植物染料

An analysis was made of the structure and properties of plant dye s and the mechanism of mordanting of rare earth.

分析了植物染料的结构与性能、稀土的媒染机理。

Cotton can be dyed after pre mordanting with addition agent.

植物染料加入助剂后可用于印染棉织物。

"The Book of Songs" useful blue grass, madder dyeing poetry, can be seen in the Eastern Zhou period of China's use of vegetable dyes have been widely used in folk.

诗经》中有用蓝草、茜草染色的诗歌，可见中国在东周时期使用植物染料已在民间普遍应用。

Metals, and the ability to turn certain blue vegetable dyes red.

酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。

Ability to turn certain blue vegetable dyes red.

性，并且能够使某些蓝色植物染料变红。

A corrosive action on metals, and the ability to turn certain blue vegetable dyes red.

酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。

Arp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.

酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。

That, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.

酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。

Ls, and the ability to turn certain blue vegetable dyes red.

酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。

Have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.

酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。