silicon 四级六级考研

The hydrated silicon dioxide with three layers structure of micron-submicron-millimicron was observed through TEM.

通过电镜实验,观察到水合二氧化具有微米亚微米纳米三次构。

This company pioneered the use of silicon chip.

这家公司开创了用片的方法。

Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.

阐述了钨酸钠溶液中除、磷、砷的原理,并提出了具体的操作工艺。

Fluorine, one of the necessary trace elements of human beings is presented in the forms of inorganic and organic compounds in foods, such as sodium fluoride, silicon fluoride, and fluoroacetate etc.

氟是人体必需的微量元,通常以各种多元无机态或有机态形式存在。

Pot door is sealed up with gasing type silicon rubber , is sealed and reliable , the length of service life is changed per 3 years one time.

锅门采用充气式橡胶密封，密封可靠，用寿命长，每三年更换次。

Thewater vapor oxidation is take the high pure water steam as theoxidizing atmosphere, responds the production silicon dioxide by thesilicon chip surface silicon atom and the hydrone.

水汽氧化是以高纯水蒸汽为氧化气氛，由片表面的原子和水分子反应生成二氧化。

Trading company and camphane head (KANTO) the price of silicon manganese contract of the 3rd quarter between rolling mill of area electric power already stayed in 7000..

贸易公司与莰头（KANTO）地区电力轧钢厂间第3季度的锰合同价格已停留在7000.

You cannot unhitch the technology of TV from the many hosts it depends on: radio, silicon transistors, LCD screens, cameras, artificial lighting, and electrical generation.

你不能将电视剥离出它所依存的这切：电视台、体管、液显示屏、摄影机、人工照明和发电业。

Pure single crystal silicon, as an important semiconductor, has already been used in many areas, such as molectron, computer technology, communication technology and automatic technology.

高纯的单是种重要的半导体材料，在很多领域都有广泛应用，比如集成电路、电脑技术、通讯技术、自动化技术等领域。

Several amorphic carbon films with different thickness were deposited on single crystal silicon by means of pulse laser ablating graphet target at room temprature.

用激光烧蚀石墨靶方法在单衬底表面沉积了不同厚度的非碳膜。

The silicon light emitting device also can be used as a photoreceiver under reverse bias, receiving the light emitted from the other one.

此发光元件在反偏下也可当成光接收元件，接收来自同构顺偏元件所发出的光。

It is useful generally that coat flat silicon panniculus adiposus to repair provisionally on the surfaces which discharge when external discharge phenomenon occur.

如果出现外部放电现象，在放电表面涂层脂膜作为临时修补，常常是有效的。

The variation laws of blast volume,blast pressure,recarburizing rate and silicon loss were studied during the melting process of 5 t cold blast cupola.

研究了5t冷风冲天炉熔炼过程中,风量、风压、增碳率和烧损率随熔炼时间的变化规律。

The pyrolysis membranes from silicon resin would be applied to membrane reactors, owing to its higher resistance to temperature and better permselectivity.

树脂裂解膜由于它能耐较高温度,具有较好的选择透过性,因而它在膜反应器方面具有广阔的应用前景。

The new methods mainly contain the adsorption of natural materials, modification materials, humic acids, biosorption, quod of silicon micro encapsulization and nanotechnology.

主要包括天然材料、改性材料的吸附,生物吸附,微囊技术和纳米技术等。

Writer discusses also the characteristic of silicon nitrid ceramic materials,and chooses this ceramic bearing used in the bottom of the reactor above.

论述了氮化陶瓷材料的特点，选择了氮化陶瓷轴承作为有机室温胶搅拌釜底轴承并进行了相应设计。

Determine with the gaseous phase chromatograph of the electron catching device of little pool after the silicon alkanisation,mark legal quantity outside.

烷化后用微池电子捕获器的气相色谱仪进行测定,外标法定量。

Determination of silicon content.Gravimetric method.

[中/外文标准名称]: Ferronickel.

The microprocessor,which can be contained on a single silicon chip, is a product of the microminiaturization of electronic circuitry.

个片便可包容的微处理器是种微型化电子电路产品。

And the azotized silicon product has won the honorary title of national new product for the year of 1995.

氮化制品获得1995年度国家级新产品荣誉称号。