The 98% pure Heneicosane(C21H44) was used as the phase change material(PCM).
采用纯度为98%的正21烷（C21H44）作为相变材料（PCM）。
However, if exposed to heated air, the phase change from liquid to gas is more intense, and produces an efficiency of 70 percent.
然而如果该过程中加入热空气，相变过程就会加剧，达到70%的效率。
Should GEO600 detect a phase change, it could be indicative of a slight change in distance, thus the passage of a gravitational wave.
如果GEO600探测到位移，那就说明发生了距离的微变，而这很可能是重力波的通过引起的。
In response to a question on pandemic alert phase change, Dr Chan explained that the definition of WHO's influenza preparedness phases was developed against the backdrop of H5N1 avian flu.
在回答有关大流行警戒级别变更的问题时，陈博士解释说，世卫组织流感防备级别的定义是以h5n1禽流感为背景来制定的。
A problem often encountered in the research of materials is how to identify the type of phase change of crystals.
材料研究中经常遇到的一个难题就是鉴别晶相的相变类型。
Solid liquid phase change latent thermal storage is commonly used.
固液相变潜热蓄热是通常采用的蓄热方式。
The mechanism forming solid - solid phase change material was examined.
探讨了该固-固相转变材料形成的机理。
Level detection circuit, phase change detection circuit, and optical disk apparatus.
电平检测电路，相变检测电路，以及光盘装置。
The void enlarges heat resistance, and then affects the phase change heat transfer process.
空穴的存在增大了热阻，从而影响相变换热过程。
The research progress of microencapsulated phase change material suspensions is introduced.
介绍了微胶囊相变悬浮液的研究进展。
A numerical model of freezing phase change heat transfer in metallic foams was established.
建立了泡沫金属内冻结相变传热过程的传热模型。
But it has the problems of phase segregation and supercooling during the phase change process.
但硫酸钠水合盐在相变蓄热过程中，存在相分离，过冷等问题。
Firstly, the chitosan powder was physical modified to form chitosan gel beads through phase change.
首先，以壳聚糖粉末为原料，采用相转移法制备出珠状壳聚糖凝胶树脂；
Differential thermal analysis did not reveal the ammonium perchlorate phase change from rhombic to cubic.
差热分析没有测出过氯酸铵从正交晶向立方晶的相变。
This program is a useful analysis tool for the design and optimization for a phase change thermal storage.
该模型及计算程序为相变储热器的设计和优化提供了有利的分析工具。
The recent research progress of preparation technology on organic phase change materials (PCM) is reviewed.
综述了有机相变材料在制备技术方面的研究进展。
Polyethylene glycol (PEG) is a kind of phase change materials with high enthalpy and low thermal hysteresis.
聚乙二醇相变材料是一类相变焓较高、热滞后效应低的储能材料。
Based on volume averaging theory, natural convection model for melting phase change in porous media was established.
根据体积平均理论，建立多孔介质中融化相变过程自然对流模型。
Presents an optimal design method for PCM (phase change material) packed bed based on the heat transfer characteristics.
根据相变材料蓄冷堆积床的传热特性，提出了一种堆积床的优化设计方法。
A kind of composite phase change heat storage is introduced in this paper, including its working principles and structures.
介绍了一种复合相变蓄热器的工作原理和结构形式，提出了应用中所存在的问题。
Furthermore, the scanning speed has an important influence on the size of phase change region and thermally affected region.
激光扫描速度对相变硬化区和热影响区的大小有极大的影响。
The phase change phenomena of bagasse black liquor in its thickening was studied by using DSC(differential scanning calorimetry).
利用DSC的热分析法探讨了蔗渣浆黑液在蒸发浓缩中的相转变过程。
According to decalescence and discharge heat of phase change, single dimension passes heat theory model of phase change was created.
根据相变材料的吸热和放热特点，建立了相变材料的一维传热理论模型。
In this paper, optimization of phase change parameter and hardening parameter of closed hierarchical single surface model is studied.
对封闭型分级单屈服面模型参数中的阶段改变参数和硬化参数的优化进行了研究。
The pressure melting process of phase change material (the ice) around a horizontal elliptical cylinder with finite length is studied.
本文研究相变材料(冰)围绕水平椭圆柱，在有限长接触时的压力熔化过程。
Membrane separation has many advantages, such as no phase change, lower energy consuming, more facile operations and better selectivity.
膜分离具有无相变、低耗能、操作条件温和、分离选择性好等优点，是首选的分离技术。
Aim: To explore the early phase change of oligodendrocyte precursor cells in the brain of epileptic rats induced by chloride lithium-pilocarpine.
目的：探讨氯化锂毛果芸香碱(匹罗卡品)致疒间大鼠早期大脑少突胶质前体细胞变化及意义。
High temperature phase change heat storage using molten fluoride salts is one of the key techniques for space solar thermal dynamic power system.
高温熔盐相变储热是空间太阳能热动力发电系统的关键技术之一。
The differences of solid liquid phase change heat transfer process between two different void positions are analyzed through numerical simulation.
通过数值模拟计算，分析了两种不同的空穴位置下固液相变换热过程的差别。
Theoretic calculation and relative test are carried out against the rotor vertical and horizontal signal phase change rule during rotor running up.
针对转子在变速过程中垂直和水平信号相位及其差值变化规律进行了理论计算和相关试验。
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