孔

With the methods of conformal mapping and the Cauchy integral, two cases of crack geometries are studied: one is for a crack emanating from a circular hole and the other is for two symmetric cracks emanating from a circular hole.

利用保角变换和 Cauchy 积分的方法，对含有圆孔孔边单裂纹和双裂纹的压电弹性体分别进行了分析。

In this paper, the hydrophobic cellulose nitrate microporous composite membranes have been obtained by modification of hydrophilic cellulose nitrate microporous membranes by the use of plasma polymerization of octafluorocyclobutane.

本文以八氟环丁烷为单体，采用等离子体聚合法将亲水性硝酸纤维素微孔膜改性，制得疏水硝酸纤维素微孔复合膜。

The YFZ stage cementer features inner-closing configuration,in which the circulation ports are opened with free-fall or pumping-down opening plug.

YFZ型双级注水泥器为内关闭结构，通过投重力塞或顶替型打开塞使循环孔打开，关闭塞带动关闭套下行关闭循环孔。

The symmetry no longer existed when the projection of light source is not located in the symmetry center of rectangular aperture.

当光源的孔面投影不在矩孔中心时光强分布的对称性不复存在。

The light intensity distribution was characterized by Fraunhofer diffraction when the projection of light source located in the symmetry center of rectangular aperture and the size of aperture is small enough .

根据菲涅尔-基尔霍夫衍射积分得出矩孔菲涅尔衍射的光强分布表达式，对该表达式作了数值计算，分析了矩孔尺寸对衍射光强分布的重要影响。

Effects of Soil Water Stress, Salt Stress and Intercross Stress on Photosynthetic Characteristics of Cercis chinensis

盐、旱及其交叉胁迫对紫荆光合性能的影响，孔红岭；孙明高；孙方行；孔艳菊；于振群；王友平-66文免费论文库，大学生论文库

Methods:Forty patients with chronic calculus cholecystitis and polypus of cholecyst randomly diveded into two groups,and treated each group with MLC and LC respectively.

HTH〗方法：随机将慢性结石性胆囊炎和胆囊息肉40例分成两组，分别施行二孔微型腹腔镜胆囊切除术和三孔腹腔镜胆囊切除术。

Pneumatic down-the-hole hammer is a drilling method with many advantages.Its features,such as wide application range,high hole quality,no circulating medium,low operation regulations,and drilling big diameter rock hole,fit to construct slide-resistant pile.

风动潜孔锤钻进是一种具有许多优点的钻进方法，它的许多特点，如成孔质量高、应用范围广、无液体循环介质、钻进规程参数小、可实现大直径基岩钻孔等都适合于抗滑桩施工。

Anacondas have spurs on either side of the cloaca. The cloaca of the Anaconda has a gland which emits a foul-smelling musk. This brownish musk is quite poisonous to small organisms. This may prevent ticks and leeches from attaching themselves here.

水蚺的泄殖孔侧面具有突出物，它们的泄殖孔会分泌难闻的麝香，这些褐色的麝香对于小型生物来说是有毒的，可以防止虱子和水蛭的攻击。

At the end of flange: a closed and valve cover openings of the valve openings corresponding parts.

底法兰：一个封闭与阀盖开孔相对的阀体开孔的零件。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。