[染料] 酸性络合染料

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(131) / 评论(0) 分类 英语语法 Grammar Girl

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(112) / 评论(0) 分类 Scientific American(二)月

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(114) / 评论(0) 分类 2016年Scientific American(九)月

[00:02.54]English Express [00:28.11]OAKA - The Athens Olympic Sports Complex [00:31.40]雅典奥运会场馆 [00:43.42]The Athens Olympic Sports Complex (OAKA) [00:47.09]is situated at Maroussi [00:48.97]and was the centre of the Olympic Games 2004.

发表于:2018-12-26 / 阅读(155) / 评论(0) 分类 轻松英语之旅

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(80) / 评论(0) 分类 英语听力文摘 English Digest

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(77) / 评论(0) 分类 60秒科学

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 Scientific American(三)月

[00:00.00]4 Were the staff nice at the hotel? [00:05.50]Oh yesthey really went out of their way [00:07.50]to make us feel at home. [00:10.55]5OK,we'll drive to the restaurant [00:15.07]Do you know the way? [00:16.71]I'm not sure I remember ityou'd be

发表于:2019-01-10 / 阅读(222) / 评论(0) 分类 北师大版高中英语模块10(选修)

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(95) / 评论(0) 分类 VOA标准英语2008年(八月)

The Asian Cup football (soccer) tournament kicks off in Doha, Qatar, Friday, January 7, with defending champion Iraq to play North Korea, Iran and the United Arab Emiterates in Group-D play. Iraqi football fans are also looking forward to 2013, when

发表于:2019-01-14 / 阅读(127) / 评论(0) 分类 VOA标准英语2011年(一月)

如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合,学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)

发表于:2019-01-22 / 阅读(103) / 评论(0) 分类 美国文化脱口秀

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 自然百科2009年

By George Dwyer Washington 10 April 2008 On Friday, 11April, a major cultural and architectural event is set to take place in Washington: amassive new interactive museum complex dedicated to the profession of journalism will open its doors to the pub

发表于:2019-01-30 / 阅读(95) / 评论(0) 分类 VOA常速英语2008年(四月)

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(194) / 评论(0) 分类 60秒科学

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(124) / 评论(0) 分类 农业与发展

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(99) / 评论(0) 分类 英闻天下

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

发表于:2019-03-06 / 阅读(155) / 评论(0) 分类 英语时差8,16

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(295) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
'scaped
679
absolute marine combined magnetometer
adiabatic system
admiralty signal establishment
binary store element
blastodisks
brand domain
casadevall
casting spot
catch tank
Chinese edible frog
clamping collar
coefficient of scatter
collision-free bow shock
comitia
congenital resistance
densonucleosis virus
deoxynucleic
direct impact type air speed indicator
drawish
duck-egg blues
echo matching
equalizing tank
erianthella formosana
eures
expert channel
extraordinario
fish piece
flat Pratt truss
fluorine hydride
fuck face
funny ha - ha
general-purpose operating system executive
ghada
globalise
hand sounder
high dispersing rosin emulsion
homedog
hunger-strikings
hydraulic blow
Kivach
lalling
Lampong
lethrinus haematopterus
liability for the risk of loss
localized edema
lunes
lymphoma of breast
lyophase
made my peace with
magnetopolarons
Meteoriopsis
mixed code approach
monostyla closterocerca
morassy
Mosteiros
net income before depreciation
neutron gamma reac-tion
nucleotide map
oil recovery method
optical data handling
parallel-circuits per phase
pico de orizabas
plastered ceiling on metal lath
pleadings in the alternative
points of accumulation
polyparous
postal administration
principle of universality
pro parte
procaine borate
purchase-probability surveys
reddish blues
regional geography
replenishing valve
repp gobbelin
sainted
salfuride
sanidophyre
scleraxis
screenreaders
shriekings
Siri, C.
skipping town
software defined radios
spark transmitters
spbcostal plane
special wholesaler
status word cancl
Stellaria yunnanensis
storage site node
sucked up
sunnight
terminal-related msdb
tertiary butylhydroquinones
time-sharing statistics
tremor mercurialis
truss-tube
understaters
variable language interpreter
wyses