熱中子堆 的英文怎麼說
中文拼音 [rèzhōngziduī]
熱中子堆
英文
thermal reactor-
3, change the sub - form into a type of origin benefit type, the department is hollow and can heat or cool off, turning a heap to bear to whet hard quality metal alloy in the, the work surface plates hard chrome, bearing corrosion to bear to whet function like
3轉子形式為類本伯利型,棱部中空可加熱或冷卻,轉于棱峰堆焊耐磨硬質合金,工作表面鍍硬鉻,耐腐蝕耐磨性能好。Passepartout wandered for several hours in the midst of this motley crowd, looking in at the windows of the rich and curious shops, the jewellery establishments glittering with quaint japanese ornaments, the restaurants decked with streamers and banners, the tea - houses, where the odorous beverage was being drunk with saki, a liquor concocted from the fermentation of rice, and the comfortable smoking - houses, where they were puffing, not opium, which is almost unknown in japan, but a very fine, stringy tobacco. he went on till he found himself in the fields, in the midst of vast rice plantations
在這些各色各樣的人群中,路路通整整遊逛了好幾個鐘頭,他參觀了街上那些稀奇古怪而又富麗堂皇的店鋪欣賞了堆滿著金光奪目的日本首飾市場張望了那些門前掛著花花綠綠的小旗子,而他卻沒錢進去的日本飯店也瞧了瞧那些茶館,那兒人們正在端著滿杯喝著一種清香撲鼻熱氣騰騰的用發酵大米作成的酒釀湯,此外他還看了那些香煙館,那兒人們不是在吸鴉片,而是吸著一種氣味芬芳的煙草,因為在日本吸鴉片的人,幾乎可以說沒有。Computing worth of thin slab control rod in thermal research reactor
熱中子研究堆薄板型控制棒價值計算Zirconium alloys are employed extensively in light water cooled reactors ( lwr ) as the cladding materials of fuel elements and other structural materials because of the low capture cross - section for thermal neutrons, good resistance to water - side corrosion at elevated temperature, adequate mechanical properties and high thermal conductivity
由於鋯的熱中子吸收截面小,並具有優異的耐高溫水腐蝕性能、良好的綜合力學性能和理想的熱導率,因此,鋯合金被用作核電站水冷動力堆核燃料元件的包殼材料和堆芯的其它結構材料。A mathematic model of reactor, steam generator, pressurizer is developed based on characteristic of pwr coolant system. for reactor, the point reactor kinetics equation with six - group delayed neutrons is used and influence of coolant ' s and fuel ' s temperature is considered, conduction model of one dimension and single - channel model is used in thermal and hydraulic calculation, third - order hermite polynomial is used to solve the point reactor kinetics equation
對于反應堆,在物理計算中採用了帶有六組緩發中子的點堆方程,同時考慮了多普勒效應及冷卻劑溫度效應對反應性的影響;在熱工水力計算中採用了一維的熱傳導模型與單通道模型;在求解點堆方程中採用了hermite插值的方法,克服了點堆方程的剛性問題。It was in this paper that the main research contents of nuclear heating and gain factor and its crux technology are affirmed for carr
本文針對中國先進研究堆( carr )的冷中子源系統,研究並確定了冷中子源系統核發熱和冷中子增益的主要計算方法。Neutron scattering technology is widely used in many research reactors in the world, whose applications include microstructure analysis, material dynamics, fundamental physics and so on, especially, very popular research of new material and new biological medicine in recent years
中子散射實驗技術在全世界許多研究堆上得到了廣泛的應用,其應用范圍包括物質微觀結構分析、材料動力學、基礎物理等,尤其可應用於近些年來較為熱門的新材料和新生物醫藥研究。The let factors rlet ( rlet = 0. 05 ) of neutron response for liftld in various n + y mixed fields in the fast neutron reactor have been determined experimentally due to the existing let effects of the response for liftld to neutron absorbed dose. the experimental results show that the let factor for neutrons from thermal energy to 5mev energy is about 0. 050. so it is workable to measure the photon fluence in the pulse reactor with 7liftld
為確定liftld能否用於n 、混合場的區分測量,本文定義了let效應因子,並對liftld的let效應因子進行了實驗測定,測量結果表明: liftld對熱中子至5mev中子響應的let效應因子值約為0 . 050 ,因此,選用~ 7liftld用於脈沖堆光子注量測量是可行的。A uniform state ion chamber with double layers has been developed for distinct measurement in various n + y mixed fields in the fast neutron reactor. the cavity material is 6lif + 7lif. the inner wall material is 6lif and the outer wall material is 7lif
根據let效應因子的測量結果和快中子堆y譜、中子譜等基本資料,以及~ 6lif和~ 7lif對中子響應靈敏度有較大差異這一特點,研製了以~ 6lif + ~ 7lif為空腔、 ~ 6lif為外壁、 ~ 7lif為內壁的具有雙層室壁結構的均勻固體電離室,並將其用於快中子脈沖堆n 、混合場區分測量,徹底剔除了熱中子的干擾。The forming - nucleus drive power could form numerous little crystal nucleus under natural melting temperature. the formation of tic particles in the melt could be divided into two phases which was forming - nucleus and growth. the forming mechanism of tic was : melting ti first surrounded c, then ti melting in the alloy and c formed a complicated reaction mesosphere on the carbon surface
根據熱力學及動力學分析,認為在碳顆粒界面處tic的形核率很高,形核驅動力足以在正常的熔煉溫度下形成眾多的小晶核;熔體中tic顆粒的合成可分為形核與長大兩個階段,其形核機制為:首先活性ti原子包圍c ,溶入合金中的ti與c在碳表面形成一復雜反應中間層,隨著反應進行, ti和c顆粒不斷減少,生成的tic不斷彌散分佈於熔體中;其長大過程伴隨著tic顆粒的相互堆砌、聚集和形態規則化。Finally, it was compared and optimized for those basics that influence the heating and gain factor such as the position of cns vertical channel, the dimension of moderator cell and so on. all in all, this study can provide the calculating method, analyzing method, optimized ways and partial optimization for carr cns design and construction
對同時影響核發熱和增益的因素(如:垂直孔道位置及冷包尺寸)進行了分析比較和優化,為carr堆冷中子源系統的設計和建造提供了計算方法、優化思路和部分優化結論。分享友人