查询词典 cadmium

4 kinds of crop seeds of Shawo radish, pumpkin, maize and dry radish were treated by cadmium solution with different concentrations (10, 20, 40, 60 and 80 mg/kg) to determine their germination percentage, seedling height and length of main radicel.

方法］用不同浓度(10、20、40、60和80mg/kg)的镉溶液处理沙窝青萝卜、西葫、玉米、旱萝卜4种作物种子，测定了各自的发芽率、幼苗高度及主胚根长度。

At present the company's comprehensive recovery reached the world leading level, is the gold, silver, cadmium, indium, bismuth and other rare metals of the major manufacturers.

目前公司的全面恢复达到世界领先水平，是金，银，镉，铟，铋和其他方面的主要制造商稀有金属。

Because of its rich in vitamin C, B1, B2 and 18 kinds of essential amino acids and iron, zinc, calcium, palladium, Luo, cadmium, and other nutrients and rare element, so regular consumption can play a disease-resistant, anti-cancer, refreshing, Liver, blood Qi, Run Fei Jin-sheng, Yangwei spleen, and beauty in tolerance.

由于其富含维生素C、B1、B2和18种人体必需的氨基酸及铁、锌、钙、钯、硌、镉等营养物质和稀有元素，所以常食用可起到抗病、抗癌、提神、保肝、补血益气、润肺生津、养胃健脾、养颜驻容的作用。

This study was conducted in Taiyuan sewage irrigation area from 1997 to 2000.The research process included field investigation, sampling, lab test, model experiment and data analysis by geo-statistics method. The source, affecting factors, content condition, transference regularity, spatial distribution of heavy metal in sewage irrigation area were studied. The results showed that mercury, cadmium and lead contents of soil were higher than soil background value.

本文以在中国北方具有代表性的太原污水灌溉区为研究对象，污灌区位于山西省中部的太原盆地北端，总面积2.7万公顷，在研究区共布土样点49个，粮食作物样33个，水样点26个，大气样点6个，通过实地调查取样监测和室内模拟试验，采用地统计学和多元统计等方法，系统研究了污灌区土壤-作物系统中重金属Hg、Cd、Pb的来源、含量状况、累积影响因素、空间分布特征、迁移转化规律、重金属环境容量的区域分异与应用等内容。

In the present study we evaluated the effect of cadmium and mercury exposed through medium and via algal food for the rotifer B.rubens.

在本研究中，通过在轮虫Brachionus rubens的培养基和食料中添加重金属这两种途径，我们评估了镉和铅的效应。

When grown on Chlorella exposed for different durations to cadmium,the rotifer density decreased with the increasing duration of algal exposure to the heavy metal.

而喂食经不同时间处理的绿藻后，轮虫的密度随着食料在重金属中处理时间的延长而减小。

The effects of nitrogen on plant growth and cadmium accumulation in hyperaccumulator of Sedum alfredii Hance were investigated using hydroponic culture.

通过水培试验，研究了氮素水平对超积累植物东南景天植株生长和镉吸收积累的影响。

In each nitrogen level treatment, root with 0 Nitrogen Root morphology Sedum alfredii Hance Cadmium

因此，研究根系对重金属胁迫的响应对于揭示植物吸收积累重金

Recent research in experimenting with lead selenide semiconductor, as well as with cadmium telluride, which has already been well established in the production of "classic" solar cells.

最近的研究与试验铅硒半导体，以及与碲化镉，其中已建立良好的太阳能电池生产的"经典"。

In an effort to overcome this problem, iron oxide and cadmium selenide nanocrystals were surrounded by lipid bilayers to create stable, aqueous dispersions.

为了克服这个问题，氧化铁和硒化镉纳米晶体包围脂质双层创造稳定，水分散。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。