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
Plagiarism is considered as an unethical practice in academia and literary forums.Detecting plagiarism is not difficult for experts as they have latest and
纤维素类聚多糖是自然界中最丰富的可再生资源,全世界年产量约为1012吨。纤维素是由葡萄糖残基以β-1,4-糖苷键连接组成、以纤维二糖为基本联结单位的天然高分子化合物。这些
The resources construction of online courses with the inter-school cooperation is the tendency of ICT in higher education.To develop the professional MOOC l
纸基覆铜箔层压板(线路板基材,简称纸基覆铜板)制造是我国的优势行业,我国每年纸基覆铜板产值占全球总产值的六成。桐油增韧酚醛树脂(TO/PR)具有较好的韧性和耐热性,目前仍是国
糖基转移酶(Glycosyltransferases, GTs)是一种催化糖基与特异受体分子结合,形成糖苷键的酶。糖基转移酶催化的糖基化在植物信号识别、物质转运和次级代谢过程中起着重要的作用。本实验室以烟草为材料,克隆了一个新的受甲基茉莉酸(MeJA)和水杨酸(SA)双重诱导表达的糖基转移酶基因sm-Ngt1。基于pCAMBIA1302和pCAMBIA1301载体,本实验室前期研究分别构建了sm-
本文以拟薄水铝石为铝源、水玻璃为硅源合成了高稳定性、酸性适中的AlMCM-41介孔分子筛,并考察了模板剂用量、水用量、pH值、晶化温度、晶化时间、老化时间及盐效应等对介孔结