1)Soil Cd contamination土壤镉污染
1.In this paper,the gradient(0,10,20,40,80mg·kg-1)of soil Cd concentrations was established by mixing CdCl2 with soil,and some ecophysiological responses of five willow clones,Salix 1,Salix 2,Salix E,Salix C and Salix matsudana,to soil Cd contamination were studied by growing their cut seedlings in pots under the nature environment.kg-1),以乡土旱柳为对照,对能柳1、能柳2、能柳E、能柳C的扦插幼苗对土壤镉污染的生理生态反应进行了系统测定,分析了不同无性系的抗性。
英文短句/例句
1.Research on Treatments of Phosphorus Application for the Soils Polluted with Cd and/or Simulated Acid Rain;应用磷治理土壤镉污染以及镉与模拟酸雨复合污染的研究
2.Adsorption of Cadmium (Ⅱ) in Soil with Modified Bentonite-Chitosan Adsorbent壳聚糖改性膨润土修复土壤镉污染的研究
3.EFFECT OF CADMIUM-CONTAMINATED SOIL ON GROWTH, UP-TARING AND ACCUMULATION IN SESAME土壤镉污染对芝麻生长及吸收累积的影响
4.Effects and Regulation Mechanism of Solanum Nigrum L. Accumulates Heavy Metales Pollution of Soil;龙葵对土壤镉污染的修复效应及其调控机理
5.Biological Effects of Nitrogen Application on Pakchoi Grown on Cadmium-contaminated Loessial Soil;土壤镉污染下小白菜对氮肥的生物学反应
6.Effects of Cadmium Pollution in soil on Physiological and Biochemical Index of Allium sativum L.土壤镉污染对大蒜生理生化指标的影响
7.Effect of Cadmium on the Growth of Flowering Chinese Cabbage and Studies on Remediation of Cadmium Contaminated Soil;镉对菜心生长的影响及镉污染土壤的治理研究
8.Effect of Several Nitrogenous and Potassium Fertilizers on Availabilities of Plumbum and Cadmium in Plumbum or Cadmium Polluted Soil;不同氮钾肥对铅镉污染土壤铅镉有效性的影响
9.The Research on Transference Rule of Cadmium in Cd-contaminated Soil in the Seasons不同季节镉污染土壤镉运移规律的研究
10.Tolerance and Phytoremediation Potential of Ramie for Cadmium Contaminated Soil苎麻镉耐受性及其修复镉污染土壤潜力研究
11.Bioremediation of Cd contaminated soil and a study of its enzyme activity生物处理镉污染土壤及其酶活性研究
12.Isolation and the Mechanism of Cd～(2+) Adsorption of a Cadmium-Tolerant Bacterium and Its Application in Restoring Cadmium-Contaminated Soils;耐镉细菌筛选与吸附镉机理研究及其在镉污染土壤修复中的应用
13.Study of Soil Remediation of Sisal and Lime on Cu-Cd-contaminated Soil;剑麻与石灰对铜、镉污染土壤修复的研究
14.A Study on Remedying the Soil Contaminated with Cadmium and Lead by Applying Four Mineral Materials;四种矿物材料修复土壤镉、铅污染的规律研究
15.Contaminative Actuality and Analytic Study of Cd in Agricultural Soils of Guizhou Province;贵州省农业土壤中镉的污染现状与分析研究
16.Studies on Mechanisms of External Phosphorus-Remediation of the Soil Contaminated with Cadmium (Cd) and Zinc (Zn);外源磷对镉、锌复合污染土壤修复的机理研究
17.Response of Four Ornamental Tree Species to Soil Cadmium and Lead Contamination;四种城市绿化树种对土壤镉铅污染的抗性研究
18.Study on the Interactions of Earthworm-Induced Phytoremediation of Soils Contaminated by Cu and Cd;铜、镉污染土壤的“蚯蚓诱导—植物修复”作用研究
相关短句/例句
Cd contaminated soil镉污染土壤
1.Study on the amelioration effect of meerschaum in Cd contaminated soil;海泡石对镉污染土壤改良效果的研究
2.The remediation effects of cotton stalk carbon on Cd contaminated soil and the influence of cotton stalk carbon on the uptake of Cd of Brassica chinensis in Cd contaminated soil were studied by pot experiment.采用盆栽方法,研究了棉秆炭对镉污染土壤的修复效果及对镉污染土壤上小白菜(Brassica chinensis)镉吸收的影响。
3)Cd-Pb contaminated soil镉铅污染土壤
4)Cd-Pb-Zn contaminated soil镉铅锌污染土壤
5)remediation of Cd contaminated soil土壤镉污染修复
6)Soil pollution土壤污染
1.Foreign soil pollution control legal system for China's Inspiration;国外土壤污染防治法律制度对我国的启示
2.Study on soil pollution and countermeasure for pollution control of Dongguang county;东光县局部土壤污染调查及污染防治对策
3.The Present Conditions and Remediation of soil pollution in Hunan;湖南省土壤污染现状与修复
延伸阅读
镉污染对健康的影响 镉是对人体有害的元素，在自然界中多以化合态存在,含量很低,大气中含镉量一般不超过0.003微克／米3，水中不超过 10微克／升，每公斤土壤中不超过0.5毫克。这样低的浓度，不会影响人体健康。镉常与锌、铅等共生。环境受到镉污染后，镉可在生物体内富集，通过食物链进入人体，引起慢性中毒。 污染来源 20世纪初发现镉以来，镉的产量逐年增加。相当数量的镉通过废气、废水、废渣排入环境，造成污染。污染源主要是铅锌矿,以及有色金属冶炼、电镀和用镉化合物作原料或触媒的工厂。镉对土壤的污染主要有气型和水型两种。气型污染主要来自工业废气。镉随废气扩散到工厂周围并自然沉降，蓄集于工厂周围的土壤中,可使土壤中的镉浓度达到40ppm。污染范围有的可达数公里。水型污染主要是铅锌矿的选矿废水和有关工业（电镀、碱性电池等）废水排入地面水或渗入地下水引起的。 危害和机理 进入人体的镉，在体内形成镉硫蛋白，通过血液到达全身，并有选择性地蓄积于肾、肝中。肾脏可蓄积吸收量的1/3，是镉中毒的靶器官。此外,在脾、胰、甲状腺、睾丸和毛发也有一定的蓄积。镉的排泄途径主要通过粪便，也有少量从尿中排出。在正常人的血中，镉含量很低，接触镉后会增高，但停止接触后可迅速恢复正常。镉与含羟基、氨基、巯基的蛋白质分子结合，能使许多酶系统受到抑制，从而影响肝、肾器官中酶系统的正常功能。镉还会损伤肾小管，使人出现糖尿、蛋白尿和氨基酸尿等症状，并使尿钙和尿酸的排出量增加。肾功能不全又会影响维生素D3的活性，使骨骼的生长代谢受阻碍，从而造成骨骼疏松、萎缩、变形等。慢性镉中毒主要影响肾脏，最典型的例子是日本著名的公害病──痛痛病，但日本的痛痛病有明显的地区性，其中某些症状（如骨软化）在其他发生慢性镉中毒地区比较少见。慢性镉中毒还可引起贫血。急性镉中毒，大多是由于在生产环境中一次吸入或摄入大量镉化物引起的。大剂量的镉是一种强的局部刺激剂。含镉气体通过呼吸道会引起呼吸道刺激症状，如出现肺炎、肺水肿、呼吸困难等。镉从消化道进入人体，则会出现呕吐、胃肠痉挛、腹疼、腹泻等症状，甚至可因肝肾综合症死亡。 从动物实验和人群的流行病学调查中发现，镉还可使温血动物和人的染色体发生畸变。镉的致畸作用和致癌作用（主要致前列腺癌）,也经动物实验得到证实,但尚未得到人群流行病学调查材料的证实。 预防措施 镉一旦排入环境，它对环境的污染就很难消除，因此预防镉中毒的关键在于控制排放和消除镉污染源。对慢性镉中毒患者,用维生素D和钙剂等进行治疗。如用络合剂驱镉治疗时，必须慎重，应从小剂量开始。中国《生活饮用水卫生标准》规定镉含量不得超过0.01毫克／升，《工业企业设计卫生标准》规定地面水中镉最高容许浓度为0.01毫克／升；《工业"三废"排放试行标准》规定废水中镉含量不得超过 0.1毫克／升。
