R134A is an extremely common refrigerant
used in a wide range of refrigeration and air conditioning applications,
including medium and high temperature refrigeration (both domestic and
commercial), residential & light air conditioning, automotive air
conditioning and industrial applications such as centrifugal chillers. It is
also a common component in many HFC Refrigerant Blends and is used in some
propellant applications.
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An Internet domain name is a web address entered in a web browser when visiting a website, which is equivalent to the website number of the website on the Internet. Prior to the launch of the ".China" domain name, the Internet top-level domain name system only supported 37 characters including 26 English letters, hyphens and Arabic numerals 0 to 9. At the end of June 2008, the Internet Corporation for Assigned Names and Numbers passed a resolution allowing the use of other languages, including Chinese, as Internet top-level domain characters. ". China" was officially written into the global root domain name system in 2009. In addition to the traditional ".cn", ".com", ".net" and other English domain name suffixes, the Internet will appear ". China" and other non-English domain name suffixes.
The China Internet Network Information Center began research on pure Chinese domain names as early as 1998, and has solved problems such as the complexity of Chinese characters and the equivalent interoperability of Chinese and English characters. Since the English character "." and the Chinese period "." are completely equivalent, the netizens input "China Military Network. China" (Chinese period) or "China Military Network. China" (English characters) in the address bar with the same effect and can be accurate. Direct access to the Chinese military website.
Although mails with Chinese domain names as suffixes and mails with English domain names suffixes may be troublesome, and it has become a habit to use English domain names for decades, switching to Chinese domain names may not be easy to remember, but this has nothing to do with. China's "domain name rushing trend. As early as last year when the ".China" domain name was written into the global root domain name system, there was a phenomenon of squatting celebrity domain names. In order to maximize the protection of the rights of potential domain name registrants, the current Chinese domain name registration policy for users who apply for "Chinese.cn" can automatically obtain the corresponding "Chinese. China" traditional and simplified domain name, such as "chinamil.com.cn" will automatically Obtaining the Chinese domain name of "China Military Network. China" effectively prevented malicious cybersquatting.
Up to now, more than 90% of national ministries and commissions, provincial government agencies, more than 95% of news media websites, more than 90% of national 211 key universities, more than half of China's top 100 enterprises and more than 40% of China's top 500 enterprises have been successively Open the ".China" domain name.
According to Qi Lin, a spokesperson for the China Internet Network Information Center, it is expected that in July, billions of Chinese Internet users around the world will be able to access the Internet directly using simplified or traditional “. China†domain names in any corner of the world. Since the international application for the simplified and traditional “. China†domain name submitted by China Internet Network Information Center on behalf of China in April this year has been approved by the Internet Name and Number Assignment Authority, the “.China†domain name has entered the stage of technology deployment.