This paper deals with numerical methods and theoretical analysis for delay differential equations ( DDEs).

Study of purification of musk DDHI product

麝香DDHI产品提纯工艺的研究

This experimental study on the following film crystallization process is carried out by using a binary system of DDHI.

采用DDHI物系对新型高效降膜结晶技术的分离提纯机制进行了实验研究；

Purification of artificial musk DDHI by combined vacuum distillation melt crystallization technology

减压精馏-熔融结晶耦合装置提纯人造麝香的研究

The Method of Gas Chromatographic Analysis of DDHI

羟基茚满麝香（DDHI）的气相色谱分析方法

Methods The sera of schistosomiasis cattle, negative control cattle and fascioliasis cattle were detected with DDIA and compared with COPT.

以确定的最适条件对血吸虫病牛、阴性对照牛和肝片形吸虫病牛的血清进行检测并和环卵沉淀试验（COPT）检测结果进行比较。

Objective To evaluate the application value of the Dipstick Dye Immuno assay ( DDIA) kit for detecting schistosomiasis in the field.

目的进一步评价胶体染料试纸条免疫诊断试剂盒（DDIA）诊断血吸虫病的现场应用价值。

Objective To evaluate the application value of the dipstick dye immunoassay ( DDIA) on schistosomiasis mekongi diagnosis.

目的评价胶体染料试纸条法诊断湄公血吸虫病的应用价值。

Cost-effectiveness of DDIA test for screening schistosomiasis

胶体染料免疫诊断试验在血吸虫病达标考核中筛查费用与效果

Effect of Dipstick Dye Immunoassay ( DDIA) for screening schistosomiasis

胶体染料试纸条筛查血吸虫病效果

Objective To optimize the test and evaluate the effect of DDIA Kit in the schistosomiasis diagnosis.

目的对血吸虫病胶体染料试纸条诊断试剂盒（DDIA Kit）的检测方法作进一步优化并对其应用价值进行评价。

Conclusion The scheme using DDIA to screen schistosomiasis in low endemic areas is useful and effective.

结论在血吸虫病低度流行区用DDIA筛查病人的方案是可行的。

As graphics hardware evolved, GDI gained the ability to be hardware-accelerated through a set of DDIs ( Device Driver Interface).

随着图形硬件（显卡）演进，GDI通过DDI（设备驱动接口）获得了硬件加速的能力。

Many video cards came to implement these DDIs, and it became commonplace to buy a video card to improve your Windows performance.

很多视频卡实现了这些DDI，而通过购买一块视频卡来改善你的Windows性能亦成为平常之事。

Calculation of Critical Loci of Mixtures by MH Equation of State with DDLC Mixing Rule

MH状态方程使用DDLC混合规则计算混合物临界轨迹

Sam Mulligan, China Director at DDMA, said: "Over the past three years, these costs have started to become prohibitive. When we work with customers on a new market entry, once we get to formulating a retail strategy, the metrics fall out of the window."

DDMA中国总经理萨姆？穆里根（Sam Mulligan）说：“过去三年里，这些成本已开始变得令人望而却步了。我们在与客户讨论进入市场的新尝试时，一到制定零售战略这一步，就感慨各项成本高得离谱。”

As the core part of solution, HP Discovery and Dependency Mapping Inventory ( DDMI) can automatically discover and identify all installed software and hardware facilities in the target machine, and is an important data source of ITAM.

IT资产自动发现和识别系统（DDMI）作为该解决方案的核心部分，能自动发现并识别安装在目标主机上的所有软硬件设备，是ITAM的重要数据来源。

But the application software identification method of DDMI is very complex, the calculation of process is huge, the data structure is messy, and still has a high probability recognition error.

但DDMI目前采用的应用软件识别方法非常复杂，其过程计算量庞大，数据结构凌乱，并存在较大概率的识别错误。

Total glycosides were extracted from soybean hypocotyl. The Group B saponin Ba and Bb, Group E saponin Bd and Be and DDMP saponin α g and β g were isolated and purified by C18 column chromatography and high-performance liquid chromatography ( HPLC).

从大豆胚轴提取总糖甙，以C18柱层析法和高效液相色谱法（HPLC）分离纯化B类皂甙Ba和Bb、E类皂甙Bd和Be、DDMP皂甙αg和βg。

Usually, it encounters dynamic group membership in practical multicast applications. Adopting the idea of Greedy algorithm, this thesis presents a delay constraint dynamic multicast routing algorithm DDMP, based on k-shortest paths, finds a path for the node which apply for join in the tree.

最后，由于在实际组播应用中，通常面临着组播成员的动态变化的问题，论文借鉴了贪婪算法的思想，提出一个基于K条最短路径算法的时延约束动态组播路由算法DDMP。

In accordance with the characteristics of the physical structure and operating mode of distribution power system. the computer system structure model of distributed distribution management system ( DDMS) is firstly built. and by taking the unpredictability of the communication time delay of DDMS into account.

针对配电系统网络结构及运行方式的特点，在给出分布式配电管理系统（DDMS）计算机体系结构模型基础上，考虑DDMS数据信息通信延迟的不可预测性，提出并构造了DDMS潮流分布式异步迭代算法。