reaction substance

The best reaction process conditions as proportion of reacting substance and reaction time, which affected the production rate, were examined.

用红外分光光度计对合成产物进行结构表征，并分析合成反应机理。

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。

This paper provides some factor to influent electric reducing reaction of organic substance.

介绍了影响有机电还原的因素.

Catalyst: Any substance of which a small proportion notably affects the reaction rate of a chemical reaction without itself Being changed or consumed.

催化剂：化学术语，能增加反应速率而其本身并不消耗的一种物质。

The reaction mechanism of organic substance removal from water by Ozonization

水中有机物臭氧化去除反应机理

A substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.

反应体，反应物：参加化学反应的物质，特别是指从一开始就参加反应并直接反应的物质。

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；

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。

The number of infiltrating T-cells and macrophages was significantly larger in the treated group than in the control ( P < 0.05 to 0.01), which might be due to an immune reaction against certain antigenic substance released by the cancerous cells after treatment.

治疗组肿瘤内T细胞和巨噬细胞明显多于未治疗组（P＜0.05或P＜0.01）。这可能是机体对治疗后癌细胞所释放的某种抗原物质的一种免疫反应。

The serum reaction between the isolation substance and WMV-2 was positive by ELISA.

ELISA测定该分离物与西瓜花叶病毒2号（WMV-2）的抗血清学反应为阳性。

Macroporous resin purified the saponins. UV spectrophotometric is used to assay saponin content after the vanillin acetic acid-perchloric acid color reaction when the standard substance is Astragaloside.

大孔吸附树脂纯化皂苷，以黄芪甲苷为对照品，香草醛乙酸&高氯酸显色反应后，紫外分光光度法测定皂苷含量。

A catalyst is a substance which speeds up a chemical reaction.

催化剂是一种能加速化学反应的物质.

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。

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。

With the growing interest in ozonization practice as applied in water treatment, it becomes important to study the reaction mechanism of organic substance removal from water by ozonization.

随着臭氧化在水处理技术中应用日益增多，研究臭氧化去除水中有机物的机理日显重要。

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。

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

以无毒的聚乙烯醇（PVA）为原料，控制适当反应条件，将其氧化为聚乙烯酮（PVK）。

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。

The Peak Current for a Quasi-reversible Interfacial Reaction of an Adsorbed Substance and Its Verification

吸附物准可逆表面反应示波极谱峰电流及其验证

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。

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。

A chemical substance that prevents or slows a cathodic or reduction reaction.

一种阻止或减缓阴极反应的化学物质.

N-guanylurea dinitramide ( GUDN) was synthesized with N-guanylurea hydrochloride as primary substance by hydrolysis and double decomposition reaction in turn and the overall yield of GUDN is79%.

以盐酸脒基脲为原料，通过水解、复分解反应，合成了N-脒基脲二硝酰胺盐（GUDN），总收率可达79%。