而霍耳系数取决于半导体材料中电子浓度和空穴浓度的相对大小及其迁移率之比。
Hall coefficient depends on electronic concentration and the relative values of empty hole concentrations and their migration rate in the semiconductor.
非计量掺杂碘时，空穴浓度大于电子浓度，载流子浓度和迁移率同时影响导电率。
In the calculated doped state, the concentration of the holes is larger than that of the electrons, the conductive ratio is influenced by both the carrier concentration and transferring.
概述了铝基准晶态合金的形成机理，其形成存在着相似性原则，具有电子浓度特征。
The formation mechanism of Al-based amorphous alloy was summarized and it has the characteristic of valence electron concentration and the principle of similarity.
在数字频高图换算电子浓度剖面的基础上，利用卡普曼函数拟合法建立模型电离层。
Based on the electron density profiles which were inverted from digital ionograms, a Chapman function is used to give a fitted model of ionosphere.
在实验过程中还发现有电子浓度起伏的金属表面而会使周围空气温度降低的电子致冷现象。
In the experiment we discovered that fluctuations of electrons in metal surface can reduce the temperature of the air around the metals.
发现颜色坐标的变化是由于随氮分压增加，自由电子浓度降低引起等离子体频率降低造成的。
As the nitrogen partial pressure increases, the variation of color coordinate is caused by decrease of free electrons number of the films and decrease of plasma frequency.
根据BNRT不同工作状态下的内部电势、电子浓度和空穴浓度分布，解释了其S型负阻特性的产生机理。
According to the distribution of potential, electron and hole in the BNRT at different stages, the mechanism inducing S-type negative resistance characteristics is explained.
由于等离子层中等离子的高浓度会阻止哨声波与粒子之间相互影响的有效性，故通常此类的电子加速是很难或几乎是不可能实现的。
Normally, such electron acceleration is difficult or impossible because the plasmasphere's high plasma density prevents the chorus waves from efficiently interacting with particles.
氢气(H 2)在催化剂的作用下分离成氢离子(H)和电子，氢离子穿过固体电解质逸出，因此可以检测出其浓度。
Hydrogen (H2) at the next catalyst separated into hydrogen ions (h) and electron, hydrogen ions through the solid electrolyte escape, so its concentration can be detected.
结果：随着醋酸、盐酸浓度的增加，等离子体激发温度、电子密度随之降低。
Results: the excitation temperature and electron density decreased when the concentration of HCl and HAc increased.
实现用电场强度、电子能量控制臭氧产生浓度和分解。
The ozone concentration and decomposition are controlled by the electric field intensity and electron energy.
得到了电子亚带能量和波函数随自由载流子浓度的变化规律。
The rules of electron subband energies and corresponding wave functions depending upon free carrier concentration have been obtained.
文中还计算了电子辐照在硅中所产生的缺陷浓度等一些重要参数。
Some important parameters such as defect concentration induced by electron irradiation are calculated.
通过模拟单基板彩色AC - PD P放电单元的工作情形，给出了单元内电位、电子和离子浓度的分布情况。
By the simulation of discharge evolution in a discharge cell of SSAC-PDP, the space distributions of potential, electrons and ions density with time in a discharge cell are presented.
我国科学研究者用细胞培养及电子显微镜方法研究发现，普洱茶杀癌细胞的作用最为强烈，甚至常人喝茶百分之一的浓度，就有明显的作用。
Our scientists have used cell culture and electron microscopy study found tea to kill cancer cells most strongly, and even the concentration of one percent of ordinary tea, there is an obvious role.
考虑费米能级随二维电子气浓度的变化，计算了器件的直流特性。
With the two dimensional electron gas model, considering the nonlinear shift of Fermi level with electron gas density, the DC output characteristics is calculated.
控制施主浓度和掺杂等电子杂质，可以获得低吸收锗窗。
Germanium window with low absorption will be obtained through controlling donor concentration and doping isoelectronic im purity.
用电子显微镜（SEM）考察了聚合物浓度、添加剂用量及种类对膜形态结构的影响。
The influence of polymer concentration, the type of additive and content of additive on the morphological structure has been surveyed by SEM.
研究了放电过程中各单元内电子、氙谐振态浓度分布和其平均浓度随时间的变化情况。
Average density and density distribution of electron and resonance Xenon are presented to study the process of discharge.
用气相色谱-电子捕获器法测定了北京郊区某养鸡场不同生长期的饲养鸡的肌肉、表皮、肝脏、胃、心脏以及鸡蛋、饲料和粪便中hch的残留浓度。
The concentrations of hexachlorocyclohexane isomers (HCHs) in muscle, skin, liver, stomach, heart, eggs, feed and feces of chicken from a poultry farm were determined by GC-ECD.
通过电子探针微区分析和霍尔效应法探测锗杂质及其相关施主和受主浓度的变化。
Electron probe microanalyses and Hall effect were used to measure the variations of Ge dopant and its related donor and acceptor concentrations.
包覆层的厚度和掺杂浓度，以及基底的成分都能显著地影响表面电子态。
The influence of the thickness and concentration of the cap layer, as well as the component of the substrate, on the surface states is also obvious.
通过模拟单基板彩色AC - PD P放电单元的工作情形，给出了单元内电位、电子和离子浓度的分布情况。
By the simulation of discharge evolution in a discharge cell of SSAC-PDP, the space distributions of potential, electrons and ions density with time in a discharge cell ar...
湿度控制对工业生产的许多领域都非常重要，比如在食品和电子工业中，需要通过湿度控制来避免有害的浓度变化。
Humidity control is important in many areas of industry, such as food and electronics, in order to prevent harmful condensation from occurring.
偏压的升高可提高电子平均温度及衬底表面附近氢原子的相对浓度；
The diamond growth rate may be enhanced by the substrate bias due to the changes of atomic hydrogen concentration and the increase of mean electron temperature.
介绍了一种便携式瓦斯浓度监测仪的电子学系统。
An electronic system of the portable gas content monitor is described.
本发明涉及利用包含酶和电子传递物质的反应体系测定葡萄糖浓度的技术。
The present invention relates to a technique for measuring a glucose level by utilizing a reaction system containing an enzyme and an electron carrier.
再用PHI 550型俄歇电子能谱仪测出上述样品金膜中银的浓度剖面分布。
After that the above samples have been analysed by AES (type PHI 550) and silver concentration profiles in the gold films have been obtained.
再用PHI 550型俄歇电子能谱仪测出上述样品金膜中银的浓度剖面分布。
After that the above samples have been analysed by AES (type PHI 550) and silver concentration profiles in the gold films have been obtained.
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