classification of natural gases
1Natural environment — This article is about the environment. For other uses, see Environment (disambiguation). See also: Nature Land management policies have been developed to preserve the natural characteristics of Hopetoun Falls, Australia while allowing ample… …
2Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
3Natural science — Part of a series on Science …
4классификация природных газов — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN classification of natural gases …
5plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …
6sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
7chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… …
8Metalloid —   13 14 15 16 17   2  B Boron …
9Hélium — Pour les articles homonymes, voir Helium (homonymie). Hélium Hydrogène ← Hélium → …
10Mercure (chimie) — Pour les articles homonymes, voir Mercure. Mercure Or ← Mercure → …
