查询词典 impurity

Temperature, doping and electric field dependent parameters including energy band, impurity and carrier distribution, mobility and PN junction, etc are established The models which is demanded in unification and accordance in accurance, simulation speed, effective range and application efficiency are also obtained 3、Some unique or key low temperature physic effects, such as carrier freeze-out or trapping effect, mobility enhancement effect, steepened subthreshold effect, small dimension effect and heavy injection effect, as well as their influence to the device cryogenic performance are discussed and analyzed Based on the completely understanding of the physic nature and characteristics in low temperatures operation, the technique methods to overcome or to utilize the effects are also presented 4、By systematic analysis of carrier transportation, the device physic analytical model for advanced polysilicon emitter transistor with better cryogenic performance that can be used to simulate the quantity relations between device terminal characteristics and internal structure, doping distribution as well as operation conditions is presented.

建立了依赖于温度、掺杂和电场因子，并且包括材料和结构的各参量数学物理模型，主要包括能带、掺杂及载流子分布、迁移率和PN结等模型，在计算精度、速度、应用范围和使用效率等方面达到和谐统一。 3、深入研究了低温条件下一些特有的或起关键作用的低温物理效应，主要包括载流子冻析或陷阱效应、迁移率增强效应、亚阈性能改善效应、小尺寸效应和大注入效应等，并分析其对器件低温性能的影响，在对低温器件工作的物理本质和特点有深入认识和了解的基础上，找出利用或克服低温物理效应的技术措施。

The main process of metal wire drawing wastewater treatment is removing impurity and demulsification. This article took Saint Electrician production workshop waste wiredrawing fluid (in which, COD content is 11 233 mg/L, pH value is 8.4 and the content of wire drawing oil is 4%) as research object, used chemical demulsification method and through laboratory experiment, adopted electrolyte and coagulant separately to deal with the wastewater.

金属拉丝废水的处理工艺主要过程是去除杂质和破乳，以赛特电工生产车间的废拉丝液为研究对象（COD含量为11 233 mg/L，pH值8.4，拉丝油含量4%），选用化学破乳法，通过实验室实验，分别采用电解质和混凝剂处理废液。

Air-removed filter series is the attached device of the flow meter,which can remover the air and solid impurity so as to ensure the flow metre accuracy and operation life.

消气过滤器是流量计附属设备，它具有消气、过滤液体中固体杂质的作用，从而保证流量计的计量精度，延长流量计的使用寿命。

Using polarizating microscope and reflecting microscope,we have studied the features of microstructure and basic composition of general silica brick and high quality silica brick used for large scale hot air stove and the effect of impurity content and high temperature reburning on microstructure.

用偏光和反光显微镜研究了普通硅砖与大型热风炉用优质硅砖的基本组成和显微结构特征，以及杂质含量和高温重烧对显微结构影响。

Therefore, the content of an alkaline metal such as sodium and potassium that can be incorporated as an impurity into the metallic nickel powders can be significantly reduced.

因此，可以显著降低作为杂质引入金属镍粉中的碱金属如钠和钾的含量。

Extracts , little cucumber extract liquid and almond extracts.Adjust skin's water locking function,keep it in balance state.Helpthe skin to repair, make your skin system be rebuilt , strengthenskin defense function , isolate bad air and impurity from externalenviroment, make skin appear health and brilliant state completely.

特点：蕴含普罗旺斯天然薰衣草精华、小黄瓜萃取液、杏仁精华，调整肌肤锁水功能使其保持平衡状态，帮助恢复和重建受损肌肤，为肌肤修复提供足够养分，使您的皮肤系统得以重建，增强肌肤防御功能，隔离外界不良空气、杂质等，令肌肤呈现健康剔透状态。

Through exploring tests of producing industrial ammonium molybdate from high impurity ammonium concentrate,a comparatively rational and economic method is developed.

通过对一种杂质含量高的钼精矿生产工业级钼酸氨进行探索试验，找到了一种较为合理、经济的方法，该工艺己在生产中得到了应

This work aimed to identify the effects of argon shielding on the impurity gas contents and toughness of submerged arc weld metals.

研究了在埋弧焊过程中采用氩气保护对焊缝氧、氮含量和冲击韧性的影响。

Light character, smooth, containing rich Argan oil and Indian water violet leaves, mildly cleansing daily waste dark cutin, and the impurity causing dark skin.

质地轻盈、柔滑。富含Argan油和印度水堇花瓣成份，温柔清除每日老废黑色角质及造成肤色暗沉的不洁物；印度水堇花瓣美白净化肌肤，均匀肤色，让肌肤清洁纯净、晶莹剔透。

Oil filter, equipped in ubrication system, is mainly in charge of filtering the detrimental impurity in engine oil from oil pan so that the engine oil supplied to bent axle, connecting bar, camshaft and piston ring will be clean and the service life of those parts can be extended.

机油滤清器位于发动机润滑系统中。其作用是对来自油底壳的机油中有害杂质进行滤除，保证供给曲轴、连杆、凸轮轴、增压器、活塞环的机油的清洁，起到润滑、冷却、清洗作用从而延长这些零部件的寿命。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。