有植株参与稻田在孕穗期CH4昼夜平均排放通量显著高于无植株参与稻田(P<0.01)。
The diurnal mean CH4 flux from rice-involved plot was significantly higher than that of rice uninvolved plot in the booting stage(P<0.01).
本文着重讨论了不同加热区域以及有、无热量通量的输送对台风扰动场型态和强度的影响。
The paper aims at discussing the effect of heated areas, the conditions with and without heat fluxes on the disturbed pattern and strength of typhoon.
在模型中引入了超滤常数,根据超滤常数将超滤过程稳态渗透通量计算分为有滤饼层和无滤饼层两种情况。
The ultrafiltration constant is introduced to this model, by which the steady ultrafiltration process can be divided into two types: in the presence of cake and in the absence of cake.
WENO格式的主要思想是通过低阶的数值流通量的凸组合重构得到高阶的逼近,并且在间断附近具有本质无振荡的性质。
The basic idea of WENO is to obtain a higher approximation by a linear combination of low order numerical fluxes.
主要解决如何实现在无现状调查OD的情况下,充分利用已知信息,特别是《统计年鉴》中的统计数据,预测路段交通量。
In this paper, how to forecast the traffic flow oft he road by using the known information especially the statistical data in the statistical Yearbook when od survey is impossible is introduced.
在交通量低时,无召唤信号的电梯自动返回基站,关门等待。
When the elevator is in low traffic in , if the elevator has no call it will return to the main floor automatically.
对哈尔滨市典型的无控制交叉口进行了调查,分析了交通量、流向构成、车种构成等因素对延误的影响。
Then typical uncontrolled intersections of Harbin are surveyed and the impact of traffic volume, flow structure, vehicle composition on delay is analyzed.
LED照明瞬时启动,并达到额定光通量而且无开关损耗,LED发光角度可调节,满足您多种照明需要。
Adequate illumination: LED lighting instant start and achieve the rated flux and no switching losses, LED light-emitting Angle can be adjusted to meet your variety of lighting needs.
LED照明瞬时启动,并达到额定光通量而且无开关损耗,LED发光角度可调节,满足您多种照明需要。
Adequate illumination: LED lighting instant start and achieve the rated flux and no switching losses, LED light-emitting Angle can be adjusted to meet your variety of lighting needs.
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