核質量單位 的英文怎麼說

中文拼音 [hézhíliángdānwèi]
核質量單位 英文
atomic mass unit
  • 核 : 核構詞成分。
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  2. The main products became a shortlist of national pipeline bureau in 2000 ; passed through iso9001 - 2000 international standard quality system certification in 2001 ; ranked as recommended products by china petrol - chemical group and successively obtained physical market entrance permissions awarded by major oil fields within nationwide in 2002 ; audited to be a membership of china petroleum distribution corp. ( energy ahead ) in 2003 ; gained pressure conduit component manufacture license ( for products such as insulation joint, fast - opening blind, receiver & launcher, etc. ) awarded by the general administration of quality supervision, inspection and quarantine of the prc in 2004 ; and obtained pressure vessel manufacture license in 2005

    公司主要產品於2000年成為國家管道局入圍產品； 2001年通過了iso9001 - 2000國際標準質量體系認證； 2002年被中國石油化工集團列為推薦產品，並先後獲得國內各大油田的物質市場準入證； 2003年經審核成為中國石油銷售總公司（能源一號網）會員單位； 2004年遼寧省首家獲得（絕緣接頭、快開盲板、收發球筒有關產品）中華人民共和國質量監督檢驗檢疫總局頒發的壓力管道元件生產製造許可證； 2005年取得了壓力容器生產製造許可證。
  3. To enhance the management and maintenance of aids to navigation, ensure its good usage condition, and guarantee the safety shipping, this paper has research on the quality assessment of china costal aids to navigation, and the object to research is sub - regional msa ( maritime safety administration ) which is the maintenance unit of costal aids to navigation and regional msa which is the integrated management unit of costal aids to navigation

    論文研究的目的是為了加強對航標的管理和維護，保證航標處于良好的使用狀態，保障水上交通運輸安全。論文主要是對中國沿海航標的質量考核進行研究，研究對象是沿海航標的維護單位? ?航標處，和沿海航標的綜合管理單位? ?海區。
  4. System takes intel 16 micro - controller as the core controller and adopts advanced ipm module that replaces the silicon as inverter so that the output waveforms have been heavily improved, which compare with the waveforms after chopping of silicon, which not only reduces the loss of the transformer, but also lengthens the light life - span

    系統採用先進的智能功率模塊（ ipm ）取代以往的可控硅作為功率變換器件，以intel16位單片機為核心控制器採用ac - dc - ac變換技術使輸出的波形較可控硅斬波后的波形有很大的改善，這不僅降低了變壓器的損耗而且延長了燈的壽命，提高了系統的運行質量。
  5. Most astronomers are convinced of the existence of the so - called stellar black holes, which collapse out of single star and have masses up to 10 times that of the sun. a famous example of this kind of black holes is cygnus x - 1. likewise, supermassive black holes, which can have the mass of billions of stars and sit in the centre of galaxies, are also believed to exist

    一向以來，大部份天文學家都相信宇宙中存在著兩種黑洞，一種是由單顆恆星塌縮而成，質量比太陽大約十倍的恆星型黑洞，例如天鵝座- 1另一種是超重黑洞，這種黑洞位於星系核心，質量可達太陽數十億倍，例如我們的銀河系中心，就有一個名為人馬座a ，質量比太陽大300萬倍的黑洞。
  6. On the basis of the implementation opinions on enterprises measurement confirmation issued by committee of planning & economy of jiangsu province and bureau of quality technical supervision of jiangsu province, upon audition a certificate will be granted since the measurement work in product quality, management and administration conformed to the requirements stipulated in " specification for measurement conformity confirmation of jiangsu province "

    根據江蘇省計劃與經濟委員會和江蘇省質量技術監督局關于企業計量確認的實施意見，經審核，確認你單位在產品質量和經營管理等方面的計量工作符合《江蘇省企業計量合格確認規范》規定的要求，特發此證。
  7. Because mathematics philosophy is largely the core of the philosophy of mathematics education, we briefly consider the essence of mathematics combined with the constructivism ernest creates the social constructive philosophy of mathematics going with the theory of mathematics pattern, we point out the development of mathematics is a constructive process of quantification pattern its accuracy should be identified by the mathematics community concepts, formulas, theorems and methods are all patterns the study of current philosophy reveals the definite philosophy of mathematics has turned into empirical and quasi - empirical philosophy the philosophy determines there are not only observing and proof, but understanding, analyzing, guessing, cooperation and communication in the learning community in the progress of mathematics development

    由於建構主義受到了多種哲學思潮的影響，我們必須堅持辯證唯物主義的觀點，對它進行批判與分析，否則就容易走向極端，導致相對主義和唯心主義。由於數學哲學的研究在很大程度上占據著數學教育哲學的核心位置，我們結合建構主義對數學本質作了簡單的考察。英國學者歐內斯特創立了社會建構主義數學哲學，結合數學模式論，我們指出數學的發展是量化模式的動態建構過程，它的準確性要經過數學共同體的認同。
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