離心變形 的英文怎麼說
中文拼音 [líxīnbiànxíng]
離心變形
英文
centrifugal distortion-
The effect is customarily called centrifugal distortion.
這種效應通常叫做離心力形變。The results of biological tests have demonstrated that allantoic fluid of the first passage virus did n ' t produce macroscopic pathogenic role to chicken embryos and after passaged for four times, gross lesions were observed in chicken embryo. the virus showed typical coronavirus under electron - microscope and it could n ' t form plaque in cef cells and could hemagglutinates chicken red blood cells after treatment with 1 % trypsin. to surprise, the virus replicated in cef cells also showed hemagglutination activity to chicken red blood cells. in addition, the spf chickens which inoculated with the virus isolated from the chicken damaged tissue showed clinical sign and grow lesion, but it ' s gross lesion did n ' t resemble to those of field outbreaks
生物學特性：雞胚尿囊液經離心、磷鎢酸負染后，電鏡觀察該病毒為典型的冠狀病毒；該毒株的第一代尿囊液對雞胚無肉眼可見的致病作用，當繼代到第5代后，胚體嚴重病變；病毒在雞胚中隨著接種時間的延長，其效價增高， 96h可達到48h的2倍；該毒株可在cef上生長，但不能形成明顯的蝕斑；經1胰酶處理后可凝集雞紅細胞；雞胚的第四代尿囊液病毒回歸動物體，病死雞腎臟呈典型的花斑腎，腺胃則未見肉眼可見的病變。First, the generalized elastic theory is employed into in single pile analysis. the degeneration solution is accordant with poulos " results. analyzing the load - displacement behavior of the battered pile, the results agree well with meyerhof ' s model experiments and zhanglm ' s centrifuge experiments
對于直樁，退化為彈性理論的計算結果同poulos的結果一致，退化為荷載傳遞法與他人的結果基本吻合；然後研究了斜樁的荷載-變形特性，把公式用於計算meyerhof的模型試驗以及zhanglm的離心機試驗的荷載-位移關系，發現同試驗結果吻合較好。In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。Primary culture of rat preadipocyte were prepared from the epididymal, inguinal and perirenal the fat pads of male normal, healthy, 15 - 20 days sprague - dawley rats. the preadipocyte grew better under the condition of 37, 95 % humidity, 5 % co2, ph 7. 0 - 7. 2, centrifuged at 1000r / min, m199medium, and 10 % fetal bo vine serum, seeded at a density of 4 l04, 5 l04, / cm2. oil red o staining was the special method to distinguish adipocyte from other cells, gimsa and he could determine the stage of the adiopcyte differentiation through the number of lipid drop, size and the position of the nucleolus of the staining fat cell
經過多次實驗，確定本實驗室大鼠前體脂肪細胞的最佳培養條件是：溫度為37 ，濕度為95 ， co _ 2濃度為5 ， ph值為7 . 0 7 . 2 ，離心力為1000r / min ，培養基為m _ （ 199 ）培養基，胎牛血清濃度為10 ，合適細胞接種密度為4 10 ~ 4 、 5 10 ~ 4個/ cm ~ 2 ，染色結果表明：油紅o染色是鑒定脂肪細胞的特異方法， gimsa和he染色可根據不同區域染色程度、著色差別判斷細胞核的位置及脂滴大小、多少，觀察大鼠前體脂肪細胞分化過程中的形態變化，進而確定脂肪細胞的分化階段。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求The contribution to the giant resonances from the currents of vector mesons are also examined, it shows that currents of vector mesons play an important role in collective giant resonances. by studying the properties of collective multipole excitations of nuclei, a general conclusion is that those effective lagrangians recently developed can well describe not only the nuclear ground state properties of finite nuclei, stable and unstable ones up to the nuclei drip lines, but also the collective excited states and giant resoancnes in doubly closed shell nuclei
通過對核的電多極巨共振性質的研究，我們發現現有的這些非線性的有效相互作用不但能夠很好地描述有限核的基態性質，包括球形和變形核以及遠離穩定線核，而且對一些雙滿殼核的集體激發態和巨共振性質也能進行合理地解釋，包括巨共振峰的位置和中心能量。The main results show that : ( 1 ) the mechanism of laser bending is very different from that in bending with hard tools. ( 2 ) the bending angle is varied along scanning direction, and there is a deformation wave in the process. ( 3 ) the effects of sheet length on bending can be neglected while the length is more than 10 times of thickness. ( 4 ) the sheet width has much higher influence on the bending process
分析發現：激光彎曲成形時板料的應力狀態與機械折彎時有根本不同；當激光束沿直線單向掃描時，板料兩端的彎曲角度不同；板料的長度大於10倍板厚或5倍光斑尺寸時，板長對彎曲角度的影響不再顯著；沿掃描方向，距離光斑中心3倍光斑尺寸以外的區域，仍然對彎曲變形量產生影響。To discuss the feasibility of applying this technique into the practice of engineering, this paper references the real project of the running tunnel from great showplace to scientific house in shenzhen metro, uses the geotechnical centrifuge of southwest jiaotong university, then researches the settlement of the ground and the influence on the pipeline underground in stratum with abundant water by the technique of undraining spin - spay pile, at last draws a conclusion about the principle of the ground settlement with the construction method of excavating soil rich in water without dewatering at shenzhen metro
為了探討離心模型試驗技術這一研究手段在地下工程中應用的可行性，結合地質、水文、結構較為復雜的深圳地鐵大科區間暗挖施工sk3 + 355斷面的具體實例，應用我校新近建成的100gt土工離心試驗機，採用離心模型試驗技術對在富水地層應用水平旋噴樁工藝進行控制降水施工對地表沉降變形及地下管線的影響進行了研究。It is necessary to reconstruct and design new experiment device to satisfy with education
化工原理實驗緊跟形勢增加了離心泵流量變頻調節章節。Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error
對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析，並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算，最後對誤差進行合成。As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique
針對葉片的結構特點，採用適應較強的三維八節點實體單元模擬葉片，建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時，受到離心力作用，使葉片發生大變形，故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態，建立了考慮葉根?輪緣接觸的有限元方程，利用拉格朗日增廣演算法來求解該方程，確定葉根輪緣之間的接觸面狀態。Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition
離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題，對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。The working state and deformation property of the structure of sheet - piled wharf renovated by the barrier pile project at berths 14, 15 of jingtang harbor were studied with centrifuge model tests
摘要結合京唐港（上標# ） 14 、 （上標# ） 15泊位板樁碼頭升級改造工程，運用離心模型試驗技術對採用遮簾樁方案進行改造的碼頭結構受力狀態和變形特點展開研究。In order to further optimize structure of the valve, the design need engineering analysis, and need feedback information of performance parameter in experiment to modify design. because of limited time, this paper establishes stress distribution and deform only by fea, and optimizes the structure of valve. it can ensure the valve meet the requirement of fact usage and assembly, and found good base for further research and experiment on body or out - of body and manufacture on large scale
為了進一步對瓣環和瓣葉作結構優化，設計還需要進行工程分析，還需要將實驗獲取的性能參數信息反饋回來，修改設計，由於時間關系本論文僅用有限元分析確定人工心瓣在工作及裝配時的應力分佈和變形情況，對瓣環和瓣葉的結構進行優化，以確保設計出來的人工心瓣滿足實際使用和裝配要求，為人工心瓣的進一步研究、進行離體和在體實驗及批量生產奠定良好的基礎。Centrifuge model test is a technique that is widely used in the research field of civil engineering. one of its most distinct advantages is that the process of deforming and being destroyed of the soil can be observed with prototype
離心模型試驗技術是目前在土木工程領域內進行科學研究競相採用的一項新的試驗技術，其優點是能在原型應力狀態下研究和觀察巖土工程的變形狀態和破壞過程。Bearing capacity and settlement of super large pile - cap and pile foundation were thoroughly analyzed with numerical analytical results validated by centrifugal model test
在用離心模型試驗成果驗證數值分析的正確性下，用其數值分析成果進一步深入分析群樁基礎的承載變形特性。This machine consists of bin, vibration chamber, coupling and motor. the vibration chamber is made up of eccentric wheel. rubber soft piece, main shaft and bearing. the adjustable eccentric hammering is transmitted to the centerline of main shaft by motor drive, and produce centrifugal force at unsteady state so as to change the strength of material and form vortex in the sieve. weghted regulator and amplitude can be adjusted as per different material and sieve mesh
本機由料斗、振蕩室、聯軸器、電機組成，振蕩電腦內由偏心輪、橡膠軟體、主軸、軸承組成，可調節的偏心重錘經馬達驅動傳到主軸中心線，在不平衡狀態下，產生離心力，使物料強度改變在篩內形成漩渦，重錘調節器和振幅大小可根據不同物料和篩網進行調節。And the theoretical a nalyses done in this paper are listed below : first, the experimental data on the members of varied parameters under torsion demonstrate the general rule of the deformation while the tubular is under torsion. the paper establishes three phases of the deformation of the tubular under torsion, namely, the elastic deformation, the elastic - plastic deformation, and ultimate failure. through regression analysis, a simplified method is proposed for calculating the capabilities of the tubular under elastoplastic torsion, and the formulary for bearing value, is also recommended as a reference in engineering design
本文根據不同參數的構件受扭性能試驗結果，研究了該結構受力變形全過程的基本規律，提出了受鈕全過程的三個工作價段，即彈性變形階段，彈塑性變形階段和極限破壞階段，經分析回歸得到扭轉全過程彈塑性的簡化分析方法及承載力計算公式，可供工程設計參考；同時根據本文的彎扭試驗結果以及對離心鋼管混凝土構件進行的理論分析，推導了彎扭試驗相關承載力的關系。A centrifuge testing program was undertaken to investigate the distributing of displacement on the embankments " cross sections and to observe the performance of these embankments at failure or the failure trend of these embankments. the responses of foundations were also analyzed. various slopes and various spacing of the reinforcements were considered in this testing program
通過離心模型試驗，對不同邊坡坡度、不同加筋密度的土工格柵加筋路堤及不加筋路堤橫截面上的位移分佈進行了對比分析，對各模型在不利工作狀況下地基的響應情況、路堤的整體變形情況、破壞情況及趨勢進行了觀察。分享友人