等軸測平面 的英文怎麼說

中文拼音 [děngzhóupíngmiàn]
等軸測平面 英文
isoplane
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 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)
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : 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...
  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(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;根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)承載力的動法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢川的參數: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進行了深入討論;本文作者根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系統,該加載系統具有實用、簡便、穩定及安個優點。
  2. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、均指示壓力、循環變動率、放熱率參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界、價格低、操作簡單、使用維護方便、功能便於擴充優點
  3. So far, the main frame of the conjugation of betrand are established, on the basis of which, it is given that the primary condition the directrix line must be satisfied, the relative curvature of the conjugating surfaces, the relations between non - interventional condition and curvature axle of the directrix line, and so on. the transmission of normal circular - arc gear is a typical bertrand conjugation. in order to promote the transformation from theory to technology, the general principle of this kind of transmission is studied

    為了使研究更加貼近於工程,便於解析處理,提出準的概念,並確立由準到準線的研究路線,給出了各種傳動形式下準與準線的具體特徵,證明了共軛準上兩準線的誘導地曲率於零的這一不干涉條件,進而指出,當準和相交傳動的節曲時,不干涉條件自然滿足。
  4. Some testing devices are of advanced ones, such as scanning electronic microscope, microfocus circular radioscope, water - immersed ultrasonic flaw detector, 3 - axis measuring machines, large - sized projector, etc. for the production of non - aero products, there are large - sized die - casting equipment, and nearly 100 pieces of specialized gear machine tools including worm - gear grinding machine, etc. it has some specialized production lines for piston, crankshaft, cylinder and housing, etc., as well as 4 flexible production lines advanced at home for motorcycle engine, and a complete set of automatic inspection test eqiuipment for motorcycle engine

    計算機輔助設計輔助加工技術正在普遍使用。在非航空產品生產方有大型壓鑄設備殼型鑄造,包括鍋桿輪磨在內的輪專用機床100多臺,以及活塞曲汽缸殼體專業化生產線。此外,還建成了具有國內領先水的4條摩托車發動機柔性生產線,以及成套的摩托車發動機檢設備,可進行試數據分析,改進檢定試方法
  5. Methods : fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct. images of the humeri in the transverse planes at the lowest border of neck ( lbn ), 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ), isthmus, head - neck anterior - posterior ( hn - ap ) were obtained. sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head - shaft angle, head to tuberosity height ( ht ), head thickness, curvature radius, articular surface arc ( sa ), neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including lbn, lbn - 20, lbn - 40 and isthmus

    方法: 50根成對防腐肱骨(男14對,女11對)按肱骨頭扭轉角置於冠狀位和矢狀位,行肱骨全長,頭頸矢狀,解剖頸下緣及其下20mm 、 40mm ,髓腔狹窄部四ct掃描,由ct軟體量冠、矢狀位髓腔內外參數共61項,包括頭心?干距,頭位置,頭干角,頭?結節高度差,頭厚度,頭半徑,關節張角,解剖頸直徑,髓腔狹窄部位置,解剖頸下緣及其下20mm 、 40mm和狹窄部四個髓腔的最大冠、矢狀徑,皮質骨厚度
  6. After an introduction to the research on the software for the design of the variant steel arched girder construction, the creation of the structural model, the structure of the supporting seat, the design of the variant arched girder, and the measures taken to ensure the stability of the plane surface of the arched girder, the thesis goes to study the methods for the hoisting and the angle setting of the long - span arched girders, as well as the bolting of the axle pin in the hinge support

    論文首先對變異鋼拱架結構設計可採用的軟體、結構模型的建立、支座構造形式、變異拱梁的設計,以及保證拱梁外穩定所採取的措施進行了研究,然後研究了大跨度變異鋼拱架弧形梁吊裝、角度的調整、鉸支座穿的施工方法,最後對施工完成後的位移進行了實際量
  7. Axial load composed of five main kinds of vehicles was gained by eye - observing, and then the mean exchange coefficients of each kind of vehicles and equivalent standard axle load were obtained

    利用目法得到各類車輛載組成,通過分析得到各類車輛載換算系數,然後求得標準載作用次數,採用空間換時間方法,最後建立了四個地區不同交通量級下的路使用性能預方程。
  8. Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles

    文摘:介紹了國內外預航天飛機氣動加熱的工程計算方法.給出了對稱、非對稱和機翼前緣各種外形駐點熱流密度的計算,分析和比較了板、錐體的層流和湍流熱流密度計算的各種方法,概述了航天飛機迎風中心線和離開中心線橫向熱流密度的計算.計算結果表明,本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度
  9. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢傳感器,獲得管道漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和漏磁信號預處理方法;分析了空間采樣的漏磁信號轉換為時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。
  10. In order to model the portland cement concrete ( pcc ) pavement performance, about 200 pavement sections with typical environment and maintenance level were selected from four districts of guangdong province, and then an investigation was made on their pavement structure pattern, distress, traffic volume and wheel path lane coefficient

    摘要為了建立水泥混凝土路典型的使用性能預模型,在廣東省確定了在環境條件、養護水均有代表性的四個地區,從中選取有代表性的200條路段,對其結構組成、路損壞、交通載及其車道分佈進行詳細調查。
  11. In new state standard < < machining center testing items - accuracy testing > > [ refering to iso / dis10791 ], issued in 1999, the test of straightness accuracy has been changed. now it becomes more scientific and reasonable. in old state standard, the testing of straightness accuracy of kinetic part only focus on vertical and " horizontal plane, and it only includes two linear errors ; but in new state standard, we not only measure those two linear errors, but also measure the errors of pitching, deflecting, and inclining of the kinetic part, so it includes two linear errors and three angle errors

    1999年公布的國標《加工中心檢驗條件?精度檢驗》 (參照iso dis10791訂)中,直線度項的檢做了更為科學的實質性更改,坐標移動的直線度以由只檢垂直和水內的兩個移線值誤差,改為用移動坐標方向之外的另兩個坐標的移線值誤差和移動部件繞三個坐標的俯仰,偏擺和傾斜三個角值誤差綜合表徵。
  12. Furthermore, the strongly functional programming language labwindows / cvi is well used. the paper is based on the deep analysis of rolling bearing identification technology which is made up of analog instruments. a suit of rolling bearing identification signal virtual instrument has been found with which some representative failure of gb6309 type of rolling bearing on the omnipotent lab desk in testing laboratory have been measured and diagnosed

    本論文在深入分析研究以模擬儀器為基礎的滾動承診斷技術的基礎上,應用現代先進的虛擬儀器技術,合理選用傳感器、信號調理器及a / d轉換板硬體,採用具有強大功能的虛擬儀器編程語言: labwindows / cvi臺,編寫了一系列功能軟體和軟板,成功地研製和組建了一套滾動承信號識別及工況監虛擬儀器,並利用所研製的虛擬儀器,在試實驗室萬能實驗臺上對若干gb6309型號深溝滾動承的幾種典型故障進行了實際檢與診斷,收到了滿意的效果。
  13. Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively

    利用xrd 、 sem以及uvs光譜儀分析方法對薄膜進行了研究,結果顯示,所制備的薄膜為六方纖鋅礦型結構,具有高c擇優取向性;表均勻、緻密,薄膜材料由許多星狀晶粒組成,晶粒尺寸大約為10 - 30nm左右;薄膜可見光透過率均可達90 % ;對薄膜厚度以及電學性能進行了定后發現:單次鍍膜厚度約為75 - 240nm , al ~ ( 3 + )離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內;分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度工藝參數對薄膜厚度和電阻率的影響。
  14. In this thesis, the experimental research of the behavior of high strength concrete axial compression columns and eccentric compression columns under non - uniform temperature field are conducted. from the experimental analysis, the variational regularity of ultimate load capacity and deformation of high strength concrete compression - flexure members under non - uniform temperature field is obtained. the influences of different factors including temperature, stirrup contents, strength grade of concrete, pre - loading level, eccentricity and different loading - temperature paths to refractory capability of members are investigated

    文中還對高強混凝土心受壓柱和偏心受壓柱在不均勻溫度場下的力學性能進行了試驗研究,通過試驗分析了高強混凝土壓彎構件極限承載力和變形在不均勻溫度場下的變化規律,考察了不同升溫溫度、箍筋用量、混凝土強度級、預加荷載水、荷載偏心以及荷載?溫度途徑對構件耐火性能的影響,通過試驗量,得到了構件的截溫度場。
  15. At present the identification signal of rolling bearing is based on analog monitoring system composed of analog instrument such as fft analyzer, amplitude analyzer and so on. the system has the shortcoming as follows : not enough friendly user interface, unitary function, under abundant analytical contents, poor generality, long developing period, high cost and so forth

    目前對滾動承信號識別主要採用模擬監系統,系統均由模擬量儀器組成,如fft分析儀、幅值分析儀電記錄儀,系統存在操作界不夠友好,功能單一,分析內容欠豐富、通用性差、開發周期長、成本高缺點。
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