如果你想想我们周围的许多颜色、形状和质地，它们都是具体而独特的化学反应的产物。
If you think of the many colours, shapes and textures around us, they are all the product of specific and unique chemical reactions.
我们曾试着燃烧化学物质，观察火焰的颜色。
We once tried to burn the chemicals and watch the colors of the flames.
不同的化学物质会产生不同颜色的火焰，包括亮橙色和深绿色。
Different chemicals produced different colors of flames, including bright orange and dark green.
中国和德国的研究人员已经研发出一种化学液体来帮助保留士兵的颜色。
Chinese and German researchers have developed a chemical liquid to help save the soldiers' colors.
“当我很小的时候，我的父母给了我一个吉尔伯特化学仪然后我就发现它很奇妙，”兰格博士回忆着他是如何玩耍化学药物和改变他们颜色的时候说道。
"When I was a little, my parents bought me a Gilbert chemistry set and I found it fascinating," says Dr. Langer, who recalls how he kept playing with the chemicals and making colors change.
调味盐有使其颜色白的化学添加物。
微粒的飞溅不仅在水星上空形成了一个超级稀薄的大气层（更准确的说是外大气层），而且还改变了水星地表的颜色，反射比，以及化学成分。
The impacts also change the colour, reflectance and chemistry of the surface over time.
在这项研究中，她和她的同事对老鼠进行辐射并使用了用于化学疗法中的药品，然后监测老鼠皮毛颜色的变化以及其干细胞的状态。
For this study, she and her colleagues exposed mice to radiation and drugs used in chemotherapy, then monitored changes in the color of their fur as well as the status of their stem cells.
添加大量的颜色到饮食里是确保摄取维他命、矿物质、植物化学物质和纤维的最好方法之一。
Adding lots of color to your diet is one of the best ways to be sure that you are getting vitamins, minerals, phytochemicals, and fiber.
在过去，可用的颜色并不多，有一些颜料的特殊化学性能决定了它们特别方便使用。
In the past, there weren't so many colors available, and some had particular chemical qualities that made them good to use.
它的原理在于：当植物蛋白受体受到有害化学物质的刺激时，叶面外皮会释放出一种萜类化合物用以覆盖叶面，因此植物会改变其颜色。
It works because the receptor proteins in plant DNA respond naturally to threatening stimuli by releasing chemicals called terpenoids to thicken the leaf cuticle, thereby changing its colour.
举例来说，这就是蛋白在加热的时候转变颜色与质感的原因：蛋白中的化学键断开又重新形成，改变了它的物理特性。
This, for instance, is why egg white changes colour and texture when cooked: bonds in the albumen in the white break and reform, changing its physical properties.
由于不同细菌对不同污染的敏感程度不同，因此，不同颜色的荧光可以用来显示特定的化学物质。
And because different bacterial species are sensitive to different pollutants, different coloured glows can indicate the presence of specific chemicals.
当滴定终点到来时，所有的未知溶液全都完成了化学反应，溶液的颜色就会发生变化。
When the tipping point comes, and all of the unknown reagent has reacted, the solution changes colour.
科学家改变了植物的蛋白成分，当它们暴露于某种特定化学品的时候，植物就会改变颜色。
They have taught plant proteins to change colour when in the presence of certain chemicals.
如果我要为一个包染色，所用的化学品造成的环境污染比我希望的要大，但为了使颜色更明亮，我还是会使用它的。
I try really hard, but if now and again I have to dye a bag using chemicals that are not as low in environmental impact as I'd like, in order to get a brighter colour, then I will do that.
粪便的颜色和气味是细菌作用于化学物质的结果。
The colour and odour are produced by Bacterial action on chemical constituents.
胶卷上涂了一层感光的化学物质，这些物质因光的不同色度与颜色而改变。
The film is coated with light sensitive chemicals, which are change by the different shades and colors of light.
小宝宝的大便有时是发绿的，粪便的颜色与胆汁的化学变化有关。
Sometimes a baby's stool is green hair, feces and bile the color of the chemical changes.
他说他们的小组正在实验四种不同的PROVECTOR原型，以便得到最佳的颜色和化学物质的组合-前面没有提到的是，这种人造花在失去效用后，花瓣是可以生物降解的。
He says his team is testing four different prototypes of PROVECTOR to come up with the most effective mix of color and chemicals-not to mention, disposable petals that are biodegradable.
植物化学成分是具有预防疾病功能的非营养植物物质，它们决定了每种食物的特定颜色。
Phytochemicals are non-nutritive plant substances that have disease-prevention properties and give each piece of produce its specific color.
食盐为使颜色变白而有化学添加物，较合适的选择是海盐。
Table salt has a chemical added to make it white in color Betteralternative is Bragg's aminos or sea salt.
食盐为使颜色变白而有化学添加物，较妥之选择是海盐。
Table salt has a chemical added to make it white in color Better alternative is Bragg's aminos or sea salt.
本文定义了一个新的参数：淬灭类型贡献因子(QTCF)，借以描述化学和颜色两种淬灭对混合淬灭样品淬灭的贡献程度。
A new parameter of quenching type contribution factor (QTCF) was established so as to denote degree of contribution from chemical or color quenching in a mixed quenching sample.
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。
Bleach: Solid or liquid chemical compound used to whiten or remove the natural colour of fibres, yarns, paper, and textile fabrics.
对采用化学着色法在溶液中不锈钢氧化色膜的生成速度、颜色转换控制、膜层的结构及其抗蚀性能进行了试验研究。
The Color film was made on stainless steel through chemical coloring, and the formation rate, color conversion controlling and corrosion resistance of color film were also studied.
加上电流和化学处理后，会产生不同的颜色。
With current and chemical processing, can produce different colors.
加上电流和化学处理后，会产生不同的颜色。
With current and chemical processing, can produce different colors.
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