裂變物質 的英文怎麼說
中文拼音 [lièbiànwùzhí]
裂變物質
英文
core material-
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。The amount of material produced during fission is insignificant.
裂變時產生的物質數量是不夠的。In a hole in the center of this system is placed a subcritical sphere of fissionable material.
在這個系統的中心圓洞中放置一枚次臨界的球形可裂變物質。Usama bin ladin and other al - qa ida leaders have stated that al - qa ida has a religious duty to acquire nuclear weapons. documents recovered in afghanistan during operation enduring freedom show that al - qa ida was engaged in rudimentary nuclear research, although the extent of its indigenous program is unclear
報告說: 「從技術角度來看,或許已有更多的國家有能力生產足夠的可裂變物質及發展將其製成武器的能力,這說明了核燃料循環和武器相關技術的擴散已達到的程度。 」Standard specification for isotropic and near - isotropic nuclear graphites
同位素和接近同位素核裂變物質標準規范A failure which results in the loss of capability of a component to perform its intended safety function, and any consequential failures which result from it
一種物質或媒介,用以減慢核裂變所釋放的快中子,將之變為熱中子,以產生更多熱核裂變。A failure which results in the loss of capability of a component to perform its intended safety function ( s ), and any consequential failures which result from it
一種物質或媒介,用以減慢核裂變所釋放的快中子,將之變為熱中子,以產生更多熱核裂變。Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming
模擬的主要內容是在各種過程耦合作用下,以下描述構造成礦體系的主要變量的時空演化:與成礦流體的形成和性質有關的變量,如地層中礦物(包括成礦物質)的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等;與構造變形和流體運移有關的各變量,如應力與變形速率、巖石孔隙度、構造(斷裂)滲透率等;與沉澱成礦有關的變量,如礦物(金屬礦物和脈石礦物)的成核速率、各礦物的沉澱量等;上述各有關變量間的時空耦合關系,如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。The process in which substances are converted to their constituent atoms is called "cracking. "
物質轉變為其組成原子的過程叫做「裂解。」The process in which substances are converted to their constituent atoms is called "cracking".
物質轉變為其組成的原子的過程叫做「裂解」。Other nonlinear phenomena we studied include spiral wave dynamics in chemical reaction ( chi - keung chan ) ; pattern formation in fracture phenomena ; collective behavior of driven and self - propelled particles ( kwan - tai leung ) ; and jamming of granular flow in hoppers ( kiwing to )
另外,我們也研究物質斷裂中之裂紋路徑與網路圖型形成機制,及因自我或被驅動之粒子的集體運動行為所產生的相變現象(梁鈞泰) 。Although almost all this material, which has a 24, 000 - year half - life, has since disappeared ( primarily through natural radioactive decay ), some of the plutonium itself underwent fission, as attested by the presence of its characteristic fission products
這些物質半衰期為2萬4000年,幾乎已經全部消失(主要是經由自然的放射衰變過程) ,而且部份的鈽本身又經過核分裂,這可由其核分裂產物為證。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。As for the change of reaction temperature, a good appearance of microspheres will be observed. after heat treatment we obtain the mesoporous sio2 microspheres, the morphology, size and size distribution of microspheres before and after sintering were investigated by using the scanning electron microscopy ( sem ). the desorption of water and ethanol and decompostion of polymers in microspheres were analyzed by using tg - dsc machine
當r 1時將導致微球產生破裂,而r 4時則生成凝膠狀物質;其他條件不變時,微球形貌隨ph值的增大逐漸變差,最終破裂;乙醇含量增大時,微球粒徑逐漸增大;而隨著反應時間的進行,顆粒逐漸長大,微球形貌不斷完善,表面逐漸平滑;反應溫度的變化會得到更光滑的微球表面,微球粒徑隨之增大。Much information was achieved by analysis of different kind of tar samples, including the production and evolution of tar in gasification process, the variation of tar composition under catalytic or thermal cracking conditions. and the mechanism of tar cracking was discussed in - depth with the variation of tar composition under different cracking conditions
對多種焦油進行分析,獲得了大量焦油構成信息,並以此對生物質氣化過程中焦油的產生和變化情況、催化裂化或熱裂化過程中焦油組分的變化情況、以及裂化過程參數對焦油組分和焦油量的影響進行了深入的機理性分析。Use of borosilicate glass raschig rings as a neutron absorber in solutions of fissile material
裂變物質溶液硼硅玻璃拉希格圈中子吸收劑的使用Nuclear criticality safety for fissile materials outside reactor - nuclear criticality safety criteria for steel - pipe intersections containing aqueous solutions of fissile material
反應堆外易裂變材料的核臨界安全含易裂變物質水溶液的鋼質管道交接的核臨界安全準則And the chemical - explosive detonator can also be tested using “ simulants ” that are not fissile but mimic the behaviour of the plutonium pit in other ways
此外,化學爆炸物也同樣能通過「模擬物」來試驗,該模擬物不是裂變物質但它能通過其它方式模擬出鈈核的運動方式。Except the asphaltenes, the other 4 part was given to the gc / ms. h ) comparison of gas contents and flow rate before and after the catalytic cracking reaction ; i ) the energy cost of the catalytic cracking ; after the exper
在此基礎上,結合熱裂解和催化裂解的反應理論解釋了生物質焦油的催化裂解原理,同時分析了催化裂解和熱裂解前後氣體成份和含量的變化。B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one
研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。分享友人