查询词典 solidification

In order to produce the billet without surface defect under high casting speed and to raise the ratio of DHR or HDCR operation and reduce defect ratio of the final products, soft contact EMCC (Electromagnetic Continuous Casting) technique by imposing high frequency electromagnetic field on the molten steel meniscus region has been developed. This technique is used to control the initial solidification of the billet.

为了在高拉速条件下生产出无表面缺陷的铸坯，以进一步增大铸坯HDR或DHCR的操作比率、提高最终产品的无缺陷率，连铸技术工作者开发出利用高频交变磁场对铸坯初始凝固过程进行控制的软接触电磁连铸技术。

Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect.

结论电渗滤水混凝土技术能有效地解决混凝土的大水灰质量比施工、小水灰质量比固化的矛盾，有重要学术价值和广阔的应用前景。

Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology.

方法采用电渗技术，利用水泥水化产生的双电层的导电性能，使混凝土中的多余水分向阴极聚集，以减少混凝土的凝结水灰质量比。

The feasibility of the SHS reaction was determined consequently, the combustion products and the solidification process of molten Cu and Cr were analyzed and calculated elementally.

通过对CuO-Cr2O3-Al反应体系的绝热温度计算及热力学分析，确定该体系自蔓延反应进行的可行性，并对反应后液态金属Cu和金属Cr的冷凝过程进行了初步的分析与计算。

In this paper, the effects of factors like flotation、cooling velocity on distribution and microstructure of the material were studied under the condition of unidirectional and multidi〓tional solidification, an order of magnitude analysis was performad in order to understand the dynamics of an advancing solid/liquid interface behind a particle as well as the behavior of the particle in front of the interface, and a model of critical velocity for the pushing/engulfment transition of particles by the interface was built, the theoretic result gave a good explain to experimental one.

本文考察了在常规铸造和定向凝固条件下，浮力、冷却速度等因素对SiC颗粒分布以及材料组织的影响，分析了颗粒在凝固过程中的行为以及对界面的作用，建立了在胞状树枝晶凝固条件下枝晶对颗粒的推移/吞并临界速度模型，理论分析和实验结果基本一致。

Keywords Al base immiscible alloy;directional solidification;solid/liquid interface;repulsion/engulfment/entrapment;microstructure development

Al基难混溶合金；定向凝固；固/液界面；排斥/吞并/捕获；组织演变

As the supplement of the solidification theory, the melting tamperatures of nanocrystals, the glass transition temperatures of nanosized glasses, the ferromagnetic and ferroelectric transsition temperatures and the solid phase transition temperatures as well as the corresponding hysteresis of different materials are calculated and determined. The effect of the pressure on phase transition temperatures and the binary solution nanophase equilibrium diagram is constructed.

作为凝固理论的补充，计算和测定了纳米晶体的熔化温度，纳米玻璃的玻璃转变温度以及铁磁与铁电居里转变温度，纳米晶体的固态相变温度以及相关的动力学滞后，压力对相变温度的影响，二元无限互溶固溶体的纳米相图。

Under the high frequency vibrating action, the crystal grain formed on the surface of the crystal nucleus eradiation equipment would be broken and peeled off, thereby ejected to zinc molten pool continuously and served as crystal nucleus source of equiaxed grain during solidification.

结果表明，当一种带有冷却结构且进行高频振动的晶核发射器插入锌液内时，锌液在晶核发射器表面迅速形核且长大，在高频振动作用下表面形成的晶粒将被折断剥离，从而连续不断地弹射到锌液中，成为凝固过程中形成大量等轴晶的晶核来源；采用带有水冷和气冷结构的晶核发射器对锌液进行振动激发形核处理后，锌凝固组织中的等轴晶率可分别提高到65%和80%。

Interfacial heat transfer coefficient between casting and mould is an essential boundary condition in simulation of metal solidification.

金属凝固过程中，铸件与铸型间的界面换热系数是数值模拟所必需的边界条件之一。

The main technological properties are linear expansivity, tensile strength, flowability and solidification time.

石膏型混合料主要的工艺性能有：线膨胀率、抗拉强度、流动性和胶凝时间。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。