radioactive particles 中文意思是什麼

radioactive particles 解釋
放射性微粒
  • radioactive : adj. 【物理學】放射性（引起）的。n. -activity 放射性；放射（現象）。
  • particles : 粒子系統工具欄
  1. Alpha particles emitted by radioactive nuclei have energies of a few mev.

    由放射性原子核發射出的粒子能量一般為幾個Mev。
  2. Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.

    粒子是從天然放射性蛻變得到的帶正電的氦核。
  3. Very few alpha particles from radioactive sources can travel more than 1 to 3 inches in air before being stopped.

    在空氣中從放射源放出的粒子在停止以前只有很少能穿過13英寸的距離。
  4. These radionuclides undergo radioactive decay, by emitting harmful alpha particles, beta particles or gamma rays

    它們在衰變期間會放出對人體有害的粒子粒子或射線。
  5. The geiger counter registered a high concentration of radioactive particles

    蓋革計數器示出放射性粒子的高濃度。
  6. Alpha particles emitted by radioactive nuclei have energies of a few mev

    由放射性原子核發射出的粒子能量一般為幾個mev 。
  7. Both uranium and plutonium are radioactive, and their activity consists in the emission of what are called "alpha particles".

    鈾和鈈二者都具有放射性，它們的放射性包括放射所謂粒子。
  8. 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。
  9. 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。
  10. 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
  11. Over 25 isotopes of polonium are known, with atomic masses ranging from 192 to 218. polonium - 210, the predominant isotope of polonium, is radioactive and emits alpha particles on decay

    現時已知道釙元素有25個同位素，它們的質量數由192至218 ，釙210是當中顯著的一個同位素，具放射性特徵，會釋出放射性阿爾法粒子。
  12. Such a bomb, if exploded near the ground or under water, sends radioactive particles into the upper air

    這種炸彈如果在近地或水下爆炸，會把放射性微粒送入高層大氣。
  13. It takes advantages of modern computer to fit all the experimental information, hence a very powerful pwa method. in this thesis, we use this method to analysis hadrons japdecay model jap - > ( ptt - tr + and j p radioactive decay model based on the pwa amplitude, we received mass distribution of two outgoing pious and angle distribution of the outgoing particles using the cern program. finally we compared tow different form factors ( barrier factors and gauss factor ) wh ich were always used the calculating of pwa amplitude

    本文採用這種分析方法給出的j強衰變j ~ - ~ +和j粒子輻射衰變j ~ - ~ +分波振幅公式，利用cern的蒙特卡羅模擬程序繪出了末態粒子的角分佈和不變質量分佈，對分波分析中常用的兩種動力學形狀因子（中心位壘因子和高斯壓低因子）進行了研究比較。
  14. These effects have been confirmed in highly sensitive experiments, and relativity is now a basic, everyday tool of experimental physics : particle colliders take advantage of the increase in mass and lifetime of fast particles ; experiments with radioactive isotopes depend on the conversion of mass into energy

    這些效應已經由高靈敏度的實驗證實，而且相對論現在已成為實驗物理學基本的日常工具：粒子對撞機利用增加快速粒子的質量與生命期來進行實驗；放射性同位素的實驗則依靠質量轉變成能量。
  15. Above 450, the formation of low density u ( al, si ) 3 phase, together with the release of the impurity gas and fragmentation of u3si2 particles, will cause fuel meat to swell, al matrix to crack and u3si2 particles to invade to clad. as a result, the thickness of the meat increased, the thickness of clad decreased and the deformation of fuel plates increased, and the leakage probability of the radioactive mass increased reasonably

    同時，由於芯體膨脹及鈾硅顆粒碎裂的綜合作用，使u _ 3si _ 2顆粒向包殼侵入，最終使燃料板芯體厚度增加較大，芯體及燃料的體積也顯著增加，包殼厚度減薄；高溫將加速芯體u _ 3si _ 2顆粒碎裂、芯體開裂、包殼以及燃料板變形，從而使燃料芯體與包殼脫開，最終可能導致放射性物質泄漏。
  16. Of radioactive particles and microwaves

    太陽風里包含著放射性粒子和微波
  17. Which are a lethal blend of radioactive particles and microwaves

    那是放射性微粒和微波的組合具毀滅性
  18. Isotopes that emit radioactive particles ; a stove emitting heat

    發射出放射性粒子的同位素；發出熱量的爐子
  19. No one knows how widely such lethal radioactive particles might be diffused, but the best authorities are unanimous in saying that a war with hydrogen bombs is quite likely to put an end to the human race

    沒有人知道這種致命的放射性微粒怎麼會傳播得這么廣，但是這個領域的最高權威一致表示：一場氫彈戰差不多就是滅絕人類的代名詞。
  20. Particles, etc. emitted by radioactive materials as they

    放出的粒子例如粒子及粒子等。
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