Oxygen
['ɒksɪdʒ(ə)n] or ['ɑksɪdʒən]
解釋/意思:
(noun.) a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust.
戈代娃手打--From WordNet
解釋/意思:
(n.) A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96.
(n.) Chlorine used in bleaching.
校對:桑福德
解釋/意思:
n. a gas without taste colour or smell forming part of the air water &c. and supporting life and combustion.—n. Oxychlō′ride a chemical compound containing both chlorine and oxygen in combination with some other element.—v.t. Ox′ygenāte to unite or cause to unite with oxygen.—n. Oxygenā′tion act of oxygenating.—v.t. Ox′ygenise (same as Oxygenate).—adj. Oxyg′enous pertaining to or obtained from oxygen.—adj. Oxyhy′drogen pertaining to a mixture of oxygen and hydrogen as in a form of blowpipe in which jets of either ignite as they issue from separate reservoirs.
达米安校對
例句/造句/用法:
- Gay-Lussac found that two volumes of h ydrogen combined with one volume of oxygen to produce two volumes of water vapor. 李貝. 西洋科學史.
- A siren worked by explosion of small quantities of oxygen and hydrogen mixed. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
- If the atmosphere were composed of oxygen alone, the merest flicker of a match would set the whole world ablaze. 伯莎M.克拉克. 科學通論.
- Inasmuch as the nitrogen of liquid air evaporates first, and leaves nearly pure liquid oxygen, it may also be employed as a means for producing and applying oxygen. Edward W. Byrn. 十九世紀發明進展.
- In the words of Dalton, oxygen may combine with a certain portion of nitrous gas [as he called nitric oxide], or with twice that po rtion, but with no intermediate portion. 李貝. 西洋科學史.
- We talk of breathing air, but what all living things really do is to breathe oxygen dissolved in water. 赫伯特·喬治·威爾斯. 世界史綱.
- The best known constituent of the air is oxygen, already familiar to us as the feeder of the fire without and within the body. 伯莎M.克拉克. 科學通論.
- He called the first oxygen. 李貝. 西洋科學史.
- The fact that the oxygen of the air is diluted as it were with so large a proportion of nitrogen, prevents fires from sweeping over the world and destroying everything in their path. 伯莎M.克拉克. 科學通論.
- Plants thus serve to keep the atmosphere free from an excess of carbon dioxide and, in addition, furnish oxygen to the atmosphere. 伯莎M.克拉克. 科學通論.
- According t o Avogadro the water vapor contains twice as many atoms of hydrogen as of oxygen. 李貝. 西洋科學史.
- In experiment 14 an electric light carbon heated to a red heat at its tip, is plunged vertically into a deep glass of liquid oxygen. Edward W. Byrn. 十九世紀發明進展.
- Two atoms of the element hydrogen unite with one atom of the element oxygen to make one molecule of water. 伯莎M.克拉克. 科學通論.
- But nowhere, except in the air around us, do we find oxygen free and uncombined with other substances. 伯莎M.克拉克. 科學通論.
- He drew diagrams combining an a tom of oxygen with an atom of nitrogen and an atom of aqueous vapor. 李貝. 西洋科學史.
多米尼克整理