Density (volumetric mass density or specific mass) is the ratio of a substance's mass to its volume. The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D …

Dec 10, 2025 · Density, mass per unit volume of a substance. The formula for density is d=M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of gram per cubic …

密度是一个较为普遍的概念，常见的物理量有 质量密度 、 电荷密度 、 能流密度 等。 绝大多数情况下密度默认指的是质量密度。 质量密度ρ的计算公式是ρ=m·V-1（1），其中m是质量，V是体积。 中文 …

This lesson explains density as the physical property in chemistry that quantifies how mass is concentrated in a given volume. Gain a comfort using the formula D = m/V and explore how density …

DENSITY翻译：密集, （人口等的）密度, 物质, （物质的）密度。 了解更多。

Learn about density as the relationship between mass and volume and how to calculate and compare the densities of different materials. Explore how density explains why some objects float while others …

必应词典为您提供density的释义，美 [ˈdensəti]，英 ['densəti]，n. 密度；浓度；密集；稠密； 网络释义： 比重；黑度；强度；

In this tutorial, you will learn what density is, & how to calculate it - along with the units, formula and equation for density.

密度 是指一物質單位 體積 下的 質量，常用希臘字母 ρ 或是英文字母 D （Density）表示。 在數學上，密度定義為質量除以體積的商 。

Density is a physical property found by dividing the mass of an object by its volume. Regardless of the sample size, density is always constant.