In this paper, the author introduces the optimum collection of the adhension, colour and volume material, and the principal specifications of self-cleaning exterior wall paint HW4.

本文介绍了研制的自洁外墙涂料hw4的基料和颜填料的优选及主要性能。

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This process is termed "replacement" because solutions have dissolved the original material and replaced it with an equal volume of the new substance.

这个过程被称为“置换”，因为溶液溶解了原来的物质，并用等量的新物质取而代之。

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Each volume in the set explores a wide range of material, explains the basic concepts of major applications of digital systems, and discusses the influences they have on everyday life.

系列中的每卷探索了广泛的材料，解释数字系统的主要应用的基本概念，并讨论了它们对日常生活的影响。

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We could just collect a bunch of data. For a material .What's the volume it occupies at some pressure and temperature?

对一种物质我们可以得到一系列测量数据,在给定的温度和气压下,它的体积是什么？

麻省理工公开课 - 热力学与动力学课程节选

But because in many cases we can reasonably either model or measure equations of state, collect data for a material for its temperature, pressure, volume relations, then in fact if we can relate all these quantities to those then in fact we really can calculate essentially all of the thermodynamics. For the material.

但是因为在很多情况下,我们能够合理的给出状态方程的模型,或者通过收集一个物质的，温度，压强和体积之间的关系,来测量其状态方程，所以实际上我们可以给出压强等物理量,和热力学势之间的关系,并计算出所有的热力学势，对于给定的物质。

麻省理工公开课 - 热力学与动力学课程节选

New collectors often are surprised by the volume of material in circulation.

FORBES: Life: Collecting

The thinner these layers are, the more important these interfaces become because they make up more of the total volume of the material.

ECONOMIST: New materials for renewable energy

Thanks to the technology revolution, we know more about silicon, particularly when it comes to manufacturing products in high volume, than any other material in the world.

FORBES: How Silicon Will Spur A Boom In Solid-State Lighting