In the years 2008-2010, a study on the quality of tubers grown in the two crop production systems, i.e., organic and integrated in two locations： Jadwisin--Central and Osiny--South-Eastern of Poland were conducted. T...In the years 2008-2010, a study on the quality of tubers grown in the two crop production systems, i.e., organic and integrated in two locations： Jadwisin--Central and Osiny--South-Eastern of Poland were conducted. The influence of such factors as the crop production system （organic and integrated）, the place of production （soil quality）, variety and years of research on the chemical composition, i.e., tuber dry matter, starch, vitamin C, nitrates and glycoalkaloids were tested. It has been found that the greatest impact on the chemical composition of tubers had the climatic conditions during the growing season and genotype. They affected the contents of all tested components. The place of production affected the contents of dry matter, starch, vitamin C and nitrates. This factor had no effect on the content of glycoalkaloids. The least effect on the chemical tubers composition was in crop production system. It only affected the contents of dry matter, starch and vitamin C. There was no significant effect of this factor on the nitrate and glycoalkaloids content.展开更多
Students＇ academic motivation in a course is one of the most important factors to evaluate the success of the course. Measuring such a type of motivation has been proven to be complicated and open for debate. In this...Students＇ academic motivation in a course is one of the most important factors to evaluate the success of the course. Measuring such a type of motivation has been proven to be complicated and open for debate. In this study, MUSIC Model of academic motivation developed by Jones （2009） was employed to conduct a survey on 214 third-year students of a police university after their Medical English course. Given five major components in the MUSIC Model derived from research and theory that are critical to student engagement in academic settings, including empowerment, usefulness, success, interest, and caring, the study reveals interesting results for considering the effectiveness of an ESP course. Some implications for instructors about how to engage students in a course have been also drawn out. It is believed to be practically helpful for those delivering ESP courses in non-English major universities in Vietnam.展开更多
文摘In the years 2008-2010, a study on the quality of tubers grown in the two crop production systems, i.e., organic and integrated in two locations： Jadwisin--Central and Osiny--South-Eastern of Poland were conducted. The influence of such factors as the crop production system （organic and integrated）, the place of production （soil quality）, variety and years of research on the chemical composition, i.e., tuber dry matter, starch, vitamin C, nitrates and glycoalkaloids were tested. It has been found that the greatest impact on the chemical composition of tubers had the climatic conditions during the growing season and genotype. They affected the contents of all tested components. The place of production affected the contents of dry matter, starch, vitamin C and nitrates. This factor had no effect on the content of glycoalkaloids. The least effect on the chemical tubers composition was in crop production system. It only affected the contents of dry matter, starch and vitamin C. There was no significant effect of this factor on the nitrate and glycoalkaloids content.
文摘Students＇ academic motivation in a course is one of the most important factors to evaluate the success of the course. Measuring such a type of motivation has been proven to be complicated and open for debate. In this study, MUSIC Model of academic motivation developed by Jones （2009） was employed to conduct a survey on 214 third-year students of a police university after their Medical English course. Given five major components in the MUSIC Model derived from research and theory that are critical to student engagement in academic settings, including empowerment, usefulness, success, interest, and caring, the study reveals interesting results for considering the effectiveness of an ESP course. Some implications for instructors about how to engage students in a course have been also drawn out. It is believed to be practically helpful for those delivering ESP courses in non-English major universities in Vietnam.
