查询词典 refining

The company is headquartered in Philadelphia, Pennsylvania, in its 110 years of history, has been engaged in oil and gas extraction and refining, production and sale of various petroleum products.

公司总部位于宾夕法尼亚的费城，在其110多年的历史中，一直从事石油天然气的开采和炼制，生产和销售各类石油产品。

The field bus control system was introduced into the process of oil refining.

将现场总线控制系统应用到炼油装置生产过程中。

An important new industry, oil refining, grew after the Civil War.

一种重要的新兴工业--炼油业在国内战争后成长起来。

This traditional areas such as oil refining, automobile manufacturing, machinery processing, mining, and other more applicable.

这对于传统领域如石油炼化、汽车制造、机械加工、采矿等较为适用。

Our goal is to, oil refining process operation is more simple, more energy-efficient, safer, more environmentally friendly.

我们的目标是，炼油工艺操作更简捷、更节能、更安全、更环保。

Online measurement of water content in petroleum is a significant procedure during oil mining and oil refining process.

含水率在线测量在石油开采和加工生产过程中有着重要的意义。

It has always been a big challenge to treat the sludge which were produced from the oil refining wastewater treatment.

在炼油废水处理过程中产生的三泥一直是困扰炼油废水处理的一大难题。

Its products are widely used in electric power, oil refining, chemical industry, papermaking, medicine, food, construction and other industries.

其产品广泛应用于电力、炼油、化工、造纸、医药、食品、城建等行业。

By refining methods steels can be divided into three classes: open-hearth furnace steel, converter steel, and electric furnace steel.

按冶炼方法，钢可分为平炉钢、转炉钢和电炉钢。

So in order to improve the convergence of Ritz vectors, firstly, refining -strategy is applied to the Davidson method in this paper. The process restarts with the refined Ritz vectors as the initial vectors, and then we get the refined block Davidson method. By analyzing the convergence of the new method, we give the theorem of it.

为了改善Ritz向量的收敛性，本文首先在块Davidson方法的执行过程中，运用精化策略，求出相应的精化向量并将其作为初始向量进行重新开始过程，由此得到了精化块Davidson方法，并对精化块Davidson方法进行了收敛性分析；其次，本文将精化块Davidson方法结合收缩技术，提出了收缩的精化块Davidson方法。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。