查询词典 ionization

B Draw the structure of the predominant ionization state of histidine at pH1, 4, 8 and

画出组氨酸在pH1， 4， 8 的主要解离状态的结构。

Draw the structure of histidine in each ionization state.

画出组氨酸的每种解离结构。

What is the net charge on the histidine molecule in each ionization state?

每种解离状态下的净电荷是多少？

The residual gas pressure in an electron tube can be measured when the tube itself is operated as a hot cathode ionization gauge.Usually,its sensitivity K is determined by the method of gauge calibration.In this paper,author try to determine the sensitivity K by ca- lculation.The formulae for this purpose have be found out,and are used for both plate and cylindrical electrode systems.

把电子管接成热阴极电离计的工作形式，用来测量管内残气压强时，其灵敏度如何计算的问题在本文中作了讨论，给出了平板形电极系统和圆柱形电极系统的灵敏度解析式，对式中各量的计算作了详细介绍；并指出四极管中电子在电离区的平均渡越次数的表示式与三极管中的完全不同。

Based on photo ionization principle,a gas sensor for hydrazine is designed to meet aerospace industry.

为满足航天工程的需求，根据光离子化原理，设计了一种响应快、精度高(1O )、便携、可连续测试的肼类监测传感器，可用于现场检测有机蒸气和气体。

The removal pathways are: fist, high-energy electrons undergo an inelastic collision with target molecule, and transfers all or part of its kinetic energy to molecule. Inelastic collisions result in a charge to the target molecule such as ionization, dissociation or excitation.

其可能的途经是：首先，高能电子经过与目标分子发生非弹性碰撞，将能量全部或部分传递给分子，使其裂解，激化等；接着，上述被高能电子裂解、激化的分子在臭氧和氧等离子的作用下，被氧化成CO2、CO和H2O。

Meanwhile, we explored discharge characteristics and influence factors (interelectrode distance, temperature, atmospheric pressure, relative humidity, etc) through experiments. To optimize the characteristics of ionization sensor, we studied the diameter, distance and height of carbon nanotubes when field effects of carbon nanotubes were in optimized conditions.

出于优化电场效应、增强纳米碳管气敏传感器气敏性的需要，本文实验研究了纳米碳管直径、间距和高度的可控制备方法，最终传感器采用了符合电场效应优化条件的纳米碳管材料。

Using the semiclassical rescattering model, we have studied the effect of molecular internuclear distance on non-sequential double ionization.

利用半经典再散射模型，我们研究了激光强度在一定范围内时分子核间距对非时序双电离过程的影响。

Methods Ionization chamber and film dosimetry methods were used to compare the angular dose distribution, point source approximation in the area close to the source,the coincidence of inverse square law of source strength and the scatter and attenuation in water medium,of a cylindrical, miniature 192 Ir source and "the ideal point source".

用电离室法与胶片法实测国产192Ir放射源空间剂量角分布、点源的近似性与源强反平方定律的符合性以及水介质散射与衰减特性，并与点源剂量分布特性比较。

And the inner ionization microcosmic mechanism of chamber is especially analyzed.

和结构，着重分析了电离室内部的电离微观机制。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。