查询词典 contamination

Gowning worn, personal protective equipment and Procedures used in laboratories must be adequate to protect the personnel and, where applicable, to protect the test operation from extraneous contamination.

应有防护衣、人防护设备及实验操作规程以避免实验过程中的外界污染。

In the aspect of harnessing theenvironmental contamination,it is to play a crucial role.

它将在环境污染治理方面，扮演极其重要的角色。

Salmonella contamination more than three quarters in a year was found in 3 hatcheries. Two of them closed after then. Five hatcheries were contaminated with fungus for more than three quarters in a year.

以3季以上污染为标准，有3个孵化室受沙门氏菌的污染，有2个受沙门氏菌污染的孵化室关闭；5个孵化室受霉菌的污染。

Objective To develop a new kind of herbal humidified fluid, which can reduce the rate of contamination of humidified fluid in oxygen administration and prevent the occurrence of nosocomial pneumonia. Methods To be divided into two periods.

研究目的研制一种新型的中药氧气湿化液——复方黄连氧气湿化液，以解决现行氧疗中湿化液污染的严重问题，降低湿化液的污染率，预防医院内肺部感染的发生。

Objective To investigate the state of air contamination in air-conditioned bus and to provide evidences for instituting relevant countermeasures.

目的 了解不同乘客人数、不同季节、不同天气条件的空调公共汽车内空气污染状况，为制定相应的防制对策提供依据。

In a study of saliva contamination, canals were instrumented in vitro and filled, but not closedcoronally.

在一项唾液污染的体外研究中，根管预备后根管充填，但是没有冠方封闭。

The test results show that the pneumatic milling process not only can solve the milling technology with big particle size of UO 2 powder and environment contamination during milling operation, but also can reduce the time of ADU reduction, and the UO 2 powder after reduction by kilning and without stabilizing and sieving can be directly introduced into milling device for pneumatic milling.

研究结果表明：采用该技术，不仅能够较好地解决大颗粒UO2粉末的粉碎技术和环境污染等问题，同时还能进一步缩短重铀酸铵脱氟还原的工艺过程。

The ash that is buried at the landfills leaches the area and cause severs contamination.

灰，是埋在堆填leaches面积和事业severs污染。

The results showed that pre-treatment and antibiotic marinating for 5 h and suffocating for 12 min as well as ordinary disinfection for 12 min for surface disinfection could effectively control explant contamination. the contaminate rate with this method would be less than 20%.

结果表明：采用抗菌素浸泡5 h、熏蒸12 min并配合常规消毒处理(75%酒精浸泡1 min；3.0%～5.0%的次氯酸钠和0.1%升汞1∶1混合溶液浸泡10～12 min)对外植体进行综合灭菌，能较快地杀灭竹芋外植体表面细菌，使初次接种污染率控制在20%以下。

Contamination by furnace gases is obviated and charges from 1 to 5 tonnes can be melted with resultant economy.

污染炉气体是避免和收费1日至5吨，可融化，造成经济。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！