酸性工业废物

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(77) / 评论(0) 分类 Scientific American(二)月

IndustrialSpy Tenmenappliedforajobasanindustrialspy. Theinterviewergaveeachmanasealedenvelope. Theywereorderedtodeliverittothefifthfloor. Onemansecretlydisobeyedandopenedhisenvelope. Itread , You'retherightpersonforthisjob.Reporttothepersonneldepar

发表于:2018-12-26 / 阅读(78) / 评论(0) 分类 英语笑话(MP3+文本)

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(64) / 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(53) / 评论(0) 分类 60秒科学

The small Ethiopian town of Dukem has some of the most fertile land in the country. It also is home to Ethiopias first industrial park. Dukem is part of a government-led push to turn the mostly agricultural country into Africas manufacturing center.

发表于:2019-01-03 / 阅读(116) / 评论(0) 分类 2018年VOA慢速英语(二)月

污染物 aerosols气溶胶 / 气雾剂 agricultural wastes农业废物 asbestos石棉 commercial noise商业噪音 composite pollution混合污染 dioxins二恶英 hazardous substances危险物质 hazardous wastes危险废物 heavy metals重金属 h

发表于:2019-01-03 / 阅读(139) / 评论(0) 分类 英文语法词汇

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(79) / 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(141) / 评论(0) 分类 Scientific American(四)月

We all create it, even if we usually dont like to think about it: waste. And the journal Science devotes its new issue to the subject. It delves into the problemshome garbage, plastics, metal, water, even everyones favorite, sludgeand discusses resea

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 Scientific American(八)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(96) / 评论(0) 分类 Scientific American(三)月

Technology Report - Turning Industrial Waste-Heat Into Electricity 科技报道 - 利用工业废热发电 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Scientists say enough energy is being waste

发表于:2019-01-12 / 阅读(86) / 评论(0) 分类 2012年VOA慢速英语(八)月

Technology Report - Turning Industrial Waste-Heat Into Electricity This is the VOA Special English Technology Report. Scientists say enough energy is being wasted in the oil and gas fields of Texas every year to provide electricity to one hundred tho

发表于:2019-01-12 / 阅读(82) / 评论(0) 分类 2012年VOA慢速英语(九)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(80) / 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(94) / 评论(0) 分类 自然百科2009年

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(173) / 评论(0) 分类 60秒科学

BEIJING, Dec. 9 (Xinhua) -- China's industrial production growth continued to accelerate in November, indicating that the nation's economy is rebounding after seeing its lowest expansion pace in more than three years. China's value-added industrial o

发表于:2019-02-06 / 阅读(87) / 评论(0) 分类 英语新闻

China's industrial output growth accelerates in October BEIJING, Nov. 9 (Xinhua) -- Industrial production growth continued to accelerate in October, presenting evidence that China's economy is picking up steam after seeing its lowest growth rate in m

发表于:2019-02-06 / 阅读(86) / 评论(0) 分类 英语新闻

Pollution: a Social Problem When we read newspapers, we often come across the word pollution. This word was not familiar to the people some decades ago. But now, it is a serious threat to us because.it means the poisoning of the air, seas, rivers an

发表于:2019-02-08 / 阅读(69) / 评论(0) 分类 英语作文

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(120) / 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(276) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acetodehydrogenase
air blast duster
all-glass paper
anisyl aidehyde
annual inventory of fixed assets
autopneumatolysis
barcia
bbi
berada
biological determination
bonding company
breast-band
bromoalkane
Caledonian
canonicalise
capital personal account
catfaces
CEPHA
cert.
ceska kamenice
cladoptosis
claim the protection of the law
clamped signal output
class oomycetess
clomipramines
cobalt nickel pyrite (cobalt-nickelemelane)
coinfected
convoy system
counterreceptor
cyclicodevelopmental
displacement of colon
double acts
dropping-out
Elatostema goniocephalum
enhancer binding protein
erethin
euxinia
forefight
garden path design
graded crushing
hanboks
high salt content
hornsmen
hoummoss
hydro-tracer head
Ilex hanceana
integrated mems and display driver
intensity of X-ray diffraction
intercolumned
international legal duty
intracervical insemination
ionic activity coefficient
jico (xico)
Kyakhtinskiy Rayon
lighting tube
loader-harvester
magnetic-core storage
magnolioid
marrais
micropylar chamber
midnight-black
milk-borne
murmure
museum display
negotiatrix
neoliberalisms
netherveld
network-centric
nonunitary
off pitch
Oksilidin
ossiculum
outermost surface
Permira
plane of nutrition
preethinrityeshwar (india)
prostatic sarcoma
R4
ranunculus lyaliis
rather too salt
relative reractory period
Ring Laser Velocimeters
short wave communication for rail-way emergency
simple class
singular forms
somnifugous
sperm competition
spinal branches
spurious tube counts
starch soluble
strand mill
strip check
substitute arbitrator
switchboarding
taxable profits
thode
tole-rants
total counts of acoustic emission
two-zone
uveitis in brucellosis
weitzner
west countries