high absolure photocathode是什么意思

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Review of preparation and analysis of high-purity LiF;

高纯氟化锂的制备与分析方法评述

A new process of high-purity iron oxide red for soft magnetic ferrite use;

软磁铁氧体用高纯氧化铁红制备新工艺

Preparation of high-purity nanosized magnesium hydroxide;

高纯纳米氢氧化镁制备工艺

Preparation of high purity of AZ31B wrought magnesium alloy billets with large size;

大规格AZ31B变形镁合金坯料的高纯净化制备

Preparation of high purity magnesium fluoride in powder form;

粉末状高纯氟化镁的研制

Preparation of nano ferric oxide with high purity;

高纯纳米氧化铁红的制备

Reactor of manufacturing high pure zirconium dioxide by direct calcination;

直接煅烧法制取高纯氧化锆的反应器

Determination of trace elements in high-purity nickel by inductively coupled plasma mass spectrometry with microwave digestion;

微波消解-电感耦合等离子体质谱法测定高纯镍板中痕量元素

Distillation separation-IC determination of trace amount of chloride and nitrate in high purity sulfuric acid;

蒸馏分离-离子色谱法测定BV-Ⅴ级超净高纯硫酸中的痕量氯化物和硝酸盐

At last this paper indicates that the combination of some methods is the best approach of obtaining high purity titanium,and the development of new methods is beneficial to reduction of complexity of process.

详细介绍了高纯钛的应用现状,并对高纯钛的主要生产方法——克劳尔法、碘化法、熔盐电解法、电子束熔炼精炼法等进行了综述,指出只有几种方法结合才能获得纯度要求非常高的高纯钛;研发新的制备方法,克服传统制备工艺的复杂性,提高生产效率,降低生产成本,是高纯钛制备研究的发展方向。

In this paper,combined with thermodynamics and crystal growth theory,the high purity titanium is obtained by chemical vapor deposition process.

本文结合热力学和晶核长大理论,采用 CVD(Chemical Vapor Deposition)法实验提纯钛,并对实验过程的成核热力学因素进行了分析,研究不同温度下化学气相沉积高纯钛的动力学特征,以及不同的动力学控制机制下气相过饱和度和结晶温度对高纯钛的结晶行为的影响。

99%) were prepared by chemical vapor deposition (CVD), then high pure tungsten and polycrystalline tungsten prepared by powder metallurgy (PM) process were impacted using Split Hopkinson Bar (SHB) over a narrow range of strain rates, 1000 s-1~2000 s-1.

采用较低温度下的化学气相沉积技术制备了高纯钨,利用分离式HOPKINSON压杆装置对制备的高纯钨和商用粉末烧结纯钨进行应变率为1000/s~2000/s的冲击加载,对冲击后的样品进行了变形机制对比分析。

Determination of twenty-one trace elements in high purity silver by inductively coupled plasma atomic emission spectrometry after precipitation of silver;

沉淀分离电感耦合等离子体原子发射光谱法测定高纯银中21种痕量元素

Determination of trace Se and Te in high purity silver by inductively coupled plasma mass spectrometer;

ICP-MS法测定高纯银中微量硒碲的研究

Determination of Al,Cu,Cr,Ni and Mn in High Purity Silver by ICP-AES with Micro-Column Preconcentration;

微柱预富集ICP-AES测定高纯银中铝、铜、铬、镍和锰