called monomers. the polymer is a chain of atoms, providing a backbone, to which atoms or groups of atoms are joined. this unit provides an overview of the main types of polymers characterised by how they are made, how their structures govern their general properties and how these properties can be refined...
paraffin wax, semi-refined paraffin wax and crude paraffin. when adding polyolefin additives, paraffin wax 's melting point, adhesion and flexibility all increase, then it can be widely used in producing moisture-proof and water proof wrapping paper, cardboard, certain textiles' surface coating and...
, greasy wool) stowage factor (in m /t) - m /t (bales, compressed) - m /t (bales, uncompressed) humidity / moisture relative humidity: % water content: - % maximum equilibrium moisture content: % oil content - % (wool grease) ventilation if the product is loaded for shipment in a dry state, it does not...
healthy purpose pillars programs responsible antibiotic use reporting animals rediscovered news press releases position statements media contacts resources investors blog search human animal bond the importance of vaccinating our pets posted by tina hunt | 28/11/2019 as the anti-vaxxer movement among...
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cats that have been sterilized, they continue to use resources, and defend their territory but are unable to reproduce, decreasing the free-roaming cat population over time. sterilization also reduces problematic behaviors like fighting and spraying. euthanizing healthy, feral cats is unnecessary and not...
in some parts of israel underground or above ground bridges help the animals move like this wildlife bridge in turkey, but it's not enough. a new research project might bring them from the brink of extinction. the endangered mountain gazelle gazella gazella was once widespread throughout the fertile...
creditvia reuters elephants died suddenly. the cause is a mystery. some conservationists say the recent die-off in botswana could be natural, but others expressed more concern. by rachel nuwer advertisement continue reading the main story trilobites more in trilobites " photo creditcarlos jared it's not...
alone, beyond the km average european daily commuting distance. the pure ev system is also capable of powering rav plug-in hybrid to speeds of up to km/h without any intervention from the internal combustion engine, even under full acceleration. * battery charge and driving conditions permitting refined...
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