原子吸收分光光 度法

A Century of Memories (1940-1949) On the first Sunday in December 1941, Americans were doing what Americans did on any normal Sunday.

发表于:2018-11-28 / 阅读(280) / 评论(0) 分类 疯狂英语2003年

a an abandon abide ability able abnormal aboard abolish about above abroad abrupt absence absent absolute absolutely absorb absorption abstrate abstract absurd abundance abundant abuse abuse academic academy accelerate acceleration accent accept acce

发表于:2018-11-30 / 阅读(293) / 评论(0) 分类 2005星火考研词汇记忆指南

diesel sincerity hit thrash dilute spiral absorption inject diploma groan infer summit foremost confront between popularity offence exemplify blunt assessment pact tuition wrath allied

发表于:2018-12-01 / 阅读(261) / 评论(0) 分类 用Mp3背六级单词

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(169) / 评论(0) 分类 赖世雄学英语第四册

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(230) / 评论(0) 分类 雅思英语

Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a

发表于:2018-12-31 / 阅读(176) / 评论(0) 分类 英语听力文摘 English Digest

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

发表于:2019-01-08 / 阅读(209) / 评论(0) 分类 Scientific American(二)月

We have bigger houses and smaller families; more conveniences, but less time; we have more degrees, but less common sense; more knowledge, but less judgement; more experts, but more problems; more medicine, but less wellness. We have multiplied our p

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 英语美文

We have multiplied our possessions, but reduced our values. We talk too much, love too little and lie too often. We've learned how to make a living, but not a life; we've added years to life, not life to years. We have taller buildings, but shorter t

发表于:2019-01-11 / 阅读(184) / 评论(0) 分类 阅读空间

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(209) / 评论(0) 分类 VOA标准英语2010年(二月)

Ethiopian Jews Settle Into Life in Israel Israel is marking the 20th anniversary of a massive airlift of Ethiopian Jews called Operation Solomon. The arrival and integration of tens of thousands of Ethiopians into Israeli society have presented major

发表于:2019-01-13 / 阅读(185) / 评论(0) 分类 VOA标准英语2011年(十一月)

DAVID GREENE, HOST: Ohio's governor, John Kasich, is back on the national stage this week. He's out with a new memoir about his bid for the 2016 Republican presidential nomination. The book is called Two Paths: America Divided Or United. I spoke with

发表于:2019-01-17 / 阅读(167) / 评论(0) 分类 2017年NPR美国国家公共电台4月

(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g. The hydrogen atom is near1y l6 times as

发表于:2019-01-17 / 阅读(200) / 评论(0) 分类 英语口译

英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

发表于:2019-01-17 / 阅读(194) / 评论(0) 分类 英语口译

Fortunately more sober types were at work elsewhere. In 1808, a dour Quaker named John Dalton became the first person to intimate the nature of an atom (progress that will be discussed more completely a little further on), and in 1811 an Italian with

发表于:2019-01-29 / 阅读(169) / 评论(0) 分类 万物简史

A share A股;甲类股份 abatement of tax 减税;减扣免税额 ABN AMRO Bank N.V. 荷兰银行 above-the-line expenditure 线上项目支出;经常预算支出 above-the-line receipt 线上项

发表于:2019-02-01 / 阅读(214) / 评论(0) 分类 财会英语

Around the world, many people start their day with a cup of coffee, a cappuccino, or an espresso. At the same time, there are many people with various thyroid conditions who rely on synthetic thyroid hormone replacement medication like levothyroxine

发表于:2019-02-01 / 阅读(223) / 评论(0) 分类 实用英语

俗话说:一母生九子,九子各不同。这句话在我邻居家孩子的身上体现得淋漓尽致。大女儿心灵手巧,做什么像什么;而二女儿却刚好相反,总是笨手笨脚。All thumbs就用来形容她这种笨手笨脚

发表于:2019-02-06 / 阅读(163) / 评论(0) 分类 实用英语

A abbreviation,absorption,abstract,abundance,acceleration,acceptance, accessory,accommodation, accordance,acquaintance,acquirement,acquisition,adjustment,administration, admiration,admission, adoption

发表于:2019-02-18 / 阅读(197) / 评论(0) 分类 考研英语

1.心事重重 some thing weighs heavily on ones mind The boss is quite down these days. He seems to have something weighing heavily on his mind. 老板这几天沉默寡言,看起来好像是心事重重的 2.苦苦哀求 press ones suit She press

发表于:2019-02-19 / 阅读(178) / 评论(0) 分类 英语口语
学英语单词
a bite to eat
a reel of film
achievement tests
apicoectomy
apolaustic
arrangement of reinforcement
arteriomesenteric
audio-fidelity control
Bankipore
bearing off side
binary carry
blowdown cock
book-collectings
carrier beat phase measurement
ceramets
circuit structure
closed type die
Commercial Radio International Committee
criticization
dental lancet
Deolip
Dictyospermum scaberrimum
eccentric sleeve
fibrous barite
fijo
filmizes
first up
floors-to-ceiling
force ice
free-rise-and-fall experiment
frictional press
gartcosh
gland-
Hemphillian
high-speed particles erosion test
Hipocapac, Nevado
histolyzing
ilTMP
imformation officer
immediate vicinity
installation and repair service
interior dune
intersepto-valvular space
katatectic layer
koksoak
Langdale
laser schlieren method
least-action principle
Leontopodium monocephalum
limit inferiors
limy ore
lioncel
Loutraki
makov
matured silkworm
medial epicondylic ridge
mixed fish soluble meal
multispectral remote sensing technology
Namecala
Nesco
non-contact longitudinal recording
not know what has hit you
OB scanner
okinawans
on-hangers
optimal group size
outer-bottom expansion
P'yǒngsan-gun
pentasodium triphosphate
periductile
planar multiplicity factor
plaster tablet
plastometry
play with fire
Protolith-Zinnwaldite
pulmonic dilatator
rancheria
reagan administrations
real-time I/O control
redoximorphic
repeated stress failure
reversible adiabatic compression
sharply focused image
side-tables
spindle speeds
statisticalization
stolon reproduction
superior radio-ulnar joints
Tanzawa-san
test flight data
three cylindrical die thread rolling
Tibet
toe pointing backward standing
Turners Falls
type-case
under the nose of
unique features
vicious language
visual training aids
Watwat
ziphoide
Zǎbrǎtǎu