如何制定具体的日变化的时候？
QCalendarWidget: how to set specific day when changing the month?
各污染物的日变化有明显的变化规律。
气孔导度的日变化趋势相似。
文中还初步探讨了大气dms的日变化情况。
The diurnal variation of atmospheric DMS was discussed in paper.
小麦蒸腾速率日变化曲线为单峰型，中午最高。
Daytime change of transpiration rate of wheat leaves appeared as single peak.
南京市生物气溶胶浓度垂直分布和日变化规律。
The vertical distribution and diurnal variation law of the bioaerosol concentration in Nanjing City.
分析了湍流尺度的日变化规律，给出了其频数分布。
The daily variations and probability of the inner and outer scale of turbulence were analyzed.
不同生育期大豆植株氮素含量日变化动态有一定差异。
There was difference in daily changes of the nitrogen content of soybean plant.
光合作用的日变化与内部生理状态的周期性变化有关。
The daily changes of photosynthetic rate is associated with the cyclic alterations of internal physiological periods.
目的：揭示脑出血发病时间的季节周期性和日变化规律。
Objective: To explore the seasonal and circadian variation in the timing of cerebral hemorrhage.
此外气溶胶光学厚度与大气稳定度也有一致的日变化趋势。
Besides, the diurnal change of AOD has the same tendency as that of the atmospheric stability.
土壤总呼吸和断根土壤呼吸也有明显的日变化和季节变化。
The total soil respiration and soil respiration with roots severed showed strong diurnal and seasonal patterns.
高频返回散射电离图中最高观测频率、斜距的日变化规律；
Maximum observed frequency in HF backscatter ionogram and day variblelaw of slope distance.
背景沙漠气溶胶浓度的日变化主要由大气扩散稀释能力控制。
The diurnal variation of concentration of background desert aerosol is mainly controlled by air disperse dilution.
结果稻田ch 4排放通量的日变化与气温日变化基本一致。
The daily variation of CH4 emission in late rice paddy field was basically consistent with the daily variation of air temperature.
各树种在不同月份、不同天气状况下的蒸腾速率日变化规律不同。
Change regular of date transpiration rate of different tree species have obvious different under different month and climate.
结果表明：(1)武昌电离层闪烁不但有日变化，而且有季变化。
The results are (1) at Wuchang, ionospheric scintillations exhibit not only diurnal variations but also seasonal variations.
海南岛热带山地雨林森林循环不同阶段斑块内光照与温度的日变化规律不同。
The daily change patterns of light and temperature in different patch types in the forest cycle in the tropical mountain rain forest were different.
在复杂地形条件下，特别是降水有明显日变化的地区，边界层的作用非常重要。
Under the condition of complex topography, the role of BL is very important, especially where the precipitation has obvious daily change.
结果表明：稻鸭复和生态系统中甲烷排放具有明显的日变化规律和季节变化规律。
The results showed that methane emission had obvious daily and seasonal variation law in rice-duck complex ecosystem.
通过实验和分析证实，温度的日变化是引起浅层地下水位日变化的主要原因之一。
From experiments and analysis show that the daily periodic variation of temperature is one of the main reasons causing the daily periodic variation of phreatic water table.
研究了在典型高温低湿天气下大豆光合日变化过程中气孔限制和非气孔限制的效应。
The effect of stomatal and nonstomatal limitation during the diurnal course of photosynthesis was studied in the typical dry and high temperature weather of Shandon Province.
文中还对湍流热量交换系数、湍流动量交换系数与理查孙数的日变化关系进行了讨论。
Finally, the relationship between the turbulent heat and momentum exchange coefficient and the diurnal variation of the Richardson number is discussed.
以盆栽玉米为试材，研究控制性分根交替滴灌供水方式下，不同处理蒸腾速率的日变化。
The diurnal change of transpiration rate of maize in different disposals was studied in potted experiment under the alternative drip irrigation for the control of root.
从日变化数据来看，植物蒸腾由于能消耗更深层次的水分，其强度的减弱要迟于土壤蒸发。
The data of daily-variety indicates the lowering of intension of plant transpiration is later than evaporation of soil surface, because transpiration can consume the deeper layer water.
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.
结果表明，在两种灌溉方式下棉花冠层内的温度、光照强度和净辐射日变化曲线均呈单峰线；
The result showed that the diurnal variation of temperature, irradiation intensity, net radiation as a curve in cotton canopy of two irrigation ways.
通过不同程度的水分胁迫对欧李叶水势、气孔导度、蒸腾速率和光合速率日变化影响的研究。
This paper was carried out to study the effect of water stress on the diurnal change of photosynthetic rate of Chinese dwarf cherry.
通过不同程度的水分胁迫对欧李叶水势、气孔导度、蒸腾速率和光合速率日变化影响的研究。
This paper was carried out to study the effect of water stress on the diurnal change of photosynthetic rate of Chinese dwarf cherry.
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