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- contact plant of sulfuric acid 接触法硫酸厂
- 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。
- 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
- I was founded in 1993, the main production plant extracts of the manufacturers, the products are: soft enough of sulfuric acid, APS, pancreatin, and so on. 我公司成立于1993年，主要生产总植物提取的厂家，产品有：硫酸软够素、黄芪多糖、胰酶等。
- 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。
- 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。
- 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。
- This is an indicator plant of acid soils. 这是一酸性土地的指标植株。
- Butyl lactate was synthesized by the ester exchange reaction of D,L-lactide and n-butanol under the catalysis of sulfuric acid. 研究了D,L-丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
- The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation. 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。
- 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。
- The poisonous berry of a plant of this genus. 该属植物的有毒浆果
- The effects of the amount of sulfuric acid solution,the amount of potassium iodide solution and quiescent time after extraction were investigated. 考察了硫酸溶液的用量、碘化钾溶液的用量及萃取后静置时间等条件对双氧水含量分析的影响。
- This plant of pot holder is his birthday present. 这个花盆支架是他的生日礼物。
