thread off

Finite Element Method Simulation of Thread Off Failure on Casing Thread Connection

套管接头螺纹滑脱失效有限元模拟

Aimed at the problems that sucker rods of the ground drive screw pump break and collars thread off frequently, the frequency conversion timing equipment of screw pump wells and the automatic control system are developed.

针对地面驱动螺杆泵抽油杆断、脱频繁，单井提液调参难以控制等问题，开发了螺杆泵井的变频调速装置及自动控制系统。

The distribution of the stress in casing connection, the value of make-up torque and thread off load are studied when the casing connection is assembled or loaded with internal pressure and axial tension, which are very important for gluing, leakage and thread off failure analysis.

套管接头在装配、内压和拉伸载荷工况条件作用下，沿接头的应力分布规律、上扣扭矩和滑脱力的大小，对分析套管接头粘扣、泄漏和滑脱的失效有重要参考价值。

He picked a thread off her dress.

他从她的衣服上摘去一股线头.

The failure of reinforced plastic fiberglass sucker rod is classified into bud and thread off, and the break of the rod body is the common failure pattern.

玻璃钢抽油杆的失效类型分为断杆和脱扣两种，杆体的劈断和劈散是其最常见的失效形式。

We think this thread has broken off.

我们认为这根线断开了.

The main failure form of V-round-thread casing, that is, the mechanism of thread connection slipping off, is analyzed in this paper.

本文对V形圆扣套管联接强度失效的主要形式，即套管联接螺纹滑扣（或滑脱）失效的机理进行了分析研究。

When you sew up to this end, fasten off the thread.

当你缝到这头时, 把线打个结.

A thread , wire , or cord used in surgery to close vessels or tie off ducts.

他们不知道该怎样为导管插入手术支付费用.

Determination of resistance to leak off of tubing and casing threads and selection of thread type

论油、套管螺纹泄漏抗力的确定和螺纹形式的选择

Research and application of the forging thread off prevention hollow sucker rod used in the screw pump

镦锻式螺杆泵防脱空心抽油杆的研制与应用

I sit down, thread a needle, snip off an old button.

我坐下来，穿好针，剪下一枚旧纽扣。

Then come back to the neck and tie it to the other end of the gold thread that tied off the neck.

然后绕回到脖子上，与另一端系紧。

Sphere of inertia Thread Off and Thread Compound Performance Analysis for the Spheric Joint of Deep Sea Bed Mining Lifting System

扬矿球铰接头的螺纹滑脱及脂密封性能分析

The extraction of a root of a quantity. We think this thread has broken off.

开方，求一个数的方根我们认为这根线断开了。

With the increase of fouling deposition thickness, the field synergy angle increased, proved that the heat exchange performance of the thread spiral pipes fall off.

随着污垢沉积厚度的增加，场协同角在不断增大，螺纹螺旋管的换热性能在下降。

Rectangle-shape side gate and the gear-rack taking off thread mechanism were used.

采用矩形侧浇口、齿轮齿条脱螺纹机构.

The first position of thread off is coupling end, and that position is tallied with the position during actual operation.

滑脱的开始位置在接箍的端部.模拟结果与实际情况相吻合。

Fasten the thread off with a knot.

打个结把线固定好。

Apparatus for centralization and thread off prevention of rod string in screw pump holes

螺杆泵杆柱扶正防脱扣装置及其应用

You can also enable HTTP request logging dynamically by entering "tell http debug thread on| off" at the Domino server console.

也可以通过在Domino服务器控制台输入“tell http debug thread on off”动态地启用HTTP请求日志记录。

and hasn't bothered to pick this thread off his jacket,

也懒得伸手替他拿掉外套上的线头

The tailor sniffed off the surplus thread of the coat after he finished it.

裁缝做完上衣后把多余的线剪去了.

The level of screw pump well being managed is more improved and that sucker rod break and collar thread off is delayed effectively, the exempt workover period is prolonged.

该技术的应用进一步提高了螺杆泵井的管理水平，有效的减缓了抽油杆的频繁断、脱问题，延长了检泵周期。

Sealing performance of the spheric joint for thread compound was analyzed with energy loss method, and thread off failure on spheric joint was analyzed by finite element method.

采用能量损失法分析了螺纹脂密封性能，并用有限元法分析了螺纹的滑脱失效。