气孔的

The reason of gas-hole defects occured in steel casting for molding eroduction line was analyzed.

结合多年的生产实践,分析了湿型砂水平造型生产线上铸钢件产生气孔的原因,介绍了预防铸钢件气孔的措施。

There were some spiracle connected each other among the cover, column layer and the cone layer.

表层、柱状层和锥体层之间的气孔相互连通。

The distribution of stomatal apparatus and ceraceous ornamentation of the white squama-shaped leaf of Chamaecyparis pisfera spach were special.

日本花柏白色鳞形叶的气孔分布和蜡质纹饰都有一定的特殊性。

Abstract： Using Improved serape-making method,the studies were made on the stomatal density of flag leaves of rice.

摘 要： 改良刮制法研究了水稻剑叶的气孔密。

Antitranspirant A chemical that reduces transpiration. Antitranspirants may work by depositing a waterproof film over the stomata or by inducing stomatal closure.

减少作的化学物质。剂通过沉积气孔上的防水膜或诱导气孔关闭起作。

Air hole, burnthrough, cooapse and welding crackle occurred in the fixed overhead weld for aluminium and aluminium alloy tubes, above all the small-size thin wall tube.

针对铝及铝合金管,特别是小口径薄壁管固定口仰焊部位易出现气孔、烧穿、塌陷及焊接热裂纹等问题,分析问题存在的原因,从焊接工艺方面入手,提出一套消除气孔及烧穿的操作手法。

The effects of double coating on the pores of lime titania type stainless steel electrode are studied with high speed cinecamera, oscillograph, optical microscope, SEM with EDS, etc.

采平板堆焊、高速摄影、波形分析、光学金相、扫描电镜能谱分析等测试方法，研究了双层药皮对钛钙型不锈钢焊条气孔的影响。

A large amount of research results showed that plants show isohydric behavior when the plant hydraulic and chemical signals cooperate to promote the stomatal regulation of leaf water potential.

当植物水力信号和化学信号共同作促进气孔对叶水势的调节时，植物对叶水势的调节表现为等水行为。

This refers to the use of a miniature BTE hearing aid that is coupled to an ear insert or earmold (vented or unvented) via a tubing of approximately 0.8 mm inner diameter.

就是微型耳背式助听器一根内径大约0.8毫米的细导管耦合到耳塞或者耳模（耳模开或者不开通气孔）的验配方式。