"Food additive" means any synthetic compound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing.
食品添加剂：指为改善食品品质和色、香、味，以及为防腐和加工工艺的需要而加入食品中的化学合成或者天然物质。
The title compound has a reversible photochromic property. A possible photochromic mechanism was proposed based on the ESR spectra of colour-changed samples.
该化合物均具有可逆的光致变色特性，基于变色后样品的电子自旋共振(esr)谱提出一个可能变色机理。
Pigment: Any intensely coloured compound used to colour other materials.
颜料：颜料是能使其它材料着色的有强烈色彩的化合物。
According to the study of determination of molybdenum in compound micro-fertilizer by means of mix indicator technique, it was found that change of terminal colour of titration is clear.
研究了混合指示剂法对复合微肥中钼的测定，测定终点颜色变化明显。
The compound beverage is not only nice in colour, flavour and taste, but also nutritious. It is a kind of natural healthy beverage without any essence and preservative.
生产的复合饮料不仅色、香、味俱佳，而且营养丰富，是一种不含任何香精和防腐剂的天然保健饮料。
SS 88is a high performance pale colour medium viscosity mineral cutting oil. SS 88is fortified with inactive sulphurised chlorinated compound, chlorine and fatty oil.
SS 88是高性能淡黄色中黏度矿物油切削油，含有大量不活性硫、氯复合添加剂、氯化物及脂肪油。
Bleach: Solid or liquid chemical compound used to whiten or remove the natural colour of fibres, yarns, paper, and textile fabrics.
漂白剂：固体或液体化学药品，用于漂白或除去纤维、纱、纸张和纺织品的天然颜色。
Morphology aspect: all the Chinese colour words from substance are compound words, but there is only one structural type, all the English colour words from substance are root words.
在词法特征方面：汉语实物颜色词的构词类型全部为复合式，但只有偏正式一个结构类型，而英语实物颜色词以词根法为主要构词类型。
Additive compound of dipentene and methyl acrylate is a kind of new excellent non-colour transparent essence of white lemon.
双戊烯与丙烯酸甲酯的加成物是一种无色透明、具有白柠檬香气的新型香精。
Photochromic compound is characterized of changing from one colour to another under UV radiation and returned to be colourless after removal of the light source.
其性能显示出某个颜色的变化，在紫外光辐射下曝光从一个颜色变成另一种颜色。然后在撤换光源后又转变回无色状态。
Food additive "means any synthetic compound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing."
食品添加剂：指为改善食品品质和色、香、味，以及为防腐和加工工艺的需要而加入食品中的化学合成或者天然物质。
Food additive "means any synthetic compound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing."
食品添加剂：指为改善食品品质和色、香、味，以及为防腐和加工工艺的需要而加入食品中的化学合成或者天然物质。
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