Release of Aluminum in Acid Soil and Its Effects on Plant Growth

Study the Effects of Soil Improvement on Acid Soil in the South of China

不同土壤改良剂对南方酸性土壤的改良效果研究

Extraction System for Available Forms of 20 Elements in Acid Soil

酸性土壤中20种元素有效态浸提体系浅析

These plants prefer an acid soil.

这些植物喜欢酸性土壤。

The solid to liquid ratio does not make much difference to the fraction product recovery. The total mass of sludge decreases by 25.4% after incineration and acid reaction, which is propitious to reduce the cost of sludge disposal.

同时污泥经灼烧酸溶后总质量减少25.4%，污泥减量化有利于降低污泥处置成本。

First, the acrylic acid reaction with the dicyclopentadiene dioxide generated the acrylate, then the nano-SiO2 particles of different quality which is treated by silane is dispersion to the system, composites are got through curing.

首先，以丙烯酸和二氧化双环戊二烯为原料，反应生成二氧化双环戊二烯丙烯酸酯，再把硅烷偶联剂处理过的不同质量的纳米Si02粒子分散到该体系中，固化制得复合材料。

Lipid peroxides measured by malondialdehyde-thiobarbituric acid reaction increased significantly in cerebral cortex homogenate and mitochondria, hypothalamus homogenate, and liver microsomes of electric shocked male rats ( P < 0.05).

长期电击后19月龄的雄性大鼠大脑皮层匀浆和线粒体、下丘脑匀浆以及肝微粒体的过氧化脂质（TBA反应测定）明显升高（P

The results showed that the tetrahedron Al formed in the process of kaolin's phase transformation directly resulted in the acid reaction activity of meta kaolin which was found to be maximum at 850 ℃.

结果表明，高岭土偏高岭土化过程中形成的四面体铝是偏高岭土具有酸反应活性的直接原因，在850℃左右活性达到最高。

The paper points out the lack in the copper and thick, thin nitric acid reaction experiment, analyzes the difference in the two experiments, introduces the integrated experiment plant, experimental method and strongpoint.

指出了铜与浓、稀硝酸反应实验的不足，分析了两实验的异同点，介绍了铜与浓、稀硝酸反应的一体化实验装置、实验方法及实验优点。

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

报道了以N–羟基邻苯二甲酰亚胺（NHPI）/过渡金属为催化剂，乙酸为反应介质，氧气为氧化剂，催化甲苯氧化。

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