季节变化

老年人血浆维生素K和D水平的季节变化

Seasonal variation of vitamin K and vitamin D status in elderly people

我国地面Fried参数r0的空间分布与季节变化

Distribution and seasonal variation of Fried parameter at ground level in China

医学心理研究表明人的情绪、心境和行为与季节变化有关。

Medical research shows that people 's mood , mental state and behavior have something to do with the change of seasons .

总核酸含量的季节变化与RNA变化相似。

The seasonal content change of nucleic acid was similar to that of RNA .

模拟了1997年羊草及角碱蓬群落土壤盐分、碱化度、pH值动态，并与实验资料进行了比较，模拟结果可以反映土壤盐分和碱化的季节变化规律。

Comparing with the experimental data , the simulation results can express the dynamics of saline and alkaline in different seasons .

但三种常绿植物叶片MDA含量的季节变化基本相同。

Seasonal changes of MDA content in three types of evergreen broad-leaved species are almost the same .

重庆市大气TSP中重金属浓度季节变化同样比较明显。

Mass concentration of heavy metals in TSP seasonal variety is remarkable .

武昌低电离层LF观测的季节变化

Seasonal variations of low frequency wave observations at Wuchang

土壤Eh和温度对稻田甲烷排放季节变化的影响

Effect of Soil Eh and Temperature on Seasonal Variation of CH4 Emission from Rice

与其它地区相比，本区土壤中Mn和N的含量较高而P和Ca较低.不同元素具有不同的层次分布和季节变化特征。

Compared with other regions , the soil in this area have higher contents of Mn and N , and lower contents of P and Ca.

结果表明，阔叶红松林土壤CO2排放与表层无凋落物的土壤CO2排放速率在测定年度内具有相同的季节变化趋势。

The results showed that there were similarly seasonal variation trends for soil CO 2 emission rates in soil and litter-free soil .

N2O通量季节变化和年际变化差异不显著，并且无明显的日变化规律。

The seasonal , interannual and diurnal variability of N2O fluxes was not significant .

目的探索季节变化对大鼠性腺轴褪黑素（MT）受体的影响及其生理机理。

Objective : To explore the seasonal effect on melatonin receptor in rat 's hypothalamus-pituitary-gonad ( HPG ) axis .

东半球跨赤道气流季节变化及其在ELNino年的异常

Seasonal variation of cross-equatorial flow in the eastern hemisphere and its anomaly during the El Nino event

全球不同地区OLR的季节变化特征

The outgoing longwave radiation seasonal variation over the global various areas

对栖息于季节变化明显、年温差较大的北方小型啮齿类而言，BAT对动物的生存尤为重要。

Thus , BAT is very important for small rodents inhabiting the North with obviously seasonal changes of climates .

结果表明，蔬菜地和华东稻麦轮作生态系统冬小麦田的NO和N2O排放具有不同的季节变化规律。

The result showed that N2O and NO emissions from vegetable field and winter wheat field of rice-wheat rotation systems in southeast China had different seasonal variation rules .

观测结果显示：（1）土壤CO2浓度的季节变化在泉水和土壤水水化学上均能反映出来；

The results indicate : ( 1 ) The seasonal change in soil CO_2 concentration can be reflected from the hydrochemistry of spring and soil water ;

总平均栖息密度明显地在1月和7月出现两个高峰，总体和软体动物的栖息密度出现显著的季节变化（P＜0.01）。

The value of total mean density of this fauna displayed two apparent peaks in July and January respectively , and the densities of whole fauna and mollusc revealed significantly seasonal fluctuations ( P < 0.01 ) .

分析表明：温度、有机物降解和浮游植物活动等因素在胶州湾秋冬季pC02及CO2通量的季节变化过程中起着重要的作用。

The results show that temperature , organic degradation and phytoplankton activity play important roles in seasonal variation of pCO2 and CO2 flux from autumn to winter .

受水体生产力和长江输沙量的季节变化影响，颗粒态P和N含量在春季高于秋季，但有机组分的比例春季低于秋季。

Impacted by the seasonal variations of primary productivity and Changjiang sediment load , the concentrations of particulate P and N were higher in spring than those in autumn , while the percentage of organic component were lower in spring .

长牡蛎（Crassostreagigas）代谢率的季节变化及其与夏季死亡关系的探讨

Seasonal variation in metabolic rate of Pacific oyster , Crassostrea gigas and its implication to summer mortality

格氏栲和杉木人工林枯枝落叶层不同分解层次DOC浓度的季节变化模式基本相似，均在秋季或冬季出现最大值。

Seasonal trends of DOC concentrations in different horizons of forest floors were similar and the maximal value occurred in autumn ( or winter ) .

结果表明，当水稻生长期土壤Eh处于适宜CH4产生的水平时，土壤Eh对CH4排放季节变化没有显著影响，这时土壤温度却显著影响CH4排放季节变化；

The results showed that when soil Eh was in a level suitable for CH4 production , soil Eh has no significant effect on seasonal variation of CH4 emission .

结果表明，上甸子本底站地面φ（O3）具有明显的季节变化和日变化规律，并且与同期的气象条件密切相关。

The results show that surface ozone concentration at the background station has clear seasonal and diurnal change rules and has close relationship with local meteorological conditions .

利用POP模式做了六个数值试验，模拟研究了在不同热力强迫条件下的海平面季节变化特征，探讨全球海平面季节变化的热力学机制。

Six experiments are made by using POP model to stimulate the characters of seasonal sea level variation under different conditions of thermal forcing , and to discuss the thermal mechanism of the seasonal variation of global sea level .

本文利用1979年的FGGEⅢb资料研究了1&7月平流层大气环流的季节变化以及变化期间南北半球、东西半球的不同演变特征。

Using FGGE ⅲ b data in 1979 , the seasonal variation of global atmospheric circulation in stratosphere and their relationship during January to July has been studied in the paper .

垃圾中可燃物比例较高，水分含量较低，有利于焚烧和热解，低位热值（Q低）平均值为（5590.8±1252.3）kJ/kg，但低位热值随季节变化较大。

The water content was relative low in MSW and this is good for incineration . The low heat value of annual mean was about 5590.8 ± 1252.3 kJ / kg in MSW , but the value changed greatly with the season .

6，局地异常经圈环流存在明显纬向差异和季节变化；太平洋经圈环流异常与ELNino、LaNina事件关系密切。

6 , The zonal difference and seasonal change of locally anomalous meridional circulation are great . The meridional circulation anomaly over the Pacific Ocean relates closely with the El Nino / La Nina events .

为进一步说明各城市H值的季节变化特点，利用Mann-kendall检验法对各城市H值的季节值变化进行方向及趋势显著程度分析。

In order to further the conclusion , we counted the seasonal H values in each city , utilizing the Mann-kendall test methods to analysis the direction and remarkable degree of the trend in different season of studying cities .