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。
The ceramics matrix composites can be formed by pseudo-semi-solid thixoforming and the forming temperature was much lower than the melting temperature of the high-melting phase-nano-powder.
用伪半固态触变成形技术能够成形陶瓷基复合材料,成形温度大大低于高熔点相纳米粉体熔化温度。
Raman spectrum study indicates that the inclusion minerals show the melting phase feature, and cathodoluminescence images show that this type of zircon has a relatively homogeneous internal structure.
拉曼研究表明包裹体矿物具熔融相特征;阴极发光图像中反映出这种锆石具有相对均一的内部结构。
Such melting from below is particularly efficient since the temperature at the ice-ocean interface is fixed by the phase equilibrium that must be maintained there.
海冰交接面上的相平衡*1保证了那里的温度稳定不变,这就使得这种由下而上的融化尤为高效。
The later corresponded to the transition from orthorhombic phase to hexagonal phase and the melting behavior of hexagonal phase separately.
后者则分别对应于正交晶相向六方晶相的转变和六方晶相的熔融。
When the reaction products form as high melting point CA2, CA6 and MA spinel in a continuous solid phase it will clog the liquid channel and resist the further diffusion of fused slag in the brick.
并且当熔渣与耐火材料的反应产物为高熔点的CA2、CA6和MA尖晶石相且连续交错分布时,能堵塞液相扩散通道,抑制熔渣向耐火材料内部的进一步渗透。
This paper studied the melting characteristics of binding phase in high-basicity sinter and got the relationship between the melting temperature and binding phases composition.
本文以高碱度烧结矿中的铁酸盐黏结相为研究对象,考察了黏结相的熔化特性随黏结相组成的变化规律。
From the above, it is evident that the Langshan granite is an in-situ metasomatic granite, which has not undergone the phase of melting magma.
上述特征反映了狼山花岗岩是未经熔融岩浆阶段改造的原地交代成因花岗岩。
This paper presents the chemical compositions, phase constitutions, and absorbing behavior produced by new techniques, such as vacuum melting, powder rolling.
本文介绍了采用真空熔炼、粉末轧制等新工艺生产的消气剂产品的化学成分、相组成和吸气特性。
The results can be explained in terms of better phase separation and higher melting temperatures of the urea linkages over the urethane linkages.
这可用脲键比氨酯键有较好的相分离和较高的熔化温度来说明。
The mp values of copolymers were established from DSC measurements and the crystalline phase content was determined from the area of endothermic melting peaks.
由DSC测量确定共聚物熔点,结晶相含量由吸热熔融峰面积确定。
Latent heat storage system based on phase change materials' (PCMs) melting and freezing is particularly suitable for solar energy heating, peak-shift of electrical demand and heat recovery.
基于相变材料熔化和凝固过程的相变潜热储能系统适用于太阳能加热、电力的‘削峰填谷’、热能回收。
It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.
熔化区和固态相变区硬化相组织极为细小,马氏体呈微细针状,具有孪晶亚结构。
The melting process of phase change materials (PCM) inside a finite length rectangular capsule which is heated isothermally at the bottom is analyzed.
对水平矩形腔内相变材料的接触熔化过程进行了研究。
There are many pores in the sinter, which is attributed to low melting point and crystallization capacity of the binding phase.
低氟烧结矿中存在大量微气孔是由于其粘结相的熔点和结晶能力低造成的。
The metal-sulfide phase of previous melting experimental results of Zhaodong chondrite was observed and analysed again.
并与先前肇东陨石全岩样的高压熔融实验进行比较。
By controlling combustion temperature or adding kaolin clay to make alkali metal salts into high melting substances, coking can be avoided in dense phase zone.
通过控制密相区燃烧温度或添加高岭土使之与碱金属钠盐形成高熔点物质,可避免密相区结焦。
Crystalline resins have a very sharp melting point and require significant energy (heat) input before they undergo a phase change and melt to a low viscosity.
结晶型树脂有很尖锐的熔点,要求大量的热能才能进行相转变并熔融到一种低粘状态。
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。
The phase transformation hardening and fast melting-solidification by controlling power intensity and shocking-time of laser pulse have been analysed.
分析和实验得出,通过控制入射激光功率密度和作用时间可以实现相变硬化及快速熔化——凝固处理。
Under normal condition, effect on element of solid melting Cu is big and on element separated out of the second phase is small.
正常状态下,对固态熔铜的影响很大,而对分离的第二相则比较小。
The finite length contact melting of phase change material around a moving horizontal elliptical cylinder driven by temperature difference was investigated.
提出并研究了相变材料围绕水平椭圆柱,在有限长接触时的温差熔化过程。
For smaller clusters, there is no clear characteristic of first-order phase transition during the melting, implying a coexistence of solid and liquid phases due to finite-size effect.
对于较小的团簇,融化曲线没有出现清楚的一级相变特征,意味着由于尺寸效应导致的固态液态共存。
The basic way to decrease the pore number and improve the strength of the sinter with low fluorine is increasing the melting point and crystallization capacity of the binding phase.
因此提高低氟烧结矿粘结相的熔点及结晶能力是降低微气孔率、提高强度的根本途径。
Additionally, the glass phase with low melting point may also cause microwave dielectric loss to increase remarkably.
另一方面低熔点的玻璃相引起微波损耗急剧上升。
In this paper, the development and mechanism of phase morphology of multiphase polymer during melting were reviewed. The online analysis methods of multiphase polymer blending were summarized.
叙述了多相聚合物共混过程中相结构的形成及变化机理,并综述了多相聚合物共混加工在线分析的几种方法。
The thermal properties of cool storage material include freezing and melting point, freezing and melting latent heat during the phase change process were investigated.
通过实验研究了空调蓄冷材料的凝固温度、融解温度、凝固潜热和融解潜热等热学性能。
When the temperature of the blend is between melting-point and phase-mixing point, both melting-crystal phase and amorphous miscible phase are present.
这对高聚物是一完全互溶的共混体系,当共混体系处在熔点和相混合温度之间时,同时存在结晶的熔融相和无定形的相容共混相。
The various contact melting processes of phase change material around the horizontal cylinder and flat are studied.
讨论相变材料围绕水平圆柱与平板下各种形式的接触熔化过程。
The various contact melting processes of phase change material around the horizontal cylinder and flat are studied.
讨论相变材料围绕水平圆柱与平板下各种形式的接触熔化过程。
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