clean rain

用法例句

Nanometer mineral materials applied in purifying chromium-containing pollutants

应用纳米矿物材料处理含Cr污染物的研究

Pb, Cr, Cd, As and Hg were chosen as representatives for different kinds of heavy metals and the main purpose was to find the proper reactive conditions for simultaneously stabilizing all of them with emphasis on Cr stabilization.

厌氧阶段的设置、CO2的辅助处理、提高绿矾的用量都有助于Cr的稳定化;同时使用CO2辅助处理也有助于As的稳定化,但CO2只适用于强碱性、高酸中和能力的灰渣。

Influence of chromium additions on the crystalline size and magnetic properties of nanocom-posite Nd2Fe14B/.

5,1,2)的纳米晶复合永磁合金,研究了Cr的添加对合金晶粒尺寸及磁性能的影响,结果表明适量Cr的添加能有效抑制磁性相晶粒长大,提高了合金的矫顽力。

Nanometer mineral materials applied in purifying chromium-containing pollutants

应用纳米矿物材料处理含Cr污染物的研究

Acid Volatile Sulfide and Bioaccumulation of Cr in Sediments from a Municipal Polluted River

城市污染河道沉积物中AVS与Cr的生物积累研究

Study on the detoxification of Cr(Ⅵ)-contaminated soil by pyrolysis

Cr(Ⅵ)污染土壤的热解还原无害化处理

The Analysis Technique for Cr Isotope and Its Application in Water Contamination Research;

Cr同位素分析技术及其在水污染研究中的应用

Experimental Study on the Treatment of Cd, Pb and Cr-polluted Soil with Lime and Fly Ash

石灰、粉煤灰处理Cd、Pb、Cr污染土壤的试验研究

Effect of Hg,Cr and Pb Single Pollution to Photosynthesis in Mung Bean

土壤Hg、Cr和Pb单一污染对绿豆光合作用的影响

completely free from dirt or contamination.

完全没有污垢和污染物。

not spreading pollution or contamination; especially radioactive contamination.

不会散布污染或者污染物；特别是放射性污染物。

contaminated with infecting organisms.

被传染性微生物污染的。

contaminated clothing,eg by radio-active material

受污染的衣物（如受放射性物质污染）

(2) "Pollutant" means a substance that is capable of causing water pollution.

　　(二)“污染物”是指能导致水污染的物质。

Impacts of Cr～(6+) on the activity of activited sludge and the organic matter degradation rate

Cr~(6+)对活性污泥活性及有机物去除速率的影响

Two Kinds of Lawn Grass Growth Responses to Cr(Ⅲ) Stress in Sterilized and Non-sterilized Soils;

灭菌与非灭菌土壤中Cr~（3+）污染对两种草坪草生长的影响

The Pollution Effects of the Single and Composite Stress of Pb,Cr and Cd on Protection System of Wheat Membrane;

Pb、Cr、Cd单一及其复合污染胁迫对小麦膜保护系统的影响

The emergent repairing process of slowly released iron (Ⅲ) chloride-magnetic module without damage for treating the surface water body polluted by Cr～(3+)

缓释氯化铁-磁性模块处理Cr~(3+)污染地表水体的应急无损修复工艺

Pollution Assessment of Cu,Zn,Pb and Cr in Urban Green-belt Soil of Different Land Use Types in Shanghai

上海市不同土地利用方式绿地土壤中Cu、Zn、Pb和Cr的污染评价

Cr(Ⅵ)-pollution Mechanism and Control Method of Groundwater in Haibei Chemical Plant of Haiyan County,Qinghai Province

青海海晏海北化工厂地下水Cr(Ⅵ)污染机理及治理方案

chemical residue and contaminant

化学物质残滓及污染物