| 词汇 | magnesium |
| 释义 | magnesium noun[ U ] uk /mæɡˈniː.zi.əm/ us /mæɡˈniː.zi.əm/(symbolMg) a chemical element that is a silver-white metal. Magnesium burns very brightly and is used in making fireworks.（化学元素）镁 Geology: mineralogy beneficiation crude crystal crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity You can also find related words, phrases, and synonyms in the topics: Chemical elements magnesium | American Dictionarymagnesium noun[ U ] us/mæɡˈni·zi·əm/ a silver-white metal that burns very brightly and is used in making fireworks (= explosions producing colored patterns for entertainment) Examples of magnesiummagnesium Magnesium increased in the castor bean globoids but remained relatively constant in rice globoids. The extract was then dried with magnesium sulphate, filtered and evaporated on a rotary evaporator to 200 ml. This demonstrates that magnesium-free medium and picrotoxin are abolishing directional selectivity by different mechanisms. The most frequent amino acid whose sidechain is contacting the magnesium ion is aspartate (42 %), followed by threonine (23 %), glutamate (17 %) and serine (10 %). Organic matter, carbon and nitrogen had the lowest coefficient of variation in leaf fall, while those for magnesium, phosphorus and potassium were intermediate. Iron-rich olivines have both reasonably fast reaction rates and contain ferrous iron in a solid-solution between the two olivine end-members fayalite (iron) and forsterite (magnesium). They speculated that magnesium inhibited the calcium calmodulin complexes thereby interfering with oocyte protein kinase activity. Spatial distribution of extractable phosphorus, potassium, and magnesium as influenced by fertilizer and tall fescue endophyte status. This makes it unlikely that the starburst amacrine cells are the source of the putative inhibition of the preferred-direction response in magnesium-free medium. However, in magnesium-free medium the response to preferred-direction motion is decreased. He received morphine, sodium bicarbonate, and calcium and magnesium supplements and was transfused with 20% human albumin solution, red blood cells and platelets. Thus brines expelled at a later time might have been both magnesium-rich and saline. It is suggested that these results might be attributed to a high concentration of magnesium ions. Nevertheless, the outer parts of the orbicules appear to be poorer in magnesium than the cores. Diuretics increase renal magnesium loss; chronic hypomagnesaemia can increase oxidative stress and pro-inflammatory processes in the vascular tree,34,35 and predisposes to arrhythmias. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
| 随便看 |
|
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。