Polyketene ( PVK) was synthesized by oxidation reaction using nontoxic substance polyvinyl alcohol ( PVA) as material and H2O2 as oxidant under suitable conditions.

The experiment of A substances in anti-raw fluorescent irradiation by UV A reaction to a substance to achieve analog control of attached algae.

本文的实验内容主要是研究A物质在日光灯的照射下反生紫外光催化A物质反应，实现对附着水藻的模拟控制。

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The results showed that the photocatalytic reaction agent A substance attached to the growth of algae with good inhibitory effect on the water bodies.

实验结果表明光催化反应剂A物质对水体中附着藻类的生长具有良好的抑制效果。

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Although the material determines consciousness, but awareness of the reaction to the substance can not be underestimated.

物质虽然决定意识，但意识对物质的反作用不可以小觑。

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The condition of not being normal. An allergy is an unusually strong reaction to a substance.

反常，变态不正常的状态过敏是一种对某种物质不正常的强烈反应。

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An allergy is an unusually strong reaction to a substance.

过敏是一种对某种物质不正常的强烈反应。

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Alcoholic fermentation is a biochemical reaction Process with substance transferring.

酒精发酵是一个伴有物质传递的生化反应过程。

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In male, three kinds of sex steroid receptors were distributed in the spermatogonia, spermatocytes and spermatids ( except estrogen receptor), and the positive reaction ( substance) was localized in the cytoplasm and nucleus of these spermatogenic cells.

在雄性，3种类固醇激素受体分布在不同发育时期的精原细胞、精母细胞和精子细胞（雌激素受体例外）中，受体阳性物定位在胞质和核。

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The results showed that the IgA~+-cell and IgA positive reaction substance were located in the tip of villus, lamina propria, surround intestinal gland, and lymphatic nodule of cecum.

结果表明：IgA+浆细胞及阳性物质散在分布于小肠绒毛顶端，固有层、肠腺周围以及盲肠黏膜固有层和盲肠扁桃体的淋巴小结周围。

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Slow reaction substance of anaphylaxis ( SRS-A) release from lung tissues of the sensitized guinea pigs after antigen challenge was examined by bioassay.

用生物检定法评价两者对致敏豚鼠肺组织抗原攻击释放过敏性慢反应物质（SRS-A）的抑制作用；

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π-nuclear double charge exchange reaction and nuclear structure

π核双电荷交换反应与核结构

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Furthermore the reaction mechanism and structure of organic sulfur was also discussed.

脱除的硫主要以硫化氢形式析出。本文还讨论了热解脱硫机理和有机硫的结构。

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The earthquake reaction of the structure was studied.

研究结构在地震作用下的反应。

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As its span increases, when the arch ribs are conveyed is also increscent, the difficulty of conveying increases. And the load reaction of structure is more complex; the stabilization is very important to the structure during construction loading.

随着跨径的增大，其主拱肋吊装难度也随之加大，主拱肋合龙后施工加载期结构受力更为复杂，稳定问题尤其突出。

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Experiments with several types of carboxylic acid have been done to inquire into their reactions with potassium permanganate solution so as to find out the changes affected by different density of reactor, temperature of reaction and structure of carboxylic acid.

摘要以几种不同类型的羧酸为例进行羧酸与高锰酸钾溶液反应的实验探究，分析了反应物的浓度、反应的温度及羧酸结构对反应的影响。

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The paper concerning finite element analysis and study on beam under vibration equipment, through which the finite analysis module is set up. Based on model reasonableness analysis, the method which effectively controls dynamic reaction of structure system is studied.

对选煤厂动力设备下梁进行了有限元分析研究，建立了梁的有限元分析模，分析了模型的合理性，探讨了控制结构体系动力反应的有效方法。

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The varieties of phenolic resin, characters, synthesizing, solidification reaction, structure analysis of resin, main problem in application and development direction of phenolic resin used for casting have been reviewed in this paper.

本文中，从铸造用酚醛树脂的种类、性能特征、树脂的合成及固化、结构分析、目前铸造用树脂中存在的主要问题及发展方向等方面概述了铸造用酚醛树脂粘结剂研究的进展。

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Transesterification reaction, structure and properties of PET/ PEN melt blended samples were studied by 1H NMR, WAXS, DSC, DMTA and mechanical tests.

通过~1H NMR、WAXS、DSC、DMTA以及静态力学性能测试，对PET／PEN共混物的酯交换反应、共混物的结构和性能进行了研究。

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A series of elastic spring were used to simulate the soil reaction to structure and a equivalent linear iterative approach was used for simulating the soil nonlinear behavior in the finite element analysis in this paper.

在有限元分析中，本文采用一系列弹性弹簧单元模拟土作用，通过反复的等效线性迭代过程模拟土对结构的非线性。

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At first, for examining the influence of soil reaction to structure the analysis was made up of two parts that one is taking account of soil-structure reaction in analysis and the other is the opposition.

首先，为了考察土体－结构的作用对结构的动力特性影响程度，分析了不考虑土体对结构作用和考虑土体对结构作用两种情况下结构的模态；

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A numerical computation is presented for the reaction zone structure of a turbulent, gaseous, reacting hydrogen chloride jet submerged in an aqueous ammonia bath.

介绍HC1气体以湍流浸没喷入NH3水溶液容器内而发生化学反应的反应区结构的数值计算。

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