200mm

Study on Crystal Growth Parameters for φ 200mm Sapphire Single Crystal

φ200mm蓝宝石晶体生长工艺研究

Study on Growing Rate in Φ 200mm CZ Si Growth

Φ200mm太阳能用直拉硅单晶生长速率研究

Development of Φ 200mm Integral Wound Chamber-Nozzle for Solid Rocket Motor

固体发动机Φ200mm带喷管整体缠绕壳体的研制

The Development of φ 200mm Lightweight Quartz Mirror

φ200mm轻型石英反射镜的研制

Growth of φ 200mm CaF_2 Single Crystal

直径200毫米CaF2单晶体生长

The precipitation is between ll0 ~ 200mm in dry season ;

干季降水量在140～200mm之间；

Based on the international trend of IC industry , analyzing the development of φ 200mm wafer automatic prober in China and study its important technologies .

根据国内外半导体产业的发展趋势，分析了φ200mm全自动探针测试台在中国的发展及所需的相关技术。

The positioning accuracy required by the automatic sand-wheel slice cutting machine is 10um / 200mm .

自动砂轮划片机要求的定位精度为10μm/200mm，分配给机械系统的误差是7μm，机械零部件的公差都是依此进行设计的。

The optical stabilities of φ 200mm and φ 410mm of lightweight spherical quartz mirrors are studied .

研究了φ200mm及φ410mm轻型结构球面石英反射镜的光学稳定性。

Globes can be as tiny as 10mm and can reach 200mm for those who want a more detailed surface .

这里有直径10mm的微型星球，如果你想看清星球表面各种细节，在这里也能找到直径200mm的模型。

Steel mills using waste gas in combined cycle power project , steel mills use the nominal diameter ≥ 200mm of large control valve to control pressure of the mixed gas .

在钢厂的循环发电工程中，各钢厂利用公称直径d≥200mm的大型调节阀对混合煤气进行压力控制。

200mm × 1350mm slab caster in Jiuquan steel

酒钢220mm×1350mm板坯连铸机

The indexes of water consumption in the key period were ( 225mm / 200mm / 140mm / 100mm ) .

关键期耗水量指标（分别为225、200、140、100mm）；

Drive system needs have long stroke and sub-micron positioning precision for fabrication of binary optics elements which have character dimension 200mm × 200mm and line width 1 μ m.

要制作尺寸达200mm×200mm、最小线宽为1μm的二元光学元件，设备传动系统必须满足大行程、亚微米级定位精度的需求。

Axial slid speed is general 200mm / h. When coefficient of friction is in available range of 0.05-0.3 , skid speeds variation is over 10mm / h.

轴向打滑速度一般200mm／h，在摩擦系数0.05～0.3的可控范围内，打滑速度变化量达到10mm／h以上。

At the same time , the influence of three rainfalls that were 50mm / d , 100mm / d and 200mm / d on seepage field were first studied .

同时，首次考虑了大气降雨分别为日降雨量50mm/d、100mm/d、200mm/d三种雨型对细粒尾矿堆积坝渗流场的影响。

Then according as the design requests , calculate the parameters of lens , select the original configuration , and work out a 20 ~ 200mm zoom lens , study the aberration theory , present the design result .

然后根据设计要求确定了光学镜头的参数，选择了初始结构，并设计出20～200mm的可见光变焦镜头，研究了变焦距系统的像差理论，给出了设计结果。

It is proved from the practice that the machine can be used to satisfactorily produce ceramic - lined pipes of the core diameter between 50 ~ 200mm length between 100 ~ 2000mm .

实践证明，该机可成功地制备内径为50～200mm、长度在100～2000mm之间的中小型陶瓷内衬复合钢管。

By means of these principles , a 200mm × 200mm metal plat is used for comparting its theoretical and measured data . Very good results are obtained that verify the correctness of the principles .

最后通过200mm×200mm的金属平板理论值和测量值的比较，说明上述分析的正确性。

The wedge splitting specimens with maximum size 1200mm × 1200 × 200mm are utilized to systematically investigate the crack initiation , stable propagation and unstable failure of concrete by means of photoelastic coatings .

本文采用最大尺寸为1200mm×1200mm×200mm的楔入劈拉试件，利用光弹贴片法对混凝土预制缝的起裂、稳定扩展直至失稳破坏全过程进行了系统的研究。

The granular mould powder used for continually casting 200mm × 200mm billets with a drawing speed of 0.8 to 1.2m/min has been developed through careful selection of diverse raw material and laboratory tests .

在实验室研究的基础上，对保护渣各种原材料进行选择，研制出了断面为200mm×200mm，拉速为0.8～1.2m／min方坯连铸颗粒保护渣。

After two times of ageing of 200 ℃ high temperature and - 40 ℃ low temperature for two years , the RMS error of the φ 200mm lightweight quartz mirror has been tested by ZYGO Mark ⅳ interferometer .

φ200mm轻型石英反射镜经两次高温200℃，低温－40℃实验及两年时效研究，用ZYGOMarkⅣ干涉仪测量均方根误差及变化。

The results showed that , under the condition of the same influent and hydraulic loading of 200mm / d , single shale COD , TN and TP had the best removal effect ; the removal rates were 40 % , 88.9 % , and 87.5 % respectively ;

结果表明：在相同进水水质和水力负荷运行条件下，单一填料页岩COD、TN、TP去除效果最好，去除率最高分别可达40%、88.9%、87.5%；