試驗段壁 的英文怎麼說

中文拼音 [shìyànduàn]
試驗段壁 英文
working section boundary
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • 試驗 : trial; experiment; test
  1. In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比,其優點在於:耕地無開、閉壟,地表平整,降低了耕后整地的能量消耗,減少了地頭的空行程,因而大大提高班次生產率。為了滿足犁體梭式作業的要求,我們採用了一隻小容積雙作用的液壓油缸;同時對犁曲面的形狀採用了近似圓柱形的對稱設計。但經過一時間的田間,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重;主犁梁和油缸缸體的連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法正常工作。
  2. Being deficient in sonic fatigue testing and owing to the limitations of nomograph method application to the sonic fatigue life prediction, an analysis software program was designed and worked out in present thesis, based on the research achievement in prediction of sonic fatigue life, which strong function, easy use and great extensive capabilities

    本文針對現階聲疲勞的不足,以及工程中常用的諾謨圖方法的局限,整理了目前比較成熟的典型蒙皮板聲疲勞壽命研究成果,提出設計並編制了一套功能強、易於使用,可擴展性好的聲疲勞壽命預測及分析平臺。
  3. 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、徑向流速分佈及井壓強等;二、提出了豎井空腔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研究,發現消力井合理深度為0 . 9d左右;五、通過研究,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。
  4. Taking bench shooting of the shuibuya yihongbao project as example, it makes use of the digital television system of drilling overall - hole wall to actually measure, the testing result of lateral fractural range is 4 - 5m, and that of bottom fractural range is about 3m

    本文工作是以水布埡溢洪道工程梯爆破為實例,採用鉆孔全孔數字電視系統對混裝乳化炸藥爆破破裂范圍進行了實際測,測結果為:側向破裂范圍為4 5m ,底部破裂范圍值為3m 。
  5. Test results show that the ignition process of pc in ignition chamber includes three stages. the effects of velocity, pc concentration and wall temperature on the ignition of pc are studied

    結果證實煤粉氣流在感應加熱點火室內的著火過程分為三個階,揭示了煤粉入口速度、煤粉濃度、點火室面溫度對煤粉氣流著火的影響規律。
  6. Though much progress has been achieved in previous study, there still remains a lot to be studied and perfected. the thesis is devoted to study on the multi - ribbed slab wall, the main bearing member in mrss, including its mechanism, failure mode, aseismic capability, mechanical models, ultimate bearing capacity and aseismic design based on control. the paper mainly accomplished such work as follows : 1 ) based on test research on multi - ribbed slab wall, the paper proposed the member ' s failure modes under horizontal loads, analyzed the co - performance between the inner frame and the infilled silica bricks and that between the slab and the outer frame, discussed the wall ' s bearing capacity, rigidity, deformation, ductility and energy dissipation ability in different modes, and put forward a simplified mechanical model of the slab wall under vertical loads

    本文針對密肋板結構的主要受力構件? ?密肋復合墻體為研究對象,就其受力機理、破壞模式、抗震性能、三階力學模型、極限承載能力以及基於控制的抗震設計方法等進行了較為詳細的研究,完成的主要工作有: 1 )通過對密肋復合墻體在水平低周反復荷載和單調荷載作用下的研究,提出了墻體的主要破壞模式;分析了框格與內部填充砌塊、墻板與外框的共同工作的受力特點;探討了不同破壞模式情況下墻體的承載能力、剛度、變形、延性、耗能等抗震性能,並給出了豎向荷載作用下密肋復合墻體的簡化力學模型。
  7. To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "

    本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限厚研究」 ,針對起重機捲筒傳統設計方法偏於保守的情況,以薄殼理論和近代力學為基礎,以現代技術為研究手,對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究,在深入開展捲筒強度、穩定性和實模態分析等的基礎上,提出了有別于傳統方法的捲筒強度、穩定性計算方法。
  8. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手,在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動,將結果與疲勞曲線進行對比,分析了門石窟的疲勞破壞效應。文章指出,在經歷了1500多年的風化和流水溶蝕后,振動環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的面雕刻品等產生疲勞破壞的重要誘發因素。
  9. The calibration of a closed throat will not suffice if the walls are removed to make an open throat.

    如拆走洞形成一個開口,則閉口用的校測結果就不夠充分了。
  10. 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面的冷卻進行了初步研究。
  11. The results show that at the initial stage, the temperature difference between internal and external wall surfaces is considerable and the temperature distribution is not uniform ; the initial stage belongs in dangerous time period because of the considerable temperature stresses

    結果表明:加載初期儲罐內外表面溫差較大且分佈很不均勻,是罐產生較大溫度應力的危險時間
  12. Through searching on the technical property of such pile, taking two foundation treatments as project background which are soft foundation treatment of wuhan dongxihu segment of the jingzhu freeway in hubei province and bridge foot protection at hebi xingfu eservoir in henan province, this paper carries out test study on active mechanism of crushed stone pile filled with cement slurry and its application in dealing with high earth filled soft ground and bridge foot protection

    通過對無砂混凝土小樁技術特點的探討,以湖北京珠高速公路武漢東西湖軟基處理和河南省鶴市幸福水庫公路橋梁基礎加固為工程背景,就無砂混凝土小樁的作用機理及其處理高填方軟基和橋梁基礎加固等方面展開研究。
  13. Stress response of the tower wall at the least favorable section of all of the single section on the cable tower anchor segments of the cable - stayed bridge was studied under the annular pre - stress with cable force and tensile force by comparing the experiment results of the full - scale model of segment with the results of the finite element simulation analysis according to the forced status of the cable tower under practical conditions

    摘要通過索塔錨固區節足尺模型結果和有限元模擬分析比較,結合索塔受力的實際工況,對異型截面斜拉橋索塔錨固區節最不利斷面在環向預應力與索力共同作用下塔的應力響應進行了研究。
  14. Abstract : acoustical experiment of low noise wall models for testingsection in transonic wind tunnels is introduced in this paper

    文摘:介紹了跨聲速風洞低噪聲板模型的聲學
  15. In this paper, the spatial structure of the low - speed streaks and particle motion in the near wall region of turbulent open channel flow were observed on the side and bottom of a water flume, respectively, using flow visualization and image processing techniques

    本文以研究為主要手,採用流動顯示和圖像處理技術,從水槽底部和側面兩個方向測量,分別對明槽紊流近區的帶狀結構及顆粒運動特性進行了系統的研究。
  16. In this paper, load carrying mechanism, lateral displacement, and design and calculation procedure of lightweight frame structure of multi - ribbed wall panel are studied with chief achievements as follows : based on the test, which a ten - story building model of lightweight frame structure of multi - ribbed wall panel with ratio 1 : 3 is studied though the pseudo - dynamic test, the wall is considered as a plane compound substructure, and space frame - plane compound substructure computational finite element model is given

    本文就密肋板輕框結構在彈性階的受力機理、設計計算方法及側移進行了探討。主要完成下列工作:在10層密肋板輕框結構1 / 3比例房屋模型擬動力研究的基礎上,將墻板視為平面復合子結構,建立空間框架? ?平面復合子結構有限元分析模型,對1 / 3比例房屋模型進行數值分析。
  17. In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described

    汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械,由於安裝或運行中的原因,在轉子旋轉過程中,可能和器發生輕微的摩擦和碰擊,簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數,而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場都表明這種方法對碰摩檢測很敏感,在碰摩發生的起始階,包絡譜中與轉速同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹
  18. Nowadays, the pcc pile have been widely used for soft ground improvement and application of foundation engineering. the behavior of pcc pile, that subjected to lateral load has been studied in this paper. the behavior of the pcc pile has involved moment and horizontal displacement and load of pcc pile. they are studied by in the physical model experimen, field test finite element numerical analysis, and exponential progression solution. in additional, the comparatively computal analysis are carried out among pcc pile, cast - in - situ concrete circular pile, prefabricate concrete square pile, and obtain some signification conclusion

    本文主要圍繞現澆混凝土薄管樁(以下簡稱pcc樁)這一新型的樁基結構型式的水平承載性狀展開研究,通過室內模型、現場、有限元數值模擬分析及彈性冪級數解析法分析等手,對pcc樁水平承載的樁身受力性狀,樁身撓曲位移,樁身彎距分佈,樁與樁周土相互作用的地基反力等幾方面進行了初步的探討和研究,最後將pcc樁與目前工程中的兩種常用於承受水平荷載的樁型進行對比計算分析,得到有意義的結論。
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