variations in temperature 中文意思是什麼

variations in temperature 解釋
溫度的變化
  • variations : 變更
  • in : adv 1 朝里，向內，在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • temperature : n. 1. 溫度，氣溫。2. 體溫。3. 〈口語〉發燒，高燒。
  1. Environmental-temperature variations contribute to uneven air pressures due to density variations of the air in the bellows.

    環境溫度的變化將引起波紋管內空氣密度的變化，造成氣體壓力不穩定。
  2. The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

    本文用夏季（ 6 - 8月）中國東北地區91個測站44年氣溫資料，對該區夏季氣溫的氣候平均和異常場進行分析，採用諧波分析將異常變化的年代際、年際尺度分量分離，分別分析兩種尺度上氣溫異常的時空特徵，最後應用reof進行了氣溫異常的區劃，研究局域異常變化的年代際、年際分量的變化特徵。結果發現： 1 ）東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫（低溫）階段出現在上世紀80年代后（ 70年代） 。
  3. 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。
  4. 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。
  5. In the summer stratified water column, the deeper the maximum depth of food distribution is, the stronger the dvm is performed ; the increase of the gradient of temperature in the thermocline layer can decrease the magnitude of the dvm and form the thermal barricade to the copepod ; the effects of the predation pressure on dvm is complex. on the one hand, the variations in the distribution depth of the predation pressure vs. the thermocline layer or the depth of the maximum food can modify the dvm patterns of the copepod. on the other hand, different predation pressure induces different dvm patterns

    在夏季分層水體中，食物的最大分佈深度越大，動物向下遷移的幅度也越大；溫躍層的溫度梯度增大可以減小動物遷移的幅度，成為橈足類垂直遷移的溫度屏障；捕食壓力對垂直遷移的影響較復雜，一方面，捕食壓力的分佈深度與溫躍層或食物峰值的相對位置的變化能夠改變橈足類垂直遷移的模式，另一方面，捕食壓力強度不同，橈足類垂直遷移的幅度也不同，捕食壓力越大，遷移的幅度越大，當捕食壓力增加到一定程度，橈足類停止向上的遷移，大部分時間呆在水體深層，可能進入捕食壓力引起的「滯育」狀態。
  6. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  7. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  8. The shorter the interval between the two pulses of the current wave, the fewer strikes the varistors can endure. at the same time, the dc ljima changes fast - slowly - fast alone with the experiment continuing. microstructual disorder, such as variations in the height of the electrostatic potential at grain boundaries and electrode protrusions into the zinc oxide varistors, causes substantial temperature rise in a microscopic region around the defect and is the source for failure

    雷電的多重閃擊對雷電過電壓保護器件的影響更加嚴重，本文首次採用不同間歇時間雙脈沖電流沖擊對氧化鋅電阻進行了多次試驗，試驗表明：氧化鋅電阻在雙脈沖電流沖擊下更容易出現老化破壞現象，間歇時間越短，電阻能耐受的沖擊次數越少；此外，直流u _ （ 1ma ）值隨沖擊次數的增加具有快一慢一快的下降過程。
  9. The results are as follows : ( 1 ) based on soil temperature data measured at different time in the field, soil temperature characteristics under plastic mulch were analyzed at four locations : the middle, the edge, in - between the plastic film and uncovered spot ; the characteristics of soil temperature profile from 0 to 25cm depth and the correlation of soil temperatures in different soil layers were studied at different time with and without plastic mulch ; on the basis of analyzing temporal and spatial variations of soil temperature in a corn field, the relations between soil temperature and air temperature were established, and a new method that only uses air temperature to predict soil temperature profile at different time is proposed. the predicted results showed good accuracy

    成果如下： （ 1 ）根據大田實測地溫資料，分析了覆膜條件下膜中、膜邊、膜間和揭膜四種處理在早、中、晚三個不同時刻的地溫特徵；分析研究了各觀測時刻覆膜與不覆膜條件下0 25cm剖面地溫的特點及各層地溫間的相關關系；在重點對玉米田地溫時空變化特徵分析的基礎上，首次將覆膜與不覆膜不同時刻觀測的剖面地溫與氣溫建立了聯系，提出了僅根據氣溫資料來預測一日內不同時刻剖面地溫的新方法，預測結果表明其精度較高。
  10. Discussion is concentrated upon the following issues : the new evidence of global warming, three special periods ( 20th century warming, lia, and mwp ), and numerical simulations of temperature variations in the last millennium

    重點介紹了氣候變暖的新證據， 3個特徵時期即20世紀氣候變暖、小冰期（ lia ） 、中世紀暖期（ mwp ）和近千年溫度變化模擬的結果。
  11. Abstract : according to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    文摘:根據電阻爐溫控制的特點，即只有升溫單向控制、滯后較大且具有參數時變性，利用模糊推理合成法建立模糊模型並進行模糊控制器設計，為提高模糊控制的精度，引入模糊變量k ，構成參數自調整模糊控制系統.該系統可根據誤差和誤差變化在線自動調整控制器參數，使系統的穩態精度得到改善
  12. According to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    根據電阻爐溫控制的特點，即只有升溫單向控制、滯后較大且具有參數時變性，利用模糊推理合成法建立模糊模型並進行模糊控制器設計，為提高模糊控制的精度，引入模糊變量k ，構成參數自調整模糊控制系統.該系統可根據誤差和誤差變化在線自動調整控制器參數，使系統的穩態精度得到改善
  13. Using ncep / ncar 40 - year reanalysis, gisst2. 3b data - set, cru south oscillation index along with in situ the 160 station data of surface air temperature / rainfall records in china, the inter - decadal variations in the relationship between equatorial western and eastern pacific variabilities are examined. the possible relations to the surface air temperature / rainfall in china are also investigated

    利用ncep / ncar再分析資料、全球海溫海冰gisst2 . 3b資料、英國cru提供的南方濤動指數以及中國160站降水和氣溫資料，分析了熱帶太平洋地區海氣系統內部聯系的年代際變化特徵及其與中國降水/氣溫異常的聯系。
  14. Analysis of characteristics of temperature variations in southwest china in recent 50 years

    蘇州城市化進程對降雨特徵影響分析
  15. Statistical analysis of temperature variations for 44 years in jishou city

    近44年吉首市氣溫變化統計分析
  16. Even when the oven temperature readout shows that it has reached the required temperature, significant temperature gradients may persist thus causing variations in the temperature experienced by the analytes

    即使柱溫的顯示值達到了設定值，由於實際溫度梯度的存在，也會影響被分析物的保留時間。
  17. Plaited samples of sliver are agitated mechanically between two intersecting toothed rollers through a reference - detergent solution maintained at constant temperature with variations in speed, temperature and time

    折疊的條子樣品被機械地在兩對交叉齒形的羅拉之間攪動，以變化的速度、溫度和時間，在保持恆溫的基準洗滌劑溶液中通過。
  18. Shibin wu ( optical engineering ) directed by yapei yang ， jiahu yuan manufacturing technologies for large - aperture lightweight mirror are one of the development directions in advanced optical manufacturing technologies. the lightweight mirror has the incomparable advantages than that of the solid mirror. the lightweight mirror has overcome the mirror surface deformation caused by selfweight of the solid mirror, reduces or eliminates the deformation of thermal expansion in solid mirror surface induced by environmental temperature variations and temperature gradient appeared on mirror body. mechanical weight - reduction is one of the three lightening technologies for large - aperture mirror. the technology has the advantages of simple process, small technical difficulty, common equipment conditions and wide material selection range. the technology has been extensively investigated and applied in the technical field of optical engineering at home and abroad

    它克服了實心反射鏡因自重而引起的鏡面變形，降低或消除了實心反射鏡因環境溫度變化及鏡體溫採用機械鉆銑輕量化技術的輕型鏡研製度梯度的出現而產生的鏡面熱膨脹變形。機械減重輕量化技術是大口徑反射鏡輕量化技術的三種方法之一。它具有工藝簡單、技術難度較小、設備條件要求不高和選材范圍廣泛等優點，在國內外光學工程技術領域得到了廣泛的研究和應用。
  19. The 40 - 50 years periodic change divides the temperature variation into three main cold and warm vicissitudes of the last 50 years, which include the warm period before mid 1960s, the cold period from later 1960s to 1980s and the warm period after the 1980s ; ( 2 ) the precipitation variations in heilongjiang province have multi - time scale and jump characteristics

    近50年來黑龍江省的氣溫變化在40 55a尺度上表現為兩個暖期和一個冷期，它們分別是60年代中期以前的偏暖期， 60年代後期到80年代的偏冷期和80年代以後的偏暖期：黑龍江省的降水變化也具有多時間尺度特徵和突變特徵。
  20. The variations of temperature which i produce in the gas provide all the means for ascending or descending.

    我只是靠改變氣體的溫度來使氣球升降。
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