源中子 的英文怎麼說
中文拼音 [yuánzhōngzi]
源中子
英文
source neutron-
Americium - beryllium neutron sources
鎇鈹中子源Americium beryllium neutron source
鈹中子源Now researchers report that antineutrinos, ghostly particles with tiny masses, might generate these rare ingredients
近來有研究人員提出,這些罕見成份的來源,可能是質量微小的幽靈粒子反微中子。Generally, the share of the autogeny target neutron in d - t neutron source is less than one percent
一般,自生靶中子在d - t中子源中所佔的份額小於1 。The autogeny target neutron and pipeline neutron are monitored with associated particle method and long counter through changing different target foil. the effect of the autogeny target neutron is over ten times than that of the pipeline neutron
對加速器d - t中子源自生靶中子和管道中子,通過改變不同靶片,用伴隨粒子法和長計數器進行測量,評估了自生靶中子和管道中子的影響。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。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。According to the requirements of the cng on neutron flux, critical wavelength and distance between inpile guides and the cns, the relation between the source size and the critical angle of the coating material of the inpile guides as well as neutron flux at exit of the cngs have been studied
根據導管設計指標的需要,研究了冷源尺寸與堆內導管內壁鍍膜材料的全反射臨界角和導管系統出口處中子注量率的關系。In analyzing the neutron active detection, the neutron multiplication in the nuclear warheads induced by outer neutron source with different neutron energys is studied with numeral simulation, and the feasibility of through counting neutrons to determine the presence of high enrichment uranium ( heu ) in nuclear warhead has been proved. the method of detecting the warhead which contains heu pit by counting the released neut rons whose energy is higher than that of source neutron is studied. the feasibility of this method has been studied
對幾種主動探測核彈頭方法進行的研究中,首先對不同能量各向同性外源中子照射核彈頭的中子增殖行為進行了數值模擬,檢驗了用外源中子照射核彈頭后,通過測量瞬發中子在核彈頭中的增殖量,來證明核彈頭中高濃鈾存在的可行性;研究了用能量低於1mev的外中子源照射核彈頭,用測量核彈頭中裂變產生的高於源中子能量中子數的方法探測核彈頭,通過數值模擬分析了可行性。Our results show that with the up to date experimental data, 13c can not sufficiently burn, the neutron number density decrease, the timescale of neutron source become long and these come into conflict with model of thermal pulse agb star
研究結果表明,在新實驗結果下, 』 3c不能充分燃燒,中子數密度降低,中子源持續的時標變長,這與熱脈沖agb星的現有模型出現矛盾。Specifiation of nuclear fuel rods for miniature neutron source reactor
微型中子源反應堆核燃料棒技術條件The simulation can be divided into three processes sequentially : calculating the induced fission neutron rate of uranium and space distribution by mam - li neutron source, computing the total uranium fission neutron count rate and time distributions of 42 3he tubes, and calculating the neutron coincidence counting rate
第一步,以ain ? li源為中子源,計算鈾的誘發裂變中子產生二率及空間分佈;第二步,以鈾的誘發裂變中子為中子源,計算化根』 ne管的總中子計數率及時間分佈;第三步,計算中子符合計數率。In order to meet the requirements of nda measurement, the laboratory of technical research for nuclear safeguards of china institute of atomic energy ( ciae ), is being in charge of developing four sets of nda standards : one set of segmented gamma - ray scanner ( sgs ) uranium standard, one set of sgs plutonhim standard, one set of plutonium isotopic standard, and one set of active well coincidence counter ( awcc ) standard. in this dissertation some pivotal techniques on quality control in developing of nda nuclear standards above were emphatically studied
中國原子能科學研究院核保障技術重點實驗室研製分段y掃描裝置( sgs : segmentedgamma - rayscanner )鈾工作標準樣品、 sgs鈈工作標準樣品、鈈同位素標準樣品和有源中子井型符合計數裝置( awcc : activewellcoincidencecounter )鈾工作標準樣品來滿足核材料nda測量的要求。本論文重點對上述nda核標準樣品研製過程中質量控制的一些關鍵技術進行了研究。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。Standard test method for nondestructive assay of plutonium in scrap and waste by passive neutron coincidence counting
無源中子復合計數法測定廢棄物中鈈的無損檢驗的標準試驗方法Activation detection of the neutron yield from a dpf pulsed neutron source
脈沖中子源中子產額的活化測量研究Standard test method for nondestructive assay of plutonium by passive neutron multiplicity counting
用無源中子重復計數法對鈈進行無損分析的標準試驗方法Nuclear energy. fuel cycle technology. waste. determination of radioactive characteristics of solid waste packages by passive neutron counting
核能.燃料循環技術.廢料.用無源中子計數法測定固體廢料包裝的放射特性Nuclear energy - nuclear fuel technology - waste - recommendations for the calibration of an activity measurement facility of radioactive waste forms by passive neutron counting
核能.核燃料技術.廢料.用無源中子計數法對放射性廢料形態活性測量裝置校準的推薦規范The method of numeral simulating the coincidence neutron detection is proposed with combining the neutron transportation and probabilistic calculation. the method is introduced and used to simulate the nuclear warhead induced fission by source neutrons with energy below 1 mev
推導並提出用中子輸運計算與概率方法結合計算符合中子計數,對能量低於1mev的外源中子照射核彈頭誘發裂變的符合中子測量作了數值模擬。分享友人