計數管頭 的英文怎麼說
中文拼音 [jìshǔguǎntóu]
計數管頭
英文
counting head-
This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation
應用流體力學理論結合碼頭結構建設,分析了地下水排泄過程,藉助管道和碎塊石盲溝建立了港口碼頭快速排水與擋墻基床排水的方法;運用質量守恆定律和地下水滲流原理,建立了港口碼頭排水計算數學模型和排水過程計算公式,並用在了碼頭的穩定設計計算中。And due to the heat expansile coefficient of the stainless steel rather high, the connecting force between the stainless steel pipe and the pipe coupling in the room temperature is much less than that between the titanium alloy pipe and the pipe coupling. the results accord with the tensile experiments well. finally, the dependence of dimensions of the coupling on the strength of the connector system is analyzed
模型計算還表明,被接管材料和管接頭材料之間的熱膨脹系數的差異會造成管接頭系統的室溫強度低於高溫強度;由於不銹鋼的熱膨脹系數較大,使得室溫下1不銹鋼管與n立tinb形狀記憶合金管接頭間的抱緊力遠小於鈦合金管與nitinb形狀記憶合金管接頭間的抱緊力,成功地解釋了拉脫實驗中的結果。The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature
通過分析管接頭結構以及制備、使用的各個步驟,運用固體力學的基本理論,結合nitinb形狀記憶合金在約束下的回復規律,對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析,建立了強度的數學模型,通過編程計算,研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil
採用有限元計算分析的方法,對頂管施工引起的地層運動及地表位移進行研究,分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。( 5 ) it was more precise for using darcy - weisbach formula to calculate the hydraulic pressure slope curve in the lateral line, but too complexity. although i - pm wu formula is simple, the estimated results were not agreement with the measured data. a coefficient including irrigation uniformity was presented to modify i - pal wu formula, and the results were agreement after using the coefficient
( 4 )利用達西?韋斯巴赫公式計算微孔毛管的沿程水頭損失具有較高的精度,但計算復雜,吳義伯公式計算雖較簡單,但在灌水均勻度較差時誤差較大,為此對吳義伯公式進行了修正,提出了修正系數的計算經驗公式,取得了良好的結果,為簡易地下滴灌工程設計中水力計算建立了簡化公式。Methods : to divide the anatomic area into several parts : sigmoid sinus, jugular bulb, semicircular canal, internal acoustic meats, cerebellopontine angle area, duramater. simulated the partial labyrinthectomy and endoscopic surgery on 20 adult cadaveric specimens, measured correlative data, observed correlative anatomic structure. all data analysied by sas
方法:在20例40側成人屍頭上模擬迷路后徑路橋小腦角區內鏡手術和部分迷路切除術,將相關解剖結構分為乙狀竇、頸靜脈球、半規管、內聽道、橋小腦角區、硬腦膜等幾個區域,分別觀察相關解剖結構及測量相關數據,測量結果用sas軟體進行統計學分析。2. based on the results of experimental data of the tailrace surge tank of yi xing pumped - storage station in jiangsu province, this research investigates the methods for the head loss coefficients of throttled surge tank with linking pipe by means of the method which incorporates experimental results with theoretical analysis
結合江蘇宜興抽水蓄能電站尾水調壓室水力模型試驗成果,採用理論計算與模型試驗結果相結合的方法,對有連接管的阻抗式調壓室局部水頭損失系數的計算方法進行了討論。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。At the beginning of the paper, a literature review on the domestic and abroad researches of container terminal logistics system is provided introducing some computer simulating model technology apply case on container terminal logistics system on the domestic and abroad ; secondly this article introduce the element and characteristics of container terminal operation system, specially operation flow, controlling principle ( including gate testing principle, ship controlling principle, quay operating principle, yard i / o operating principle, yard running system ), followed by quality evaluating index and empiristic formulas of container terminal. at last, the paper introduces the basic components, layout, loading and unloading process flow of tian jin container terminals, evaluates the related performance parameters and at last introduces some related empiristic formulas based on the historical data of an actual terminal
本文首先回顧了國內外集裝箱碼頭物流系統的研究動態,介紹了國內外計算機模擬技術在集裝箱碼頭物流系統模擬中的應用情況,然後介紹了集裝箱碼頭作業系統的組成和特點,以及其裝卸工藝、作業流程、操作原則(包括大門檢查箱作業原則、船舶調度管理原則、碼頭前沿操作原則、堆場存取箱作業管理原則、堆場管理系統) ,接著介紹集裝箱碼頭系統的性能評價指標和碼頭通過能力經驗公式及出入口車道數計算,並結合天津港集裝箱碼頭物流系統的特點,系統地介紹了天津港集裝箱碼頭的基本組成、布局、裝卸工藝、作業流程后,評估了集裝箱碼頭物流系統的相關性能指標,並結合實際碼頭的歷史數據,介紹一些相關的經驗公式。Segment joint stiffness k ( subscript ) is an important parameter for the design of shield tunnel segment
摘要盾構管片接頭彎曲剛度k (下標)是盾構襯砌結構計算中的一個重要參數。Eight trapezoid labyrinth flow - channels are designed through modification to the cell dimension and the number of flow cells based on the parameterized structural design. integral emitter prototypes combining exterior hull and exterior flow - channel are built using rapid prototyping technique, and structural dimension of those flow - channel are measured by optical microscope, the measuring results showed that the design can completely meet the requirement of emitter accuracy
文中以參數化的設計思想,通過改變梯形迷宮流道單元尺寸和單元數設計了8種梯形迷宮流道,採用快速成形技術製作出外管與內迷宮流道一體化的滴頭原型;利用最小標注尺寸為50nm的光學顯微系統對滴頭流道結構尺寸進行了測量,分析結果顯示流道尺寸精度完全滿足滴頭的製作要求。My nation looks forward to increased exchanges between our armed services, regular defense minister meetings such as the one that will take place between minister chi and my colleague secretary perry next month, and more port calls like the one paid by the u. s. s
此約仍然是美國武器管制的重大成果之一,若其執行出現問題,會危及俄羅斯正在進行的裁減核武行動。只為了預防還不存在的威脅就放棄裁減數以千計的核子彈頭,實在不值得。This paper analyses current situation of chp and situation of development, use evaluating energy utilization - - based on electricity comparing with state calculated method - - based on heat, calculates the operating data of baotou second thermal power plant heat supply system , extends the study of heat supply performance to heat net and heat consumer, synthetically analyses heat load characteristic 、 pipe net property and heat supply distance witch effect heat supply cost. the paper studies the thermal power performance of thermal power plant total energy system, discuss heat supply cost which effect the development of chp
本文對熱電聯產的現狀及發展情況進行分析,採用能源利用系統性能評價指標體系及其評價指標? ?電量法與國家目前採用的法定計量方法? ?熱量法進行比較,通過對內蒙古包頭第二熱電廠供熱熱源系統及供熱熱網系統的熱電聯產運行數據進行分析計算,將供熱過程的熱力性能研究延伸至熱網和熱用戶,分析用戶終端的能源利用情況,針對內蒙古地區主力機組和地區條件,綜合分析了熱負荷特性、管網性能及供熱距離對供熱成本的影響,研究了熱電廠總能系統的熱力性能,對困擾熱電聯產的供熱成本進行了探討。In the end of the paper, the development of the software is introduced and an example for floating - end heat exchanger design is given to show the usefulness of the system and the effect. the method presented in this paper makes use of database to save and manage the standard sizes data and makes use of drawing libraries to save and manager the parts and assembly drawings. the theory of fixed patterns with flexible sizes is used to generate the parts and assembly drawings
文中提出的方法充分利用了數據庫技術對換熱器系列標準化尺寸數據進行有效的存儲與管理,利用圖庫對結構相同或相似的視圖進行分級分類存儲與管理,利用「死圖活尺寸」的圖形生成原理快捷地生成各種型號浮頭式換熱器的零部件圖和裝配圖,實現了浮頭式換熱器的輔助設計計算和自動繪圖的功能;所開發的軟體使得換熱器設計中許多實際問題得到圓滿解決,軟體開發方法具有通用性,對其它類型的換熱器輔助設計系統的開發有重要的參考價值,在該領域中將有良好的應用前景。External diameters of cylindrical radiation probes containing geiger - m ler or proportional counter tubes or scintillation detectors
裝有蓋格-彌勒計數管或正比計數管或閃爍探測器的圓柱輻射探頭的外徑For the sake of the research about hydroelectric interfere among machines, the article utilized the simulink in matlab as simulating tool, meanwhile established the simulating model about two high head diversion water turbines regulation system in violent fluctuating pressure sharing one head race tunnel and surge tank and one penstock. then calculated the load rejection transition process by means of the real parameters of a hydro power station, analysed the interfere of hydro power station safety and stable nenring brought by hydroelectric interfere and put forward a series of measures that lightening the hydroelectric interfere
為了研究機組間的水力干擾,本文採用matlab下的simulink作為模擬工具,建立共用有壓引水管道、調壓井、壓力主管的兩臺高水頭引水式水輪機調節系統大波動時的模擬模型,引入實際電站的參數,對甩負荷過渡過程進行了模擬計算,分析水力干擾對電站安全、穩定運行所造成的影響,並提出了一系列減輕水力干擾的措施。Millions. at present, these are more than 500 employees in our company ( including over 10 medium & high grade managerial personnel ), and it occupies over 5, 000m2, which is an enterprise specilized in the production of jacks, merging managerial modernization, marketing globalization, intelligent office operation and comprising manufacturing, sales, technical development and design into the whole. now we have telephone jack, computer jack, ft2 clipped connection module, telephone wall module jack, net exchanger, rj11 and rj45 connector and so on over 200 products
管理人員數十人,工廠佔地面積5 , 000平方米,是一家管理現代化,產品營銷全球化,辦公操作智能化以及集技術開發、設計、生產、銷售於一體的專業接插件生產企業。公司現有電話、電腦插座、通訊卡接模塊、電話接線盒、網路轉換器及rj11 、 rj45連接頭等200多種產品。In the selective calculation module, the calculations of heat exchanger design, the analysis of pipe setting patterns are combined with the database so that the selective calculation sub - system is developed. considering the factors such as uniform flowing of the fluid, smaller inner radius of the shell, the well heat exchanging effect and saving materials, the pipe setting module is developed based on the designing data. in the module for automatically generating parts and assembly drawings, the database of pattern sizes and the drawing libraries are established according to the classifications and series
在選型計算模塊中,通過換熱器設計計算、管束組件的布管方式分析、數據庫的檢索,開發了浮頭式換熱器輔助設計計運算元系統;在布管定型模塊中,按照確保殼程流體流動均勻、且換熱器殼體的內徑較小、管程殼程間換熱良好且節省材料的原則,根據設計計算參數建立了自動布管定型系統;在零部件圖和裝配圖自動生成模塊中,分級分類地開發了浮頭式換熱器所有零部件圖和裝配圖的圖紙尺寸數據庫和圖庫,運用「死圖活尺寸」的開發理念,開發了圖形自動生成與管束參數化設計的集成系統。Qqct is equipped with 24 super postpanamax quay cranes of max. 70 tons / 70 meters and 77 rubber tyred gantry cranes and operated with the most advanced terminal management system navis sparcs / tms connected with radio data terminals for the most efficient and real time terminal management
技術優勢:現配備24臺最大負荷70噸/外伸距70米的超巴拿馬型集裝箱裝卸橋吊、 77臺輪胎吊,與國際先進的碼頭生產管理系統sparcs / tms和無線數據終端相連接,實現準確、高效、實時的計劃管理,提供方便快捷的客戶信息查詢。This paper analyzed the situation of substation equipment reparation and management of baotou electric power bureau and presented the plan of management information system of substation equipment reparation. the paper designed the structure of management information system of substation equipment reparation. the paper designed five databases such as working ticket management, power supply cut application ticket, oil test management, electrical meter test management and high voltage test management
本文分析了包頭供電局變電檢修管理的現狀,提出了變電檢修管理的信息化解決方案,並進行了系統總體設計,在統一數據平臺基礎上進行了數據庫設計和規范化的代碼設計,建立了工作票管理、停電申請票管理、油務監督管理、儀表監督數管理和高壓監督管理5個專業數據庫。分享友人