砂的

Mainly used for precision casting industry ceramsite sand (the Chinese name of it did the "Pearl of Sand""High Aluminum Sand," oil fracturing support, etc.) and used for refractories, abrasives industry white corundum, brown corundum, fused spinel, fused mullite, zirconium mullite, alumina hollow spheres, alumina powder, refractory cement and other products.

主要有用于精密铸造行业的陶粒砂（中文名称又做&宝珠砂&&高铝砂&石油压裂支撑剂等）和用于耐火材料、磨料磨具行业的白刚玉、棕刚玉、电熔尖晶石、电熔莫来石、锆莫来石、氧化铝空心球、氧化铝微粉、耐火水泥等产品。

We could provide different kinds of Cat litter according to the customer requirement, such as bentonite cat litter, silica gel cat litter and pine cat litter.

公司可以根据客户的不同需求，提供膨润土猫砂，水晶猫砂及松木猫砂一系列产品，远销欧美市场，受到客户的广泛好评和欢迎。

We could provide different kinds of Cat litter according to the customer requirement, such as bentonite cat litter, silica gel cat litter and pine cat litter. Our Cat litter enjoy a good market in America, Europe and Southeast Asia, receive warm welcome and good praise among our customers.

公司可以根据客户的不同需求，提供膨润土猫砂，水晶猫砂及松木猫砂一系列产品，远销欧美东南亚市场，受到客户的广泛好评和欢迎。

By using artificial neural networks , the model of nonlinear mapping relationships among casting modulus, chill thickness, sand layer variety and thickness, and cooling surface enlargement coefficient has been built, which can be added to conventional foundry technology CAD system to design indirect chill of steel castings.

建立了表示铸件模数、冷铁厚度、挂砂层种类、挂砂层厚度和冷却面积扩大系数间非线性映射关系的人工神经元网络模型，该模型可以补充到以往的铸造工艺CAD系统中，对铸钢件挂砂冷铁进行工艺设计。

The temperature fields of sand core for castings with thickness in 60, 30, 18 and 8 mm were simulated. The results show that the modified water glass sand has good knockout capability, and pouring experiment results also verify the simulated results.

用上述计算程序模拟计算了壁厚分别为60、30、18、8mm的铸件砂芯温度场分布，模拟结果表明改性水玻璃砂有好的出砂性，浇注实验证实了计算机模拟分析结果。

Now has advanced technology, excellent equipment, numerical control production line of the crankshaft 12; have the domestic advanced level modeling clay sand, resin sand molding and iron coated sand mold casting production lines, electric furnace, cupola furnace smelting double performance of a wide range of ductile iron 10,000 tons of castings foundry base base and heat treatment.

目前拥有技术先进、装备优良、数控化曲轴生产流水线12条；具有国内先进水平粘土砂造型、树脂砂造型及铁模覆砂铸造生产线，电炉、冲天炉双炉熔炼的多种高性能球墨铸铁的万吨铸件铸造基地和热处理基地。

PartⅡEffects of different surface treatments on microstructure of porcelain fused to electroformed copings and metal-ceramic interface Materials and Methods: Five electroformed copings were made in the size of 5 mm×5 mm, different surface treatments were taken respectively, including no treatment, 50μm Al_2O_3 sand blasting, 110μm Al_2O_3 sand blasting, preoxidation after 110μm Al_2O_3 sand blasting, gold bonder applying after 50μm Al_2O_3 sand blasting. Another two metal-ceramic specimens by electroforming were made in the size of 20 mm×5 mm.

第二部分不同表面处理对金沉积基底及金瓷界面显微结构的影响材料和方法：制作5mm×5mm大小的金沉积片5个，分别经以下处理：表面未处理，表面50μm、110μm Al_2O_3喷砂，110μm Al_2O_3喷砂+预氧化，110μm Al_2O_3喷砂+金黏结剂；另外制作金沉积烤瓷试件2个，扫描电镜下观察金沉积基底层和金瓷界面形貌，能谱仪进行元素扫描分析。

When towed fish is towed in the direction perpendicular with the lineation of hinge line of sand waves, the wave length and dipping angles, can be determined from the sonar image at nadir. Under the circumstance, whether the shape of the sand wave is symmetric or not can be shown and the main direction of sediment transportation can be pointed out.

依据相对大尺度的砂波，在拖鱼指向与砂波脊线成大角度斜交时，该波形可在拖鱼正下方影像显示，并且可以辨识该波长与坡倾角，以判定此砂波为对称波形，或非对称波形，来指示沉积物的净搬运方向。

And the laboratory test proves that the technique of high temperature artificial borehole wall can satisfy the needs of sand control in the field.

其中，在小直径筛管防砂技术中，防砂筛管和封隔器的设计是主要的；而通过室内试验证明，高温人工井壁完全能够满足现场防砂要求。

After abrasion of anti strapped bar pallet, drain plate, mud and sand are piled in Kelly bar and cause packing strapped bar, after drilling in thick mud sand, mud and sand have to be cleaned before storing Kelly bar (it is prohibited to drill in under this condition, but in fact, it always happened).

防带杆托盘、流水盘磨损后，泥砂积存在钻杆中引起塞物带杆，在稠泥砂中钻孔后，钻杆存放前要清除钻杆内的泥砂（这种情况下钻孔是不允许的，但实际钻孔中经常发生）。

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。