熔度

The results show that temperature affects the viscosity and crystallizability of basalt melt,and the chemical composition also has significant impact on these properties.

实验结果表明，粘度、析晶性能随着温度的变化而变化，同时也显示了化学组成的变化对熔体粘度和析晶性能产生较大的影响。

A little Al2O3 would decrease high temperature viscosity of glaze flux, dep ress its devitrification and accordingly improve the whiteness and glossiness of glaze surface.

少量Al2O3则可以降低釉熔体高温粘度，抑制析晶，改善釉面白度和光泽度。

Specimens of the SBCB with different graphitizing degree were obtained in laboratory. Effects of graphitizing degree on the properties of the SBCB, including structure, thermal conductivity, thermal expansivity, resistance to thermal shock, resistance to erosion of molten iron and slag, were studied respectively.

在实验室制备了不同石墨化度的自焙碳块，并研究了石墨化度对自焙碳块的结构性质、高温冶金性能(包括恒压比热容、热扩散率、导热性、热膨胀性、抗热震性)、抗铁水和熔渣侵蚀性能及铁水渗透的影响。

Its rapidsolidification behaviour during recalescence was studied by means of high speed cinematography andrapid infrared pyrometry,It is found that interface heterogeneous nucleation takes place in preferenceto homogeneous nucleation even at an undercooling above the previously accepted critical undercool-ing 0.2T_mfor homogeneous nucleatio...

采用高速摄影及快速红外测温技术研究了深过冷熔体的快速凝固行为。发现尽管过冷度超过了以往认为的均质形核临界过冷度0.2T_m，但是 Ni-32.5%Sn 共晶合金仍然优先发生界面异质形核，再辉过程中瞬时凝固速度最大可达784mm/s。

It is clarified that the mechanism of imbalance filling results from dissymmetrical temperature distribution on the cross-section of runner, which is strongly influenced by the shear heat and the cooling process in the runner.

利用&H&型流道中熔体充填过程的静态和动态可视化实验结果以及熔体温度参数变化结果直观而全面揭示了充填不平衡现象的产生机理。

The formation of secondary phase in the non-equilibrium peritectic reaction was observed by precise transmission electron microscopy analysis. The microstructural evolution and phase selection regularities under different solidification velocities were constructed from the laser resolidification experiments. A new phenomenon involving two-phase coupled growth was firstly detected in the rapidly solidified Ti-Al peritectic alloy. The Ti-45Al-2Cr-2Nb alloy with fully lamellar structure ( a 2+ g ) was taken as an object to investigate the possible preparation of bulky metastable g phase materials based on both adjusting the competing nucleation relation and changing the growth kinetics condition.

首先通过过冷合金微观组织分析界定了各包晶合金熔体中各竞争相以初生相出现的过冷度区间；结合高温区的相图计算，从各相形核孕育时间角度揭示了过冷熔体中亚稳相与稳定相的竞争形核关系；通过精细微观组织分析，阐明了远离平衡时包晶反应中次生相的形成机理；在激光重凝快速凝固实验中建立了不同凝固速度下合金的组织与相形成规律，并对包晶合金中两相共生生长行为进行了深入分析；最后选取初生相为 a 的全层片 Ti-45Al-2Cr-2Nb 合金，从调整各相竞争形核关系和改变晶体生长动力学条件两个方面探索了块状亚稳 g 相材料的制备和控制。

The molding processes of complex coextrusion interface such as column, rectangle, hatch trapezia and inlay shape, were analyzed. It is showed that the interfacial appearances obtained by the simulation results are quite matched with the results of experiment.

同时通过分析指出确定工艺参数时应首先根据材料的特性(主要是两种聚合物的剪切粘度)和型材截面形状确定合理地入口流量比，然后再根据设备性能、熔体允许的压力降等条件确定两种熔体的入口流量。

The results show that the dissolution process of prefabricating alloy can be divided into two periods when the temperature of zinc melt is below the melting point of aluminum.Firstly,zinc melts infiltrates into the prefabricating alloy and then Zn-Al-TiC alloy forms in the surface layer of the prefabricating alloy.Secondly,the Zn-Al-TiC alloy of this alloy surface layer begins to dissolve to the zinc melt.

结果表明：当锌熔体温度低于铝熔点时，预制合金的溶解可分为两个阶段：第一阶段为液态锌向预制合金中浸渗，并在预制合金表层内形成Zn-Al-TiC合金；第二阶段为预制合金表层内的Zn-Al-TiC合金开始溶解并进入锌熔体。

The transition to the chromium oxide slag, the slag viscosity can increase liquidity decreases.

三氧化二铬过渡到熔渣后，能使熔渣粘度提高，流动性降低。

It is indicated that hydrides are easily decomposed. On the other hand, oxides could not be decomposed without the presence of carbon.

其次对熔体中各种气体的熔解度及蒸气压进行分析，特别是各种金属元素的影响，指出某些合金元素影响很大。C的存在和CO的析出保证了氧的定量析出，对氮的析出也有良好的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。