查询词典 gamma ray

When surface alpha ray flux of granite are higher than 0.0052Bqcm〓, radionuclides gamma ray analyses must be done to determine if their internal and external indexes are in the range of'A'limits of national criteria of China.

3.1 花岗石的表面α筛选值本论文得到的花岗石的表面α水平与外照射指数的拟合关系为： I〓=0.2802+181.3α-1614α〓从拟和曲线可得：当花岗石的表面α水平低于0.0052 Bqcm〓时，内外照因子都在国家标准GB 6566-2001对A类饰材的的限制以内。

It's likely that such black hole central engines generate the radio, X-ray, and gamma-ray energy radiated by Centaurus A and other active galaxies.

而半人马座 A 和其他活跃星系在电波、 X 射线和伽玛射线等波段所发出的能量

He explained that it would generate a cosmic ray superwave, and it would be signalled by a gamma ray burst.

他解释说，这将产生的宇宙射线superwave，并会由伽玛射线爆发的信号。

Simulative experiments were done and it was found in a certain range of mass thickness, the attenuation rule of X-ray was like that of the single energy gamma ray.

将它用作物质的透射模拟实验，发现在一定厚度范围内，它与某单能光子的强度减弱规律相同而等效。

Ray emitting radio pulsars which shine on their own, there are a large number of galactic neutron stars and black holes which owe their gamma-ray light to the effect of a companion star.

与释放出v射线辐射的脉冲星自己闪烁不同，很多极大的中于星和黑洞受其伴星的影响，也释放出y射线。

At present, this kind of GaAs photoconductor detector has had practical value. It can detect X-ray, gamma-ray, laser pulse successfully at the room temperature.

目前，我们研制的砷化镓光电导探测器可以在室温下对X射线、γ射线及激光脉冲进行测量，有一定的实用价值。

Of which,wet basis ash content is defined by gamma-ray log,and the precondition is the ash mainly argillaceous and contains no radioelement;carbon is defined by density log and artificial gamma log,and moisture calibration for density log ;saturated porosity is defined by density log after ash calibration;gas content is defined by acoustic log and density log compou.

其中以自然伽马测井确定湿灰分，该方法的前提条件是湿分主要是泥质且泥质不具放射性元素；以密度测井与人工伽马测井确定含碳量，并对密度测井作湿分校正；以灰分校正后的密度测井确定饱和水孔隙度；含气量的估算以声波测井和密度测井组成的复合参数ΔT/dDEN来确定，或以视电阻率曲线确定含气量。

The analysis of the experimental curves shows that ,the larger the size of the madia,the lower is its gamma -field and the higher its attenuation ratio;with the increasing temperatureof the media, the absorbent of gamma - ray and the attentuation ratio increase.

经试验的数据曲线分析表明，介质粒度越大，其γ场降低，衰减率高；而介质的湿度越大，介质对射线的吸收量增高，衰减率增高。

This paper gives an experimental techniques to measure gamma-ray heating inthe zero-power reactor with the ~7LiF thermoluminescent dosimeters,cavi-ty-ionization theory is used to determine the relationship between the gamma-rayheating in the medium and the energy deposition in a TLD placed within the me-dium.

零功率堆；γ发热；空腔电离理论；热释光剂量计；本文给出使用~7LiF 热释光剂量计在零功率堆上测量γ发热的实验技术。使用空腔电离理论确定介质里的γ发热和安放在介质内的 TLD 里沉积能量之间的关系。

It will provide a detailed space-time picture of the showerfront allowing to face a wide range of fundamental issues including gamma-ray from point sources, diffuse gamma-rays from the galactic plane, GRB'sphysics, the measurement of the〓/p ratio, the primary proton spectrum, thesun and heliosphere physics.

它将提供大气簇射前锋的时间-空间图象，用来研究γ点源、银道面弥漫γ射线、γ暴物理、反质子和质子之比、原初质子谱、太阳和日光层物理等许多基本课题。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。