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- selective chemical degradation 选择性化学降解
- Chemical degradation is very slow so that it becomes more concentrated in successive stages of the food chain . 化学的递降分解作用十分缓慢,以致它在食物链的连续各阶段中变得更为浓缩。
- Chemical degradation is very slow so that it becomes more concentrated in successive stages of the food chain. 化学的递降分解作用十分缓慢,以致它在食物链的连续各阶段中变得更为浓缩。
- But the mainly used method is chemical degradation,the existing problems were the low ef... 概述了壳聚糖低聚物在实际中的应用,详细介绍了物理降解方法的研究进展。
- Compared with sucrose and trehalose,sorbitol could only slightly protect the protein against aggregation and had no effect on chemical degradation. 与蔗糖和海藻糖,山梨糖醇可能只是略有保护蛋白对聚集,并没有影响化学降解。
- Recent aptamer experiments have shown, that amino acids have indeed a selective chemical affinity for the base triplets that code for them1. 而另一个核苷酸的减少(或增加)则可以校正后 一核苷酸位置以后的码组,从而使表型恢复为野生型。
- It may be concluded that principal reactions between the hydrazine fuels and clay are physical absorption and chemical degradation. 肼类燃料在土壤环境中与粘土的作用最强 ,主要存在着物理吸附与化学降解两个方面。
- A series of batch experiments were carried out to determine the chemical degradation and biodegradation parameters of herbicide dinoseb in various soil samples. 摘要利用一系列批实验来研究地乐酚在不同土壤样本中的非生物降解和生物降解,并对各土壤特性与降解参数的相关性作统计分析。
- Chemical degradations are laborious and time-consuming. 化学降解法复杂且费时间。
- The Bleaching recipes leading to the whitest wool have been suggested, limited by constraints on chemical degradation, as measured by alkali solubility. 同时,以测定碱溶解度作为化学降解的限制条件,提出了产生最佳白度的脱色工艺处方。
- It can be infered that the decoloration of azo dye molecules is the co-effect of the selective chemical absorption and the oxidation-deoxidation effect on the surface of iron oxyhydroxides. 由以上结果推论:两种偶氮染料的脱色是选择性的化学吸附与氧氢氧化铁界面的氧化还原降解共同作用的结果。
- Selected chemical composition and new technical skill improve the quality of tensile strength, toughness, meltability of the steel. 严格挑选化学成份,经新技术特别提炼后,能提高钢材本质伸延性、韧性、及溶接性,不容易爆裂。
- The chemical degradation of polyurethane 聚氨酯的化学降解
- Chemical Degradation of Wool Recovered from Tanning 废弃羊毛的化学降解
- Maxam-Gilbert chemical degradation method 马克萨姆-吉尔伯特化学降解(DNA测序)法
- The effects of chemical degrading modifying adduct on the texture of PP fiber were discussed. 讨论了化学降解改进剂对聚丙烯纤维织构的影响;
- chemical degradation method(Maxam-Gilbert method) 化学降解(DNA测序)法
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- chemical degradation sequencing method 化学降解测序法(分)
- Through rationally selecting chemical composition and applying appropriate nodualarization agent and inoculation agentas-cast pearlite ductile iron of grade QT550-6 has been produced stably. 通过合理选择化学成分和选用合适的球化剂与孕育剂,稳定地生产出牌号为QT550-6的铸态珠光体球墨铸铁件。