蚯蚓个体对重金属毒性的耐受程度差别较大。
The degree of individual earthworm enduring the toxicity of heavy metals varied greatly.
采用低浓度金属离子驯化的方法可以有效改善重金属毒性。
Acclimation with metals of low concentration was proved to be a good way to improve the microbial resistance to heavy metals.
而根长的变化可作为植物受重金属毒性影响的一个重要指标。
But the root long change may take the plant a heavy metal toxicity influence important target.
着重阐述了重金属毒性影响因素和鱼类对重金属吸收和积累机理方面的研究现状和趋势。
The present study condition and trend of affecting factors of heavy metal's toxicity and the mechanisms of accumulation of heavy metals by fishes are mainly summarized.
柠檬酸与针铁矿交互作用时会形成针铁矿-柠檬酸的复合胶体，增强对重金属活性离子的吸附，降低重金属毒性。
The adsorption will be enhanced by the goethite-citric acid compound colloid which from the citric acid and goethite interaction.
经重金属毒性浸出试验表明，茶皂素对飞灰中的重金属具有较强的束缚能力，其稳定化效果与硫脲和磷酸钠螯合剂能力相当。
The results show that saponin has a stronger fixing capacity for heavy metals, and has the same fixing efficiency as thiourea and tertiary sodium phosphate.
金属钠有毒性。
火电厂和冶炼工厂附近的土和水中所溶解了来自于铅，汞及其他重金属的毒性物质，这些毒性物质通常很难测量。
The toxic buildup of lead, mercury, and other heavy metals in the soil and water near coal plants and smelting factories is not usually measured.
考查重金属污染物的毒性效应是探讨重金属水环境容量的基本出发点。
Examining the toxic effect of heavy metal pollutants is essential for exploring heavy metal water environmental capacity.
它不仅溶解度好，而且还是非氧化性的物质，不会螯合金属离子，毒性也相对较低。
It is non-oxidizing, provides the necessary solubility, will not chelate metal ions, and has relatively low toxicity.
砷是一种具有毒性的准金属元素。
目前，该技术在毒性金属有机化合物中的应用很少。
In present, SPME seldom be used in toxic metallic organic compounds.
本文以大量的实际资料为依据，阐述了毒性金属形态变化与岩土饱水性的关系，提出了在非饱和环境的岩土中。
It presents the idea that under the non-saturated environment of rock-soil, the poisonous metal exists chiefly in the form of residual appearance.
重金属是一类重要的环境污染物，铜是其中毒性大、分布广的一种。
Heavy metals are important pollutants and copper is one of them with high toxicity and wide-spreaded.
数以万计的合成工业化学试剂，杀虫剂，金属和其他物质的毒性研究资料是有限的或者根本不存在。
There are tens of thousands of synthetic industrial chemicals, pesticides, metals, and other substances for which toxicological information is limited or nonexistent.
包装材料中不应含有有毒性的元素、重金属，或含有量应控制在有关标准以下。
Packaging materials should not contain toxic elements, heavy metals, or the amount of content should be controlled in accordance with the relevant standards.
过渡金属和重金属具有特殊的毒性，快速准确的同时测定多组分样品，尤其是测定高离子强度样品中的离子，在生态环境方面具有重要的意义。
Transition metals and heavy metal are special toxic . It is very important to determine several ions at the same time, especially for the samples in strong ionic strength.
铜中毒是指家畜摄食铜元素过多，或铜在肝脏等组织中大量蓄积，因突然释放进入血液循环所引起的一种重金属中毒性疾病。
Copper poisoning is a kind of metal poisoning disease which caused by animal intake too much copper, or remaining a lot of copper in the liver and quickly into blood circulation.
土壤中重金属的赋存形态决定其在土壤中的迁移性、生物可利用性以及毒性。
The mobility, the bioavailability and the toxicity of heavy metals in the soil depend on their specific chemical forms and on their binding state.
结果：具有生殖毒性中药的毒性成分主要为生物碱、苷类、毒蛋白、动物毒素、酚类和重金属等。
Results:The main ingredients with reproductive toxicity are alkaloids, glycosides, toxoprotein, animal toxins, phenols, heavy metals etc.
并详细介绍了颗粒污泥的特点，特种颗粒污泥的培养及其在COD去除、脱氮、降解毒性物质和重金属吸附等方面的应用，并对其应用前景进行了展望。
The character of granule, cultivation of special granule and its application to COD removal, de-nitrogen, toxic chemicals degradation, heavy metal adsorption in wastewater treatment were reviewed.
可在“土壤环境容量”的研究中，为土壤重金属、非金属的毒性临界浓度提供一个参数。
In the research of "the environmental capacity of soil", it may furnish a parameter to the critical toxic concentration of heavy metals and non-metals in soil.
镉是动物和植物的非必需元素，也是毒性最大的重金属之一。
Cadmium is one of the most toxic heavy metals and is not an essential nutrient element for plant, animal and human being.
结果表明所研究的不同化学形态的重金属对白脊藤壶幼体均具较高的毒性，其毒性随重金属浓度及作用时间的增大而呈逐渐上升的趋势。
Results showed that these 5 heavy metals all exhibited high toxicity to B. albicostatus nauplii and the toxicity increased with the concentration and exposure time.
该类（金属）包括对人类有较低潜在毒性的金属。
This group includes metals with no significant toxicity. Their safety profile is well established.
本品对金属漆面、橡胶、人体无任何腐蚀或毒性，所以任何人在任何环境下操作使用都不会造成影响或污染。
The product of the metal, lacquer, rubber, human body without any corrosion or toxicity, so any operation in any environment will not affect the use or pollution.
本品对金属漆面、橡胶、人体无任何腐蚀或毒性，所以任何人在任何环境下操作使用都不会造成影响或污染。
The product of the metal, lacquer, rubber, human body without any corrosion or toxicity, so any operation in any environment will not affect the use or pollution.
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