查询词典 phase transition

A balance circuit is given for great power single phase load through analyzing and calculating three phase circuit .

通过对三相电路的分析、计算，介绍了一种大功率单相负载的平衡电路，从而为船电中常见的由大功率单相负载而引起三相电的不平衡问题，找到了一种有效的解决方法。

Related with the traffic status of our country, the content of this paper is combined with practical application. The paper studies how to investigate traffic status in urban signal intersection, By field observing and videography, this paper get the geometry formal、traffic control and traffic running state of Xingtan road and Wenhuiyuan north road intersection, which can be support database for model building and model testing. On currently basic design principles of signal phase, through deep study of signal phase and canalization design.

本文结合我国目前的交通状况，着力将所要研究的内容与实际应用结合起来，研究了城市信号交叉口交通调查的方法，通过实地观测和摄像的手段获得杏坛路与文慧园北路交叉路口的几何形式、交通管理和交通运行状况的信息，以此作为建立模型和验证模型的支持数据，并在现有信号相位设计基本原则的基础上，深入研究了混合通行情况下的相位方案及渠化设计。

The fatty acids/SiO2 composite phase change energy storage material is prepared with the eutectic mixture of capric acid and lauric acid as phase change material by sol-gel method.

选用十酸和十二酸2种脂肪酸作为相变材料，采用溶胶－凝胶法制备脂肪酸／SiO2相变蓄热复合材料。

Cooling-curves of different composition after ultrasonic blend were measured with the guide of theory forecast results of the binary system of capric acid and myristic acid. The experiment phase diagram was protracted, eutectic temperature and composition range were discovered of the binary system. Phase change properties of eutectic composition were tested with DSC, the change of the wave shape of eutectic composition after 300 thermocycling was tested with IR.

以癸酸-十四烷酸二元体系的理论预测相图为指导，测量了该体系不同组成超声波混合后的步冷曲线，绘制了该体系的实验相图，判断出最低共熔温度与组成范围；采用DSC测试最低共熔组成的相变性能，采用IR检测最低共熔组成300次热循环前后的波形变化。

In this paper, we use carbinol , ethanol or acetone as mobile phase to compare the separation effect of TP in order to find a less poison mobile phase.

该路线有利于连续化生产，简化生产工序，节约生产时间，降低成本，能用于大规模的工厂生产，具有工业化应用前景。

In this paper two wholly aromatic copolyesters, LCP-111 and LCP-116, provided by Chenguang Institue of Chemical Technology, were blended with two types of high performence engineering plastic, poly and poly with cardo group respectively. Research work was done on the phase morphology, phase separation process, crystallization and melting behaviors and their influence on the properties of LCP/PEEK and LCP/PES-C blends.

本文使用国产的仿Xydar全芳共聚酯LCP分别与二种新型的高性能工程塑料聚醚醚酮和酚酞型聚芳醚砜共混，主要对LCP及其与PEEK，PES-C共混物的相态结构，相分离过程，结晶和熔融行为以及这些因素对性能的影响做了大量的基础研究工作，这些工作是实用改性的理论依据，并且是高聚物共混理论研究中的一个新领域。

The increase of cell number and diameter of apical pointwas higher in both extension phase and carpel differentiation phase.

生殖生长锥直径和细胞数的增加在生长锥膨大期和心皮分化期较高。

A detection method based on phase correlation uses a phase difference as the statistical quantum to detect double frequency carrier signal for BPSK DS/SS signals, it has the advantage of the rapid detection and can work well under low SNR condition.

基于相位相关的检测方法把相位差累积量作为检验统计量，通过检测载波二倍频信号来实现对BPSK DS/SS信号的检测，具有检测迅速并能够在低信噪比条件下工作的优点。

With polybismaleimide resin/cashew nut oil modified phenol formaldehyde resin as bonding agent,and other electric conductive phase,lubricating phase and intensifier fiber,modified resin-matrix pantograph contact strip was produced by the processes of hot rolling,dually heated die-pressing and hydro-solidification technology.

采用共混改性的聚双马来酰亚胺树脂/腰果壳油改性酚醛树脂为粘结剂，添加导电相、润滑相和增强纤维相，利用热轧混料，二次热模压及通氢固化等工艺制得改性树脂基受电弓滑板试样。

Firstly, oscilloscope control system based on GPIB technique is presented with friendly operation environment to the HIFU system, and it uses multithreading technique in programming to realize real-time recording and display of the signal; Secondly, temperature collection and data recording system is designed, which also could get real-time recording and display of the 16 channel temperature signal, and it's believed to be of great use for further experiments of the HIFU system; Thirdly, multiple ultrasonic phased array's phase shifter is designed,which could provide 8-bit phase control in a range of frequency where the centrical frequency is 1MHZ. Fourthly, the module of serial communication is realized to insure the communication between devices and computer, including both synchronous and asynchronous communication, which enables the system to transfer data reliably and stably; Finally, the module of digital quantity control is accomplished, which provide for upper application the consistent solution to the control of exterior devices via digital interface. It can get or set the devices state using interrupt mode to receive input signal or send output signal.

主要有以下几个方面：设计了基于GPIB的示波器控制系统，给课题的研究工作提供了一个良好的环境，它采用了多线程编程的方法，能够较好的实时显示当前波形并记录数据；设计了温度采集和数据记录系统，能够对16路温度信号进行并行同步的实时采集，用于HIFU剂量学研究中温度场检测和医疗评价；设计了相控阵相位延时电路并且通过调试，满足了课题的相位控制的要求，在中心频率为1MHZ左右的频率范围内都能够达到8-bit相位控制；实现了串口通讯模块，为各项设备与计算机之间的通讯提供保证，它提供同步和异步的通讯能力，使系统能够可靠稳定的传输数据；建立了数字量控制模块，为上层应用程序提供一致的方法使用数字接口控制外部仪器，它使用中断的方式来接收输入或输出设定的开关量信号，从而得到或设定各种仪器的状态。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。