衰變原子 的英文怎麼說
中文拼音 [shuāibiànyuánzi]
衰變原子
英文
disintegrating atom-
During the disintegration energy is released from the nucleus.
在衰變時由原子核釋放出能量。From their work emerged the picture of radioactive decay that is still valid-a violently disruptive explosion of a single atom.
根據他們的工作，展現出至今仍然成立的關于放射性衰變的圖象--單個原子的強烈的分裂性爆炸。In october 1957, prof. yang in collaboration with prof. lee tsung dao made significant contributions to the theory of weak interactions by proposing that parity may not be conserved in weak interactions the forces long thought to cause elementary particles to disintegrate
一九五七年十月，他與李政道教授提出弱衰變過程中宇稱不守恆的原理，指真實世界與鏡子里的影像世界不對稱。簡而言之，就是說明了左右不對稱、不等同。The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved
導致本現象的原因是由於各有機層電場強度的變化影響了空穴和電子的隧穿幾率，從而導致載流子的復合區域發生改變而發出不同顏色的光; 3 ）制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ，空穴阻擋材料balq3的摻入顯著影響了oled的光電性能，當balq3的摻雜濃度為25mol %時， oled的發光效率為1 . 0lm / w ，發光光譜的峰值為440nm ，色純度為（ 0 . 18 ， 0 . 15 ） ，未封裝器件的半衰期達到了950小時; 4 ）在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時，不僅改善了器件的發光亮度和色純度，而且提高了器件的發光效率和壽命。An unstable radioactive nucleus can become stable by emitting particles and energy - a process called " decay "
一顆不穩定即具有放射性的原子核在放射出粒子及能量后可變得較為穩定，這個過程稱為衰變。An unstable ( radioactive ) nucleus can become stable by emitting particles and energy - a process called " decay "
一顆不穩定（即具有放射性）的原子核在放射出粒子及能量后可變得較為穩定，這個過程稱為衰變。In the children " market there is the training hot. it is not only because that the children are the our motherland ' s future and our country ' s hope and so it is necessary for them to be educated and trained, but also because that with the chinese families living standard rising and the family - structure changing and more and more family free - time and more time, money and the parent ' s energies devoted on the children, this market of out - of - school training for children is emerging and developing
究其原因不僅在於兒童是祖國的未來和國家的希望，他們素質的高低將決定一個民族和國家的興衰，因此對他們進行教育培訓是一項必須要做的工作，而且還在於隨著中國家庭生活水平的提高，隨著社會家庭結構發生的很大變化，隨著家庭閑暇時間的增加，當家長們有更多的精力、時間和金錢可以花在培養孩子身上時， 「兒童校外教育培訓市場」的出現和發展就應運而生了。A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay
核衰變產生的微粒或電磁波放射物的原子或分子由於核衰變放出的一束微粒或電磁波Compared with three - level atomic system, the atomic coherence effects in four - level can lead to eit and eia, which depend on the intensity of control light and the relaxation of the fourth level
與三能級原子系統相比，四能級原子相干效應即可導致電磁感應透明的產生，也可產生電磁感應吸收現象，取決于控制光的強度和第四個能級衰變率的大小。The operating principle of the compressed electret micromotor is the variable capacitance. the attenuation time constant of the charges on rotor surface is much longer than the shaping time of electret itself while the rotor is made of electret
扁平駐極體微電機的工作原理是電容可變原理，電機轉子採用駐極體材料製成，轉子表面電荷的衰減時間常數要比駐極體本身形成的周期長得多。Decaying with relatively short lifetime. used of subatomic particles
衰變的具有相對較短的壽命而衰變，常用於亞原子粒子As they are positively charged, their motion will be affected by an electromagnetic field. in general, heavy atoms having atomic numbers greater than 82 would tend to emit
在自然界內大部份的重元素原子序數為82或以上都會在衰變時釋放它，例如鈾和鐳。As they are positively charged, their motion will be affected by an electromagnetic field. in general, heavy atoms ( having atomic numbers greater than 82 ) would tend to emit
在自然界內大部份的重元素（原子序數為82或以上）都會在衰變時釋放它，例如鈾和鐳。During the decay process of a radioactive material, the total number of that nuclei decreases with time
放射性核素在衰變過程中，該核素的原子核數目會逐漸減少。The principle of proton radioactivity is introduced. the present status of experimental studies on proton radioactivity is reviewed
摘要介紹了質子衰變的基本原理，綜述了質子衰變實驗研究的現狀。By that is meant the time which elapses before half of the existing atoms have disintegrated or exploded.
這里所指的半衰期是現存原子的一半發生衰變或爆炸所消耗的時間。Each radioactive nucleus of a particular kind is responsive to a fixed decay probability per unit time.
每個特定類型的放射性原子彈對單位時間內一個固定的衰變幾率作出響應。The sense of this work is to gain a further understanding of helium in the two metals. on the diffusion of helium - 3 in two spherical shell samples made of 21 - 6 - 9 type of stainless steel, during the storage of tritium at the pressure of 6. 13mpa for about 4 and 6 years at room temperature and later exposed to air for another 3 and 1 year. first, a calculation based on the analytical and numerical method to the diffusion and decay theories was developed to evaluate the concentration distribution of helium - 3 by tritium diffusion and decay in the samples
在不銹鋼氚衰變~ 3he的擴散行為研究中，建立了氚和~ 3he濃度分佈的解析解和數值計算方法，以評估充氚不銹鋼球形容器壁中氚衰變~ 3he的宏觀濃度分佈，同時還用數值計算方法以求解氚和~ 3he的多步擴散行為；對樣品表面逐層蝕刻、同時收集釋放的~ 3he進行分析，分別實測了經室溫條件下在6 . 13mpa高壓氚中貯存4年和6年、空氣中存放3年和1年的兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he濃度分佈；結果表明：由於he在金屬中的不可容性， he原子偏聚于不銹鋼表面以及內部的局部區域，在整體趨勢上， ~ 3he分佈與計算結果相一致，根據理論計算，兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he到達的深度分別為350 m及500 m 。These unstable atoms disintegrate spontaneously, some very quickly, others very slowly, but in accordance with unchanging laws which it has never been possible to interfere with
這些不穩定的原子會自發地衰變，有些衰變的很快，有些則很慢，它們的衰變遵循著各種不可改變的規律，而這些規律是不可能受到干預的。A new type of battery based on the radioactive decay of nuclear material is 10 times more powerful than similar prototypes and should last a decade or more without a charge, scientists announced
一種以核子物質放射衰變為基礎的新型電池，電力比類似的原型強上十倍，在不充電的情況下應可維持十年以上，科學家宣布。分享友人