您要查找的是不是:
- Having only one metal ion or positive radical. 只有一个金属离子或正基的
- 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
- 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。
- Metallic ion, deoxidizer and sucrose did not influence tincture and chroma of HbNO solution. 还原剂对其色泽无影响,但耐H2O2能力差;
- The results showed that the best conditions were bran as carbon source,soybean meal as nitrogen source,Ca2+ as metallic ion. 结果表明;该菌株产CMCase的最佳碳源为麸皮;最佳氮源为大豆粉;最佳金属离子为Ca2+;最适培养条件为45℃、250 r.
- The determined absorption constant show HEDTMP canproduce & which can provide isolated pair of electron to coordinate with metallic ion. 测定了HEDTMP酸离解常数。 显示化合物在中性pH下能有效生成含孤对电子的氧负离子,提示化合物与金属离子可望生成稳定配合物。
- The ion implanter can be used for either gaseous or metallic ion implantation, so available to modification of lots of material surfaces. 具有单独气体离子注入,和金属离子注入的功能,适合于材料表面改性用途。
- The effects of 5 kinds of food additive and 7 kinds of metallic ion on the stability of red pigment from Rubus lambertianus were investigated. 探讨了5种常用食品添加剂和7种金属离子对高粱泡红色素稳定性的影响。
- Metallic ion doping is one of the most effective methods to resolve the defect, it can change the structure of energy level of TiO_2 to absorb the visible light. 克服这一缺点的有效方法是利用金属离子掺杂改性,改变TiO_2的能带结构,使其能吸收太阳能中的可见光部分。
- 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。
- Study on Effect of Metallic Ions on Red Pigment of Myrica rubra Steb et zucc. 杨梅红色素与几种金属离子作用效应的研究。
- 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。
- Senesi, N. and F.Sakellariadou(1993)Trace metal ion binding by humic acid in marine and coastal sediments. 洪富文黄菊美林光清杜清泽陈永修林照松(2000)原生阔叶林分改建人工林对土壤养分的影响。