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chemical method相关的网络例句

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To extract mulberry processing fiber from mulberry bast,chemical and bio- chemical degumming method s were adopted in the aegumming test.

为从桑树韧皮中提取出桑皮工艺纤维,对桑树韧皮采用化学脱胶法和生物-化学联合脱胶法分别进行了脱胶试验。

The correlation between constituent chemical bonds and dielectric properties of these crystals was analyzed using the proposed chemical bond method.

采用已建立的化学键方法,分析了这些晶体的介电性质与其组成化学键之间的关系。

So, this text proceeds with characteristic of teaching of game, the game teaching of preliminary research employs the situation and employs the principle in the chemical classer , Hope to offer a teaching method of enlivening the atmosphere of the classroom for chemical classroom instructions of grade nine.

因此,本文从游戏教学的特点入手,初步研究游戏教学在初中化学课堂中应用情况及应用原则。希望能够为九年级化学课堂教学提供一个活跃课堂气氛的教学方法。

Professor Green of the Department of Chemical Engineering under the Massachusetts Institute of Technology has proposed an adaptive chemistry concept, under which by the use of a consistent splitting method conservation equations can be divided into two organic parts, namely, a chemical equation and a flow equation.

麻省理工学院化工系的Green教授提出了自适应化学理论AdapChem的概念,它采用相容分割法将守恒方程划分为化学方程和流动方程两个有机的部分。

New type of water chemistry for utility drum boiler and its principle and characteristic Two kinds of water chemistry's main principle and characteristic are detailedly analyzed. Against the problem of high eroding speed, high Fe content in feed water and boiler water, high scaling speed, short chemical cleaning interval, needing poisonous chemical deoxidant, etc for drum boiler's deoxidization water chemistry and difficulty of using oxidation water chemistry, a new type of water chemistry is put forward on the basis of analyzing the characteristic of whole power station's water steam cycle system, principle of two kinds of water chemistry and their practical effect in every cycle stage. Considering two water chemistry's merit, a new water chemistry called Limited Oxidation Water Chemistry is put forward, which is a local slight oxidization no-deoxidant water chemistry. And the proposed method's principle, control parameter, applying condition, start-lay up and emergency measures are initially calculated and analyzed.

三、新型汽包炉水化学工况的提出及其原理和特点详细分析了国内外现行两大类水化学工况处理的核心原理和特点,针对现行汽包炉还原性水化学工况处理所存在的系统腐蚀速度相对较大、给水和炉水铁浓度高、锅炉结垢速度快、机组酸洗间隔短、无法避免有毒化学除氧剂的使用以及氧化性水化学工况在汽包炉机组上应用的困难等问题,在详细分析电站整个水蒸汽循环系统的特点、两类水工况处理的原理和对循环中各段处理的实际效果等的基础上,综合两者的优点,提出了一种新型的局部轻微氧化性无除氧剂汽包炉水化学工况-"汽包炉有限氧化性水化学工况"处理原理,并初步计算、分析和确定了该种新型水化学工况的主要工艺控制参数、应用条件、启停与紧急情况处理等。

But it is difficult to find a perfect method to control drum boiler's corrosion. Now deoxidization water chemistry for drum boiler has the characteristics of high corrosion speed, high Fe content in feedwater and boiler water, high scaling speed, short chemical cleaning interval and needing poisonous chemical deoxidant, etc.

火力发电站由于大量使用金属材料,并且金属材料的使用环境大都接近其极限使用条件,因而常由腐蚀而引发事故,造成重大损失。

Southerly chemical sodium salt reserves of the world's resources, in the chlor-alkali, on the application of a wide range of industries, sulfur prices, high cost of sulfuric acid, using Glauber's salt potassium sulfate system, such as the value of barium sulfate sulfate product is the most economical method, also developed chemical southerly "Dead Sea" floating black mud bath and leisure projects.

南风化工硫酸钠盐的资源储量居世界第一,在氯碱、日化行业中应用广泛,硫磺价格高涨,硫酸成本高,用芒硝制硫酸钾、硫酸钡等高值硫酸盐产品是最经济的方法,南风化工还开发"死海"漂浮和黑泥浴休闲度假项目。

Then the pile-soil stress characteristics and stabilizing mechanism of the composite foundation are fully discussed. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. Moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. Then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied. And methods to decide pile-soil stress ratio and the compressive modulus are developed. Meanwhile, the corresponding design method and the design parameters are proposed. In addition, studies for construction technique and quality detection of the chemical churning pile composite foundation are presented.

在此基础上深入探讨了旋喷桩的桩土受力特性及其复合地基的加固机理,从影响旋喷桩复合地基竖向承载力的因素入手,基于圆孔扩张理论给出了桩体竖向应力及旋喷桩复合地基的竖向承载力计算公式;通过对喷射浆液、喷射压力选取、喷射直径估算、桩长及桩位设计等各种计算参数的深入分析和研究,提出了一套相应的旋喷桩复合地基设计计算方法;通过计算分析,深入探讨了旋喷桩复合地基变形随荷载变化规律、桩和桩间土变形协调关系、桩土应力比及复合地基压缩模量的确定,并提出相应的设计方法和修正参数;此外,结合工程应用,对旋喷桩复合地基的施工技术及其现场质量检测方法进行了较全面的探讨。

The isopiestic method for multicomponent saturated solutions combines isotonic equilibrations with chemical analyses and determines the solubilities of saturated solutes and water activities simultaneously, which makes sure that the experimental solubilities and water activity refer to the true thermodynamic equilibrium and the most precise chemical analyses.

多元饱和溶液的等压法将等压平衡与化学分析统一起来,同时测定饱和溶质的溶解度和水活度,可以确保溶解度和水活度的实验值是由可靠的热力学平衡和精确化学分析确定的。

This thesis deals with the investigation on the chemical constituents of Dioscorea Opposite Thunb and studys the interactions between 5,7-dihydroxy-4′-methoxy flavanone,-epicatechin and bovine serum albumin using fluorescence, electrochemical method ,UV absorption and NMR spectroscopy. The main contents are as follows: Chapter 1: Study of the chemical constituents in Dioscorea opposita Thunb 1. Two methods were used to methylate the fatty acid in Dioscorea opposita Thunb.

本文在前人的工作基础上对我省道地药材-怀山药饮片中的化学成分进行了系统的研究;同时利用核磁共振方法、电化学分析法、荧光光谱法、紫外光谱法分别研究了两种天然酚性化合物5,7-二羟基-4′-甲氧基二氢黄酮,(--表儿茶素与牛血清白蛋白之间的相互作用,主要内容如下:一。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。