[化] 介二氢愈创(木树脂)酸

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(146) / 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(180) / 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(62) / 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(52) / 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(110) / 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(66) / 评论(0) 分类 科技之光
学英语单词
acanthostege
ala (pl. alae)
aleishtite
algal biscuits
Bacterium phosphorescens
be in full cry
Biofusal
biscyclopentadienyl iron
block list
Blowsing
Bunut
cabbage butterflies
catapodially
cd - rom drive
chenille yarn
Cheyenne River Indian Reservation
chromatic parallax
claw down
climate porn
compensated microphotometer
concubinal
content advisor
controlling function
decade resistancebox
detailed packing list
detectivism
dilaury ether
duir
eccentric centre
elbow line
epoxy encapsulated transformer
feather boas
feather-bed
fenya
foppery
gas-engine-driven machine
godshills
ground basses
halibiotic
hierarchy management
inspissation
interior plumbing system
International Network of Feed Information Centers
isobestic
Kinsey scale
kukui
Lauenbrück
libary
Lizhma
longtoaconitineA
marine protected area
mating socket
metallurgical imperfection
might-have-beens
monetary measures
monstrify
Monterosso al Mare
mpopia
nanometric
network dimensioning
newbold
outburnt
oxdansen (sweden)
panellus orientalis
paper-clip
particle spectrometer
Pauling's exclusion principle
peifer
pentafluoro-benzyl-chloroformate
premunite
public personnel management
quondam
rammen
recool-
recording pH regulator
relative plug radius
retinols
riverbus
rocky-point effect
sagging of ceiling
sainete
separate the grain from the chaff
snug-fitting
spark chamber
stage of milky repeness
templepatricks
theodoros
throatings
tomiyamichthys smithi
trading-off resources
trancy
triangle property
trunkback
vaginal venous plexus
variable frequency synchro generator
velocity-slip
watchbands
weighted drilling fluid
wine stock
wing parachute
Z-AR
zonisulculate