查询词典 contamination

This article deals with the contamination and control observation of Trinitrotoluene in ocular conjunctivat sac of 20 rabbits in groups.

水文对20只实验家兔分组进行眼结膜囊内三硝基甲苯染毒和对照观察。

The methods of trophoblast isolation have deficiency of low product ion rate and other cells contamination.

原代培养的滋养层细胞存在产率低、杂细胞污染等方面的缺憾，而滋养层细胞又在细胞特性上发生了变化。

The results show that the indoor air is unpolluted and the main contamination is particulates with diameter of 10 μm or less, total volatile organic compounds and ozone; the pollution mostly comes from personnel, merchandise and outdoor air; the unacceptability ratio of the indoor air quality is 22.64%, so the indoor air is unacceptable; indoor persons have caught sick building syndrome; long time and low concentratio...

结果表明，商场室内处于未污染状况，主要污染物是可吸入颗粒物、总挥发性有机化合物和臭氧；主要污染来源于顾客、商品和室外空气；商场内人员对室内空气的不可接受率为22·64%，室内空气属于不可接受；室内人员已有病态建筑综合症发生；长时间低浓度污染，是室内污染的重要特征；室内人员对商场的温度、相对湿度和室内光照度、视觉环境等满意程度很高。

There are lots of courses for those problems and some can be explained with the economic theory. For example, the increasing depletion of marine fisheries resources is resulted from the unclarity of ownership to fishery resources, which produces the dissension between different regions and between the port developers and the government. And there are also conflict between the current interests and long-term interests. In addition, the contamination of marine environment is from the information asymmetry.

产生上述问题的根源有很多，有些问题可以从经济学理论中得到解释，如海洋渔业资源的日渐枯竭，根源在于渔业资源的产权归属不明晰，而港口资源的价值低估在于港口开发商与政府、政府当期利益与远期利益、不同区域之间等三个博弈"瓶颈"，海洋生态环境的破坏则是因为两方面的信息不对称。

For example, the increasing depletion of marine fisheries resources is resulted from the unclarity of ownership to fishery resources, which produces the dissension between different regions and between the port developers and the government. And there are also conflict between the current interests and long-term interests. In addition, the contamination of marine environment is from the information asymmetry.

产生上述问题的根源有很多，有些问题可以从经济学理论中得到解释，如海洋渔业资源的日渐枯竭，根源在于渔业资源的产权归属不明晰，而港口资源的价值低估在于港口开发商与政府、政府当期利益与远期利益、不同区域之间等三个博弈"瓶颈"，海洋生态环境的破坏则是因为两方面的信息不对称。

The barrier fillet, preferably compressed, serves to prevent contamination of the liquid crystal material by any regions of uncured epoxy.

阻挡层凸起带最好是可压缩的，用于防止液晶材料与任何区域的未固化环氧树脂材料混染。

How much of the water supply in Sichuan has been rendered undrinkable by chemical and/or bacterial contamination?

在四川，水源由于化学物与／或细菌污染变成无法饮用的程度如何？

In recent years there have been several radical outbreaks of disease, the origins of which can be traced back to the contamination of food products during food processing; a direct result of dirty or unhygienic factory space.

在最近几年也出现了一些激进的疾病突发事件的起源可追溯到污染食物产品在食品加工；直接造成的脏或不卫生的工厂空间。

Based on extrapolated organ shape criteria,we select ears that are in uninucleate period,carry out pretreatment in a 6~8℃ low-temperature condition for about 12 days, and callus induction rate can be enhanced in this way.② 1~2mm diameter should be the appropriate size for translocated callus,and plants grow to 4cm breeding for mature plants should be conducted in a timely manner.③ Get well down with sterilization,reduce contamination and strengthen greenhouse management,etc.

根据器官形态指标外推法选择花粉发育处于单核靠边期的幼穗，进行6~8℃低温预处理12d左右，可提高愈伤组织诱导率；②愈伤组织转移大小以直径1~2mm为宜，当绿苗长至4cm左右时及时进行壮苗培养；③做好接种材料、室内、人员的消毒和卫生工作，降低污染率，加强温室等的管理。

The results also showed that less shifts in soil microbial biomass and two ecophysiological parameters were occurred in planted soils as compared with the respective unplanted soils, suggesting that the influences on microorganisms by Pb contamination was related to different management and the clay and organic matter contents of the soils.

对21种磷脂脂肪酸的图谱进行分析，结果表明，受铅污染土壤的微生物群落结构组成伴随着功能参数的变化而发生了改变；随着铅污染程度的增强，指示真菌和放线菌类的脂肪酸增加，而革兰氏阳性菌与革兰氏阴性菌脂肪酸比值下降。

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％。