知识问答
最佳答案:修正的答案:46% of triphenyltin acid Tin,Cupric sulfate wettability medicinal powde
最佳答案:每七个字是一句/钾K 钠Na 铵NH4的盐溶于水NO3硝盐遇水影无踪 易溶硫酸不溶硫酸钡 BaSO4不溶于水,其他硫酸盐不同程度的可溶钙CaSO4银AgSO4硫
最佳答案:无水葡萄糖glucosum anhydrous硫酸粘杆菌素Colistin sulfate硫酸链霉素streptomycin sulfate盐酸林可霉素linc
最佳答案:Purification of copper sulfate,copper sulfate sodium thiosulfate standard soluti
最佳答案:The research shows that when the control of conditions for:leaching temperature
最佳答案:1st,the potassium permanganate and the strong sulfuric acid responded produces t
最佳答案:人工,放心使用吧.Polysaccharide in glycyrrhiza was the object of research ,using Phenol-
最佳答案:Set up a kind of aqueous two-phase separation and enrichment of fluorine benzene
最佳答案:In view of the current antibiotic pharmaceutical wastewater treatment problem, t
最佳答案:Adjustable DC output,so that aluminum produced in the electrochemical reaction o