A Novel Method for Site-directed Mutagenesis and Its Application in DdsA Mutant Research

Therefor, the performance of the shortest path tree generated by FLSPT or the DDSP is same, but the efficiency of FLSPT is better than DDSP.

因此，FLSPT算法计算得出的最短路径树性能与DDSP算法一样，但计算效率比DDSP算法高。

Compose of Multi-agent Cooperation Group and its Arithmetic Analysis in DDSS

DDSS中Agent协作群的构建与算法分析

Modeling of Agent-based DDSS and Its Application

基于Agent的DDSS建模与应用

Detection Method of DDSS Signal by Correlation Function Envelope Peak

直扩信号的相关函数包络检测法

The Design Method for the DDSS Development Based on Data Marts

基于数据集市的DDSS的开发方法

DDSC Functional and Technical Analysis

DDSC振动控制器的功能、指标及技术分析

Study on the synthesis of new fungicide DDSC

新型杀生剂DDSC的合成研究

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

本文提出了在弱酸性条件下，以螯合树脂预浓集薄层树脂相光度法测定铜的新方法。

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。