辐射温度,总辐射温度

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(225) / 评论(0) 分类 新东方背诵文选

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 hook He hung his coat on the hook behi

发表于:2018-12-05 / 阅读(99) / 评论(0) 分类 每日攻克5词

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Japan's nuclear crisis may mean greater demand for imported food and less competition from Japanese products on world markets. But it also means that

发表于:2018-12-07 / 阅读(57) / 评论(0) 分类 2011年VOA慢速英语(三)月

Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und

发表于:2018-12-08 / 阅读(80) / 评论(0) 分类 VOA标准英语2010年(一月)

This is the VOA Special English Health Report. The crisis at the damaged Fukushima Dai-Ichi Nuclear Power Station in northern Japan has raised worries about radiation risks. We spoke Tuesday with Jonathan Links, an expert in radiation health sciences

发表于:2018-12-16 / 阅读(64) / 评论(0) 分类 2011年VOA慢速英语(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 Scientific American(十)月

发表于:2018-12-25 / 阅读(129) / 评论(0) 分类 中式口语纠错

Human exploration of Mars is now an official goal of the National Aeronautics and Space Administration (NASA). Last month, U.S. President Donald Trump signed a bill to increase NASAs budget. The law sets spending at $19.5 billion for the 12-month per

发表于:2019-01-02 / 阅读(66) / 评论(0) 分类 2017年VOA慢速英语(四)月

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(115) / 评论(0) 分类 英语杂谈

U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation(放射) exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y

发表于:2019-01-11 / 阅读(97) / 评论(0) 分类 英语新闻

DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also

发表于:2019-01-11 / 阅读(168) / 评论(0) 分类 2010年VOA慢速英语(七)月

Japanese Town Split by Radiation Evacuation Zone It is an extraordinary meeting of the Kawauchi village assembly. Because of severe damage to the village's municipal hall from the earthquake, the public gathering has been convened at a community cent

发表于:2019-01-13 / 阅读(85) / 评论(0) 分类 VOA标准英语2012年(三月)

Japan raised the severity of the Fukushima nuclear crisis from four to five on a seven-point scale of international nuclear events. Fears of radiation exposure has caused a run on salt products all across the region, including in China, where shopper

发表于:2019-01-14 / 阅读(104) / 评论(0) 分类 VOA标准英语2011年(三月)

the total solar eclipse is one kind of very unusual phenomenon, in that several minutes, the sky brightness will drop 1,000,000 times suddenly, the temperature can fall suddenly suddenly. Moreover the total solar eclipse time is longer, the temperatu

发表于:2019-01-17 / 阅读(82) / 评论(0) 分类 英语作文

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

发表于:2019-02-06 / 阅读(243) / 评论(0) 分类 英语新闻

A key Japanese adviser on radiation(放射 ) leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer

发表于:2019-02-06 / 阅读(92) / 评论(0) 分类 英语新闻

NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from(发源于) Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo

发表于:2019-02-07 / 阅读(92) / 评论(0) 分类 英语新闻

Public opinion polls suggest most Americans favor full body scanners as a way to protect against terror attacks on commercial airliners. The benefits of scanners are being debated in a number of countries. Some groups have raised privacy issues. But

发表于:2019-02-07 / 阅读(64) / 评论(0) 分类 VOA标准英语2010年(一月)

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(91) / 评论(0) 分类 英语新闻

Teetotal: 滴酒不沾 逢年过节、亲朋相聚,餐桌上自然免不了酒。如果您不胜酒力,倒真不如干脆一点,直接来句 我向来滴酒不沾。这句搪塞之辞,其相应的英文表达是:I am a teetotaler。关于te

发表于:2019-02-18 / 阅读(90) / 评论(0) 分类 英语口语
学英语单词
accommodation fee
adipoyl chloride
Amoben
anteally
anti-coaxial magnetron
antihydrogen
Aritao
arrogant
automatic gauge classifier
autonomic thermoregulation
Barrandeina
benzenesulfonates
Bojī
bonaire i.
bottle
capacitor braking
caudatolenticular
cell energetics
Celto-Roman
cenesthopathy
cheesed
congenital pit of optic disc
considered
de Robertis unit
debonder
deity
dhundi
drop-nose arch
evolution strategy
Extended System Configuration Data
field-coil flange
five-to-four
Fluorobutyrophenone
focal points of line congruence
forest-nursery
fresh graduate
freyre
Gadifer de La Salle
glyoxylate bypass
grafted rubber
haren
hybrid inductance matrix
inferior tarsus
ingoing
integral differential equation
Integrated Services LAN
inverse power repulsive potential
jacknives
Kluag, Aaran
lumber product
m.a
man of ability
maxillary ring
memory page
metal-anodicoxide
mobile digital computer
multicollinear
Munhoz
nonlibertarian
oculus simplex
one-piece set
orthothiazine
outer complement
outhandled
Partida, I.
phase to earth breakdown
philosciids
photoelectric transformation efficiency
photographic image processing
picture current
pin and string method
polished specimen
pot-shop
printer model
protruding
punched tape machine
quadruplexed
rapid developer
rarefied zone of wave
rejection line
resale price
scaphoid bone of hand
self arrow
sell-off date
sexual inversions
shapshka
snap pea
solid fabric
stock conversion
Swiss gold franc
terahs
terminal tentacle
theory of productive forces decide everything
thready rapid pulse
transparency finishing
ucdcs
upper knife
Viola hossei
voltage commutation
war injury of spine and spinal cord
washer-upper
X-ray test X