1) population density
粒子数密度;群体密度
2) density of gas particle number
气体粒子数密度
1.
When adiabatic mixture of weak degenerate ideal Fermi gas and Bose gas, the sudden and continuous change of density of gas particle number can cause the sudden and continuous change of temperature in quantum range.
讨论了弱简并理想费米、玻色气体绝热混合时，气体粒子数密度的突变和连续变化引起的温度在量子范围内的突变和连续变化，结果表明：与气体粒子数密度有关的物理量，将随气体粒子数密度的变化而变化。
3) particle number density
粒子数密度
4) particle density
粒子密度
1.
In the present work,We studied the effects through measuring particle density and crush strength of microspheres,based on the production of microspheres.
因此,本文拟在制备空心玻璃微球的基础上,通过改变处理液组成、处理时间等条件,测试微球粒子密度、抗压强度等变化情况,研究改性过程对其性能的影响。
2.
Energy density and particle density in high energy heavy-ion collisions are calculated with infinite series expansion method and Gauss-Laguerre formulas in numerical integration separately, and the results of these two methods are compared, the higher terms and linear terms in series expansion are also compared.
分别用无穷级数展开方法和数值积分计算中的高斯 拉盖尔求积法对高能重离子碰撞中能量密度和粒子密度数值进行计算 ,并对结果及级数展开中的高次项和一次项的大小进行了比较。
5) Density
[英]['densəti] [美]['dɛnsətɪ]
群体密度
1.
Effects of Population Density on Stalk Lodging Resistant Mechanism and Agronomic Characteristics of Maize;
群体密度对玉米茎秆抗倒力学和农艺性状的影响
2.
The experiment with six planting densities was conducted to investigate effects of population density on yield and effective medical composition of Blumea balsamifera.
针对药用植物艾纳香以营养体为收获物、枯叶为主要原料、分生繁殖、多年生以及药用有效成分含量为生产目标的农艺学特点,设置6个密度处理试验,分析了相应指标对人工种植群体密度的反应规律。
3.
A field trial was conducted to investigate the response of yield and yield composition of wheat with different maturing phases to density and top-dressing of nitrogen fertilizers.
通过裂区和正交设计的田间试验 ,研究了不同熟相类型小麦在不同群体密度、不同氮肥追施策略下的籽粒产量及产量构成 ,探讨了不同熟相类型小麦通过群体调节和氮肥追施实现高产的可能性。
6) population density
群体密度
补充资料：准粒子态密度（densityofsinglequasi-particalstates）
准粒子态密度（densityofsinglequasi-particalstates）
在相空间单位体积单位能量间隔中的状态数称态密度。在BCS理论中的准粒子态密度为：
`N_s(E)=N(0)\frac{E}{sqrt{E^2-\Delta^2}},(E>0)`
式中E为粒子的元激发能量，N(0)为正常相的态密度。上式对大多数超导金属与单电子隧道实验结果相符。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条