气孔的

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。

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。

Many researchers have determined and estimated tree transpiration by using the methods of rapid weighting, steady-state porometer, photosynthesis system, whole-tree photometer, ventilated chamber, weighting potted-plant, sap flow measurements, lysimeter, water balance, energy balance, Bowen ratio, eddy covariance, Penman-monteith Method, and remote sensing.

针对不同的植被覆盖类型，国内外许多研究通过各种手段和方法，如快速称量、稳态气孔计、光合作用测定、整树容器、风调室、盆栽称量、液流测定法、蒸渗仪、水量平衡、能量平衡、波文比、涡动相关、彭曼联合法和遥感等来估算林木蒸腾作用。

Peanut or rice wereplanted in the large-scale weighing Lysimeter,pit plots,and standard runoff plots,wherehigh,moderate,and low soil moisture levels were designed as 3 treatments,assemblingwith some instruments such as time domain reflectometry,portable photosynthesis system,dew point microvoltmeter,and porometer.

季节性干旱缺水严重制约着我国红壤区农业的持续发展。1999～2000年在中国科学院红壤生态实验站，利用大型称重式蒸渗仪、测坑小区和径流小区，配合时域反射仪、光合蒸腾仪、水势仪及动态气孔阻力计等仪器，设计高、中、低3种土壤水分处理，进行了花生和早晚稻试验。

Cyclophos phamide printer power is not enough, print, nbspvacuum box sealless and air hole plug or is not set properly on the evacuation time attributed the exhaust air pressure inside the bad; not enough film drop and PS version photographicsensitive coatings cannot be tight.

晒版机真空泵功率不敷、晒版框不密封、气孔畅通或抽气工夫撤销不妥等来因变成抽气不良；框边气压回升不敷，不顶片和PS版的感平涂层不不妨密接。

A very variable species: specimens occur with spinescent or obtuse leaf apices and with or without white stomatal bands on the adaxial leaf surface.

一非常易变的种：标本发生具具刺或钝叶尖并且有或没有白色气孔带在叶正面上。

Stomata of laser welding process, the most frequently occurring defects.

气孔是激光焊接过程中，最常出现的缺陷。

Stomata One of a large number of pores in the epidermis of plants through which gaseous exchange occurs.

每个气孔被两个新月形的保卫细胞头尾相接围绕而成。

The leaf stomata are the route for the uptake of CO2 for photosynthesis.

控制气孔是为光合作用而吸收CQ2的通路。

Stomata : mainly at lower epidermis, for gases exchange and water loss by transpiration.

气孔 ：主要在叶底表皮，用作气体交换和水分的蒸发。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐