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active metallic ion 活性金属离子
Having only one metal ion or positive radical. 只有一个金属离子或正基的
The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation. 金属离子可以是辅助因素的催化中心，也可以帮助形成酶活性所必须的构象。
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。
The catalyst of selectivity catalytic oxidation con- sists of modified Al_2O_3 and active metal oxides. 选择性催化氧化的催化剂都是以改性的Al_2O_3填加适量的活性金属氧化物。
Active metal Cu is oxygenated in the reaction with water, which prevents the hydrogenation of catalyst. 有水存在时，活性金属Cu被水氧化，进而抑制了催化剂的加氢性能。太原理工大学硕士研究生学位论文
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 TPO result indicated that the graphitization degree of the CNF depended on the active metal composition. TPO结果表明 ;Fe的存在提高了纳米碳纤维的石墨化程度 .
The active metal in the aluminum alloy thermostat housing and radiator are the negative electrodes or anodes. 在铝合金制的冷排和调温器内的活性金属是负电子或者正电子。
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。
Zinc is a chemically active metal, but its corrosion products are generally dense and adherent. These two facts explains the value of this metal. 锌是一种化学性质活泼的金属，但它的腐蚀生成物一般有高的密度和附着力。这两点特性说明了这一金属的价值。
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。
Modified Montmorillonite (MMT) was prepared by impregnating active metal oxide into carrier material which was MMT pillared with zirconium. 以锆交联蒙脱土作为载体材料,负载活性金属得到改性蒙脱土,考察了其对FCC汽油脱硫的作用。
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。