1. Data communication for hvac application field net . protocols
  2. Data communication for hvac application field net . objects
  3. Minimum under - graduate degree , major in havc , water supply and drainage or engineering preferred
  4. Data communication for hvac application management net . building automation and control networking bacnet
  5. Data communication for hvac application management net - system neutral data transmission by open communication for building automation
  6. It's difficult to find havc in a sentence. 用havc造句挺難的
  7. Cold air distribution with ice storage for air - conditioning is a new technology to make balance of the electric supply and to reduce the running cost of system . this technology has been becoming the standard in havc in the world
  8. Zhejiang xinyu fittings co . , ltd is the manufacture specialized in producing and exporting the havc plumbing products , including the copper fittings , brass fittings , pex fittings , sprinkle heads , air - condition and refrigeration spare parts
    浙江諸暨主要產品系列為紫銅管件黃銅管件空調配件及制冷配件,公司通過iso9001 2000質量體系認證產品主要銷售國內并遠銷東南亞北美歐洲中東市場。
  9. Its realization ensures the network of auto test industrial scene , ist , havc , ia etc . these technologies shall change the original method of industrial measurement and realize also fault - diagnosis
    它們的實現為工業現場的自動化測量, ist (網絡傳感器技術) 、 hvac (家庭環境自動控制) 、 ia (信息家電) 、環境自動監測、智能小區管理等的internet化提供了技術保證,這些技術,將會改變傳統的工業測試方法、快速精密測量及故障診斷。
  10. Results of the research indicate that the system operation cost has been in a large measure reduced by utilizing the intelligent technology in the optimization of the direct - fired absorption chillers using water - lithium bromide as refrigerant . therefore , intelligent technology is practically of great use in hvac systems
  11. A new static hybrid layered voltage control model has been set up . in this way static layered management management and control of voltage are realized , the proposed static hybrid automatic voltage control ( havc ) system and the methods are proved to be effective by the results of computer simulation research done by wscc - 9 system in the paper
    最后,將混成控制系統的理念和方法引入電力系統靜態電壓控制的仿真研究,建立靜態混成自動電壓控制( havc )模型,實現系統的靜態電壓分層調節和控制。以wscc - 9節點系統為例進行計算機仿真研究驗證,證明了靜態混成自動電壓控制系統的有效性。
  12. However , because of the relatively short period of its domestic development , and limitations of its techniques , the operation cost of the units is quite high . as a result , the energy conservation and optimal control of direct - fired absorption chillers using waterlithium bromide as refrigerant becomes a hot topic in the research area of havc communities


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