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

述了钨酸钠溶液中除硅、磷、砷原理,并提出了具体操作工艺。

The author devotes the first three chapters to the subject.

作者用前三章述这个问题。

A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.

述了采用液碱(苛性钠溶液)代替氨水生产对氨基-N,N-二甲基苯胺方法。

Finally, this paper states the epurate principle , the focalpoint and the marketing of photocatalyst.

就光触媒净化机理,技术要点以及光触媒产品在国内市场上现状等问题进了述。

The class and function of C subfunction for graphic dimensions mark are elaborated.

述了图形注C语言子函数分类及功能。

In this article, we expatiate the research proceeding on expansin all-roundly.

就此最新研究进展，作一综合述。

Please expound the reasons why you wanna join the XueLang ski club Confraternity.

请述您加入雪浪滑雪俱乐部理由：滑雪！开心！

She spoke eloquently about the need for action.

她雄辩地述了采取必要性。

What is the lead time for production of skiwear?

请述什麽是滑雪服生产订货到交货前置时间。

He explained scientifically the most important questions of political economy.

他科学地述了政治经济学中一些最重要问题。

This paper discusses the lightningproof of the automation system. Several measures for lightning protection are outlined.

摘要本文分析、讨论了自化系统防雷问题，着重述了工厂自化控制系统综合防雷措施。

The main characteristic of roller grindery and the survery of wide-thick plate mill engineering are introduced.

介绍宝钢宽厚板轧机工程概况及磨辊间主要特点,述了宽厚板轧机磨辊间设计中应注意问题。

This paper describes the autofrettage design and test of the cylinder of high pressure jet machine.

述了高压射流机液压缸自增强理论设计和处理试验。

The introduction is mainly about the definition of eponym, and emphasizing its development and synchrony with language.

前言主要是名祖名词定义，述名祖名词发展和存在现状，并强调了名祖名词始终与语言发展共时。

The paper expounded how to synthesizing an organic ferromagnet which contained free radical of nitroxide recent decades.

采用分类综述方法对氮氧自由基类有机铁磁体合成现状进了述。

Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer.

分别述了聚全氟乙丙烯和四氟乙烯全氟代烷基乙烯基醚共聚物结构和力学热学、辐射、化学性能。

The arithmetic to control all kinds of linear dominated sections and resoluble conditions are expatiated in this paper.

述了各类线性控制器相应控制算法，及其可辨识条件。

The Chatacteristics of Contop Smelting Process for cyclone furnace is discussed and make a comparison with silver furnace.

着重述了旋涡炉顶吹炼铜工艺技术特点,并与白银炉工艺指进对比。

This article introduced field assembly of large-scale towers adopting jack,the welding of the shell,heat treating and hydrostatical test.

介绍了大型塔器现场采用千斤顶进组对、焊接、热处理、水压试验,同时对如何解决塔段出现椭圆变形超问题进述。

The paper expounds its defence mechanism from prevention and inhibition of somatic mesoblast,cellular immunity,humoral immunity and temperature rising,and.

从体壁阻抑、细胞免疫和体液免疫以及体温升高4个方面述了昆虫对真菌防御机制及其研究进展。