微晶的

The results show that the glass-ceramics with fibroid structure is produced after definite heat treatment, the main crystallization phase is hedenbergite and anorthite is the minor crystallization phase. The optimal process of heat treatment shows as follows: the nucleation temperature is 850 ℃ and hold time is 100 min, and the crystallization temperature is 980 ℃ and hold time is 80 min. With increasing heat treatment temperature, the FT-IR absorption bands appear obvious split, the aluminum-oxide polyhedron in the glass network changes from [AlO4] to [AlO6]. The titanium ion in the glass network gradually transforms to the 6-coordinated, moreover forms minicrystal of MgTi2O5 and Fe2TiO4 which provides the position of heterogeneous nucleation for the growth of crystal.

结果表明：在一定的热处理条件下可以以基础玻璃制备出主晶相为钙铁透辉石，次晶相为钙长石的纤维状结构的微晶玻璃；最佳的热处理工艺为：850 ℃核化100 min，980 ℃晶化80 min；随着热处理温度的升高，红外吸收带发生明显的分裂；玻璃结构中的[AlO4]向[AlO6]转化；网络结构中的钛离子逐渐转变为六配位，形成微晶相——钛酸镁和钛铁晶石，为晶体的生长提供非均匀形核位置。

The results showed that glass transition temperature and crystallization peak temperature of the ceramics changed little with the increasing value of the ratio, but its phase composition changed greatly, i.e., from augite to diopside with grain size gradually decreased and crystals uniformly distributed.

结果表明：随着w/w(SiO2)比值的增加，玻璃的转变温度和析晶峰温度变化较小，但微晶玻璃的物相组成发生较大变化，由普通辉石转变为透辉石，微晶玻璃内部的晶体尺寸逐渐减小，晶体分布相对均匀；微晶玻璃的弯曲强度逐渐增加。

The results show that, Main crystallization phase of glass ceramic was hedenbergite, and the minor crystallization phases were augite and hypersthene. With increasing boron mud addition, the amount and the size of crystallization phases both gradually increased, the configure of crystallization phases transformed from the branch, the ball, to the block. The transformation from the branch to the ball could improve the properties of glass ceramic, and the transformation from the ball to the block could worsen the properties of glass ceramic.

结果表明：矿渣微晶玻璃的主析晶相为钙铁辉石，次晶相为普通辉石和紫苏辉石；随着硼泥配入量的增加，矿渣微晶玻璃中晶体的析出量和尺寸均逐渐增加，晶体形态由枝晶向球晶及块状晶体过渡；枝晶向球晶转变可以明显改善矿渣微晶玻璃的性能，而球晶向块状晶体的转变则恶化了微晶玻璃的性能。

Study on bond and diamond of diamond core drill bit for reinforced concrete;2. Also glass ceramic is used as the bond of CBN grinding wheel by examining the properties of new bond .

研究了微晶玻璃中加入低熔物、成核剂后对微晶玻璃热处理曲线、微晶量及微晶体尺寸的影响，并通过测试改性微晶玻璃的软化温度和热膨胀系数对CBN磨粒的把持强度，进而将微晶玻璃用作CBN砂轮结合剂的作用作了研究，经过在数控凸轮轴磨床上的试验证明，微晶玻璃结合剂的CBN砂轮的磨削效果很好。

Liaoning Cando Microcrystal Glass Co., Ltd. is a high new technique enterprises together with development and production of Micorc rystal Glass.

辽宁晶德微晶玉石有限公司是一家集微晶石技术研发和产品生产为一体的高新技术企业，采用清华大学的专利技术，生产晶德微晶玉石系列产品。

With total investment of 150 million yuan,covering an area of 200 mu,with 400 employees,the company has two 200-meter largescale modernized kiln production lines and four polished tile production lines,and has completeset of ltalian modern polished tile production technology and latest super bright nano polished tile production technology.Main products include:Super bright Blue Moon Series,as well as Polycrystaline Micropowder,Crystal Tile,Magic Spreading,Dream Micropowder,Super Micropowder,Color-Penetrated Tile,Microlite Jade and so on, in nearly 100 varieties.

公司总投资1.5亿元，占地200亩，职员工400人，建有两条每条长200米现代化的大型窑炉生产线和四条抛光生产线，全套引进意大利现代抛光生产技术和最新型的超洁亮纳米抛光生产技术，主要产品有：超洁亮&蓝月亮&系列及聚晶微粉、透晶砖、魔术布料、梦幻微粉、超微粉、渗花砖、微晶玉石等八大系列，上百个花式品种。

Based on the previous research on the deposition of amorphous/microcrystalline silicon tandem solar cells, silane concentration for the deposition of microcrystalline bottom cell was selected to further optimize the performance for micromorph tandem solar cells using very high frequency technique. Finally, micromorph silicon tandem solar cell with 11.02%(Area=1.0cm2) initial conversion efficiency has been fabricated at a certain silane concentration and suitable light trapping structure.

采用甚高频等离子体增强化学气相沉积技术，在前期我们单室沉积的微晶硅薄膜太阳电池和非晶硅/微晶硅叠层太阳电池研究的基础上，通过对微晶硅底电池本征层硅烷浓度的优化，获得了初始效率达到11.02%（电池面积1.0cm2）的非晶硅/微晶硅叠层太阳电池。

The glass and crystalline glass-solders of Li2O-ZnO-SiO2 system were prepared by conventional melt technology. The various factors effecting on glass ceramics and glass were investigated,which include glass chemical composition and heat-treatment and so on. And then by means of XRD, DTA, IR and SEM, the structure and properties of the glass and glass-ceramic were studied. The coefficient of linear expansion , transform temperature and soft temperature wer measured. And then the factors that effect the mechanical strength of glass-ceramic were discussed and the fluxion property was determined and the crystallization course and mechanism were discussed, which can provide certain therial reference value for practice producing and glass seals to glass, ceramics and metal.

用高温熔融法制备了Li_2O-ZnO-SiO_2系统玻璃及其结晶型玻璃焊料，探讨了各种因素(包括玻璃组成、热处理制度等)对微晶玻璃的结构和性能的影响；利用X射线衍射分析、DTA、红外光谱分析以及扫描电镜等现代测试手段，对玻璃的结构与性能进行研究，测定了玻璃及微晶玻璃的线膨胀系数、转变温度和软化温度，同时对影响微晶玻璃的强度的因素进行了探讨，并对该体系玻璃的流散性进行了测定，对它的析晶过程和析晶机理进行探讨，为实际生产和与玻璃、陶瓷及金属封接提供了一定的理论参考价值。

We suggest that the CPO of amphibole in retrograded eclogites is probably formed by rigid body rotation and dissolution-precipitation creep of elongate amphibole grains in a less viscous matrix of symplectite.

结合光学显微特征观察，本文认为退变质榴辉岩中的角闪石 CPO 主要受其显著的长柱状和针状结晶习性控制，其形成机制为差异应力条件下的溶解－沉淀定向生长，可能伴随有早期的角闪石微晶的刚性旋转变形。

Grain boundary slidings happen in this alloy at the creep temperature of 200 ℃ and the deformation of this alloy is coordinated by intragranular slip and grain boundary sliding.

结果表明：在125~200 ℃蠕变温度下，当蠕变寿命接近100 h时，2024铝合金的蠕变应力随着温度的升高明显下降；与125 ℃相比，150 ℃时合金的蠕变应力下降9.3%，在175 ℃时合金的蠕变应力下降30.3%；当蠕变温度为200 ℃时，该合金的蠕变应力下降幅度达到45.8%；在125~175 ℃下，合金在蠕变过程中的变形机制主要为位错在晶内的滑移；在200℃时，合金晶界开始发生滑移，合金变形由晶界滑移与位错在晶内的滑移协调完成；在合金蠕变断面上存在大量微孔，随着蠕变温度的升高，微孔的尺寸明显变大，当微孔尺寸超过3 μm时，微孔对合金的断裂机制有显著影响；在125和150 ℃下，合金的蠕变断口呈现韧窝型穿晶断裂特征；在175和200 ℃下，合金的蠕变断口呈现沿晶断裂特征。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。