日溫變化 的英文怎麼說
中文拼音 [rìwēnbiànhuà]
日溫變化
英文
daily temperature fluctuation-
A diurnal temperature variation of-4k is present at 50km because heating only occurs during the day.
由於加熱只發生在白天,因此50公里高度上的溫度日變化約為4k。The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability
利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,長短波輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied
本文利用ncep / ncar再分析逐日500hpa高度場等資料,選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區,以夏季歐亞中高緯度持續時間長(時間尺度屬于中間時間尺度,即10 ? 30天之間) 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象,定義了一個夏季歐亞中高緯流型指數,在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法,研究了典型持續流型的氣候特徵,分析了流型指數的年代際變化,以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。The day's routine, whether in london or at windson, was almost invariable.
每日的生活,無論在倫敦或在溫色差不多沒有變化的。There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data
( 2 )根據土壤溫濕資料,採用功率譜分析、 pca分析等方法,分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響,發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期;下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響,冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響,且溫度梯度與水分運動方向相反。The daily and yearly temperature oscillations die away at depths less than 1m and 30m respectively.
溫度日變化波及的深度小於1米,而溫度年變化影響的深度約30米。Rufifacies, peak 16 ( unknown ) and 25 ( 11 -, 13 -, 15 - methyl - hentriacontane ) for b. peregrina and peak 3 ( unknown ), 4 ( tricosene ) and 23 ( unknown ) for p. crassipalpis. additionally, the models were developed respectively to determine the larval age of different flies accurately. 2 temperature effects of time - associated characteristic in cuticular hydrocarbons of aldrichina grahami larva highly significant correlation were observed between the relative abundance of some larval cuticular hydrocarbons associated with gas chromatographic peaks and the chronological age of al
2溫度對巨尾阿麗蠅幼蟲表皮碳氫化合物組成時間特徵的影響及日齡推斷模型的建立巨尾阿麗蠅幼蟲表皮碳氫化合物組份色譜峰,即p30 (二十五烯a ) 、 p33 (正二十五烷) 、 p48 (二十七烯a ) 、 p49 (二十七烯b )和p79 (正三十一烷)含量與幼蟲日齡呈極顯著相關,且在不同恆溫( 16 、 20 、 24和28 )下的變化趨勢基本一致。This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件,包括模擬壩體的實際升程過程,考慮了新老混凝土接觸面上的初始溫度不連續,逐日的氣溫變化,混凝土的入倉溫度,水化熱溫升,邊界保溫,水庫蓄水過程,澆築間歇以及灑水養生等因素;應力場的計算考慮了混凝土的自重,靜水壓力,溫度應力,常態混凝土與碾壓混凝土不同的自生體積變形,混凝土的彈性模量隨齡期的變化以及徐變的作用。A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。By analysis the test data, the law of temperature variation in day and temperature variation in month was got ; moreover, the probability statistics mode of day temperature difference with its statistic parameter was got too. at the same time, the year temperature difference data of walls and roofs were obtained. through the field tests, the law of thermal cracks, displacement and stress in cshbb was summarized
對杭州市某一小砌塊試點建築進行了為期近一年的現場跟蹤監測研究,給出了小砌塊建築的日溫度變化規律和月溫度變化規律,並由此得到了小砌塊建築的日溫差概率統計分佈模式及相應的統計參數和小砌塊建築不同方位的墻體和屋面的年溫差數據;通過現場跟蹤監測,也得到了小砌塊建築的裂縫發展規律及位移和應力的變化規律。Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced
在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討,提出了同時考慮年溫差和日溫差影響的組合溫差取值方法;根據各種不同的組合溫差取值方法,結合現場實測數據給出了試點建築的組合溫差取值,並考慮了不同構造措施的影響,對試點建築進行了有限元的溫度效應計算;給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。A diurnal temperature variation of - 4k is present at 50km because heating only occurs during the day
由於加熱只發生在白天,因此50公里高度上的溫度日變化約為4k 。Simulation of diurnal variation of weather factors and photosynthesis of individual tomato leaves in greenhouse
日光溫室氣象要素及番茄單葉光合速率日變化模擬的研究The climate change characteristics of precipitation in the west region of china have been analyzed and studied comprehensively based on the data of yearly, seasonal, monthly precipitation sequence and the number of rainy days on yearly. seasonal and temperature departure sequence of the globa, the northern hemisphere during the period of 1961 to 2000 at 109 stations in the west region of china
本文利用中國西部地區109站1961年到2000年年降水序列、季降水序列、月降水序列,中國西部109站的年、四季雨日數,全球、北半球1961年至2000年年、季溫度距平序列,對中國西部降水的氣候變化特徵進行了全面研究。During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?
在此過程中,採用平均誤差( me ) ,平均絕對誤差( mae ) ,插值平均誤差平方的平方根( rootmeansquaredinterpolationerror ,簡稱rmsie ) ,插值前後測站要素值的均方差( meansquaredeviation ,簡稱msd )差值作為判定插值效果的標準,得出如下結論:通過高斯權重法與結合逐步訂正的高斯權重法的對比,說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度;在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢,同時也能較大地提高地面日氣溫的空間插值精度,說明在地形復雜的區域,地形影響在插值精度中是不可忽略的;對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變化趨勢。The net result is little change in the daily maximum temperature. overall, the annual mean temperature rises but at a slower rate than the annual mean minimum temperature
綜合最高和最低氣溫的變化,日平均溫度有上升的趨勢,但速度較日最低氣溫慢。Using the daily maximum and mean air surface temperature data of 121 stations in the area of southern china for the period 1961 - 2004, the change characteristics of the maxi mum temperature in the area was analyzed
摘要利用從全國743個站點數據集中挑選出的江南、華南地區的121個站點1961 - 2004年逐日日最高氣溫和日平均氣溫資料,分析了近40多年來我國南方地區最高氣溫的變化特徵。The system is able to efficiently increase temperature and meet crop requirement of temperature for yield. in researching and designing solar energy conserving system in soil for active greenhouse, it adopts instrument of rhlog, tests temperature of six layers to soil temperature, and draws various curve of temperature. it shows the system can efficiency increase soil temperature and reduces change range of temperature in greenhouse in wintertime
在研究和設計主動式溫室太陽能地下蓄熱系統中,採用溫度自記儀器,測試了室溫及土壤中六個不同深度的溫度數據,繪制了相關溫度變化曲線,該曲線表明了主動式溫室太陽能地下蓄熱系統能有效提高冬季溫室土壤的溫度,並且減小了日溫變化幅度。With the wind, pressure and sea surface temperature ( sst ) data provided by ncep / ncar reanalysis project and excess length of day ( lod ) data provided by international earth rotation service ( iers ), atmospheric angular momentum ( aam ) and its horizontal and vertical transportation are computed and analyzed, which are in accordance with maintenance of the zonal circulation. and the anomalous aam is highly consistent with el nino events
應用ncep / ncar40年再分析計劃提供的風場、氣壓場、海溫等資料以及國際地球自轉服務局( iers )提供的日長變化資料,計算大氣角動量及其水平、垂直輸送,分析其氣候及異常特徵,發現角動量及其輸送與緯向環流的維持相一致,角動量異常與厄爾尼諾事件緊密相關。A temperature stochastic process has been suggested with utilizing vasicek mean reversion model, considering about seasonal effect and time trend
本文主要參照均值回復模型,考慮氣溫的季節變化和長期趨勢,建立反映氣溫變化的隨機模型,應用1980至1999年北京日平均氣溫對模型參數進行估計。分享友人