查询词典 solidification

The Ni5Zr with low melting point forms because of Zr-rich liquid film will be maintained below 1180℃, therefore, solidification range of the alloy widens by 80℃ and the intenyal between the temperature at which the interdendritie feeding action disappears and the solidus temperature enlarges by 60℃....

在凝固过程中富Zr的液膜保持到低于1180℃的温度，结果使合金的凝固范围扩大了80℃。使失去枝晶间补缩的温度与固相线的温度范围扩大了60℃。这是含Zr含金热裂倾向大的原因之一。

To control the solidification process of supercooled liquid metal, specific heat capacity is of particular importance.

准确获得深过冷态的液态金属热物理性质及其规律对于这一新技术具有决定性的意义。

The phase assemblage, microstructure and elemental distribution were researched by X-ray diffractometer, scanning electron microscopy with energy dispersive spectrometer. The mechanism of solidification neodymium in assorted minerals of zirconolite and sphene was probed into.

利用X射线衍射、扫描电镜／能谱仪研究其矿相组成、微观结构和元素分布，探讨Nd在钙钦错石和捐石组合矿物固化体中的固溶机制。

With the increasing of undercooling, the mean crystal diameter of supercooled solidification microstructures shows a variation from coarse to fine, then fine to coarse, and finally fine again. The coarse crystals are developed crystals, while the fine crystals are spherical crystals with a mean diameter about 50μm.

2随着过冷度的增加，深过冷凝固的微观组织的晶粒直径呈现出"粗—细—粗—细"的变化规律，粗晶为发达的等轴枝晶，细晶则为直径约50μm的球晶。

Mathematical model of the microstructure as well as the mechanical properties of spheroidal graphite iron casting was researched on the basis of solidification and thermodynamics theories.

根据结晶及相变动力学理论，建立了预测球墨铸铁件铸态组织及机械性能的数学模型。

It is defined as 1/60 of the luminous intensity per square centimeter of a black body radiator at the temperature of solidification of platinum.

一烛光是一个黑色国辐射物体在白金凝固的温度下每平方厘米所发出光度的1/60。

The effect of press, stirrer speed and solidification time on encapsulation efficiency and the release behavior of BSA-loaded microcapsules were investigated.

研究了膜乳化压力、搅拌速度和固化时间对包封率的影响，以及载药微囊的体外释放行为。

The results show that, in some sense, the influence of superheat of the melt on the solidified microstructure is caused by the variation of supercooling condition during the solidification process.

研究结果表明，熔体的过热对凝固组织的影响在某种意义上是通过改变凝固时的过冷条件来达到的。

The nature of supercooling directional solidification is the crystal growth under unidirectional heat transfer.

7深过冷定向凝固，实质是在单向热流条件下过冷熔体中的枝晶生长问题。

Based upon this, the author puts forward that the supercooling solidification should consist three stages, i.

据此，提出深过冷凝固过程应包含形核、快速再辉和快速凝固三个阶段。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了