斷面高度比 的英文怎麼說

中文拼音 [duànmiàngāo]
斷面高度比 英文
cross-section ratio
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 斷面 : section; fracture surface; plane of fracture
  • 高度 : altitudeheightelevation
  1. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸積代替種群生物量,分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究,運用改進單純形法對模型進行優化,擬合結果表明改進模型logistic常規模型更符合南方紅豆杉種群的增長趨勢,南方紅豆杉種群的最大增長速出現在第10齡級,即胸徑為68 76cm時期。
  2. The company produces the table history to be glorious, and develops the innovation unceasingly, develops from the initial straight strip surface of bed table foundation to shan qubo the surface of bed table to the hyperbolic wave surface of bed table, causes the table the process load, the returns - ratio and concentrates compared to all has the large scale enhancement

    我廠生產搖床歷史悠久,並不開發創新,從最初的直條床搖床基礎上發展到單曲波床搖床(上世紀70年代) ;到雙曲波床搖床(上世紀90年代) ,使搖床的處理量、回收率和富集都有大幅的提
  3. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局,本文研究小波分析在信號處理方的數學依據和在數據壓縮方的實際意義,在前人不工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果較,實驗結果證明該演算法可以在一定計算復雜下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。
  4. It is haemorrhoid, not afraid, this is the disease with a very high incidence of a disease, have 10 people the view of 9 naevus, that is to say almost the pile that everybody has different rate, some is heavy, some also does not become aware even oneself, i recommend root of your use naevus to break, it is medicine of profess to convinced, germany imports, 40 yuan or so, the drugstore that arrives big a little bit has commonly, every 80, eat 3 times everyday, every time 3, eat effective fruit, but this medicine is to ask to be able to insist to eat, next at ordinary times dietary attention is not stimulated tartly, do not let him get angry, much draft fruit drinks water more, maintain defecate unobstructed, ok, if felt embarrassed not to see a doctor, because the doctor can suggest you become an operation commonly, not quite good, the operation is unwarrantable also cure completely, if you are the female that had not borne, that should not become an operation more, because give birth to a child later when, still meet those who cause haemorrhoid recrudesce greatly too forcibly, believe me, additionally you can cooperate medicine of an external use, ma yinglong haemorrhoid creams, besmear outside, more comfortable, this is cheaper, a few money, go quickly buying drug, do not delay too long, arrived otherwise the degree of defecate belt blood is painful

    是痔瘡,不要擔心,這是個發病率很的病,有十人九痔的說法,也就是說幾乎每個人都有不同程的痔瘡,有的重,有的連自己也覺察不到,我推薦你使用痔根,是口服藥,德國進口的,一盒四十元左右,到大點的藥店一般都有,每盒80粒,天天吃三次,每次三顆,吃完三天就有效果,但是這個藥是要求可以堅持吃完一盒的,然後平時飲食注重不要辛辣刺激,不要讓自己上火,多吃水果多喝水,保持大便通暢,就可以了,假如不好意思就不要看醫生了,因為醫生一般會建議你做手術,不太好,手術也不能保證完全治好,假如你是未生育過的女性,那就更不要做手術了,因為以後生小孩時,用力過大還是會引發痔瘡復發的,相信我,另外你可以配合一個外用藥,馬應龍痔瘡膏,塗在外較舒適,這個較便宜,幾塊錢,快去買藥吧,不要耽誤太長時間,不然到了大便帶血的程就痛苦了。
  5. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角出發,針對在該項目中涉及的層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨6米,7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方具體分析研究了計算的應力與位移分佈規律: ( 1 )在各種不同狀態下計算的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對分佈曲線等,為今後在對地下空間的開發利用以及在層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  6. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了階精加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方的工作:一是針對頻聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表性算例進行了大量數值實驗,較了該格式捕捉波數的能力;另外,針對階weno格式在處理euler方程的接觸間時精有所降低的問題,研究了利用界追蹤技術levelset方法和階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密滑移問題的算例,得到一致階精的數值模擬結果。
  7. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔要求,在位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對分析了兩模型的層間位移、骨架曲線以及等效粘質阻力系數等抗震性能的較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議
  8. The reassigned smoothed pseudo wigner - ville distribution ( rspwvd ) is introduced, which has less interference and higher resolution than other time frequency distributions like wigner - ville, choi - williams etc. it is used to detect the multi - knocking of engine such as cylinder, piston pin, valve, crank bearing, connecting rod bearing and jib knocking. a new fault diagnosis technique based on the rspwvd for the engine multi - knocking problem is proposed. by comparing the bispectrum and bicoherence of the gear vibration signals, it is demonstrated that bispectrum has an advantage over bicoherence for feature extraction of such signals

    第四章首次引入一種重分配方法,得到干擾項少而解析的重分配平滑偽魏格納維爾分佈( rspwvd ) ;對發動機曲軸主軸承響、連桿軸承響、活塞銷響、活塞敲缸響、氣門響和挺桿響等常見機械異響故障振動信號特徵進行了全較分析;通過對各種異響故障特徵信號的分析研究,提出基於rspwvd的發動機多異響故障診策略,利用該策略可以準確識別不同的發動機異響故障。
  9. Cotton fiber of polyester series has fine performance in resisting being eroded and only a small part is eroded meanly. the effect of erosion on bacterium - resisting viscose fiber is not obvious, while the effect on burning - resisting viscose fiber is the most obvious

    在力學分析方:我們得到陽離子可染的滌綸纖維的于態較一般滌綸棉纖維的有所降低,裂伸長反而上升:收縮滌綸棉纖維干濕態的裂強力和裂伸長都較一般滌綸棉纖維的有所降低。
  10. Five aspects, such as the highest temperature in the middle of block, maximum horizontal stress, average stresses of any sections, stress changing process of typical points, and stress changing range between tension and compression, are discussed in detail

    從各塊體中部最、最大水平約束應力、平均水平約束應力、典型點應力發展過程、正反向應力變幅等5個方較系統地闡述了大體積混凝土通倉澆築問題。
  11. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫優化方,本文在利用已經較成熟的縱橫優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為控制變量,以渠道不沖不淤流速及灌區允許地降為約束條件,通過縱橫聯動優化的方法得到渠道的最佳工程可行的參數。另外,針對部分地區的取土困難的狀況,本文採用積分法計算渠道工程土方量,從而大大提了土方量的估算精,有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作較簡便,界友好,運行速快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。
  12. Abstract : the crystal structures obtained by static solidification and vibration solidification were compared. it was showed that, in the case of vibration solidification, the orientation growth of the columnar crystal was not obvious, the equiaxial crystal appeared more early. the grains of both types of crystals were quite fine, hardness in the full section was relatively high, and the hardness distribution was uniform. in the former case, the solute segregation in dendritical austenite more severe, and there were lumps of distortion inclusion

    文摘:對球鐵金屬型靜凝固與振動凝固的結晶組織對表明:後者柱狀晶方向性生長較弱,等軸晶出現較早,且兩者的晶粒均較細,全且分佈均勻;前者枝晶奧氏體內溶質偏析大,有畸變夾雜團塊。
  13. The relative density of the sample has reached as high as 97. 4 % of fully dense. the mean micro hardness has reached hv496. 3. the fractography of the fracture section of the tensile sample was characteristic of dimple typically which indicated that the fracture belong to ductile fracture

    ;試樣相對密可以達到理論值的97 . 4 ;硬由於激光立體成形工藝的特點,最後幾層的硬開始時的,平均硬達到了hv496 . 3 ;拉伸試樣的口形貌具有典型的韌窩特徵,屬于延性裂。
  14. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大,電源的諧波含量過,紋波系數過大,乃至電源設備損壞、輸出異常等情況出現,將會嚴重影響視頻信號的圖像效果,大大降低防盜系統的穩定性和可靠性,我們採用快速傅利葉變換原理,即fft變換,通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換,從而得出信號中各次諧波的含量及信號畸變系數,並將其與正常工況下的參數進行對,從而進一步診出穩壓電源、 ups電源、開關電源等設備的運行狀況;組成監控系統的設備長期處于工作狀態,往往由於設備散熱條件不好、設備老化故障等原因導致設備表,從而影響設備的正常運行,降低設備的使用壽命。
  15. The max. temperature, cold runner result shows the max. temperature across the cold runner temperature profile calculated at the end of cooling time

    冷卻結束時,冷澆道上最分佈情況(與頂出溫,判此時是否頂出) 。
  16. Compared with the traditional method, the digital image processing method has many advantages in measuring the deformation of soil specimen in triaxial test, such as higher accuracy, non - contact measuring process, and undisturbed specimen. it is valid to measure the deformation in large scale. it can select the section of specimen freely to measure the axial and radial deformation directly

    應用數字圖像測量技術量測三軸試驗試樣的變形,有許多傳統測量方法不能擬的優越性:較的變形測量精;非接觸式變形測量,不擾動試樣,不干擾試樣的變形;適用於三軸土樣的大變形測量;可以任意選擇測量,實現三軸試樣軸向變形和徑向變形的直接測量;可以在試樣變形測量的同時用圖片的形式記錄三軸試驗的全過程,便於試驗結束以後對試樣變形的重新分析和研究。
  17. Klc of j3 is higher than j2 and j1 at different temperatures, and this shows the stronger ability of j3 to resist crack expanding. two probations have been tried to explore the reasons concerning the results above, one of which is by analyzing the compositions of the three pbxs above and shows that the stronger ability of j3 to resist crack expanding is probably mainly due to the use of bonder b2, and another is by using scanning electronic microscope sem to observe the fracture face morphologies of the specimens at different temperatures. the quantitative observations strongly support the laws of klc of pbxs changes with temperature is revealed as follows : a

    測試了三種聚物粘結炸藥在不同溫下的平應變裂韌k _ ( ic )值,得到了這三種炸藥的平應變裂隨溫的變化規律: a 、隨著溫的增加,聚物粘結炸藥的平應變裂韌降低; b 、在45以後j2的平應變裂韌降低最快,在60時已很差,j1還低,可以認為j2在溫下的抗裂紋擴展的能力j1還差; c 、在不同溫下, j3的平應變裂韌j2和j1的均,表現出相對較強的抗裂紋擴展能力。
  18. There are two innovations in the hardware system in currency sorter field. one of the innovations is that the powerful chip lpc2210 of arm series is applied on the test instrument for liquid crystal display module. and expand external memory ensure the large data volume because the ratio of small size tft - lcd and the quantity of test picture are increasing. because the powerful capabilities of processing datum of lpc2210, the test instrument is much faster and higher performance / price ratio than traditional test instrument and portable. the other one is the test instrument combine the

    本系統在該領域的創新點有兩點,一是將性能arm核心晶元lpc2210應用到液晶顯示模塊測試系統中,並通過外部擴充存儲器,滿足了小尺寸tft板在解析,測試畫增加的情況下對測試系統大數據容量的需求。且由於arm系列晶元強大的數據處理能力,使得該測試系統相對傳統的測試機速更快,性價,且更加輕巧。
  19. With the development of industry, the request of temperature process control is higher, control request basically include control precision, response velocity, system stability and adaptation ability. this paper will research the control system of rapidly changed temperature, and the points are temperature response velocity and control precision, from the results of experiment, the effect of control is relatively perfect

    隨著工業生產的發展,對溫的過程式控制制要求在不,其控制要求主要表現在控制精、響應速、系統穩定性以及適應能力等方,本文就是對要求溫快速變化的控制系統進行了研究,主要在溫響應速和控制精做了一些努力,從最後的實驗結果來看,得到的控制效果還是較理想的。
  20. The fracture toughness and bending strength of c / sic composite were improved notably after the pre - treatment of cp / ci at 2073k. on the basis of the above phenomenon, the effect of pre - treatment on interphase microstructure and mechanical properties of c / sic composites was investigated by md simulation

    根據前處理c sic復合材料的裂韌性和彎曲強未處理的提了30 50的結果,用分子動力學方法研究前處理過程對界相微觀結構和力學性能的影響。
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