internal surface

The general occurrence and distribution of internal surface hollow and hole defect of hot continuous rolled seamless tube are introduced.

介绍了热连轧无缝钢管内表面凹坑、孔洞缺陷的基本形式和分布规律。

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2) the total internal surface area of the alveoli ( S_A) 4232.4 ± 702. gcm~ 2;

2）双侧肺泡总内表面积（Sa）4232.4±702.9cm~2；

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These can have a porous structure with a large internal surface area.

超细粉体也是个好例子,这些材料具有内表面积很大的多孔结构.

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4) the internal surface area of the alveolar capillary bed ( S_C) was 3525.05 ± 569.91cm~ 2;

4）肺泡毛细血管床内表面积（Sc）：3525.05±569.91cm~2/左右肺；

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The wall thickness of hollow fiber membrane was decreased at constant outer diameter and the internal surface was increased and became more compact with the increase of extension ratio in coagulation bath.

随着凝固浴拉伸率的提高，中空纤维膜在外径不变的情况下壁厚减小，内表面积增加；纤维变薄而且更为致密。

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The specific internal surface changed in the opposite tendency;

内比表面以相反的趋势变化；

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One gram of zeolite has an internal surface of about 500 square meters.

一克沸石具有大约500平方米的内部表面.

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The test of rolling the differential thick lead sheet shows the internal surface hollow and hole defect is resulted from uneven deformation of rolled piece. The basic way to avoid the two defects is put forward.

通过轧制差厚铅板实验说明规律性的热连轧无缝钢管内表面凹坑、孔洞缺陷的形成主要是由于轧件不均匀变形所致，并提出避免这两种缺陷出现的基本思路。

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Mathematical Model for Internal Surface Utilization Factor of Vanadium Catalyst Under Deactivating Condition and Its Application

表面失活后钒催化剂内表面利用率变化的数学模型及其应用

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A mathematical model for calculating the internal surface utilization factor of a whole particle of catalyst under deactivating conditions was developed and used for 3 cases with normal operation conditions. Utilization of Surface Water for Cooling and Heating of Buildings

建立了整个颗粒内表面利用率的数学模型，对三种常用的操作条件进行计算。地表水在供冷供热中应用的现状及分析

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Testing Internal Surface Quality of Steel the Tubes by an Industrial TV Camera

工业电视摄像机在钢管质量检测中的应用

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The determination of the internal surface area of HM zeolite

HM沸石分子筛内表面积的测定

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The fresnel reflection of the crystal internal surface is studied, when the incident plane is the optical axis of the biaxial crystal.

研究了双轴晶体入射面是主轴截面时，晶体内表面的菲涅尔反射。

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The failure mechanism of lead bronze shaft sleeves with many pits on their internal surface is analyzed by optical metallograph and EPMA.

利用光学金相和电子探针等分析手段，对铅青铜轴套内表面出现凹坑及碎粒造成的磨损失效进行了分析。

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Study on Temperature Stress Intensity Factors of Gun Barrel with Internal Surface Cracks

带内表面裂纹的身管温度应力强度因子研究

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