1) leaf stomatal resistance
气孔阻抗
1.
) leaf stomatal resistance and greenhouse microclimate factors and the possibility to use the Penman-Monteith equation to simulate gre enhouse tomato transpiration under subtropical climate conditions, experiments with two varieties were carried out in a Venlo type greenhouse in Nanjing (118°E , 32°N) during spring and winter season in 2003~2004.
该文针对目前国际上计算作物蒸腾速率的通用Penman-Monteith方程(P-M方程)存在的所需参数即作物叶片气孔阻抗不易获取的问题,首先通过春季和冬季Venlo型温室小气候和番茄(LycopersiconesculentumMill。
2) stomatal diffusive resistance
气孔扩散阻抗
1.
Relationship between the stomatal diffusive resistance of the leaves and the air-filtering;
植物叶面气孔扩散阻抗与净化空气能力的关系
3) resistance hole
阻抗孔
1.
The air invading into the tail tunnel as well as the unfavorable liquid state can be remitted and improved by laying out a resistance hole in diversion tunnel.
通过在施工导流洞内设置阻抗孔,可有效改善施工导流洞内水流的流态并阻止气体进入尾水隧洞。
4) mesh impedance
网孔阻抗
5) stomatal resistance
气孔阻力
1.
Effects of elevated CO_2 concentration and drought on the photosynthesis and stomatal resistance and transpiration efficiency of different strains of spring wheat;
干旱和CO_2浓度升高对不同春小麦光合作用和气孔阻力及水分蒸腾效率的影响
2.
Stomatal resistance of maize leaf and its relationship with photosynthesis and transpiration under different field conditions.;
田间不同条件下玉米叶片的气孔阻力及与光合、蒸腾作用的关系
3.
The response processes of physiological absorbed radiation,stomatal resistance,transpiration rate to different soil water content w.
结果表明:蒸腾速率与生理辐射光量子强度成幂函数关系;蒸腾速率、气孔阻力和土壤体积含水量之间存在着密切的关系;蒸腾速率一般随光强的增强和土壤水分的提高而增大,臭椿蒸腾速率与土壤水分含量的决定系数平均可达0。
6) stomatic resistance
气孔阻力
1.
If omitting the atmospheric thermal stratification,correcting air pressure,replacing the canopy resistance rst with the canopy integral stomatic resistance r_c,and limiting the net radiation R_n with the canopy intercepted net radiation R_(nl) in Penman-Monteith equation,the forestry transpiration could be calculated with the measured leaf stomatic resistance r_(si) and general weather data.
忽略大气层结,考虑气压订正,用冠层整体气孔阻力(rst)代换冠层阻力(rc),蒸散面的净辐射值(Rn)采用冠层截留净辐射(Rnl),便可在叶面积指数(LA I)、林木单叶平均气孔阻力(rsi)和气象要素实测数据的基础上,应用修正后的Penm an-M onteith模型进行林木蒸腾量的模拟。
补充资料：星接阻抗和三角接阻抗的变换
星接阻抗和三角接阻抗的变换
transformation between starc-onnected and delta-connected impedances
x ing]一e乙日kongl介e sonJ一00}Iez日伙ongde匕一。一〕huon星接阻抗和三角接阻抗的变换(t ransfor-mation betweenstar一eonneeted and delta-eonneeted imPedanees)接成星形的三个阻抗和接成三角形的三个阻抗互相替代的等效变换。它们之间的关系可用一组变换公式表示。按这组公式，用星接阻抗替换三角接阻抗或者反过来，不会影响稳态下电路其他部分的正弦电压和电流，常用于对称三相电路的分析和计算。 图1为三个阻抗21、Z:、23接成星形(又称丫形)。图2为三个阻抗Z小22。、Zal接成三角形(又称△形)。它们之间的变换公式如下:人23土图1星接阻抗图2三角接阻抗(1)将星形连接变换成三角形连接212一Z:+22+2 122及3一22+za十警(1)、|冬|矛231一23+21+2321(2)将三角形连接变换成星形连接z、-二一典乒兴-) 艺‘2士乙“3十乙31…_2 oqZI，}Z。一下万~一二-二二-汁 乙‘2士乙23十乙3‘1_Z。IZoq}艺q一二二一~二，二二--，-二二-~J 乙12十乙23十艺32夕(2) 当三个星接阻抗相等，即21一Z:一23一z丫、三个三角接阻抗相等即212一223一231一Z△时，变换公式是 Z二一32丫，Z丫一Z△/3
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条