How much of the lead standard solution should be taken for the limit test for heavy metals in this experiment?
试计算葡萄糖重金属检查中标准铅溶液的取用量。
Based on the dynamic equilibrium of input and output pollutants, a predicting mode for heavy metals in soil has been set up.
根据污染物质的输入和输出动态平衡关系建立了土壤重金属污染预测模式。
AIM: To find new methods for heavy metals pollution in traditional Chinese medicine (TCM) with macroporous chelating resins.
目的:利用大孔螯合树脂建立一种新的中药重金属污染的处理方法。
Existing prescribed methodologies for heavy metals testing, especially in pharmaceutical compounds lags behind modern analytical technology.
现有规定的重金属测试方法落后于现代分析技术,尤其是药物合成化合物。
These standards can't simply be regarded as trade barriers, as many are related to safety, such as those for heavy metals or pesticide residues.
我们不能简单把这些标准视为贸易壁垒。其中许多标准都与健康有关。例如一些中草药中含有重金属物质或杀虫剂。
OBJECTIVE To investigate the limit contents for heavy metals and pesticide residues in vegetable drugs from the main pharmacopoeias being used in the world.
目的了解中、美、英、日和欧洲药典对植物药中重金属和农药残留量的有关规定,为中药材和中成药的质量控制提供参考。
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.
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。
Pharmacopeia method was used in water soluble extractives and limit test for heavy metals and total ash and acid-insoluble ash to test the quality in Lumbricus from different origin.
采用药典方法分别测定浸出物、总灰分和酸不溶性灰分和进行重金属检查,综合考察不同产地地龙的内在质量。
The breakthrough curves for heavy metals of solidification sludge were obtained by flexible-wall permeameter and the hydrodynamic dispersion parameters were acquired by genetic inverse method.
采用柔性壁渗透仪获得了固化污泥中重金属的穿透曲线,并采用遗传算法反演了固化污泥的水动力弥散参数。
Charles Boutron is an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France.
查尔斯·布特隆是法国国家科学研究中心的一名专家,研究重金属对环境影响。
In the town of Shushufindi, Texaco drilled for oil which brought up massive quantities of methane and tainted water intermingled with oil, heavy metals and oil byproducts.
在舒舒·芬迪城,德士古石油钻探带来了大量的甲烷和掺有石油,重金属和石油副产品的污水。
FDA has not set a "tolerance level" for many of the drugs, pesticides and heavy metals found in beef, including copper and arsenic, which can promote growth and inhibit certain parasites.
食品药监局并未为许多自牛肉中发现的药物、农药和重金属元素设立“容忍标准”——包括铜元素和砷元素在内,这些添加物可以促进牛只生长及杀灭某种寄生虫。
Those heavy metals can actually be reused to make more batteries, reducing the need to mine for new resources.
它们中所含的重金属如今可再生,生成更多的电池。 由此减少了对一些新生资源的需求。
Biosorption, which USES biological materials as adsorbents, has been considered as an alternative method of wastewater treatment, especially for those with low concentration of heavy metals.
生物吸附法是处理较低浓度重金属废水的高效廉价的好方法之一。
Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.
砷的主要处理方法有硫化物沉淀法,或与多价重金属络合。
The new study is a result of the continued research led by Dr. Charles Boutron, an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France.
这一新发现是查尔斯·伯顿博士长时间苦心钻研的成果,他是法国国家自然科学研究中心研究重金属对环境影响的专家。
The content of soil heavy metals and shallow underground water quality were not greatly influenced by making use of the renovated water for irrigation.
使用再生水对土壤中重金属含量及示范区浅层地下水水质未造成明显影响。
Desorption of sediment polluted by heavy metals is studied by using harmonic vibration device for simulating turbulence.
采用谐振式紊动模拟装置使污染泥沙受到扰动,解吸重金属污染物进行模拟试验研究。
This will provide experimental gist for solidification and stabilization of heavy metals.
这为重金属的固化稳定化处理提供了实验依据。
Cadmium is one of the most toxic heavy metals and is not an essential nutrient element for plant, animal and human being.
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。
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.
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。
The solidification method is to mix the polluted soil with coagulant or adhesive to solidify it into particles or pieces and therefore efficient for the soil polluted by heavy metals.
固化法是将污染土壤同凝固剂或者粘合剂混合,固化为颗粒或块状,对于重金属污染的土壤效果好。
The techniques for the antibiotics degradation and heavy metals passivation were studied in the experiments.
通过试验研究探索对畜禽粪中抗生素降解和重金属钝化的技术途径。
Objective To analyze the levels of arsenic and heavy metals contents in prepared Radix Polygoni Multiflori from different areas, offering feasible Suggestions for quality control of Chinese medicine.
目的提供市售不同产地中药饮片制首乌中的砷及重金属元素的含量水平,为中药标准的制定提供可行性建议。
Objective To study the heavy metals and pesticide residue in the soils of production regions of Atractylodes macrocephala for building GAP bases to provide basis.
目的分析酉阳白术主产区土壤重金属含量与农残状况,为白术的基地建设提供依据。
Pesticide residues and heavy metals content is not occupation for green products, can be exported Japan and South Korea.
农残和重金属含量不超标,为绿色产品,可以出口日本和韩国。
Pesticide residues and heavy metals content is not occupation for green products, can be exported Japan and South Korea.
农残和重金属含量不超标,为绿色产品,可以出口日本和韩国。
应用推荐