通過口徑 的英文怎麼說

中文拼音 [tōngguòkǒujìng]
通過口徑 英文
go gage
  • : 通量詞(用於動作)
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ名詞1 (人或動物進飲食的器官; 嘴) mouth 2 (容器通外面的地方) mouth; rim 3 (出入通過的地方) ...
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • 通過 : 1 (從一端到另一端) pass through; get past; traverse 2 (同意議案) adopt; pass; carry 3 (以人...
  1. Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉槽、多層等半圓形半閉槽和多層不等半圓形半閉槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。
  2. Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for yangtze estuary is developed

    摘要對長江流、潮流和波浪共同作用下的泥沙運動規律的研究,開發並建立了長江全沙(懸沙和底沙)數學模型。
  3. ( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone

    ( 4 )採用掃描電鏡( sem )觀察缺沖擊的斷裂形貌,透射電鏡( tem )觀察納米粒子和復合納米粒子的分散情況和粒的大小;超薄切片法研究復合粒子在聚合物基體中的分散性。
  4. Avian encephalomyelitis virus ( aev ) is a picornavirus with a predilection for the central nervous system and other parenchymous organs of chickens that is transmited by the oral - faecal route. the virus may be spread by the vertical and horizontalroutes, and because of its great stability, contaminated areas may remain infectious for long periods. the egg - adapted van roekel strain is highly neurotropic and does not grow efficiently in the enteric tract of the chicken, and the field isolates of aev is usually enterotropic. despite this. the virion polypeptides of both naturally - occurring strains and the van roekel strain are antigenically identical

    侵害雞的中樞神經系統和其它實質性器官,該病毒-糞途傳播,具有水平和垂直傳播的能力。由於它極大的穩定性,被污染的區域可能長期保持傳染性。雞胚適應株vanroekel是高度嗜神經的,並且在雞的腸道內不能有效的生長,而野毒株卻是嗜腸道型的。
  5. Simulation results show that better atomization can be realized by enhancing the cavitation intensity via increasing the injection pressure difference or decreasing the nozzle inlet round angle - radius ratio

    模擬計算可知,提高噴射壓差和減小噴孔入圓角半都可以提高空穴強度,同時也發現提高噴孔長比可以使空穴在噴孔出截面上分佈更為均勻。
  6. Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay, nylon net packing around well tube filters, designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc. we succeeded in constructing 3 drinking - water wells in minqin county, proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area

    與管的調配設計,增大環狀粒料層和止水粘土層的厚度;濾水管外包尼龍紗網;粒料與止水粘土接觸界面上設計反濾層;填粒后先行拉活塞利用水力夯實粒料層,再投粘土球止掉上部鹹水等措施,在民勤縣三人飲水井施工中取得顯著效果,證明了該套成井工藝的有效性和可行性,有望為同類地區人飲水井施工提供技術示範作用。
  7. This thesis analyses the demand of the television station for an automatic broadcasting system. we made a systematic analysis by autoptical research and information which we have gotten by all kinds of ways. this systematic analysis is given to the working mechanism of the broadcasting system in the television station, and a new technique solution has been bring out to the automatic broadcasting system of tv station which use the new digital video technology. this thesis also analyses the designing process of the broadcasting part in video automatic broadcasting system. based on the serial port communication theory and network transmission theory, we designed a miniature system ground on mcu to realize long - distance broadcasting and controlling function. we designed a controlling software for this miniature system

    本文分析了電視臺對于自動播出系統的需求,在課題研究中,在電視臺實地考察和各種途搜集資料,對電視臺的播控系統工作機制進行了系統的分析,對利用最新的數字視頻技術的電視臺自動化播出系統提出了新的技術解決方案。同時本文分析了整個視頻自動播出系統的播出部分的設計程,並在串訊理論,網路傳輸理論的基礎上,設計了一套基於單片機的小型系統,實現了遠程播控的功能,並為該系統設計了計算機端的控制軟體。
  8. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束、脈寬和三倍頻光能量密度,推導出高量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  9. Furthermore, in combination with the present situation of hengsteel group, and through swot analysis, a combined competition strategy for hengsteel group is put forward that hengsteel group, taking the favourable opportunity of the big west development strategy of our country, adopt the expansion strategy to build and reconstruct a large size seamless steel pipe production line and adopt the policy of integrating cost leading and target centering

    在此基礎上,結合衡鋼集團的現狀,swot分析提出了衡鋼集團採取擴張戰略,抓住國家西部大開發的有利時機,興建和改建一條大無縫鋼管生產線的整體經營戰略和採取成本領先和目標集中相結合的組合競爭戰略。
  10. However, the complicated international - trade circumstance makes it very difficult to control the payment risks of export, and at the same time because of their own defects, the traditional trade finance products cannot satisfy the exporters ’ needs. therefore, it has a high demand for the newer and better trade finance products and forfaiting is just a suitable one as a kind of bill discounted without recourse. after entering into wto takes the opportunities and challenges to the chinese banks, and the foreign banks will try to occupy the chinese markets by their rich management experiences, high - quality services and various fianc products

    一、本文的研究目的和意義隨著商業銀行客戶群日益多樣化的發展和不斷涌現的國際貿易新形式,傳統的打包貸款、出押匯等業務品種,已遠不能滿足我國企業日趨豐富的融資需求,本文對福費廷業務的特點、風險狀況、市場前景的分析,力圖找到一條適合我國商業銀行開展福費廷業務的新路子、新思維,同時也希望能為我國這樣一個新興市場經濟國家在解決出融資方面提出一個值得大力發展的途,有利於促進我國出貿易及我國商業銀行國際業務的大發展。
  11. 5, some feasible approaches of landscape configurable adjustment are put forward according to possibility analysis of village population development and distributing over staffed, evaluation on landscape energy input benefits and landscape suitability. that is, in view of assuring farmer realize comparatively good living standard, all the summit and partial slope bench plateau ecotope ( about 325 - 473 666. 7m2 ) should be changed over forest ( grass ) landscape or other non - yielding landscape

    5 、對農村人發展和人員分流可能性分析,評價了各景觀投能效益和景觀適宜性,提出了景觀結構性調整的可行途,即在保證20年後農民達到小康水平的情況下,農田景觀中的山頂和坡臺地景觀立地單元共約325 ? ? 473畝可以改變為林(草)地景觀,或其他非生產性景觀。
  12. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    ( 3 )對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現: 60m管長的毛管平均壓力水頭的位置基本上在距第一孔的有效管長40 - 45的地方;大部分水頭損失發生在毛管的前半部分;壓力均勻度隨孔的增大而減小,但與初始工作水頭關系不密切;在1 . 5m以下的工作壓力下運行,沿程出流均勻度隨孔的增大而降低,當孔不大於1 . 0mm時,灌水均勻度可以達到60以上;當孔大於等於1 . 2mm時,灌水均勻度低於50 。
  13. The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory

    第一章主要討論營運船舶運輸成本,對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析,從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢;第二章研究了船舶動力裝置的經濟性,在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途等方面進行了闡述和論證;第三章詳細論述並論證了航次變動成本的控制措施,全面系統地分析和總結了航次變動成本,對燃油成本、港使費、航次風險成本的分析與控制,提出了航次風險成本的概念並論述了若干航次風險成本的控制措施;第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施,提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟,對于備件、燃潤物料的控制堅持以科學的預算為前提,以申領、接收、使用、盤存為控制環節,切實做到理論與實踐的密切結合;第五章,結合營運成本的預核算的案例,對船舶營運成本的預算及核算進行了有益的探討,旨在揭示成本發生的動因,並給出了成本預算、核算的編制方法。
  14. When enterprise ' s resources and capability exist insufficiency, it is the key decision how to make up the resources, the capability gap

    當企業的現有資源、能力不足時,什麼途彌補資源、能力上的缺
  15. Based on a general overview of firm performance assessment theories, this study makes a comparison between traditional performance measures and strategy - oriented performance measures, analyzes the existing performance measurement system of the national aviation oil companies. the thesis has a literature review of the balanced scorecard researches and applications, expounds the advantages of the balanced scorecard over traditional measurement systems in revealing the intension of firm performance, analyzing the critical factors behind firm performance and providing information support for firm strategy, documents the relationship between the balanced scorecard and firm strategy, and puts forward the idea of strategic performance. by using the data and background information from one of those national monopoly oil companies, this study a ppraises the limits of this sort of companies " performance measurement system, applies balanced scorecard method to this kind of national monopoly oil company, designs questionnaires to collect experts " opinions, colligates the opinions, selects kpis, builds experimentally the first strategy performance assessment indicator system in this kind of company, determines the indicators " parameters, uses the real corresponding data to measure the 6 business lines of this company, through comparing the assessment result with the strategic standard, a conclusion is drawn and suggestions are put forward about how to exploit the performance potential under present conditions

    在對績效測評理論進行回顧的基礎上,本文研究了傳統測評指標體系與戰略導向的測評指標體系的區別,總結了中國航空油品經營企業的績效測評現狀,對平衡計分卡理論研究和應用進行了綜述,分析了平衡計分卡在揭示績效內涵和影響績效的因素、發揮績效測評的信息作用等方面的優勢,論述了平衡計分卡與企業戰略的關系,提出了戰略績效的概念,並結合某壟斷性油品經營國有企業的實際,評述了此類企業傳統績效測評指標的局限性,借鑒平衡計分卡思路,設計調查問卷、收集專家意見並加以綜合分析等工作,選取關鍵績效指標,探索性地建立了中國壟斷性航油經營國企的首個企業戰略績效測評指標體系,並確定了指標有關參數,對應指標的統計採用經調查獲得的測評所需數據,對該企業6個業務板塊的績效進行測評,對比分析得出在現有條件下如何挖掘潛力的結論和建議。
  16. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,分析喂料在不同直和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長比的合理取值范圍,並得出改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;分析採用不同位置澆注射時注射件關鍵位置單元的流動速度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆設置。
  17. 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段,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;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,佔用耕地多,直接影響農業的發展,影響小城鎮的地位和作用;小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺較大,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層次分析法( 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,並給出了評價程和方法。
  18. The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series, and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture

    摘要用拉蓋爾高斯截斷級數模擬了任意半的圓孔硬邊光闌窗函數,並應用於研究高斯光束和零階貝塞爾高斯光束硬邊光闌的衍射。
  19. The process of effluent flow during loading in self - propelled trailing suction hopper dredgers was simulated by way of physical modeling and was measured and analyzed by using the flow rate and concentration of spoil in the hoppers, particle sizes of sediments at the inlet and outlet of the effluent flow pipe and hopper volume as the major control parameters

    摘要物理模型試驗模擬自航耙吸挖泥船裝艙溢流施工程,以艙內流速、艙內濃度、溢流進出泥沙粒、裝艙量幾方面為主要控制因素,進行實測、分析,並比較自航耙4種常用裝艙裝置的消能效果。
  20. There are a number of ielts speaking books on the market but this book aims to break new ground by focusing on how to prepare for and achieve a speaking score of 7 ( or maybe higher )

    市面上關于雅思語考試的書並不少見,但本書旨在重點關注如何獲得7分(或更好)的成績來開辟新的備考蹊
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