查询词典 alpha rays

It is calculated according as the quantity of air molecules ionized by the alpha rays decayed by radon and its progeny as the air is inhaled to the ionization chamber by the air pump.

采用的测量原理是通过气泵把空气吸入电离室内，通过测量氡及其子体衰变放出α射线使空气分子电离的量来间接测量空气中的氡浓度。

Fifteen years later, by bornharding with alpha rays certain of the lighter atoms, nitrogen and aluminium for example, Lord Rutherford demonstrated the ejection of protons, or positively charged hydrogen nuclei

15年后他用a射线轰击某些较轻的原子，如氮原子和铝原子，向人们展示质子，即带正电荷的氢核的排斥现象。

Intelligent nuclear instrument has been a dominant developing direction of radioactivity measurement instrument. The instrument for radon measurement of air pulse ionization chamber, based on the theory that alpha rays decayed by radon and its progeny can ionize the air molecules, can measure the radon concentration accurately.

智能核仪器已成为放射性测量仪器发展的一个主导方向，利用氡及其子体衰变放出α射线能使空气分子电离的理论设计的空气脉冲电离室α测氡仪可以准确地测量空气中的氡浓度。

Alpha and beta particles and gamma rays contain sufficient energy to ionize molecules in cells.

粒子和γ射线蕴涵足够的能量使得细胞中的分子发生电离。

The next thing he found out was that if he put his hand between the rays and a photographic plate, the rays

他发现的第二件事情是假如他将手放在射线和感光板之间，射线会在板上印出手骨胳结构的影子。

The next thing he found out was that if he put his hand between the rays and a photographic plate,the rays could print a shadow of a bony framework of his hand on the plate.

他发现的下一件事是，如果他把他的手放在这种射线和照相的底板之间，这种射线可以把他手的骨架在照相底板上印出一个影子。

The next thing he found out was that if he put his hand between the rays and a photographic plate , the rays would print a shadow of the bony framework of his hand on the plate .

接着他又发现，当他把手放在射线和摄影感光盘之间时，射线就会将手部骨架的影子印在感光盘上。

The next thing he found out was that if he put his hand between the rays and a photographic plate, the rays would print a shadow of the bony framework of his hand on the plate.

他发现的第二件事情是假如他将手放在射线和感光板之间，射线会在板上印出手骨骼结构的影子。

There are 8-9 spines and 7-8 soft rays in anal fin, and 7-8 soft rays in the pectoral fin.

肛门的肋片和在胸鳍 7-8 软线有 8-9 刺和 7-8 软照射。

The Curies tried to compare their rays with Becquerel's rays, to find the commonalties.

居里夫妇试着对这两种元素的射线与贝克雷尔的射线进行了比较，以便找到具有放射性的元素郡体。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？