熔化热

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  • heat of fusion;melting heat
熔化热熔化热
  1. 金属熔化热的粒度效应

    The Effect of Particle Size on the Heat of Fusion of Pure Metals

  2. 熔化热是一种物质在其熔点温度全部熔化所需要的热量。

    The heat of fusion is the heat required to melt a substance at its normal melting temperature .

  3. 用铁的熔化热校正铁碳相图固相线及H点的研究

    Correction of Solid us and Point H in the Fe-C Binary Phase Diagram by Using the Melting Heat of Iron

  4. 试验合金的平均熔化热在170广西大学硕士学位论文高铝锌基合金的相变与热物理性能的研究kJ瓜g左右,高铝锌基合金熔化时能耗低。

    The average heat of fusion of five testing alloys remains about 170 kJ / kg , so high Aluminum Zn-based alloy consume less energy in their melting .

  5. 根据9幅二元合金相图,分别计算了6种炼钢用脱氧元素Si、Ca、Ba、Mn、La和Al的熔化热。

    According to nine binary alloy phase diagrams , fussion heat of six deoxidant elements Si , Ca , Ba , Mn , La and Al used for steelmaking were calculated .

  6. 提出了氧化铝固态和液态的焓方程。测定α-氧化铝的熔点为(2328±7)K,熔化热为1137.90J/g。

    The enthalpy equations are presented both for the solid and liquid state of α - Al2O3 . The melting point and melting heat were measured to be ( 2328 ± 7 ) K and 1137.90 J / g respectively .

  7. 550~2400K温区α-氧化铝焓值、熔点和熔化热的实验测定

    Experimental Measurement of Enthalpy , Melting Point and Melting Heat for a-Alumina in the Range from 550 to 2400K

  8. 本文还讨论了实测相图的误差来源,并由相图计算出EuI2的熔化热为21012J·mol-1。

    The deviation for the phase diagram measurement was briefly discussed and the melting enthalpy of EuI 2 was predicted to be 21012 J · mol - 1 from the phase diagrams .

  9. LDPE在N6/LDPE/EVA其混物中比在N6/LDPE共混物中有较低的熔化热,但其熔点在实验误差范围内保持不变。

    The heat of fusion of LDPE in the blends of N6 / LDPE / EVA is less than that in the blends of N6 / LDPE . The melting point of LDPE is same for all the blends within the limits of experimental error .

  10. 介绍了科研人员在Inoue经验理论的指导下发现的判定块状金属玻璃形成能力的方法:①用合金摩尔熔化热判定金属玻璃形成能力;

    The methods of determining the bulk metallic glass forming ability ( GFA ), which is found by researchers under the guide of experimental theory by Inoue , were introduced : ① by the mole heat of alloy melt ;

  11. 零示法&相变物质熔化热的测定

    Zero-type dynamometer & fusion heat measurement for phase change materials

  12. 改进的金属熔化热公式

    An improved formula for the HEAS of fusion of metals

  13. 根据二元合金相图计算脱氧元素的熔化热

    Calculating the fusion heat of deoxidant elements based on binary alloy phase diagram

  14. 跟踪温度&测定相变贮热物质熔化热

    To track on the temperature-measurement of fusion heat of phase change storage materials

  15. 三次熔化热测定的相对偏差为±0.1%。

    Of the percentage deviation , and the relative error for heat of fusion measurement is 0.1 % .

  16. 随着含铝量的增加,共析转变热减小;合金的熔点增加;合金的熔化热也增加,但增幅不大。

    With the increasing of aluminum content , the heat of eutectoid transformation reduces , while the melting point of alloy rises .

  17. 高比表面填料的加入会提高复合材料的熔化热,有助于降低材料的磨损率;

    And the addition of fillers with high specific surface area will cause an increase in the fusion heat of PTFE composites , then that makes the wear rate decrease ;

  18. 该工艺生产线日产可达1000付以上,成品率超过80%,节能效果显著,熔化热效率约65%,并大大改善了作业条件,基本上消除了空气污染。

    The prodution line by this technology can come up to 1000 sets per day , rate of finished product is over 80 % , results of energy saving is significant , heat efficiency of smelting is greatly improved and the air pollution has been basically removed .

  19. 气孔主要发生于部分熔化的热影响区,快速焊接能使气孔形成受到部分抑制。

    Rapid welding suppressed porosity to some extent .

  20. 两种纯金属的熔化差热分析曲线表明磁场对两者的熔化过程影响很小。

    The DTA curves of both of pure metals for melting showed that the melting is not affected by a magnetic field .

  21. βe因子在热力学方面取决于晶体熔化热和升华热的加权平均值,把它作为界面平衡结构的判据符合实验结果。

    Factor β _e depends on weighted average of fusion heat and sublimation heat of crystal in thermodynamics , it accords with text results that β _e is taken as the standard .

  22. 这个考虑提高了在熔化过程的热效率,减少了热量损失。

    This considerably improves the thermal efficiency of the melting process , reducing fuel consumption .

  23. 二元化合物熔化时的热分解率与其在相图中峰顶的曲率半径的关系

    Quantitative relation between decomposition rate and curvature radius of hump on phase diagram during binary chemical compound melting

  24. 煤氧竖炉熔化废钢的热态试验研究表明:采用煤氧竖炉熔化废钢在工艺上是可行的。

    The experimental research presented in this paper shows that scrap melting with coal-oxygen shaft furnace is technological feasible .

  25. 由熔化区、热影响和准静态热应力影响重叠区和过渡区组成,改性层表现出良好的耐磨性;

    The modified layer which consists of a molten zone and a heat-affect and quasistatic thermal stress-affected zone exhibited good wear resistance .

  26. 研究了水下熔化极电弧热切割工艺参数对切口成形的影响,分析了影响水下切割电弧稳定性的因素。

    The effect of underwater consumable electrode arc cutting process parameters on kerf shape was investigated , and the governing factors of underwater cutting arc stability was analyzed in this research .

  27. 该方法使我们利用普通微机能很容易地对包含超过105个原子的晶体薄膜的比热、熔化温度、热膨胀系数、热传导系数等热学性质进行模拟。

    This approach enable us to simulate the thermal properties including specific heat capacity , melting temperature , thermal expansion coefficient and thermal conductivity of film containing more than 105 atoms easily with ordinary microcomputer .

  28. 测定了不同几何结构的1,2-环己二醇的熔点、熔化热和燃烧热,并考察了它们的混合物的热力学行为。

    The melting point and the melting heat value as well as the combustion heat value were determined for the differ geometric structure 1,2-cyclohexanediol , and the thermodynamics properties were discussed on mixture of cis - and trans-1 , 2-cyclohexanediol .

  29. 随着EN极性比率增高,焊丝熔化系数增大,热输入减少,熔深变浅,余高增加。

    Advantages such as great wire melting coefficient , low heat input , shallow penetration and big reinforcement height are obtained at high electrode negative ratio .

  30. 本文还扼要介绍了高铬铸铁熔化、铸造和热处理的工艺。

    The molting , casting and heat-treatment techniques are reviewed briefly .