查询词典 dyes

To how to do their own hair dyes?

如何做自己的染发剂？

Natural dyes from more than 200 plants or insects were analyzed.

天然染料由200多个植物或昆虫进行了分析。

It is also the parent substance of a large class of dyes and pigments.

它也是大量染料和色素的原始材料。

We only use 5 different dyes in our cosmetics, and they are not in all of them of course.

而在我们的化妆品中只用的这5种染料，当然就都不是这些染料的一分子了。

Division I is a professional supplier of dyes.

我司是染料专业供应商。

This paper reviews the research and development of these two dyes in recent ten years.

文中详细评述这两类染料近十余年来的研究和开发情况。

Natural dyes from plant and animal products have been used since ancient times.

植物和动物的自然染色产品在古代已经有使用了。

Natural dyes from plant and animal products have been used since ancient times.

植物和动物生产的自然染料从古代就开始使用了。

A method for the determination of 16 toxic and harmful substances in oxidation hair dyes was studied.

对氧化型染发剂中 16种有毒有害化学物质的测定方法进行了较系统的研究。

Objective To observe the effect of temperature on the positive rate of acid resistance dyes.

目的 观察抗酸染色中温度因素对痰涂片阳性检出率的影响。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。