裂變反應 的英文怎麼說
中文拼音 [lièbiànfǎnyīng]
裂變反應
英文
fission reaction-
At the first start up of a new reactor, primary source rods consisted of californium - 252 are inserted into the reactor to produce sufficient neutrons to initiate the first fission
反應堆在首次啟動時,會放入含有- 252 cf - 252的一次中子源棒,以提供足夠數量的中子進行初次核裂變。The reaction is slowed by a combination of depletion of the fissionable material and expansion of the core.
由於裂變物質的耗盡以及由於核心的膨脹,才使反應減慢下來。Operations with fissionable materials outside reactors, nuclear criticality safety in
外部反應堆可裂變材料的核臨界安全性操作Using the young seedlings of wild type ( wt ) and four mutants ( phya, phyb, phyaphyb and hy4 ) of arabidopsis thaliana as plant materials, the effects of light quality and kinetin ( kt ) on some photomorphogenesis responses such as cotyledon enlargement, hypocotyl growth inhibition, accumulation of chlorophyll and anthocyanin were investigated in the present study. photoreceptor functions and interaction of light and kt in the responses was examined and discussed
本文以擬南芥( arabidopsisthaliana )野生型( wt )和四種光突變體phya 、 phyb 、 phyaphyb和砂hy4為材料研究不同光質與細胞分裂素( kt )對幼苗子葉擴大、下胚軸伸長、葉綠素和花色素苷積累的影響,分析光受體參與的反應以及探討光與kt在調節各種反應中的相互關系。Nuclear fission nuclear fission and chain reaction
核裂變及鏈式裂變反應For information on nuclear fission and chain reaction in a nuclear reactor
若你想了解核反應堆內的核裂變及連鎖反應,請Nothing less than a fission bomb can ignite a thermonuclear reaction.
威力比一個裂變炸彈小的任何東西都不能點燃熱核反應。Nuclear criticality safety for fissile materials outside reactor. performance and testing requirements for nuclear criticality detection and alarm systems
反應堆外易裂變材料的核臨界安全核臨界事故探測與報警系統的性能及檢驗要求The bisonc burnup library is replaced to facilitate the computation of the burnup process with complicated burnup chains. we have made and evaluated the new library ( hendl ) which contains 139 kinds of nuclides with 175 groups for neutron and 42 groups for gamma, 15 kinds of neutron reactions and p0 - p5 expansion. the revised code which we call bus - id is more adaptable to the computation of hybrid reactor for its fuel breeding and the transmutation of the hlw
並且在一維輸運及燃耗計算程序bisonc的基礎上,提出用新的數據庫( hendl )代替原有的bisonc數據庫, hendl庫考慮了更加全面的燃耗過程和多種燃料循環方式,通過修正讀入的核截面數據庫中的參數,考慮共振自屏效應,製作並且評估了新的含有139種核素、多種反應截面、 175群中子42群光子、 p _ 0 - p _ 5展開的中子反應數據庫,開發出新的程序bus - 1d ,使得更能適應聚變?裂變混合堆的燃料增殖、高放長壽命核廢料( hlw )的嬗變等計算的要求。Nuclear criticality safety for fissile materials outside reactors - nuclear criticality control criteria and subcritical limits for plutonium - natural uranium mixtures
反應堆外易裂變材料的核臨界安全鈈-天然鈾混合物的核臨界控制準則和次臨界限值The nuclear fissile reaction system, which provides nuclear energy or neutrons, theoretically demands its criticality safety and neutron energy spectrum to be predicated. generally, those are realized by calculating the k - eigenvalue problem
對于提供核能源或中子源的核裂變反應系統,需從理論上給出它的臨界安全性和中子能譜,通常通過k本徵值問題的計算來實現。A two - dimensional model is proposed for simulation of gas phase cracking of 1, 2 - dichloroethane ( edc ) to produce vinyl chloride monomer ( vcm ) in tubular reactor furnace, in which side reaction of coke precursor formation is taken into consideration
摘要建立了二氯乙烷在管式反應器中進行氣相熱裂解的二維模型,模型考慮了二氯乙烷熱解生成氯乙烯的主反應和生成焦前體的副反應以及氣體密度變化對裂解反應的影響。After 20 days at 450 or 1 day at 500, the u3si2 particles cracked and fragmented, there were a lot of cracks in al - matrix and reacted areas, there were also a lot of holes in the meat. the meat lost its continuity and perfection, and departed from clad. above 450 the volume fraction of the al - matrix and the u3si2 decreased and produced u ( al, si ) 3 in the meat, u3si2 particles invaded to clad
在450熱循環20天後、 500熱循環1天後,燃料板的厚度變化一般0 . 04mm ,燃料板的翹曲現象嚴重; u _ 3si _ 2顆粒開裂及破碎,基體中產生大量的裂縫,反應層也存在大量的裂紋及孔洞,芯體已失去連續性、完整性,並且與包殼脫開。We will need a new generation s expertise in carbon capture and storage, nuclear fission and possibly fusion micro - generation, biomass, advanced battery technology, hydrogen use and fuel cells
我們將需要新一代的懂得碳捕集和存儲的專家,需要懂得核裂變以及小型核聚變反應堆的專家,需要懂得生物質、先進電池技術、氫能利用和燃料電池的專家。The fds ( fusion - driven sub - critical system ) can realize the transmutation of hlw ( high level waste ), fuel production, energy breeding and tritium production by utilizing the external neutron source to make the reactor operated under the sub - critical state
聚變中子源驅動的次臨界核能系統( fds )是根據聚變和裂變反應的各自特點,利用外源中子進入包層的次臨界系統,實現增殖燃料、增益能量、產氚和嬗變核廢料等功能。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。In addition to splitting the nucleus into two halves, the process releases two or more neutrons and a large amount of energy in the form of heat. the released neutrons in turn hit more uranium nuclei and release more neutrons to produce a chain reaction
核裂變過程除了把原子核分裂成兩份外,亦會釋放大量的熱能及同時放出兩個或以上中子,以撞擊更多鈾原子核,再釋放更多中子,產生鏈式裂變反應。Glossary of terms : nuclear science and technology - fission reactor
核科學技術術語裂變反應堆However, this technology is extremely expensive ; one tunnel can use the combined output of 25 fission reactors
但是這項技術非常昂貴;一個量子通道需要25個裂變反應堆同時提供能量。Pu - 239 would produce fission in the reactor in the same way as u - 235 and contributes in supplying part of the energy for power generation
? - 239亦是易裂變的核素,會像鈾- 235一樣,在反應堆中產生裂變,供應部分能量以供發電。分享友人