孔

On the basis of sidetracking slim-hole reaming study, the slim-hole reaming tools which are suitable for different formations are developed, and they are further improved and perfected through field test,φ152.4 mm and φ 118 mm reaming tools are developed.

在研究侧钻井小井眼段扩孔技术的基础上，研制出适合不同地层的侧钻井扩孔工具。

There are two kinds of holes on sieves for separator.

本机所用的筛片有圆孔和长孔两种。

But the worse thermal and hydrothermal stabilities of mesoporous molecular sieves limited their application.

但是介孔分子筛的热稳定性低，限制了介孔分子筛的实际应用。

Screen printing: A printing method that uses a porous material as the stencil,Ink is manually or mechanically forced by means of a squeegee through the stencilled fabric or metal wire screen stretched over a frame.

网印：采用有孔的物料作镂空版印刷的方法。把布线物或金属丝织成的网，张于一个架上，印纹留空，用人手或机器操作胶刮，把墨从孔中强压穿过，完成印刷。

By using of in situ formed orifice technology, delivery orifice of MOP can be formed automatically during tableting and coating process, thus laser drilling machine can be cast aside. Although the ability to prepare delivery orifice by ISFOT for MOP has been recognized for years, there are still few reports about the study and application of such technology.

原位致孔技术可以使单层渗透泵制剂的释药孔在压片和包衣过程中自然形成，从而避免渗透泵制剂在生产过程中对激光打孔机的依赖，然而，自该技术问世以来，国内外却鲜有关于该技术的研究报道。

By using of in situ formed orifice technology, delivery orifice of MOP can be formed automatically during tableting and coating process, thus laser drilling machine can be cast aside.

原位致孔技术可以使单层渗透泵制剂的释药孔在压片和包衣过程中自然形成，从而避免渗透泵制剂在生产过程中对激光打孔机的依赖，然而，自该技术问世以来，国内外却鲜有关于该技术的研究报道。

This design main content designs the drilling machine jig, needs thecounter gear pumps on the end cover 2 M8 hole and 1 the holecarries on drills truncates the processing.

本设计的主要内容是设计钻床夹具，需要对齿轮泵端盖上的2个M8螺孔和1个的孔进行钻削加工。

AIM: To review the 10 kinds of macroporous resin＇ s absorption of total flavnoids to screen out the one which could separate the Baicalin, Baicalein, Wogonoside, Wogonin simultaneously.

目的：考察10种型号的大孔吸附树脂对黄芩总黄酮的吸附性，优选出分离黄芩苷、汉黄芩苷、黄芩素、汉黄芩素的大孔吸附树脂。

The results showed that the residual quantities of chloroform, acetone, and ethanol were 36.30ppm, 2.07ppm, and 25.17ppm, respectively.

致孔剂粒径、致孔剂用量、PLLA／β-TCP配比及成型压力对支架的性能都有重要影响。

It applies the air pressure collets,chuck or center to clamp the work-piece with table,and carries out the performance direct and indirect dividing,plate-slotting and various cam-curving.

利用主轴内大口径通孔，安装气动弹弹簧头，动力卡盘或顶尖，对转台装夹的工作进行辅助夹紧，实现等分的，不等分的连续的孔槽，曲面的加工，且达到较高的精度。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失