查询词典 conductance

In Fabry-Pabry quantum structure, thetransmission coefficient show approximate periodicity as a function of geometric param-eters. The quantized thermal conductance does not appears due to the fact that hard-wallboundary conditions are applied in the structure.

应用散射矩阵方法，研究了低温下双缝量子结构和法布里-帕罗量子结构中的声学声子弹道输运和热导性质，计算结果表明：由于声子在输运过程中经过多重反射，这两种量子结构中的透射系数和热导都很小。

The results indicated that the actual inhibition ratio and the theoretical inhibition ratio of net photosynthate and stomatal conductance of glyphosate-ammonium and fluroxypr-mepthyl (4:1) mixture against Altemanthera philoxeroider were from 80% to 100%, and those of intercellular CO2 concentration, content of chlorophyll and malondialdehyde were above more than 110%, and strong synergism.

结果表明，该配比混剂处理对空心莲子草净光合速率和气孔导度的实际抑制率与理论抑制率的百分比在80%~100%之间，表现出相加作用；而对胞间CO2浓度、叶绿素含量及丙二醛含量的实际抑制率与理论抑制率的百分比均在110%以上，表现出较强的增效作用。

The results showed that the NPK2 level increases content of chlorophyll , raises net photosynthesis rate, stomatal conductance and water use efficiency notably and reduce Chl-a/Chl-b ratio, transpiration rate, intercellular CO2 concentration in A. chinensis Planch cv "81-5" leaves.

结果表明，NPK2处理可以增加猕猴桃叶绿素含量，显著提高光合速率、气孔导度和水分利用效率，降低叶绿素a/b值、叶片蒸腾速率和胞间CO2浓度。

Airway responses to inhaled OA (10 μg, 1 h) of actively sensitised, conscious guinea pigs were determined by whole body plethysmography as the change in specific airways conductance over a 12 h period and at 24 h.

当具体气道传导率在12小时和24小时期间内变化时，吸入卵清蛋白的敏化的豚鼠，意识清醒，吸入卵清蛋白（10 ug，1h ）后的气道反应状态用全身体积描记器确定。

The model expanded the existing models simulating stomatal responses to environmental water status by incorporating the knowledge about the mechanisms of the action of radiation and temperature, and the interaction between them In this model, moreover, a representation of stomatal conductance as a function of stomatal geometry is used, where the water potential gradient within the leaf has been taken into account.

在不同环境因子的组合下模拟得到的结果与公认的实验观测基本一致。它可以作为研究气孔整体行为的理论框架，也可用于检验气孔运动的基本假设。第四章对Ball和Berry提出的气孔经验模型进行了分析和模拟检验。

The projet is about the properties of electronic mesoscopic transport. We focus on the properties of compplex part of ac conductance in mesoscopic systems , and on the origins of its physics.

本项目是关于介观输运的研究，重点放在交流输运，并关注交流电导虚部的物理效应和物理根源。

Diurnal changes of Pn and environmental factors (photosynthetic available radiation and air temperature and relative humidity) and physiology factors (stomatal conductance and transpiration rate and intercellular CO2) in leaves of puna chicory were measured using CI-340 portable photosynthesis system.

利用CI-340便携式光合仪，测定了普那菊苣叶片净光合速率和环境因子（气温、光合有效辐射、空气相对湿度）、生理因子（蒸腾速率、胞间CO2浓度、气孔导度）的日变化；通过回归和通径分析，考察了影响因子对净光合速率日变化的影响。

In the first part,we quantize the thermal conductance and give the thermopowerin two-dimension band.

在第一部分中，我们以电子在二维输运带上输运为例，对热导进行了量子化并给出相应的热力。

The conductance method used to measure the rate of HCl escaped from chlorinated natural rubber has the characteristics of high measuring accuracy and repetitiveness, which can be used to measure the rate of HCl escaped from CNR continuously and is an effective method to study the thermal degradation of CNR at low temperature.

电导法测定氯化天然橡胶的脱HCl速率，具有测试精度高、再现性好的特点，可连续测定CNR脱氯化氢的速率，是研究CNR在低温下热降解行为的有效方法。

To understand metabolic adaptations,the basal metabolic rate of four small birds in China were investigated.Metabolic rate,body temperature and thermal conductance were determined in yellow-browed bunting Emberiza chrysophrys at a temperature range of 5-35° C,chestnut-flanked white-eye Zosterops erythropleura and hwamei Garrulax canorus at 10-30° C,and red-billed leiothrix Leiothrix lutea at 10-35° C.Oxygen consumption was measured by using a closed circuit respirometer.

采用封闭式流体压力呼吸计，分别在5-35° C、10-30° C和10-35° C的环境温度范围内测定了黄眉NFDA2、红胁绣眼鸟、画眉和红嘴相思鸟的耗氧量、热传导、体温等指标，探讨了其代谢产热特征。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。