理论上，你需要核心里的熔化铁来产生它，但是水星很小，它的核心凝固还要很久。
In theory, you need molten iron in the core to generate one, but Mercury is so small, its core should have long since solidified.
然后加入更多的这种粉状材料，熔化后再凝固，层层堆积，直到最后形成要制造的物品。
Then more powder is added, melting and solidifying to add layer upon layer until the object is fully formed.
进一步的理论说明，一旦熔化的碎片合并到月球上，月球的地壳凝固时间超过了几亿年。
Once the molten debris coalesced into the moon, the theory goes, its crust solidified over several hundred million years.
火成岩是从熔融状态(特别是通过熔化岩浆)凝固而成的石头。
Igneous rock is rock formed by solidification from a molten state; especially from molten magma.
其目的是当熔化金属凝固和收缩时往型腔里补充熔化金属，从而防止在主铸件中产生孔隙。
The purpose of this is to feed the molten metal to the mold cavity as the molten metal solidifies and shrinks, and thereby prevents voids in the main casting.
水平连铸这道工序包括四个过程：电解铜板的熔化，铜液的凝固，管坯的牵引和管坯的切割。
Horizontal continuous casting procedure includes four processes: electrolysis copper plate melting, copper fluid solidification, the drawing and cutting of tube billet.
对定向凝固区域熔化液态金属冷却法的固液界面前沿温度梯度进行了测定。
The temperature gradient in front of S/L interface was measured on Zone Melting Liquid Metal Cooling(ZMLMC) directional solidification apparatus.
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。
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.
其中有关物态变化的熔化和凝固方面的研究对凝聚态物质的研究具有深远的意义。
The research on such state changes of condensed matter as melting and freezing is very important.
本文将着重介绍真空熔化氩气保护连续定向凝固设备的结构特点及工作原理。
This paper will discuss especially on the structure and working principle of continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield.
数值求解中，对凝固过程与熔化过程加以分别考虑，考虑了诸如蕊芯的影响及自然对流效应等因素，所得结果具有实用价值。
Solidification and melting process are studied separately with different considerations such as the effects of core and natural convection. Valuable results were gotten.
铸造是将金属熔化，然后流入有特定形状的型腔中，凝固之后就形成了特定的形状，铸铜那是利用型腔浇注成型。
Casting a molten metal, and then flows into the specific shape of the cavity, then solidified to form a specific shape, it is the use of bronze casting molding cavity.
讨论了正常熔化时间即断电前炉内状态对断电后钢液凝固和炉内温度变化的影响。
The effect of the initial state on the solidification process of liquid steel and the temperature changing inside furnace were discussed, respectively.
火成的由熔化的岩石凝固形成的。
Formed by solidification from a molten state. Used of rocks.
讨论了电极熔化速度与凝固质量之间的关系，及如何计算合理的熔化速度。
Relation between melting rate and solidification quality and how to obtained the reasonable melting rate is discussed.
在交代作用后期，更多的花岗岩形成，这些花岗岩可再熔化，熔化后又会凝固并被交代流体作用。
More granitic rocks are produced in the late-stage of metasomatism, which could be remelt, and each successive melt could be solidified and modified by metasomatic fluids.
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。
The phase transformation hardening and fast melting-solidification by controlling power intensity and shocking-time of laser pulse have been analysed.
结果表明：只有微分干涉相衬法光学金相才清晰地显示了熔合区扩散过渡层存在白亮、光滑、无胞状柱状凝固特征的“白亮带”和具有胞状凝固特征的后续熔化滞留层。
The results show that "the bright band" and "follow-up melted stagnant layer" are clearly observed only with differential interference contrast and has bright and no cellar-columnar.
激光熔覆是利用激光辐射使熔覆材料和基体表面同时熔化并快速凝固、从而显著改善基体材料物理性能的一种新的工艺方法。
Laser cladding is a new surface strengthening technology which USES laser radiation to let coating materials and the surface of substrate melt simultaneous.
火成的由熔化的岩石凝固形成的。
The rock formed by the cooling and solidifying of molten rock.
没有一定的熔点，在一定的熔点范围内熔化，凝固时没有热效应。
It will melt in a certain range of melting points , but it has no definite melting point .
火成的由熔化的岩石凝固形成的。
辊芯熔合界面附近的外层金属先后经历了凝固、熔化、再凝固的过程。
Outer cladding metal nearby the fusion interface of roll mandrel experienced the process of solidification-fusion-re-solidification.
辊芯熔合界面附近的外层金属先后经历了凝固、熔化、再凝固的过程。
Outer cladding metal nearby the fusion interface of roll mandrel experienced the process of solidification-fusion-re-solidification.
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