油井出水是油田开发过程中普遍存在的问题，它给油井生产、油气集输和油田开发等工作带来严重的影响，特别是对于水驱（注入水、边水及底水）油田。在水驱油田开采后期，油井出水是不可
Because of plights of practical teaching in the transition of local undergraduate universities,it is necessary to introduce service learning theory from the
In recent years,with the rapid development of economic and society,science and technology.The demand for high-quality talents increased.Colleges and univers
摘要：要提高物理教学质量，学习兴趣是一个关键，而学习兴趣的提高要通过教师的上课来实现，主要是通过改革试验教学和教师的教学艺术来实现。 关键词：学习兴趣 ； 实验 ；教学艺术 学习兴趣是指学生对学习活动产生的心理上的爱好和追求的倾向。学生一旦对学习发生兴趣，就会充分发挥自己的积极性和主动性。浓厚的兴趣将是人们刻苦钻研、勇于攻关的强大动力。爱因斯坦说：“兴趣是最好的教师”。因此，如何激发学生学习物
目的: 猪的心血管系统、消化系统、免疫系统等在组织解剖学、生理学、营养代谢等方面与人类的相似性很高。因此，实验用小型猪在生物医学研究中的使用率越来越高。巴马小型
Since 2005 Tongji University tried to carry out quality performance evaluation of colleges or departments on campus and published "Report on Education Quali
A favourable leadership structure can fundamentally guarantee the normal operation of an international non-government organization.The Asia-Pacific Quality
Quality management models in education focuses on inculcating abilities in students to demonstrate the stated outcomes of the respective academic programs.T
Students evaluation of teaching(SET)plays a very important role in the Higher Education Quality Assurance(HEQA).However;the results of SET come into being u
楮头红是福建特色中草药,其原植物为野牡丹科Melastomaceae肉穗草属Sarcopyramis植物楮头红nepalensis Wall.。主治肺热咳嗽,头目眩晕,耳鸣,耳聋,目赤羞明,肝炎,风湿痹痛,跌打损伤,蛇头疔,无名肿毒。对急性肝炎(甲肝、乙肝急性期)疗效最佳,对慢性肝炎及乙肝病毒携带者有效。本文利用各种反相柱层析方法,对楮头红的化学成分进行分离鉴定,从水溶性部位分离纯化了18个化合物