Pre-Reading Activities Text New Word Reading Text: Language Points Newspaper Reading Exercise Check-up endence Assignment

Background Information Organization of the Text Introtuctory Exercise Text & New Word Reading Intensive Study Exercise Check-up Assignment

Background Information Organization of the Text Introductory Questions Text& New Word Reading Intensive Study Exercise Check--up Assignment

Pre-Reading Activities Text & New Word Reading Text A: Language Points Newspaper Reading Exercises Assignment

Background Information Organization of the Text Introductory Questions Text New Word Reading Intensive Study Exercise Check-up Assignment

Background Information Organization of the Text Text New Word Reading Intensive Study Exercise Check-up Assignment

Pre-Reading Activities Text New Word Reading Text A: Language Points .Newspaper Reading .Exercise Check-up .Assignment

铂族金属是稀贵金属,其中铂和钯在地壳中含 过滤后的含铼溶液进入萃取器,萃取器为一混 量只有0.005克/吨~0.01克/吨。金属铂在国民经合澄清槽,它结构简单,运行稳定,借助于机械搅拌 济中有着广泛的用途高纯铂可用于制造电极、阻混合,靠重力分相,用二异辛基亚砜作萃取剂,径三 温度计等,铂的合金可用于电阻、继电器、热电偶等级萃取,两级酸洗,六级反萃,萃取段相比,水相比有 铂具有良好的催化作用

从正泰的历史看战略管理的重要性 创立于1984年7月的正泰公司,经过二十年脚踏实地、充满传奇色彩的发展历程,年销售 额由创办当年的1万元到2003年的101亿元经营范围涉及高低压电器、输变电设备、仪 器仪表、通信设备、建筑电器、汽车电器等六大主导产业300多个系列、5000多个品种、 2000多种规格的产品

一、湍流的物理特性 二、湍流流动的雷诺方程 三、湍流流动的定解问题