放射核 的英文怎麼說
中文拼音 [fàngshèhé]
放射核
英文
alpha active nucleus-
Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public
根據輻射源項的資料(即事故釋放源的資料,包括放射性物質的釋放總量和各種放射性物質的相對比例等數據)及氣象數據,這套系統模擬是次核事故所泄漏的放射性物質在空氣中的擴散情況,及預測市民可能受到的輻射劑量。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。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。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。Radioactivity is the ejection of particles or radiation from the nucleus.
放射性是原子從核中射出粒子或輻射的現象。The environmental engineer has an interest in nuclear chemistry as the radioactivity emanating from changes in unstable elements can result in hazards to health.
環境工程師對核化學感興趣的是不穩定元素變化時放射出的放射性對人體健康的危害。It is impossible, of course, to focalize the sunlight within the human body, so we have to use a kind of high - energy high - penetrability ray such as gamma ray. meanwhile, focalization of gamma ray, not as simple as that of magnifier, should be based on comprehensive utilization of various modern technologies such as nuclear physics, computer, bioradiology and electromechanism
當然,要想在人體內聚焦,用太陽光線是不可能的,而必須採用具有穿透力的高能射線如伽瑪射線同時,要讓伽瑪射線聚焦也不像放大鏡聚焦那樣簡單,而要綜合利用核物理計算機生物放射機電等一系列現代技術才能實現。Medical indium - 113m radionuclide generator
醫用銦- 113m放射性核素發生器Calibration and usage of ionization chamber systems for assay of radionuclides
放射性核素試樣用電離室系統的校準與使用Objective the aim of this paper is to study the value of preoperative lymphography and radionuclide imaging for rectal cancer patients
目的評價直腸癌病人術前淋巴管造影和放射性核素淋巴顯像的臨床價值。Abstract : objective the aim of this paper is to study the value of preoperative lymphography and radionuclide imaging for rectal cancer patients
文摘:目的評價直腸癌病人術前淋巴管造影和放射性核素淋巴顯像的臨床價值。Conclusion the lymphography yielded high resolving images and positive rate, which has a guide significance to lateral clearance and paraabdominal aorta clearance of the lymph node
放射性核素淋巴顯像,顯示淋巴區域廣泛,操作簡單,無並發癥,但缺點是顯示圖像粗略,反映一組淋巴結圖像,缺乏特異性。The widespread use of x - ray in medical diagnosis and treatment for some diseases in the early 30 s without realizing its harmful effects led to cases of radiation dermatitis and chronic ulceration, eventually resulting in radiation induced cancers. following these, various radiation induced malignances surfaced one after another, drawing attention on the detrimental effects due to radiation
在30年代初期, x射線和放射性核素曾應用於治療某些疾病。由於病人累積過高劑量,曾誘發白血病和肝癌、骨癌等惡性腫瘤。其後種種因輻射而誘發的疾病相繼發現,引起了人們對輻射危害的關注。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 。The math - model of predicting the residual nuclear radiation for neutron bomb nuclear explosion is studied
摘要研究了中子彈核爆炸剩餘核輻射估算的數學模型,給出了地面放射性沾染、通過和停留劑量估算的數學模型。The uses of this adaptable material have been broadened dramatically by new technologies : glass fibre optics ? more than eight million miles ? carrying telephone and television signals across nations, glass ceramics serving as the nose cones of missiles and as crowns for teeth ; tiny glass beads taking radiation doses inside the body to specific organs, even a new type of glass fashioned of nuclear waste in order to dispose of that unwanted material
這種適應性強的原料的使用通過新技術顯著地被擴大了:玻璃光學纖維-長於八百萬英里-承載著電話和電視信號越過國家,玻璃陶瓷製品應用於飛船前端椎體和牙冠;帶放射線的小玻璃珠在身體內有特殊的功效,甚至一種新的玻璃類型是核廢料式,為了除去不必要的原料。Abstract : under the base of investigation and research on natural radioactive nuclein in coal of yili area, combining with the distributing characteristic and law of radioactive nuclein in coal of area and residents ' customer of using coal in yili area, the article raises decrement, resources, harmless and prevention and control measure of whole course managing rule with having a definite object in view and put foward a feasible plan and way for economie developmant of yili area, resonable development and utilization of coal resources, preventing from pollution because of mining and utilizing coal and further protecting people ' s health
文摘:在對伊犁地區煤中天然放射性核素調查研究的基礎上,結合伊犁地區煤中放射性核素分佈的特點、規律以及伊犁地區居民的用煤習慣,有的放矢的提出了減量化、資源化、無害化以及全過程管理原則的防治措施,為伊犁地區的經濟發展,煤炭資源的合理開發和利用,防止因煤炭的開采利用而造成的污染,建設性的提出了切實可行的方案和途徑。The results of these early research work showed that rna polymerase iii transcription was localized in the nucleoplasm. however, with the development and the application of new technologies since 1990s, the controversy arose on the transcription sites of rna polymerase iii. in recent years, more and more scientists presumed that rna polymerase iii transcription might not occur in the nucleoplasm but in the nucleoli
自上個世紀八十年代初期,人們相繼運用細胞化學染色、電鏡放射自顯影等進行研究的結果表明: rna聚合酶的轉錄發生在核質中,但隨著新的研究技術的發展和應用,人們卻發現rna聚合酶的轉錄可能發生在核仁中,從而對早期的研究結果提出了質疑。The determination for alpha - radio nuclide of radium in water
水中鐳的放射性核素的測定Remotely controlled operations during decommissioning of radioactive components from nuclear facilities and particle accelerators
核設施和粒子加速器發出的放射性成份退役過程中的遙分享友人