gravity well 中文意思是什麼

gravity well 解釋
自流井
  • gravity : n. 1. 認真,嚴肅,莊重。2. 重要性,嚴重性;危險性。3. 重量。4. 【物理學】重力,引力,地心吸力。5. 【音樂】(音調的)低沉。
  • well : n 1 井。2 泉水;源頭,來源。3 坑,穴,凹處;【礦物】礦井,豎坑;【軍事】(地雷的)井坑;【建築】...
  1. The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed

    因此,本論文重點對大口徑光學系統在高精度光學鏡頭裝校中,因重力變形進行了詳細的分析研究,特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析,使用algor有限元分析軟體獲得了大量的面形誤差分析數據,然後將這些數據繪成曲線進行對比分析,最後提出了減小重力變形的措施與方案,並進行了實驗,驗證了分析結果是正確的,減小重力變形的方法是有效的。
  2. Flying with a cg ( center of gravity ) not well positioned

    沒有調整好模型的重心就開始飛了。
  3. At that time, the newtonian theory of gravity and the concept of escape velocity were well known

    那時,牛頓引力理論和逃逸速度的觀念是廣為人知的。
  4. General relativity ( as well as most other metric theories of gravity ) not only says that black holes can exist, but in fact predicts that they will be formed in nature whenever a sufficient amount of mass gets packed in a given region of space, through a process called gravitational collapse

    廣義相對論(以及很多其它的米制引力理論)不只是說黑洞可以存在,而是事實上預言了它們將會自然形成只要在給出的空間區域質量聚集到足夠大,雖然過程稱做引力坍塌。
  5. Metropolitan circle is the result of industrialization and urbanization, which is the embodiment of centralization and radialization when the metropolis is developing to a certainty, in order to advance the space and economy to conform, to form a corporate area, fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry this paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data, and theory model, and discusses the all - around regional development in chengdu area from a new angle, ie : using space structure model of metropolitan circle to develop the overall enhancement of strength in chengdu first, the thesis defmitudes the concept, connotation, and character of metropolitan circle, after that, it discusses the formative mechanism of metropolitan circle from the factors such as market, institution and ect moreover, from the practice of metropolitan circle ' s development in ho me and abroad, it summarizes the significance of the metropolitan circle form for the economic and social development, as well as the experience for reference and the problems we should pay attention to = based on these theories and practice, it brings forward the necessity and strategic significance of building metropolitan circle in chengdu, and analysis its possibilities, it also makes a research on the model of this circle, it innovatively brings forth that the double - polar circle structure of central city - sub central city - satellite town should be builded, through the establishment of index system, the sphere of metropolis circle in chengdu can be set which means the central city, sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area, and discusses the function orientation of center city and satellite town at last, it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in chengdu

    本文將理論闡述和經驗實證分析與較全面的最新統計資料,以及理論分析模型分析結合起來,從新的角度深入探討成都的區域整體發展,即以都市圈的空間結構模式促進成都整體實力的全面提高。本論文首先明確了都市圈的概念、內涵及特徵,從市場、等因素探討了都市圈的形成機理,並從國內外都市圈的發展實踐中,總結出都市圈這種空間形式所引起的經濟和社會發展的意義所在,以及我們值得借鑒的經驗和需要注意的問題。在此理論和實踐基礎上,提出構建成都都市圈的必要性及戰略意義,分析其可能性;並且對如何構建成都都市圈模式進行了探討,主要是創新性提出構建中心城市-副中心城市-衛星城鎮的雙極圈域結構,並通過指標體系的建立以確定成都都市圈的范圍,即中心城市、副中心城市和衛星城鎮的確定,以及測定中心城市與周邊地區的引力大小,以及對中心城市和衛星城鎮的功能定位進行了探討。
  6. Moorel's habitual gravity, as well as his abstemiousness has so far recommended him to mrs. yorke.

    穆爾素來行事穩重而且飲食有度,這一向得到約克夫人的稱許。
  7. This paper gives a comprehensive description of the development of aerogeophysical techniques in western countries and recounts such instruments as aeromagnetometer and gamma spectrometer, the newest aeromagnetic, aeroelectromagnetic and airborne gravity surveying system as well as data - processing software

    摘要本文綜述了西方國家航空物探技術的發展動態,介紹了最新航空磁力儀、伽馬能譜儀,以及最新航磁、航電、航重測量系統、數據處理軟體。
  8. This paper gives a comprehensive description of new advances in the development of aerogeophysical techniques used abroad and describes such instruments as aeromagnetometer and uav, gamma spectrometer, and the newest aeromagnetic, aeroelectromagnetic and airborne gravity sun - eying systems as well as the data - processing software

    摘要綜述了2000年來西方國家航空物探技術的新進展,介紹了最新的航空磁力儀、航空伽馬能譜儀、航空電磁儀、航空重力測量系統、無人機航空物探系統以及數據處理軟體系統等。
  9. Tncyclic diterpanes c20, c21 and c23 distribution also has relationship with oil gravity, oil and gas production, as well as oil pool formation timing and oil source. rising - patterned oil originates from fengcheng formation, while peak - patterned oil from xiawuerhe formation. four types of migration and accumulation models are put forward : ( l ) fault controlled migration and accumulation along ridge far from source region ; ( 2 ) fault and unconformity controlled migration and accumulation around source region ; ( 3 ) fault controlled migration and accumulation in the slopes within source region ; ( 4 ) biogenetic and low temperature catalyzed gas migration and accumulation in middle and shallow formation

    受擠壓背景控制,研究區內海西期形成的斷裂,全部為逆斷裂,活動期長,可以延續到印支期和燕山期,斷開層位可以從石炭繫上延至誅羅系,它們對區域構造、沉積、油氣運聚有顯著的控製作用;而燕山期形成的斷裂多為小型正斷裂,部分為株羅系和白要系內部斷裂,部分從徐羅系斷至白聖系。
  10. It was well, though simply, rendered into the indian dialect, too, and it was received with a respect and gravity that argued favorably for the girl's success.

    她的話被簡單而正確地翻譯成印第安人的土話,大家都帶著尊敬和鄭重的神情聽這番言語,看來這位姑娘大有成功的希望。
  11. In chapter 4, the influences of the earth ' s models on the elastic green ' s function, as well as on the atmospheric loading effects, are discussed using the numerical techniques. the attraction green ' s function is solved out based on the state equations of the ideal gas and the hydrostatic equilibrium equation. the influences of various factors upon the gravity and tilt green ' s functions, as well as upon the gravity and tilt, are considered in detail

    第四章:採用數值計算方法,研究了地球模型對彈性項格林函數及其對大氣負荷響應的影響;利用理想氣體方程和流體靜力學平衡方程解算了吸引項格林函數,討論各種因素對大氣重力和傾斜格林函數及其對重力和傾斜的影響;基於球對稱地球模型,給出了武昌站臺站依賴的大氣重力、傾斜格林函數
  12. Many new methods, such as reduction of gravity data to a horizontal plane, wavelet analysis, higher order statistics, joint inversion and interactive inversion of gravity, magnetic, electric and seismic data, 3 - d visualized inversion, as well as bp artificial network method have been widely used in the integrated data processing

    山區重力資料曲化平,小波分析及高階統計量等現代信號處理方法,重震、重磁、電震的聯合反演與交互反演,三維可視化反演, bp人工神經網路方法等在綜合地球物理處理解釋中得到廣泛應用。
  13. Major, trace element composition and sr - nd - pb isotopes of the cenozoic basalts from yangyuan ( hebei province ) and datong ( shanxi province ), which are located to west of the daxinanling - taihanshan gravity lineament, as well as mineral chemistry, major and trace element composition and sr - nd isotopes of mantle xenoliths from yangyuan are reported in this thesis

    本文報道了大興安嶺-太行山重力梯度帶以西河北陽原和山西大同新生代玄武巖的元素和sr - nd - pb同位素地球化學及陽原幔源包體的礦物化學、元素和sr - nd同位素地球化學,據此對華北克拉通西部上地幔的性質和過程進行了初步討論。
  14. The programme will focus on their interesting physical and orbital characteristics, as well as groundbreaking amazing discoveries that are being made in recent decades. ( left ) this three - dimensional map of local gravity and magnetic field variations shows a multi - ringed crater called chicxulub named after a village located near its centre

    (圖左)因其中心點位於墨西哥奇求魯布附近而得名的奇求魯布隕石坑,其多重環狀結構在這幅引力及磁場變化圖中無所遁形。
  15. Influence of condensate layer on oil drainage rate of steam - assisted gravity drainage in horizontal well

    水平井蒸汽輔助重力泄油凝結水膜對泄油率的影響
  16. Based on several actual cases, the temperature control measures for roller compacted concrete ( rcc ) gravity dam and arch dam such as structural jointing for construction ; lowering of concrete placing temperature ; water pipe cooling ; surface insulation ; inclined - layer placing etc., the measures to improve the material properties i. e. the application of micro - expanding concrete ; enhancement of material crack - resistance property and the requirement for the simulative analysis on both the temperature field and stress field as well as some problems concerned are summarized herein on the basis of the analysis on the material properties ; construction characteristics and the changing characteristics of the thermal stress of roller compacted concrete

    摘要從碾壓混凝土的材料特性、施工特點、溫度場溫度應力的變化特點入手,結合幾個工程總結了碾壓混凝土重力壩、拱壩的分縫方式,降低澆築溫度、水管冷卻、表面保溫、施斜層碾壓等溫控措施,採用微膨脹混凝土、提高材料抗裂性能等改善材料性能措施及碾壓混凝土溫度場、應力場模擬分析的要求和應注意的問題。
  17. Self - densifying high performance concrete is well - performing concrete with the good performance of fluidity, anti - segregation and filling - up - space. with its own gravity and without any vibration, it can automatically fill up the space in and between fixed shutters and form self - densified concrete structure of ideal dynamic property and durability, therefore, it can accelerate construction progress of a building, shorten the construction period, secure concrete quality and improve the building ' s durability. in the mean time, it is conducive as well for environment protection and effects remarkable social and economic efficiency

    自密實混凝土屬于高性能混凝土,它具有高流動性、高抗離析性、高填充性的性能,在自重作用下無需振搗,自行填充模板空間,形成自密實的混凝土結構,有良好的力學性能和耐久性能,可以加快工程建設進度、縮短工期、有效控制混凝土的質量、提高建築物及構築物的耐久性,並有利於環境保護,具有較高的社會和經濟效益。
  18. Airborne gravimetry is applied to rapidly get extensively and precisely well - distributed information of the earth gravity field in order to meet the needs of geodesy, geophysics, oceanography, exploration, space - science and the other fields. airborne gravimetry includes scalar airborne gravimetry and vector airborne gravimetry. scalar airborne gravimetry is used to get the value of the gravity acceleration, and vector airborne gravimetry can get not only the value but also the direction of the gravity acceleration

    它可以快速獲取精度良好、分佈均勻、大面積的地球重力場信息,而且能夠在一些難以實施地面重力測量的特殊地區如沙漠、冰川、沼澤、原始森林等進行作業,從而能夠滿足大地測量學、地球物理學、海洋學及資源勘探等學科和領域對地球重力場信息的需求,並能為空間科學提供強有力的地球重力場保障。
  19. In this paper, the authors have reported the application of airborne gravity survey in the united states, canada, australia and some other countries in 20th century, and analyzed the adaptability of the airborne gravity surveying techniques used abroad to regional geophysical exploration and basic geological researches in harsh and complex areas as well as in desert, swamp and other severe terrains within central and western china

    摘要介紹了20世紀美國、加拿大、澳大利亞等國家航空重力測量的應用情況,分析了目前國外航空重力測量技術應用於我國中西部艱險、復雜地區及沙漠、沼澤等困難地區的區域物理勘探和基礎地質研究的適用條件。
  20. Though inefficient by modern standards, the vessel was capable of preventing the use of hyperdrives of the era by simulating the presence of planet - sized masses with its four enormous gravity - well generators

    雖然以現代的眼光看,它效率很低,但這船可以靠它四個巨大的重力勢阱發生器模擬行星大小的質量,從而阻止當時的超光速推進器的使用。
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