酸性反应

多方面研究表明，I3C是通过这些酸性反应产物在体内发挥作用的，因I3C口服给药后具活性，而通过腹腔注射则无活性。

Many studies have shown , I3C has the action in the body through these acid reaction products.I3C has activity through oral medication , but it hasnt activity through intraperitoneal .

并且机械强度不够理想，在体内降解产物产生局部酸性反应等问题。

Its mechanical strength is not ideal , and its degradation products in the body prone to acid reaction .

对不同酸性反应体系对甲壳素醯化反应的影响进行了研究。

The effect of different conditions on variously acylated chitins is researched .

土壤质地多为重壤土至中粘土，呈强酸性反应。

Most of soil texture ranges from clay loam tO loam clay .

酸性反应阶段以缩聚反应为主，形成以亚甲基键或醚键联接大分子体系，聚合状态的甲醛已全部分解，并以甲二醇的形式参与缩聚反应；

At the acid reaction stage the polycondensation reaction was primary and formed the macro-molecule system with the methylene or the ether linkage , and the polymerization formaldehyde decomposed completely , and as the form of methylene glycol participated in condensation reaction .

载体比表面积及孔径对Nb2O5/α-Al2O3催化剂酸性及反应性能的影响

Effect of Specific Surface Area and Pore Diameter of Support on Acidity and Catalytic Performance of Nb_2O_5 / α - Al_2O_3

用IR和TPD方法，研究了长链烯烃与芳烃的烷基化反应的Y型沸石催化剂的酸性对反应的作用。

The acid sites of zeolite Y catalysts for alkylation of aromatics with long-chain alkenes are determined with IR and TPD .

实验表明，酸性脲酶反应是按Michaelis机理进行。

Results show that acid urease catalysed reaction is of Michaelis reaction .

采用常规沉淀法制备了Al-P-Ti-Si-O体系催化剂，并研究了邻苯二酚与乙醇在该催化剂上的气相O-乙基化反应，考察了催化剂组成对催化剂结构、酸性和反应性能的影响。

The catalysts of Al P Ti Si O were prepared by common precipitation method . Vapor phase O ethylation of catechol with ethanol over the synthesized samples was studied .

双偶氮化合物酸性偶合反应的动力学研究

Kinetics of Coupling Reaction of Bis - azo Compound in Acidic Medium

人淋巴细胞酸性酯酶反应的实验观察及临床应用

Clinic Application and Experimental Observation of Acid Esterase Activity in Human Lymphocytes

改性丝光沸石上甲醇胺化的研究&酸性对反应性能的影响

Reactivity of Modified Mordenite in Methanol Amination & Effect of Acidity on Reactivity

酸性脲酶反应动力学研究

Study on the Reaction Kinetics of Acid Urease

会出现一种酸性化学反应。这种反应会使纸变脆和褪色。

An acidic chemical reaction is produced which turns the paper brittle and discolored .

负载金属对SO4~（2-）/ZrO2催化剂超强酸性和反应性能的影响

Effects of Metal Loading on the Superacidity and Catalytic Properties of SO_4 ~ ( 2 - ) / ZrO_2

采用营养液培养方法，研究了对酸性土壤反应不同的玉米基因型根系对铝毒胁迫反应的差异。

The response of maize roots with different genotypes to Al-stress were studied by the means of nutritional cultivation .

雌配子体发育过程中，胚囊周围邻近的珠心细胞退化降解，并出现很高的酸性磷酸酶反应，特别是合点部分最强。

, the nucellar cells adjacent to the embryo sac degenerated and showed high ACPase activity , especially at the chalazal end .

“我们充分认识到的情况是，海洋生物对海洋酸性的反应比我们原以为的要微妙得多、复杂得多，”里斯说。

" The take-home message is that the responses to ocean acidification are going to be a lot more nuanced and complex than we thought ," Ries says .

讨论了场效应对有机化合物的酸性，反应活性及单糖构象稳定性等方面的影响，指出场效应的重要性不能被忽视。

This paper discussed the field effect on the properties of organic compounds in the acidity , reactivity and monose conformation stability and pointed out field effect can 't be ignored .

四氢萘加氢裂化反应的关键步骤和双环化合物裂解的转化率以及单环化合物的产率与两种催化剂担体的酸性及反应温度有关。

The key steps of hydrocracking of tetralin , the conversion of double ring compounds and the yields of mono-ring compounds were affected by the reaction temperature and the acidity of two catalysts .

本文利用铂（Ⅳ）在稀硫酸介质中对溴酸钾氧化酸性品红反应的催化作用，建立了测定痕量铂（Ⅳ）的新型动力学光度法。

A new kinetic spectrophotometric method for the determination of trace platinum (ⅳ) is established by use of the platinum catalysis on the oxidation reaction between acid fuchsine and potassium bromate in dilute sulphuric acid medium .

营养期细胞中，酸性磷酸酶反应颗粒分布在处于不同消化时期的食物泡或自噬泡内，在休眠期细胞中酶反应颗粒定位在自噬泡周缘；

In the vegetative cells , the localization of the reaction particles of acid phosphatase ( ACPase ) was in the food vacuoles or the autophagic vacuoles of different stages , while in the resting they formed the vacuolar or spherical bodies .

重点考察了原料中杂质、反应体系酸性、反应温度对该分子筛活性稳定性的影响以及失活后的醇洗再生效果。

The discussions were focused on the effect of impurities in raw materials , acidity of the reaction system and the reaction temperature on the activity and stability of TS-1 molecular sieve catalyst , as well as the regeneration of the deactivated catalyst by washing with methanol .

甲苯歧化催化剂HM的酸性质和反应动力学

The acid properties and reaction kinetics of toluene disproportionation catalyst HM

影响贮存稳定性的因素有酸性合成阶段反应物的配比、最终产品的pH值、缩合度等。

Factors affected the storage stability include ratio of the reactants , pH value of the end products and degree of condensation .

实验结果显示，麦芽酸性磷酸酶催化反应最适的pH为5.5，最适反应温度为40℃；

The results showed that the catalysis of ACPase from wheat germ had optimal pH ( 5.5 ) and optimal temperature ( 40C );

反应动力学分析表明纳米Cu2O悬浮体系光催化降解酸性品红的反应动力学特征符合一级反应特征模型。

The investigation on dynamics of photocatalytic degradation for Red Acid showed that it was in agreement with one order dynamics model .

采用毛细柱气相色谱分析、酸性甲酯化反应和GC-MS证实等手段对棉铃虫雄蛾味刷抽提物进行了结构鉴定。

Extracts of hairpencils ffom male cotton bollworm moth were analyzed by capillary gas chromatography , acid methanolysis , and GC-MS.

ZrO2/SO4~（2-）固体超强酸催化剂研究（Ⅰ）&酸性和酯化反应

Studies on the ZrO_2 / SO_4 ~ ( 2 - ) Solid Superacid Catalysts (ⅰ)── Acidity and Esterification Reaction

方法：采用离体方法测定血小板活化因子（PAF）诱导的嗜酸性粒细胞反应，整体方法观察嗜酸性粒细胞聚集和释放反应。

Methods : Eosinophil chemotaxis was induced by platelet activating factor ( PAF ) in vitro and eosinophil recruitment and release were determined in vivo .