urea-formaldehyde polymer
31petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
32chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
33Ether — This article is about a general class of organic compounds. For the specific compound, see diethyl ether. For the computer network technology, see ethernet. For the antiquated physics concept, see Luminiferous aether. For other uses, see Aether… …
34List of biochemistry topics — This page aims to list articles on Wikipedia that are related to biochemistry. This is so that those interested in the subject can monitor changes to the pages by clicking on .This list is not necessarily complete or up to date if you see an… …
35Properties and Applications of Commercially Important Plastics, Table — ▪ Table Table 1: Properties and Applications of Commercially Important Plastics Polymer family and type density (g/cm3) degree of crystallinity glass transition temperature (° C) crystal melting temperature (° C) deflection … …
36List of chemistry topics — This page aims to list articles related to chemistry. This is so that those interested in the subject can monitor changes to the pages by clicking on Related Changes in the sidebar and on the bottom of the page.This list is not necessarily… …
37Amine — For other uses, see Amine (disambiguation). Primary amine Secondary amine Tertiary amine …
38Полиноксилин — Химическо …
