查询词典 contamination

After fitting of the valve, the valve should be maintained in a closed position to prevent any contamination from entering the cylinder.

连接好阀门后，阀门应保持关闭位置，为防止任何污染进入气瓶。

Vacuum filter holders are used for filtration of mobile phase of HPLC, particulate and microbiological contamination.

真空过滤装置主要应用于高效液相色谱流动相过滤、粒子物质分析和微生物污染检测。

Vacuum filter holders are used for filtration of mobile phase of HPLC, particulatemicrobiological contamination.

真空过滤装置主要应用于高效液相色谱流动相过滤、粒子物质分析和微生物污染检测。

Vacuum filter aqueous, organic or corrosive liquids for particulate contamination analysis.

主要应用于水相，有机相，及腐蚀性液体的过滤，用于特定污染物的分析。

If the environment does not allow any contamination can choose oil-free vacuum pump, or the oil vapor outside.

如果环境不允许有污染，可以选无油真空泵，或者把油蒸气排到室外。

Xinhuanet Hainan September 3 news us July 23 Dengfa's "real estate survey, two-family residential property owners a letter of complaint with the pain" mentioned in one long letter Seaview Garden plot owners on the contamination of drinking water by the sea long letter to Real Estate Development Company Limited, Haikou long letter Chelsea Property Management Ltd to court.

55个业主的物业管理公司后，在该条例实施的第一例琼日电9月3日海南新闻我们7月23日登的&房地产调查结果显示，两个家庭的住宅物业业主的投诉信的疼痛&中提到的一个长信海景花园阴谋业主污染的饮用水的海上长信房地产开发有限公司，海口长信物业管理有限公司切尔西法庭。

Third-hand smoke is the residual contamination from tobacco smoke that remains after a cigarette is put out.

三手烟是指由吸烟引起的残留烟草烟尘中的残余污染物质。

We can also cover the other kinds of insurance, including theft and pilferage, freshwater, oil, contamination hooks, etc.

还包括偷窃险、淡水险、油渍险、玷污险、钩损险等

A review with 15 references is given on the factors result in lead contamination in tea leaves based on the related researches of recent years.

根据近年来国内外对茶叶铅污染研究的相关报道，综述了茶叶中铅污染的主要来源。

A review with 20 references is given on the general status of lead contamination in tea leaves and points out that lead superscale is a severe problem in our country at present.

介绍了我国茶叶中铅污染的大致情况，指出我国茶叶中的铅超标问题是一个不争的事实。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷