n. 苯吡咯
[网络] 苯基吡咯

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(三)月

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(63) / 评论(0) 分类 国家地理2008年

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 Scientific American(十一)月

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(68) / 评论(0) 分类 自然百科2008年
学英语单词
2'-O-methyluridine
accessory palatine canal
adriance
advance control
Andaxin
Angle-visual
atsake
barbour b.
basking
bearing change
bemired
beyond defiance
bifilar gravimeter
chromium intensification
cleadons
clethrionomys glariolus
come the heavy over sb
conductor load
cost accounting procedure
cresotoyl
day-after
dc generators
descampe
despatch weather
digenomous octaploid
disc bit
discoasting
disparcle
dominant ninth
dot matrixes
drrp
easier money
excepted
factor analysis research
family budget inquiry
forest fire size class
fossae intercruralis
fruit sauce
fujoshi
full-wave circuit
glued insulation joint
heating tube in section of convection chamber
high speed walking robot
homologus chromosome
in line package
initiament
intrasellar calcification
juvenile sociology
laden
Lenhartz treatment
logicor
member field
menstruants
misandrist
multi-idler electronic belt conveyor scale
muscel
musical time signature
must-run ratio
ntl)
off-schedule
Ononis arvensis
op ed
operation revenue
order cancelled
paternal love
pendulum-type time relay
personal rescue enclosure
Phenetin
polar bonded phase
postdetection filtration
pressed rib
pried out
proucing numerous culms and ears
pulse-blocking counter
rainwater hopper
read.me
rebuyt-
resection of head of radius
Roughtongue
script-editors
shepherdize
sign coding equipment
stereoscopic telescope
stratum fibrosum (cutis)
Sukunahikona
sumaresinolic acid
syrah
tainiolite (taeniolite)
The Mail
transfer condition
trimming-machine
unclustering
unified science
upright dealings
urban area
ventilator room
vitamin b6s
vote-seekings
waste gas cleaning system
windshield cleaner
Zalun
zero delivery