结晶

Heat transfer between ingot and mold is then intensified by the quickened flow velocity of Al melt. As a result, the initial solidifying point on the ingot surface in mold moves upwards to decrease the height of contact zone between the melt and mold so as to improve the surface quality of ingot.

铝熔体流动速度的加快能增强石墨环与铝熔体之间的换热，使结晶器内铸锭表面初始凝壳点位置上移，减小了铝熔体与结晶器的有效接触高度，提高了铸锭的表面质量。

It is found that the fine tempering sorbite is obtained in condition of 930℃ direct quenching temperature and 640℃ tempering temperature after controlled rolling.

结果表明：经奥氏体再结晶区和未再结晶区两阶段结合控制轧制后在线930℃直接淬火、640℃回火，钢板可获得均匀、细小的回火索氏体组织，其综合力学性能均超过标准要求。

It is found that the fine tempering sorbite is obtained in condition of 930℃ direct quenching temperature and 640℃ tempering temperature after controlled rolling. The mechanical properties of SPV490 steel plate are above the standard requirement.

结果表明：经奥氏体再结晶区和未再结晶区两阶段结合控制轧制后在线930℃直接淬火、640℃回火，钢板可获得均匀、细小的回火索氏体组织，其综合力学性能均超过标准要求。

Experimental results showed that the optimum temperature for spherulite growth of Nylon-1010 is between 150 and 175℃.

结晶的生长和存在以及结晶数量、大小等都必然会影响产品的力学和光学等性能〔''。

Nano-SiO2 particles can also increase the crystallization temprature and crystallization rate of PP and decrease its size of spherulite.

纳米SiO2可提高PP的结晶温度和结晶速度，并使球晶细化。

The spherulite morphology of PA1010/6 crystallizing at different conditions was studied by PLM and SEM.

在正交偏光显微镜和扫描电镜下观察了不同结晶条件下PA1010/6共聚物结晶及球晶形态。

The addition of AOPS can make the crystalline peak sharper, and increase the number of spherulite. ft can promote the mechanical property and thermal stability of blends.

相同含量增塑剂对4HB含量较低的共混体系结晶性能影响较大，而对4HB含量较高的共混体的结晶性能影响较小。

During the second crystallization peak, XRD continues to detect spodumene indicating, however, the additional production of cordierite and indialite which are, now, the main crystalline phases.

在第2个结晶化高峰间，XRD分析显示锂辉石仍然存在，但主要的结晶态为额外产生的堇青石和印度石。

The results show that the index of susceptibility to test environment increases with increase of recrystallized degree .

结果表明，随着再结晶程度的增加，合金的塑性先增加后降低，不完全再结晶的样品表现出良好的拉伸塑性。

The results indicate that, comparing with the crystallization without urea, the time of crystal occurrence is 1.5 times longer, the density of suspensoid is raised by 50%, both of crystal length and crystal width are increased, especially...

粒度分布的定量分析显示，尿素硫酸摩尔比为 3.6：1、过程温度80℃时，硫酸钙的成核速率减少了25%，但结晶成长速率增加了1.2倍，结晶粒度分布中心由72.8mm 增大到 142.8mm，平均粒径由70.98mm 增加为 105.45mm 。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。