结晶

The relationship between the orientation of tetrahedral [SO4]2- in sulfate crystals such as barite,anhydrite, epsomite and jarosite and their morphology was studied from the standpoint of crystal chemistry,and the formation inechanisin of their morphology was analysed according to the structural orientation of tetrahedral [SO4]2- and the bonding energy between [SO4]2- and metal ions [M2+] during growth.

本文从硫酸盐类晶体中负离子配位多面体的结晶方位和相互联结的稳定性出发，探讨了硫酸盐类晶体中[SO4]2-结晶方位与晶体结晶形貌之间的关系；认为[SO4]2-四面体与金属阳离子（Ba2+、Ca2+、Mg2+…）结合时，由于晶体结构和生长条件的不同，在晶体各族晶面上的叠合速率和取向不同；晶体的结晶形貌迥然有别。

There exist strong negative correlation between crystal size and crystallinity of illite in altered mylonite of low strain and low water/rocks ratios, and positive correlation between crystal size and crystallinity of chlorite in altered untramylonite of high strain and high water/rocks ratios.

在岩石应变较弱、水／岩比较小的糜棱岩带，伊利石的平均结晶大小与结晶度成负相关，而在岩石应变较强、水／岩比较大的超糜棱岩带，绿泥石的平均结晶大小与结晶度成正相关。

It is shown that the surface of carbon fiber displays a high propens ity to nucleate PP crystallization.

碳纤维表面对聚丙烯结晶过程具有明显的促进作用，纤维表面成核密度轻高，结晶生长成为横穿结晶，结晶特征温度随碳纤维加入而有不同程度的升高。

With the increase of a nucleator amount, the tensile and flexural properties of iPP are improved.

3加入α成核剂后，iPP树脂的熔点与结晶温度升高，结晶诱导期变短，结晶速率增大，结晶度增加。

The results proclaimed that nucleator C caused the thinner spherulites of POM and a greater growth rate, which was a three dimensional heterogenous growth process, and the crystal system of POM was not changed, but the crys-tallinity of POM decreased, the crystallite size of POM increased.

实验果表明，成核剂C的加入，使POM球晶细化，结晶速度加快，结晶过程为异相成核三维生长过程，且不改变POM的结晶晶型但结晶度略有下降，微晶尺pp成核剂寸增大。

On the basis of numberical simulation, water model test and Laser measuring velocity for fluid flow in mould was conducted to correct the calculated results.

本文针对薄板坯连铸两种典型结晶器--ISP结晶器和CSP结晶器，采用数值仿真和物理模拟试验相结合的研究方法，在国内外首次系统地模拟了结晶器内钢液。。。

The new mold adopts the plane section instead of the funnel section of H^2 mold bottom, and shorten the length from 2100 mm to 900 mm. By simulating and optimizing the slab stress in molds, a new shape-funnel mold is designed, which have merits of lower slab stress and strain and smooth-transition of curve surfaces.

这种漏斗型结晶器将H^2，结晶器下部的漏斗区改为平面区，结晶器漏斗区高度由2100mm缩短为900mm，并通过模拟计算和优化设计，使结晶器内腔曲面形状各部分平滑过渡，使其具有生产铸坯承受变形应力小的优点。

However, the influences of electric field on the recrystallization and recrystallization texture development are not clear.

研究电场作用下的再结晶过程及再结晶织构的演变规律，不但可以加深对再结晶形成机制和电场作用机理的理解，而且可以为再结晶织构的调控提供一条有效途径。

In this study, tolbutamide was used as a model drug and three different approaches of crystallization methods including cooling crystallization, salting out crystallization, and melting crystallization were used to search for various polymorphs.

文中采用Tolbutamide为模式药物以及三种不同的结晶方法，包括冷却结晶、盐析结晶与熔融结晶以寻找各种多晶型。

The crystallinity of WO3 has strong influence on samples' performance. When WO3 is tungstite or amorphous, the TiO2-WO3 composites have no or quite low energy storage capacity. The energy storage capacity is improved with the crystallinty of WO3 increasing.

且WO3的结晶度对材料储能性有一定的影响：WO3为水合态或结晶度很低时，材料几乎没有光催化储能性；随着结晶度的增强，储能性提高；TiO2-WO3的储能性能最高达到0.83×10-3C·mg-1；结晶度过高，储能性反之降低。

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。