旋向性 的英文怎麼說
中文拼音 [xuánxiàngxìng]
旋向性
英文
handedness-
Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron
迴旋脈塞器件? ?迴旋管作為大功率毫米波源，在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，因此受到了國際上的廣泛重視，特別是近三十年來，迴旋管得到了快速的發展，並成為了研究的熱門方向。This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied
簡單介紹大型旋轉機組軸向力在線監控裝置，然後詳細介紹軸向力測力彈性元件的有限元分析，為了提高所研製的測力傳感器的性能，採用有限元方法計算了彈性元件在軸向力f = 3 104n時的應變、應力、靈敏度及軸位移等的分佈情況，分析結果表明：所設計的測力傳感器完全符合廠方的要求及儀表性能指標。Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。Then, we introduce the double - fermion representation of one - dimensional isotropic xy spin - 3 / 2 chain model
最後，我們介紹了一維各向同性xy自旋- 3 2鏈模型的雙費米子表象。The northern spread of high - layer inertia - gravity wave could result in the development and northern moving of low - layer vortex and precipitation
高層向北傳播的重力慣性波可導致低層的渦旋和降水發展和北移。Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理，從影響旋噴樁復合地基豎向承載力的因素入手，基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究，提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析，深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定，並提出相應的設計方法和修正參數;此外，結合工程應用，對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind
一維模式的流場結果表明，混合層中的流場是由慣性波動與時間平均流兩部分疊加而成，且通過時間平均消去慣性波動后得到平均流，其不同深度的流速矢量構成一ekman螺旋，表層流速矢量相對風向右偏了30 . 3 』 。Topics covered include hydrostatics, transverse stability, and the incorporation of the design spiral into one ' s working methods
涵蓋主題包括靜水力學，橫向穩定性，以及將設計螺旋融會到個人的工作方法中。Insert nut is designed for rapid installing into thermo - plastics by means of ultrasound. its two opposite helical knurl bands provide a combination of high torque and pulling out resistance
壓入式螺母通過加熱或利用超音波可快速安裝到熱塑性塑料中，它的兩道相反旋向的壓花帶可提供較高的抗扭轉和抗拉拔能力Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義Basing on the premise that the capability of the transmission and the technique are synthetically considered, three new kinds of gear pairs is given, that is, loxodromic normal circular - arc spiral bevel gears, geodetic normal circular - arc spiral bevel gear, and hyperbolic normal circular - arc gear
在綜合考慮傳動性與工藝性等要求的前提下，提出斜航式與測地式法向圓弧螺旋錐齒輪傳動、雙曲型法向圓弧齒輪傳動等兩類三種齒輪副的構思。In chapter 2, a simplified analytical model is presented for the analysis of the bvi mechanism, adopting the beddoes " prescribed wake model. by this model, the azimuthal location and miss - distance of the bvi and the radiation directivity of the bvi noise are calculated and discussed, and some conclusions are obtained
在第二章，使用beddoes預定尾跡模型，建立了一個用於旋翼槳-渦干擾特性機理分析的簡化數學模型，分別對旋翼槳-渦干擾位置、槳-渦干擾距離和聲輻射方向性等進行了計算和分析，得出了有意義的結果。Principles : model pmqzq permancent magnet lifter has strong magnetic path produced by nd - fe - b magnetic materials. on and off of the magnetic path is controlled by turning the manual handle
永磁起重器是由強磁釹鐵硼磁性材料組成磁路系統，產生強磁，通過手柄的旋向，控制磁路關閉，達到工作目的。Principles : permanent magnet lifter has strong magnetic path produced by nd - fe - b magnetic materials. on and off of the magnetic path is controlled by turning the manual handle. permanent magnetic lifters have magnet as power. and its lifting power will never weaken
永磁起重器是由強磁釹鐵硼磁性材料組成磁路系統，產生強磁，通過手柄的旋向，控制磁路關閉，達到工作目的，永磁起重器採用磁做動力，工作長久不變。This machine can be made into left type and right type in line with different revolving directions of draught. this picture is left type. materials of filtering bag should be selected in line with performance of the air
該機按進風口旋向不同可製成左右兩種型式本圖例為左旋根據氣體性質，應選用不同的濾袋材料訂貨時一併註明。The chiral compounds synthesized in the project have an unsaturated double bond, which can be mixed with polymerizable nematic liquid crystal compounds, and the resulting mixture can be polymerized to form an optical film having cholesteric liquid crystal texture
具有可聚合基之旋光性化合物可添加於可聚合型向列型液晶單體中，聚合成具有膽固醇相、反射特定波長之光學薄膜，且較少用量之高螺旋扭轉力性質之旋光性化合物即可配出特定螺距之膽固醇液晶紋理。Rhythmicility or periodicity of the depositional strata is materialized by the transformations of lithological characters in strata ordinally, and it is incarnated by the transformations of ingredient, granularity, color, intensity of the depositional compensation, intensity of oxidation - deoxidation, and the character of biome
沉積巖層的韻律性或旋迴性特徵由巖層的巖石學性質在縱向上的（隨時間的）有規律變化所決定，這些變化主要由以下方面所體現，包括：組分變化、粒度變化、顏色變化、沉積補償強度變化、氧化還原強度變化，以及化石群性質變化等。Finally, compared with the 2d result, the synthetic jet that 3d numerical simulated has a definite direction. the 3d result, however, has a much smaller fluctuation owing to the span - wise instability which created a breakup of coherent vertical structure into smaller scales, it therefore compares more favorably with the measured data in tests
三、三維模擬結果顯示合成射流的方向性極佳，與二維模擬相比較，三維數值模擬的速度波動較二維模擬要小，旋渦的相干結構衰弱，這是因為三維模擬考慮了流動的橫向不穩定性，這更加接近實際情況。Many times structure movements of huanhua basin result in many times water progradation and retrogradation. cycle sediment in portrait and stratum lapout & denudation in plane and vary of different types sand body are resulted in sediment process. it provides better condition for subtle trap
研究表明，黃驊坳陷構造運動的多期性形成多次水進水退，在沉積上產生了縱向的多旋迴性和平面上的地層超覆與剝蝕以及不同類型砂體的變化，為隱蔽油氣藏的形成提供了良好條件，盆地中區是隱蔽油氣藏較為集中的分佈區。In some ways, an electron is just like such a spinning sphere of charge ? an electron has a quantity of angular momentum ( its “ spin ” ) and an associated magnetism, and in an ambient magnetic field its energy depends on how its spin vector is oriented
就某種意義而言，電子可類比於一個旋轉的帶電小球：它帶有角動量（就是自旋）以及伴隨而來的磁性，而它的能量是由自旋向量與外加磁場的關系來決定。分享友人