本文介绍了全尺寸管试样测定含裂纹管道结构J_R阻力曲线的测试技术。
The experimental technology for determining JR curves by full-scale pipe specimens was introduced.
CFD模拟结果表明，直管试样入口处局部流速比平均流速高约24%，表面剪切力大，与实验结果一致。
CFD simulation results show that the entrance velocity is about 24% higher than the local flow velocity, resulting into large surface shear force, is consistent with the experimental results.
在复合力试验中，通过建立合理的力学模型，利用测量水平位移量计算管样角度变化，解决了试样角度无法直接测量的问题。
By setting up the rational mechanical model and measuring the horizontal displacement to calculate the sample Angle in composite force test, the problems of the sample Angle measurement can be solved.
根据美国石油学会API标准规定，采用管体取样压平试样的屈服强度表征输油管体屈服强度。
API regulates that the yield strength of flatten specimen from pipe body is used to characterized the yield strength of oil pipeline body.
利用扫描电镜对多轴比例和非比例加载下的薄壁管多轴疲劳试样的断口表面进行扫描观测分析。
The fatigue fracture surfaces of multiaxial fatigue specimens subjected to proportional and non-proportional multiaxial loadings were observed and analyzed by using the scan electron microscope.
根据辐照监督管的特定形状，设计了半圆形非标准拉伸试样。
According to the special shape of the irradiation monitoring pipe, the semicircle shaped tensile samples are designed.
根据辐照监督管的特定形状，设计了半圆形非标准拉伸试样。
According to the special shape of the irradiation monitoring pipe, the semicircle-shaped tensile samples are designed.
研究表明，多轴疲劳裂纹主要是沿最大剪切平面或垂直于管形试样的轴线方向扩展。
The results showed that most multiaxial fatigue cracks were initiated and propagated along the direction of maximum shear plane or on the direction perpendicular to the tubular specimen's axis.
用塔形试样对比研究了水平连铸管坯和轧制管坯穿孔时顶头前压缩率对孔腔形成的影响。
The effect by pre-plug compression rate on formation of the cavity was investigated in a comparative method with step-down test samples of HCC billet and rolled bloom respectively.
本文对某电厂锅炉汽包损坏短管的现场修复焊接工艺以局部试样全条件模拟方法进行了焊接试验分析及其安全性论证。
This study made a localized full-condition simulation test and safety estimation for site repairing welding of a damaged boiler vessel tube.
试样的磨损深度主要与热处理前后试样的表面硬度变化以及试样表面的纳米管径有关。
Wear depth of specimens were mainly related with change of hardness fore-and-aft heat treatment and nanotube diameters of specimen surfaces.
方法：选择简单易得的硅胶管、一次性输液管、泡沫塑料板等材料，分别连接成各(NNB)通路，使液体试样富集成固体。
Methods: With some simple materials such as silica gel conduit, non-returnable infusion-tube, foamed plastic board bored etc. Some the NNB thoroughfares are formed respectively.
通过管节点模型试样的低温和常温疲劳试验，得出了低温环境对试样疲劳s - N曲线的影响系数。
The fatigue performances of welded specimen of tubular joints are tested at low temperature and normal temperature.
管式炉中燃烧实验表明，试样中硫析出率随温度的升高而增大，而污泥水煤浆比纯水煤浆具有更好的固硫效果。
Experiments in the tube furnace indicated that S-CWS had greater sulfur retention than CWS, and the sulfur precipitation rate increased with temperature rising.
在不同碳纳米管浓度的镀液中制备了复合镀层的试样，用X射线衍射法测定了各复合镀层的内应力。
Several composite coating samples were prepared in different concentration of carbon nano-tubes. The internal stress of composite coating was measured by X-ray diffraction method.
在不同碳纳米管浓度的镀液中制备了复合镀层的试样，用X射线衍射法测定了各复合镀层的内应力。
Several composite coating samples were prepared in different concentration of carbon nano-tubes. The internal stress of composite coating was measured by X-ray diffraction method.
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