拉平分佈 的英文怎麼說
中文拼音 [lāpíngfēnbù]
拉平分佈
英文
flattened distribution-
This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure
本文以軍用機場地面單機掩蔽庫工程建設為工程背景，首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況，忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用，首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程，建立了有限元計算模型，並採用三角函數法，求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應，並與普通殼體進行了比較。The results show that distinct " bench " distribution rule takes on for the subsidence and distortion of bench - shape slope surface ; the movement range of bench - shape slope surface is smaller but its distortion is larger than those of flat surface and concentrated distortion occurs at every bench plan ; the surface horizontal distortion of bench - shape slope is still pressed in gob centre and tensioned in both sides of gob ; space - time effect should be taken into account for the stability of bench - shape slope influenced by underground mining
結果表明：露天煤礦臺階狀邊坡體的采動沉陷規律表現出很明顯的「臺階」分佈特點；臺階狀邊坡地表的移動范圍比平地地表要小，但變形卻更劇烈，且在各臺階平面處形成變形集中；臺階狀邊坡地表的水平變形仍然呈現出采空區中間受壓，兩端受拉的特點；臺階狀邊坡在地下開采擾動下的穩定性應考慮采空區的時空效應。Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years
本文採用1950 - 1999年北太平洋海表溫度（ sst ） 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場等資料，利用eof 、 svd 、小波分析、合成分析和相關分析等方法，在分析北太平洋海溫時空分佈特徵的基礎上，著重探討了海溫異常及其年代際變化對我國東部降水的影響，並對降水、高度場和海溫三者之間的關系進行了分析，以試圖尋找三者異常之間可能的聯系，主要結論如下： （ 1 ） 1976年前後，北太平洋海溫經歷了一次明顯的轉變，赤道中、東太平洋厄爾尼諾海區由冷轉暖，暖水范圍增大，中緯度西風漂流區海溫由暖轉冷；在這樣的年代際背景下，厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵：在76年前，拉尼娜事件發生頻率高，持續時間長，事件起始於負海溫距平；而76年後，則是厄爾尼諾事件發生頻率略高，持續時間長，強度增大，事件起始於正海溫距平。The method is used to study the singularity distributions for different orientations of the mobile in a oblique plane. by parallel translation of the oblique plane, the singularity distributions are derived in three - dimensional space
用這種方法分析了各種歐拉角（ ）姿態下在一斜平面上的奇異分佈情況，通過斜平面的平行移動，可以得到機構在三維空間中的奇異分佈。This important tectonic zone parallel to the isotopic geochemical steep zone, which represented a suture line between the yangtze and cathaysian blocks. the geochemical evidence of the jianshui volcanic rocks from the sw part of shizong - mile zone shows that their lithologic types are tholeiites with the comparative flat ree patterns and enrichment in th, depletion slightly in nb, ta, and flat hfse. thus, they may be formed in a back - arc basin with the characteristics between morb and island - a
該構造帶西南段的建水火山巖地球化學特徵研究表明，該火山巖為拉斑玄武巖，具有較平坦的稀土分配型式， th較富集， nb 、 ta輕微虧損，高場強元素分佈較平坦，具有介於島弧和morb之間的地球化學特徵，可能形成於弧后盆地環境。Using the daily and monthly ncep / ncar reanalysis data from 1951 to 2000 and monthly precipitation of 160 stations in china in summer from 1951 to 2000, the climatic distribution of heat source are computed. the responses of the asian monsoon circulation to the annual anomaly of the heat source over the bay of bengal in summer and the annual relationship between the heat source and the precipitation of china in summer are analyzed
摘要利用1951 - 2000年ncep / ncar再分析逐日及月平均資料和我國160個測站1951 - 2000年月降水量資料，計算了夏季大氣熱源氣候分佈，分析了夏季孟加拉灣地區熱源年際異常及亞洲季風環流系統的響應，以及夏季孟加拉灣地區熱源與中國夏季降水的年際關系。The distribution of lrgr summer mean rainfall was determined by the obstructing effect and two stronger ascending airflow that come from bengal bay and south sea and converge around corresponding windward slopes ; the general circulation distribution in meridional section is equal, which showed the passing - effect of lrgr
縱向嶺谷區多年平均夏季降水空間分佈主要由縱向嶺谷的「阻隔」效應，以及夏季從孟加拉灣來的氣流和從南海來的氣流在相應迎風坡面輻合，形成兩支較強的上升氣流所致；而縱向剖面大氣環流的變化則較為均勻，顯示了縱向嶺谷的「通道」效應。Based on the analysis of distribution of upper jurassic and lower cretaceous strata and basin - controlled faults, tanlu fault zone strike slip to develop the three nw - trending grabens from north to south western to tanlu fault zone in late jurassic and early cretaceous, which are bohai graben, jiyang graben and luxinan graben. based on the analysis of regional geology, the basic tectonic pattern of bohai basin is the cenozoic basin pattern since early paleogene. the outline, structure, deposit characteristics and heat flow distributions show that the basin is pull - apart basin in cenozoic time. the tectonic evolution pattern can be reconstructed based on the analysis of cenozoic strata, deposit thickness, location and activity of basin - controlled faults in the different depresses in bohai basin. the characteristics of structure and depositment in this mesozoic and cenozoic time show that bohai basin is a mesozoic and cenozoic composite basin
根據中生界上侏羅統和下白堊統地層和控盆斷裂分佈分析，中生代晚期晚侏羅早白堊世郯廬斷裂帶的左旋走滑平移導致郯廬斷裂帶以西自北向南發育了3個北西向斷塹系，即北部的渤海斷塹系中部的濟陽斷塹系和南部的魯西南斷塹系。從區域資料綜合分析，渤海灣盆地的基本格局是早第三紀以來的新生代盆地格局。渤海灣盆地的形態構造和沉積特徵及熱流值分佈表明該盆地在新生代為拉分盆地。Today mixed coniferous forests occupy a wide but well - defined range of climates with mean annual temperatures from three to 13 degrees celsius ( 37 to 55 degrees fahrenheit ), suggesting that the average yearly temperature for northern alaska during the cretaceous was similar
時至今日，針葉混合林分佈廣泛，不過其氣候型態倒是相當明確，年平均氣溫介於3 ~ 13 ；想必在白堊紀時，阿拉斯加北部的年平均氣溫與此相近。The method using the part imitate extract the continuous spectrum of the signal spectrum, than extract line - spectrum from the relatively flat line - spectrum by subtract it from the former spectrum
該方法利用分段擬合方法擬合出信號功率譜的連續部分，從原始功率譜中減去連續譜得到拉平的線譜分佈，然後進行線譜特徵提取。According to calculating and analysis, educes the distributing laws and their correlations of horizontal displacement and stress of stabilizing pile, anchor pull and earth press in two sides of pile, including the distributing of point repel force and internal force of pile at the terminal state, providing full theoretical basis for anchor cable and stabilizing pile structure design, strength check, stability check and determination of anti - slide force for a single stabilizing pile
通過計算分析，得出了抗滑樁的水平位移、樁身應力、錨索拉力和樁側土壓力的分佈規律和它們之間的相互關系以及極限狀態時的樁的結點抗力和樁的內力分佈規律，為錨索樁的結構設計、強度校核、穩定性校核和單樁抗滑力的確定提供了充分的理論依據，同時也提出了錨索抗滑樁計算分析的一種新方法。In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete
大量的工程實踐表明，軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用，本文以大型數值模擬分析系統final為平臺，採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型，對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗，研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果，以便直接為工程設計人員提供參考。For three - short - pier shear wall under vertical loads, the results remain the same, and transfer beam at this moment will work with the middle pier, constituting a t - shape beam to sustain the moment and axial tensions together. 4. under the horizontal loads, the inner stress distribution in the frame supported short - pier shear wall shows similarities with that of the short - pier shear wall underneath the fastened supports
4 、水平荷載作用下，框支短肢剪力墻墻肢內的應力分佈形式接近於下部固支的短肢剪力墻的應力分佈;轉換梁承受上部墻肢傳遞的拉力、剪力和彎矩，當短肢剪力墻墻肢數量較多時，轉換樑上、下邊緣拉、壓應力交替出現，剪應力的最大值處于洞口下方的轉換梁體內。The distance from figure center of the parabola to the potential slide surface is less than half of the section length. mechanical conditions of this method include not only force equilibrium but also moment equilibrium. as for the beam - on - foundation, its pressure can be calculated by homogeneous hypothesis or winkler foundation hypothesis or infinite half elastic foundation hypothesis on the pulling anchor - cable step and by coulomb active earth pressure theory approximatively on the long term working step
對于樁在滑面以上段所受的坡體荷載，提出可按形心偏下的拋物線型分佈模式計算，並在滿足力的平衡條件的同時還滿足力矩平衡條件；對于地樑上作用的坡體荷載，提出在錨索張拉階段可按均布或溫克爾（ winkler ）地基假定或彈性半無限體地基假定來計算，在工作階段則一般可以近似按庫侖主動土壓力理論計算。By analyzing the indoor flexural fatigue tests of small beams, the paper concludes that the fatigue life of lean concrete follows the two - parameter weibull distribution, and establishes two types of fatigue equation under different stress level and equivalent stress level
通過分析室內小梁彎拉疲勞試驗結果，得出貧混凝土的疲勞壽命服從雙參數威布爾分佈，據此建立了不同應力水平和等效應力水平下兩種形式的疲勞方程。分享友人