contaminations

英

美

(contamination 的复数) n. 污染, 污物
[化] 污染; 沾污
contamination的复数

化学

双语例句

• The electrical conductivity of a soil is changed because of the change in composition and structure due to contaminations.
  被污染的土由于其组成成分、结构等发生变化，导电性随之发生变化。
• Five factors that H2quantity input, isotactic degree, contaminations in raw material, reaction temperature so on critically affect the MFR of polypropylene.
  H2的加入量、等规度、聚合反应密度、原料中杂质、反应温度等五方面因素对聚丙烯熔体流动速率具有重要影响。
• Experimentally studies the relation of the pressure difference and leakage rate of contaminations separately by atmospheric dust method and experimental culture method.
  分别用大气尘法和实验菌种法对压差和污染物外泄量的关系进行了实验研究，结果显示压差从0变到-6Pa，污染物外泄浓度比仅减少0.03左右；
• BTEX ( benzene, toluene, ethylbenzene, and xylenes) and phenol are predominant contaminations releasing within sewage transaction process, with benzene as the most carcinogenic factor and severe damage to human health.
  苯系物（苯、甲苯、乙苯、二甲苯）和苯酚是污水处理过程中释放的重要污染物，其中苯具有强致癌性，对人类健康危害很大。
• The pesticide is one of the most important contaminations in soil.
  土壤的各类污染物中，农药是很重要的一类。
• Molecular-sieves are good at adsorbing many contaminations ( H2O especially), so it usually be used to adsorb contaminations.
  分子筛对包括水汽在内的多种污染物具有良好的吸附作用，可以作为控制污染物的吸附材料。
• In library, the contaminations can be divided into four parts: i.e.chemical contamination, physical contamination, biological contamination and radioactive contamination.
  前言：图书馆内污染物按性质分为化学性污染物、物理性污染物、生物性污染物和放射性污染物。
• The Food Safety Law stipulates to establish the national food safety risk surveillance system and monitor the food borne diseases, food contaminations and harmful factors in food.
  我国《食品安全法》规定国家建立食品安全风险监测制度，对食源性疾病、食品污染以及食品中的有害因素进行监测。
• Research Progress on the Migration and Diffusion of Dangerous Chemical Contaminations in Air, Water and Soil
  危险化学污染物在空气、水和土壤中的扩散与迁移研究进展
• Dissolving and removing of oxides and contaminations from the surface of a metal or alloy are the primary purposes of flux.
  助溶剂的主要目的是溶解出去金属或合金表面的氧化物和污染物。