气孔

The results showed that leaf epidermal cells were polygonous or irregular in shape. Stomatal complexes only present on abaxial epidermis and the stomata was paracytic type. There were five types of anticlinal walls of abaxial and adaxial cells (straight, rounded, undulated, sinuous, straight-curved). Trichomes on abaxial epidermis exist or not. Ornamention types of periclinal walls could be divided into punctuate, smooth and striate. Ornamention of periclinal walls on inner side of abaxial epidermal cells varied widely (irregular, smooth, roughly reticular, micro hairy, granular, scaly).

结果表明：润楠属植物叶表皮细胞形状为多边形或不规则形，气孔复合体均为平列型且仅分布在下表皮；上下表皮细胞的垂周壁式样有5种类型：平直、圆滑、技波、波状、平直－弓形；下表皮毛被有或无；上表皮平周壁纹饰类型有：点状、平滑、条纹；下表皮内面平周壁纹饰类型有：不规则、平滑、粗糙网状、微毛状、颗粒状、鳞片状。

The results showed that leaf epidermal cells were polygonous or irregular in shape. Stomatal complexes only present on abaxial epidermis and the stomata was paracytic type. There were five types of anticlinal walls of abaxial and adaxial cells (straight, rounded, undulated, sinuous, straight-curved). Trichomes on abaxial epidermis exist or not. Ornamention types of periclinal walls could be divided into punctuate, smooth and striate. Ornamention of periclinal walls on inner side of abaxial epidermal cells varied widely (irregular, smooth, roughly reticular, micro hairy, granular, scaly).

结果表明：润楠属植物叶表皮细胞形状为多边形或不规则形，气孔复合体均为平列型且仅分布在下表皮；上下表皮细胞的垂周壁式样有5种类型：平直、圆滑、浅波、波状、平直-弓形；下表皮毛被有或无；上表皮平周壁纹饰类型有：点状、平滑、条纹；下表皮内面平周壁纹饰类型有：不规则、平滑、粗糙网状、微毛状、颗粒状、鳞片状。

The response of gas exchange parameters such as net photosynthesis rate, transpiration rate, water use efficiency of leaf, stomatal conductance and intercellular CO2 concentration of 2-years old Periploca sepium Bunge to different soil water content were studied in Loess Plateau with CIRAS-2 portable photosynthesis system.

在半干旱黄土丘陵区，采用CIRAS-2型光合作用系统，在不同土壤水分条件下，对2年生杠柳的净光合速率、蒸腾速率、叶片水分利用效率、气孔导度和胞间CO2浓度等叶片气体交换参数的日变化进行了研究。

The relativity analysis indicated that the net photosynthetic rate of F.cymosum had a positive correlation to the stomatal conductance,photosynthetically active radiation,transpiration rate and water utilization efficiency,and negative to the intercellular CO2 concentration.

相关性分析表明，金荞麦叶片净光合速率与气孔导度、光合有效辐射、蒸腾速率和水分利用效率等呈正相关，与胞间CO2浓度呈负相关。

Stomatal conductance,photosynthetically active radiation and transpiration rate were the main environment factors that affected the net photosynthetic rate of F.cymosum .

金荞麦为阳生植物，气孔导度、光合有效辐射和蒸腾速率是影响金荞麦叶片净光合速率的主要环境因子。

At the same time, vegetation growth situation and biological characteristic had significant effects on the evapotranspiration of Phragmites communis, especially, leaf area index, leaf transpiration rate and leaf conductance.

同时，植被生长状况和生理生态特征对蒸发散也有显著影响，其中叶面积指数与气孔导度是芦苇群落蒸发散的主导影响因子。

Experiment result indicates that laser power density,welding speed,pulse frequency and pulse width are the key factors of pulse laser welding and that the polishment,close touch of butt joint faces have an important effect on the air vents number in welding line and the mechanical performance of welding line.

实验结果表明：对焊面的打磨、抛光和紧密接触对防止焊缝中产生过多的气孔和提高焊缝的机械性能有重要作用；激光功率密度、焊接速度、脉冲宽度和脉冲频率四个参数是实现脉冲激光焊接的关键因素。

Leaf-epidermis cells and stomatal apparatuses of Polygonatum cyrtonema at its different developmental stages were examined by light and scanning electron microscopy.

通过光学显微镜和电子扫描显微镜，对多花黄精不同发育时期的叶表皮细胞及其气孔器进行了研究。

Observations of stomata in some species of the genus Populus L.

杨属一些种气孔的观察。

Observations of stomata in some species of the genus Populus L.

标题 杨属一些种气孔的观察。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！