kg/batch inclined wire plant configuration: pulper, refiner stock chests rotary distributor inclined wire line with vaccuum system continuous through-air dryer, winder for '' cores reproducible results assured by electronic frequency converter -layer headbox the motivation a detailed understanding of...
natural cellulosic seed fibres cellulose is the substance that makes up most of a plant's cell walls. since it is made by all plants, it is probably the most abundant organic compound on earth.many varieties of plant fibers exist such as hairs (cotton, kapok), fiber-sheafs of dicoltylic plants or vessel-sheafs...
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in october , astronaut walter schirra used a swedish hasselblad medium format camera with a german zeiss lens during his flight. since then, the hasselblad cameras with zeiss lenses have been "space qualified" and have been used time and again in space missions apollo nasa wide-angle lens for photos of...