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The specimen laser cutting experiments show that it is feasible to cut thin quartz glass plates pricisely with laser cutting technique with accuracy of better than 20μm and central symmetry of less than 3m.

对石英玻璃薄板的激光精密切割进行了实验验证,实验结果表明,激光精密切割技术能够较好地运用于石英玻璃薄板的精密切割加工中,其加工精度优于20μm、中心对称度小于3μm。

The increased expressions of the three cytokines in chrysotile group were stronger and persisted longer than in silica group.

结果 石棉和石英均可引起这三种细胞因子的表达增加,但石棉诱导的细胞因子表达比石英更强、更持久。

In this paper, the relationship between volume of cell and temperature for quartz and cristobalite was analyzed.

建立了石英、方石英晶体的介电常数和温度之间的规律,并且发现在从α-β转变过程中,介电常数相关参数都显著变小。

The irregular stones with white color in glass B are cristobalite and tridymnite (SiO2),which are the crystalline of molten glass itself.

玻璃B中的结石主要为方石英和磷石英(SiO2)晶体,白色,形状不规则,晶粒小,为玻璃熔体本身的析晶。

With over 225 production plants on five continents, Our Client is the undoubted world leader in the production of four industrial minerals: Silica sand and -flours, Cristobalite, Nepheline Syenite and Ball Clay.

在5大洲拥有超过225个生产基地,我们的客户在4种工业原料领域拥有无可置疑的领先地位:石英砂、粉,方石英,霞石,球粘土。

In the present paper,current research results on the crystallization behavior of cristobalite in silica with different morphologiesand different silica matrix composites and different opinions on the mechanism of the crystallization behavior were reviewed.

方石英由高温冷却时,在大约267oC附近会发生尽相到a一相的二级相变。在这个过程中,方石英热膨胀系数会突然下降,同时产生约2.8%的体积变化效应队2}。

The new technique determines the absorbed intensity instead of the absorbance as conventionaly was. The absorbed intensity is measured for a capillary cell (i. d. 50μm) and a decussate optical super-thin cell (40μm) for serial KMnO~4 solutions.

在内径50μm的石英毛细管超薄池以及由石英光导纤维构成的十字交叉超薄光学吸收池上,分别测量了系列高锰酸钾溶液吸收光强。

The samples studied were taken from quartz in gold_rich quartz veins at various levels, and the fluid inclusion Rb_Sr isochronal ages are (135±3) Ma.

中文摘要:在系统研究墨江金矿床地质事件的基础上,以富金石英脉中的石英流体包裹体为测定对象,获得Rb_Sr等时线年龄为(135±3) Ma。

At last, a theoretical analysis of mechanical dissipation of an electroded quartz resonator is given and the ANSYS is used to analyze the vibration characters of a quartz crystal microbalance.

最后,给出了石英微天平板体和镀膜的能量耗散表达式,并用商用软件ANSYS分析了石英微天平的振动特性。

Lianyungang Fudong are you lighting Electrical Appliance Co., Ltd. is a transparent quartz glass tube, one of the major manufacturers, but also the nation's largest private manufacturer of quartz glass products.

连云港福东正佑照明电器有限公司是国内透明石英玻璃管的主要生产厂家之一,也是国内最大的民营石英玻璃产品生产企业。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。