- definite composition
- 一定组成
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
definite composition
Look at other dictionaries:
law of definite composition — pastoviųjų santykių dėsnis statusas T sritis fizika atitikmenys: angl. law of constant proportions; law of definite composition vok. Gesetz der konstanten Gewichtsverhältnisse, n; Gesetz der konstanten Proportionen, n; Gesetz der konstanten… … Fizikos terminų žodynas
law of definite composition — 1. Chem. the statement that in a pure compound the elements are always combined in fixed proportions by weight. 2. Logic. the law that either a proposition or its denial must be true. * * * … Universalium
law of definite composition — 1. Chem. the statement that in a pure compound the elements are always combined in fixed proportions by weight. 2. Logic. the law that either a proposition or its denial must be true … Useful english dictionary
definite proportions, law of — ▪ chemistry statement that every chemical compound contains fixed and constant proportions (by weight) of its constituent elements. Although many experimenters had long assumed the truth of the principle in general, the French chemist… … Universalium
Law of definite proportions — In chemistry, the law of definite proportions, sometimes called Proust s Law, states that a chemical compound always contains exactly the same proportion of elements by mass. An equivalent statement is the law of constant composition, which… … Wikipedia
Der Ring des Nibelungen: Composition of the music — The composition of the operatic tetralogy The Ring of the Nibelung occupied Richard Wagner for more than a quarter of a century. Conceived around 1848, the work was not finished until 1874, fewer than two years before the entire cycle was given… … Wikipedia
Chemical substance — Chemical redirects here. For other uses, see Chemical (disambiguation). Steam and liquid water are two different forms of the same chemical substance, water. In chemistry, a chemical substance is a form of matter that has constant chemical… … Wikipedia
Chemistry — For other uses, see Chemistry (disambiguation). Chemistry is the science of atomic matter (that made of chemical elements), its properties, structure, comp … Wikipedia
cluster — clusteringly, adv. clustery, adj. /klus teuhr/, n. 1. a number of things of the same kind, growing or held together; a bunch: a cluster of grapes. 2. a group of things or persons close together: There was a cluster of tourists at the gate. 3. U.S … Universalium
Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… … Wikipedia
Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… … Wikipedia
