marsh gas- methane gas produced when vegetation decomposes in water alkane,alkane series,methane series,paraffin series,paraffin- a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2) natural gas,gas- a fossil fuel in the gaseous state; used for cooking and heating ...
The Structure of Methane: Bond Angles and the Equivalence of Hydrogens Methane, the parent member of the alkanes, has the molecular formula CH4 and is constructed from one sp3-hybridized carbon atom and four hydrogen atoms (four single bounds). It is the smallest stable organic molecule, and ...
但是如果物质名称用作定语修饰某个中心语,那么多半要在前面加the,如the methane molecule。人名...
isothermal ma tra fer isothermal quenching isothermal speed of s isothermal stability isothermalhardening isothiazine chinese isothiocyanatomethane isothiocyanic acid et isotonic sodium chlor isotope displacementi isotope exiting isotope production un isotope separatorisot isotope-isomericmixtu isotopes of lithi...
(Elements & Compounds) a colourless volatile poisonous liquid compound used as a solvent and fuel. Formula: CH3OH. Also called:methyl alcoholorwood alcohol [C20: from methane + -ol1] Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994...
bromophenols bromotoluene a bromotrifluromethane bromus linn bromus porphyranthos bronagh bronchial epithelial bronchial lavage bronchial provocative bronchial rale bronchial tree bronchiectiectasis bronchogenic cysts bronchophony bronchov bronchoprovocation bronchoscopy with clo bronchus associated l bronchus-asso...
物质名称(无论是系统命名、通俗命名、药物命名)都不加冠词,而且也不可数。例如:methane,ethanol,ethyl acetate,penicillin。 但是如果物质名称用作定语修饰某个中心语,那么多半要在前面加the,如the methane molecule。人名命名的定律、公式不加冠词。例如Newton's first law,Euler's formula,Mendel...
web page containing information about the entry behind the identifier. For example, looking up structures in PubChem is done with a scheme in which the InChI is embedded verbatim. To look up the structure of methane (InChI=1/CH4/h1H4), the URLhttp://www.ncbi.nlm.nih.gov/entrez/query....
et al. The biomass and biodiversity of the continental subsurface. Nat. Geosci. https://doi.org/10.1038/s41561-018-0221-6 (2018). Knittel, K. & Boetius, A. Anaerobic oxidation of methane: progress with an unknown process. Annu. Rev. Microbiol. 63, 311–334 (2009). Article CAS ...
The present invention relates to novel methane-sulfonamide derivatives, more particularly, to compounds of the formula: ##STR2## wherein R1is hydrogen or a halogen atom, R2and R3are the same or different and are each hydrogen or an alkyl having 1 to 3 carbon atoms, and one of X and Y...