核輻射源 的英文怎麼說
中文拼音 [héfúshèyuán]
核輻射源
英文
nuclear radiation source-
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。Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications
與傳統的機械陀螺和光學陀螺相比,半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱,啟動時間短;信號頻帶寬,漂移噪聲低;能承受大的機動過載;抗核輻射,並可經受短時間電源中斷的影響;體積小,重量輕,功耗低,壽命長,非常適合空間應用。Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。Here a number of factors must be taken into consideration, such as the environmental standard of the area where the engine room is located, the fender structure of the engine room as well as the engine type, power level and the cooling air volume, etc. the core of the overall control is the concept of " equal sound insulation ", which means to apply a closed fender structure to isolate the engine unit from outside parts so as to cut the outward sound radiation
經過多年來與環保部門的合作,對油機房進行消噪聲處理,積累了一些治理經驗,主要是必須根據具體的機房項目來確定相應的控制方案,這其中應考慮機房所在區域的環境標準,機房圍護結構形式及油機機型、功率、冷卻風量等因素。綜合控制的核心是等隔聲概念,即用一封閉的圍護結構將機組與外界隔離開來,減少聲源對外的聲輻射。Nuclear power generation is one of the sources of artificial radiation
核能發電亦是人工輻射來源之一。To understand the connections between methanol masers and other phenomena typical of star formation region, such as the associated far - infrared sources, we have investigated statistical properties of all known 6, 7 ghz methanol maser sources. the result suggests that 6, 7 ghz methanol maser emission may appear only during a limited period of massive star formation
6 . 7ghz甲醇脈澤源的統計結果暗示著它們可能僅僅發生在大質量恆星形成的一個很短的時段內,可能起源於拱核盤中或外流中,遠紅外輻射則是一種可能的抽運機制。In the cores of many so - called " active galaxies ", we can observe extremely powerful radio sources with double - lobed structure and jets of high - energy particles
很多所謂活躍星系的核心都會發出能量極大的無線電輻射,或擁有高能粒子噴流雙瓣無線電輻射源等結構。The department ' s programs are at the forefront of nuclear science and technology leading to improved performance of fission - powered reactors, the technological applications of nuclear and radiation phenomena in biomedical, industrial, and environmental fields, and the development of nuclear fusion as an energy source
本系的課程走在核子科學和科技的最尖端,目的在提高核裂變反應爐的效能、核子和輻射在生物醫學、工業和環境領域的應用,以及研發核融合成為穩定的能源。Dlc and a - sic : h films were prepared by the rf glow discharge and the reactive sputtering method respectively. there were two reasons that we chose y rays, ultraviolet ( uv ) photons, and neutrons as radiation sources. one is that y rays, uv photons and neutrons irradiation are serious at outer space and / or nucleus irradiation enviromentthe other is that the study on y rays irradiation on the films is a new and an important directioaotherwisejirnited reports have been made of the investigation on the uv photonsjieutrons irradiation influences on these films
本文分別採用射頻( 13 . 56mhz )等離子體cvd及射頻反應濺射方法制得了dlc及a - sic : h薄膜。文中主要選擇y射線、紫外光及中子作為輻照源有兩方面的原因:一方面,在外層空間, y射線及紫外光輻射十分嚴重,而在核輻射環境下y射線及中子輻射也不可忽視;另一方面, y射線輻照這兩種薄膜完全是一項開創性的工作,同時國內外對紫外光子、中子與這兩種薄膜作用的研究也很少。Beijing cbd will be improved to become the core of this area, and promote surrounding areas " increase
以推動北京cbd成為區域經濟增長的核心動力源,通過輻射力帶動周邊地區經濟的發展。In order to reduce radiation on the operator, a remote - control nuclear surface moisture - density gauge is developed by improving the original nuclear surface moisture - density gauge
摘要為減少放射源對儀器操作人員輻射的影響,對表層型核子水分密度儀進行了改進,研製出遙讀遙測式表層型核子水分密度儀。This paper introduced a following technicque. the problem of continuously measuring the material level in a wide range using a point radiation source can be solved perfectly with this technique
摘要介紹了一種隨動跟蹤技術,採用該技術的核子料位計較好地解決了利用點輻射源進行大量程連續物位測量的問題。The dissertation is aimed at the theory and practical application of photoconductive semiconductor switches ( pcss ), which is the kernel of uwb photoconductive pulse source. in chapter 1, after introducing the background of the dissertation, the development of uwb photoconductive pulse source is briefly reviewed. at the same time, the main work and contribution is generalized
本文以研究超寬帶光導脈沖源的核心光導開關的工作原理和實際應用為目的,模擬了光導開關在線性模式下的輸出電脈沖,研究了以光導開關為核心器件的電脈沖成形電路,以及電脈沖的傳輸和輻射。Nuclear instrumentation ; electrical measuring systems and instruments utilizing ionizing radiation sources ; general aspects
核儀表.使用電離輻射源的電氣測量系統和儀表.一般特性Nuclear instrumentation - electrical measuring systems and instruments utilizing ionizing radiation sources - part 1 : technological safety requirements
核測量儀.電氣測量系統和用電離輻射源工作的測量儀In order to meet the requirements of radioactive waste management and nuclear facilities decommissioning, implementations of some stipulations of the 《 basic standards for protection against ionizing radiation and for the safety of radiation sources 》, such as exclusion, exemptions, clearance, discharge, disposal of spent sealed source, decontamination, minimization of radioactive waste and protection optimization, etc, and it is indicated that some of these issues need to be further investigated
摘要從滿足放射性廢物管理和核設施退役工作的需要出發,討論了《電離輻射防護與輻射源安全基本標準》中有關排除、豁免、解控以及排放、廢源處置、去污、廢物最少化、防護最優化等幾項規定的實施問題,並對其中一些問題提出了繼續深入研究的意見。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。The y rays detecting system for physical diagnosis in nuclear exploding must be calibrated in the pulse radiation field according to field spots. so the 12mv pulse x rays accelerator and the fast neutron reactor are selected as radiation sources for calibrating
核爆物理診斷探測系統需要在脈沖輻射場中按場點光子注量進行標定,為模擬核爆產生的輻射場,選定12mv脈沖x射線加速器和快中子脈沖堆為標定用脈沖輻射源。Clossary of terms : nuclear science and technology. radiation protection and safety of radiation sources
核科學技術術語輻射防護與輻射源安全Radioactive sources are studied in the thesis. such physical and chemical phenomena as radionuclides " generation, release and transference are discussed. in order to adapt them to real time simulation, radionuclides are dealt with briefly
本文分析輻射源項,討論了涉及放射性核素產生、釋放、傳遞等物理化學過程,並對放射性核素進行了簡化處理,以使其適應實時模擬的需要。分享友人