1) metal content
金属含量
1.
Effects of degumming methods on metal content in puer tea seed oil
脱胶方法对普洱茶籽油中金属含量的影响
2.
In activity improvement,the active components of spent equi- librium catalyst are impregnated and dried,which can increase catalyst micro-activity by 4-5 in addition to the reduction of heavy metal content and the improvement of stability.
废平衡催化剂活性改善技术对废平衡剂进行活性组分浸渍、干燥等处理后,可以使废平衡催化剂的微反活性提高4～5个单位,重金属含量也有所降低,并且具有很好的活性稳定性。
3.
The result shows that the high metal contents of the residuum andhigh temperature of the gasifier are the main reasons for slagging and block up in the gasifier.
结果表明，渣油中金属含量高及气化炉温度过高是气化炉结渣与堵塞的主要原因。
2) heavy metal concentration
重金属含量
1.
Thirteen dominant species and their associated soils were used for heavy metal concentrations determination.
调查了广西平乐、荔浦、八一3个锰矿区废弃地植物,对13种优势植物及其土壤重金属含量进行测试和分析。
2.
A survey on the crops grown on the restored manganese mine lands in Pingle and Lipu of Guangxi was conducted, and the heavy metal concentrations in the edible parts of the crops were analyzed.
对广西平乐、荔浦两锰矿恢复区种植的食用农作物进行了调查和重金属含量分析。
3.
The soil nutrients and heavy metal concentrations were determined to assess nutrient status and heavy metal contamination of the mine soils; Accumulation of heavy metals by dominant plants was investigated to screen the metal-tolerant plants and potential hyperaccumulators potentially used for phytoremediation.
本研究以广西全州、板苏、下雷三锰矿区为研究基地,通过野外生态调查、矿区土壤和植物的采样分析,测定土壤的肥力指标和重金属含量,并对矿区的土壤营养状况及重金属元素的污染情况进行评价;通过土壤重金属的赋存形态分析探讨各形态对植物的效应。
3) noble metal content
贵金属含量
1.
At present,the assessment and application of measurment uncertainty of noble metal content in nondestructive testing are not perfect in China.
目前,我国珠宝检测实验室对贵金属含量无损检测中的测量不确定度的评定及应用尚不成熟。
4) carbon amount contained in the metals
金属含碳量
6) heavy metals content
重金属含量
1.
The air pollution control (APC) residues from municipal solid waste incinerator(MSWI) were classified by sizes; the heavy metals contents, speciation and their water-leaching toxicity in the size-classified fractions were analyzed; and the contribution of heavy metals content and leachable amount in various fractions to the raw APC residues was discussed.
对烟气净化系统飞灰(以下简称飞灰)按粒径进行分级,研究了飞灰重金属含量、形态分布和浸出毒性随粒径的变化,讨论了不同粒径的飞灰对重金属总量和浸出总量的贡献率。
2.
This paper takes four functional areas in Harbin City as research objects,determines the heavy metals content in the soil through the soil sample collection and laboratory analysis.
以哈尔滨市四个功能区表层土壤为研究对象,通过土样采集、室内分析,对土壤重金属含量进行测定,用Tessier等提出的五步提取法对重金属化学形态分布进行研究,采用单因子分指数评价法、多因子综合指数评价法及瑞典学者Hakanson提出的潜在生态风险评价法对哈尔滨市的各功能区土壤污染状况进行调查和评价,结果表明:哈尔滨市所取四个功能区表土中重金属污染以镉(Cd)污染最为严重,未受到铅(Pb)污染,3。
补充资料：重金属含量测定
分子式：
CAS号：
性质：评价医用高分子材料溶出液毒性的方法之一，采用比色法先制备含铅1×10-5的标准溶液，取溶出液15ml，置比色管内，加氢氧化钠试液5ml，硫化钠试液5滴，摇匀，与标准溶液1.5ml同样处理后加蒸馏水至同样刻度，比较颜色，不得更深，即重金属含量不超过10-6。
CAS号：
性质：评价医用高分子材料溶出液毒性的方法之一，采用比色法先制备含铅1×10-5的标准溶液，取溶出液15ml，置比色管内，加氢氧化钠试液5ml，硫化钠试液5滴，摇匀，与标准溶液1.5ml同样处理后加蒸馏水至同样刻度，比较颜色，不得更深，即重金属含量不超过10-6。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条