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- The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied. 以苯酚为原料,复合金属离子为催化剂,研究用气相氧化合成苯醌,用铁粉还原苯醌制对苯二酚的两步法工艺,考察了氧化过程中的工艺条件对反应的影响。
- In the straight hole,the complex metallic ion polymer drilling fluid system was used.The drilling fluid filtrate was controlled well,and the formation hydrating and swelling were prevented. 该井直井段采用复合金属离子聚合物钻井液体系,较好地控制了钻井液滤失量,减少了滤液渗入地层,防止了地层水化膨胀。
- Synthesis and the Conductive Character of Complex Metal Ions of New N-Pivot Lariat Crown Ethers 新型氮支套索冠醚的合成及络合阳离子的电导特征
- Keywords HPLC;Azacrown ether bonded phase;Complex metal ion;Disubstituted benzene derviatives; 高效液相色谱;氮杂冠醚键合固定相;络合金属离子;二取代苯衍生物;
- Complex metal ions 复合金属离子
- Having only one metal ion or positive radical. 只有一个金属离子或正基的
- The catalyst mechanism of A101 to TDI-TMP system is that metal ions, TDI and alcohol form a ernary complex compound, so the reactions become easy. 经分析A101金属化合物对TDI-TMP体系的催化机理,在反应中是A101中金属离子与TDI-醇形成一个三元活化络合物,因而反应易于进行。
- Chelation ion chromatography is suitable for the determination of trace metal ions in complex matrices. 螯合离子色谱可以对复杂基体中的痕量金属离子进行测定。
- Metal complex of macrocyclic polyamines can hydrolyze DNA and RNA, the ability depends on metal ions and their side groups conjugated to them. 大环多胺金属配合物能水解DNA、RNA,其水解能力跟金属离子和与其连接的基团密切相关。
- Several curcumin analogues have been synthesized, and some of them have been applied to complex to octahedral Metal ions which act as templates. 本论文将讨论以中孔洞碳材作为超级电容的电极材料在电容表现的影响。
- To combine(a metal ion)with a chemical compound to form a ring. 把（一个金属离子）与化学复合物结合成环
- To combine(a metal ion) with a chemical compound to form a ring. 把（一个金属离子）与化学复合物结合成环
- In this paper, a new method for determination of trace metal ions in complex matrices by chelation ion chromatography has been developed. 发展了应用螯合离子色谱法分析复杂基体中痕量金属离子的新方法。
- A series of bimetal coordination complex fibers with different content of metal were prepared by controlling the concentration of metal ions and reaction time. 摘要通过控制金属离子的浓度和反应时间制得一系列不同金属含量的双金属配合物纤维。
- Chelating agents can be used to remove toxic metal ions from soil or water. 螯合剂可以用来从土壤或水中清除有毒的金属离子。
- The metal ion and the anion of the mineral acid form an insoluble salt. 金属离子和无机酸的阴离子生成一种难溶的盐。
- Extrude Hone developed the Abrasive Flow Machining (AFM) process to precisely finish machine edges and surfaces of complex metal parts. 美国挤压研磨公司为精确地抛(磨)光复杂金属零部件内腔内孔的表面和边缘而开发了磨粒流加工(AFM)工艺。
- As the result,the stabilizer features strong complex and adsorption to heaw metal ion,and bleached fabric has soft handle and good anti-sludging. 结果表明,该稳定剂对重金属离子有很强的络合和吸附作用,漂白织物手感柔软,有较好的阻垢作用。
- Influence of Metal Ion Contents on Enzymatic Deinking Process ZHANG Su-feng g. 用量左右。关键词:酶脱墨;金属离子;螯合。
- When rare earth metal ion is used, the tetrazine is opened with unusually way. 而稀土与四嗪作用时发现四嗪环的异常开环。
