環流指數 的英文怎麼說

中文拼音 [huánliúzhǐshǔ]
環流指數 英文
circulation index
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 環流 : [氣象學] circulation; circulating current; circumferential motion; circular current; ring current...
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. The main factors affecting the precipitation in the first stage of rainy season in fujian province are pacific sst in preceding june, the western pacific subtropical high area index in preceding may, the asia polar vortex area index in preceding september, the eurasian meridional circulation index in preceding april to june, the 500hpa height in northwest asia in preceding spring. the main factors affecting the precipitation in the second stage of rainy season in fujian province are pacific sst in preceding july and august, the northern hemisphere polar vortex area index in january in same term, the pacific polar vortex intensity index in preceding september, the 500hpa height in south europe in preceding summer

    ( 2 )影響福建省前汛期的主要因子有:前期6月太平洋海溫場、前期5月西太平洋副高面積、前期9月亞洲區極渦面積、前期4 - 6月歐亞徑向環流指數和前期春季亞洲西北部500hpa高度場;影響后汛期的主要因子有:前期7月太平洋海溫場、前期8月太平洋海溫場、同期1月北半球極渦面積、前期9月太平洋區極渦強度和前期夏季歐洲南部500hpa高度場。
  2. 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、反復出現的過程為研究對象,定義了一個夏季歐亞中高緯,在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續型的界定方法,研究了典型持續型的氣候特徵,分析了的年代際變化,以及對應不同階段、不同型的降水場、加熱場、海溫場等的主要特徵。
  3. 3 in the years of cold spring, the inner mongolia high and the aliushen low are strengthened with the low index of the east asia trough and the negative anomaly center of temperature over northeast china from surface to tropopause while the contrary conditions occur in the years of warm spring

    3 、東北地區出現春季低溫的主要特徵是:內蒙古高壓,阿留申低壓的強度加強;阿申低壓以及東亞大槽強度減弱,東北地區從地面到對層頂處在溫度負距平中心內,東北地區春季高溫時則出現與上面相反的變化形式。
  4. Tga. insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by termogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope

    電纜和光纜的絕緣和護套材料.通用試驗方法.第4 - 1部分:聚乙烯和聚丙烯化合物專用方法.抗境應力致裂.熔化測量.通過直接燃燒測量聚乙烯中炭黑和或礦物填料含量.通過熱重分析法
  5. Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by thermogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope

    電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯和聚丙烯專用方法.第1節:耐境應力破裂性.在空氣中熱老化后的卷繞試驗.熔體測量.聚乙烯中炭黑和
  6. Pe. insulating and sheathing materials of electric and optical cables - common test methods - methods specific to polypropylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filter content measurement in pe by direct combustion - measurement of carbon black content by tga - assessment of carbon black dispersion in polyethylene using a microscope

    電纜和光纜的絕緣和護套材料.通用試驗方法.聚丙烯和聚丙烯化合物專用方法.抗境應力致裂.熔化測量.直接燃燒法測量聚乙烯
  7. The circulation of positive pna index pattern is prominent in the case of persistent forcing of negative ssta in west wind drift region or positive ssta in tropical eastern pacific, which is the typical ssta pattern during el nino peak - mature phase

    西風漂區持續負ssta時或者熱帶中東太平洋持續正ssta時,阿留申低壓均有所加強,正pna型的大氣特徵顯著。而當相反符號的ssta持續作用時,大氣中阿留申低壓減弱,對應pna為負。
  8. ( 4 ) the correlations are significant between the sth position index and the general circulation. in the westerly ( easterly ) year, equatorial westerly is weaker ( stronger ), cross - equatorial flow is weaker ( stronger ), south china sea summer monsoon is weaker ( stronger ), the yangtze river valley westerly is stronger ( weaker ), which has the positive ( negative ) effect on the maintenance of rain band over the yangtze river valley, so the rainfall is more ( less ) in this area and it is hit by floods ( droughts ), vice versa

    ( 4 )本文運用定義的副高研究了六月份副高偏東偏西年份的大型特徵及其對我國東部天氣的影響,風矢量場和相關場分析結果表明:副高偏西(東)年,赤道西風減弱(增強) ,越赤道氣偏弱(增強) ,南海夏季風偏弱(強) ,而長江域西風增強(減弱) ,有(不)利於雨帶在江淮域維持,該地區降水偏多(少)易澇(旱) 。
  9. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合,選取水境容量和污染作為水污染控制的參.這樣,一維對-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河的污染進而推求綜合污染.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  10. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合,選取水境容量和污染作為水污染控制的參.這樣,一維對-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河的污染進而推求綜合污染.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  11. On base of results above, composite model of ssta in pacific and circulation anomaly are constructed for analysis their evolution. during mature phase of el nino usually in winter, positive ssta dominates in tropical eastern ocean and negative ssta dominates in west wind drift district in mid - latitude ocean, correspondingly the pna index of 500 hpa geopotential height is positive which means the aleutian low gets strong, and the situation is somewhat inversely during la nina phase of ssta

    合成位相反映了太平洋ssta演變特徵,以及相對應的大氣異常特徵:當西風漂區處于暖態而熱帶中東太平洋海溫偏低時,合成大氣模型當中阿留申低壓減弱, 500hpapna為負異常;當西風漂區處于冷態,熱帶中東太平洋處于暖態( elnino峰值?成熟期ssta典型分佈) ,合成大氣模型中阿留申低壓加強, 500hpapna為正異常。
  12. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、擬合模塊以及多項式擬合模塊,設計了一種對實驗所得據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  13. Finally, the srh, ehi, brn and sbrn, ssietc severe convective storm parameters are introuced. the case study during " 03. 7 " meiyu period showed that all the parameters are effective for prediction of the severe storm ' s occurrence and development, and have a worth of extending in our actual prediction work

    最後,文中綜合介紹了螺旋度srh 、能量螺旋度ehi 、粗理查遜brn及簡化的粗理查遜sbrn 、風暴強度參ssi等強對風暴的境參,並將這些參應用於實例分析,結果表明:風暴參產品對中尺度強對風暴的發生發展有一定的示作用,值得在氣象業務工作中去推廣。
  14. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存境中的直閃絡特性進行了研究。試驗結果表明,直平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  15. Retail price index refers to the prices at which industrial, commercial, catering and other retail enterprises sell daily consumer goods and products for office use to urban and rural residents and institutions and social organizations

    商品零售價格商品的零售價格是商品在通過程中最後一個節的價格,是工業、商業、餐飲業和其他零售企業向城鄉居民、機關團體出售生活消費品和辦公用品的價格。
  16. Number of kilometres of river ranked " excellent " or " good " using the epd river water quality index

    根據境保護署的溪水質獲評為極佳或良好的長距離(公里) 。
  17. Especially, t - test shows that significance of the asia polar vortex, zonal circulation index, the most northern extension edge of subtropical high of northern west pacific and the warm pool of pacific ocean, are at 95 % ( 90 % )

    特別地,亞洲極渦、緯向環流指數、西太平洋副熱帶高壓北界位置及太平洋暖池的海表面溫度等因子均通過了95 % ( 90 % )信度水平檢驗。
  18. Furthermore, comparisons are made between the monsoon circulation index proposed in this paper and other monsoon indices for their representation of climate anomalies in china

    此外,還將該環流指數與目前常用的4種東亞夏季風進行了對比分析。
  19. With 1958 ~ 1997 ncep / ncar reanalysis data and 1961 ~ 1995 summer ( jja ) rainfall and temperature records of 160 stations in china, a new east asian subtropical summer monsoon circulation index is defined, in which the barotropic and baroclinic components of the circulation are included

    摘要採用大氣正、斜壓分解方法,從東亞副熱帶夏季風為正、斜壓混合型季風觀點出發,定義並計算了1958 - 1997年東亞副熱帶夏季風環流指數
  20. Its warming was the higher in china, ( 5 ) the current atmosphere circulation anomaly is the current factor influenced the winter air temperature in the north - east china, and it includes siberian high anomaly, the east asian trough anomaly, the acreage of polar vortex anomaly, the asian winter monsoon anomaly and the anomaly of the west - wind circulation in east - asian

    ( 4 )東北地區冬季增暖趨勢與中國大部分地區是一致的,是增暖最顯著的地區之一。 ( 5 )影響東北冬季氣溫異常的同期因子是異常,它包括西伯利亞高壓、東亞大槽、東亞冬季風、極渦面積、東亞西風環流指數等的異常。
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