A method to determine Cu(ⅱ) by DDTC chelating resin preconcentration and thin layer resin phase spectrophotometry has been developed.

Study on the Determination of Trace Cu(ⅱ) by DDTC Chelating Resin Preconcentration and Thin Layer Resin Phase Spectrophotometry

螯合树脂预浓集薄层树脂相吸光光度法测定痕量铜的研究

The results obtained by this method are coincident with that by DDTC silver colourimetry.

本法与DDTC银比色法所测结果相吻合。

Mechanism of electrochemistry of jamesonite/ ddtc interface in acidic solution

酸性溶液中不同电位下脆硫锑铅矿/DDTC界面的电化学机制

Methods for chemical analysis of ferrotitanium& The DDTC photometric method for the determination of copper content

GB/T4701.3-1984钛铁化学分析方法铜试剂光度法测定铜量

Spectral Characteristics of Ag(ⅰ)-DDTC Chelate Nanoparticles and Its Analytical Application

Ag（Ⅰ）-DDTC螯合物微粒体系的光谱特性及其分析应用

Determination of Copper in Wastewater by Flow Injection DDTC Spectrophotometry

流动注射二乙氨基二硫代甲酸钠光度法测定废水中铜

Analysis of deproteinized extract of calf blood ( DECB) in treatment of ischemic cerebral infarction

小牛血去蛋白提取物治疗缺血性脑梗死疗效分析

And the thermal efficiency of DECC engine can be improved 6% higher than the baseline engine generally.

整体运行DECC可以将发动机热效率提高6%以上。

Domestic Resource Cost Coefficient ( DECC) has been widely used in measuring comparative advantages in the last few decades.

过去二、三十年里国内资源成本系数（DRCC）被广泛用于比较优势的分析。

Based on hardware implementation of wideband digital integrative receivers, a scheme of DECM system against SARs combining with digital techniques of wideband receivers is proposed.

结合宽带数字一体化接收机的硬件处理平台，提出了基于宽带数字化接收的SAR欺骗式干扰系统的设计方案。

Through analyzing the characteristics of SAR echo signal, a new DECM approach ( False Image Jamming Based on Phase Modulation) is proposed.

对该方法的干扰原理进行了深入分析并进行了仿真实验。

All extracts of Camptotheca acuminata Decn had stronger antifeedant activity towards 3rd-instar larvae of Plutella xylostella.

喜树提取物对小菜蛾3龄幼虫有较强的拒食作用。

With a screened sample holder as an electric probe, we studied the properties of DECR plasma of several gases including Ar, H 2, O 2 and N 2O.

文中利用样品架作为探针对Ar，H2，O2及N2O等气体的DECR等离子体特性作了定性的实验研究和分析。

Abstract In this paper we have introduced a novel high density low temperature plasma: distributed electron cyclotron resonance ( DECR) plasma.

本文介绍了一种新型高密度低温等离子体&分布式电子回旋共振（DECR）等离子体。

The non-isothermal reaction kinetics for synthesis of diethylene glycol dibenzoate ( DEDB) was studied. The result showed that DEDB formation reaction belongs to chain competitive reaction.

对二乙二醇双苯甲酸酯（DEDB）的非恒温反应动力学进行了研究，结果表明：DEDB生成反应属二级复合反应中的连串竞争反应。

According to the domestic and foreign datum, the synthetic method of DEDB by using diethylene glycol, benzoic acid and catalyst butyl titanate was introduced.

根据国内外文献资料，本文采用直接酯化法，以苯甲酸和二甘醇为原料，钛酸四丁酯为催化剂催化合成DEDB。

DEDB with the compatibility of PVC stabilizer worse than others. 8.

DEDB与PVC的相容性较其他稳定剂差。

Aimed at the kind of blade'sparts, a dynamic engineering database ( DEDB) oriented rapid process preparation system is developed.

针对叶片类零件开发一个面向快速工艺准备的动态工程数据库。

Study on Synthesis Process Conditions of DEDB

DEDB合成条件研究

DEDB also plays a great role in all kinds of thermal adhesive.

DEDB在制造各类热熔粘合剂中也起很大作用。