您要查找的是不是：
- In addition, the effects of temperature and concentration of sulfuric acid on the concentration of LA and 5-hydroxymethyl furfural (HMF) were shown. 实验考察了不同温度和硫酸浓度对葡萄糖分解的主要产物5-羟甲基糠醛和乙酰丙酸浓度的影响。
- A Study on the Kinetics of Leaching the Residues from the Neutral Leaching Process with High Concentration of Sulfuric Acid at High Temperature 锌焙砂中浸渣高温高酸浸出动力学研究
- concentration of sulfuric acid 硫酸的浓缩
- A corrosive solution of sulfur trioxide in sulfuric acid. 发烟硫酸含三氧化硫酸的一种腐蚀性溶液
- Different instrument element materials were chosen to measure different concentration and temperature sulfuric acid because of sulfuric acid's corrosion. 摘要由于硫酸具有腐蚀性，因此测量不同浓度和温度的硫酸的仪表材料的选择也不同。
- A titrimetric method has been developed for rapid determination of the concentration of chromic anhydride and sulfuric acid in ABS roughing solution. 介绍了一种快速测定ABS粗化液中铬酐与硫酸浓度的方法。
- Crystalline Rare Earth Carbonate Precipitating from Leaching Solution of Sulfuric Acid Calcinating Concentrate of Rare Earth 从精矿浓硫酸焙烧水浸液中沉淀晶型碳酸稀土
- The activity of the first hydrogen ion is similar to those from sulfuric acid and can be used to analyze the concentration of chromic anhydride and sulfuric acid. 第一个氢离子的活跃程度与硫酸释放出来的氢离子相近,可用来分析铬酐与硫酸的总浓度;第二个氢离子用来分析铬酐的浓度。
- The concentration of waste sulfuric acid increased from 20% to 37% by using steam heat in a equipment and 80% H2SO4 which would be used to decompound ilmenite was obtained by mixing with 98% H2SO4. 摘要在废酸浓缩装置中利用水蒸汽加热钛白生产过程中产生的废硫酸，使其质量分数由20%25提高到37%25，与98%25的硫酸混合配制成80%25的硫酸，作为酸解钛矿的操作酸。
- The availability and cost of sulfuric acid are highly important factors in the production of wet-process phosphoric acid. 硫酸的货源和价格都是湿法磷酸生产中极为重要的因素。
- The influence factors of sulfuric acid soaking for treating chrysotile was investigated by means of orthogo-nal test. 利用正交试验法对蛇纹石酸浸取处理的影响因子进行了研究。
- Adsorption affinity of sulfuric acid on D301Rwas found to be much higher than that of NSA. 研究表明,硫酸在D301R树脂上的吸附容量远大于NSA。
- Understanding of the manufacture of sulfuric acid in two ways, contact the Law and nitrification. 了解制造硫酸的两种方法，接触法和硝化法。
- Pools of sulfuric acid are indications that deep underground there are titanic stirrings. 一个个的硫酸池说明了在深地底下藏有著巨大能源。
- The effects of the amount of sulfuric acid used and the reaction temperature on bromination were discussed. 该合成路线经溴代、羧基化和酰化等三步反应，以61.;7%25的总收率得到目的物。
- The kinetics of sulfuric acid leaching chalcopyrite in the microwave field was studied. 研究了微波场中硫酸浸溶黄铜矿的动力学，结果表明微波加热提高了铜浸溶速率和浸出率。
- There is a concentration of people in big cities. 大城市人口集中。
- Sulfamic acid instead of sulfuric acid as a catalyst for synthesis of dibutyl maleate was reported. 用氨基磺酸催化合成了顺丁烯二酸二丁酯，酯收率为94%25。
- Poplar (Populus spp.) wood meal was liquefied by phenol in the presence of sulfuric acid as a catalyst. 在硫酸催化作用下,用苯酚对中国人工林杨树木粉进行液化。
- The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor, but it occurs deviation. 摘要测定白酒中杂醇油常采用硫酸-对二甲胺基苯甲醛比色法，但测定常有误差。
