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- 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。
- 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。
- 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。
- Chemical degradations are laborious and time-consuming. 化学降解法复杂且费时间。
- 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
- chemical degradation method(Maxam-Gilbert method) 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 sequencing method 化学降解测序法(分)
- The degraded product which has excellent inhibition effect on microorganisms was prepared from black wattle tannin by chemical degraded modification. 通过对黑荆树皮单宁化学降解改性，制备了具有优良抑菌性能的降解产物。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
