When.com Web Search

  1. Ads

    related to: dx geothermal heat pump manufacturers in china stock exchange chart

Search results

  1. Results From The WOW.Com Content Network
  2. Direct exchange geothermal heat pump - Wikipedia

    en.wikipedia.org/wiki/Direct_exchange_geothermal...

    DX system being drilled in the 1980s. A direct exchange (DX) geothermal heat pump is a type of ground source heat pump in which refrigerant circulates through copper tubing placed in the ground unlike other ground source heat pumps where refrigerant is restricted to the heat pump itself with a secondary loop in the ground filled with a mixture of water and anti-freeze.

  3. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    The direct exchange geothermal heat pump (DX) is the oldest type of geothermal heat pump technology where the refrigerant itself is passed through the ground loop. Developed during the 1980s, this approach faced issues with the refrigerant and oil management system, especially after the ban of CFC refrigerants in 1989 and DX systems now are ...

  4. List of companies listed on the Shenzhen Stock Exchange

    en.wikipedia.org/wiki/List_of_companies_listed...

    This is a list of companies on the Shenzhen Stock Exchange up to 2011, along with their capital, industry, and listing date. Many of these are subsidiaries of state ...

  5. Geothermal heating - Wikipedia

    en.wikipedia.org/wiki/Geothermal_heating

    That heat can be extracted with a geothermal heat pump more efficiently than it can be generated by conventional furnaces. [10] Geothermal heat pumps are economically viable essentially anywhere in the world. In theory, geothermal energy (usually cooling) can also be extracted from existing infrastructure, such as municipal water pipes. [14]

  6. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    Specifically, the heat pump transfers thermal energy using a heat pump and refrigeration cycle, cooling the cool space and warming the warm space. [1] In winter a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house to the warmer outdoors in summer.

  7. Geothermal power in China - Wikipedia

    en.wikipedia.org/wiki/Geothermal_power_in_China

    The data of Zheng et al. (2005) show that for the whole of China the installed capacity has risen to 3,687 MWt with an annual energy use of 45,373 TJ/yr (including 15 heat pump units ranging from 220 to 760-kW in capacity operating at an equivalent 2,880 full-load hours annually), from the 2000 (Lund and Freeston, 2001) figures of 2,282 MWt and ...

  8. Category : Companies listed on the Shanghai Stock Exchange

    en.wikipedia.org/wiki/Category:Companies_listed...

    S. SAIC Motor; Sanan Optoelectronics; Seres Group; SG Automotive; Shanghai Airport Authority; Shanghai Electric; Shanghai International Port Group; Shanghai Oriental Pearl Media

  9. List of Asian stock exchanges - Wikipedia

    en.wikipedia.org/wiki/List_of_Asian_stock_exchanges

    Kazakhstan Stock Exchange: Almaty: 1993 127 KASE: Astana International Exchange Astana: 2018 25 AIX: Nasdaq Matching Engine [3] AIXK Kyrgyzstan: Kyrgyz Stock Exchange (KSE) Bishkek: 1994 KSE: Stock Exchange of Kyrgyzstan (BTS) Bishkek: 1999 BTS Tajikistan: Central Asian Stock Exchange Dushanbe: 2015 CASE Turkmenistan

  1. Ads

    related to: dx geothermal heat pump manufacturers in china stock exchange chart