7 Pairs of Commonly Confused Words What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Words You Always Have to Look Up Your vs. You're: How to Use Them Correctly Popular in Wordplay See All More Words with Remarkable Origins ...
The chemical composition, hydrochemical type and evolution rule of the groundwater in the Yellow River Delta were analyzed through two years continuous observation of the 19 groundwater monitoring wells in the Yellow River Delta. The results show that the p H change of groundwater in the Yellow ...
Why is '-ed' sometimes pronounced at the end of a word? What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Words You Always Have to Look Up Popular in Wordplay See All More Words with Remarkable Origins ...
P Wigerinck,AV Aerschot,G Janssen,... - 《Journal of Medicinal Chemistry》 被引量: 60发表: 1990年 Oxidation of Primary Amines to Oxaziridines Using Molecular Oxygen (O 2 ) as the Ultimate Oxidant Protection (O5') of 2',3'-anhydroadenosine with tert-butyldiphenylsilyl chloride and epoxi...
-4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4triazolin-5(1H)one derivatives:synthesis and structure- activity relationships.In:Synthesis and chemistry of... G Theodoridis,KM Poss,FW Hotzman,... 被引量: 23发表: 1995年 The pKa values of some 1,2,4-triazole and 1,2,4-triazolin-5-on...
M. Mar Herrador, in Studies in Natural Products Chemistry, 2003 a) Starting from Podocarpic Acid The first synthesis of nagilactone F was carried out by Hayashi et al. [83] starting from (+)-O-methylpodocarpic acid 158 in 23 steps (2% overall yield). The main characteristics of this...
adj.Chemistry 1.Being in the fourth position relative to a designated carbon atom in an organic molecule at which an atom or a group may be substituted. 2.Referring to the fourth of a group of isomers, or molecules of similar origin or properties, determined arbitrarily by those who discover...
Formation of Magnetite-Scheelite Skarn Mineralization at Kara, Northwestern Tasmania: Evidence from Mineral Chemistry and Stable Isotopes The Kara magnetite-scheelite deposit is located 40 km south of Burnie in northwestern Tasmania. The major orebodies at Kara are hosted by the Ordovician Go... K ...
(R/S)-δ-Hexalactone is a volatile lactone found in fruits giving ripe produce their aroma. Solid|colourless to pale yellowish liquid with a creamy, fruity, coconut odour Delta-Hexanolactone is a delta-lactone. View all 3.2 Methods of Manufacturing From 1-position substituted cycloalkane oxid...
Phospholipases A2 (PLA2s) from snake venoms comprise a group of 14-18 kDa proteins, responsible for several toxic effects induced by the whole venom. Consi... C Z. Oliveira,N A. Santos-Filho,D L. Menaldo,... - 《Current Topics in Medicinal Chemistry》 被引量: 44发表: 2011年 The ...