answer stringlengths 1 239 ⌀ | question stringlengths 1 25.7k |
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it has the highest thermal conductivity of any gas | Why is it used as the rotor coolant? |
cryogenic | What research uses liquid H2? |
as a tracer gas for minute leak detection | Why would one use hydrogen mixed with nitrogen? |
automotive, chemical, power generation, aerospace, and telecommunications | What industries can you find these applications? |
allows food package leak testing | How is hydrogen used as a food additive? |
Deuterium | What isotope is used in nuclear fission? |
nuclear reactors | Where is tritium produced? |
production of hydrogen bombs, as an isotopic label in the biosciences, and as a radiation source in luminous paints | What is tritium used for? |
as a coolant in generators | How is hydrogen used at power stations? |
favorable properties that are a direct result of its light diatomic molecules | Why is it used as a coolant? |
low density, low viscosity, and the highest specific heat and thermal conductivity of all gases | What are these properties? |
not | Is Hydrogen considered an energy resource? |
nuclear fusion of hydrogen | Where does the sun get its energy from? |
energy carrier | How does hydrogen function when it s burned? |
elemental | What form of hydrogen has been discussed as a ussage for fuel? |
to saturate broken ("dangling") bonds of amorphous silicon and amorphous carbon that helps stabilizing material properties | Why is hydrogen employed? |
a potential electron donor | How is hydrogen used in oxide materials? |
ZnO, SnO2, CdO, MgO, ZrO2, HfO2, La2O3, Y2O3, TiO2, SrTiO3, LaAlO3, SiO2, Al2O3, ZrSiO4, HfSiO4, and SrZrO3 | What oxide materials use hydrogen as an electron donor? |
hydrogenases | What enzymes are used to produce H2? |
in the transfer of reducing equivalents produced during pyruvate fermentation to water | When does hydrogen gas occur? |
hydrogen cycle | What is the natural cycle of hydrogen production and consumption by organisms called? |
Water splitting | What is the decomposition of water into its components called? |
in the light reactions in all photosynthetic organisms | Where does water splitting occur? |
alga Chlamydomonas reinhardtii and cyanobacteria | What organisms can form H2 gas? |
by specialized hydrogenases in the chloroplast | How are these gases formed? |
potential detonations and fires when mixed with air to being an asphyxiant in its pure, oxygen-free form | What threats can hydrogen cause to human saftey? |
cracks and explosions | What can hydrogen embrittlement lead to? |
the parahydrogen/orthohydrogen ratio | What do physical and chemical properties of hydrogen depend on? |
days or weeks | How long can it take to reach the equilibrium ratio? |
container geometry | What do Hydrogen detonation parameters depend on? |
browser | What do people typically call a web browser? |
World Wide Web | What platform is a browser used on? |
Uniform Resource Identifier | What does URL mean? |
Hyperlinks | What allows a person to direct their browser to a resource? |
the World Wide Web | The primary function of a browser is to use what? |
private networks | In addition to accessing the Internet, browsers can also access info that is put there by web servers in what? |
file systems | A browser can also access files where? |
1990 | When was the first browser created? |
Sir Tim Berners-Lee | Who invented the first browser? |
the World Wide Web Consortium | What was Berners-Lee a director of? |
World Wide Web Foundation | What organization did Berners-Lee create? |
Marc Andreessen | Who released Mosaic? |
1993 | When was Mosaic released? |
Netscape | When Andreessen left the company he worked for, what new company did he start? |
Netscape Navigator | What browser did Andreessen release in 1994? |
Microsoft | Who released the Internet Explorer browser? |
1995 | When did Microsoft release Internet Explorer? |
browser war | The release of Internet Explorer started the first what? |
Windows | What was bundled with Internet Explorer? |
1996 | Opera was introduced in what year? |
Opera-mini version | What accounted for 1.1% of browser use in April 2011? |
mobile phone web browser | Opera focused on which quickly growing market? |
Nintendo's Wii | Opera is also available on which video game console? |
Mozilla Foundation | What did Netscape launch in 1998? |
open source software model | Netscape wanted to have a competitive browser using what? |
Firefox | What was the resulting browser for the Mozilla Foundation? |
late 2004 | When was Firefox released? |
January 2003 | When was the first beta release for Safari? |
Apple | Who created Safari? |
Chrome | Which browser is the newest to enter the field? |
September 2008 | When was Chrome released? |
Internet Explorer | As Chrome usage increases, which browser usage has continued to decrease? |
May 2012 | When did Chrome become more used than all versions of Internet Explorer? |
Internet Explorer | What was bundled for free with the Windows OS? |
sales of Windows to computer manufacturers and direct to users | Internet Explorer was partially funded in what two ways? |
Mac | What other OS could use Internet Explorer? |
the European Commission | Who investigated the bundling of the IE browser with Windows OS? |
January 2009 | When did the European Commission say they would investigate the bundling? |
competition between web browsers | The Commission felt that bundling the browser with Windows computers harmed what? |
product innovation | The Commission felt that the bundling undermined what? |
Safari | What browser was automatically included with OS X? |
Google | Which company pays Firefox to make their search engine the default on their browser? |
Chrome | What other browser has Google as the default search engine? |
Google Chrome | The increased revenue funds what, in addition to Google? |
to bring information resources to the user | What is the main use of a browser? |
Uniform Resource Locator | What does URL stand for? |
The prefix of the URL | What is the determining factor in how a URL will be interpreted? |
Hypertext Transfer Protocol | What does http stand for? |
File Transfer Protocol | What does ftp stand for? |
default newsgroup reader | A news: prefix is given to the user's what? |
rendering | What is it called when content is changed from markup to an interactive document? |
Flash applications and Java applets | Browsers typically have plug-ins to support what? |
hyperlinks | What can resources have to connect to other resources? |
rich user interfaces | Features on a browser can range from minimal with little support to what? |
Internet suites | When a browser includes a lot of extras, it can be referred to as what? |
Internet Relay Chat | What does IRC stand for? |
pop-up blockers | What does not allow windows to pop up without consent? |
browser extension | A computer program that continues the functionality of a browser is called what? |
bookmarked | A list of websites a user can click to get back to easy have been what by the user? |
Favorites | What are "bookmarks" called in Internet Explorer? |
feed aggregator | The top browsers have a built-in what? |
live bookmarks | Firefox does web feeds as what? |
traditional | The Opera feed reader is more what? |
Most browsers | HTTP Secure is supported by what? |
form and search history | Cache, download history, cookies, browsing and what else can be quickly deleted in browsers? |
current security vulnerabilities | A comparison of browser must be seen to know what? |
proprietary web browsers | Quick development of what kind of browsers led to non-standard HTML dialects? |
problems with interoperability | Non-standard dialects led to what? |
HTML and XHTML | Modern browser support standards-based and defacto what? |
rendered in the same way | HTML and XHTML should be what by all browsers? |
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