contamination的例句大全

According to their characteristics, the contamination source, hazard and prevention method of the contaminations are analyzed in the article.

本文按此分类对图书馆内主要污染物的来源、危害和防治进行分析。

Q2.Is it likely that contamination with the identified hazard could occur in excess of the acceptable level or could increase to an unacceptable level?

对于已识别的危害的污染情况是否极有可能发生超过可接受水平，或增加到不可接受水平？

Interaction between oil contamination and microbial community structure

石油污染与微生物群落结构的相互影响

Study of Microbial Remediation for Oil Contamination in Loess Region

黄土地区石油污染的微生物修复研究

An Inquiry into the Oil Contamination Control Method of Hydraulic System

液压系统油液污染控制方法探讨

A new system for detecting hydraulic oil contamination was presented.

研制了一种新型液压油污染检测系统。

The new method and instrument with the technology of Surface Plasmon Resonance ( SPR) for the water trace contamination is a cross-research on multi-disciplines.

将表面等离子共振（SPR）检测技术应用于生态环境痕量污染物检测新方法、新仪器的研究，是一项多学科交叉的研究课题。

Trace metal contamination in sediments of the Pearl River Estuary and the surrounding coastal area, South china;

华南珠江入海口及其周边海岸地区沉积物中痕量金属元素污染；

First, I analysed the trace, poisonous organic contamination, both qualitatively and quantitatively, by mass spectrometry ( GC/ MS) and gas chromatography, using an electron capture detector ( GC/ μ-ECD).

首先，利用化学仪器（GC-MS和GC-μECD）分析方法，根据不同的色谱条件对有机有毒微污染物进行了定性和定量分析，确定了这些物质的种类和浓度。

Second, it will help protect the inlays, purflings, and the rosette from color contamination due to the oils and dyes in the back and sides of the classical guitar.

其次，它会保护镶嵌，内饰线和音孔饰圈等不会相互染色，特别是来自背侧板的油脂和颜色。

The process can reduce the cost of purification by 60%, avoid contamination from conventional acid cooking process effectively, and realize good environmental and economic benefits.

该新工艺的实施，可降低提纯成本60%，有效避免了传统酸煮工艺带来的严重的环境污染，经济效益与环境效益显著。

Moreover, to investigate the interaction of carbon film and grid surface contamination ( i.e. barium oxide), two types of samples were prepared as follows: BaO/ Mo and BaO/ C/ Mo.

此外，为研究C薄膜与栅极表面污染物BaO的作用，制备了两种不同结构的样品：BaO/Mo和BaO/C/Mo。

Study on Nitrogen Contamination of Groundwater in Municipal Dumping Site and its Main Form

城市垃圾堆放场地下水的氮污染及其存在形态

Survey of contamination and efficacy of washing and disinfection of bedding in hotels

旅店业卧具污染及清洗消毒效果调查

Contamination of Drilling Fluid by Carbonate Ion and Bicarbonate Ion and Its Treatment

碳酸根和碳酸氢根离子对钻井液的污染及处理

Evaporate the test fluid with a gentle stream of dry air. Such as baking oven or electric blower without any organic contamination.

用温缓的热气流将光片上测试液蒸发。如不产生任何有机污染的局炉或热吹风。

When mechanical contamination is completely eradicated in the process of wheat seed reproduction by the technology of no-removing the off-types, the purity of foundation seeds and certified seeds are mainly determined by two factors of the breeder seed purity and the natural cross-pollination rate.

采取免去杂技术繁殖小麦种子时，决定所繁殖原种和良种纯度的2个主要因素是繁殖种纯度和品种天然异交率。

Objective To investigate the food contamination caused by foodborne pathogens in Guangzhou.

目的了解广州市市售食品中食源性致病菌的污染状况.

In bacteriological examination of environmental pollution, the coliform bacteria detection are indicators of fecal contamination and the number of coliform bacteria is determine the level of faecal pollution degree and the dangers sizes to human and poultry health.

在环境微生物学检验中，不仅以检出大肠菌群作为粪便污染的指标菌，同时还以大肠菌群数量的高低、致病性等，来判断环境受污染的程度及对人类和动物健康的危害性。

Overview of diseases associated with poor water supplies and sanitation; waterwashed diseases, waterborne diseases, waterassociated diseases; diseases associated with fecal contamination of the environment; water and sanitation as a fundamental need for human health.

综述与缺乏水供给及缺乏卫生设备相关的疾病水体卫生疾病水传染的疾病和水相关的疾病排泄物污染环境所带来的疾病水与卫生设备是人类卫生的基本需要。