短層段 的英文怎麼說

中文拼音 [duǎncéngduàn]
短層段 英文
short interval
  • : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  1. It is a fast - developing era for the telecommunication technologies nowadays. the life - period of these products is so short that this market appears fluky

    在電信技術一日千里高速發展的今天,高技術手出不窮,電信設備的產品生命周期大大縮,市場風雲突變。
  2. During the high - voltage device design, the thick epitaxial layer ldmos which is compatible with current technology was researched. this device used piecewise vld and multiple region structure f reduce field layer. the using of the f reduce field layer effectively reduce the surface electric field of the device, shorten the length of its drift region, enlarge the choice of range of the ion implant dose of the p layer, and effectively restrain the disadvantageously affection on the breakdown voltage of the interface charge qss

    在高壓器件研究中對與現有工藝相兼容厚外延ldmos進行研究,該結構採用分變摻雜多區p ~ -降場,有效降低器件的表面電場,縮器件的漂移區長度,增大p ~ -降場注入劑量的選擇范圍,並有效地抑制界面電荷qss對器件耐壓的不利影響。
  3. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成型技術改變了傳統的產品開發模式,可以為設計者提供產品樣件,縮設計周期,加快新產品的開發進度,為決策者提供直觀性;快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣,包括樹脂模、壓模、熔模和消失模等,還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模,甚至直接製造小批量鑄件,介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術,快速成型技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造模具的一般工藝方法,探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題,以及快速成型技術與精密鑄造技術相結合的模具製造工藝,基於快速成型製造的快速模具技術,集成了快速成型製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手之一。
  4. The result of analysis shows that the climate of the period during which these strata were formed was mainly dry and cold, and the pollen of herbs is predominant. in the later part of this period the temperature and humidity increased a little, especially between the two cultural layers there was a short but clear section of wet and warm climate and a temperate forest steppe landscape existed

    古環境分析表明,文化出現前後的這一時期,一直以乾冷氣候為主,草本花粉占絕對優勢,中後期溫濕度有所增加,尤其上下文化之間曾有一個暫而明顯的較為溫濕的時期,出現了溫帶森林草原景觀。
  5. On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand

    在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,直接影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須合理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計分析法、多元統計分析(主成分分析)法和系統分析法中的次分析法( ahp )等一系列方法,結合定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在因子評價的基礎上,建立了土地利用綜合評價模型,並給出了評價過程和方法。
  6. In a relatively short time ( about 1000 years ) the entire shells will be ejected into space, joining the gas and dust in the interstellar medium

    在相對較的一時間里(大約1000年)整個殼將被拋入太空,加入到星際介質的氣體和塵埃中。
  7. In the depositing process, small angle x - ray diffraction method was used to measure thin films repeatedly, form which the optimized parameters of depositing soft x ray thin films were gained. under the parameters, five soft x ray multilayer mirrors were fabricated

    在多膜的淀積過程中,使用小角x射線衍射的方法對多鏡進行了反復的標定,獲得了軟x射線膜反射鏡沉積的優化工藝參數。
  8. Based on the discussion on the principle of density - logging, this paper analyses far - gamma gamma rate, near - gamma gamma rate and density - logging curve respectively, and discusses far - gamma gamma rate near - gamma gamma rate and density variation caused by radioactive anomalies, and preliminarily interprets factors that could lead to the variation of density - logging curve of radioactive anomalous layer, thus explaining the reason why density - logging curve changes at the radioactive ore - layer in northern ordos basin, finally, an empirical formula for revising the distortion of density - logging curve has been established

    摘要本文概述了密度測井原理,分別對長源距計數率、源距計數率及密度曲線進行分析,對由於放射性異常引起的長源距計數率、源距計數率及密度變化情況進行了討論,初步解釋了放射性異常位密度曲線的變化因素,說明了鄂爾多斯盆地北部地區密度測井曲線在放射性礦的變化原因。
  9. On the basement of the quantitative analysis about the relationship between the rural industrialization and urbanization in gansu, the following conclusions have been drew in this paper ( 1 ) the development of town and township enterprises is the important driving force during the process of gansu ' s rural urbanization, and this point has been drew easily from the regression results showing that there is strong correlation ship between indexes about the urbanization process and ones about the development of town and township enterprises ; ( 2 ) nowadays the town and township enterprises ' driving on the rural urbanization of gansu ' s counties and restricts has seemed quite limited, because in the correlate analysis with the datum in 2003, the coefficient between the employment number of town and township enterprises and the urbanization level is only 0. 058 ; ( 3 ) there is no well mutually driving relationships between the rural industrialization and urbanization in gansu greatly because of the many existing problems such as too small business scale, capital shortage, low technique level, low quality of employees, imperfects of system etc. in the development of the town and township enterprises and the many deflects such as small scale, scattered distribution, signalized function etc. in the development of small towns

    在對甘肅農村工業化和農村城鎮化的關系進行定量分析的基礎上,得出結論: ( 1 )鄉鎮企業發展是甘肅農村城鎮化的重要推動力(回歸結果顯示城鎮化進程的指標和大部分鄉鎮企業發展的指標間存在著很強的相關關系) ; ( 2 )現階鄉鎮企業在全省各縣區城鎮化進程中的作用已相對局限(在對2003年截面數據的相關分析中鄉鎮企業就業人數和城鎮化水平之間的相關關系極其微弱,相關系數為0 . 058 ) ; ( 3 )甘肅鄉鎮企業發展中存在的諸如經營規模過小、資金缺、技術次低、從業人員素質低以及體制制度方面存在缺陷等一系列問題和小城鎮發展中存在的規模過小、建設檔次低、布局分散、職能趨同性強等問題致使鄉鎮企業發展和農村城鎮化發展在現階沒有能很好地相互推動和促進。
  10. Guided by a series of theories and methods of high - resolution sequence stratigraphy and sedimentology, the characteristics of medium - term, short - term and ultra short - term base - level cycle sequences have been studied in chang 6 member, upper triassic, fuxian exploration area, and the base - level cycle sequence structure types and stacking - patters formulized in detail. the sedimentary characteristics of two types of sedimentary facies, four kinds of sedimentary subfacies and ten species of sedimentary microfacies have been generalized. it has been researched that the distribution and evolution rule of sequence sedimentary facies

    本文以高解析度序地學和沉積學的理論與方法為指導,研究了富縣探區上三疊統長6中期、期和超期基準面旋迴序的特徵,詳細闡述了各級次基準面旋迴序結構及疊加樣式;總結了長6兩類沉積相、四種亞相以及十種微相的沉積特徵;闡明了長6序沉積相的展布與演化規律;在深入論述高解析度序地和沉積相與儲發育關系的基礎上,評價預測了本區長6的有利儲集相帶。
  11. By the types of oil or gas reservoirs, three kinds of oil or gas accumulation models fit to wuerxun depression. they are the model of oil or gas migrating and accumulating in sandstone lens or fracture traps of source rock, the model of oil or gas accumulating in fault - block or fault - screened traps through vertical migration, the model of oil or gas accumulating in structural - lithological traps migrating laterally in short instance through sandrock

    在此基礎上,根據油氣藏類型總結出烏爾遜凹陷南二油氣成藏模式有源內砂巖透鏡體或裂縫圈閉油氣運聚成藏模式油氣沿斷裂垂向運移于斷塊或斷遮擋圈閉成藏模式油氣沿砂體距離側向運移于構造?巖性圈閉油氣藏模式。
  12. A correlation was studied out here :, for experiment with sparger 1 # ;, for experiment with sparger 2 #. sparger decreased interfacial heat transfer coefficient, total clotted liquid and steam energy transfer and weakened surface temperature vibration. it also decreased thickness of hot water layer, attenuated steam condensation and shortened the time of balance

    加裝遮流板使實驗初期階的表面冷凝換熱系數hif降低76 93 ;減少了累計凝結量67以上;降低蒸汽流能量的傳遞,使表面溫度波動顯著降低;減少了熱水的厚度;減緩了蒸汽凝結的劇烈程度,大大縮了系統壓力平衡需要的時間。
  13. In the region of shorter wavelength ( r < 10nm ), measurement reflectivity is much lower than design reflectivity, so the making of high reflectivity multilayer mirrors is at the phase of exploring. the aim of the paper is to design and fabricate five mulitilayer mirrors in shorter wavelength of soft x ray region and makes up of soft x ray spectrometer which is applied to icf experiment

    本論文所完成的是在軟x射線的五個波長處(最波長為1 . 03nm ) ,研製具有實用反射率的軟x射線多膜反射鏡,並應用於慣性約束核聚變( icf )實驗中的軟x光能譜測量。
  14. But during long time, it is very difficult for the exploration and development of sandstone oil layers on the upper part of the fouth member of shahejie formation. it is mainly represented as it ca n ' t be got the optimum production test effect and ca n ' t keep long term rate - maintenance

    該區深沙四上砂巖油的勘探開發一直存在較大的難度,集中體現于不能有效獲得最佳試采效果並長期穩產,產量有時在幾天內可由數十噸降至工業品級之下。
  15. This paper is about the study on the debugging and maintenance of substation automation system the author analyzes and compares the present debugging interface of microprocessor - based protection relays through summarizing the debugging and maintenance of routine substation automation system , indicates the advantage of software debugging interface based on the pc in allusion to the characteristics of the distributed substation automation system , the author presents the design idea of programming the debugging software for the intelligent devices , the monitoring station and the communication network based on the object - oriented programmable technology this method may simplify the workload of debugging and maintenance of substation automation system greatly , shorten the time limit for building and debugging of substation automation system and improve the security and the stability of system , therefore it is of great useful value

    作者通過歸納總結常規變電站自動化系統的調試方法和維護手,分析比較了現有的微機保護調試界面,指出了基於pc機的軟體化調試界面的優越性。針對分分散式變電站自動化系統的特點,提出了利用面向對象編程技術,編制間隔智能裝置和變電站監控系統及通訊網路報文監視的智能化調試軟體的設計思想。該方法可大大簡化變電站自動化系統的調試和維護工作量,進一步縮變電站自動化系統的安裝調試工期,提高系統運行的安全性與穩定性,具有很大的實用價值。
  16. In this paper, some experiments about the algorithms and decline models above using test performance data of teflon type coat materials gained by the simulated radiation experiments are presented, and some comparative experiments are presented. compare the experimental results with the prediction result of international simple exp model and the actual experiment data among nine years in america. at the same time, do universal compares of experimental results with test data, which are obtained with various models and algorithms and different radiation time

    接著本文通過採用美國teflon型塗材料較輻照時間所得試驗數據進行參數估計和建模預測,並把實驗結果和國際通常採用的簡單指數模型的預測結果以及美國9年時間跨度的實際試驗數據進行了比較,同時還對同一種模型以及同一種演算法採用不同輻照時間對應的試驗數據所得實驗結果進行了多項比較。
  17. Millimeter - wave is close to the size of cloud particles, so millimeter - wave radar has now been constructed and operated for cloud observations. the ground - based 37 - ghz and 94 - ghz meteorological doppler radars have been the main implements to detect clouds

    毫米波更接近雲粒子的尺度,因此毫米波及厘米波雷達已被應用於雲的探測,地基37ghz和94ghz (多普勒)雷達已成為探測雲垂直結構的主要工具。
  18. In the inversion of well - log and the extraction of features, the walsh function and sequence analysis is introduced, which raises the vertical resolution, protrudes the limit of layers and extracts more effective features

    沃爾什函數及序譜分析被用到了測井曲線反演與特徵提取上,結合測井曲線的期平穩性,提高了測井曲線的縱向解析度,突出了薄界限,並提取了有效的序譜特徵。
  19. The trait of the new truss system is that the truss is independent each other and so there is a short pole between truss

    這種桁架體系的特點是各桁架相對獨立,桁架間有
  20. 1 based on the analysis of sedimentary structure and sedimentary energy, the facies model was founded. pucheng oil field is tightly adjacent to the boundary fault of dongpu depress, and it is easy to develop fan - delta and sub - fan on this location. in fact it is easy to find the sediment supply of the studying area is mainly from eastern high through the thickness map and its sand - content map

    在研究共劃分長期旋迴1個、中期旋迴6個和期旋迴27個(期旋迴規模太小,僅能在巖心上識別) ,通過測井曲線的基準面識別和對比,確定了地的分佈,結合基準面旋迴內可容空間的變化,對其沉積演化進行了分析。
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