释义 |
achemicalelementthat is a hard, blue-greymetal, used incombinationwith othermetalsto makechrome (化学元素)铬SMART Vocabulary: related words and phrasesChemical elements - actinium
- alkali metal
- americium
- astatine
- berkelium
- brimstone
- bromine
- calcium
- fluorine
- germanium
- iodine
- lithium
- manganese
- nickel
- plutonium
- quicksilver
- selenium
- silicon
- sodium
- transition metal
See more results » (Definition ofchromiumfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)- Prolonged heating and high temperatures have a very bad effect upon chromium steels.
- The combined action of tungsten and chromium in steel gives to it the remarkable property of maintaining its cutting edge at relatively high temperature.
- The following table shows the percentages of carbon, manganese, nickel, chromium and vanadium in typical steel alloys for engineering purposes.
- The nickel intensifies the physical characteristics of the chromium and the chromium has a similar effect on the nickel.
- When chromium is alloyed with tungsten, a very definite red-hardness is noticed with a great increase of cutting efficiency.
chromium| American Dictionarya hard, blue-gray,elementused incombinationwithmetalsor put on amaterialtoformashinycovering (Definition ofchromiumfrom theCambridge Academic Content Dictionary© Cambridge University Press)Examplesofchromiumchromium Elemental analyses of this deteriorated wood showed high levels of copper,chromium, iron, and lead, suggesting that a caustic chemical spill had occurred.From theCambridge English Corpus Results were obtained for arsenic, cadmium,chromium, cobalt, copper, lead, nickel, and zinc.From theCambridge English Corpus Chromiumsupplementation in growing goats indicated that the kids were responding normally to this stress.From theCambridge English Corpus The same procedure was adopted to compute the combined pollution load from hides and skins for 2004 and forchromiumfor both years.From theCambridge English Corpus The heavy metals in the ash included arsenic, cadmium,chromium, manganese, nickel, cobalt, copper, zinc, and lead.From theCambridge English Corpus Chromiumsupplementation does not influence glucose metabolism or insulin action in response to cold exposure in mature sheep.From theCambridge English Corpus The test was performed after 135 days ofchromiumsupplementation.From theCambridge English Corpus There were burns that contained wood that did not have high arsenic,chromium, and copper readings (burns 11, 12, 14, 15, and 19).From theCambridge English Corpus Influence ofchromiumtripicolinate on glucose metabolism and nutrient partitioning in growing lambs.From theCambridge English Corpus High concentrations ofchromiumand lead are associated with this caustic chemical spill.From theCambridge English Corpus For the surface coated with fish extract there was also a significant decrease in thechromiumsignal.From theCambridge English Corpus The most commonly used metals are titanium, cobalt,chromium, molybdenum alloy and steel.From theCambridge English Corpus As a result, these soils contain high concentrations of oxidized transition metal minerals, particularlychromiumand manganese, as well as perchlorate.From theCambridge English Corpus The highest readings of arsenic,chromium, and copper all occurred when wood was present.From theCambridge English Corpus Further correlations existed between heavy metals in the ash for: arsenic andchromium; and arsenic and manganese.From theCambridge English Corpus 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. #https://dictionary.cambridge.org//dictionary/english/chromium## |