Ethyl tert-butyl ether ( ETBE) was fund that a new rapidly dissolving agent yet of cholesterol gallstones in the recent years. 甲基叔丁醚是目前最有效的胆固醇结石直接溶解剂,但在临床应用时有很多缺点。
Fibroin powder prepared by dissolving fibroin in CaCl 2 solution, desalting and subsegment treatment, was used as supporter for immobilization of α amylase, the so called fibroin powder immobilized α amylase, FPIA when the adsorbed α amylase was immobilized by the cross linking agent glutaraldehyde. 同样,蚕丝经高浓度氯化钙溶液溶解、脱盐等处理后制成丝素粉末,经吸附后用戊二醛为交联剂固定了α-淀粉酶,制成粉末状丝素固定化酶。
Study of Organic Scale-dissolving Agent for Removing Sulfate Scale 清除硫酸盐垢的有机溶垢剂研究
SDD-1 is a new kind of scale inhibitor with low phosphoric. The test shows that SDD-1 has excellent efficiency in scale inhibition. And it is a good dissolving agent for copper corrosion inhibitor. SDD-1是一种新型的阻垢剂,具有含膦量低、阻垢性能优良以及能够溶解铜缓蚀剂的特点。
Methyl tert& butyl ether ( MTBE) is a powerful and rapidly dissolving agent of cholesterol gallstones up to now. 甲基叔丁醚是目前报道溶解胆固醇类结石速度最快、效果最好的溶剂。
After dissolving the sample, the masking agent is added by means of solution acidity control so as to eliminate the glitch of the coexisted ions. 样品消解后,利用控制溶液酸度的办法加入掩蔽剂以消除共存离子的干扰。
Water dissolving behavior of k_2feo_4 releasing agent carried by active clay 粘土负载高铁酸钾缓释剂的水溶出特性
In addition, the matters concerning dissolving method, color fastness, resistance to oxygen bleaching, water quality and selection of leveling agent were all discussed. 此外,还就溶解方法、色牢度、耐氧漂性、水质、匀染剂的选择等事项进行了探讨,并给出了染色工艺和操作注意事项。
The measurement of the dissolving rate of slow-releasing urea and protein supplement adding slow-releasing urea and in vitro are simple ways to measure the releasing effects of urea agent and urea feed. 溶解率的测定方法与恒温水浴脲酶法为体外检测尿素制剂与尿素精料缓释效果的简易方法。
The results show that porous material of interlock pore metal and alloy with different aperture and porosity can be prepared by using melting 、 dissolving salt as pore-creating agent if melting point of metal or alloy and salt was selected suitably. 实验结果表明,只要选配好金属或合金与盐的熔点,即可方便地以熔、溶盐作造孔剂,制备出所要求的具备不同孔径及孔隙率的通孔金属或合金的多孔材料。
For increasing the oil dissolving property and dispersion of DFI, various surface active agent are used in different proportion with every kind of polymer together, that developed a series of DFI; 为了提高其油溶性能和分散性,我们选取了多种表面活性剂按不同的比例与各种聚合物进行复配,开发了一系列DFI。
In the results, self-made ETBE complex emulsion is a safe and effective dissolving agent of cholesterol gallstone, toxicity is slightly lowrer than that of MTBE. 结果表明:自制的乙基叔丁醚复方乳剂能快速有效地溶解胆固醇结石,毒性明显低于甲基叔丁醚。
MTBE is a gallstone dissolving agent in clinical trial. 甲基叔丁醚(MTBE)是在临床试验中的一种胆石溶解剂。