[生态] 生态系统力能学

Broadcast: Jan 16, 2003 Experts say one of the world's most feared, but misunderstood, creatures is under 2) assault by fishermen. A new study of all types of sharks finds that there are fewer of them

发表于:2018-12-08 / 阅读(38) / 评论(0) 分类 VOA2003(上)-科技先知

Report: Ecosystems More Stressed Than Ever When Super Storm Sandy ravaged the U.S. East Coast and inundated New York City in late October, many wondered if such extreme weather events might be linked to climate change, the gradual warming of the plan

发表于:2018-12-08 / 阅读(65) / 评论(0) 分类 VOA标准英语2012年(十二月)

Last week, tens of thousands of gallons of sewage gushed into urban streams in Baltimore, because of leaky pipes and flooding rains. And when that happens, it's not just organic matter and microbes that get flushed into aquatic habitats. It's drug re

发表于:2018-12-24 / 阅读(41) / 评论(0) 分类 2016年Scientific American(八)月

Why does salt dissolve in water but oil doesn't? 为什么盐可溶于水而油却不行呢? Well, in a word,chemistry. But that's not very satisfied, isn't it? 总的来说,是化学作用。但这并不令人满意,对吧? Well, the reason

发表于:2019-01-17 / 阅读(37) / 评论(0) 分类 TED演讲教育篇

俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(81) / 评论(0) 分类 阅读空间
学英语单词
accumulated soil enzyme
adaunts
al-arabia
anteed
bacteriological weapon
baldrinal
bar of bladder
base-depth ratio
baudo
beta point source
biplot
bottine
box truck
Broncholysin
call hour
Carex pseudolaticeps
cassate
catchinesses
celuk
Chornomors'ke
conformism
convertible credit
cowch
criticalese
DEIB
delta rays
DFST
Dyer I.
ebonises
echinacosid
Elatostema subfalcatum
endothelium corneae gigeriae galli
epidermal melanin unit
expansion of liquids
Falklander
fauld
Ferrein's tubules
gaging pressure pipe
gene diversity index
gimbaled power plant
glow tubes
Grave, Pte.de
half-round clamping ring
have the length of someone's foot
high tensile cast iron
highest-ranked
holohedrism (holohedry)
information user
inner diameter of flexspline
intelligent tag radar
intervening opportunity
inverted stereo
keisuke
kriken
lencophenga (lencophenga) meijerei
Liberian coffee
lobiform
logic verification system
Micrococcus pyogenes
midward
milirem
miscodifying
mono-ovular
myzostomids
news from nowhere
non cutting stroke
Novedorin
oligopoly models
output multiplex synchronizer
overdrive clutch
Oxiurose
pachymeninges
pallidal syndrome
Palma, R.da
Peschiera de Garda
Pesellino
pharmaceutical scales
pore water fillingdeposit
Potamophis
pseudofructose
relieving board
rotuli
sapromyxite
Saxeville
sensillary base
stromanthe sanguinea
swagger-sticks
system exercisor
Thelema
things in action
three-dimensional simulation
trade contract
triclinic holohedral class
Trochelminthes
turbulent production
Vårst
walk the carpet
wandrel
warms up to
wilking
xenoestrogenicity
XML Protocol