chemical degradation
英 [ˈkemɪkl ˌdeɡrəˈdeɪʃn]
美 [ˈkemɪkl ˌdeɡrəˈdeɪʃn]
n. 化学降解
双语例句
- High fluidity polypropylene is produced mainly by two methods, chemical degradation and new catalyst with hydrogen modulation.
高流动聚丙烯主要采用化学降解法和新型催化剂结合氢调的方法生产。 - Influence factors of preparation of liquid natural rubber by chemical degradation
化学降解法制备液体天然橡胶的影响因素 - 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。 - 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。 - Solid bitumen from the Northeastern Sichuan Basin is investigated by the present authors using selective chemical degradation combined with various organic geochemical analyses.
采用选择性化学降解方法并结合多种有机地球化学测定手段对川东北固体沥青的成因进行研究。 - The effects of auxiliary temperature and molecular weight in chemical degradation of PP
PP化学降解中助剂、温度和分子量的影响 - In addition, reversed phase chromatography, pyrolysis gas chromatography and chemical degradation chromatography are discussed respectively.
同时对反相色谱、裂解色谱和化学降解色谱分别作了讨论。 - Study on Chemical Degradation and its Mechanism of Lutein
叶黄素的化学降解产物及机理研究 - Preparation of PVC Processing Aid by Combination of Mechanical Chemistry Degradation and Chemical Degradation
力化学降解和化学降解结合制备PVC加工助剂 - The non-thermal technologies included chemical dechlorination, ultraviolet photolysis, solvent extraction, adsorption, biodegradation, chemical degradation, x-ray photolysis, photocatalysis oxidation, and etc.
非热技术包括化学脱氯技术、紫外光解技术、溶剂萃取技术、吸附技术、生物降解技术、化学降解技术、γ射线分解技术、光催化氧化技术等。 - In this paper, the advances in research of chemical degradation, physical degradation and biodegradation were discussed.
本文介绍并评述了化学降解、物理降解和生物降解等壳聚糖降解方法的研究进展。 - The MDEA process studies including its characteristics and special calculations, MDEA chemical degradation and analysis of higher solvent loss in refinery plant are reviewed and some opinions are presented for public discussion.
介绍了选择性脱硫过程的工艺特点及所涉及的特殊计算问题，分析了MDEA的化学降解和炼油厂中溶剂损失高等热点问题，提出了一些见解，以资共同探讨。 - Meanwhile, fully and systematically expounded the specific contents and quantitative indexes of physical degradation, chemical degradation and biological degradation of eroded soils.
系统全面地论述了侵蚀土壤物理退化、化学退化和生物退化的具体内容和定量指标。 - The chemical degradation of HPAM involves two main reactions: oxidation and hydrolysis.
实验结果表明，HPAM在水溶液中的化学降解作用，主要包括氧化作用和水解作用两种反应。 - Degraded products having super high melt flow rate ( MFR) from polypropylene ( PP) were prepared via chemical degradation of isotactic PP with peroxide under action of shear force and at comparatively low temperature.
在剪切力作用和较低温度下，利用过氧化物对等规聚丙烯（PP）化学降解，得到了具有超高熔体流动速率（MFR）的PP降解产品。 - Heat degradation, chemical degradation and oxidation degradation, which bring out great effect on desulphurization efficiency and foaming tendency of amine solution as well as corrosion on construction materials, occur during the long-term recycle in amine system.
胺液在长期循环使用过程中均存在一定的热降解、化学降解和氧化降解，它们对溶液的脱硫效率、发泡倾向和腐蚀性均有很大影响。 - The methods of detection and analysis of MTBE and the progress in the research of degradation technology of MTBE are reviewed, including physical adsorption and air sparging, chemical degradation, biodegradation and phytoremediation.
主要介绍了MTBE在污染环境中的检测分析方法和降解技术研究进展，包括：物理吸附和曝气吹除、化学降解、生物降解和植物修复技术。 - Study on Processing Additive for PVC Prepared by Combination of Mechanical Degradation and Chemical Degradation
机械力和化学双重降解制备PVC加工助剂的研究 - There are a few main degradation mechanisms: thermal degradation, chemical degradation, oxidation, microbial degradation and hydrolysis.
聚合物有几种主要的降解机理：热降解、化学物降解、氧化降解、微生物降解以及水解降解。 - Indirect method is used in the systematic chemical degradation of polypropylenes with three different original molecular weights, changes in the appearance of degradation and the melt morphology of degraded polypropylene are discussed.
本文主要用间接化学降解法对三种不同原始分子量聚丙烯进行较系统性的化学降解，并讨论该系例样品降解现象和聚丙烯熔体形态的变化。 - Study on chemical degradation of polyacrylamide
聚丙烯酰胺的化学降解研究 - SAT removes pollutants from effluent by mechanical filtration, biological and chemical degradation of organic matter, adsorption/ desorption, oxidation/ reduction, precipitation/ dissolution, and synthesis of secondary minerals.
该系统通过对污染物的机械过滤、生物化学转化和降解过程、吸附/解吸过程、氧化/还原过程、沉淀/溶解过程、以及矿物的合成过程净化污水。 - The mechanism of oxidative degradation, photodegradation, hydrolysis degradation and chemical degradation of polyurethane materials are reviewed.
评述了聚氨酯材料在紫外线、水、热氧及化学介质条件下的老化降解机理；综述了聚氨酯材料老化降解的研究进展。 - Objective To evaluate the effect of drug on chemical degradation of lipopolysaccharide ( LPS) from oral anaerobes.
目的评估各种药物对口腔厌氧菌内毒素的降解作用。 - Effects of Chemical Degradation on the Rheological Behaviour of IPP
化学降解对IPP流变性能的影响 - Study on chemical degradation characteristics of PAM in wastewater from oil production
采油污水中聚丙烯酰胺的化学降解特性研究 - PP BCF was obtained from domestic plastic grade polypropylene chips embodied chemical degradation masterbatch on imported machine.
采用国产注塑级聚丙烯切片并添加降温母粒的方法在进口设备上生产丙纶BCF。 - A low molecular mass PVC ( LMPVC) was prepared by means of the combination of mechanical chemistry degradation and chemical degradation.
采用力化学降解和化学降解相结合的方法，研制了一种低相对分子质量的聚氯乙烯树脂（LMPVC）。 - There are two methods to degrade the proanthocyanidins polymer into oligomer, chemical degradation and biological degradation.
多聚体原花色素降解为低聚体有化学降解和生物降解两种方法。 - The degradation courses of PGA and PGLA GTR Barriers in vitro are chemical degradation processes, which achieved by hydrolysis of ester bond.
PGA和PGLA牙周再生片的降解都是通过酯键的水解来实现，是一个化学降解的过程。