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Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 (科普英语)Earth and Sky

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 知性英语

D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠

发表于:2019-01-03 / 阅读(63) / 评论(0) 分类 医务英语

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(53) / 评论(0) 分类 医务英语

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(112) / 评论(0) 分类 VOA常速英语2007年(十一月)

67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(67) / 评论(0) 分类 科技之光
学英语单词
acropodium (or metapodium)
alternating bending
Andersen, Tryggve
articulationes tarsi transversa
ascendent
athymia
B-Myb
Begard
bilianic acid
binary link
black-marketeers
bulb geophyte
bumping post sign
calming down
Cestum veneris
challengest
chemical bond energy
complete order
completionrisk
continuingly
crane locomotive
decomposition preserving
deductive algorithm
dermatophytosis
dicranum mayrii
discharge capacitance
disordinance
drop weight rammer
economic prospects
electron interferometer
exective
executive program component
fish soluble
floodlit
forcemeats
full connected topology
general defences
generation of electric energy
genus lastreopses
grade
gradeline
grafs
grossraums
hasia
hiatus stratigraphy
high-low temperature test
hiss off
hot method
injection moulded
instantaneous cooling rate
intermediate pintle
Isaac Watts
krmn
landscape inversion
long-path interferometry
mashlin
metatitanic
near-prompt
No Customary Deduction Clause
nucleolar-plasmatic quotient
ordnance technical management
parallel planing machine
Paulo Afonso (Falls)
pergamums
perpetual life
plumket
point-contact photodiode
postquadratic
pumping control diagram
purifier and clarifier double pass system
pygopods
quantumly
quarantine boat
questionatively
quinquagesima sundays
ramaley
reamer and tap fluting cutter
rear window header crossbar
reflectance spectrometer
salingars
salsa golf
Sanitary Rules
semiconductor peltier thermalelectric element
siliceous loam
silicomanganese steel
soil denudation
Strangford
sublevel drive
supracrustal rocks
Synchondroses sternales
tebufenozide
techno-savvy
temperature driving force
toellite
transformation name
unantagonistic
unauthorized access to information
vasculated
ventilation equivalent
warrants
web solution platform
womenomics