釷鈾 的英文怎麼說
中文拼音 [tǔyóu]-
It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust
研究表明：野外地面射線能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線，這裡面包含著鈾、釷、鉀等天然放射性核素信息，核工程活動產生的大量人工放射性核素信息以及射線與地殼相互作用產生的相關信息。Uranium and thorium in physical or chemical form or the mixture of uranium and thorium, excluding the nuclear fuel indicated in article 3
二任何物理或化學形式之鈾、釷或二者之混合物；但不包括第三條所指之核子燃料在內。Natural gamma ray spectrometry log can provide total gamma - ray value, and kth, u, and k contents that have important applications in glutenite reservoir
自然伽馬能譜測井可以測量地層總自然伽馬、無鈾伽馬、鈾、釷和鉀的含量，在砂礫巖油藏中具有重要的應用價值。Regulations for safe management of radioactive wastes from the mining and milling of uranium and thorium ores
鈾釷礦冶放射性廢物安全管理技術規定A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances.
少數元素，其中有鈾和釷，通過它們核的變化自然蛻變成較輕的元素。Determination of thorium in uranium ore concentrate by thorin photometric method
鈾礦石濃縮物中釷的測定釷試劑光度法I was struck by the fact that the activity of uranium and thorium compounds appears to be an atomic property of the element uranium and of the element thorium
我突然意識到，鈾化合物和針化合物的這些活性似乎是元素鈾和元素釷的原子屬性。Thorium ore, uranium ore, or mixed ore of uranium and thorium in which the rate of content weight uranium and thorium is higher than five - ten thousandths
一釷礦物、鈾礦物或鈾釷混合之礦物，其含有鈾、釷之成份重量比在萬分之五以上者。Because of sub - critical safety, fully using of the thorium - uranium resources and efficiency disposal high - radioactivity waste, this research has become the hot pot
因為具有次臨界安全性、充分利用釷、鈾資源和高放射性廢物的處置三大優點，成為研究的熱點。The data of natural gamma ray spectrum logging are of well conformity with the contents of thorium, uranium and potassium obtained by surface gamma ray survey, laboratory analysis and aerial gamma ray spectrum survey
對自然伽馬能譜測井儀、地面伽馬能譜、室內分析、航空伽馬能譜測量的同一地點釷、鈾、鉀元素含量進行對比分析得知，各種方法所得結果具有較好的一致性。Methods for chemical analysis of thorium nitrate - determination of uranium content
硝酸釷化學分析方法鈾量的測定Examination of radioactive materials for foods - determination of natural thorium and uranium
天然釷和鈾的測定Most of earth ' s internal heat is generated by four long - lived radioisotopes ? potassium 40, thorium 232, uranium 235 and uranium 238 ? that release energy over billions of years as they decay into stable isotopes
地球內部的熱能主要來自半衰期較長的四種放射性同位素鉀40 、釷232 、鈾235與鈾238 ，它們在幾十億年來逐漸衰變成穩定的同位素，同時釋放能量。Where the rate of content weight of uranium and thorium in nuclear source material is higher than five - ten thousandths, and the total weight of uranium and thorium does not exceed one kilogram
三核子原料中含鈾、釷成份重量比在萬分之五以上，而鈾、釷之總重量不超過一公斤者。Potassium - 40, uranium, thorium, radium, carbon - 14, tritium and polonium are some examples
例如鉀- 40鈾釷鐳碳- 14氚釙等。Standard test method for analysis of uranium and thorium in soils by energy dispersive x - ray fluorescence spectroscopy
用能量色散x射線熒光光譜法分析土壤中鈾和釷的標準試驗方法Even without these man made sources of radiation, exposed to natural background radiation. the rocks and soil of the earth s crust contain variable amounts of natural radioactive elements such as uranium and thorium. this varies with geography - for example the hottest places in britain are cornwall and around aberdeen
就算排除人為輻射，人類會在天然環境中接觸到本底輻射，如地球外殼的巖石和泥土含有份量不同的輻射元素如鈾和釷，而份量視乎地理位置，如英國的康瓦爾和阿伯丁郡最為熱點。Abstract : it is thought that some parameters, such as elastic coefficient, u th ratio, gr hcgr, etc., might have relations to organic carbon content in formation according to the properties of hydrocarbon source rock
文摘:張立鵬，邊瑞雪，楊雙彥等用測井資料識別烴源巖測井技術， 2001 ， 25 （ 2 ） ： 146 152根據烴源巖的地質特點，提出了地層的彈性參數、鈾釷比等幾個參數也可以反映地層的有機碳含量問題。分享友人