aliphatic polyester refers to polymers having the structure [C(O)RO] n , wherein n is an integer representing the number of monomer units in the polymer chain and R is an aliphatic hydrocarbon, preferably a C1-C10 alkylene, more preferably a C1-C6 alkylene (e.g., methylene, ethylene, propylene, isopropylene, butylene, isobutylene, and the like), wherein the alkylene group can be a straight chain or branched
The last 5 numbers in that sequence will be your Julian date calendar code
2015-11-03 SCIENTIFIC LAB NB laboratory, dedicated to cigarette smoke analysis, is equipped with new and modern GCMS and rotary smoking machine
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