喷砂法

The stress states of the ceramic nozzles with different entrance angle in the sand blasting process are analyzed with finite element method .

运用有限元法分析了不同入口锥角的陶瓷喷砂嘴冲蚀过程中的应力状态。

Objective To observe the effect of dental polished surface about extrinsic stain redeposition after ultrasonic scaling and sandblasting respectively.

目的：观察超声洁治及喷砂法去除色素后，牙齿表面抛光对牙外源性色素再沉着的影响。

Determination of the hardness of the abrasive methods are more commonly used hand-cone method, mechanical cone method, Determination of Rockwell Hardness Tester and blasting method sclerometer.

测定磨具硬度的方法，较常用的有手锥法、机械锥法、洛氏硬度计测定法和喷砂硬度计测定法。

If using humidly hardener, the surface can be humid, but there should not be any panice. b the surface should be fastness, compact and smooth, without any sand streak, floppy shell, crack, comb,bug holes. Using light blasting spray to clean the unevenness and incompact raffle, and getting the appropriate roughness, filling the crack with HF61-30 mixed with fine sand. C the surface must be clean, and have no oil stain.

如采用湿固化涂装，则表面可潮湿但不能有浮水。b水泥表面应坚固、密实、平整，不能有起砂、起壳、裂缝和蜂窝麻面等现象，可采用轻喷砂法除去水泥面上的不平整和不结实的杂物，并使其具有一定的粗糙度，对裂缝可使用HF61-30添加适量细砂填补。c表面必须清洁，须除去表面油污。

Practice of advance grouting of pump house in Hexi Gold Mine;2. The method of pipe anchor of advance grouting is adopted to avoid flowing sond and piping It argues the mechanism of advance grouting in waterproof and reinforcement.

本文介绍了在基坑喷锚支护工程中，采用锚管预注浆法对基坑边坡进行超前支护，防止流砂及管涌，并对预注浆法的止水及加固机理进行了探讨，分析了浆液在砂土层中的扩散及胶凝等过程，通过土方开挖验证了注浆效果，使喷锚支护能够顺利进行。

The equipment and technology of the high-power twice atomizing arc spray in steel bridge anti-corrosion is investigated,owing to the shorter service life-span,the more frequency maintenance and the higher maintenance expense for steel bridge tar-paved layer.

设计拉法尔一次和扁平扇形二次喷嘴的二次电弧喷涂设备，采用无尘自动喷砂、电弧喷锌和喷涂粘结型封闭剂工艺的防腐蚀工艺技术，制造自动喷涂施工工装对钢桥面进行长效防腐蚀施工，为提高路面铺装层使用寿命提供保障

Guangzhou Rubber Hose Factory main products are: enhance the type of high-pressure hose steel wire, fiber-type series wrapped around pipes, to attract and scheduling category suction hose type, transmission type of hose, all kinds of flange with the first row of the large-diameter suction hose, aircraft refueling tube, refueling hose, metallurgical industry-specific management, oil drilling pipe, gas hose, steam hose, sand blasting hose and all kinds of hose assembly.

广州胶管厂主要产品有：钢丝增强类高压胶管、纤维编缠类胶管、吸引类及排吸类胶管、输送类胶管、各种带法兰头的大口径排吸胶管、飞机加油管、加油机胶管、冶金行业专用管、石油钻探管、煤气胶管、蒸汽胶管、喷砂胶管及各类胶管总成。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。