辐射传热

45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(376) / 评论(0) 分类 新概念优美背诵短文50篇

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(82) / 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(111) / 评论(0) 分类 VOA标准英语2010年(一月)

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(133) / 评论(0) 分类 英语小短文

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(213) / 评论(0) 分类 新东方背诵文选

Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. Cancer treatments usually involve powerful drugs or radiation. But

发表于:2018-12-16 / 阅读(104) / 评论(0) 分类 VOA标准英语2010年(十)月

Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. 科学家们正在利用一种古代技术来治疗癌症。在纳米

发表于:2018-12-19 / 阅读(87) / 评论(0) 分类 VOA双语新闻 2010年11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(100) / 评论(0) 分类 Scientific American(十)月

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-30 / 阅读(99) / 评论(0) 分类 考研背诵50篇

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(102) / 评论(0) 分类 2017年VOA慢速英语(四)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(172) / 评论(0) 分类 英语小短文

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(128) / 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(198) / 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(114) / 评论(0) 分类 VOA标准英语2012年(三月)

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(271) / 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(127) / 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(117) / 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(100) / 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(120) / 评论(0) 分类 英语新闻

The Source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-02-25 / 阅读(103) / 评论(0) 分类 双语有声阅读
学英语单词
affrightest
air-float separator
analog computation
anterior osseous semicircular canal
API (application programming interface)
Armigeres obturbans
attainable standard cost
back drop
basic internal operation of lathe
be operating under capacity
benzidion
biton marginata shiraki
blast-furnace dust
bone collar
carboxylic resin
chan-bahlum
chromatics
closed-cycle iodine laser
compensatory leave
cone passage
dead chert
Deb. spis.
decunted
delta-staphylolysin
depot reaction
disparaging
does
duellation
esotropias
exchange control risk
exhaust manifold gasket
fab-ms
family Bombycillidae
Fermi Yang model
ferrous ferricyanide
flame-proofing agent
flax shives
four-degree
G.I.B.
geschwinds
goldblums
Hall's sign
hydroelectrization
hyperaphia
hyperlipoprotememia
in the employment of
laconizing
lamellibranchea trochophora
liquid in glass thermograph
mbasogo
moment axis
moruya r.
multi-function sensor
multiple pattern
Nasitrema
neurodegenerating
nighttime population
nonsuperheated
norcurane
noxious wildlife
Olym
on a vast scale
open two-wire line
order zygnemaless
otoacoustic emission processor
pay raises
pecten pyxidatus
plastering machinery
plusbus
pop-ons
Posavina
postfixial
pressurizing pump
push brace
repeat point
Rhododendron fargesii
Sachsen
salpingooophoritis
salutatorium
Santa Elena
seamless transfer
sensationalizer
silicone enamel
singaround
single phase bridge rectifier
slight breeze
SNR - signal-to-noise ratio
spoon-shaped tooth
stinters
stirrable
Strauss, Johann
strenger
structural change(darlington 1929)
subjoin
submarine sandwiches
tetraclitella darwini
textilelike
to shift to a berth
turfdom
vector counter
ventilating flap