stomas
英
美 [ˈstoʊməz]
n. 气孔(植物叶或茎表皮的小孔); (某些动物的)气门，呼吸孔; (尤指结肠或气管上的)造口
stoma的复数
双语例句
- In gas exchange. The stomas closes, and all of the gas exchange rate, photosynthetic rate and transpiration rate decrease. The ratio of photosynthesis and water utility is increased under drought stress, since transpiration was inhibited more strongly than photosynthesis.
在气体交换方面，气孔关闭，气体交换速率减缓，光合速率和蒸腾速率都下降，但是，与光合速率相比，由于蒸腾速率受到更强烈的抑制，水分利用率提高。 - Zizyphus jujuba Mill has small leaves, thick cuticle, dense stomas in lower epidermis, fully developed palisade tissue and degenerate spongy tissue. All.
酸枣叶片小，角质层厚，下表皮气孔密度大，栅栏组织发达，海绵组织退化。 - Finally, we draw a conclusion that the defects were chained cestode stomas.
最终，综合判定该缺陷为链状条虫形气孔。 - Whereas, the stomas of the upper epidermis of the thin-leave type settle strongly, there are no dividing between palisade tissue and spongy tissue in the diachyma, the vascular bundle sheath consists of lignification and suberin cells.
细叶型的叶上表皮气孔强烈下陷，叶肉无栅栏组织和海绵组织的区别，由木质化或栓质化细胞形成维管束鞘。 - Results: All anastomotic stomas of132 cases were well healed.
结果：132例手术无1例吻合口瘘发生。 - Sinensis has smaller leaves, more layers of epidermal hair and denser stomas than H. rhamnoides.
中国沙棘与俄罗斯沙棘及杂交品种相比叶片小，表皮毛层次多，气孔密度大，具有较强的耐旱性。 - The response of stomas of woody plants on areas of different polluted types
木本植物气孔对不同污染类型的反应 - In particular condition and in the heat solution, using exchange reaction the calcium carbonate of duck's eggshell was transformed hydroxyapatite biomaterial, which contained quantities of stomas.
在特殊的条件下，将鸭蛋壳（主要成分碳酸钙）经过热液交换反应转化为多孔羟基磷灰石生物材料。 - Low storability of producing Juxian garlic scape was due to blacked stomas which gas injure easily occurs and strong parietal bundle and central bundle.
莒县薹耐藏性差与气孔被大量物质堵塞易造成组织内气体伤害以及周缘维管束和中央维管束发达有关。 - The ordinary methods to observe the stomas as water slice, blotting, transparent tape, nail polish and so on.
常规观察叶片气孔的方法主要有水装片法、印迹法、透明胶带法和指甲油法等。