1,Steam heating system:proposal with 4000Kg / Hr of a steam boiler. Pressure:1.25Mpa steam pipeline. 2,Air compressed machine,air pipeline,glue conveying pipe. 3,Power supply,wires connected to the operation panel and line pipe. 4,W...
2. Air conditioner system with cold and heat source unity, no boiler room needed, more suitable for simultaneous heating and cooling needs of users. 3. Install it outdoor, do not need refrigerator room, eliminating the need for refrigeration room, saving construction ...
16,17. In simplified terms, ageing is associated with a dysfunctional adaptive immune system that is characterized by immunosenescence and thymic involution along with inappropriate activation of innate immune genes such as IL-67,16,18,19
Keywords: lifespan optimization; optimal replacement; circular economy; efficiency degradation; energy efficiency; learning curve; residential heating system; gas boiler; lifespan profile; environmental assessment1. Introduction The concept of circular economy (CE) is experiencing increased attention [1] and...