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- Methods Antioxidant,metal ion chelating agent and the mixture of the two were added to the lotion respectively,and the color of compound salicylic acid lotion was observed. 方法以外观色泽为指标,考察单独加入抗氧剂或金属离子络合剂及其联合应用对制剂外观质量的影响。
- metal ion chelation agent 金属离子螯合剂
- metal ion chelation 金属离子螯合
- Having only one metal ion or positive radical. 只有一个金属离子或正基的
- 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。
- 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。
- 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。
- 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。
- The synthesis conditions, chelant, metal ion and buffer were optimized. 确定了最佳的合成方法、螯合剂、金属离子和缓冲体系。
- Chelation The process of forming a stable chemical complex (chelate) with a given substance, usually a metal ion, that involves the formation of at least two chemical bonds. 螯环化作用:用一定的物质通常是一个金属离子形成至少含有两个化学键的一种稳定的复合体的过程(螯合)。
- Inhibit the catalytic oxidation of metal ion to the oil as well as the corrosion of sulfide to the copper. 抑制金属离子对油品所氧化催化作用及硫化物对铜的腐蚀作用。
- Chelation of the metal ions can prevent nucleation and lead to the formation of larger particles because the number of nuclei formed is small and the system is dominated by particle growth. 金属离子的螯合作用可以阻碍形核作用并导致更大颗粒的形成,因为形核数量较少,系统由颗粒长大所控制。
- Since the amine group on the chain can act as chelation sites for metal ions, chitosan has already been described as a suitable natural polymer for the collection of heavy-metal ions. 在壳聚糖分子结构中存在大量游离氨基和羟基,是一种新型的配位体或螯合剂,主要用于捕集有毒重金属离子。
- Both adsorbents have been used to decolorizeand remove toxic metal ion from waste water in printing and dyeing process. 测定两种吸附剂的性能;探讨两种吸附剂对印染废水的脱色和对有毒金属离子的去除。
- The chelating surfactant,with a ED3A hydrophilic group,has excellent surface activity and metal ion complexing actions. 以ED3A为亲水基团的螯合性表面活性剂同时具有良好的表面活性和络合金属离子的作用。
- Metal ion data distributions were asymmetric, and variability between the groups was important. 金属离子组间数据的分布的对称性和变异性非常重要。
- It has been reported that sulfhydryl compounds play an important role in alleviating metal ion toxicity. 已有研究表明,含巯基物质对缓解金属离子的毒害起重要作用,而多胺不仅能够调节植物的生长和发育, 也参与了植物的胁迫反应,因此SAMS可能在适应铝毒中起作用。