Molecular formula :
nature : fibers and fillers such as paper is intertwined in the distribution of all time. Detection often paper optical transmittance were once measured. When Ying-ray observation (visual), as if the paper with the appearance of Ground Glass did, as well absorbed; If the appearance of the clouds were spent as bad evenness. Evenness in the clouds decided to spend the size and intensity. Formation of the paper is an important physical property, it affects the appearance of the paper, the physical and optical properties, the paper also affected squeezed dry and pressure-ray technician. Different degrees of paper to absorb the different requirements.
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