In methanogenic zone/ sulfate reduction zone and iron reduction zone, deposit of Fe~ ( 2+) led to ion-exchangeable Fe~ ( 2+) content increased from 0.5% of uncontaminated aquifer sediments to 3% and 1.84% respectively.

The paper focuses on the mercury contents in wheat, vegetable and fruit in mercury contaminated farmland soils in the Tongguan gold area and their comparison with those in uncontaminated farmland soils, as well as the crop effect of mercury contamination of soils.

以潼关金矿区农田土壤Hg污染区的小麦、蔬菜、水果中的Hg含量为重点研究对象，与尚未污染的农田土壤区进行对比，研究土壤Hg污染的农作物效应。

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To coordinate the relationship of environment, resources, food and health well, and fit in with the people's demand of agricultural product and the needs of social sustained development, all the countries over the world have been put forward to envisage in developing uncontaminated produce.

为更好地协调环境、资源、食品、健康的关系，适应人们对农产品需求的变化及社会可持续发展的需要，世界各国纷纷提出了发展无污染农产品的设想。

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Vegetable base are a part of the cultivated land, in order to produce the uncontaminated, good-quality and high-output green vegetables, we must fully recognize the important function which vegetable produce base fertility and environmental quality play.

蔬菜基地是耕地的一部分，为了生产出优质高产的无公害蔬菜，必须充分认识到蔬菜地土壤类型、肥力及环境所起的重要作用。

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The project extracts alumina by sulfuric acid from coal fly ash, the surplus silicon dioxide were made into white carbon black. So that the project can realize the use which is uncontaminated and have additional value.

本项目以粉煤灰为原料，采用酸法提取氧化铝，提取氧化铝后的二氧化硅制备白炭黑，实现粉煤灰的无污染高附加值利用。

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The results showed a decrease of pH and base saturation, and increase content of exchangeable acidity in both uncontaminated and contaminated red soil and yellow red soil within the pH decreasing of simulated acid rain, significantly.

结果表明，随模拟酸雨pH值下降，土壤pH值和盐基饱和度明显降低，而交换性酸度明显增加，污染土壤中交换性氢含量比未污染土壤高，而交换性铝含量比未污染土壤低。

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In China, basic things such as uncontaminated baby formula, clean air, top-quality schools and private hospitals are luxuries, out of reach of many members of the middle class.

那些日常的东西，比如安全的婴儿奶粉、洁净的空气、教学质量一流的学校和私人医院都是一种奢侈品，是普通的中产阶级可望而不可及的。

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Moreover, the corneal stromal cells digested by trypsin would grow together with epithelial cells or endothelial cells, but the pure uncontaminated stromal cells could obtain after 4-5 passages.

消化法培养时有时会出现与角膜上皮细胞和内皮细胞一起生长的现象，经4～5次传代后可获得纯化的角膜基质细胞。

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Estimated fuel cell system have widely application prospects and large potential markets in uncontaminated coal fuel cell stations, electric automobiles, portable powers, continuous powers, submarines and space powers.

预计燃料电池系统将在洁净煤燃料电池电站、电动汽车、移动电源、不间断电源、潜艇及空间电源等方面有着广泛的应用前景和巨大的潜在市场。

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A modest but steady increase in reported congenital malformations in both contaminated and uncontaminated areas of Belarus appears related to improved reporting and not to radiation exposure.

白俄罗斯受污染和未受污染地区报告的先天畸形病例都有适度但稳定的增加，这似乎与改进报告工作有关，而不是与接触辐射有关。

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And to keep his individual self intact, self-contained, self-sufficient, uncontaminated by compromise or hypocrisy,? was his ideal.

他的理想是，使个人保持自我完整、独立、自给自足、不必妥协、不必虚伪。

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Results were shown as follows: more than 75 percent of total heavy metal Cd or Cu in uncontaminated soils was associated with iron oxide fraction and residual fraction.

结果表明：未污染土壤中重金属镉、铜主要为氧化铁结合态和残渣态，占土壤重金属全量的75%以上；

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The results of DGGE indicated that there are some common DNA strands in both uncontaminated and contaminated soils, but there existed difference in strand strength.

DGGE分析结果表明，在未受氯酚污染和受氯酚污染的土壤样品中，存在一些共同的DNA谱带，但谱带强度有明显的差异。

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And another boulder standing in the construction of the Tang Dynasty in the seven exquisite pagodas, and three of the giant Buddha uncontaminated.

而屹立于另一巨石上建造于唐代的七级玲珑宝塔，则与三巨佛相为映衬。

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In a perfectly controlled and totally sterile environment uncontaminated by dirt, insects or fresh air Japanese scientists are developing a new way of growing vegetables.

日本科学家正在开发一项蔬菜种植的新方法：整个环境完全由人工控制而且完全无菌，也说，这是既灰尘也昆虫和新鲜空气的环境。

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Functional examination of islet cells in vitro insulin releasing test was used to determine the secretory functions of uncontaminated islet cells after purification and culture.

胰岛细胞的功能测定：采用体外胰岛素释放试验，测定纯化培养后未被污染的胰岛细胞功能。

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By using a suitable water-cooling ceramic crucible, we can obtain the uncontaminated alloy ingots with homogenous and accurate composition.

若采用水冷坩埚可得到一次熔炼成份均匀、准确且不被坩埚污染的合金熔锭。

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Then possible noise was filtered with an adaptive method, which can preserve details to a great extent by keeping uncontaminated pixels unchanged.

然后对可能的噪声点进行自适应的滤波处理，使非噪声点的原有灰度保持不变，以最大程度地保持图像的真实性；

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Because each pixel of the image is processed in the traditional method, the gray scale value of uncontaminated pixels are also changed.

由于传统的中值滤波对图像中的每个像素均进行处理，从而使得未被噪声污染的像素的灰度值也发生了改变。

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Uncontaminated water is normally used as seal water for vacuum pumps and for compressor cooling as well as for sanitary use.

未污染的水通常用作真空泵的密封水和压缩机的冷却水以及供保健用。

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Emotional and transparent image of mountain streams uncontaminated streams, lively and smooth.

情绪透明的的像山涧中未经污染的小溪，欢快而流畅。

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