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

属于这种类型缺陷有气孔、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.

日本花柏白色鳞形气孔分布纹饰都有一定特殊性。

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

摘 ： 用改良刮制法研究了水稻气孔密度。

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

可以减少蒸腾作用化学物。抗蒸腾剂可以通过沉积气孔上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.

当植物水力信号化学信号共同作用促进气孔对水势调节时，植物对水势调节表现为等水行为。