Thermal stresses of concrete gravity dam in the period of operation caused by annual variations of air and water temperatures;
重力坝运行期年变化温度场引起的应力
There are two valleys in the annual variation of net photosynthetic rate (Pn) of tea, which appeared in January and April, respectively (Pn was 2.
茶树光合年变化受生理生态因子的影响，特别是主导因子的影响。
The results show that even if the amplitude of the annual variation meets the construction standard of seismic station issued by China Earthquake Administration (the annual temperature variation amplitude in the tunnel is no more than 0.
利用轴对称线弹性模型有限元方法,计算了洞室中温度微小年变化引起的地倾斜和地应变。
To maintain its productivity,annual changes in leaf nutrient concentrations of N,P,K,Ca,and Mg with 11 clones of triploid P.
研究了三倍体毛白杨Populus tomentosa 11个无性系(无性系号分别为S1,S2,S3,S4,S5,S6,S7,S8,S9,S11,S12)叶片中营养元素氮、磷、钾、钙和镁年变化规律,并以二倍体毛白杨(无性系号为S10)为对照。
Spatial patterns of annual cycles in surface chlorophyll a in the Taiwan Strait;
台湾海峡表层叶绿素a年变化特征的空间差异
The climatology and annual cycle of zonally averaged meridional transport of westerly momentum by stationary waves(also called the eddy momentum flux) in the Northern Hemisphere are presented and analyzed using European Centre for Medium-Range Weather Forecasts(ECMWF) reanalysis(ERA40) data.
利用高分辨率的再分析资料ERA40,分析了纬向平均状态下北半球不同尺度的定常波对西风动量沿经向输送的气候态及其年变化。
The annual cycle of phytoplankton bi.
建立了一个与水动力模型耦合的、以浮游植物生物量、无机氯浓度、磷酸盐浓度、底碎屑含碳量为变量的三维生态模型,模拟出了与观测基本相符的渤海浮游植物量和初级生产年变化规律、水平及垂直分布的季节变化。
Seasonal and annual variations of wastewater purification efficiency of Rongcheng constructed wetlands.;
荣成人工湿地净化效果的季节和年际变化
Community structure and annual variation of zooplankton in the waters near the Qinshan nuclear power station;
秦山核电站邻近水域浮游动物的群落结构和年际变化
Annual variation characteristics of sediment yield on the loess plateau are analysed by using 16 feature indexes,and the annual variation characteristics of sediment yield in different regions and watersheds are obtained.
该文采用１６个特征指标，对黄土高原的侵蚀产沙年际变化特征进行了分析，得到了不同区域、不同流域的侵蚀产沙的年际变化特征值，并对其年际变化距平程度进行了分析。
The variations of nitrogen and phosphorus transportation in the last decades were studied and their relationships with population,applied fertilizers and wastewater discharged in the basin were analyzed.
收集了黄河流域下游主要干流监测站近40a来(氮数据)或20a(磷数据)来的水质数据,同时,收集了流域各省人口、氮肥磷肥施用量(折纯)及工业废水排放量等数据,研究了黄河氮磷营养盐通量(或浓度)的多年变化趋势,并统计了水质变化与流域人口、化肥用量和工业废水排放量等社会经济指标的关系。
The Hydrographic data from three major CHINARE cruises and one Australian cruise along 73°E near Prydz Bay are interpreted to present the features and variations of water masses and geostrophic currents.
根据 2 0 0 2 ,2 0 0 0和 1999年中国南极考察和 1992年澳大利亚南极考察资料 ,分析了普里兹湾 73°E断面水团与地转流的结构及其多年变化 :(1)该断面上水团主要有南极表层水、绕极深层水、南极底层水和陆架水 ;(2 )南极表层水 1999,2 0 0 0年向北扩展最强 ,2 0 0 2年向北扩展最弱 ,绕极深层水 2 0 0 2年向南扩展也较强 ,1999和 1992年绕极深层水向南扩展较弱 ,南极底层水 ,位温在 - 0 。
The Sibo Nationality Manchu on Note Change Direction of Manchu Language from the Changes of Sibo Language over Past 20 Years;
从锡伯语20年变化看满语的音变走向
the annual range of temperature
每年的温度变化范围
The international situation changed dramatically in 2001.
２００１年，国际形势变化起伏。
In recent years there have been many changes.
最近几年有了许多变化.
LES TERMES P(?)RIODIQUES DE LA VARIATION DE LATITUDE DE 1935.0-1941.0
1935.0—1941.0年?度变化的周期?
THE SECULAR CHANGES OF HAND－WRIST BONES ON SCHOOL－AGE CHILDREN(13～17 YEARS OLD)
13～17岁少年手腕骨发育的年代变化
Decadal Climate Variation and Inundation over the Changjiang River Basin in 1998
年代际气候变化与1998年长江大水
Researches on Interannual and Inter-decadal Variability of Cross-Equatorial Flow;
越赤道气流的年际、年代际变化研究
The statistic analysis on changes of impact factor of SHPS from year 2000 to 2003;
对SHPS2000年—2003年影响因子变化的分析
Analysis on the Abrupt Change Points of Chinese Temperature in the Last 120 Years
近百余年我国气温变化的突变点分析
Evolution of climate change intensity in North China from 1901 to 2002
华北地区1901～2002年气候变化强度的演变
Interdecadal Features of SCS Summer Monsoon Intensity Interannual Variabilites;
南海夏季风强度年际变化的年代际变异特征
The Change of Annual Mean Temperature in Monsoon Area of East China
中国东部季风区1961年～2006年年平均气温变化特征
Periodic Changes of the Annual Precipitation and Annual Natural Runoff in Guizhou Province
贵州省年降雨量和天然年径流量年际变化研究
Variability of Heat Content in Southern Pacific and Study of Decadal Variability;
南太平洋热含量变化及年代际变化研究
Environmental Changes and Cultural Transition at 4 cal. ka BP in Central Gansu;
甘肃中部4000年前环境变化与古文化变迁
Characteristics of Spatial and Interannual Variation in the Yellow Sea Warm Current Area in Winter
冬季黄海暖流区的空间变化和年际变化特征
Changes in China s Oil and Petrochemical Industry One Year After China s WTO Entry;
“入世”周年看中国石油石化行业的变化