To some extent, a given concentration of H2SO4 were active to shed seed villus.
一定浓度的浓h2so4对花卉种子具有脱绒效果。
Among them, the additive amount of H2SO4 and density of polymer solution play main role.
在诸因素中，硫酸用量和聚合液密度是影响聚合硫酸铁质量的主要因素。
The industrial crude fat was obtained by treatment of soybean lecithin with dilute H2SO4.
大豆油脚经稀硫酸预处理得工业酸油。
H2SO4 is a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry.
硫酸一种极具腐蚀性的酸，由二氧化硫制成，广泛用于化学工业中。
Sulfate: Any of numerous inorganic and organic chemical compounds related to sulfuric acid (H2SO4).
硫酸酯：任何与硫酸(H2SO4)有关的化合物。
Sulfate: Any of numerous inorganic and organic chemical compounds related to sulfuric acid (H2SO4).
硫酸盐；硫酸酯：任何与硫酸(H2SO4)有关的化合物。
The concentration of acid mist in every year didn't exceed the national standard except for that of H2SO4 in 2001;
结果除H2SO4的2001年平均浓度超过国家标准外，其余各年度的各种酸雾均未超过国家标准；
The optimum condition under which sodium diphenylamine sulfonate was oxided by Cr(VI) in H2SO4 medium was studied.
研究了在硫酸介质中，二苯胺磺酸钠被铬（VI）氧化反应的最佳条件。
Method: ion chromatography was used to transform SO2 to H2SO4, the contents of SO2 in air can be calculated by the contents of SO42 -.
方法：利用氧化反应将SO 2转化为H2SO4，利用离子色谱测定so 42 -含量来计算出空气中SO2的含量。
It has been found that ferric chloride was superior to H2SO4 when used as catalyst for esterification of ethyl alcohol with sebacic acid.
氯化铁作为癸二酸和乙醇的酯化催化剂，性能优于硫酸。
Using waste from recycling the NdFeB scrap and iron scale as raw materials, immersing it by H2SO4 and purifying, the purified liquid of Fe2 + was obtained.
采用钕铁硼废料处理废渣、铁屑等为原料，通过H2SO4浸出、除杂后得净化液。
The copolymers show good solubility in N, N-dimethylformamide (DMF), dimethyl sulphoxide (DMSO), N-methyl-2-pyrrolidone (NMP) and some inorganic acids like H2SO4.
共聚物在N，N-二甲基酰胺（DMF）、二甲基亚砜（DMSO）、N-甲基-2-吡咯烷酮（NMP）等极性溶剂和浓H2SO4中有良好的溶解性。
The hydrolysis by H2SO4 and TFA under different hydrolysis conditions was compared to analyze their influence on the measurement of insoluble yeast glucan content.
分别比较H2SO4和TFA在不同条件下水解酵母不溶性葡聚糖对测定结果的影响。
The electrochemical behavior of the methanol oxidation on the platinum electrode with different concentration H2SO4 solution was studied by using cyclic voltammetry.
用循环伏安法研究在不同酸度的硫酸钠溶液中，甲醇在铂电极上氧化的电化学行为。
After still separation, aggregation condensation by heating and extraction, the regenerative acid will turn into diluted H2SO4 of 60%, pink transparent, and acid tar.
对再生酸经过静止分离、加热聚合浓缩、萃取等工艺净化处理后，可得到粉红色透明酸度为60%的稀硫酸和酸焦油。
Meanwhile, the experiments of the concentration of H2SO4 and VOSO4 show that these treated electrodes have good performance in the electrolyte with high concentration.
在不同VOSO4及H2SO4浓度的试验中发现处理后的电极在高浓度的电解液中具有良好的性能。
Method: The contents of reducing saccharides, water-soluble saccharides and poly saccharides in Huangqi and its processed products were determined with phenol-H2SO4 method.
方法：用硫酸-苯酚法测定了黄芪及其炮制品还原性糖、水溶性糖和多糖的含量。
The separation of ammonia is the first order kinetic process and the effect of concentration of H2SO4, and (NH4) 2 SO4 on Separating ammonia is unremarkable in this process.
该过程中，氨的分离为一级动力学过程，H2SO4和(NH4)2so4浓度对氨的分离没有明显影响。
With increasing acid value, density, salt and sulfur in Liaohe Crude, The HCI-H2SO4-H2O corrosion in overhead condensing system of atmospheric-vacuum unit was deteriorating.
辽河原油逐年来酸值增高、密度变大、含盐和含硫量有所增加，常减压塔顶冷凝冷却系统的“HCI - H_2S - H_2O”腐蚀日趋严重。
The effects of SO2 concentration, H2SO4 concentration, temperature and stirring speed on anodic reaction rate were investigated using potentiostatic polarization measurement.
通过SO 2阳极极化曲线的测定，考察了SO2浓度、H2SO4浓度、温度和搅拌速度对阳极反应速率的影响。
To treat tetramethyl ammonium chloride with H2SO4 in organic solvent, a precipitate is produced. A white crystallizing solid TMAHS is prepared after filtrating, washing and drying.
以H_2SO_4处理四甲基氯化铵的有机溶液，立即生成沉淀，经过滤、洗涤、干燥后，得到白色结晶状固体——TMAHS。
The effect of copper on the corrosion resistance of Cr-Mn stainless steel in H2SO4 was analyzed by means of weight-loss method, electrochemical polarization curves, SEM, EDS and XRD.
采用失重法、电化学极化曲线法、SEM、EDS、XRD等分析手段，分析了铜对铬锰不锈钢耐蚀性的影响及其机制。
The technological feasibility of SO2 removal from tail gas of single-absorption H2SO4 plant with aqueous pyrolusite suspension as absorbent and commercial MnSO4 as byproduct is examined.
研究用软锰矿的水悬浮液脱除一转一吸硫酸生产尾气中的SO 2并副产工业硫酸标的工艺可行性。
We also improved the conventional formol-H2SO4 titrimetric method, and applied it into the determinations of the contents of amide nitrogen and total nitrogen in urea nitrate metal complexes.
我们还对传统的甲醛—硫酸法进行了改良，并将新的甲醛—硫酸法运用于硝酸尿素金属络合物中的酰氨态氮和总氮含量的测定中。
The use of 98% H2SO4 for removal of water in nitric acid in the sulphuric acid process concentrated nitric acid production will produce large amount of dilute sulphuric acid, which has to be treated.
稀硫酸腐蚀性强，硫酸法—浓硝酸工艺采用98%H2SO4脱除硝酸中的水，产生了大量的稀硫酸须予以处理。
The use of 98% H2SO4 for removal of water in nitric acid in the sulphuric acid process concentrated nitric acid production will produce large amount of dilute sulphuric acid, which has to be treated.
稀硫酸腐蚀性强，硫酸法—浓硝酸工艺采用98%H2SO4脱除硝酸中的水，产生了大量的稀硫酸须予以处理。
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