最大氣隙 的英文怎麼說
中文拼音 [zuìdàqìxì]
最大氣隙
英文
maximum air gap-
During the process of measuring compression ratio, the viscous fluid instead of burning gas is applied to measure the maximal volume. residual volume and working volume of the engine combustion cylinder respectively
在壓縮比測量裝置中，採用粘性液體，代替發動機工作燃氣，分別測量出發動機燃燒工作室的最大容積、余隙容積和工作容積，方便地計算出發動機的壓縮比。Finally, it also discusses the sign ifi cance of thermal fluid flow to pool - forming dynamics ： ( 1 ) provides a new ex planation way to abnormal vitrinite reflectance, which can enlarge the fields of hydrocarbon exploration and development ; ( 2 ) provides some important evidences to research of hydrocarbon migration, which support to choose exploration targ e ts ; and ( 3 ) provides means to study diagnesis and porosity evolution of reservo ir rocks, which can be used to predict the development units of deep reservoir s
最後，探討了熱流體活動對成藏動力學研究的重要意義，認為其可為有機質演化異常提供新的成因解釋途徑，擴大油氣勘探領域；為油氣運移的研究提供線索，優化勘探目標選擇；為成巖-孔隙演化的動態研究提供依據，預測深部儲層發育層段。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。This thesis work has researched the fabrication technics of photonic crystal defect waveguide with air - bridge structure and collecting waveguide ; suggested using uv - lithography and wet etching to fabricate traditional waveguide, after that, using eb - lithography and dry etching to fabricate photonic crystal holes, so can reduce the fabrication cost by a big range ; designed the moulding board, which can fabricate the air - bridge structure and is convenient for recognizing position in eb - lithography ; the structure consisted of traditional waveguides and etching grooves are fabricated on soi successfully, then an successful eb - lithography is realized on the structure, the defect waveguide collected with the traditional waveguide quite well ; used the etching grooves to do the sacrificial layer etching experiment, which grounded etching sacrificial layer by photonic crystal holes in next step
提出採用紫外光刻工藝製作傳統波導結構之後，通過電子束曝光和干法刻蝕製作光子晶體小孔的工藝方案，大幅度減低了製作成本；設計出可形成空氣橋結構、並且適用於電子束曝光位置識別的光刻模板，在soi材料上成功製作出帶有空氣橋刻蝕預留槽以及接續光波導的結構，在該結構上成功實現了光子晶體帶隙波導的電子束曝光，帶隙波導與接續光波導位置接續良好；最後利用預留槽進行了刻蝕犧牲層的實驗，為下一步利用光子晶體小孔刻蝕犧牲層形成空氣橋結構打下了基礎。The distribution of the gas - flow speed is measured at a position 1cm away from the outlet ( the end with larger air - gap ). it is illustrated that the gas - flow speed keeps increasing from the out surface of the inner sleeve to the inner surface of the outer sleeve, and then it decreases gradually
測量了楔形氣隙流體出口（大間隙埠）外1厘米處空氣流速大小的分佈，發現空氣流速自轉子（內筒）壁面處開始逐步增大，至定子（外筒）壁面處達到最大值，隨后開始減小。Observation of drilling cores and casting - sections and the characters of pore structures and permeability of the matrix of the lower - ordovician carbonate in comparing with the lower limit of a reservoir for matrix reveal that the porosity, permeability, maximum pore diameter, saturation and median throat diameter in the matrix with undeveloped fissures, holes and solution pores are far lower than those of a reservoir limit although some micro - pores are developed in the matrix which therefore has no capacity of storing and producing oil - gas
摘要通過鉆井巖心和鑄體薄片觀察，根據下奧陶統灰巖基質的孔滲特徵和孔隙結構特徵，並與基質作為儲層的下限對照裂隙、洞穴和溶蝕孔洞不發育的灰巖基質，發現盡管有微孔隙的發育，但其孔隙度、滲透率、最大孔喉半徑、飽和度、中值喉道半徑等參數值遠低於儲層下限值，基本不具備儲集和生產油氣的意義。Under the guidance of new principles and methods of modern sedimentology, detrital petrography, reservoir geology, diagenesis, this thesis has carried out detailed study on paleogene formation correlation, sedimentary environment, characteristics of sedimentary facies and diagenesis of the eastern kuche depression, tarim basin, dina area being taken as the main target of the study. based on the core, geology logging, log and seismic data from 9 typical wells, combined with the data of the adjoining area, the dominant sedimentary types of the study area have been recognized and illustrated, such as fan - delta, lacus and normal delta. in terms of the analysis on the sedimentary facies of typical and connecting wells in different areas and facies belt, together with the paleogene tectonic evolution characteristics of foreland basin, the distribution and evolution of the sedimentary facies of the study area have been clearly discovered both vertically and laterally
通過對該區9口井的巖芯、錄井、測井、地震資料及鄰區資料的分析，識別並闡述了庫車坳陷東部下第三系的幾種主要的沉積相類型，如扇三角洲相、湖泊相和正常三角洲相；通過對不同地區、不同相帶典型井及連井的沉積相分析，結合前陸盆地在下第三系的構造演化特點，弄清了迪那地區下第三系沉積相的縱橫相發育展布和演化規律，並建立了沉積相模式；同時，初步開展了成巖作用、儲層孔隙演化和儲層發育模式的研究工作，科學合理地解釋了現今迪那地區下第三系儲產層主要發育在粉砂巖中的特殊現象，首次建立了下第三系儲層的發育演化模式，為庫車坳陷東部地區進一步尋找下第三系大儲量、高產油氣藏和有利的勘探區塊提供科學的、可靠的和最直接的地質依據。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動，從而影響了燃燒效率，對整機的動力性、經濟性以及排放都有直接的影響；配氣機構的形式影響充氣系數和整機噪聲等；缸蓋燃燒室決定了影響整機動力性能的壓縮比，影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙，所以燃燒室對整機動力性、經濟性、排放等都有重要的影響；氣缸蓋是整機熱負荷與熱應力最大的部件之一，熱負荷過高將不利於發動機壽命以及可靠性的提高。Electrical apparatus for explosive gas atmospheres - part 1 - 1 : flameproof enclosures " d " ; method of test for ascertainment of maximum experimental safe gap
易爆氣體環境中的電氣設備.第1 - 1部分:防火外殼" d " .斷定最大實驗安全間隙的試驗方法The gap size is the key factor which has significant influence for inductance
氣隙的大小是影響產品電感值的最關鍵的因素。Electrical apparatus for explosive atmospheres - method of test for ascertainment of maximum experimental safe gap
爆炸性環境用防爆電氣設備最大試驗安全間隙測定方法分享友人