Sulfurous acid, disodium salt, polymer with formaldehyde, phenol, sodium hydrogen sulfite and urea; 硫酸二钠盐与甲醛、苯酚、亚硫酸氢钠和尿素的聚合物;
Study on Production of Sulfuric Acid with Catalytic Oxidation of SO_2 in Pyrolusite Slurry; Kinetics analysis of oxidation process of calcium sulfite in flue gas desulfurization technology 软锰矿浆催化氧化烟气SO2产酸过程研究烟气脱硫亚硫酸钙铁催化氧化动力学实验
Determination of folic acid by flow-injection chemiluminescence using cerium(ⅳ) sulfate-sodium sulfite system 铈(Ⅳ)-亚硫酸钠体系流动注射化学发光法测定叶酸
The target product was synthesized by using chloroacetic acid and ethyl chloroacetate as raw material and sulfite sodium as sulfonating agent. 我们分别以***和***乙酯为原料,亚硫酸钠为磺化剂合成了目标产物。
Lipase pitch control of Masson pine acid sulfite pulp 利用脂肪酶控制马尾松酸性亚硫酸盐浆树脂的沉积
Treatment of Oxidizing Calcine of Ag Concentrate by Oxidizing Leaching with Hydrochloric Acid and Leaching with Sodium Sulfite 盐酸氧化酸浸亚硫酸钠浸出法处理银精矿氧化焙砂的研究
Study on chemical constituents of acetone extractives from Masson Pine acid sulfite pulp 马尾松酸性亚硫酸盐浆丙酮抽出物化学成分的研究
Improvement and discussion of nucleophilic addition reactions of carbonyl compounds with sodium acid sulfite 羰基化合物与亚硫酸氢钠亲核加成反应实验的改进与探索
Methods: 3 ( N tetrahydropyrrole) 2 hydroxy is synthesized through a hydrogen form of a cation exchange resin with propanesulfonic acid, tetrahydropyrrole, epichlorohydrin, sodium hydrogen sulfite as its material. 方法:以四氢吡咯、3-氯-1,2-环氧丙烷、亚硫酸氢钠为原料,通过一种氢型的阳离子交换树脂合成3-(N-四氢吡咯)-2-羟基丙磺酸。
Investigation of hot acid leaching-zinc sulfite reduction-goethite process for high-temperature zinc calcine 高温锌焙砂热酸浸出亚硫酸锌还原针铁矿法试验研究
The results show that the method which synthesize sulfoacetic acid disodium by using chloroacetic acid and ethyl chloroacetate as raw material and sulfite sodium as sulfonating agent by nucleophilic substitution reaction is feasible. 结果表明:以***和***乙酯为原料采用亲核取代反应合成磺酸乙酸钠是可行的。
It is shown that peracetic acid is effective, and it would accelerate characterized. reaction, which leads to the acceleration of general oxidation of calcium sulfite. 结果表明,过氧乙酸是一种高效的催化剂,通过加速本征反应而使亚硫酸钙的总氧化进程加快。