The English language is widely used now and there is no need for us to talk about its importance.English teaching is aimed to enable students to obtain basic English knowledge and to have the ability to use it in comm...The English language is widely used now and there is no need for us to talk about its importance.English teaching is aimed to enable students to obtain basic English knowledge and to have the ability to use it in communication by the training of listening,speaking,reading and writing.In middle schools,oral English teaching is usually neglected by teachers and students.This article tries to find out the problems and then give us some countermeasures so as to improve oral English teaching.展开更多
The focus of this essay is to work out the potential problems of inefficient on spoken English as well as offer the advice to polish it.Based on the situation of oral English in China,this essay investigates and ident...The focus of this essay is to work out the potential problems of inefficient on spoken English as well as offer the advice to polish it.Based on the situation of oral English in China,this essay investigates and identifies the problems of oral English skill from four aspects in China,then gives the two possible solutions and finally,evaluates the advantage and disadvantage of the solutions.展开更多
Aim The purpose of this study was to develop a mathe-matical model to quantitatively describe the passive trans-port of macromolecules within dental biofilms. Methodology Fluorescently labeled dextrans with different ...Aim The purpose of this study was to develop a mathe-matical model to quantitatively describe the passive trans-port of macromolecules within dental biofilms. Methodology Fluorescently labeled dextrans with different molecular mass （3 kD,10 kD,40 kD,70 kD,2 000 kD） were used as a series of diffusion probes. Streptococcus mutans,Streptococcus sanguinis,Actinomyces naeslundii and Fusobacterium nucleatum were used as inocula for biofilm formation. The diffusion processes of different probes through the in vitro biofilm were recorded with a confocal laser microscope. Results Mathematical function of biofilm penetration was constructed on the basis of the inverse problem method. Based on this function,not only the relationship between average concentration of steady-state and molecule weights can be analyzed,but also that between penetrative time and molecule weights. Conclusion This can be used to predict the effective concentration and the penetrative time of anti-biofilm medicines that can diffuse through oral biofilm. Further-more,an improved model for large molecule is proposed by considering the exchange time at the upper boundary of the dental biofilm.展开更多
Nowadays, it is obvious to see the importance of oral English competence. Cultivating students' oral English competence is not only the need of the development of the society but also the development of college st...Nowadays, it is obvious to see the importance of oral English competence. Cultivating students' oral English competence is not only the need of the development of the society but also the development of college students. This paper will analyze existing problems of English majors in Xi'an Fanyi University. Based on this, the author will put forward some countermeasures to improve their oral English competence.展开更多
目的 探讨以问题为基础教学法(problem based learning,PBL)结合思维导图在“口腔颌面部损伤”章节教学中的应用效果。方法 2020年8月-2021年1月,选择滨州医学院2017级口腔医学本科学生为研究对象,共24名,随机分为试验组、对照组,各12...目的 探讨以问题为基础教学法(problem based learning,PBL)结合思维导图在“口腔颌面部损伤”章节教学中的应用效果。方法 2020年8月-2021年1月,选择滨州医学院2017级口腔医学本科学生为研究对象,共24名,随机分为试验组、对照组,各12名。在《口腔颌面外科学》的“口腔颌面部损伤”章节教学中,试验组采用PBL教学法结合思维导图教学,对照组采用传统以授课为基础(lecture based learning,LBL)的教学。通过问卷调查和理论测试的方法对2种教学方法的效果进行评价。结果 试验组学生自身理论知识的理解、临床诊断和治疗水平、自主学习能力、相互协作能力、自身沟通能力以及课堂活跃程度方面均有所提高。两组理论基础知识成绩比较,差异无统计学意义(P> 0.05);试验组病例分析成绩优于对照组,差异有统计学意义(P<0.05)。结论 学生对于PBL教学法结合思维导图的认可度较高,提高了学生病例分析成绩,增强了教学效果。展开更多
Introduction： Oral health is window to overall health. There is a greatest burden of oral diseases on the underprivileged group. In developing countries like India the affordability to oral health care services is ve...Introduction： Oral health is window to overall health. There is a greatest burden of oral diseases on the underprivileged group. In developing countries like India the affordability to oral health care services is very limited thereby leading to poor oral wellness ＆ millions suffer intractable toothache and poor quality of living and end up with few dentition. Objective： To assess the utilization level of oral health services among women in Chennai. Material and methods： A cross-sectional questionnaire survey was conducted among 200 women in Teynampet Zone in Chennai District, Tamil Nadu. The women were chosen by simple random sampling and were interviewed using the semi-stzuctured questionnaire to assess their utilization level during the period of June to July 2016. The data were analyzed by SPSS Version 22. Result： Descriptive statistics and multivariate analysis--MANOVA were used to analyze the utilization level. Majority of the respondents were in the age group of 30-35years, most of the respondents had oral problem and almost everyone had visited dentist at least once within 3 years. Multivariate analysis--MANOVA also showed that the utilization levels were directly influenced by accessibility, availability and affordability and showed statistical significance （p value 〈 0.05） and also from MANOVA analysis it showed that the respondents who had poor oral hygiene did not utilize oral health care services as the affordability was a problem although accessibility and availability was adequate. Conclusion： Our fmdings suggest that people who had oral problem had visited dentist in previous 3 years and most of the people who visited dentist had a good oral hygiene. Cost of the treatment affected the dental visits. They believed that visiting the dentist is necessary only for pain relief.展开更多
文摘The English language is widely used now and there is no need for us to talk about its importance.English teaching is aimed to enable students to obtain basic English knowledge and to have the ability to use it in communication by the training of listening,speaking,reading and writing.In middle schools,oral English teaching is usually neglected by teachers and students.This article tries to find out the problems and then give us some countermeasures so as to improve oral English teaching.
文摘The focus of this essay is to work out the potential problems of inefficient on spoken English as well as offer the advice to polish it.Based on the situation of oral English in China,this essay investigates and identifies the problems of oral English skill from four aspects in China,then gives the two possible solutions and finally,evaluates the advantage and disadvantage of the solutions.
基金supported by a grant from the National Natural Science Foundation of China (NSFC) No. 81070826/30872886/30400497Sponsored by Shanghai Rising-Star Program No. 09QA1403700+1 种基金funded by Shanghai Leading Academic Discipline Project (Project Number: S30206)the Science and Technology Commission of Shanghai (08DZ2271100)
文摘Aim The purpose of this study was to develop a mathe-matical model to quantitatively describe the passive trans-port of macromolecules within dental biofilms. Methodology Fluorescently labeled dextrans with different molecular mass （3 kD,10 kD,40 kD,70 kD,2 000 kD） were used as a series of diffusion probes. Streptococcus mutans,Streptococcus sanguinis,Actinomyces naeslundii and Fusobacterium nucleatum were used as inocula for biofilm formation. The diffusion processes of different probes through the in vitro biofilm were recorded with a confocal laser microscope. Results Mathematical function of biofilm penetration was constructed on the basis of the inverse problem method. Based on this function,not only the relationship between average concentration of steady-state and molecule weights can be analyzed,but also that between penetrative time and molecule weights. Conclusion This can be used to predict the effective concentration and the penetrative time of anti-biofilm medicines that can diffuse through oral biofilm. Further-more,an improved model for large molecule is proposed by considering the exchange time at the upper boundary of the dental biofilm.
文摘Nowadays, it is obvious to see the importance of oral English competence. Cultivating students' oral English competence is not only the need of the development of the society but also the development of college students. This paper will analyze existing problems of English majors in Xi'an Fanyi University. Based on this, the author will put forward some countermeasures to improve their oral English competence.
文摘目的 探讨以问题为基础教学法(problem based learning,PBL)结合思维导图在“口腔颌面部损伤”章节教学中的应用效果。方法 2020年8月-2021年1月,选择滨州医学院2017级口腔医学本科学生为研究对象,共24名,随机分为试验组、对照组,各12名。在《口腔颌面外科学》的“口腔颌面部损伤”章节教学中,试验组采用PBL教学法结合思维导图教学,对照组采用传统以授课为基础(lecture based learning,LBL)的教学。通过问卷调查和理论测试的方法对2种教学方法的效果进行评价。结果 试验组学生自身理论知识的理解、临床诊断和治疗水平、自主学习能力、相互协作能力、自身沟通能力以及课堂活跃程度方面均有所提高。两组理论基础知识成绩比较,差异无统计学意义(P> 0.05);试验组病例分析成绩优于对照组,差异有统计学意义(P<0.05)。结论 学生对于PBL教学法结合思维导图的认可度较高,提高了学生病例分析成绩,增强了教学效果。
文摘Introduction： Oral health is window to overall health. There is a greatest burden of oral diseases on the underprivileged group. In developing countries like India the affordability to oral health care services is very limited thereby leading to poor oral wellness ＆ millions suffer intractable toothache and poor quality of living and end up with few dentition. Objective： To assess the utilization level of oral health services among women in Chennai. Material and methods： A cross-sectional questionnaire survey was conducted among 200 women in Teynampet Zone in Chennai District, Tamil Nadu. The women were chosen by simple random sampling and were interviewed using the semi-stzuctured questionnaire to assess their utilization level during the period of June to July 2016. The data were analyzed by SPSS Version 22. Result： Descriptive statistics and multivariate analysis--MANOVA were used to analyze the utilization level. Majority of the respondents were in the age group of 30-35years, most of the respondents had oral problem and almost everyone had visited dentist at least once within 3 years. Multivariate analysis--MANOVA also showed that the utilization levels were directly influenced by accessibility, availability and affordability and showed statistical significance （p value 〈 0.05） and also from MANOVA analysis it showed that the respondents who had poor oral hygiene did not utilize oral health care services as the affordability was a problem although accessibility and availability was adequate. Conclusion： Our fmdings suggest that people who had oral problem had visited dentist in previous 3 years and most of the people who visited dentist had a good oral hygiene. Cost of the treatment affected the dental visits. They believed that visiting the dentist is necessary only for pain relief.
