Using a fixed-bed reactor, the stability of chelating ion exchanger resin (B101), which was used as the catalyst for the hydration of acrolein, was studied.
采用固定床连续流动反应器考察了螯合离子交换树脂的丙烯醛水合反应稳定性,并通过测定反应前后树脂的含水率、酸交换量、组成元素等,分析了树脂活性降低的原因。
Influence of the chelating treatment onperoxide bleaching of the triploid ofpolulus tomentosa pulp;
螯合处理对三倍体毛白杨纸浆过氧化氢漂白效果的影响
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 new L-phenylalanine resin (PSAcylPhe) was prepared by chloroacetylated polystyrene (PSAcylCl) instead of merrifield resin (PSCH2Cl) and applied for chelating Ni2+.
用氯乙酰化聚苯乙烯(Chloroacetylized Polystyrene,PS-Acyl-Cl)树脂替代氯甲基树脂与苯丙氨酸(Phenylalanine,Phe)反应制备了PS-Acyl-Phe型螯合树脂,并研究了该树脂在pH、螯合时间、Ni2+浓度等不同条件下对Ni2+的螯合性能,得到了Ni2+型介质的最佳螯合条件:Ni2+溶液浓度为0。
Optimized Preparation Conditions for Chelate of Auricularia Polysaccharides with Zn(Ⅱ) and IR Spectrum Analysis;
黑木耳多糖与Zn(Ⅱ)螯合物的制备工艺及红外光谱分析
Preparation and bioactivity of Ca~(2+) chelate of hydrolysate by enzymolysis from the waste fish proteins;
鱼蛋白酶水解物的钙螯合修饰及其功能活性
This chelating starch was used to chelate copper(Ⅱ) ion,then determining the concentration of the metal ion solution before and after chelating by atomic absorption spectrometry,and discussed the influence of the metal ion solution,chelating time and the added capacity of chelator.
以淀粉为原料,用其接枝丙烯酸甲酯,然后与二乙烯三胺反应,合成具有多个酰胺基和胺基的螯合淀粉(SMAEN)。
Synthesis of pyridine-2-carboxaldehyde modified chitosan and its chelation properties;
2-吡啶甲醛改性壳聚糖的合成及螯合性能的研究
Pyridine-2-Carboxaldehyde Chitosan( PYCTS) with good chelation properties was synthesized from Chitosan(CTS)and pyridine-2-Carboxaldehyde.
以壳聚糖和2-吡啶甲醛为原料,合成了具有高螯合性能的2-吡啶甲醛缩壳聚糖(PYCTS)。
To cope with this problem, a high temperature tolerable organoclay (XNORB) is synthesized with optimally selected quartered ammonium and by chelation.
目前采用传统方法制备的有机土在高温下容易分解失去功效 ,解析出来的表面活性剂会降低油包水乳化钻井液的电稳定性 ,通过优选季铵盐和采用螯合技术合成一种高温稳定的有机土XNORB。
Studies on kinetics and mechanism of chelating reaction chitosan derivatives with Ca(Ⅱ) ions;
壳聚糖衍生物与Ca(Ⅱ)螯合反应的动力学及机理研究
The potential of biodegradable chelate EDDS for phytoextraction of heavy metals from contaminated soils;
可降解螯合剂EDDS诱导植物修复重金属污染土壤的潜力
Progress on monoclonal antibody directed toward metal-chelate complexes and immunoassays to assess heavy metal contamination;
重金属-螯合剂复合物McAb制备及免疫检测技术进展
A new bifunctional chelate intermediate of time-resolved fluorescence immunoassay 2,6-bis(3′-bromomethyl-pyrazol-1′-yl)-4-bromopyridine was prepared from 2,6-bis(3′-methyl-1H-pyrazol-1′-yl)-4-aminopyridine by diazotization-Sandmeyer reaction and NBS reaction.
以2,6-双(3′-甲基-1′-吡唑基)-4-氨基吡啶为原料,经重氮化,溴化合成了新型时间分辨荧光免疫分析双功能螯合剂中间体2,6-双(3′-溴甲基-1′-吡唑基)-4-溴吡啶。