6-氧-甲基红霉素

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 Scientific American(三)月

甲氧苄啶类 甲氧苄啶 Trimethoprim 甲氧苄氨嘧啶, 美替普林, 磺胺增效剂, TMP,三甲氧普林 溴莫普林 Brodimoprim Clafalix, BMP, Hyprim, 溴莫卜宁 大环内酯类 红霉素

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

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(88) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(67) / 评论(0) 分类 VOA2003(下)-环境与健康

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 经济学人科技系列
学英语单词
a length of 100m at each end
Adonis vernalis L.
antiastrology
Assier
autoclavable membrane
automatic sequence-controlled
back header
bean cage
Bettona
blastomycess
calculus of natural deduction
cantab
Carex erythrobasis
chairbacks
cisplanetary space
coarse control rod
coelestiss
coke replacement
computer communications system
concursion
deedss
demand level
diningroom suite
disinchant
eddy-current tube test
electric drill
ermahgerd
Euler's trail
fabry perot injection laser
feedback bellows
fishing right
Florentine arch
focus current
front-benches
full motion video compression board
genogram
go on and on
greases
grey face
group of letter
Hartlepudlian
have a handle on
Himezi
histie
hot atom annealing
hr manager
inclined sieve
incompletely closed osteon
interoffice transmission system
iPhone touch
isoionone
jinkle
lampriform
Laroscorbine
law merchant
lenfelic
light intensity modulator
mapping geometry
microwave gas discharge duplexer
mixed-dielectric capacitor
Mēt'ī
nespelems
New Year's
outturn
part-off
pass phrase
petty officers
playhead
Podile(Podili)
polar compass
polygynandry
Pongsan-gun
Pre-Cana
presagious
prymnesins
pseudo-compact
ranbir
rectangular street system
rhetorises
robitussin
sackfuls
school of thought
scylla paramamosain
search and rescue planning
segador
shinobi
skyviews
social opportunity
solegnathus hardwickii
spider stop finger
spoorer
sprial heat exchanger
study of unanticipated events
sub-prefects
superhit
thread-rolling head
toll outward position
tuned into
vibration(al) theory
wire cut cake machine
within-boards