the probability of an event’s occurring is equal to the probability that it will not occur. ...
PE is most commonly used for food packaging and bags which was identified from the pyrolyzate product, heptacosane (Fig. S4) in the influent (stage – 1). The saturated type of n – alkanes result after the beta scission of the polymer backbone with further continued degradation (Moldoveanu...
Collagen mask for facial treatment for ionophoresis or iontophoresis. It comprises sheets of cellulose of form and dimensions adapted to the face to be treated and whose microporosa struture is impregnated with particles of collagen that are fixed mechanicamete by a proof of liofilization. This ...