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不褪色染料

Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2016年Scientific American(九)月

春节前大街小巷都是一片欢快的景象吧 而南方的冰雪已经开始消融~ 真是一个好消息~ 这里带来这样的一首欢快的曲子 在这里给大家拜年啦~~~ 希望在新的一年里所有的人都幸福安康,快乐平安^_^ Fast Food Song Can I take your order please? Let's eat to the beat (

发表于:2019-01-07 / 阅读(126) / 评论(0) 分类 音乐咖啡厅

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

发表于:2019-01-11 / 阅读(51) / 评论(0) 分类 VOA标准英语2008年(八月)

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(70) / 评论(0) 分类 农业与发展

Olympic athletes traditionally have been known for their years of discipline in training for one moment of international sports glory. Sometimes, the preparation involves precise and scientific regimens, including strict diets to build muscles and e

发表于:2019-02-02 / 阅读(48) / 评论(0) 分类 VOA标准英语2008年(八月)

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(60) / 评论(0) 分类 英闻天下