反应本身也在纳米管内部发生。这种中空的纳米管只有20纳米厚的薄壁，所以具有巨大的内表面积。
The reaction itself also takes place inside the nanotubes, which are hollow and have a large internal surface area thanks to their thin 20-nanometer-thick walls.
最后分别分析了材料性质、截面长宽比、管长和壁厚对最终变形模式的影响。
Moreover, the influences of material property, section properties, tube length and thickness to ultimate deformation modes are studied respectively.
将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
提出的管坯壁厚精度概念极其控制方法具有普遍性，对于其它薄壁筒形件的制造工艺具有参考作用。
The introduction of the concept of bellows wall thickness accuracy has the universal significance and reference value for manufacturing technology of other thin wall tube like products.
结节状小叶间隔增厚可见于癌性淋巴管炎、结节病和硅肺。
Nodular thickening of interlobular septa can be seen in lymphangitic carcinomatosis, sarcoidosis, and silicosis.
此例未见一般在淋巴管转移癌常见的小叶间隔增厚。
Interlobular septal thickening, common with lymphangitic spread of carcinoma is not seen in this case.
诊断：右肺癌、癌性淋巴管炎，并小叶间隔增厚。
Diagnosis: Lymphangitic spread of carcinoma, right hilar bronchogenic carcinoma, with interlobular septal thickening.
还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。
Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.
针对45钢冷拔厚壁管存在内表面横裂纹问题，分析了其产生的原因。
The causes of inner transversal crack of cold-draw heavy wall pipe of 45 steel were analyzed.
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.
全位置自动焊接技术的特点是，焊丝可以连续送进，焊丝熔敷速度快，焊接质量较高，尤其适用于大口径、厚壁管的焊接。
This welding process, with continuous welding wire feeding, fast deposit speed and quality welding pass, is especially suitable for long distance pipeline with large diameter and thick wall.
然而，在结节病和煤尘肺，间隔增厚常较淋巴管转移癌轻。
However, in sarcoidosis and coal worker's pneumoconiosis, septal thickening is usually less extensive than that seen in patients with lymphatic spread of tumor.
分析了钢管在张力减径过程中产生管端增厚的原因，阐述了切头端控制(c.e.c)的原理、方法，并就其关键问题进行了探讨。
The reason of thickness of pipe end increasing in tension reducing is analyzed. The principle and method of cutting end control (CEC) are introduced. The key problems are discussed.
介绍了管端减壁控制时发生壁厚不均的原因及其防止措施和管端减壁的控制效果。
The causes of the wall eccentricity and its countermeasures as well as the effects of the end thinning control are covered.
对厚壁管感应加热设备及热处理工艺进行了重新设计改造。
The induction heating equipment and heat treatment process of thick-wall pipe were reconstructed.
分别用延迟温度报警法和实时温度报警法计算了厚壁身管火炮的报警温度，并对这两种方法进行了比较。
The alert temperature of gun tube was calculated by method of real-time temperature and method of delay-time temperature and the two methods were compared.
对椭圆断面厚壁螺旋管进行了强化传热和流体阻力实验研究。
The heat transfer enhancement and pressure drop of spiral tube with oval cross section and thick wall were investigated.
焊缝位置和壁厚差异变化时，拼焊管各区域的应力状态保持不变。
Weld-seam position and thickness difference do not affect stress and strain states.
专业供应各种规格的不锈钢管，不锈钢方管，不锈钢无缝管，不锈钢镜面管，毛细管，厚壁管！
Our company specialize in various specifications of the stainless steel tube, stainless steel square tubes, stainless steel seamless tube, stainless steel mirror tube, capillary, thick wall pipe!
通过与已有文献的比较，得出的结论同时适用于内层管为薄壁管和厚壁管的情况。
The conclusions are applicable to the case where the inner tube is thin-walled or thick-walled in comparison with available literatures.
并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
图示肾小球，其中的毛细血管袢中呈明显的粉红色、管腔增厚，以至于毛细血管腔难以看见。
Here is a glomerulus in which the capillary loops are markedly pink and thickened such that capillary lumens are hard to see.
焊管机组在线矫平机是焊管生产线的主要设备之一，为了确保高强度、大直径、厚壁焊管生产的顺利进行，矫平机的性能十分重要。
Online Flattener is main equipment of welded pipe unit, the property of Flattener is very important to ensure production of welded pipe with larger wall thickness going well.
CT主要表现有软组织肿块、十二指肠肠壁局限性增厚和共同管、胆总管和胰管扩张等。
Ct features included masses of soft tissue, localized thickening of duodenal wall and expansion of common duct, common bile duct and pancreatic duct.
在单独使用或用于厚壁管焊接时，应选用低氢耐热钢焊条。
In a separate use or for the thick-walled tube welding, heat-resistant steel should use low hydrogen electrodes.
并介绍了与单半径孔型和双半径孔型比较，W成型的优点及在厚壁管生产中的应用实例。
Then, they introduced the advantages of W-bend forming and its application in thick-walled tube production.
特殊设计可以拥有稳定的直径尺寸和圆整度，可以适合生产厚壁管的需要。
And the design can ensure the stability of diameter and roundness when producing the pipe with thick wall.
本文用双周数表计算了铜合金厚壁管空拔后的壁厚。
The wall thickness of thick wall copper tube drawn without plug is calculated by using Zhou-Zhou formula.
本文用双周数表计算了铜合金厚壁管空拔后的壁厚。
The wall thickness of thick wall copper tube drawn without plug is calculated by using Zhou-Zhou formula.
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