軸后的 的英文怎麼說
中文拼音 [zhóuhòude]
軸后的
英文
postaxial-
In this paper the floral ontogeny and the ovary development of rivina humilis l. were observed. the results showed that ( 1 ) the tepal primordia initiated in 2 / 5 spirals. the abaxial one initiated first, then the adaxial one, finally the lateral two initiated nearly simultaneously. the third one initiated on the position near the first tepal, and there is a gap between itself and the second tepal. ( 2 ) the 4 stamineal primordia initiated in one whorl at the same time. ( 3 ) the carpellary primordium initiated from the abaxial side of flower primordium ; the carpellary primordium grew upwards and towards axis after it was formed, therefore an elliptic orifice was formed at the adaxial position of ovary, which was the remainder of the mouth of ovary before the ovary was fused completely. with the ovary maturing, the orifice was narrowed because of the ovary growth, at last fused completely. the gynoecium is composed of a single carpel. ( 4 ) in the series developmental sections of ovary, the ovular primordium was initiated on the adaxial meristem when the mouth of ovary was formed
對數珠珊瑚的花器官發生和子房的發育過程進行了觀察.結果表明: ( 1 )數珠珊瑚花被呈2 / 5螺旋狀發生,遠軸側的1枚先發生,其次為近軸側的1枚發生,最後側方的2枚花被幾乎同時發生,第3枚花被在靠近第1枚的位置發生,第2枚和第3枚之間有1個空隙; ( 2 ) 4枚雄蕊是同時發生的; ( 3 )心皮發生於分生組織的遠軸側,心皮原基形成后,向上向軸生長,在子房成熟前在近軸側非正中位形成1個孔,該孔為心皮最終愈合前的殘跡,到子房成熟時,因子房的生長孔被擠壓縮小,在進一步的生長過程中愈合.子房由1枚心皮構成; ( 4 )從子房發育過程的切片看,該植物的胚珠是在子房發生后不久發生的,子房上的圓孔形成時,從近軸側的分生組織發生胚珠原基,由胚珠原基分化出珠被與珠心Chapter 3 erected the relationship between refraction error and cornel ablation depth in theory. the paper proposed various mathematical models which can be used for proceed the simple myopia, simple hypermetropia, compund myopia astigmatism, compund hypermetropia astigmatism, simple myopia astigmatism, simple hypermetropia astigmatism, mixed astigmatism. the influence of the astigmatic axis and the degree of astigmatism on the correction field is discussed. wavefront aberration guided excimer laser cornea ablation is a main method of customised corneal ablation
以數學的方法研究出了屈光性單純近視、屈光性單純遠視、復性近視散光、復性遠視散光、單純近視散光、單純遠視散光、混合性散光屈光矯正的物理模型;並揭示了不同軸位的轉換規律,對不同散光情況下的初始角膜兩個不同方向的曲率半徑和手術后最終的曲率半徑作了定量的研究。The load map and wearing maps of the crankshaft journals and crankpin are obtained under various operating conditions
研究表明:氣缸壓力和轉速升高后,曲柄銷和主軸頸的磨損均呈現增加趨勢。The finial studied outcome and method adopted will bring important effect on engineering application, reliable analysis, optimization design etc. of conical roller bearings, at the same time, certain application value for developing new type of bearings
本文的研究結果及研究方法對汽車后橋錐軸承的工程應用、可靠性分析、優化設計等具有重要參考,對研究開發新型錐軸承具有一定的應用價值。Blowby is basically the leakage of compressed air-fuel mixture and burned gases past the piston rings into the crankase.
竄氣,基本上是被壓縮的空燃混合氣和燃燒后的氣體的泄漏,它通過活塞環進入曲軸箱。High alloy carburizing steel and 20crmnti structure steel etc. they also can be used for oil - quenching, gas - quenching and annealing of tool and mould steel, all kinds of steels used in precision bearing, parts of oil - pump, nozzle and precision machine
等結構鋼的滲碳及滲碳后的淬火,工模具鋼精密軸承油泵油嘴機械件精密機器零件等各種鋼的氣淬退火等。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。Abstract : a new type cold frame is intruduced. the deformation of unsymmetry section steel after cooling is mainly eliminated by reversely curring it on line, ensuring the achievement of automation of meticulous repair. at the same time the disposing principle of equilibrium weight on the driving axis of cold frame drived by eccentric wheel was improved. the torsional moment of transmission shaft and power of electric motor are reduced by the method
文摘:介紹了一種新型冷床,通過在線對非對稱型鋼進行反向彎曲,基本上消除了非對稱型鋼冷卻后的變形,保證了精整工序自動化的實現.同時,提出了偏心輪驅動的冷床驅動軸上平衡重的配置原則.此方法可降低傳動軸上所受的扭矩,減少了電動機的功率The experiments show that the color of the iceland spar can be changed when heated to a certain temperature, that is, light yellow iceland spars will fade when heated to 360 - 370, while dark yellow iceland spar will fade at 440 - 450, brownish yellow iceland spar at 460 - 470 ; and the color of light purple iceland spar can be removed when heated to 390 - 400, while the color of deep purple iceland spar can be removed at 440 - 450, deep reddish purple iceland spar at 460 - 470. on base of the u - v absorption spectrum, we find that the u - v absorption spectra of the faded iceland spars are paralleled to the x axis, the transmittance of them are also greatly improved
實驗表明,冰洲石在加熱到一定溫度時顏色會發生變化:淺黃色、深黃色和褐黃色冰洲石分別在360 - 370 、 440 - 450和460 - 470完全褪色;淺紫色、深紫色和深紫紅色冰洲石分別在370 - 380 、 440 - 450和460 - 470時完全褪色。通過對褪色后冰洲石進行紫外-可見光吸收光譜測試表明:完全褪色后的冰洲石在紫外-可見光的吸收光譜上表現為一條近平行x軸的直線;紫外、可見光區的紫區的光透過率有了很大了提高。Long parts, ( such as axis, pole and so on ) varying along the profiled bar direction by the length or by a certain rule can be shortened to represent, and the broken part shall be represented by waved line or zipped lines, as shown in fig. 13
較長的機件(軸、桿、型材等)沿長度方向的形狀相同或按一定規律變化時,可斷開后縮短繪制,斷開后的結構應按實際長度標注尺寸;斷裂邊界可用波浪線、雙折線繪制,如圖13所示。For getting the runner characteristics more correctly, researching the representation of runner characteristics of the kaplan turbine in this paper, and using this method of modifying runner characteristics to calculate the transient of hydraulic power station. improving the calculating model of the axial thrust in the kaplan turbine ' s transient. base on the theory of screw propeller without any boundary, using the theory of screw propeller with pipe, and the formula to calculate the dynamic axial thrust during transient is developed
本文對轉槳機組在過渡過程中的槳葉劃水產生水推力的數學模型進行了改進,在原來使用無邊界螺旋槳進行等效的基礎上,使用了導管螺旋槳對轉槳機組中的槳葉劃水進行等效,並且比較詳細的分析了影響轉槳機組軸向水推力的各個因素,以及給出了動態計算軸向水推力的公式,通過計算表明,使用改進后的動態水推力計算模型得到的結果能較好的反應實測的動態軸向水推力。Based on the analysis of the lateral acceleration data of vehicles measured in shanghai metro lin, this paper suggests that the lateral oscillation force of the vehicles shall choose 10 % of the vertical load on a single wheel
摘要根據鐵路車輛及上海軌道交通3號線上實測車輛橫向加速度值,建議橫向搖擺力取軸重的10 % ,按目前承軌合構造,車輛偶然脫軌后可能橫向偏移左右各1 . 75m 。Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced
太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象,從以速度和壓強為自變量的微分方程一navier一5tokes方程出發,利用有限差分法對柱坐標系下簡化后的n一s方程進行離散,建立定常的、軸對稱的三維計算模型。In other words, the process of analyzing relaxation zone related to one safety factor can also be regarded as the process of searching potential slide surface related to the same safety factor. elastic wedge model is used for analysis of relaxation zone of cutting homogeneous slope. on the basis of elastic plane - strain theory, the relaxation zone can be calculated according to mohr - coulomb or drucker - prager law and single tension intensity principle which are both related to one safety factor after three - dimensional stress field of the cutting slope is got
提出均質邊坡開挖鬆弛區可以用彈性理論中的楔形體理論分析,在平面應變問題的基礎上得到開挖坡體的三向應力場之後,可運用考慮安全儲備后的強度條件(主要為摩爾?庫侖或德魯克?布拉格強度準則和單軸抗拉強度準則)解析坡體分步開挖過程中的鬆弛區范圍,給出了具體的計算步驟,並通過算例較詳細地說明了操作過程。Wavelet analysis is used to translate noise signal of the engine into time - frequency domain. selecting appropriate frequency band to pick up and making its envelope spectrum, then two feature frequency - 0. 5x speed frequency and 2x speed frequency that represent the abrasion condition can be found. in addition, a new diagnosis method of image processing technique is proposed
利用小波分析將測得的機體噪聲信號變換到時頻域,選擇合適的頻帶加以提取並進行包絡譜分析提取包含特徵頻率的包絡,通過分析提取后的0 . 5倍頻和2倍頻分量,發現兩個特徵頻率可準確反映主軸承的磨損狀況。In the formula, our experience in structural strength design and the experimental results are considered. and such factors are also considered as differences in materials of the skin and the reinforcer, effects of bending, torsion, stretching and offcenter of the reinforcer. furthermore, through post - buckling stress analysis of the skin, it is shown that even low stress level will result in buckling of the skin, but the skin still has loading capacity
在總結過去結構強度設計和試驗分析的基礎上,應用扁殼理論,在廣義力與廣義應變關系中考慮了蒙皮與加筋不同材料以及加筋的彎曲、扭轉、伸縮和偏心等的影響,推導出適合於工程應用的加筋殼結構軸壓屈曲臨界載荷的計算方法;並通過對薄壁結構蒙皮后屈曲應力分析,說明蒙皮在很低的應力水平時就出現失穩現象,但失穩后的蒙皮仍具有一定的承載能力。The results showed that the vessel element did n ' t differentiate after the seeds had imbibied for 6 hours ; 6 hours after seeds germination, two loci ? ne below the middle portion of the cotyledon and the other in the lower portion of cotyledon - node zone ( cnz ) initiated the differentiation of vessel element simultaneously, then elongated towards the cotyledonary apex and hypocotyl - root region respectively ; eventually the two promoter loci began to interconnect through vessel elements
結果表明:種子吸漲6h ,未有導管分子的分化;種子萌發后6小時期間,自子葉中部偏下方和子葉節區下部的兩個位點同時啟動導管分子的分化,並分別向子葉葉尖和下胚軸-根的方向延伸;爾后,在發生兩個啟動位點之間發生導管分子的連接。Doing the further research on the division frequency stack on the foundation of study of predecessor, at first the residual moveout correction is done to the seismic record, make the phase axle regularity, doing foundation for the same phase stack ; then carried on division scale processing by wavelet transform ; spectrum whitening is done to each scale, the high and low frequency band need to do prolongs, the middle frequency bands only increase the value of the frequency spectrum ; several kinds of methods that estimate the value of signal - noise ratio has been studied further, and summarize their advantage and disadvantage as well as the scope of application ; the seismic record after spectrum whitening is stacked by weighting with the value of the signal - noise ratio ; then estimate the value of signal - noise ratio which is each scale section after stacking, the scale that the signal - noise ratio is big is assigned big weighting, otherwise, the scale that signal - noise ratio value is small is assigned small weight ing, and carried on weighted reconstruct to each scale section
本文在前人研究的基礎上,在分頻疊加方面做了進一步的研究。首先對地震記錄進行剩餘時差校正,校齊同相軸,為同相疊加做好基礎工作;然後對地震記錄用小波變換的方法進行分尺度處理;對各個尺度分別做譜白化,對于高、低頻段需要做頻帶延拓,中間頻段僅提升頻譜值;對于幾種信噪比定量估計的方法進行了深入的研究,並且總結了它們的優缺點以及適用范圍;對譜白化后的地震記錄用信噪比估計值作為加權系數進行加權疊加;對于各尺度的疊加剖面也進行信噪比估計,對于信噪比大的尺度給予大的加權系數,反之,信噪比值小的尺度給予小的加權系數,對各尺度疊加剖面進行加權重構。Through lab tests on melted and common dark green silty soil of the passway in shanghai fuxing east road tunnel by using the typical triaxial test machine - ckc, their dynamic stress and stress - strain relations with different frequencies were studied
摘要以上海復興東路越江隧道江底旁通道凍結施工中的原狀和凍融作用后的暗綠色粉質粘土為研究對象,運用ckc循環三軸儀,採用不同的頻率來摸擬行車荷載進行室內動三軸試驗。Calculating and analyze the compression bending strength according to the method of reinforced co ncrete structure design code and " the modified simple superposition method ", the distribution of axial load is obtained, then, the influence of creep is considered and the formulation of distribution of axial load between reinforced concrete and steel is proposed. and steel is proposed
運用現行混凝土結構設計規范和改進后的簡單疊加方法分別計算試件的壓彎承載力,通過對比分析,推得了src柱的軸力分配,然後在考慮了徐變系數的影響后,對空腹式鋼骨混凝土柱軸壓比限值提出建議。分享友人