【摘 要】
：
Polyethylene In early June 2007, due to the unduly price rise in earlier months, the demand in downstream sectors did not increase synchronously, and the offer
【出 处】
：
China Chemical Reporter
论文部分内容阅读
Polyethylene In early June 2007, due to the unduly price rise in earlier months, the demand in downstream sectors did not increase synchronously, and the offer price of LLDPE (linear low density polyethylene) dropped slightly. The price of HDPE (high density polyethylene) remained up trend because of tense supply. At the end of June 2007, with the
Polyethylene In early June 2007, due to the unduly price rise in earlier months, the demand in downstream sectors did not increase synchronously, and the offer price of LLDPE (linear low density polyethylene) dropped slightly. The price of HDPE (high density polyethylene) remained up trend because of tense supply. At the end of June 2007, with the
其他文献
【正】 Scarce resources VSimportant positionQinghai Salt Lake Potash Co.,Ltd.(SaltLake Potash or the company,SZ:000792)is located in Charhan,Germu,Qinghai provi
小学语文是学生学习语文的基础阶段,其中阅读教学更是影响到学生的语言表达能力、审美能力以及写作能力的发展,因此,采用先进的教学方式,提高语文阅读教学的有效性,成为小学
1 Overall evaluation of the crude oilprocessing and oil product manufacturing sector in China in 2006(1) Main economic indexesIn the crude oil processing and oi
本试验采用田间鉴定法,两年来通过对12个不同莜麦品种(品系),在不同生育时期的抗旱形态指标、抗旱生理指标和丰产性状等指标的测定,经过多方面比较,综合分析,肯定了高8—21、
语文课堂教学的有效性是语文教学的生命,而这生命能否得以延续,取决于教师是否能充分发掘学生的兴趣点,调动学生学习的主动性和积极性,能否做到与文本有机结合,真情演绎文本
The problem of energy and environment related to energy has become a worldwide focus of attention in recent years.
小学科学图例教学的一个重要目的是培养学生的形象思维能力,而形象思维能力的获取需要学生能够具有良好的语言表达能力,这就要求教师在开展科学图例教学实践中,积极拓展教学
本文就当前高中历史课堂合作学习中存在的问题、提高合作学习成果的方法及对合作学习结果进行总结评价三个方面来对高中历史课堂合作学习进行探讨和论述.
教育教学改革要顺应时代的发展,改革是契机,也是挑战.“微时代”的来临,颠覆了教师对传统教学的依赖思想.在实际的历史教学中,凭借微课展示历史知识的魅力,唤起学生的学习热
物理学是自然科学一门非常重要的、应用范围很广的基础科学,与其他自然科学的关系非常密切,因而中学物理教学在基础教育中占有非常重要的地位.物理本身的概念比较抽象和概括,