Tsang Wu 《World Journal of Gastroenterology》 SCIE CAS CSCD 2010年第12期1518-1521,共4页
AIM:To investigate the etiology of esophageal cancer among Taiwan Residents women.METHODS:This is a multi-center,hospital-based,case-control study.Case patients consisted of women who were newly diagnosed and patholog... AIM:To investigate the etiology of esophageal cancer among Taiwan Residents women.METHODS:This is a multi-center,hospital-based,case-control study.Case patients consisted of women who were newly diagnosed and pathology-proven to have esophageal squamous cell carcinoma(ESCC) from three large medical centers(one from Northern and two from Southern Taiwan,respectively)between August 2000 and December 2008.Each ESCC patient was matched with 4 healthy women based on age(within 3 years)and hospital of origin,from the Department of Preventive Medicine in each hospital.A total of 51 case patients and 204 controls,all women,were studied.RESULTS:Frequencies of smokers and drinkers among ESCC patients were 19.6%and 21.6%,respectively,which were significantly higher than smokers(4.4%) and drinkers(4.4%)among controls(OR=4.07,95%CI:1.36-12.16,P=0.01;OR=3.55,95%CI:1.03-12.27,P=0.04).Women who drank an amount of alcohol more than 158 g per week had a 20.58-fold greater risk(95%CI:1.72-245.62,P=0.02)of ESCC than those who never drank alcohol after adjusting for other covariates,although the sample size was small.CONCLUSION:Cigarette smoking and alcohol drinking,especially heavy drinking,are the major risks for developing ESCC in Taiwan Residents women. 展开更多
关键词 Esophageal squamous cell carcinoma Taiwan residents women Cigarette smoking Alcohol drinking
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