查询词典 chelating

The synthetic of high performance chelating resin and the study of ion exchange equipment will be two research topics in the future.

提出利用离子交换法处理低浓度金属离子废水易于实现工业化和自动化，是将来的发展趋势，其中高性能树脂的合成以及离子交换设备研究是以后的两大研究方向。

Chelating resin in theminicolumns filling material be much more applied to preconcentration trace heavy elements,for that functionalization with much novel groups, that have advantages such as thatsynthesize simple, price unexpensive, biggish adsorption capability, interfere few, betterstability and strong conmbination with metal ions.

在微型柱的填充材料中高分子螯合树脂由于高分子效应又增添了许多新的功能，具有合成简便、价格低廉、吸附容量大、干扰少和稳定性好与金属离子的结合能力强等优点因而适用于从环境样品中选择性地富集痕量重金属离子。

Manganese sulfate solution probably acts as a chelating agent for detoxification of urushiol.

锰硫酸盐解决或许为 urushiol 的解毒担任一个 chelating 代理人。

Using the chelating reagents with suitable structure and activity as activator of ilmenite and wolframite, the collector consumption will reduce by 60-80% and the total consumption of reagents is less than 20mg/l.

钛铁矿和黑钨矿细泥采用适当的有机螯合剂作活化剂，药剂总耗量可下降到45mg/L以下，用药量可降低60~80%。

The precursor solutions of titanium alkoxide with different amount of AcAc were characterized by DTA to study the chelating process of titanium alkoxide with AcAc.

对含有不同量乙酰丙酮的前驱体溶液做了热重分析，研究了钛酸丁酯与乙酰丙酮的螯合过程。

From the point of ion exchange and chelating ,the high adsorption selectivity was investigated by the peculary structure of amidoxime fiber(combined with crosslinking structure and the maximal conversion of cyano) and Au ion.

从离子交换和螯合吸附的角度，根据偕胺肟基纤维本身的交联结构和最大氰基转化特点以及金离子本身的结构特点对其高选择吸附性能进行了解析。

A chelating fiber with amidoxime functional groups had been prepared from PAN fibers through processes of pre-treatment, crosslinkage and modification.

0引言偕胺肟基螯合剂由于对某些贵重金属[1]、稀土金属[2]具有良好的吸附作用，已成为人们研究的重点。

chelating fiber with amidoxime group, synthesis, structure, property

第二种合成路线得到的偕胺肟基纤维氰基转化率可到100%，但合成路线要经过引发剂引发、丙烯腈单体接枝两步之后，才能进行偕胺肟化。

Polyacrylonitrile fiber was modified into a chelating fiber containing amidoxime group by adding hydroxylamine, resulting from that nitrile group was transformed into amidoxime group.

以聚丙烯腈纤维为原料，加入羟胺试剂，将腈基转变为偕胺肟基团，使聚丙烯腈纤维改性成含有偕胺肟基团的螫合纤维。

Different from conventional fabrication of cathode powder, non-chelating polymer polvinyl alcohol serves to sterically entrap the metal cationa in a manner thewey which facilitates the formation of an atomistically homogeneous precursor material. And, calcining the solid precursor material to form a mixed metal oxide material, that is perovskite structured powder La0.5Sr0.2Co0.5Fe0.5O3.

该方法与传统方法不同，采用非螯合聚合物－聚乙烯醇(PVA， Polvinyl alcohol)作为阳离子的载体，形成含有La(上标 3+)，Sr(上标 2+)，Co(上标2+)，Fe(上标 3+) 4种金属阳离子和非螯合聚合物的均匀溶胶，干燥生成固体凝胶状前驱体。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。