colour change

常見例句

雙語例句

• The team said the interaction between the gold nanoparticles and melamine causes a dramatic colour change in tainted milk.
  研究組說當(dāng)黃金納米顆粒與污染牛奶中三聚氰胺相遇就會發(fā)生顏色變化。
• Under proper conditions, it can efficiently enhance the colour fastness of the fabric dyed with water soluble dyes and after fixation little colour change will occur on the dyeings.
  該固色劑在適當(dāng)?shù)臈l件下能有效地改善水溶性染料的染色牢度，固色后基本無色變現(xiàn)象。
• In several reactions a colour change indicates the formation of new products. For example, green copper carbonate reacts, when heated, to form black copper oxide and carbon dioxide gas.
  在一些反應(yīng)中顏色會發(fā)生變化，它表明產(chǎn)生了新的物質(zhì)， 例如，綠色的碳酸銅在加熱時會分解為黑色的氧化銅和二氧化碳?xì)怏w。
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權(quán)威例句

• At this stage, however, using the protein that way could turn reading into a truly electrifying experience: a charge of about 4, 000 volts is needed to trigger the colour change.
  ECONOMIST: Showing off
• The next stage, currently still in the laboratory, is to develop coatings that change colour when they absorb toxic chemicals, thus alerting soldiers that they are under chemical attack.
  ECONOMIST: Monitor: A good kind of gas-guzzling The
• That is because electronic paper does not need backlighting in the way that liquid-crystal displays do (see article) and making beads or capsules change colour does not take much energy.
  ECONOMIST: Showing off
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