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 花崗石的表面α篩選值本論文得到的花崗石的表面α水平與外照射指數(shù)的擬合關(guān)系為： I〓=0.2802+181.3α-1614α〓從擬和曲線可得：當(dāng)花崗石的表面α水平低于0.0052 Bqcm〓時(shí)久久79视频，內(nèi)外照因子都在國家標(biāo)準(zhǔn)GB 6566-2001對A類飾材的的限制以內(nèi)在线视频国产高清。

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.

而半人馬座 A 和其他活躍星系在電波、 X 射線和伽瑪射線等波段所發(fā)出的能量

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

他解釋說免费黄片看裸，這將產(chǎn)生的宇宙射線superwave国产又大又硬又粗又黄，并會(huì)由伽瑪射線爆發(fā)的信號(hào)。

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.

將它用作物質(zhì)的透射模擬實(shí)驗(yàn)在线鲁一鲁，發(fā)現(xiàn)在一定厚度范圍內(nèi)一道本dvd无码二区直播，它與某單能光子的強(qiáng)度減弱規(guī)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.

與釋放出v射線輻射的脈沖星自己閃爍不同，很多極大的中于星和黑洞受其伴星的影響免费无码国产在线观看91，也釋放出y射線欧美黄色视频A一级黄色视频。

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，我們研制的砷化鎵光電導(dǎo)探測器可以在室溫下對X射線亚洲爽爽爽爽爽爽成年网站、γ射線及激光脈沖進(jìn)行測量丝袜美腿视频无码二区30p，有一定的實(shí)用價(jià)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.

其中以自然伽馬測井確定濕灰分日日狠狠久久影院，該方法的前提條件是濕分主要是泥質(zhì)且泥質(zhì)不具放射性元素18禁无码黄片；以密度測井與人工伽馬測井確定含碳量，并對密度測井作濕分校正美女视频黄色网站免费看；以灰分校正后的密度測井確定飽和水孔隙度亚洲三级片国产AV；含氣量的估算以聲波測井和密度測井組成的復(fù)合參數(shù)ΔT/dDEN來確定，或以視電阻率曲線確定含氣量国产精品日韩在线观看最大。

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.

經(jīng)試驗(yàn)的數(shù)據(jù)曲線分析表明中文字幕5页，介質(zhì)粒度越大，其γ場降低成年人黄色视频在线免费，衰減率高国产.com；而介質(zhì)的濕度越大人成视频免费视频在线观看播放，介質(zhì)對射線的吸收量增高日韩人妻无码精品五五，衰減率增高。

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.

零功率堆男人直接插女人下面黄视频在线播放；γ發(fā)熱日韩人人操操操；空腔電離理論；熱釋光劑量計(jì)国产一级AV网站在线；本文給出使用~7LiF 熱釋光劑量計(jì)在零功率堆上測量γ發(fā)熱的實(shí)驗(yàn)技術(shù)日韩在线黄色片精品相关视频。使用空腔電離理論確定介質(zhì)里的γ發(fā)熱和安放在介質(zhì)內(nèi)的 TLD 里沉積能量之間的關(guān)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.

它將提供大氣簇射前鋒的時(shí)間-空間圖象www4438，用來研究γ點(diǎn)源黄色网站18岁以下禁止进入、銀道面彌漫γ射線、γ暴物理女人被草视频、反質(zhì)子和質(zhì)子之比国际a极性爱片、原初質(zhì)子譜、太陽和日光層物理等許多基本課題被操高潮了视频。