查询词典 contamination

All these characteristics suggest that the perlitic rocks might have originated from upper crust, and their pyroxene xenocrysts may be the results of assimilation and contamination of wall rocks during the migration and ascent of magma.

这些特征表明，珍珠岩原岩可能来自于上部地壳，其辉石等捕虏晶为岩浆上侵运移过程与围岩发生混染作用的结果。

When evidence of microbial contamination in the article is obtained by the appropriate Pharmacopeial method, the result so obtained is conclusive evidence of failure of the article to meet the requirements of the test for sterility, even if a different result is obtained by an alternative procedure.

当通过适当的药典方法获得了某物品中微生物污染的证据，这样获得的结果是该物品未能达到无菌检验要求的结论性证据，即便使用替代程序得到了不同的结果也无法否定此结果。

The first layer is phosphosilicate glass and the second layer is silicon nitride. Now the passivation layer can isolate the device circuits from external contamination damage.

在护层的薄膜中，经常使用双层薄膜(Multi-Layer)的结构，第一层薄膜沈积磷矽玻璃，第二层薄膜则沈积氮化矽，即可将元件线路结构与外界污染物隔离。

Mount Beigu wetland dominated by Phragmites communis ,which located in the middle and lower reaches of Yangtze River,was under the risk of contamination of heavy metals with the rapid urbanization and industrialization in the regions.

北固山芦苇湿地是长江中下游典型湿地类型之一，沿江工业化和城市化的快速发展使其面临严重的重金属污染威胁。

Data also showed that the risk of bio-contamination usually blocking the scale-up process of haematococcus pluvialis culture was well reduced, meanwhile astaxanthin content was greatly enriched.

结果表明，研究构建的培养模式降低了培养过程中的潜在风险，并大大提高了雨生红球藻虾青素含量。

Ultra-high molecular weight polyethylene is a special product in technical plastics which possesses a number of outstanding properties,including high toughness, high wear resistance, very good resistance to chemicals. It is poisonless, no pollution and contamination, recyclable, and size-stable as it resists to moisture and water absorption.

超高分子量聚乙烯性能优异，无毒、无污染、能回收利用、不吸水、尺寸稳定、抗磨损性能卓越、冲击韧性高、吸震防噪、摩擦系数小、不粘附、并且具有自润滑、耐低温、耐腐蚀的特性，是一种对环境和人体友好的绿色材料，广泛用于机械、食品、医疗设备等行业。

Preharvest aflatoxin contamination has been identified by the peanut industry as the most serious challenge facing the industry worldwide.

花生工业界认为收获前花生黄曲霉毒素的污染是全世界花生工业界面临的最严峻的挑战。

To prevent cross-contamination of the virus from different animals, the feed eaten by the breeding hens cannot contain animal products; they cannot test positive for Salmonella enteritidis, Salmonella pullorum or Salmonella typhi, nor for avian flu or avian leukosis viruses; and they must also be free of external hormones and antibiotics.

魏逸之称呼这些是「clean eggs」──为了避免不同动物体内的病毒交互感染，种鸡所吃的饲料不得含有动物成分；它们体内不得检出肠炎沙门氏杆菌、鸡白痢沙门氏杆菌、伤寒沙门氏杆菌，以及A型禽流感、禽白血病等病毒，也不得有贺尔蒙与抗生素的残留。

Laser pulpotomy seems to be very successful, even in teeth with large exposure sites, subjected to bacterial contamination for several days.

甚至对暴露较大，受污染数天的牙髓组织，该法疗效也很好。

The purpose of this study was to investigate the quality of LVP Pharmaceuticals in vitamin product and existing drug monitoring pyrogenic contamination, in order to ensue safety of the patients in Taiwan.

因此为确保民众用药安全并提升医药品质，本计画对於大型输注液中维生素制剂及非新药安全监视期间之学名药制剂进行品质监测。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。