化学辐射

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(97) / 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(130) / 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(108) / 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(126) / 评论(0) 分类 Scientific American(十)月

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(116) / 评论(0) 分类 2017年VOA慢速英语(四)月

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(156) / 评论(0) 分类 2014年VOA慢速英语(八)月

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(150) / 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(232) / 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(125) / 评论(0) 分类 VOA标准英语2012年(三月)

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(143) / 评论(0) 分类 VOA标准英语2010年(八)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(152) / 评论(0) 分类 VOA标准英语2011年(三月)

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(169) / 评论(0) 分类 2016年Scientific American(十)月

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(134) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(148) / 评论(0) 分类 2007年VOA常速英语(十月)

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(283) / 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(143) / 评论(0) 分类 英语新闻

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(123) / 评论(0) 分类 VOA标准英语2008年(十月)

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(126) / 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(115) / 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(137) / 评论(0) 分类 英语新闻
学英语单词
A burnt child dreads the fire
accident-protected recorder
accompted
annular aperture
artificial neural nets
Autosensitivity
averaging time
Bacillus muscoides
bacteria domain
bagged cargo
Bender Cassim
blepharicerids
bujts
butt treatment
cancer of gravid uterus
captain
center-of-pressure travel
cherke-cole
ciliatology
clanobutin
closed model
component of a vector
concrete road paver
contemnible
continuity management
coronial
cream-based
Cretacious
D-ribose
daisy world model
distilled medicinal water
Dominion Range
Elbow R.
embolic necrosis
exogenous growth
food insecure
fusion-power
gas-filled thermometer
genus paranthiass
Gopherus agassizii
greenhouse warmings
Grushevka
helen mirren
Hesiodic
hidden-line removal
hoeft
imbricative
inlet entry
JRCITT
khata
La Virgen, Cerro
lean green
ledienoside
left luggage room
lilac-blue
lxivver
maid of all work
mandibular bones
maximum outside diameter of gear cut
megakaryocytopoiesis
minimum pause
Mpumalanga Prov.
multi-purpose fuel reprocessing facility
non-alcoholics
non-systematic part
number of bits per sample
osanna
ovipositing
Paarlan
partial methods
percivals
polished die
polychroma
preternatural anus
reconditioned carrier reception
retinopathy of toxemia pregnancy
Rhododendron comisteum
rod chromosome
salt bath brazing
scoring out
second-level structure
stacked arry
statistical databases
subjectoscope
subtropical high belt
sudoriceratosis
sumario
system expansion
tantalum rectifier
tessellated epithelium
time diffusion technique
touch-panel switch
trichostrongyles
trussed
turn up for the book
unbunged
value of coalition
Verm.
video tape format
waste water pump
William Tindale
Yahvist