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重金属     
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  heavy metal
     Biomonitoring Toxicity of Nitrogen, Phosphorus and Heavy Metal in Water and Soil by the Phototactic Behavior of Daphnia
     利用水溞趋光行为监测水体及土壤中氮磷与重金属的生物毒性
短句来源
     Studies on the Heavy Metal Ecological Behaviors of Soil--Citrus System in the Three Gorge Reservoir Region in Chongqing
     重庆三峡库区土壤——柑桔系统重金属生态行为研究
短句来源
     Study on Surface Characteristics of Organic Modified Soil and Its Adsorption Peculiarity & Mechanism for Organic and Heavy Metal Pollutants
     有机改性土表面特性及对有机、重金属污染物吸附特征和机理的研究
短句来源
     Characterization of Heavy Metal Accumulation of Brassica Vegetable Genus and mRNA Differential Display and Clonning of Cd Resistance Gene
     芸苔属蔬菜重金属累积特性及抗Cd基因的差异表达与克隆
短句来源
     Solidification and Stabilization of Heavy Metal Waste Using Reject Fly Ash Activated by FGD
     用FGD激活废弃粗粉煤灰固化/稳定重金属废物的研究
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  heavy metals
     Molecular Mechanism of Heavy Metals Toxicity and Tolerance in Rice (Oryza Sativa L.) and Wheat (Triticum Aestivum L.)
     水稻(Oryza sativa L.)和小麦(Triticum aestivum L.)的重金属毒害与耐性的分子机理研究
短句来源
     Study on Microbial Ecological Characteristics and Biological Indexes in Red Soils Polluted by Heavy Metals
     重金属污染下红壤微生物生态特征及生物学指标研究
短句来源
     Study on Control Mechanism of Heavy Metals in Sewage Sludge and Use of Sewage Sludge Compost
     城市污水污泥重金属控制机理及堆肥利用的研究
短句来源
     Study of Enviromental Geochemical Baseline of Pollutional Heavy Metals in Surficial Soil of Guiyang, Guizhou
     贵阳市表层土壤重金属污染元素环境地球化学基线研究
短句来源
     Ecotoxicological Study of Heavy Metals on Lemna Aequinoctialis and Spirodela Polyrrhiza
     稀脉萍(Lemna aequinoctialis)和紫萍(Spirodela polyrrhiza)的重金属生态毒理学研究
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  metal
     Metals'Molecular Toxicity and Accumulation Mechanism In Fish(Carassius Auratus)Exposed To A Metal Mixture
     混合重金属离子在鲫鱼(Carassius auratus)中的积累机制与分子毒性研究
短句来源
     Biomonitoring Toxicity of Nitrogen, Phosphorus and Heavy Metal in Water and Soil by the Phototactic Behavior of Daphnia
     利用水溞趋光行为监测水体及土壤中氮磷与重金属的生物毒性
短句来源
     Studies on the Heavy Metal Ecological Behaviors of Soil--Citrus System in the Three Gorge Reservoir Region in Chongqing
     重庆三峡库区土壤——柑桔系统重金属生态行为研究
短句来源
     Study on Surface Characteristics of Organic Modified Soil and Its Adsorption Peculiarity & Mechanism for Organic and Heavy Metal Pollutants
     有机改性土表面特性及对有机、重金属污染物吸附特征和机理的研究
短句来源
     Characterization of Heavy Metal Accumulation of Brassica Vegetable Genus and mRNA Differential Display and Clonning of Cd Resistance Gene
     芸苔属蔬菜重金属累积特性及抗Cd基因的差异表达与克隆
短句来源
更多       
  heavy-metal
     Structure and Some Optical Properties of the Heavy-Metal Oxide Glass PbO-Bi_2O_3-B_2O_3-SiO_2
     PbO-Bi_2O_3-B_2O_3-SiO_2系重金属氧化物玻璃的结构与光学性
短句来源
     Reaction of Peroxidase of Maize(Zea mays L.) from Heavy-metal Polluted Environment to the Stress of Pb~(2+)
     重金属污染环境来源的玉米POD对Pb~(2+)的胁迫反应
短句来源
     On the basis of 25-year study on long-term located experiments of fertilizer,analysis is made on he change tendency of heavy-metal content in soil of 0~20 cm which are treatd with six different fertilization trails detailed as fertilizing by N,NP,NPK,N+organic fertilizer,N+straw and no fertilizer.
     在25年长期定位试验研究基础上,分析了无肥、N、NP、NPK、N+有机肥和N+秸秆6个不同施肥处理的0~20cm土壤重金属Cu、Zn、Cd、Cr、Hg和As的含量变化。
短句来源
     Due to the relative higher third-order nonlinear optical susceptibility, ultra-fast response speed and wider infrared transmittance window, the TeO_2-Nb_2O_5 heavy-metal oxide glass has become a kind of significantly promising material for nonlinear optical apparatus.
     TeO2 -Nb2O5 系统重金属氧化物玻璃以其优良的三阶非线性光学效应、超快光学响应和较宽透过窗口而成为一种极具应用潜力的非线性光学玻璃材料。
短句来源
     Technology of Electrodynamics Renovation of Heavy-Metal Polluted Groundwater
     重金属污染地下水的电动力学修复技术
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  heavy metal
Genetic differentiation of Arthrobacter population from heavy metal-contaminated environment
      
canadensis has a high tolerance for contamination by heavy metal elements including Zn, Cu and Pb, but has low accumulation coefficients for these elements.3)S.
      
Heavy metal pollutants may enter the human food chain through agricultural products and groundwater from the polluted soils.
      
Therefore, new and effective methods to decrease the risk of heavy metal pollution in crops and to clean the contaminated soils are urgently needed.
      
According to the percentage of damaged DNA with tail and its TL/D (tail length to diameter of nucleus) value, the relationship between DNA damage degree and heavy metal dose and exposure time was determined.
      
更多          
  heavy metals
The BET surface area was 298 m2·g-1 and the contents of heavy metals in the leachate didn't exceed the contents limit.
      
Our data provided evidence that genetic differentiation of microbial populations was consistent with the changes of environmental factors, particularly heavy metals.
      
Pollution of agricultural land by heavy metals has imposed an increasingly serious risk to environmental and human health in recent years.
      
If we can find crop germplasms that take in low concentrations of heavy metals in their edible parts and high content of the metals in their inedible parts, then we can use these selected species or varieties for soil remediation.
      
Effects of heavy metals Cd2+, Pb2+ and Zn2+ on DNA damage of loach Misgurnus anguillicaudatus
      
更多          
  metal
Design and synthesis of structurally well-defined functional polypropylenes via transition metal-mediated olefin polymerization
      
This paper summarizes our recent effort to access structurally well-defined functional polypropylenes via transition metal-mediated olefin polymerization.
      
XRD pattern and SEM micrograph showed a good dispersion of ammonium carnallite and anhydrous magnesium chloride crystals with well-distributed big grains, just enough to meet the need for the production of magnesium metal in the electrolysis process.
      
Syntheses and metal ions recognition of dendritic calix[n]arenes (n = 6,8) amide derivative
      
The recognition properties of these amide derivatives for several kinds of metal ions were studied with UV-Vis spectroscopy.
      
更多          
  heavy-metal
The procedures have been applied to the control of water purification and the determination of both heavy-metal ions and the KF-91 flocculant (2-methyl-N-methylpiridinium-5-polyvinyl methyl sulfate).
      
The chromatographic behavior of heavy-metal (Pb, Cd, Cu, Hg, and Ni) complexes of unithiol was studied by ion-pair reversed-phase chromatography using new ion-pair reagents: tetrabutylphosphonium and tributylhexadecylphosphonium bromides.
      
Enzyme assay is proposed for improving the selectivity of the determination of an organophosphorus (carbamate) insecticide in the presence of a heavy-metal salt in a sample (exemplified by a model system containing proserine and mercuric bromide).
      
Electrochemical Sample Preparation for the Voltammetric Determination of Heavy-Metal Ions in Wine
      
Study on the Determination of Heavy-Metal Ions in Tobacco and Tobacco Additives by Microwave Digestion and HPLC with PAD Detecti
      
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