1) density difference
密度差
1.
By recording the density data in compact period and mobility period and the jigging ampli- tude of the jig bed,the correlative relation between the mobility and density differences in the compact period and the mobility period was analyzed.
本文研制了γ射线床层密度在线探测器,实现了跳汰机床层内沿垂直方向上三点处的床层密度测量,在此基础上,通过记录跳汰机床层密实期与松散期的密度值和脉动振幅,分析了密实期与松散期的密度差与床层松散度之间的关联关系,提出了用床层底层及上层同一点处的密度差构建床层松散度的二阶回归模型的方法。
2.
The liquid density difference and relative Rayleigh number at different temperatures and different cooling rates were calculated.
min-1时高温合金IN718的凝固组织、液体中Nb和Mo含量变化,并计算了液体密度差和相对Rayleigh数与温度的关系。
2) differential density
容差密度
1.
Secondly,it defines the differential density by the difference between two densities of the Biot medium under open-pore and close-pore conditions,and these densities are derived from the kinetic energy equations.
首先给出Biot介质地震波场的基本方程;然后基于动能方程,分别得到了开放边界条件和闭合边界条件的密度,进而用这两个密度的差值定义了"容差密度",容差密度突出了孔隙介质宏观的平均状态,回避了孔隙形态等细节问题,在此基础上推导出Biot介质密度参数的容差密度表达形式;最后对密度参数的表达式进行了分析讨论,深化了Biot介质密度参数的认识,特别指出耦合密度的负值性是动能的非负性和惯性力的平衡关系所约束的结果。
3) density differences
密度差异
1.
Structural patterns and density differences are salient characteristics of drainages,which should be maintained in generalized versions.
水系作为地图的基本要素之一,在地图综合中必须依据水系的类型和河网密度进行化简,以保持河网密度差异等宏观特征。
2.
A new rule of ordering river entities based on counting the amount of their tributaries is proposed,which indicated the density differences of river entities among different areas.
河系简化是地图综合中经常需要处理的任务,其难点主要在于依据上下文环境对河流进行结构化选取,以保持河网密度差异等宏观特征。
5) density difference
密度差异
1.
Data outlier detection algorithm based on density difference of double radius;
基于双半径密度差异的孤立点检测算法
2.
To ensure water quality and improve the quality of sewage treatment process efficiency, in this paper, rectangular secondary settling tanks are further researched by numerical simulation to aim at the assumption that currently the majority numerical simulation on secondary sedimentation tank are based on ignoring the impact of the water density difference and the cunent si.
为保证出水水质和提高污水处理工艺效率,本文以城市污水处理厂中的平流式二次沉淀池为研究对象,针对目前关于二沉池的数值模拟研究大多基于忽略水流密度差异影响的假定,以及国内外有关考虑密度差异影响的数学模型主要为单相流模型且形式不统一,对于水流和悬浮物之间相互影响的机理还需要进一步探讨的现状,对平流二次沉淀池作进一步的数值模拟研究。
3.
In order to simulate the flow in the rectangular secondary setting tanks with the density difference,the mixture model of two-phase flow and RNG k-ε two-equation turbulence model are selected to carry out the numerical simulation of the rectangular secondary settling tanks.
为了模拟平流二次沉淀池存在密度差异时的流动,选取两相流混合模型和RNGk-ε两方程紊流模型对平流二沉池流动进行了数值模拟,并将模拟结果同埃施(Esch R E)提出的明流弗汝德数理论及二沉池实际运行状态进行了比较。
6) OD difference discriminance
光密度差
补充资料：电荷密度差图
分子式：
CAS号：
性质：分子的电荷密度分布ρ(r)与原子的电荷密度分布ρ原子(r)总和之差，即Δρ(r)= ρ(r)-∑ρ原子(r)。它表明原子化合为分子时电荷重新分布的情况。
CAS号：
性质：分子的电荷密度分布ρ(r)与原子的电荷密度分布ρ原子(r)总和之差，即Δρ(r)= ρ(r)-∑ρ原子(r)。它表明原子化合为分子时电荷重新分布的情况。
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