查询词典 contamination

METHODS The gastroscope and enteroscope before and after use on randomly selected outpatients and inpatients were examined on their contamination,and the efficacy of EOW was compared with that of glutaraldehyde.

方法随机抽取门诊和住院患者做无痛胃镜和肠镜检查污染前后胃、肠镜，采用戊二醛消毒液为对照，比较两者的消毒效果、对人体的危害性及稳定性进行临床观察。

It has been reported that NDP kinase has weak interaction with Hsp70, which can increase the ATP hydrolysis activity, so we carefully examined the possibility of NDP kinase contamination in the experiment. The equimolar mixture of NDP kinase and Hsp70 were digested and then 44-kD fragment was purified.

为获得准确的结论排除NDP激酶可能对实验的影响，按照纯化Hsp70 44-kD片段的方法对等物质量NDP激酶和Hsp70混合物进行酶切、纯化，检测得到的44-kD片段的ATP-ADP转换活性，确定Hsp70 ATP-ADP转换活性是Hsp70自身固有的，位于其N端44-kD片段处。

BACTEC 960 system is more efficient than L-J medium for recovery of mycobacteria from extrapulmonary specimens. However, its contamination rate is a little higher.

对肺外标本中分枝杆菌的分离培养，BACTEC 960系统较改良罗氏培养基更为高效，但污染率略高。

In their Respiratory Protection standard, 29 CFR 1910.134, OSHA does require that respirators be stored to protect them from damage, contamination, dust, sunlight, extreme temperatures, excessive moisture, and damaging chemicals, and that they be stored to prevent deformation of the facepiece and exhalation valve.

在OSHA 的呼吸保护标准29CFR1910.134中，规定呼吸器应储存在安全、无污染、无尘、无日光照射、无极端温度、无高湿、无有害化学物的环境中，储存中应防止呼吸器面罩和呼气阀的变形。

In addition, we can not be anxious of carcontaminating to theenvironment, since the flyable car has different engine-the electric andmagnetic.

另外通常汽车造成的是 air contamination ，除非你想要特别指出车子本身即使不开动，就是污染物

OBJECTIVE To understand the status of gastroscope contamination.

目的 了解胃镜污染状况。

Objective To investigate the influencing factor of microbial contamination of germfree rats by sterile examination.

目的 对无菌大鼠进行无菌检测，分析其微生物污染的多种影响因素。

Deoxynivalenol is a type of harmful mycotoxin produced by Fusarium graminearum Schwabe teleomorph Gibberella zeae (Schwein Petch when fusarium head blight is epidemic in wheat. DON contamination in harvested grain can significantly lower market grade, and result in significant discount in price to the farmers.

脱氧雪腐镰刀菌烯醇(Deoxynivalenol， DON)是小麦遭受赤霉病危害后由赤霉病菌－禾谷镰刀菌产生的一种真菌毒素，这种毒素对人类和家畜的健康产生危害，严重地影响小麦的利用价值。

Several hemoclastic reactions were considered as caused by gross contamination of the bloodstream from the sites of wounds or from the peritoneal cavity.

几个红细胞破坏反应被认为是由从伤口或从腹腔血液引起的严重污染。

Based on the detailed water quality monitoring data of about 317 hydrometric stations from 1960 to 2000 and water quantity data of 20 hydrometric stations between 1919 and 2000 included in the Hydrological Yearbooks, which were all published by Yellow River Conservancy Commission, and socio-economic data related to the Yellow River, the characteristics of water quantity, major ion chemistry, organic contamination and their mechanisms, and integrated watershed management issues of the Yellow River have been systematically studied in this work.

本文在全面分析黄河流域300余水文站过去40年（1960—2000）水质资料和干支流20余水文站过去近50年（1950—2000）径流量资料的基础上，研究了：（1）、黄河水量的基本特征和近40年来的变化，重点讨论了黄河下游&断流&现象的发展及原因：（2）、黄河天然水质的基本特征、区域分布和影响因素；（3）、黄河天然水质40年来的变化趋势及原因；（4）、黄河水系氮污染和有机污染的特征、近40年来的发展，及其与社会经济发展的关系；（5）、黄河下游水质变化与水量变化的关系；以及，（6）、黄河水质水量管理中的制度安排问题。

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％。