硫酸浸提 的英文怎麼說
中文拼音 [liúsuānjìndī]
硫酸浸提
英文
sulphuric acid extraction/electrowinning-
Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted
研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5The extracting technology of fucoidan from sporophyll powder of sea mustard undaria pinnatifida suringar by enzymatic hydrolysis
熱水浸提法提取裙帶菜孢子葉粉巖藻聚糖硫酸酯的工藝研究We have sifted 103 medicinal plants, roughly identified 17 plants might contain antifungal proteins. antifungal protein was purified from cassia sophera linn, by extraction, fraction with ( nh _ ( 4 ) ) _ ( 2 ) so _ ( 4 ), cation - exchange chromatography of cm - sepharose ff xk 26, the first cation - exchange chromatography of mono s and the second one, followed by gel filtration of superose 12hr
對茳芒決明進行了抗菌蛋白的分離純化：經粉碎、磷酸緩沖液浸提、硫酸銨沉澱、 cm - sepharoseffxk26陽離子交換層析、兩次monos陽離子交換層析、 superose12hr分子篩層析可得到具抗真菌活性的蛋白。Focus on the peculiarities of refractory gold ore containing rich arsenic and rich sulphur in jiangxi gold mines, the paper propose a new method and technology of acidic aqueous chlorination of gold
針對江西高砷高硫難浸金礦石的特點，提出了酸性水溶液氯化提金的新方法與工藝。Determination of cadimium in cucumber with four types of sample preparation methods, i. e. digestion using nitric acid and perchloric acid, microwave digestion using nitric acid, digestion using sulfuric acid and hydrogen peroxide and extraction using hydrochloric acid were compared
摘要本文通過比較研究了濕式消解法、微波消解法、硫酸過氧化氫快速消解發、鹽酸浸提法等四種前處理方法測定黃瓜中鎘含量。分享友人