1) Respire-resistance
气道阻抗
2) link travel time
道路阻抗
1.
Study of link travel time functions for dynamic traffic assignment model based on computer simulation;
动态交通分配中道路阻抗模型的研究
3) Ballast Impedance
道碴阻抗
4) channel impedsnce
频道阻抗
5) 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。
6) Airway obstruction
气道阻塞
1.
Impacts of Nasal Airway Obstruction on the Mandibular Growth Pattern in Children;
鼻气道阻塞对儿童下颌骨生长模式的影响
2.
【Method】 8 patients with bronchus benign tumor had airway obstruction and were cauterized with high frequency knife cauterize incision through electric bronchoscope.
方法对8例支气管良性肿瘤所致的气道阻塞患者,进行支气管镜下高频电刀烧灼切割术,对治疗结果进行统计,观察气道打通程度、肺通气功能、气促指数及并发症的发生率。
3.
Method 27 patients with bronchus benign and malign tumor had airway obstruction and were cauterized with high frequency knife cauterize incision through electric bronchoscope.
方法对27例良恶性大气道肿瘤所致的气道阻塞病人,通过电子支气管镜下进行高频电刀烧灼切割术,观察病人的耐受性和并发症的发生率。
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