試驗管段 的英文怎麼說
中文拼音 [shìyànguǎnduàn]
試驗管段
英文
test section- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 段 : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
- 試驗 : trial; experiment; test
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Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning
通過對樣機的試驗分析和研究表明,汽車空氣燃油加熱器在整個工作過程中,其排放存在以下三個問題:一、開機和關機兩個階段的排放問題嚴重,廢氣中hc和co的濃度值及煙度測量值都很高;二、因點火系統和燃燒結構的缺陷而導致開機后一段時間內有油滴從滴油管滴落;三、在點火過程中,會出現因操作不當而點火失效的現象。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。Backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder
從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。Abstract : backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder
文摘:從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method
本文分析了海水管路系統內流噪聲的產生機理,介紹了流噪聲的控制方法;分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點;通過海水消聲器試驗測量臺架,利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲;用測量小室對水消聲器在低頻段的插入損失進行了測量。Presented in this thesis is a model test of the arch ribs segment with concrete filled steel tube ( cfst ) of maocaojie bridge, which is located in the yiyang of the hunan province and provides the engineering base for the test
本文以湖南省益陽茅草街大橋為工程背景,進行了茅草街大橋主拱圈鋼管混凝土拱肋拱頂1 : 5節段模型試驗。Experimental study of gas flowrate transient characteristics of slug flow in horizontal pipelines
水平管段塞流氣量瞬變特性試驗研究To discuss the feasibility of applying this technique into the practice of engineering, this paper references the real project of the running tunnel from great showplace to scientific house in shenzhen metro, uses the geotechnical centrifuge of southwest jiaotong university, then researches the settlement of the ground and the influence on the pipeline underground in stratum with abundant water by the technique of undraining spin - spay pile, at last draws a conclusion about the principle of the ground settlement with the construction method of excavating soil rich in water without dewatering at shenzhen metro
為了探討離心模型試驗技術這一研究手段在地下工程中應用的可行性,結合地質、水文、結構較為復雜的深圳地鐵大科區間暗挖施工sk3 + 355斷面的具體實例,應用我校新近建成的100gt土工離心試驗機,採用離心模型試驗技術對在富水地層應用水平旋噴樁工藝進行控制降水施工對地表沉降變形及地下管線的影響進行了研究。In the simulation of close water test, varied profiles of velocity of flow are obtained at different leakage location along the detected pipe, the variety values of the water level in the check well are acquired with time, consequently the location of the leakage can be judged
在閉水試驗時,通過模擬沿管道長度方向上不同滲水點的流速的變化,以及得出窨井出口處的水位隨時間的變化值,來判斷管段中最有可能出現滲漏點的位置。During this course, mathematic methodology and graphic tables got from the real emulating environment are employed to put my point of view through. i try to upgrade some of the function in this system by adding new ideas into the opening subsystem nqs, including load distributing and resource management among the machine group
並對作業管理系統中目前很多研究機構還在開發的集群負載均衡技術、資源管理技術進行嘗試拓展,在闡明觀點的時候,作者使用了數學的表示方法、實際試驗圖表等輔助手段說明作者理解。For the velocity survey the pitot-static tube is moved around the jet, and the dynamic pressure is measured at numerous stations.
為了測量速度,可把皮托靜壓管放在試驗段內各個地方並測量多點上的動壓。At high speed and hot exhaust flow conditions, a preliminary experimental investigation on the divergent wall cooling of two dimensional c - d nozzle had been conducted
摘要在高速熱噴流條件下,對二元收擴噴管超音段壁面的冷卻進行了初步試驗研究。Sur rk, singh dp, sharma sc, et al. radiation therapy of esophageal cancer : role of high dose rate brachytherapy [ j ]. int j radiat oncol biol phys, 1992, 22 : 1043
盛曉芳,梅步鐸,柴明禮,等.后程加速超分割放療中胸段食管癌的臨床期試驗[ j ] .中華放射腫瘤學雜志, 1998 , 7 ( 2 ) : 86In the simulation of close gas test, the location of most possible leakage of pipe is judged according to the changing speed of gas pressure at difference leakage positions
在閉氣試驗時,可通過不同漏氣點壓力值的變化速度的快慢來判斷最不利管段的位置。In the end of the dissertation, a tube lifetime evaluation software system is developed with the utility of the finite element analysis stress computation and the metallographic tests. the lifetime of the platen superheater tube is evaluated by the software system
最後,綜合以上應力解析法、有限元應力計算和余相試驗研究開發了管件壽命評估軟體系統,並使用該系統綜合評估了屏式過熱器管段的壽命。Through experimental detection methods of macro inspection, chemical composition analyzing, mechanic performance testing, micro metallography analyzing and x ray diffraction, the blowout reasons of low - temperature superheater tube were analyzed in the process of boiler operation
摘要通過宏觀檢查,化學成分分析,機械性能測試,金相檢驗和x射線衍射等試驗檢測方法,對鍋爐運行過程中低溫段過熱器管爆裂原因進行了分析。These five stages are : the preparative stage for the establishing of chinese futures market ; the experimentation and the initial development stage ; the stage of malformation because of over investment ; the formative stage of chinese futures market under reinforced regulation ; the normalization and healthy development stage of the futures market
這五個階段是:中國期貨市場建設的理論準備階段;中國期貨市場試驗和初步發展階段;由於投機過度引起的畸形繁榮階段;加強監管下中國期貨市場格局形成階段;中國期貨市場規范和健康發展階段。Examinations of steady status and analysis of dynamic experiments have been conducted on band - tube evaporator and parallel - flow condenser using r134a refrigerant. the steady examination show that the model error was under the allowable error, the inlet mass and enthalpy disturb experiments indicate that the subsection model, be good at reflecting the change of parameters of the heat exchanger, accord with the basic principle of thermodynamics theory and the actual work status. hence, the subsection simulation model research has important benefits both on theory and engineering application
在進行模擬試驗時,以使用r134a作製冷劑的管帶式蒸發器和平行流式冷凝器為對象,完成了穩態模擬計算、試驗和動態模擬分析,穩態計算結果和試驗數據對比表明,其誤差在允許范圍內;進口質量和焓值的擾動試驗結果表明:本文所建的區段式換熱器模擬模型,能很好的反映換熱器性能參數的動態變化,與系統熱動力學理論和冷凝器、蒸發器的實際工作過程基本一致。Along with the development of our country ' s infrastructure, more and more high quality highways have been emerging in many areas such as soft clay ground, airdrome, etc. for the soft clay deformation, although there have been plenty of systematic achievements on the calculation theory and testing method have been made, but as the characteristic of soft clay is very complicated, and especially as creep characteristic of the soft clay is the key role toward the project quality
隨著我國基本建設的發展,在軟粘土地區興建高速公路、機場跑道等高等級道路同益增加。盡管目前對軟粘土變形的計算理論和試驗手段都有了較系統的研究成果,但由於軟粘土性質極為復雜,特別是其流變特性對工程質量起著很大的決定作用,影響建(構)築物工后沉降的控制,使得其計算結果仍與實際有較大差異。分享友人