苔红素染料

科学美国人60秒 SSS Oldest Known Indigo Dye Found in Peru

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)

2016年Scientific American(九)月

"Ich bin ein Berliner"

I am proud to come to this city as the guest of your distinguished Mayor, who has symbolized throughout the world the fighting spirit of West Berlin. And I am proud -- And I am proud to visit the Federal Republic with your distinguished Chancellor w

发表于:2018-12-30 / 阅读(335) / 评论(0)

名人演讲

VOA标准英语2008年-Use Of Organic Dye Encourages Australian Skin C

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)

VOA标准英语2008年（八月）

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dye

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)

农业与发展

2006年VOA标准英语-Syrian Protesters Torch Danish and Norwegi

By Sonja Pace Damascus 04 February 2006 Angry Syrian protesters set fire to the Danish and Norwegian embassies in Damascus Saturday. It was the most violent demonstration of anger to date over cartoon

发表于:2019-02-05 / 阅读(114) / 评论(0)

2006年VOA标准英语（二月）

英闻天下——318 Toxic Dye Found in School Uniforms

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)

英闻天下

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