查询词典 leaching

The authors reported as follows: Results showed that removing hardness ions with a household water softener did not lead to a pattern of higher metal leaching from various home plumbing materials containing lead, copper, and zinc.

作者报道中写到：结果显示除去硬度离子的家用软化水不会对各式各样的含有铅铜锌的家庭管道的材料造成更高的金属溶解度。

The recommended leaching procedures for testing tox...

提出目前浸出毒性试验可采用水平或翻转振荡方式，以pH5.0±0.2的HAC-NaAc缓冲液浸提12h为宜。

A new method for the determination of copper in the copper ore leaching solution by precipitate complex reagent mixing solution separation out copper and by KIO3 as titrant is developed.

该法用沉淀络合剂从混合液中将Cu沉淀分离出来，用KIO3滴定，具有简便、快速、准确、可靠等特点，应用于实际样品的测定中，其结果与络量法一致

It was that using the refined alkaline barium chloride solution which was produced by the circular ammonium chloride solution leaching low-grade barium mineral as interim material,and adopting EDTA and the condensate sal volatile by using the liquid co-precipitation method to prepare the high purity spherical barium crbonate.

以氯化铵循环液浸取低品位钡矿制备的碱性氯化钡溶液为中间原料，添加EDTA与冷凝碳酸铵的溶液，通过液相共沉淀法制得高纯球状碳酸钡。

The electrolysed solution including the halide species is then returned to the leaching step.

将含有卤化物的电解溶液返回到浸出步骤中。

The absorption of methyl orange by ammonia leaching residue of manganese nodule is investigated.

研究大洋锰结核氨浸渣对甲基橙染料废水的吸附行为。

Remove water chlorine, hydrogen sulfide, heavy metals and microorganisms, has bactericidal inhibitory effect at the same time, Adjusting the pH of water, the human body balanced leaching of trace elements and minerals required, far infrared technology, will macromolecules Mission water cut into small molecules of water activity.

除去水中的氯、硫化氢、重金属和微生物，具有杀菌抑菌作用，同时，调节PH值，均衡溶滤出人体所需的微量元素和矿物质，远红外线技术，将大分子团水切割成小分子团活性水。

The mobile fractions of heavy metals, namely EXCH, CAR,FeMnOX, and OMB, also influenced their leaching concentrations. Especially the EXCH andFeMnOX of Cu, Zn and Pb were negtively correlated with their contents in soil solution.The bioleaching with Thiobacillus ferrooxidans was used for decreasing concentrations of heavy metals in sewage sludge.

土壤中EXCH、CAR、FeMnOX及OMB形态重金属的变化与其溶出量显著相关，特别是以EXCH与FeMnOX形态存在的Cu、Zn、Pb含量的变化均与其溶出量呈显著负相关关系。5、利用以FeSO_4为底物的氧化亚铁硫杆菌对污泥进行生物沥滤去除重金属。

The cumulative leaching ratio of keratin carrier slow-release fertilizer was between 18%-69%, which was comparable to that of commercial slow-release fertilizer Luxecote and SCU.

结果表明，淋溶10次后，头发角蛋白载体缓释尿素的累积释放分率在18%~69%，Luxecote和SCU淋溶10次的累积释放分率分别为41.28%和18.01%，头发角蛋白载体缓释尿素肥料的淋溶速率与商业缓释肥料相当。

The results show that it can effectively control the penetration of cobalt and improve the quality of diamond coating and improve tool's life by 10 times when the substrate is pretreated in the condition of acid leaching in dilute HCl for 15 min and then soaking in dilute ammonia solution for 10 min.

结果表明，在1∶3的稀盐酸中酸洗15 min后用氨水浸泡10 min的基片处理方法能有效地抑制金属钴的溢出，从而提高金刚石涂层的质量，并且使刀具使用寿命提高10倍以上。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。