该计算式对精确控制成品管壁厚精度具有实际意义。
The said calculation formula is useful for accurate control of the final tube wall thickness tolerance.
孔型修改后，钢管壁厚精度降低，力能参数有所升高。
After rolled in changed groove, wall thickness uniformity decreases, and rolling pressure and electric current increase.
下井仪器按照电磁学原理或者机械原理测量套管壁厚。
A 5tool measures the casing-wall thickness either electromagnetically or mechanically.
试件参数包括钢管壁厚、混凝土强度、剪跨比和轴压比。
Wall thickness of steel tube, concrete strength, shear-span ratio and axial force ratio were considered as test parameters.
分析了套管壁厚及岩层特性等主要因素对套管强度的影响。
Then the effect of the main factors on the strength of the casing, such as the thickness of the casing wall and the property of the stratum, was analyzed.
建立工艺过程自动控制系统提高周期轧管机轧制的钢管壁厚精度。
Wall-thickness accuracy of steel tubes rolled on a pilger mill can be improved with the automatic process control system established.
管壁材料的折射率越大，测量体的位置与管壁厚趋时位移差也越大。
If the refractive index is larger, the translocation difference of the measurement volume is larger.
对于不规则热应力作用下的身管弯曲重点分析了身管壁厚差的作用。
For irregularly hot stress acting tube curve, it stressfully analyzes effect of body tube wall thickness difference.
部分填充管对空铝管的弯曲载荷相对提高量随铝管壁厚减小而增大。
The relatively increasing value of load increases with the decrease of wall thickness of aluminum tube.
增加套管壁厚的方法已在陇东油区部分调整井及更新井中得到了应用。
The method of thickening the casing wall has been applied in some adjustment wells and renewed wells in Longdong unit.
在大倾角条件下，顶头轴向力对毛管壁厚及其均匀性的影响都很显著。
The effects of the axial force of the point bar, both on the wall thickness of the pierced shell and its uniformity, are all notable under high cross angles.
另一方面由于油管内流动天然气的冲蚀作用，油管壁厚变薄强度下降。
On the other hand, natural gas pipelines continue to be corrosion with the gas flow in pipelines.
定量分析了穿孔轧制力和顶头轴向力对毛管壁厚及其横向均匀性的影响。
The influences of the separating force and axial force of the piercing point bar on the wall thickness of the shell pierced, and on its lateral uniformity are analyzed quantitatively.
结果表明，钢管壁厚和运动速率是影响钢管温升和径向温差的主要因素。
With the analysis of the model, it was shown that the considerable factors are tube thickness and furnace rate.
采用三种不同穿轧锥形状的顶头，通过二次穿孔试验研究了毛管壁厚变化。
Tests are made with three different piercing plug cone shapes to identify shell gauge changes during secondary piercing process.
高压输送管路中管壁厚的计算和确定是高压管路设计中的一个十分重要的问题。
The calculation of steel tubes thickness is an important problem in the design of the high-pressure pipage.
高压输送管路中管壁厚的计算和确定是高压管路设计中的一个十分重要的问题。
A theoretic gist for the selection of the steel tubes thickness in the design of high-pressure pipage is presented in this paper.
比较了三个计算空拔管壁厚变化数学模型的精度，阐述了评定模型精度的方法。
The article compares the accuracy among three mathematical models for calculating the change of W. t during sink drawing and explains the method of assessing models accuracy.
由于乙烯爆炸性分解，在反应管壁厚上形成极陡的温度梯度和幅度很大的热应力。
The explosive decomposability of ethylene will lead to much large temperature gradient and great range thermal stresses response on thick wall of reactor.
推导出限制弯管壁厚变化量的许用最小弯曲半径公式，经试验验证具有一定的实用价值。
At last, the formulation of allowable minimum bending radius limiting the change of the tube-wall thickness is derived, and proved to be of practical value.
分析结果表明：天然裂缝长度和倾角对套损有较大影响，但增加套管壁厚不能缓解套损。
The results show that the natural fracture length and dip angle have great influence on the casing failure, and the increase of casing wall thickness could not reduce casing failure.
阐述了穿孔毛管产生同管壁厚差的原因，研究了穿孔和轧管工艺对钢管同管壁厚差的影响。
The causes producing wall thickness difference in a same pierced shell are expounded and the influences of piercing, rolling and mandrel drawing on the difference are studied.
本文介绍了几种加固方法，如内置加劲环加固、环口板加固、内置插板加固和主管壁厚加固等。
Several strengthening methods, including stiffened internal ring reinforcement, collar plate reinforcement, internal plate reinforcement and chord thickness reinforcement, are introduced here.
通过大量管材弯曲试验，分析了沿弯曲线的切向和管壁厚方向的应力应变状态，给出弯管内、外侧管壁厚变化量和切向应变的近似计算公式。
Based on lots of tube bending experiments, the stress-strain state along the tangential direction of bending line and the direction of the wall thickness is analyzed.
结果显示立管顶部预张力、管外流速分布、立管外径对疲劳损伤的影响非常明显，而管内流体密度和立管壁厚因其变化范围有限，对疲劳损伤的影响没有上述三个参数显著。
The effects of various factors, such as top pre-tension, inner fluid density, current velocity profile, outer diameter and riser wall thickness on VIV-induced fatigue damage in the …
文章简要介绍了作为哈龙替代品的SQ灭火剂的特点，用实验方法研究了反应器形状、反应器壁厚及导流管壁厚对SQ灭火剂燃速的影响规律，并分析了产生这种影响的原因。
Effects of wall thickness of duct and reactor as well as reactor's shape on combustion rate of SQ fire extinguishing agent are studied by experiments.
当用增加筒体壁厚或者接管壁厚的方法不能有效地降低带长矩形接管受压圆筒体的应力强度时，提出了采用加强筋的方法，此措施可达到显著降低矩形接管部位应力水平的目的。
Structural reinforcement measures were proposed in order to reduce the stress level of the joint which can not be effectively reduced by increasing the thickness of the cylinder or tube wall.
管壁只有约12个原子那么厚，并且向草一样生长，它们之间的空隙只能容纳带电粒子。
The walls of the tubes are about 12 atoms thick, and they grow, like leaves of grass, with just enough space between them to provide docking stations for charged particles.
血管壁增厚及血液循环变得缓慢，并慢慢使重要器官不能得到足够的氧气和养分造成的各种疾病，并最终死亡。
The blood thickens and blood circulation becomes sluggish, and slowly vital organs cannot receive sufficient oxygen and nutrients causing all kinds of diseases and eventual death.
血管壁增厚及血液循环变得缓慢，并慢慢使重要器官不能得到足够的氧气和养分造成的各种疾病，并最终死亡。
The blood thickens and blood circulation becomes sluggish, and slowly vital organs cannot receive sufficient oxygen and nutrients causing all kinds of diseases and eventual death.
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