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In the method, a optimization model of a ventilating network is put forward by taking the minimizing squared sum of algebraic sum of the ventilation pressure of all branches in a independent circuit shoot all independent circuits as object function, therefore a new algorithm of ventilation network optimization is obtained.

该方法通过使所有独立回路分支风压代数和的平方和最小化的方法，建立了通风网络解算优化模型，并用梯度法对该模型进行解算，获得了一种新的风网解算算法。

It was therefore ironic that his most famous achievement was to build a typewriter at the request of the defence lawyers for Alger Hiss, who was accused in 1948 of spying for the Soviet Union.

因此，极具讽刺意味的是，泰特尔最著名的成就是应Alger Hiss的辩护律师的请求制造一台打字机。1948年，Alger Hiss被指控是苏联的间谍，他的律师想证明打字机能够被制造的非常相像，用以诽谤某人。

In normal cases, therefore, a alid offer and a alid acceptance of that offer must be indentified.

因此在一般的案件中，必须对有效要约和与要约对应的承诺加以识别

In addition to the maintaining of the functions of mother and child's cardiovascular system. Sufficiency supply alimentation of high quality nutritional oils the mother and child required during pregnancy. Therefore, the highly nutritious tea seed oil is important to the proper growth of a fetus.

孕妇吃易消化、高营养的茶叶籽油可减轻消化系统的负担，轻松解决孕妇便秘，促进人体新陈代谢，维护母子心血管系统的正常功能，充分补充妊娠期间母子所需的高质量油脂营养，对胎儿的正常发育十分有益。

Therefore, they make people keep healthy and prolong life only keeping alkalescence at the time of supplementing water in the cells and strengthening anti-oxidative capacity.

所以只有在补充细胞内水份的同时保持弱碱性，并增强抗氧化能力才能使人保持健康、延年益寿。

Therefore, the toxicity of 1, 5, 6 is lower than the crude alkaloid's.

因此，生物碱单体1，5，6具有比总碱更小的毒性。

Therefore, the study on bifunctional catalysts and their application in alkane conversion is necessary.

因此，对催化烃转化反应的双功能催化剂的研究就显得十分重要。

The technical conditions for recovering cyanide from agrochemical waste water by liquid-film method is studied,and the various surfactants and kerosm as oil phase and alkine liquid as liquid phase affecting the cyanide waste water treatment are tested.Therefore, the oPtimum process conditions are determined.

研究了液膜法回收农药废水中氰化物的工艺条件，考查了以不同表面活性剂、煤油等为油相组分，碱液作内相的乳状液，对连云港市第二农药厂合氰废水的处理效果，确定了最佳的工艺条件。

Therefore, Pollock turned to synthetic resin-based paints called alkyd enamels, which, at that time, was a novel medium.

因此，波洛克转向合成树脂为基础的涂料称为醇酸瓷漆，这在当时是一种新的媒介。

During the reaction of alkylation, general contained 0.2%~2.0% butadiene will produce viscous heavy composite materials, which will raise final boiling point of alkylate and decrease octane, what is more, it will react with acid to produce corresponding ester, which will increase the consumption of acid, Therefore, we must remove butadiene by selective hydrogenation, at the same time, it will convert some of 1- butane to 2- butane by isomerization and raise octane of alkylate.

一般含有0.2%~2.0%的丁二烯，其在烷基化反应中，可生成一种分子量很高的粘稠重质迭合物，使烷基化油的干点升高，辛烷值降低，并且它还和酸反应生成相应的酯而加大酸耗量。因此必须经过选择性加氢除掉丁二烯，同时，将部分1-丁烯异构化为2-丁烯，以提高烷基化油的辛烷值。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。