旋括作用 的英文怎麼說

中文拼音 [xuánkuòzuòyòng]
旋括作用 英文
sweeping action
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 括動詞1. (扎; 束) draw together (muscles, etc. ); contract2. (包括) include
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. In this thesis, based on racah method of two - electron atom and non - relativistic energy structure for helium - like atoms, the relativistic corrections and the fine structure of helium - like atoms, including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms, the orbit - orbit interaction, the spin - orbit interaction, the spin - other - orbit interaction and the spin - spin interaction, are studied systemically using irreducible tensor. concretely, the main works of this thesis are as follows

    本文以雙電子原子結構的拉卡理論和類氦離子的非相對論原子結構的計算結果為基礎,利不可約張量理論,較為系統地研究了類氦離子的相對論效應和精細結構,包相對論質量修正、達爾文修正、電子與電子之間接觸相互、軌道-軌道相互、自-自相互、自-其它軌道相互以及自-軌道相互
  2. Technical system includes the injector and the accelerator subsystem, synchrotron, beam transport, gantry with beam transport and nozzle, treatment couch and control subsystems etc

    技術系統包入射器的加速器、高能加速器(可採同步?加速器) 、射束輸送管、轉架質子輸送和射?管口、治療床、管制次系統等。
  3. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所的具體工:測量原理的研究和在系統中的實現,在本次設計中三種方法來進行水位測量,分別是轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應,在此,我們實現了單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應給整臺儀器提供了時間基準,方便了儀器的使;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包報警電路設計、操鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  4. The damage bonus is applied to all enemies that are hit by the whirlwind attack, including the primary target

    加成傷害對所有受到風攻擊的敵人起,包第一個目標。
  5. As such, the main part of the assessments carried out for this study use the roundabout interchange, but the later part of the study, including the land use impact assessment, the preparation of development plans and the landscape and visual impact assessment, has used the grade separated interchange ( see

    本研究的主要評估部分以迴交匯處為主要評估對象,但其後部分(包土地途影響評估、擬備發展計劃及景觀與視覺影響評估)則採分層道路交匯處進行評估。
  6. In a word, a new method that theoretically calculates the relativistic corrections and the fine structure of the energy levels in two - electron atom, including the atomic hamiltonian expressed by spherical tensors, the calculation of the angular matrix elements and the summations over spin of the various interactions in the atomic hamiltonian, and the approximate calculation of the radial matrix elements, has been provided in this thesis

    總之,本文為雙電子原子能級的相對論修正和精細結構的理論計算提供了一種新的方法,包原子哈密頓算符的球張量表示方法、原子哈密頓中各種相互項的角向矩陣元和自求和的計算方法,以及徑向矩陣元的近似計算方法
  7. Subsequently, the waves induced forces and their driven effects on currents are studied in detail. in the discussion of the effects of currents on waves, according to the wave radiation theory and the law of wave action conservation, the equivalence of none vorticity condition of the vector of wave number in constant wave field and fermat theory is testified. the dynamic and kinematics effects of background currents on waves are introduced concisely

    在流對浪的討論中,依據波動的射線理論和由變分原理導出的波量守恆定律,闡明了穩定波場波數矢量的無條件與費馬原理的等價性,扼要討論了背景流場影響海浪的運動學效應和動力學效應,首次指出水位(包天文潮位與風暴潮位)變化對海浪成長與消衰的影響,為流浪潮聯合數值模式的發展提供必要的理論依據。
  8. With the time - evolution operator obtained by means of su ( 2 ) spin coherent states we are able to derive analytic time - evolution of spin probability - current between the two quantum dots for various initial states

    我們利su ( 2 )自相干態獲得包庫侖相互hubbard模型的時間演化算符,得到解析的含時自流。
  9. Effects of physical factors on the growth of strain ag were of light intensity, temperature, inoculum volume, initial ph, effects of nutrient factors on the growth of strain ag included organic carbon sources, organic nitrogen sources, growth factors, hormone etc., and the correlation among nutrient factors being considered. the growth condition of single filament on the plate was also studied

    主要內容包物理因子如光強、溫度、接種量和ph值等對螺藻生長的影響;化學因子包有機碳源、有機氮源、生長因子、生長激素等對螺藻生長的影響及這些營養因子之間的綜合,並解決了單藻落平板生長問題。
  10. Firstly, with the help of angular momentum coupling theory, the hamiltonian for multi - electron adorns is rewritten in terms of spherical tensors. the advantage of this form is that the radial, angular and spin parts are separated completely, which makes it easy to calculate the angular matrix elements by means of irreducible tensor. secondly, theoretical expressions of the relativistic corrections including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms and the orbit - orbit interaction which contribute to the non - relativistic energy for two - electron atom are theoretically derived in the lsmlms scheme

    具體內容包:首先,藉助角動量耦合理論,將多電子原子哈密頓算符中的自-自、自-其它軌道以及軌道-軌道相互全部改球張量表示,這種球張量形式的優點在於已將原子哈密頓算符中的徑向、角向和自部分完全分開,從而便於計算矩陣元,而且角向矩陣元可以方便地利不可約張量理論來進行計算。
  11. The method can describe the relativistic dynamic behavior of particles accurately and is especially adaptive to simulate the dynamic behavior of particles in ultra - intense laser field. 2. a charge conserving current weighting algorithm, which is based on the current conservation equation, is used in the code

    該程序的主要特點是對粒子模擬中的一些演算法進行了優化,主要工: 1 、將等離子體粒子模擬中得到廣泛應的borris轉推動粒子方法進行了改進。
  12. The main context of this dissertation focuses on three aspects. the author simulates and optimizes the helix - slow wave structure by using the high frequency electromagnetism code cst mws, gets the results which the shape of the supports of helix impacts on the dispersion characteristic and the coupling impedance. then using ansys software, the author analyzes the thermal contact resistant will impact the thermal characteristic of the helix - slow wave structure and get the temperature of the helix slow - wave structure

    本論文主要包以下三方面的內容:者使cstmws軟體對螺線慢波結構的夾持桿形狀進行了優化;分析了夾持桿形狀對慢波結構色散和耦合阻抗的影響,同時還分析了接觸熱阻對螺線慢波結構散熱性能的影響,找到了兼顧螺線慢波結構電特性和散熱性能的夾持桿形狀。
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