rate=K[A]x[B]y K:the rate constant at a particular temperature [A]&[B]:the concentration of substances A & B x:the order with respect to A, and y is the order for B The overall order of reaction:the sun of the individual orders,x+y Colorimetry measures the intensity of a color...
unit of time 美 英 un.时间单位 英汉 un. 1. 时间单位 1. Thereactionrate is defined as thechangeinconcentrationofareactantorproduct,[A],perunitoftimet. 反应速率被定义为反应物或生成物在每单位时间t内的浓度改变值[A]。 rywen.net 2.
2)线性阶段:生长和时间成正比,主要由surface reaction rate决定。3)diffusion生长阶段:生长速度和时间的开根号成线性关系。 MOS devices会受charges in the oxide和traps at the SiO2-Si interface的影响,包含 1)interface-trapped charge, 2) fixed-oxide charge, 3) oxide-trapped charge, 4) mobile ionic ...
14. rate n. 速度;(比)率;/vt.划分等级15. rating n. 等级;级别16. extinct adj. 已灭绝的17. extinction n. 灭绝18. mass adj. 大量的;广泛的 n./大量;堆;群19. habitat n. (动植物的)生活环境;栖息地20. aware adj. 办知道...
dispose?v.处理,处置;表示“除掉、扔掉”时常与of连用。 36 firefighter /?fa??fa?t?(r)/ n.消防队员 37 bring…under control 使……处于控制之下 38 blaze /ble?z/ n.烈火,大火,火灾(尤用于新闻报道);熊熊的火焰;(光线,色彩的)光辉,闪耀;(强烈感情的)迸发;(尤指马面部的一条)白斑 v.熊熊燃烧;...
Math anxiety-a negative emotional reaction to the core subject causes fear, physical suffering and behavior problems among young pupils, according to a University of Cambridge study. In ordinary life, many people experience some degree of discomfort when faced with a math problem, ranging from mild...
此处是动词的-ed形式作定语,修饰The project of the underground,故填aimed。 48.【答案】Unemployment 【解析】句意:自一月份以来失业率创下最低的水平,失业人数达348万。分析结构空处缺名词,根据句意和所给单词提示应该是“失业”,“失业率”是unemployment ...
Therefore the temperature will decrease with radial position , i.e.,with the distance from the centerline of the pipe . 因此沿径向 方向也就是说随离管道中心线距离的增大, 温度降低。 Then , since the reaction rate increases with temperature , it will be higher at the center ,where the ...
In this attempt to reassert traditional mores, the forces of reaction have, over the last few decades, been reinforced by those of evangelical Christians. 宗教和政治力量的这种勾结对研究美国历史的学生来说应该不足为奇 Such collusion of religious and political forces should come as no surprise to ...
The results of the pilot experiment showed that the optimization reaction temperature of the secondary riser of the FDFCC unit was 575 °C, and the content of aromatics in cracked gasoline reached 78 wt% or more. It should be noted that light cycle oil (LCO) should be subjected to ...