热通量密度

土壤热通量密度的比例只占净辐射的5%左右。

The soil heat flux content is only 5 % of the net radiation .

计算结果表明，南京现有的人为热源排放量对该地区的城市热岛贡献率约为29.6%，若人为热通量密度在现有量值的基础上增大1倍，则其热岛贡献率可达42.9%；

The contribution of anthropogenic heat to UHI is 29.6 % with Nanjing anthropogenic heat data in 2002.When heat emission doubling , it reaches 42.9 % .

人为热通量密度变化的敏感性试验结果发现：人为热源的存在对城市热岛的生成有重要作用。

Results of sensible tests about changing the value of the anthropogenic heat flux show that anthropogenic heat flux plays an important role in urban heat environment .

用MCNP程序计算核燃料废包壳缓发裂变中子形成的热中子通量密度

Computing with MCNP the thermal flux density due to the delayed fission neutron generated in processing the clads of burned-up fuel roads

同时，测量了对应功率下反应堆内辐照座的热中子通量密度，得到单位功率的热中子通量密度，即额定中子通量密度下的运行功率。

Meanwhile , the thermal neutron flux density at certain point is measured and then the thermal neutron flux density per unite power is given .

利用金箔活化法测量了特殊束流装置中心轴线上不同位置处的热中子通量密度比、金镉比、锰镉比以及出口处γ/n的剂量比。

The neutron flux density ratio , Au-Cd ratio , Mn-Cd ratio at various positions in special neutron beam equipment are measured by gold foil method .

中毒法测量微堆堆芯热中子绝对通量密度

Measurement of absolute thermal neutron flux density in the core of miniature neutron source reactor

的函数，它们分别表示相应于运动方位的应力、能量密度、热通量、熵密度和温度，而该运动方位是χ和β所确定的运动的真实方位。

× T representing the stress , energy density , heat flux , entropy density and temperature corresponding to the actual placements of the motion determined by χ and β .

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。

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 .