[化] 硫酸钇

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(155) / 评论(0) 分类 世界各地新闻集锦

Ytterby 瑞典小镇伊特比 yttrium 钇 (1794) erbium 铒 (1842) terbium 铽 (1842) ytterium 镱 (1907) 1794年在瑞典小镇伊特比的黑石中发现了化学元素钇,决定用 Ytterby命名该元素:yttrium。1842 年在该镇的黑石中发

发表于:2019-02-18 / 阅读(125) / 评论(0) 分类 实用英语

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(163) / 评论(0) 分类 英语时差8,16

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(257) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
Agbabu
amino-acridine
anti-siphon trap
antitackiness agent
applied selling and administrative expenses
assessed on capital
Baikal Lake
ball making petal machine
bechat
bedmakings
bikiniless
Caja de Muertos, I.
Campylobacter fetus
celeste
cheema
cigar mess
communication controller
comstock-needham
conservation tillage
Consolidated Natural Gas
crankshaft nut
curlew
Cyclanthales
data flow instruction
deep sea lead
delta agent
demento
device management
domine
dyers' chamomile
Easy D
erectile disfunction
eriosoma yangi
fatextracted
fireaters
follow treaty
functional space
gangetin
genus Aspalathus
genus lyginopteriss
gets behind
homochromo-isomer
horizontal-spindle rotary table grinding machine
Huangshi
industrialized building system
kojis
large-angle scanner
Launaguet
Maesa perlarius
main relay valve
mangan-actinolite
Matheson joint
metal locked up in furnace bottom
mill drying
mountain form
multi-links
Mīt Yazīd
Nasoraean
New Zealand kauri
Nireguao, R.
oil distribution casing
Oophytum
parapetted
Park Ridge
peptidolipid
Persicogenin
persley
pickle stain
process of creating value
rear-ward
reinsert
reperuses
rhe
ringens
rope inhibitor
Saint Paul River
salt-works
SEK1
shore profile
shot blasting machine
Soembawa
souleiadoes
stratified deposit
subendu
system der gruppenvorzug
take a profound interest
tall money
the... the...
thuns
tip cart
treatment rationale
tuberal
uniformly optimal plan
unimolecular decomposition
ventilating mechanism examination apparatus
wassail bowl, wassail cup
watertight light fitting
Whiston
Wolf L.
word-association
Zakharovka
zambos