原子質量數 的英文怎麼說

中文拼音 [yuánzizhíliángshǔ]
原子質量數 英文
atomic mass number
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 數副詞(屢次) frequently; repeatedly
  • 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. Binding energy per nucleon as a function of mass number total number of protons and neutrons

    核的比結合能與和中的關系圖
  2. Where a is the mass number equal to the numbers of protons plus the number of neutrons in the nucleus, z is the atomic number equal to the number of protons in the nucleus, x is the chemical symbol of the atom

    表示, a是,是核內的及中目總和。 z是,等於目。 x是的化學符號。
  3. In other words, the same amount of energy will be given off when stand - alone nucleons come together to form the nucleus. when the binding energy per nucleon is plotted against the mass number, i. e. total number of protons and neutrons in a nucleus the bottom right figure, it is found that the curve peaks around the mass number 56, i. e. the iron nucleus

    如果把核內每顆核粒的平均結合能又稱比結合能與核中的和中的總繪製成圖右下圖,便可發現圖中曲線在大約等於56即鐵核時到達最高點,即是鐵核的總體能最低。
  4. In other words, the same amount of energy will be given off when stand - alone nucleons come together to form the nucleus. when the binding energy per nucleon is plotted against the mass number, i. e. total number of protons and neutrons in a nucleus ( the bottom right figure ), it is found that the curve peaks around the mass number 56, i. e. the iron nucleus

    如果把核內每顆核粒的平均結合能(又稱比結合能)與核中的和中的總)繪製成圖(右下圖) ,便可發現圖中曲線在大約等於56 (即鐵核)時到達最高點,即是鐵核的總體能最低。
  5. The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze

    採用發射光譜儀對進口低溫透明釉進行半定分析,並用吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出,分析化學成分對鉛、鎘溶出的影響.結果表明,進口低溫透明釉採用低鉛配方不能解決鉛溶出的超標問題,只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含,對釉的線膨脹系、熔融溫度和透明度等性能的影響.分析坯料、釉料的線膨脹系及其相互關系和釉料制備的工藝,研製出優的1000 1050低溫無鉛透明釉
  6. 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氣體增益介運動的光學布洛赫方程,運用介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,並且運用全理論,對激光工作理進行分析,得出二能級系統單模輻射場的光密度分佈,得出激光場的光統計分佈,模擬激光場的動態建立過程。
  7. During the process for production of inositol, the technological parameters and operation methods in several stages of preparation, acidolysis, neutralization, ion exchange and refining are very important factors influencing the quality and yield of products

    摘要在肌醇的生產工藝中,料預備、酸解、中和、離交換、濃縮、精製幾個工段的工藝參和操作方法,對產品的和得率影響很大。
  8. In order to meet the requirements of nda measurement, the laboratory of technical research for nuclear safeguards of china institute of atomic energy ( ciae ), is being in charge of developing four sets of nda standards : one set of segmented gamma - ray scanner ( sgs ) uranium standard, one set of sgs plutonhim standard, one set of plutonium isotopic standard, and one set of active well coincidence counter ( awcc ) standard. in this dissertation some pivotal techniques on quality control in developing of nda nuclear standards above were emphatically studied

    中國能科學研究院核保障技術重點實驗室研製分段y掃描裝置( sgs : segmentedgamma - rayscanner )鈾工作標準樣品、 sgs鈈工作標準樣品、鈈同位素標準樣品和有源中井型符合計裝置( awcc : activewellcoincidencecounter )鈾工作標準樣品來滿足核材料nda測的要求。本論文重點對上述nda核標準樣品研製過程中控制的一些關鍵技術進行了研究。
  9. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    )的增大,噪聲分別減小和增大;虛光過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光( ? )的增加而增大,隨著光場頻率和間耦合系g的增大而減小。本文還研究了充滿kerr介腔中「耦合雙-單模光場」相互作用系統的動力學性,研究了克爾效應對場的平均光、二階相干度、場熵演化特性及光場壓縮效應的影響。
  10. Within the frame of the abcd formulation of propagator of a time - dependent quantum system, the abcd law is extended to the so - called effective abcd system which effective beam quality factor is conservative ; we discussed the system like the propagation of the atom laser beam

    如果考慮激光內部間相互作用的影響,就要引入描述有品間相互作用綜合作用效果的物理? ?有效品和有效復曲率半徑,利用heisenberg圖像得到傳播的有效abcd形式。
  11. In chapter 2, a schrodinger formulation for paraxial light beam propagation of the real and comprehensive refractive indexes is represented. the equation for the atom laser beam wave - function is also given by a schrodinger equation, which is similar to the equation of the time - dependent system. therefore, it is possible to investigate the propagation of an atom laser beam

    第二章:本章介紹了傍軸光束在實折射率介和復折射率介中傳輸的schrdinger形式理論,同時指出由於激光的傳輸滿足schrdinger方程,與含時系統的傳輸方程類似,故利用含時系統的schrdinger形式理論來研究激光的傳輸是可行的。
  12. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時系統傳播的abcd形式理論的基礎上,引入某一方向的束寬、發散角、曲率半徑和品等光束傳輸參來表徵橫向勢能滿足x和y分相互獨立的激光的傳輸。
  13. After completing the mctf using db2 wavelet, it is well integrated with discrete wavelet transform ( dwt ) and embedded zero tree wavelet. it uses atom structure to organize the coded bit - stream to achieve the brilliant combination of three scalabilities : temporal, spatial and psnr scalabilities. and the software platform is based on vc + + 6. 0

    在基於db2小波的運動補償時域濾波方法實現之後,本文將之和離散小波變換( dwt ) 、嵌入式零樹編碼進行有機結合,並採用基於基本粒的據流組織結構將分層后的據流有效地組織起來,實現了具有時間、空間、三方面的完整可伸縮性的編解碼系統,系統的軟體平臺基於vc + + 6 . 0實現。
  14. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉-支承系統的振動現象做了以下初步探索:用離散化方法把系統簡化;採用matlab語言編制了對傳遞矩陣法計算多柔盤轉-支承系統的臨界轉速;用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應;並針對其過臨界轉速時振動較大的現象,提出採用變間隙控制油膜剛度和阻尼,從而使系統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行值模擬,取的了較好的控制效果。
  15. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光驅動場作用下,三能級在光晶體中的自發發射問題.由於干涉和光的局域化作用,兩個上能級中的占據將具有周期振蕩或準周期振蕩的性,這不僅依賴于兩個上能級與禁帶的相對位置,同時也依賴于的初始狀態,而且還與驅動場的強度、驅動場的入射位相有關.這些性既與真空中帶有驅動場的的自發發射性不同,也有別于無驅動場作用下光晶體中三能級的自發發射性
  16. Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly

    紅外故障檢測儀可以對電設備進行在線測,檢測時不會影響待測設備的正常工作和頻率特性,這對高頻電路的檢測尤其方便,且能提高診斷的準確性;他通常能指出電路板上的故障區域,甚至經常能直接找出故障元器件,這樣就提高了維修;並且能在不需要檢測人員對電路理有深入理解和分析的情況下,對同一塊電路板上的十隻甚至百隻器件同時進行快速診斷,這就大大減少了維修人員的工作,提高了維修人員的工作效率。
  17. In the forth chapter, the sl threshold pressures for bubbles with different noble gases were measured experimentally. results show that the threshold pressure increases with the decrement of molecular mass for gases inside the bubbles

    氣泡內的惰性氣體不同使氣泡內的絕熱系和熱擴散系不同,惰性氣體的越大,氣體的絕熱系就越大而擴散系就越小。
  18. Atomic mass conversion factor

    換算因
  19. The relative content of a particular element or constituent ( i ) within an alloy, usually expressed in weight percent or atom percent. also call it concentration

    合金中某一元素或組分的相對含,通常用百分百分來表示。也稱為濃度。
  20. Any of two or more kinds of atoms having the same atomic mass but different atomic numbers

    異位素兩種或各多種有相同但卻有不同的中的任一種
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