这种波形有利于脉冲有效辐射与保真。
The designed waveform is advantage for the pulse waveform to be effectively radiated with fidelity.
光合辐射(par):确定光合有效辐射。
PAR (photo synthetic radiation) : to determine the active PAR.
当然区域大小的划分要以总经销商的有效辐射能力为前提。
Of course the size of the region divided by total dealers to effectively radiation ability as the prerequisite.
根据不同条件,可以选择不同的因子来计算光合有效辐射。
According to the different conditions, different affecting factors can be selected into calculations of PAR.
本文基于大气辐射的基本概念和原理,对海面有效辐射进行分析讨论。
On the basis of the fundamental concept and principles of atmospheric radiation, the effective radiation of the sea surface is investigated theoretically.
结果表明,晴天与阴天的海面有效辐射值相差较大,可是它们随海面风速的变化均甚小。
Results of calculation show that the differences of the sea surface effective radiation between cloudy and clear skys are very large, but their variations with the changes of wind speed are small.
影响河北核桃净光合速率日变化的主要因子是光合有效辐射、叶片温度及胞间CO_2浓度。
The diurnal variation of Pn in hebei-walnut was influenced by light intensity, leaf temperature and intercellular CO2 concentration.
下层叶片获得的有效辐射量与群体上空的有效辐射总量及群体自身的叶面积大小分布密切相关。
That effective radiation obtained by low leaves correlated closely with both the total available radiation over the colony and leaves distribution of the colony itself.
并在此基础上,以光合有效辐射、温度和降雨量作为气候指标,分析了它们与牧草长势之间的关系。
On this basis, this paper takes effective photosynthesis radiation, temperature and rainfall as climatic indexes, and analyzes their relations with pasture growth.
再利用地面温度、气温、水汽压和总云量,计算得出福建省各地的地面有效辐射的月、年平均辐照度。
The ground effective radiations are calculated based on the ground temperature. air temperature. water vapour pressure and total cloud cover.
不同生育期太阳光中的有效辐射总量不同,群体叶片的平均光补偿点不同,最大的叶面积系数指标也不同。
In each of growth stages, the total available radiation in sunlight wasn't same, the average light compensation point of colony leaves was different, so was the most large leaf area index.
与中国东部平原区相比,青藏高原光合有效辐射的相对通量稍低,但其绝对量仍远远高于中国东部平原地区。
Compared with those in the eastern plain of China, the relative flux of par on Tibetan Plateau is a little lower, but the absolute flux of par is far higher.
栽培方式对叶幕叶片光合有效辐射截留、叶果际温度微气候产生显著影响,T架与篱架叶幕温度微气候优于棚架;
Training systems had great influence on the leaf PAR capture, leaf and fruit temperature microclimate. Canopy temperature microclimate was better in T-bar and hedgerow trellis than in pergola trellis.
结果表明,塑料大棚茶园内,光合有效辐射仅为棚外茶园的39.3% ,导致茶树光合速率平均比对照低2 7.5 % ;
The results showed that the light intensity in the plastic green house was significantly reduced and only 39.3% of the control, resulting in net photosynthetic rate (Pn) decreased by 27.5%.
相对湿度恒定的假设是重要的,因为大气中的水蒸气是红外波长辐射的另一种有效吸收剂。
The assumption of constant relative humidity is important, because water vapor in the atmosphere is another efficient absorber of radiation at infrared wavelength.
地球上早期的生命形式被限制在海洋里,因为水是帮助它们抵御紫外线辐射的唯一有效保护。
Early life-forms on Earth were confined to the oceans because water was the only available protection they had against ultraviolet radiation.
更有效的一种方法是让电视直播通过运用分散的网络辐射装置发出讯号,覆盖所有可用的移动网络,从而尽可能大范围地向所有掌上设备散播无线信号。
A more efficient approach for live TV is to “multi-cast” a signal to all handsets using a separate radio network overlaid on the existing mobile network.
眼球晶状体对电离辐射非常敏感,据知约2sv的有效剂量即可导致白内障。
The lens of the eye is very sensitive to ionizing radiation and cataracts are known to result from effective doses of about 2 Sv.
在地下生长的农产品吸收少量的辐射,标准洗涤法对这些食物就足够有效。
Undergroundcrops absorb little radiation. Standardwashing is sufficient for these foods.
还有证据表明,紫外线辐射可降低免疫系统的有效性。
There is also evidence that UV radiation reduces the effectiveness of the immune system.
紫外线辐射似乎会改变触发免疫反应的细胞的活动和分布,从而降低免疫系统的有效性。
UV radiation appears to diminish the effectiveness of the immune system by changing the activity and distribution of the cells responsible for triggering immune responses.
科学家发现,观测到的X射线辐射要比吸积模型预言的少上30到50倍,这有效地将该模型排除了。
The scientists found the observed X-ray emission was a factor of 30 to 50 times smaller than expected from the accretion scenario, effectively ruling it out.
测试表明加热这个含有微波辐射的混合物可以有效地将90%的废旧机油变成燃料。
Tests showed that heating this mixture with microwaves was about 90 percent efficient at creating precursors to fuel-which beats tossing the oil down the drain.
Rosen表示,在实验用小鼠的实验中,对于某些类型的肿瘤,例如乳腺癌,热疗法是提高辐射疗法和化学疗法威力的有效方法。
Rosen says tests using laboratory mice suggest the heat treatments may be an effective way of augmenting radiation or chemotherapy for patients with some kinds of tumors, including breast cancer.
在电脑的周围放几盆仙人掌,因为它们能有效吸收电脑释放的电磁辐射。
Place several potted cactus beside your computer as they can effectively absorb the radiation released by the computer.
适当的阻抗加载能有效降低天线rcs,同时还能保证天线的辐射性能。
Proper impedance load can reduce RCS effectively, meanwhile antenna's gain and radiation efficiency are not affected.
大气散射辐射偏振特性测量是研究大气光学和物理特性的有效手段之一。
Measurements of polarized properties of atmospheric scattering radiation is one of an effective means of investigating the optical and physical parameters.
本文给出了一种新型的快速的射线追踪方法——有效可见区域辐射源树射线跟踪法。
In this paper, we present a new rapid ray tracing method -available visible area radiant point tree ray searching.
结论:提出了用煤矸石生产内燃砖的合理化建议,可有效的降低煤矸石砖辐射水平,使之符合国家建材标准。
Conclusion: Make a suggestion for reduce the radiation levels of brick produce containing gangue for which accord with the national standard for building materials.
结论:提出了用煤矸石生产内燃砖的合理化建议,可有效的降低煤矸石砖辐射水平,使之符合国家建材标准。
Conclusion: Make a suggestion for reduce the radiation levels of brick produce containing gangue for which accord with the national standard for building materials.
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