根軸系統 的英文怎麼說

中文拼音 [gēnzhóutǒng]
根軸系統 英文
root system
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載,該加載具有實用、簡便、穩定及安個等優點。
  2. According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region

    據金魚草幼苗初生維管導管分子發育的時空性,即子葉和子葉節區下部導管分子先形成,然後向下形成下胚-區的導管分子,最後子葉節區中、上部與上胚-苗區的導管分子再發生連接,據此支持將幼苗分為子葉節區、下胚-區和上胚-苗區的幼苗分區模型。
  3. Second, adopting the linearity of oil film of the guide bearings, the transient response of the shafts is computed and analysis by integrating with willson method. because of the uncertain position of the shafts in the guide bearing, the model and solution method of nonlinear transient response of the shafts is discussed

    然後結合willson數值積分法,採用線性化油膜力,對機組的線性瞬態響應進行了計算分析,據機組在瞬態響應中運動的不確定性,給出了由導承油膜力非線性所引起的主的非線性瞬態響應的建模及求解方法。
  4. The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters , the cad system can make optimization design and strength check for the worm gear , draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm , judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point , make project design and structure design for the reducer and draw its 2d parts and assembly

    研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體:包括幾何參數設計計算模塊,強度校核模塊,繪制齒面接觸線模塊,蝸桿齒厚變化曲線模塊和蝸桿切判別模塊;開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫,建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫;開發了平面二次包絡環面蝸桿減速器參數化建模軟體:包括零部件的參數化建模模塊和裝配圖的參數化建模模塊,其中零部件的參數化建模包括蝸桿的參數化建模、蝸輪的參數化建模、箱體的參數化建模、端蓋的參數化建模、承的參數化建模和其它零部件的參數化建模軟體模塊。
  5. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結果表明:葉表皮的氣孔排列方式、長度、長寬比,脊的明顯與否,葉表皮上的顆粒紋飾的多少、大小,葉表皮細胞長度、長寬比、垂周壁形狀,上部葉柵欄組織細胞層數、葉的維管束數、葉中脈導管組成數目,氣腔類型,葉的脊部遠面的角數,葉緣的形狀等這些特徵在種間存在差異,同時,在有些種之間又有相似性;因此,這些特徵既可以作為區分種的證據,又是研究石蒜屬植物演化的性狀指標,據這些性狀指標,可以將石蒜屬植物大致分為兩個亞屬:一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜,二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜;在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關則更近些。
  6. Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars

    計算結果表明,隨著星風吸積過程的進行,在星風質量損失階段軌道半長將增大,導致軌道周期增大,而偏心率變化不大,由此可以解釋普通紅巨星雙星和鋇星的軌道數的分佈規律和變化情況以及鋇星重元素豐度分佈特徵。
  7. The dynamic model of misaligned rotor - bearing system equipped with a flexible laminated membrane coupling was developed by using the method of lumped parameter in this dissertation, and the dynamic behavior, such as the nature characteristics, stability, steady state response of the system, etc. was analyzed based on the theory of linear vibration

    本文據集總參數法建立了膜片聯器耦合的不對中轉子?的動力學模型。基於線性振動理論分析了的固有特性、穩定性和不平衡響應。
  8. According to the working principle of magnetic bearing, there exists force coupling, magnetic coupling in radial magnetic bearings inside the magnetic suspension rotor system, and there exists force coupling, moment coupling between magnetic bearings as well

    摘要磁懸浮轉子中,據磁力承工作原理,徑向磁力承內存在力耦合、磁耦合;徑向磁力承之間存在力耦合、力矩耦合。
  9. Based on practical project of inspecting, appraising and reinforcing a main heavy factory building, especially its steel crane girder system, of the second steel mill belonging to taiyuan steel & iron corporation, whose technology renovation leads to increase tonnage of many heavy cranes and vertical load of frame - bent structure, first the structure and its members were investigated, inspected, calculated and analyzed, and their reliability was appraised respectively and the strengthening projects or the measures to remedy were given. then, in accordance with the requirement to strengthen the girders under non - stop production, the feasibility of strengthening the crane girders by adding steel diagonal braces underneath the existing girders has been studied by inspecting and evaluating the strengthening effect of the crane girders and comparing with other reinforcing scheme

    本文結合太鋼(集團)有限公司第二煉鋼廠主廠房由於生產工藝改造要求,加大多臺重型吊車噸位及bc跨( 1 ) ( 8 )線框排架各層豎向(設備)荷載后,對廠房結構,尤其鋼吊車梁進行檢測鑒定與加固設計的實際工程,首先對廠房結構進行了現場調研、技術檢查、測試以及內力和承載能力的計算與分析(考慮抗震) ,並據檢測、計算與分析結果,對廠房結構、構件的可靠性進行了評定,並綜合提出鑒定結論和加固處理建議。
  10. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及載組成情況,據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。
  11. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相位法和數字卷積濾波技術:據柵線的條紋灰度值分佈具有極大極小分佈的特性,提出卷積濾波形貌光學自動檢測的圖像處理方法,有效地實現了頻譜自動移位,從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度;同時對採用兩光學主相交,且非遠心投影所產生的誤差進行了分析,並提出了修正方法。
  12. Computer aided process planning system on front - shaft of automobile was developed with the structure of hybrid capp, which has the features of variant capp and generative capp, according to the conditions of factory and the characteristics of process

    據企業現狀和前工藝設計特點,並結合capp的發展趨勢,採用綜合式capp的構架開發了汽車前工藝計算機輔助設計與管理軟體,軟體兼備派生式capp和創成式capp的特點和功能。
  13. The assignment of the load of the steam turbine can be solved by the reverse follow, the assignment of the load of the boiler can be solved by dsfd

    據兩種規劃問題的特點,汽輪機負荷分配問題採用分枝限界反向跟蹤的優化演算法來求解,鍋爐負荷分配問題採用轉動坐標直接搜索可行方向法( dsfd法)來求解。
  14. Product data management subsystem can be used to manage the product data and result of design of each feature - based segment of shaft. parameterization drawing subsystem can be used to draw automatically the segment of shaft according to the input data. parameterization computing subsystem can be used to design the structure of shaft, analyze the force on the shaft, and verify the intensity and rigidity of a shaft

    產品數據管理子的主要功能是對各個特徵段的產品數據信息和設計計算結果進行集中管理;參數化繪圖子的主要功能是在autocad環境下據用戶交互輸入的已知條件對特徵段進行自動繪制;參數化計運算元的主要功能是據用戶交互輸入的已知條件對進行結構設計、受力分析和強度、剛度校核。
  15. The research works and conclusions of this paper as following : 1. besed on the test results published over the word of reinforced concrete beams without web reinforcements and with stirrups, the systematically statistical analysis is carried out to set up the fomula of shear resistance of reinforced concrete beams using the uniaxial tensile strength of concrete. it provided the basis of strtistical analysis for shear resistance of steel fiber reinforced concrete beams

    據收集到的國內外對鋼筋混凝土無腹筋梁和鋼筋混凝土有腹筋梁的斜截面承載力試驗研究成果,進行了比較的綜合計分析,提出了採用混凝土心抗拉強度研究成果,進行了比較的綜合計分析,提出了採用混凝土心抗拉強度指標的鋼筋混凝土梁斜截面承載力計算公式,為鋼筋鋼纖維混凝土梁受剪承載力試驗結果的計分析提供了基礎。
  16. And through simulated test with part of actural data on the computer, the author confirms that this kind of way is feasible, which estabilishs the base of designing the complete data treating system of cam ' s automatic test on the base of windowsnt

    提出了凸輪的檢測目的、檢測原理及數據處理方法,並以此為據,初步設計並編制了數據處理軟體,採用部分實測數據在計算機上進行結果模擬,證實了這種處理方法的可行性,為進一步在windowsnt平臺上開發完整的凸輪自動檢測數據分析處理奠定了基礎。
  17. Combined with the actual developing situation, a new design is originated, that is, non - contact torque measurement through grating sensor. this paper has also presented the study of whole measurement system. according to actual experimental condition, a new torque measurement system of water turbine ' s principle axis is designed and tapped

    文章結合扭矩測量的國內外發展現狀和實際,據國家自然科學基金資助項目「水輪機主機械繫動態特性研究」提出的方案,採用光柵式傳感器進行扭矩的非接觸式測量,並對其整個測量進行了研究。
  18. Second, a jeffcott rotor model supported by two seals bearings in its two ends is established to simulate the shafting of simple turbines ( only short - and - straight - blades are included in the shafting ). and periodical response of the system is obtained by using the newmark method. then, the dynamic characteristics of rotor system at the certain rotate speed and the certain physic

    其次,建立了一個用來模擬簡單汽輪機(只含有短直葉片)的兩端用滑動承支撐的jeffcott轉子模型,並用newmark方法求得了的周期響應,的周期響應、 poincare映射圖、頻譜圖、分岔圖等,分析了在特定轉速及特定的轉子參數下的運動特徵。
  19. The design and simulation of the servo controller had been researched based on the optical track device for lunar rover made by dept. of astronautics engineering of hit. the main research are following : firstly, according to performance requirements, the control scheme is determined, and the control model are selected after analyzing the steady and dynamic characteristic. and the control equation are obtained

    首先的性能指標要求,在分析了的穩態和動態性能的基礎上,確定了的控制方案,建立伺服控制各環節的數學模型,對視覺平臺的控制方程進行了簡化處理,消除了方位和俯仰之間的力矩耦合,得到了相互獨立的方位和俯仰的控制方程。
  20. Abstract : according to the dynamic demand of main shaft system, the structural dynamic modification method is used for correcting the stiffness of the supportings member and joints, so that the dynamic characteristic of main shaft system should meet the need of design. a practical structure of elastic supporting and elastic joints has been designed on the basis of corredcted stiffness of supporting and joint. the numeric simulation of main shaft system with elastic supportings and elastic joints are compared with its design requirement. their coincidence verifies the effectiveness of sdm method and the correctness of design method

    文摘:據細紗機主的動特性要求,應用結構動力學修改方法來修正支承和聯節單元的剛度,以使主的動特性滿足設計要求.據修正過的支承和聯節的剛度,一個彈性支承和彈性聯節的實際結構已經被設計出.比較具有彈性支承和彈性聯節的主的數字模擬與設計要求.其一致性證明了sdm方法的有效性和設計方法的正確性
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