您要查找的是不是:
- hydrochloride acid extraction 盐酸萃取
- The technological conditions of preparing polishes from bastnasite such as pretreating with hydrochloride acid,roasting and quenching were studied. 以微山氟碳铈精矿为原料,研究了预处理、焙烧、淬火等工艺条件对制备稀土抛光粉性能的影响。
- From the results, we speculated that the leakage of stainless steel pipe should be resulted from pitting by chloride which came from waste hydrochloride acid for pickling. 由上述结果推测沼气输送管漏水主要原因为氯离子侵蚀所造成,其来源经追查为酸洗废液混入所导致。
- The new formula is composed of dilute hydrochloride acid, boric acid and reaction assistant, and can efficiently restrain bleaching equipment from corrosion of fluoride. 研究并提出用稀盐酸、硼酸和反应助剂作为含有萤石、方解石杂质的重晶石粉体酸漂增白的新配方。
- Optimization and modeling of boric acid extraction from colemanite in water saturated with carbon dioxide and sulphur dioxide gases. 在二氧化碳及二氧化硫饱和水溶液中从硬硼钙石提取硼酸最优化方案的研究。
- The dione subsequently reacted with potassium hydroxide and 2-(5-ethyl-2-pyridyl)ethyl sulfonate to produce pioglitazone, and finally with hydrochloride acid to obtain the hydrochloride salt. 5-乙基-2-羟乙基吡啶和甲基磺酰氯反应生成的磺酸酯与5-[(4-羟基苯基)甲基]-2,4-噻哗烷二酮的钾盐反应生成5-[4-[2-(5-乙基-2-吡啶基)乙氧基]苄基]-2,4-噻唑烷二酮(吡格列酮),吡格列酮用盐酸酸化得到盐酸吡格列酮。
- Three pretreatments including air oxidation pretreatment, nitric acid oxidation pretreatment, ultrasonic pretreatment are used to increase the rate of humic acid extraction. 采用空气氧化预处理、硝酸氧化预处理、超声波预处理三种方法提高腐殖酸的提取率。
- Methods The Soxhlet extractor method was adopted for the extraction of pigments, and acid extraction and ethanol precipitation method was used for the preparation of pectin. 方法用索氏提取法提取色素,酸提取乙醇沉淀法制取果胶。
- Objective: To compare the contents of chlorogenic acid extracted born wild and cultivation Taraxacum mongolicum Hand. 摘要目的:比较野生与栽培蒲公英绿原酸含量。
- The pesticidal and bactericidal effects of ginkgolic acid extracted from Ginkgo exocarp was studied. 从银杏外种皮中提取的银杏酚酸和白果酚有杀虫、杀菌作用。
- The release of acid extractable organic phosphate in sediment might be an important process leading lake eutrophication except iron-bound phosphorus. 沉积物中酸可提取有机磷的释放可能又是一个导致湖泊富营养化的重要过程。
- This paper studies the effect of interfacial agent in the yield of glutamic acid extracted by using isoelectric point method. 本文介绍了表面活性剂对等电点提取谷氨酸的收得率之影响。
- The oleanolic acid extracted from the fruit and the leaf of Chinese flowering quince is an important active component, has various medical functions. 摘要木瓜齐墩果酸是木瓜果实和叶中重要的活性成分,具有多种医疗功效。
- microwave-assisted acid extraction 微波酸浸
- Full automatic nucleic acid extract instrument 全自动核酸提取仪
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- AIM: To study the effects of co-amino acids extracted from silkworm chrysalis on nourish and concrescence of wound in surgical hurt rats. 目的:观察蚕蛹复合氨基酸对外伤大鼠创口愈合的促进作用。