drill string fatigue是什么意思

网络释义

用法例句

Research on Fatigue Property of Annular Specimen of ABS/SBS under Different Stress by Extrapolation Method;

不同应力条件下环状ABS/SBS疲劳性比较及外推法求出疲劳极限

Fracture Damage Behavior of Wood/Plastics Composite under Mutual Action of Fatigue and Creep;

疲劳/蠕变交互作用下塑木复合材料的断裂损伤

Progressive fatigue damage analysis method of laminated composites;

复合材料层合板疲劳逐渐累积损伤寿命预测方法

It is an effective method and measure to improve the whole results of training,to delay the tiredness,promote the recov.

运用运动训练学、运动生理学、运动心理学理论 ,并结合多年训练实践对少年跳高运动员的疲劳特点及产生疲劳的主要原因进行分析 ,提出了在训练中要合理地安排练习的量和强度 ,注意在运动员的全面训练的基础上突出爆发力和弹跳训练 ,把各种练习有机合理组合与搭配是提高跳高训练整体效果、延缓疲劳、促进机体恢复的有效训练手段和措施。

This paper theoretically analyzes the relations between tiredness and nutrition, also discusses the tiredness of the athletes, its prevention and the nutrition supply.

从理论上分析了人的机体疲劳与其营养的关系 。

Target of action function and weary were determined on 42 textile trainee in this paper.

对 42名纺织实习学生的行为功能与疲劳的某些指标进行测试 ,结果表明 ,各项指标作业后与作业前比较均有显著差异 ,而噪声组与对照组 31人工后各项指

Weary is one kind of toxicant phenomenon which in the cell the chemical change derivation causes.

疲劳是细胞内化学变化衍生导致的一种中毒现象。

Modern society s rhythm of life is more anxious,and weary reason to be also complex.

现代社会的生活节奏较为紧张,造成疲劳的原因也较为复杂。

Study on Weary Petroleum Drill Post Corrosion Loses Efficacy Mechanism and Prevention and Cure Measure;

石油钻柱疲劳腐蚀失效机理及防治措施研究

Evaluation and Forecast of Lengthwise Vibration Fatigue Intensity of Deep Well Drillstring;

深井钻柱纵向振动疲劳强度评估与预测

Analysis on mechanics and fatigue reliability of casing string during casing drilling

套管钻井中套管柱疲劳可靠性及相关力学特性研究

Bardine process

钻杆消除疲劳应力的方法

Research on wave-loading fatigue of drilling riser in ultra-deep water drilling

超深水钻井系统隔水管波致疲劳研究

A study of the multiaxial fatigue test of casing drilling and its reliability

套管钻井多轴疲劳试验与可靠性研究

Research on Fatigue Invalidation of Helical Outer Spring for Type K2 Bogie;

K2转向架圆柱外弹簧疲劳失效研究

A discussion on the cylindrical gears fatigue life and reliability;

圆柱齿轮的疲劳寿命及其可靠性探讨

Analysis of Sucker Rod & String Fatigue Failure on Heat Treatment Factor

抽油杆柱疲劳失效的热处理因素分析

Mechanical Performance and Fatigue Failure of Bottom Hole Assembly;

下部钻具组合力学特性分析及疲劳失效研究

Study on Influencing Factors of S135 Drill Pipe Steel Oxygen Corrosion and Corrosion Fatigue;

S135钻杆钢氧腐蚀和腐蚀疲劳影响因素的研究

The Methods Research of Drill Stem Component Service Life Estimating and Management Program System Developing;

钻具疲劳寿命确定方法及其管理软件开发

SPECTRAL-BASED FATIGUE ANALYSIS FOR TYPICAL JOINT OF DEEPWATER SEMI-SUBMERSIBLE PLATFORM

深水半潜式钻井平台典型节点谱疲劳分析

Experimental study on influence of material property on corrosion fatigue life of drill pipes

材料性能对钻杆腐蚀疲劳寿命影响的试验研究

The endurance crack is apt to be produced in collar thread during drilling, which eventually results in the connection failure.

在钻井过程中,钻铤螺纹容易产生疲劳裂纹,最终导致连接失效。

The Assess on Safety Life、Durability and Damage Tolerance of Main Gear Strut Cylinder;

主起支柱外筒疲劳耐久性及损伤容限评估

The experimental study of fatigue behavior about the steel frame's reduced beam section joint

钢框架梁柱狗骨式节点疲劳性能试验研究

Effect of Stress Ratio on Fatigue Crack Growth Behavior of J55 Drilling Casing Steel

应力比对套管钻井用J55钢疲劳裂纹扩展行为的影响