Stomatal, dispersed shrinkage, shrinkage cavity, sonim and slag inclusion belong to this kind of defect.

属于这种类型的缺陷有气孔、缩松、缩孔、夹砂、夹渣等。

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： 用改良刮制法研究了水稻剑叶的气孔密度。

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

可以减少蒸腾作用的化学物质。抗蒸腾剂可以通过沉积气孔上的防水膜或诱导气孔关闭起作用。

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用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。