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.

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。

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；

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。

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。

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

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

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

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？

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。

This article summarizes the physiological and biochemical characteristics, distribution, sources of contamination, hazard and the detections methods of listeria monocytogenes.

本文综述了单核细胞增生李斯特菌的生理生化特征、分布、污染途径、危害与流行病学概况和检测方法。

The contamination and hazard of lubricating oil in engine running-in time was analyzed.

分析了发动机生产线磨合油的污染及危害；

Diagnosis on formaldehyde aerial contamination in newly decorated houses in Longyan

龙岩市新装修房室内空气中甲醛污染调查分析

Contaminated food during processing was a possible cause and might lead to potential outbreaks.

部分食品在加工环节有可能被污染，存在引起暴发的危险性。

Her infection was traced to contaminated food.

她的感染被查出是由受到污染的食物所致。

Growers complained that the FDA's failure to identify the source of contaminated food quickly intensified public fears.

种植者抱怨说，FDA未能尽快查明受污染食物来源，加强了公众的担忧。

The newspapers are feeding public anxiety about contaminated food.

报纸在加深公众对受污染食物的忧虑。

Study on heavy metals in soil contaminated by coal waste rock pile

矿区煤矸石堆放引起土壤重金属污染研究

In order to get the ideal outcome of matrix acidification, a large numbers of acid must be used to penetrate the contaminated zone.

基质酸化要想得到理想的结果，必须采用大酸量才能深穿透污染带。

Standstill time in radioactive contaminated zone;

放射性沾染区停留时间；

The models are applied to study the phenolic contaminated zone of the Changjiang River in Wuhan reach.

对长江武汉段工业港酚污染带作了应用研究。