多相

Sodium bisulfate is an excellent catalyst for synthesizing butanone 1,2-propan.

以一水合硫酸氢钠为多相催化剂，由丁酮和1，2-丙二醇反应合成了丁酮1，2-丙二醇缩酮。

The authors put forward measuring oil-gas ratio by using calorimetric method and carry on corresponding theory analysis.

首次提出用量热法来测量油水比，在西安交通大学多相流国家重点实验室油气水三相试验台上进行试验。试验中用计算机来监测和存储数据。

Variable speed system of cycloconverter-fed multiphase synchronous motor is a major area in the development of high-power AC drive system because of its small dimension, large capacity, high torque, high-rate power, wide-range variable speed, low harmonic pollution, and reliable safety. In the low-speed and large-capacity industrial drives, such as rolling mills, winding motors, marine propeller, cement mixer, etc. it will find a wide application in the future.

采用多相同步电动机的交交变频调速系统，具有体积小、容量大、高转矩、高功率比、宽平滑调速区、谐波污染小、安全可靠的特点，是大功率交流调速领域的主要发展方向之一，在轧机，矿山卷扬，船舶推进，水泥球磨机等低速大容量的场合有着广泛的应用前景。

By analyzing present methods for digital channeling,a novel digital channelizing method based on polyphase filter technique is demonstrated,which is more suitable for processing discrete real signals.

为处理双通道采样带来的冗余数据并进一步解决实时性问题，推导出了一种更实用的基于实信号多相滤波的数字信道化方法。

Radio fuze jammer ; digital receiver ; double channel bandpass sampling ; polyphase filtering ; digital channelizing

无线电引信干扰机；数字接收机；双通道带通采样；多相滤波；数字信道化

The development of perimeter control of the checkerboard involved in structure topology optimization of multiphase materials is presented.

针对多相材料结构的拓扑优化出现的棋盘格问题，研究了周长约束控制方法。

This paper is focused on the preparation, characterization of metal clusters and theircatalytic performance in the enantioselective as well as stereoselective hydrogenations. It iscomposed of the five parts as follows: Chapter 1 A review was given on the two most studied enantioselective systems—Ni/TA and Pt/cinchona system, including some recent progress.

本论文研究了铂、铱纳米金属簇在α-酮酯、α-二酮不对称氢化中的催化性能及金属离子在α-二酮立体选择性氢化中的修饰作用，主要分为以下几部分：第一章对多相不对称催化体系一Ni／TA和Pt／cinchona及其一些最新进展作了较系统的评述；同时简要介绍了纳米金属簇的特性及其在催化中的一些应用。

It is the research hot point for studying bubble coalescence mechanism in the multi-phase flow and related fields.

对气泡聚并行为机理进行理论与实验研究，是多相流及相关领域内的研究重点与热点。

The computational technique of the collocation method and the effectiveness of the method to different transport problems are discussed.

本文的工作还有助于探索如水力机械汽蚀的电磁学机理等多相流动的某些复杂机理。

The combinatorial preparation method based on wet impregnating was validated an effective and precise tool for preparation of supported catalysts.

论文将多相催化剂的组合制备和高通量筛选作为整体进行考虑，并且建立了相应的方法。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。