孔的

The interconnections of pores and the large number ofmicropores on pore wall of HA/β-TCP biphasic bioceramics play an important roleon bone recolonization.

因此，如何制备具有良好孔连通性和微孔结构成为目前钙磷生物陶瓷研究的热点。

Reynolds number of impingement, inclined jet angle, the ratio of the jet distance to the diameter of the jet hole and the relative curvature (the ratio of the diameter of jet hole to the diameter of concave surface) were changed to study the rules of flow structures varying with these parameters. At the same time, the developing and disappearing phenomena of the induced vortex were analyzed.

通过改变冲击雷诺数、冲击角度、相对冲击间距（冲击间距和冲击孔直径之比）以及相对曲率（冲击孔直径同凹面靶板直径之比）等参数，分析了受限空间中，斜向冲击曲率表面后产生的涡系结构及其发展和变化规律。

The riprap mound layer of sea reclamation consists of block stones with the looseness of structure,big pore and influenced by the fluctuation of ocean tidal,which results in the collapse of driven cast-in-place pile of impact pore-forming.

填海抛石棱体层由块石组成，结构松散，孔隙较大，且受海潮涨落影响，在该地区进行灌注桩的冲击成孔，很容易塌孔。

The basic desing of self-aligning ball bearing has a cylindrical hole or a taper hole at some size.

这些轴承的外圈和内圈有一个环形槽和几个润滑孔，内圈则有润滑孔。

There are 3 kinds of design about self-aligning ball bearing :basic design's open type bearing,sealing bearing and open type bearing.

调心球轴承的基本设计带有一圆柱孔，或者在某些尺寸范围内带一圆锥孔(圆锥 1：12)。

In the preparation method, zirconium is mixed with benzenephosphonic acid according to the molar ratio of 1:2 to 1:4, and Alpha-zirconium phenyl phosphonate is produced by centrifugal washing after one to five days of crystallization under the temperature of 50 DEG C to 100 DEG C; deionized water is added in order to prepare Alpha-zirconium serosity, the solid content of which is 4 percent to 8 percent; the Alpha-zirconium serosity is granulated and dried by a rotary spray dryer, the feeding speed of the Alpha-zirconium serosity imported into an atomizer is controlled between 20ml/min and 80ml/min, and the temperature of a hot air inlet is controlled between 120 DEG C and 200 DEG C.

本发明涉及一种大比孔容微球α-苯膦酸锆及其制备方法，其颗粒尺寸为10～100μm，比孔容为0.908cc/g，比表面积为125.8m 2 /g；其制备方法是将锆和苯膦酸以摩尔比1∶2～1∶4混合，在50～100℃温度条件下晶化1～5天，离心洗涤得到α-苯膦酸锆；加入去离子水配制α-苯膦酸锆浆液，其固含量为4-8％；将α-苯膦酸锆浆液用旋转式喷雾干燥器进行造粒、干燥，控制α-苯膦酸锆浆液输入雾化器的进料速度为20～80ml/min，控制热风进风口温度为120～200℃；该方法具有操作简单、合成条件温和，对环境污染小等特点，该材料应用于催化、催化剂载体、吸附、离子交换等方面。

Setscrew with access hole in bottom of housing. Move

螺钉孔与壳体底部的孔成一直线，转动主

In this paper, the principle of controlled blasting is studied firstly; then a practical experiment about the long hole standing shot controlled blasting technology is performed and some blasting parameters used in the loose blasting are obtained.

首先研究了高岭土工作面松动爆破原理，并进行了工作面现场深孔松动控制爆破技术的试验研究，获得了该矿区高岭土矿深孔松动爆破参数。

In order to correctiy business card printing and membership card making ink pore-shrinkproof, following a brief introduction to various types of shrinkproof pore-choice.

为了正确选用制卡和会员卡制作油墨的防缩孔剂，下面简介各类防缩孔剂选择。

As a kind of non siliceous mesoporous material, mesoporous metal oxides have potential application in industrial catalysis, photoelectronic, solar cell and so on.

作为一种非硅基介孔材料，介孔金属氧化物在工业催化、光电领域及太阳能电池等领域有着潜在的应用价值。

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。