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The secondary ion yield has a maximum value when the projectile kinetic energy is...

分析表明，这是势能沉积作用与线性级联碰撞过程协同作用的结果。

For the understanding of the kinetic variation and distribution of Cl in tobacco area soil of upland yellow-red earth in South Anhui ,soil samples were collected in 4 times of tobacco growth :early winter of 2002,before transplanting in next year, beginning midway, and leaf collecting .

通过对皖南旱地黄红壤烟区进行施Cl处理，施Cl后分别在初冬、次年移栽前、采烤开始、采烤中期、采烤结束后，分五次分别挖土壤剖面取土样；每次剖面层分别取0-20cm、20-40cm、40-60cm、60-80cm的土层土样，同一层同时取4-5点混匀作为一个样品，分析土壤Cl的动态变化。

Kinetic investigation about Pt/TiO〓 catalyst and adding transition metal, rare-earth metal to Pt/TiO〓 catalyst on the hydrogenation of CNB.

初步探讨了Pt/TiO〓催化剂以及添加过渡金属和稀土金属催化剂上氯代硝基苯催化加氢的反应动力学。

For dissociation of c-C2H4S+ in a region 10.6?{11.8 eV, branching ratios and average releases of kinetic energy in channels of formation of c-C2H4S+, CH3CS+ and HCS+ were obtained from well-resolved coincidence mass spectra.

我们由环硫乙烯在光能量范围10.6-11.8 eV的同现质谱谱线的面积和半高宽，得到c-C2H4S+、CH3CS+和HCS+在各个光能量的分枝比和释放的平均动能。

The adsorption kinetic was found following the second-order reaction, and the Langmuir isothermal equation can be well-fitted.

动力学实验结果吻合二阶动力学模式，等温吸附模式较符合Langmuir。

Solution F: At the beginning of each "kinetic day", the fifth pair of students will prepare a 2.5x10-4 M ascorbic acid solution by adding the appropriate amount of solid ascorbic acid to a 250-mL volumetric flask.

溶液F：在每一次开始&动力学实验&以前，第五对的学生要准备一个浓度为2.5x10-4 M的抗坏血酸溶液。其配制方法是把适量的固体抗坏血酸加到一个250-mL的容量瓶中。

Solution F: At the beginning of each "kinetic day", the fifth pair of students will prepare a 2.5x10-4 M ascorbic acid solution by adding the appropriate amount of solid ascorbic acid to a 250-mL volumetric flask.

溶液F：在每一次开始&动力学实验&以前，第五对的学生要准备一个浓度为2.5x10-4 M的抗坏血酸溶液。

Kinetic models describe the particle velocity distribution function at each point in the plasma, and therefore do not need to assume a Maxwell Boltzmann distribution .

动力学模型描述粒子速度分布函数在每一个点的血浆，因此，不需要承担麦克斯韦，玻尔兹曼分布。

Fluid mechanics from the point of view, the valve is a local resistance can change the expenditure components, namely, cutting expenditure by changing the area so that the velocity of the fluid and kinetic energy changes, resulting in different pressure loss and thus achieve the purpose of decompression.

从流体力学的观点看，减压阀是一个局部阻力可以变化的节流元件，即通过改变节流面积，使流速及流体的动能改变，造成不同的压力损失，从而达到减压的目的。

The momentum equation and energy equation have been developed and the two-fluid model of core-shooting process has been established with the kinetic theory.

作者通过引入&颗粒温度&的概念，推导了固相的动量方程以及颗粒相的能量方程，建立了描述射砂过程的气固两相流动力学模型。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。