查询词典 porosity

As the weld deep and narrow, fast cooling rate, weld porosity generated in the process may not have enough time to escape from the melting zone.

由于焊缝深而窄，冷却速度又快，焊接过程中产生的气孔不一定有足够的时间从熔化区逸出。

Reduce the melting zone porosity methods include: welding pre-cleaning, welding process using inert gas welding area and selection of the full protection of the lower cooling rate of the welding parameters.

降低熔化区气孔率的方法包括：焊前清洗、焊接过程中用惰性气体充分保护焊接区和选择较低冷却速度的焊接参数。

Drived by tectonic compressional stress and buoyancy force, deep fluid migrates up along faults and porosity in the sediments, and gas hydrate is formed in the shallow sediments of accretionary wedge.

在增生楔部位，地层深部的流体，在挤压构造应力及浮力的作用下，沿断层及地层孔隙运移至海底浅层，形成水合物。

According to the tissue engineering, porous hydroxyapatite scaffold biomaterial is prepared by the immersion method using organic foam. The effects of pretreatment, the content of agglomerant PVA and HA on the porosity of this material are investigated.

采用有机泡沫法制备了多孔羟基磷灰石支架，考察了水解预处理工艺、粘结剂聚乙烯醇和固相HA的含量对孔隙率的影响，利用扫描电子显微镜观察了支架的孔结构。

Furthermore, five anticlogging filtration material samples with different porosity are produced by changing needle-punching density in order to analyze the relation between geotextile structures and their permeability and filtration performance.

为了探讨织物结构与其渗透、过滤性能的关系，通过改变针刺密度的方法得到了五种孔隙率不同的防淤堵滤层材料试样。

By the way of porous board to cut down on noise energy along with increasing of porosity, it could increase the attrited loss with sound power and reduce noise volume effectively.

使用开孔板的方式来削减声音能量，随著开孔率增多可增加与声音能量摩擦耗损之作用，可有效降低噪音音量。

This study takes the reservoir of the Kela 2 gas field of the Tariam basin, the western China, as an example for understanding the relationship between the porosity and permeability and autogenetic minerals and textures of the clastic rocks on the vertical depth scale. The secondary pores are essential reservoir space in this gas field, moreover, their origin is closely related to dissolution of the frame grain of plagioclase and the cements of calcite.

本文以克拉2气田储层为研究对象，探讨了该区纵向深度上孔隙度、渗透率与矿物组合、结构上的变化，发现次生孔隙是本区储层的重要储集空间，并且与长石骨架颗粒和方解石胶结物的溶蚀密切相关。

Bitumen is similar to the cement and autogenic clay filled in reservoir pores, and it dramatically reduces reservoir porosity and permeability, increases reservoir heterogeneity and even changes the oil/gas accumulation history at a later stage.

沥青类似于充填在储集层孔隙中的胶结物及自生黏土，使储集层孔隙度和渗透率急剧降低，非均质性增强，甚至可改变后期油气的富集规律。

In recent years, with the advanced requirements for speedup and heavy load from rail transport, the advanced requirements for the property of supporting pedestal have been proposed. The inherent defectivenesses which include the low mechanical property, low fatigue ductility and low shock resistance of cast-steel product, and the avoidless gas cavity, shrinkage porosity, inclusion, crack, etc in cast-steel product, existed in the product of Cast-steel supporting pedestal, have threatened the high speed and safe running of railroad.

近年来，随着铁路运输对重载、高速要求的提高，对关键部件支撑座的性能要求也在提高，铸钢支撑座产品存在的固有缺陷(铸钢件本身的机械性能、疲劳韧性、抗冲击性能都不高，铸件产品无法避免地存在气孔、缩松、夹杂、裂纹等)对铁路高速安全运行已构成威胁。

On condition that the oil resource is abundance and pressure is enough higher, oil/ gas will migrate to reservoir bed which its porosity are baddish and its displacement pressure is upper.

在油源充足，压力足够高的条件下，油气才会向孔渗性差、排替压力高的储层运移。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。