阅读下列短文,从每题所给的 A、B、C和D四个选项中,选出最佳选项。A Gas boilers, which are popular as a choice for heating our homes, are filled with problems. Lack of room-by-room control means you could be left cold and unhappy,meanwhile possibly polluting the environment with harmful gase...
Discover the energy efficient home improvement credit extended through 2034. Learn how to qualify for tax credits on renewable energy upgrades and energy efficiency improvements.
Read our boiler guide to find out everything you need to know about boilers. A comprehensive guide to combi, condensing and conventional boilers.
Gas boilers, which are popular as a choice for heating our homes, are filled with problems. Lack of room-by-room control means you could be left cold and unhappy, meanwhile possibly polluting the environment with harmful gases. The inefficiency of gas heaters could also cost you hundreds of ...
dampfüberhitzer for gas turbines and boilers, in which the combustion of the fuel luftgemisches under higher than atmospheric pressure is carried out.CIE. AKTIENGESELLSCHAFT BRONS, BOVERI
In comparison with conventional foamable compositions which may comprise, for example, benzyl butyl phthalate, diisobutyl phthalate, or glycol dibenzoates as plasticizers, foamability is also found to be better (e.g., lower foam densities). DETAILED DESCRIPTION OF THE INVENTION Some of the ...
A wall-hung gas boiler was innovatively proposed and designed in this paper. Water-cooling premixed combustion and enhanced condensation heat exchange tech... N Wang,S Deng,Z Wang,... - 《Thermal Science》 被引量: 0发表: 2023年 The Use of Condensing Boilers in Autonomous Heating Systems Con...
发明人: 西澤 透 摘要: PROBLEM TO BE SOLVED: To determine deterioration of NOx occlusion catalytic device accompanying regeneration of an exhaust filter correcting particles in exhaust gas and to appropriately correct NOx reduction in the NOx occlusion catalytic device.收藏...
The invention relates to a process for the production of vinyl chloride by thermal cracking, in which the energy balance, the operating time of the cracking furnace and/or the yield of the reaction are distinctly enhanced in comparison with the prior art. A pressure of from 1.4 to 2.5 MPa ...
A safety device for the fuel supply of gas-fired boilers, in which several pulses act on a control element273,654. Singer Manufacturing Co., (Assignees of Eames, G. M., and Webb, 1. F.). July 2, 1926, [Convention date]. Benches, work.-A bench or power table for sewing machines...