burn-up

The principles, methods and equipments of burn-up measurement for power reactor spent fuel assembly using passive and active techniques are described.

概要综述了用无源和有源非破坏性分析技术测量动力堆乏燃料组件燃耗的基本原理、方法和实验装置。

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Study on the deep burn-up fuel cycle of the pebble-bed gas-cooled fast reactor

深燃耗球床式气冷快堆研究

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A modified acid-thorex process for reprocessing of high burn-up Th-U fuel has been developed.

研究了一种处理高燃耗钍铀燃料的酸式Thorex流程。

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Based on the "measured" neutron flux density distribution reconstructed by using harmonics synthesis method ( HSM) from the readings of in-core neutron detectors and some necessary restrictions of core parameters, a procedure is proposed to calibrate the core parameters after burn-up.

文中提出：在用芯内中子探测器读数重构出测量的全堆热群中子通量密度分布的基础上，约束堆芯截面参数，并采用节块格林函数法对其进行校准的一套完整方法。

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~ ( 101) Mo is an important radionuclide to determine the burn-up of nuclear fuels, but its half-life reference values had marked differences.

101Mo是测定核燃料裂变燃耗用的重要核素，但其半衰期文献值差异很大。

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Distributing quality will effect directly allumage condition; of charge level, consumption of coal gas and burn-up of solid, and will effect the quality of finished sintering ore product.

布料质量直接影响着料面点火情况、煤气消耗和固体燃耗，影响着成品烧结矿的质量。

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In this paper the theoretical calculation formulas for thermal neutron sensitivity and neutron sensitivity, the burn-up correction equations, and reduction formulas at different neutron temperature of rhodium self-powered in-core neutron detector are given.

本文给出了铑自给能探测器的热中子灵敏度和中子灵敏度的理论计算公式、燃耗修正公式以及不同中子温度下的换算公式。

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The dimensions of U_3Si-Al and UO_2-Al are stable under irradiation, but U-2 ( wt)% Zr changed at maximum burn-up.

U3Si Al和UO2A1元件辐照尺寸稳定性良好，U2（wt）%Zr元件在达到最大燃耗后直径为Φ36.2lmm，长度为105mm。

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Introduction to burn-up measurement method of nuclear fuel Viewing Credit from a New Perspective

核燃料的燃耗测量方法综述

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So once the pebble is depleted a fresh pebble can be put it in or it can be re-circulated back in the reactor if its burn-up isn't all used up or the fuel isn't all used up.

所以，一旦球体被分离了，新的球体能够，放进去或者它能够在计算回反应堆里，如果它燃烧完了，但没有用完，或者燃料，没有全部用完。

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When the reactor is operating, the variation of the burn-up of the fuel will cause vari-ation of the neutron flux, which can make the core power measured by the RPN nuclear power system deviate from the actual power.

反应堆功率运行时，燃耗变化会引起堆外中子通量密度变化，造成RPN核功率测量系统测得的反应堆功率与实际功率出现偏差。

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A dissolution method of sample for determining burn-up of power reactor fuel is described.

文章介绍动力堆燃料燃耗测定中样品的溶解方法。

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The spatial and time-dependent density distribution of various nuclides ( actinides and fission products) for burn-up process.

对燃耗过程计算了各个核素（锕系元素和裂变产物）核密度的时间、空间分布。

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Analysis of reasons causing burn-up of heavy-duty dumper motor

重型卸料车发生烧毁电机的原因分析及应对措施

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The Burn-up Fraction and Energy Gain of Inertial Confinement Fusion

惯性约束核聚变的燃耗与增益

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The large pores, which resulted from the burn-up of sponge struts, were homogeneously distributed in the sample. The existence of these large pores introduced some local interruption of the lamellar structures.

来源于海绵骨架烧蚀形成的大孔均匀分布在陶瓷样品中，这些大孔的存在导致了层状结构的局部中断，但所制备的多孔陶瓷仍保持高的力学性能。

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Improving gradually fuel burn-up is one of the paths which can lower the expense on fuel cycle cost for light water reactor.

逐渐提高燃料燃耗是降低轻水堆燃料循环费用的途径之一。

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Impact of Fuel Assemblies Burn-Up on Core Fission Neutron Source Parameter

组件燃耗对堆芯裂变中子源参数的影响

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Some important parameters ( coolant void reactivity, burn-up and etc.) are calculated using the code WIMS-AECL.

用WIMS-AECL程序计算了参考栅元的冷却剂空泡反应性、燃耗等参数。

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The current development and tendency for fuel assemblies being of low leakage, high burn-up and long cycle fuel reload in the world are presented, and the necessity and feasibility to develop the spacer grid for high burn-up fuel assembly are elaborated.

介绍了目前国外燃料组件高燃耗、长周期、低泄漏的发展方向；阐述了研制高燃耗燃料组件定位格架的必要性和可行性。V.C高；

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A method for the nondestructive determination of fuel burn-up in Xian Pulse Reactor ( XAPR) by gamma-ray spectroscopy is introduced.

介绍了利用γ能谱法无损测定西安脉冲反应堆单棒燃料元件燃耗的方法。

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The results showed that the 300 MWt pebble bed GFR based on the deep burn-up concept could effectively raise the availability of the uranium resources and decrease the pile-up of minor actinide.

平衡态研究结果表明基于深燃耗的300MW球床式气冷快堆可以提高铀资源的利用率同时降低乏燃料中的次锕系核素的含量。

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So the impact of fuel assemblies burn-up on core fission neutron source parameters shall be considered in the neutron transportation calculation.

因此，在中子输运计算中，必须考虑组件燃耗对堆芯的裂变中子源参数的影响。

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Based on the quasi-laminar model of diffusion flame proposed by Burke and Schumann, the equation for expressing burn-up rate of gas within circular tube has been reported.

本文介绍了在Burke&Schumann提出的扩散火焰似层流模型的基础上导出的燃尽度表达式。

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Non-destructive assay methods for the burn-up measurement of power reactor spent fuel assemblies

动力堆乏燃料组件燃耗的非破坏性分析

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The analysis shows that using single-drive instead of double-drive to the dumper is a correct way to prevent burn-up of the motor.

本文通过对双驱动重型卸料车故障产生的原因进行简要分析，认为采用单驱动系统代替双驱动系统可以更好地解决目前卸料车存在的问题。

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This paper mainly investigates the temperature distribution of pulverized coal flame in the wake of the bluff-body, the physical model of ignition and the burn-up behavior of pulverized coal.

本文着重研究了钝体尾迹中煤粉火焰的温度分布、着火的物理模型以及煤粉的燃尽特性。

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Hence, how to improve the corrosion resistance and reduce the amount of hydrogen uptake of the fuel cladding for high burn-up of fuel assemblies need to be further investigated.

随着燃料组件燃耗的进一步提高，如何提高锆合金包壳的耐腐蚀性能和降低腐蚀时的吸氢量是两个值得深入研究的问题。

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Cause analysis of lower burn-up ratio in anthracite firing boilers with W-shaped flame and twin-arch combustion

W火焰双拱燃烧锅炉燃用无烟煤燃尽率低的原因分析

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For reprocessing high burn-up fuel from HTGR, a single cycle process by solvent extraction with acid feed solution is suggested.

针对HTGR钍、铀燃料元件高燃耗、~（232）U含量高的特点提出了酸式进料的单循环溶剂萃取流程，并进行了串级实验。

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