增补染料

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(288) / 评论(0)

2016年Scientific American(九)月

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破冰英语

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破冰英语

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破冰英语

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破冰英语

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高中英语听力人教版第三册

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(226) / 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(291) / 评论(0)

农业与发展

VOA常速英语2008年-Calabrian Mafia Leader Nabbed

By Sabina Castelfranco Rome 19 February 2008 Italian police have arrested the leader of the Calabrian mafia, which has parlayed drug trafficking to become more powerful than the more famous Sicilian mob. Clan feuds of the powerful 'Ndrangheta organiz

发表于:2019-02-03 / 阅读(251) / 评论(0)

VOA常速英语2008年（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(299) / 评论(0)

英闻天下

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学英语单词

base-centered monoclinic

by-pass control valve

capacitance liquid level gauge

closing of the circuit

combination turbine

compound nucleus

computerize marker making

concave perforated plate

counties palatinate

cracking core model

cumulative percent cost price

distance to the horizon from object

electro spark sintering

exposure dose of radiation

hyperbaric therapy

inclined bottom car

indentation-hardness tester

installment scheme

intersexualities

iron-loss per unit weight

Joseph's flowers

law of constant angle

low pressure vessel

management activity

methylcobalamin

misincorporating

neo- Malthusianism

non consumable arc melting

parabolic flight test

peak inverse voltage

perllymphangitis

pick take up the thread s

polyvalent bacterial vaccine

quasi-optical feed system

rabbinic hebrew

raspberry beetle

self-emulsifying

SLCS (standby liquid control system)

spike suppressor

task someone's mind

thrown-together

transient-stability limit

transistor diode logic

transmural pressure

triethyltin hydroxide

wonderful morning