| 词汇 | manganese |
| 释义 | manganese noun[ U ] uk /ˈmæŋ.ɡə.niːz/ us /ˈmæŋ.ɡə.niːz/(symbolMn) a chemical element that is a grey-white metal, used in the process of making steel（化学元素）锰 Chemical elements actinium alkali metal americium astatine berkelium brimstone bromine calcium fluorine germanium iodine lithium nickel plutonium quicksilver selenium silicon sodium sulphur transition metal You can also find related words, phrases, and synonyms in the topics: Chemistry: metals & metalworking Examples of manganesemanganese Concentrations of calcium and manganese were positively correlated with each other and with elevation. Feeders and water containers were also of stainless steel construction to minimize environmental manganese contamination. In the present study, the metals chosen (copper, zinc, manganese and iron) are all essential for normal molluscan metabolism but are toxic at high concentrations. Excess dietary manganese increased weights and manganese level, but mortality and worm burden were unaffected. Two further photochemical turnovers provide the manganese cluster with a total of four oxidizing equivalents, which are used to oxidize two water molecules to dioxygen. Manganese levels were slightly increased in rats at the acute stage and slightly decreased in rats at the chronic stage of fascioliasis. For instance, several manganese carbides have been prepared and their hydrolysis products studied. Younger seedlings performed better than older seedlings transplanted into either flooded or non-flooded soils with greater uptake of nitrogen and manganese than older seedlings. I am not aware of any study that is a suitable basis for considering carbon monoxide or manganese reductions. A major omission for geologists exploring in 2006 is the general lack of discussion of iron, manganese, nickel, uranium and tungsten deposits. At the same time, one manganese centre changes spin by the corresponding amount. Only manganese and zinc were exceptions (see figure 1). There are even some duricrusts rich in magnesite (magnecrete) and manganese (manganocrete). As in rainfall, iron and manganese were not detectable in throughfall. Manganese and cobalt levels did not change significantly. 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。