dra的例句大全

By this method dynamic parameters of producers and in injecters can be used to estimate the reservoir pressure and dra-inage radius without well shut-in.

使用该方法，可以在不关井的情况下，用油水井动态参数，获得油井地层压力和驱动半径。

This research provided guarantee for industrialized producing of DRA.

本研究为减阻剂的工业化生产提供了可靠保证。

Therefore, the study of DRA was of great significance for national economy.

研究高聚物减阻剂对国民经济有很重要的意义。

The mechanism, development, pilot testing and field test of EP DRA are introduced.

介绍了EP系列减阻剂的作用机理、研制方法、中试生产和现场实验的概况。

This paper also concerns mobile access QoS provisioning, and an explicit DRA algorithm.

此外，本文还涉及移动接入时的QoS保障问题，并对动态资源调整算法进行了详细阐述。

Construction and package of retroviral vector encoding HLA DRA gene

HLA-DRA基因逆转录病毒载体重组质粒的构建和包装

DRA-3 compared with other DRA algorithm, with the maximum channel utilization.

DRA-3与其他DRA算法相比，具有最高信道利用率。

In the second multifunction part, the idea of using the DRA as an oscillator load is proposed.

在第二个多功能部分，提出了使用介质谐振器天线作为振荡器负载的思想。

Objective To investigate the prevalence and risk factors of dialysis-related amyloidosis ( DRA).

目的了解长期血液透析（HD）患者透析相关性淀粉样变（DRA）的发病率和相关因素。

Objective To evaluate the value of high resolution ultrasound diagnosing on the dialysis related amyloidosis ( DRA).

目的研究透析相关性淀粉样变（DRA）的声像图特点，评价超声技术对DRA的诊断价值。

The curing characteristics of NEPE composite solid propellant slurry were investigated by the dynamic rheological analysis ( DRA).

从推进剂药浆固化的动态流变特征出发，用DRA动态流变学方法研究了硝酸酯增塑聚醚推进剂的固化反应动力学。

Second, the author measured the DRA by synthesized through small scaled experiment and middling experiment and evaluate their comprehensive function.

其次，测定了小型试验、中间试验合成的一系列减阻剂的减阻性能，并对减阻性能进行了综合评价。

On this basis, the geographic-position-based satellite communications network is proposed, in which the DRA routing algorithm is used.

在此基础上，提出了基于地理位置的卫星通信网络，空间网络部分使用DRA路由算法。

EP-W203/ H DRA is a ultra-high molecular polymer, which can reduce the pressure loss of pipe flow.

EP&W203/H型减阻剂是一种超高分子聚合物，注入管道后可以降低管流的压力损失。

Working area for drag reduction agents ( DRA) is in turbulence area, and it can reduce resistance as well as increase transportation effectively.

减阻剂的作用区域在流体的湍流区，它能有效的降低流体阻力增加流量。

Aimed at the fault of the Taguchi method, the paper investigates the parameter design problem from an economic point of view in the base of DRA.

针对田口方法的不足，本文在双因子方法DRA（dualresponseapproach）的基础上从经济的角度讨论了参数设计问题。

The synthesis method, effect of initiator on the monomer conversion, drag reducing rate of associating DRA and anti-shearing performance were researched.

本文主要合成一种新型抗剪切减阻剂，并对其合成方法、引发剂对聚合单体转化率的影响、缔合减阻剂减阻率及抗剪切性能的比较等进行了实验研究。

Objective To discussing the clinical manifestation, diagnosis and treatment of the dialysis-related amyloidosis ( DRA) in the long-term hemodialysis patients.

目的探讨长期血液透析患者透析相关淀粉样变（Dialysisrelatedamyloidosis，DRA）的临床及诊治方法。

With the wide application of rubber and poly α-olefin drag reducing agent ( DRA), there are more requirements on the polymer analysis.

橡胶和聚α-烯烃减阻剂的广泛应用，对高分子材料的分析测试提出了更多的要求。

The site application results show that applying HG DRA not only obtain satisfactory drag reduction effectiveness and increase transportation capacity of pipeline, but also ensure the safe operation.

现场应用结果表明，添加HG减阻剂不仅具有较好的减阻效果和增输能力，提高了输送的经济效益，同时保证了输油生产安全平稳运行。