He makes his own paint, grinding up the pigment with a little oil.
他把色料块加少许油磨碎，自己制成绘画颜料。
You are better off using a pure green pigment.
你最好使用纯绿色颜料。
Why this pigment is there and what it might do was unknown.
这种色素为什么会存在和它可能有什么作用是未知的。
Say we determined a pigment was made with zinc, for example.
比如说，我们确定一种颜料由锌制成。
Using ultraviolet light, we can see the spectral signature of each component part of the pigment.
通过利用紫外光，我们可以看到颜料各个组成部分的光谱特征。
Fruits with a red hue, such as tomatoes, guava, and papaya, contain lycopene, a reddish pigment and nutrients.
像西红柿、番石榴、木瓜等红色的水果，含有番茄红素，一种红色的色素及营养素。
We compare these signatures with those of particular elements like zinc or lead, to determine what the pigment was made of.
我们将这些特征与锌或铅等特定元素的特征进行比较，以确定颜料是由什么构成的。
It is possible that tubes made from animal bones were used for spraying because hollow bones, some stained with pigment, have been found nearby.
有可能是用动物骨头制成的管子来喷洒，因为在附近发现了空心骨头，有些骨头上沾有颜料。
Since you're trying to verify if it's a Rembrandt, the ingredients in the pigment would need to have been used during Rembrandt's lifetime—in the 17th century.
既然你想确认这是不是伦勃朗的画，那么颜料里的成分就必须符合伦勃朗在世的年代——也就是在17世纪。
From the Middle East the Chinese acquired a blue pigment—a purified form of cobalt oxide unobtainable at that time in China—that contained only a low level of manganese.
中国人从中东获得了一种蓝色颜料，这是一种当时在中国很难得到的纯净的氧化钴，这种颜料只含有少量的锰。
It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.
这听起来很矛盾，因为这一假设背后的理念是，树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质，以免它吸收过多的光。
The ink stick is the pigment (颜料) used in writing and painting.
墨棒是用于书写和绘画的颜料。
Prodigiosin is an intensely red pyrrole pigment produced by several bacteria, most notably, Serratia marcescens.
灵菌红素是由若干种细菌特别是粘质沙雷菌产生的一种红色吡咯色素。
A third set used a purple pigment.
第三组用紫色颜料。
They bear traces of red ochre, a pigment.
这些外壳上有赭红色颜料着色的痕迹。
A blue eye pigment doesn't actually exist in nature.
蓝眼色素在自然界实际上并不存在。
The pigment absorbs the radiation and protects cells from damage.
黑色素可以吸收辐射，保护你的细胞不受损伤。
A pigment mixed with water and a gelatinous material, esp. egg yolk.
调入水、蛋黄等胶状物的颜料。
They have to be fed a synthetic pigment to give them their pink color.
除此之外，他们还会喂以人工合成色以素赋予鲑鱼粉红的肉色。
Scientists focused on the pigment melanin, which gives human skin its color.
科学家们集中于研究黑色素，就是他们使人类的皮肤具有颜色。
In one type of squirrel monkey, the males lack a visual pigment called L-opsin.
在一种松鼠猴中，雄松鼠猴缺少一种叫做L视蛋白视觉色素。
They share a pigment used in hair dyes, which can lead to problems down the line.
他们使用染发剂的一种色素，它可以完全导致过敏症。
It's a pigment in red plant foods that researchers believe can prevent illness.
这是一种在食品中被发现的，红色的植物色素。研究人员认为，番茄红素可以预防疾病。
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