查询词典 phase

In the second phase, the Institutional Phase, from 1975 to 1995, large institutions such as the Department of Defense and the National Science Foundation provided funding and legitimization for the fledging invention called the Internet.

在第二阶段即机构化阶段，从1975年到1995年，像国防部和国家科学基金委等一些大机构为这项被称为因特网的刚刚起步的发明提供资金并使其合法化。

This paper points out the method of successful demonstration experiment by analyzing the experiment elements of LC oscillator, Lenz's Law, self inductance phenomenon, single phase AC and three phase AC characteristic.

从分析实验原理出发指出使LC振荡、楞次定律、自感现象、单相和三相交流电特性等实验容易演示成功的方法。

The results indicated that the zircon phase is the major phase for the as-gained waste forms although containing 20mol% Eu3+. The alteration of 10-5~10-4 nm magnitude in the crystal cell parameters was measured (cf the standard XRD card of zircon). The equilibrium concentration of Eu3+ in HCI lixivium (pH=6.5) is less than 0.4μg/L.

结果表明：固化体中虽包容有20mol%的Eu3+，但其主物相仍以锆英石物相为主，与标准样品相比晶胞参数发生10-5~10-4nm量级的微弱变化，固化体在pH=6.5的HCI浸出液中Eu3+的平衡浓度小于0.4μg/L。

Once the cells reached fluences of FBS coating on adhesive rats of MSCs: Some of the purified HUCB MSCs at logarithmic phase were growth curve of MSCs: The growth of cells were observed by phase contrast microscope (OLYMPUS CK40), and were detected by EPICS-ALTRA flow cytometry.

免疫表型：取扩增第5代的脐血间充质干细胞，用EPICS-ALTRA流式细胞仪进行检测。主要观察指标：①观察高糖组和低糖组细胞的生长状态。②观察不同时间点胎牛血清包被组与未包被组细胞的贴壁情况并分别计算贴壁率。结果：本实验总共培养和分析了70例脐血间充质干细胞样本。

The maxima of low-temperature internal friction peaks plot a symmetrical peak-like curve at logarithmic frequency spectrum and the peak-like curve shifts toward high frequencies with the increase of heating rate, indicating that phase transition relaxation time decreases; the maxima of high-temperature internal friction peaks exhibit a linear relation to the reciprocal frequencies, and as the heating rate increases its slope rises, which implies that the heating rate drives the normal movement of phase interface further in low-frequency measurements.

低温内耗峰峰值与对数频率呈现峰形函数关系，随升温速率的增加，频率峰向高频方向移动，相变弛豫时间减小；高温内耗峰峰值与倒数频率成直线关系，随升温速率的增加，直线斜率变大，表明低频测量时升温速率对相界面法向运动的驱动作用更强。

In this paper, a sensitive optical phase logic gate is described as an example of optical phase devices.

以全光位相与非门为例描述全光位相逻辑门的方案和可行性。

The 4046 also has internal phase comparators, in this circuit only phase comparator 1 is used, which is just a XOR logic gate.

在4046也有内部相比较，在这条赛道上只有1相比较使用，这仅仅是一个异或逻辑门。

An equivalent circuit model of three phase power cables is discussedhere, and it is used to do transient-state analysis of low-resistance groundingsystems, in which the single phase grounding fault occurs.

论文分析了电力电缆的多相链接π型等值电路，构建出三相水平排列的单芯同轴电缆的等效模型，并在进行系统单相接地短路故障的暂态分析中加以应用。

A novel phase-shifted zero-voltage and zero-current switching PWM DC/DC full-bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of Power Electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase-shifted zero-voltage switching PWM DC/DC full-bridge con...

本文在对近年来电力电子学科的发展高度综述和对现代高频软开关功率变换技术理论基础深入研究的基础上，对传统的移相控制ZVS PWM DC／DC全桥变换器的工作原理、电路特性、存在的缺点进行了分析，在此基础上提出了一种改进型的移相控制ZVZCS PWM DC／DC全桥变换器。

Using of optical microscopy, X-ray diffraction, transmission electron microscopy, hardness and tensile testing, the effect of thermal exposure at high temperatures on the microstructures and of high-temperature tensile properties of rapidly solidified AlCrYZr have been studied. The results show that there are two main phases,Al20Cr2Y(cubic, a=1.437 nm) and DO23Al3Zr(terganal, a=0.4 013 nm , c= 1.732 nm), in the as-solidified alloy. The Al20Cr2Y phase can maintain its cubic structure at 500℃, but the particles coarsen remarkably and even become lumpish. In coarse lumpish Al20Cr2Y phase the plane faults and twin structures exist.

摘 要：采用金相、 X射线衍射、透射电镜、硬度测定和拉伸试验研究了高温热暴露对快速凝固AlCrYZr合金显微组织影响和高温下力学性能的热稳定性，结果表明，快速凝固AlCrYZr合金主要第二相为Al20Cr2Y(立方，a=1.437nm)和DO23Al3Zr(正方，a=0.401 3nm， c=1.732nm)，Al20Cr2Y在500℃热暴露尚能保持其立方结构，但质点明显粗化，甚至块状化，在粗大的Al20Cr2Y相中存在有层错和孪晶结构。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。