过冷

Obviously, Such kind of tube bundle layout can reduce condensate supercooling and satisfy the demand of good deoxidization.

显然，这种形式的管束布置能减少凝结水过冷，满足良好除氧性能的要求。

The effect on the ratio of refrigeration coefficient with the super-cooling of the refrigeration cycle;2. The results show that the optimum heat preservation temperature is 605℃ as a result of the super-cooling and diffuseness.

电子显微镜及图象分析仪分析表明，由于过冷和扩散的共同影响，A35 6铝合金液相线铸造最佳保温温度 6 0 5℃；在 6 0 min时间内，晶核数目随保温时间的延长而增加，且分布愈加均

Using the probability relaxation model,we obtainedthat the diffusion constant and the relaxation time have the same temperaturedependence,denoting our view is correct.

分子动力学模拟计算的扩散系数和弛豫时间都遵从Vogel-Fucher关系，进一步支持了过冷液体的非指数弛豫的粒子逃离笼子的机制。

Nd and Y showed more evident effects than Gd and La due to lower temperature of eutectic reaction with aluminum. In order to investigate mechanism of the formation of the intercellular dispersoid which is being in debate and possibility of suppressing the dispersoid, a nucleation kinetic model which including unsteady nucleation and effect of alloy element was established.

Al-Fe-Mo-Si-Zr-Ti合金粉末具有四种凝固组织，初生Al〓〓，α-Al与Al〓共晶，胞晶及显微胞晶，合金元素Mo的加入，显著提高合金粉末凝固前的过冷度，使10~40μm粉末的凝固机制发生了变化，由导热控制型转变成溶质扩散控制型，从而基本上消除了该尺寸范围内粉末凝固组织中共晶成分和初生相，但对大于40μm的粉末，因共晶区富Zr核心的优先形成而使Mo的作用效果不明显。

The relationships of cleanness , undercooling and grain size of low carbon steel have been investigated by using of vacuum glass encasement levitation melting.

利用玻璃包熔真空悬浮熔炼等手段研究低碳钢的纯净度、过冷度与晶粒度之间的关系研究表明：随着包熔次数增加，钢中夹杂物含量减少，纯净度提高。

The sloping plate can provide sufficiently the under-cooling for nucleation and lay a foundation for heterogeneous nucleation to form lots of nuclei of crystal internally and on the sloping plate surface, thus causing the melt to nucleates eruptively. Under the action of both metal flow and vibration, the nuclei formed on the sloping plate surface can move freely and disperse into the melt, and they are able to maintain the direct growth in spherical shape in the homogeneous composition and temperature fields.

倾斜板为形核提供足够大的过冷度和异质形核基础，大量晶核在斜板表面和内部形成，使熔体爆发形核，在流动和振动作用下斜板表面形成的晶核游离，弥散到熔体内部，晶核在均匀的成分场与温度场条件下，可以保持直接球状生长。

Of Heat Energy Equipment, which solves the problem of excess pressure in compressor exhaust and promotes the energy efficiency ratio.

本文介绍了安源热能设备有限公司在热泵产品中，装设过冷器的试验与实践，解决压缩机排气超压的问题，同时提高了产品的能效比。

Due to specific geometry of the fluted helix surface, sub-cooled boiling can be realized on the interface of the rising film.

由于刻槽管特殊的几何结构，液膜表面能实现欠热蒸发和过冷沸腾。

Another winter occurrence in and around Yosemite Falls is "frazil ice", a substance that forms in waterfalls and creeks when water becomes super cooled.

在约塞米蒂瀑布内和周围发生的另一个冬季现象就是"水内冰"，这是一种当水达到过冷状态时在瀑布和溪流中形成的物质。

One undercooling criterion of equi-nucleation is derived from analysis of Gaussian distribution model of heterogeneous nucleation.

通过对高斯异质形核公式的研究，给出了等轴晶开始形核的过冷度判据，更为准确的描述柱状晶向等轴晶的转变过程。

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。