晶体

This research and development effort bore its first noteworthy fruit in 1886 when Zeiss marketed the first "aphochromate" microscope objectives; this apochromatic microscope objective offered superior quality. Employing "fluorspar" elements this was the first use of crystal in an industrial optical application.

这些研究和发展的努力在1886年结出了第一个果实，蔡司公司于当年推出了"aphochromate"显微镜即复消色差透镜显微镜；此种显微镜提供了出众的品质，其中萤石成分的使用是玻璃晶体在工业光学中的首次应用。

A kind of apophyllite crystal with the important research value is found recently in Huangshi district of Hubei Province in China, and its crystal habit is different from that of apophyllite from other areas.

近年来，在湖北黄石地区发现了具有重要研究价值的鱼眼石晶体，其结晶习性与其它地区的鱼眼石有一定的区别。

The results show that the crystal form of the apophyllite sample from Huangshi of Hubei Province is mainly in tabular, and that of the sample from Punna of India is in columnar. The main elements of the both samples are Si, Ca and K, but Al and Na could be found in the sample from Huangshi of Hubei Province. The gas-liquid inclusion is mainly in apophyllite sample from Huangshi of Hubei Province, and the quartz and zeolite inclusions are mainly in the sample from Punna of India.

结果显示，湖北黄石鱼眼石样品的结晶形态以板状为主，印度浦那鱼眼石样品则以柱状为主；所有样品的主要元素均为Si，Ca和K，但湖北黄石鱼眼石样品中还含有Al和Na元素；湖北黄石鱼眼石样品以气液两相包裹体为主，印度浦那鱼眼石样品则以石英、沸石等晶体包裹体为主。

Electronic structure of tetragonal HfO2 crystal has been calculated using localized density approximation approach of density functional theory.

采用密度泛函理论框架下的局域密度近似，计算了四方HfO2晶体的电子结构，包括能带结构和态密度。

Decreased activity of SOD and GPX in the aqueous humor and lens was one of the causes of cataractogenesis.

在房水和晶体中SOD和GSH-PX活性的下降是形成老年性白内障的原因之一。

Calcite and aragonite are the two crystal forms of calcium carbonate, a property of minerals geologists call dimorphism.

方解石和文石是两个晶体形式的碳酸钙，财产的矿物地质学家呼吁二重性。

Studies on the preparation of aragonite whisker and its growth mechanism are meaningful at theory and practice to develop traditional calcium carbonate industry, new materials and theory of crystal growth.

制备文石相碳酸钙晶须的研究对促进我国传统碳酸钙产业、新材料的开发以及晶体生长理论的发展都具有重要的理论意义和实践意义。

Secondly, we conducted an in vitro experiment to simulate the growth of aragonite on nacre surface via the vapor diffusion method in the absence of any other additional additives.

其次，本文采用传统的气相扩散方法，在没有任何添加剂的溶液中，进行了珍珠质基底上CaCO_3晶体的体外沉积实验。

There is a story dating back to 1780, where the Archduchess Marie-Anne of Austria presented an original tourmaline crystal to the Duke Charles of Lorraine for his collection.

有一个故事可以追溯到1780年，那里的女大公玛丽奥地利的安妮提出了原始电气石晶体的洛林公爵查理为他的收藏。

A brittle gray crystalline element that is a semiconducting metalloid used in transistors; occurs in germanite and argyrodite.

一种易碎的灰色晶体元素，具半导体特性的非金属，用于晶体管中，存在于锗石和硫银锗矿中。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。