结晶化

In view of globe lens grinding, multi-component glass substrate ion exchange and crystallization of the glass substrate of light and heat, a method is proposed for designing, manufacturing aplanatic double-convex aspherical waveguide lens and testing its parameter.

针对微透镜制作采用的球透镜研磨，多组分玻璃基板离子交换，结晶化玻璃基板光热法，本文提出非球面消球差双凸波导透镜设计、制备及参数测试方法。

For this temperature, cordierite also crystallizes though in a very small amount.

在此温度下，堇青石也开始结晶化，尽管幅度很小。

Glass-ceramics material is prepared out of the base glass via controlled crystallization and devitrification treatments.

微晶玻璃(glass-ceramics)又称玻璃陶瓷或结晶化玻璃，是由基础玻璃经控制晶化行为而制得的微晶体和玻璃相均匀分布的材料。

In this study, the glasses were prepared from reagent-gade chemicals Mg2, CaCO3, BaCO3 ,Al2O3, and 9wt% ZrO2 which acts as nucleating agent, by quenching method. The glass-ceramics, which are transmitting in the middle IR region and have improved mechanical strength, were made from the parent glass via suitable crystallization heat-treatment.

本研究是以Mg2、CaCO3、 BaCO3 及Al2O3，为主要的成分，再添加9wt ﹪ZrO2作为成核剂，用高温淬冷的方式制备出玻璃，再施以结晶热处理，希望制出结晶化且具有透中红外光的玻璃陶瓷，以提高机械强度。

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 showed that:①the crystalline phases are mainly the cuspidine, wollastonite and gehlenite with nepheline, fluorite and olivine also found in some samples under the experimental conditions;②with the bacisity and CaF_2 content increased, crystalline proportion of mold flux rises .

熔融保护渣在MoSi2高温电阻炉内以2℃/min降温速率冷却至室温，制成薄片，采用岩相显微镜分析保护渣的结晶矿相·结果表明：在本实验条件下，结晶矿相主要有枪晶石，硅灰石，黄长石，个别渣样有霞石，萤石，橄榄石；增大保护渣碱度，能促进保护渣结晶；随着渣中CaF2，Na2O，K2O和Li2O质量分数的增大，保护渣结晶化率增大；随着渣中Al2O3，MgO，BaO和MnO质量分数的增大，保护渣结晶化率减小

In order to apply the glasses in a severer environment, the IR properties must be improved.

为了使此种玻璃能应用在更严苛的环境，本研究将玻璃结晶化，成为玻璃陶瓷，希望能藉由结晶相来强化玻璃的室温及高温机械性质。

The results showed that the crystallization ratio and time of mold fluxes had great difference at the different temperature.

结果表明：不同的实验温度条件下，连铸保护渣的结晶化率和结晶时间相差很大。

With increase of cooling rate, temperature, time and ratio of crystallization of mold fluxes are reduced.

随着冷却速率的增加，连铸保护渣的结晶温度下降，同时结晶时间和结晶化率减少。

Under the experimental condition, the crystallization ratio of mold fluxes were 100%, and the crystallization time were 262 s and 99 s at 1000 ℃ and 1200 ℃ respectively.

在实验条件下，实验温度为1000，1200℃时，连铸保护渣的结晶化率均达到100%，但结晶时间随着实验温度的上升而减少，分别为

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。