tungsten的例句大全

Additionally, the factors such as the ultrasonic conditions, the use of absolute ethyl alcohol, the abstersion and desiccation of the separated precipitation and the conditions of calcinations, which have influence on the preparation of the tungsten trioxide nanoparticles, have been discussed also.

讨论了超声条件、无水乙醇的使用、沉淀的分离洗涤与干燥以及煅烧条件等因素对制备WO3纳米颗粒的影响。

The advantages of tungsten micro-coil are: ( 1) easily detected radiographically;

这种微弹簧圈的优点是：（1）在荧屏上清晰可见，避免了线段栓塞的盲目性；

Gas desorption behavior of plasma facing material for tungsten coating

钨涂层面对等离子体材料出气性能的研究

Tungsten ( W) is presently a so good candidate plasma facing material for nuclear fusion reactor because of its high melting point, high thermal conductivity, low sputtering yield and low tritium retention capability.

钨具有高熔点、高导热、低溅射产额和低氚滞留性能，是核聚变堆最有希望的面对等离子体第一壁材料。

Tungsten is expected to become next strategic metal under state focus rectification to solve the problem of long-term blind competition.

钨有望成为下一种国家重点整治的战略金属，从而解决长期以来盲目竞争的问题。

CW visible vertical cavity surface emitting laser ( VCSEL) operated at room temperature is fabricated by four time proton bombardment technology using tungsten wires as a mask.

利用钨丝掩膜质子轰击工艺制造出一种室温条件下可连续工作的可见光垂直腔面发射激光器。

The tungsten oxide films with catalyst by two methods were characterized by X-diffractometer, tunnel scan-atomic force microscope, FT-IR, double-beam UV-VIS-NIR spectrophotometer and speediness volt-ampere cycle meter.

本文分别用X衍射仪、隧道-原子力显微镜、傅立叶变换红外光谱仪、双束紫外可见分光光度计、快速伏安循环法等表征了用以上两种方法制备的三氧化钨掺杂薄膜。

Description is made of the present status of alkali autoclave process for tungsten metallurgy.

概述了我国钨冶炼碱压煮工艺的现状.

Tungsten carbide welding rod is a raw material for the crane.

碳化钨电焊条是一种用于起重机的原材料.

We use the ultra fime grain tungsten carbide material imported from GERMANY for producing the drills.

本公司的产品是采用德国进口的超微粒碳化钨钢素材,以提升钻头的切削性能.

Our main products are Silicon Carbide, Alumina Ceramic, Tungsten Carbide, and Carbon-Graphite Seal Rings.

我们的主要产品是碳化硅 、 硬质合金 、 碳石墨密封环和氧化铝陶瓷制品.

In this research, catalytic activity of nano-sized tungsten carbide was preliminarily studied through hydrogenation of benzene.

本课题中, 通过对苯加氢反应的实验,研究了纳米碳化钨粉末在反应中的催化性能.

So, tungsten carbide has been universally studied as a new promising platinum-like catalyst.

因此碳化钨被认为是一种很有前途的、可以用来替代铂的类铂催化剂而被广为研究.

Their lifetime can be prolonged if they are repaired with cast tungsten carbide powder.

采用铸造碳化钨修补后,可以延长使用寿命.

Cast tungsten carbide powder is silver grey in outward appearance and multi-prism spray weldingspray coating.

粉状铸造碳化钨合金粉的外观呈银灰色,外形为多棱状.

An ultra fine cemented carbide with tungsten powder and binder cobalt.

一种由碳化钨和粘结金属钴组成的超细颗粒硬质合金.

Determination of thorium dioxide in thorium-tungsten alloys& Weight method

GB/T3312-1982钨钍合金中二氧化钍的测定重量法

Tribological Characteristics of the Tungsten Disulfide Motor Oil

二硫化钨发动机油的摩擦学性能研究

The experiments indicate that the tungsten disulfide motor oil has the better antiwear, antifriction and extreme pressure properties than the well-known motor oil.

实验表明二硫化钨发动机油具有比国内外品牌发动机油更加优良的抗磨、减摩和极压性能。

The electron emission performance of liquid-liquid doping material was studied with emission surveyor designed in our laboratory. The effect of the doping method on the property and structure of tungsten cathode material was emphasized.

在自行设计的发射测量设备上，研究了液液掺杂材料的电子发射性能，着重阐述了掺杂方式对材料发射性能和结构的影响；