ring hole

Experimental Research and Application of Water Jet Technology in Multi-ring Hole Reaming

水射流技术在多环扩孔中的应用及试验研究

The utility model discloses a packing paper box with high-strength eye ring hole in the package field.

本实用新型公开了包装领域中一种提手孔强度高的包装纸箱。

Eyelet: To prevent tearing small metal flanged ring was clenched into a punched hole for reinforcement.

鸡眼: 用来紧压穿孔的细小绲边金属环.它的加强作用防止撕裂.

A metal ring designed to reinforce such a hole ; a grommet.

一种防止螺帽脱落的垫圈.

During weak or moderate storms ( Kp 5), for ions with energy higher than 40 keV a flux hole is presented at the dawn-side, indicating the convective electric field is not strong enough to inject such ions to ring current region.

弱磁扰或中等磁扰（Kp5）时较高能量的（40keV）离子的通量在在晨侧出现通量空洞，说明此时的对流电场不足以将该能量范围的离子注入到环电流区。

Seyfert galaxies are energetic because they have a central black hole surrounded by a ring gas.

赛非星系能量巨大,因为在其中心有-一黑洞,黑洞周围则环绕着环状星云.

The size of the ring hole can be simply changed to agilely meet the requirement of the different measurement range;

提出的环状约束可以简单改变环孔大小灵活适应不同量程的需要；

Based on the working principle of non-contact capacitance sensor, influence of the edge effect of gauge head and width of protecting ring are studied, gauge head for measuring blind hole is designed to sight the centers of two adjacent holes.

基于非接触式电容测孔传感器的基本原理，研究了电容测头的电场边缘效应的影响及保护环的宽度选择，设计了电容瞄准测孔传感器的测头用于对相邻小孔的中心进行瞄准定位；

Experimental Parameters of Fabric Handle Test for Ring-Hole Method

环孔法测试织物手感的因素及测试参数的优选

First, we changed the ring-electrode structure of the tradition VCSEL into the "double ring cruciform" electrode structure, to make the new electrode access to the inside of the light-hole, so that improved the uniform injection current.

首先，我们将传统的圆环电极结构VCSEL改良双圆环十字型电极结构，使电极接入到出光孔内部，从而使得VCSEL的电流注入均匀。

Intracapsular lens extraction and capsular tension ring implantation during phacoemulsification may lead to traction of retinal detachment, retina hole or even gaint tear.

晶状体囊内摘除以及在晶体囊袋内安置张力环等可引起对视网膜的牵引，而可致视网膜裂孔，甚至巨大裂孔。

Medium pressure Metal ring ( M type) conduct the pressure into the pipe though the hole of path and groove to increase the reaction strength of metal ring.

中压型金属密封环（M型）将压力径侧孔或槽引入管内，以便加大密封环之反应力。