Oxidation of toluene catalyzed by N – hydroxyphthalimide ( NHPI)/ transitions metals with molecular oxygen in the acetic acid reaction medium was reported.

The single factor experiment results of the carbonic acid reaction show that CO2gas flow, liquid-solid ratio and reaction time are important influence factors for the reaction; Reaction temperature almost has no effect.

碳酸化反应的单因素实验表明，C02气体流量、液固比、反应时间都是影响磷石膏分解渣碳酸化生成CaS的重要影响因素，反应温度几乎不会有影响。

In comparison with other acid reaction systems, the acid modified kaolin obtained from Al2O3/ HCl system showed obvious mesoporous distribution and its mesoporous character was strengthened at higher temperature.

结果表明，多种酸反应体系相比，在Al2O3／HCl体系中形成的酸改性白土具有明显的中孔分布，提高反应温度，中孔特征突出，孔道更加通畅。

METHOD: At particular temperatures in a given environment modification of biological characteristics were carried out by three steps which were surface hydrolyzation, isocyanic acid reaction and hydroxyl introduction.

方法：在特定的环境和温度条件下，对PET编织纤维进行表面水解、异氰酸根反应、羧基接枝三步法的化学改性。

Comparing with tank reactor, three-phase fluidized bed reactor is more advantageous to the carbonic acid reaction of phosphogypsum decomposition slag.

与釜式反应器相比，三相流化床更有利于磷石膏分解渣的碳酸化反应。

It was also found that first derivative spectrometric value of polysaccharide-phenol-sulfuric acid reaction system is directly proportional to the content of polysaccharides.

本文研究还发现多糖苯酚硫酸显色反应体系的一阶导数光谱值与多糖含量成正比，据此建立了苯酚硫酸显色导数光谱分析多糖的方法。

Methods: Cultivate Ganoderma in glycyrrhiza waste residue, and determine the polysaccharose content by phenol-sulfuric acid reaction system.

方法：以甘草渣为培养基质进行灵芝菌的新型固体发酵，采用苯酚&硫酸法测定发酵基质中的多糖含量。

The results show that the zone in the zone has the characteristics of an evident humic property, intense leaching and acid reaction;

研究结果表明：此带土壤腐殖质特性明显，淋溶强烈，呈酸性；

However, the acid-base properties of catalysts do not play a decisive effect for catalytic dehydration of lactic acid reaction.

但总体来看，催化剂的酸碱性能对于乳酸催化脱水制丙烯酸反应的影响不是决定性的因素。

It was a glycoprotein containing 2.7% sugar by phenol-sulfuric acid reaction.

胶原蛋白为一种糖蛋白，经硫酸-苯酚法测定，其含糖量为2.7%。

State of arts: new experimental studies on rock/ acid reaction and its secondary damage mechanism for matrix acidizing

砂岩基质酸化酸岩反应及二次伤害机理试验研究的新方法

The effect of acid reaction variables on the performances of chitin/ chitosan

酸处理条件对甲壳素/壳聚糖的理化性质的影响

An Experimental Study on Gelled Acid Reaction Kinetics

胶凝酸反应动力学试验研究

Application of a New Type of Punched Agitator to Phosphoric Acid Reaction

新型穿流式搅拌桨在湿法磷酸反应器中的应用

The Integrated Experiment Plant of Copper and Thick, Thin Nitric Acid Reaction

铜与浓、稀硝酸反应的一体化实验装备

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.

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。

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

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。

Age, course, fasting and postprandial serum insulin level were no significant difference between diabetic patients with hypoacidity and nomal acidity in gastric fluid ( P> 005).

糖尿病病人中胃酸缺乏组与胃酸正常组相比，年龄、病程、空腹和餐后胰岛素水平无显著性差异（P＞0.05）。

The keto form predominates in many aldehydes and ketones, the enol form in phenols.

在许多醛和酮中酮基都是最主要的组分。

Changes of Plasma Thromboxane B 2 and 6 keto PGF 1 α in Patients With Essential Hypertension Complicated by Hyperinsulinemia

高血压病合并高胰岛素血症患者血浆凝血■烷B2及6－酮－前列腺素F（1α）的变化

However, about 50% yield of pure keto RDX was separated directly via using nitric acid as a nitrating media.

使用纯硝酸硝化剂，RDX酮的得率50%左右。