In this text is described the mathematical model of negative suction system for the standardizing packaging method of the liquid materials.
由于考虑到所讨论液态物质的渗透性及污染性大等特点 ,采用负压抽液的原理 ,根据能量守恒理论确定抽液所需的负压 (真空度 ) ;根据克拉珀龙方程、分子流运动论的 Knudsen公式等理论 ,确定达到额定压力 (真空度 )所需的时间 (即装置的起动时间 ) 。
Aiming at the testing method of applying activated carbon to adsorb harmful substances,by the approval of experimental results in this paper,different testing results were obtained when selecting liquid standard substances and solid standard substances in different stat.
针对通常用活性炭吸附有害物质的检测方法,本文通过实验证明,选用不同状态的液态标准物质和固态标准物质用于职业卫生机构实验室质量控制检测时,产生了不同的检测结果。
A method which use an agitate fluid bed to directly de water liquid materials to powders is introduced ,and its drying principle is shown.
介绍了用粉碎流化床将液态物料干燥成粉体的方法 ,对其干燥机理进行了分析。
a liquid substance that is a solution (or emulsion or suspension) used or obtained in an industrial process.
一种液态物质，是工业用的或工业过程中产生的溶液（乳剂或悬浮液）。
There are three states of things--solid, liquid and gas.
物质有三种状态——固态、液态和气态。
Matter generally exists in three states: gas, liquid and solid.
物质通常有三态：气态，液态，固态。
Matter exists in three states: solid, liquid and gas.
物质以三种形态存在: 固态、 液态和气态。
Matter can assume any one of three states, gas, liquid, or solid.
物质可表现为气态，液态或固态。
Most matter has three states: solid, liquid and gas.
大多数物质具有三种状态：固态、液态和气态。
Most matter has three states
大多数物质有三种状态：固态、液态和气态。
Matter exists in three states : solid, liquid and gas.
物质以三种形态存在,即固态、液态和气态。
Matter or a specific body of matter in this state.
液体处于这种状态的物质或某种物质体
a substance that is liquid at room temperature and pressure.
在室内温度和压力下呈液态的物质。
Solid, liquid and gas is the three state of matter.
固体、液体和气体是物质的三种状态。
(of solid matter) reduced to a liquid form.
（关于固体物质）稀释成液态的。
Solid, liquid and gas are the three states in which matter exists .
固体、液体和气体是物质存在的三态。
To cause(a solid substance) to be separated from a solution.
使沉淀使（固态物质）从溶液中分离出来
Liquid water can leach soluble materials from the interface.
液态水能够从界面溶解出可溶性物质。
Most matter has three states, solid , liquid and gas.
大多数物质有三种状态, 固体, 液体, 汽体。
a colloid that has a continuous liquid phase in which a solid is suspended in a liquid.
有连续液态和固体物质悬浮其中的胶质。
a colorless liquid hydrocarbon; highly inflammable; carcinogenic.
一种无色液态碳氢化合物，极易燃烧，致癌物质。