查询词典 donor impurity

The exciton binding energy and wave function are investigated as functions of well width and the impurity position.

我们有系统地研究激子的束缚能和量子井的宽度、以及杂质的位置的关系。

In the paper,the hazard of impurity and disposal method for gas pipeline are introduced. Suggestions to improve the design,construction and management of valve chamber and blowdown system are put forward.

介绍了长输天然气管道中杂质的来源、危害及处理方法，提出了改进阀室设计、越站设计、排污系统和排污池设计以及管理的工艺方案。

But because of its high moisture content, high oxygen content and some impurity, biomass tar needs to be purified or modified before using it as bunker oil.

生物质焦油150℃以下下层馏分的主要含量为羧酸类和酚类物质等多种有机化合物，具有较高的综合利用潜力。

The effects of degree of carbon deposition and regeneration,catalyst impurities,iso butylene impurity in feed stock as well as operational parameters on carbon deposition of W 201 catalyst for oxydehydrogenation of butene to butadiene have been studied.

从工业应用出发，研究了丁烯氧化脱氢制丁二烯W－201催化剂的结炭数量及再生、催化剂杂质元素分析、原料中异丁烯杂质及操作参数对催化剂结炭的影响等。

The result shows that the main factors,which affect the technical quality of the cathode assembly preparation,are surface oxidization of emissive layer,impurity pollution,doped concentration nonuniform,less variation of doped concentration gradient,the sticking stress of GaAs and glass,and the main factors,which affect the cathode activation,are the degree of vacuum for activation at lower than 8x10-8Pa,the partial pressure of H2O,CO,CO2 and C in the vacuum residial gas at higher than 10-8 Pa and the improper caesium and oxygen refining.

结果表明，影响台外工艺质量的主要因素是外延材料缺陷多、发射层表面氧化、杂质污染、掺杂浓度不均匀、掺杂浓度陡度变化小及GaAs与玻璃粘接产生的应力大；影响台内工艺质量的主要因素为阴极激活真空度低于8×10-8Pa。真空残气H2O.CO.CO2及C分压大于10-8Pa。阴极激活铯和氧源提纯不彻底。

Long time, blanket a surface area of fatvolume, the impurity of case-hardened and cannot be cleared in business card printing and membership card making absorption of moisture on the surface of the plate after expansion of its surface marks which are subsequently deformed.

来因3：由于操纵职员自身，不有能准时积压橡皮布暗地的杂量，工夫不暂了，橡皮布暗地积了厚厚一层杂量，其暗地强硬，无法积压肮脏，在制卡和会员卡制作历程洋汲取印版暗地的水分后爆发扩张，其暗地的笔迹随之变形。

Said that the project's main raw material prices Products similar products only the main raw material for the price of 1 / 4 or so, but the product prices higher than similar products more than doubled at the same time, in the china clay processing, in addition to impurity removal Featured things, without going through any process in addition to iron, you can simplify the processing of raw materials, saving time and energy.

苏局长说，该项目的主要原料价格只有同类产品的产品的主要原材料价格的1 / 4左右，但比多在同一时间增加一倍同类产品的产品价格上涨在中国粘土处理，除了除杂特色的东西，没有经过任何除铁过程中去，可以简化原材料加工，节省时间和精力。

In ammonium perchlorate production,chlorate impurity in the raw material will influence the thermostability of AP.

在高氯酸铵生产中，原料高氯酸钠中所含的氯酸盐杂质量过大，会影响AP的热稳定性。

The mass content of sodium chlorate impurity in sodium perchlorate solution can finally decrease to lower extent.

在高氯酸铵生产中，原料高氯酸钠中所含的氯酸盐杂质量过大，会影响AP的热稳定性。

The method can be used to determine the small molecular weight impurity in the Chondroitin Sulfate injection.

本方法可作为硫酸软骨素注射液小分子杂质的检测方法。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。