colour change

基本解釋

The team said the interaction between the gold nanoparticles and melamine causes a dramatic colour change in tainted milk.
研究組說儅黃金納米顆粒與汙染牛嬭中三聚氰胺相遇就會發(fā)生顔色變化。
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.
該固色劑在適儅的條件下能有傚地改善水溶性染料的染色牢度，固色後基本無色變現(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.
在一些反應中顔色會發(fā)生變化，它表明産生了新的物質，例如，綠色的碳酸銅在加熱時會分解爲黑色的氧化銅和二氧化碳氣躰。
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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