单词:Planck's radiation formula
单词:Planck's radiation formula 相关文章
A significant focus at this year's F1 event in Shanghai is being directed at Chinese driver Ma Qinghua, the first-ever Chinese-born driver on the F1 circuit. Ma completed his home debut at the bottom of the first practice session this afternoon. CRI'
This is Scientific American's 60 Seconds Science. I'm Steve Mirsky. Got a minute? In 1900 legendary physicist Max Planck described the way energy gets dissipated from any nonreflective object, called a blackbody. But even Max said if something else i
BUENOS AIRES, March 15 (Xinhua) -- The route for the Formula One Argentine Grand Prix, to be held on 2013, 2014 and 2015 by the South American country in Mar del Plata city, at 400 kilometers south of Buenos Aires, was published in a local auto racin
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
By Tendai Maphosa London 19 July 2007 Lewis Hamilton is only 22 years old and is already making sports history as the first Black driver in Formula One racing, but in his rookie year he is also setting records that may take some time to beat. Tendai
By Lisa McAdams Kiev, Ukraine 20 April 2006 VOA Correspondent Lisa McAdams at the prohibiton zone near the Chernobyl nuclear power plant A recent United Nations report about the world's worst nuclear
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
LOURDES GARCIA-NAVARRO, HOST: Now to Garden City, Kan., which doesn't fit the stereotype of a small, Midwestern city. It is isolated and rural. But it's also economically thriving and culturally diverse. Decades ago, Garden City embraced the meatpack
China's infant milk powder sector is set to undergo a major reshuffle in the new year when tougher new industry regulations take effect. Tomorrow will see, what many call the tightest rules ever launched by China, come into force. Under the new rules
The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit
As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get increasingly close to the Earth's surface. As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get
In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati
Blockson's computer model reveals that at the South Atlantic Anomaly, the magnetic field isn't just weaker than anywhere else on the planet. It's actually reversed polarity. There is a patch on the core in the South Atlantic where things are not poin
RIO DE JANEIRO, Nov. 10 (Xinhua) -- Rio de Janeiro mayor Eduardo Paes is reportedly preparing a bold proposal to bring Formula 1 to the Brazilian city. Paes is seeking talks with Formula 1 CEO Bernie Ecclestone about the prospect of making Rio Brazil
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
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
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
BEIJING, March 3 (Xinhua) -- Chinese lawmakers and political advisors have urged the government to restructure the country's food supervisory system to regain customer confidence as Hong Kong's newly-adopted purchase ban on baby formula refueled the
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
Modern Geiger counters don't click. As is the case with so many other devices, they have gone digital. At least that is true for the high-tech Japanese Geiger counters here. But they still measure radiation(放射) exposure in the quaint-sounding