查询词典 D

But only 43.4% and 68.5% of chlorobenzene was removed after incubation for 14 d at 10.0℃ and 15.0℃, respectively.

微宇宙系统中氯苯的去除率随着温度的升高而增加，30.0℃条件下培养7 d后，氯苯的去除率可达95.4%；10.0℃和15.0℃下培养14 d后，氯苯的去除率分别为43.4%和68.5%。

Serum PT, APTT, Fib, and D-dimer were measured with an automatic coagulometer on d 0, 3, 7, 14 when YH16 was used.

YH16使用前1d及使用后3、7、14d空腹采集外周静脉血，用全自动血凝仪检测凝血酶原时间、纤维蛋白原、部分凝血活酶时间、凝血酶时间和D二聚体。

They include the fundamental concepts of jet bundle geometry needed in describing time-dependent mechanical systems, decomposition of jet bundles into a direct sum according to the constraints, horizontal distributions on constraint mainifolds, the global formulation of D'Alembert-Lagrange's equations and Chaplygin's equations, and nonholonomic mechanics on a Riemann-Cartan manifold. Meanwhile, the geometric significance of Chetaev's conditions and $\rd$-$\delta$ commutation relation are discussed in depth.

本文主要综述非完整约束系统几何动力学的外附型和内禀型Lagrange理论，包括非定常力学系统所需要的射丛几何学的基本概念、射丛按约束的直和分解、约束流形上的水平分布、 D'Alembert-Lagrange方程与Chaplygin方程的整体描述、以及Riemann-Cartan流形上的非完整力学，文中对Chetaev条件和d-δ交换关系的几何意义作了深入讨论。

Based on macromorphological and micromorphological characters, as well as conidium ornamentation observed with scanning electron microscopy, Aspergillus sp. D-l was affiliated to Aspergillus Section Versicolores. Further, DNA sequence of the internal transcribed spacer was used as the molecular characteristic, and analyzed with the DNAMAN 5.2.2 program and the Mega 3.0 program.

采用真菌核糖体基因内转录间隔区序列作为分子标记，利用DNAMAN 5.2.2和Mega 3.0等软件对其进行同源性和进化关系分析，在种的水平上将Aspergillus sp.D-1归属为Aspergillus versicolor，并将该菌株命名为A.versicolor D-1。

Especially, the technology of Automatic Gain Control and signal processing are studied which are key factors working on the performance of the receiver. Based on analyzing the theory of automatic Gain Control, operational amplifiers 0P37 and logarithmic D/Aconverter AD7111A are used to design variable gain amplifiers which can be controlled numerally, A/D convector LTC1405 is Used to test the echo, Complex Programmable Logic device is used for controller, and an arithmetic is designed for automatic Gain Control which is simulated and analyzed in order to test its feasibility.

本文在分析自动增益控制AGC原理的基础上，采用集成运放OP37和数控增益衰减器AD7111A设计可数字控制的可变增益运放模块；采用高速A／D转换器LTC1405作为回波信号检测模块；采用复杂可编程逻辑器件CPLD作为核心控制模块，构成数字自动增益控制电路，并设计粗调和细调步进控制相结合的算法，对回波信号的增益进行精确而快速的调节控制，使回波信号振幅快速稳定在设计指标范围内，利于接收机后续信号处理电路对回波信号作进一步的处理。

Methods to place nux vomical curare fluid into plastic bottle and 4 groups test tubes made ofsmall fresh white rat skin,with group a and c being control groups,group b and d being ultrasonic group.contents of chinese medicine were test at different time and statistic analyzed and compared.

将中药马钱子液置于塑料杯中，中间放置用新鲜小白鼠皮制成的透药试管，分成a、b、c、d四组，a、c组作为对照组，b、d组作为超声辐照组，在不同时间内检测试管中的中药含量。

"The early results are promising for anyone interested in using carbon nanotubes in biomedical applications," said Steven Curley, M.D., whose group at the University of Texas M.D. Anderson Cancer Center collaborated with Weisman's research group."We are particularly pleased that the fluorescent effect remains intact in our application, because this makes it easier to see where the nanotubes end up, and it opens the door to some exciting diagnostic and therapeutic applications."

与Weisman's研究小组合作的Anderson癌症中心-德克萨斯州大学研究小组的Steven Curley， M.D说；"早期结果希望大家在生物医学应用中使用碳纳单位，我们非常满意在应用中荧光效应保持完整，因为这使我们观察纳单位最终在哪很容易，而且它开启了令人激动地诊断和治疗学的应用"

"The early results are promising for anyone interested in using carbon nanotubes in biomedical applications," said Steen Curley, M.D., whose group at the Uniersity of Texas M.D. Anderson Cancer Center collaborated with Weisman's research group."We are particularly pleased that the fluorescent effect remains intact in our application, because this makes it easier to see where the nanotubes end up, and it opens the door to some exciting diagnostic and therapeutic applications."

与Weisman's研究小组合作的Anderson癌症中心-德克萨斯州大学研究小组的Steen Curley， M.D说；"早期结果希望大家在生物医学应用中使用碳纳单位，我们非常满意在应用中荧光效应保持完整，因为这使我们观察纳单位最终在哪很容易，而且它开启了令人激动地诊断和治疗学的应用"

And I is the double integral of over D ,written ,or

这样就称f在D上可积，I称为f在D上的二重积分，记作或

I never thought I'd get through D-day.

我从没想过能活过D日

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。