Stoichiometric air fuel ratios of automotive fuels 汽车燃料的化学计算空气燃料比
Some fossil fuels , however , are less damaging than coal 然而,一些矿物燃料比煤的污染要小。
First , the recycled fuel is more expensive than the original uranium 首先,再循环使用的燃料比原来的铀更贵。
Ar air regulators in multiple burner systems , hold constant air - fuel ratio and the mixture pressure with reducing burner port area of up to 90 % Ar空气调节阀用于多炉头系统,保持恒定的空气燃料比和混合气压力。
Georgia went through the worst inflation in 1994 . in 1993 , the highest denomination was 100 , 000 laris . by 1994 , the highest denomination was 1 , 000 , 000 laris . in the 1995 currency reform , 1 new lari was exchanged for 1 , 000 , 000 laris 德国在1923年至1924年间的恶性通货膨胀的写照:一名德国女子以钞票代替木柴作为壁炉用的燃料,因为在事实上,当时直接以钞票作为壁炉燃料比使用木柴来得更加划算。
Ruburning with coal has been proved a effective low nox emission combustion technology 。 in this ph . d thesis , the reaction mechanisms of reburning have been investigated , and the homogeneous and heterogeneous reduction of nox have been analyzed in details . a series of reburning experiments have been carried out on an entrained - flow reactor , in which two kinds of coals with different particle sizes have been used 本文对煤粉再燃过程中,挥发分及煤焦的基元反应途径和反应机理进行了详细分析;在携带炉实验台上进行了神华煤、邢台煤在1200与1300 、四种煤粉细度、三种再燃燃料比和三种再燃区初始氧量,共144个实验工况下的再燃实验。
Abstract : the air / fuel ratio control scheme in common use of boiler auto - burning system is introduced summary . two kinds of scheme improved to obtain the best air / fuel ratio and to raise dynamic characteristic are analyzed in particular . further how to correct measures on air / fuel ratio when changing boiler load and fuel composition is proposed and analyzed 文摘:对锅炉自动燃烧系统中空气/燃料比控制的常用方案进行了简要介绍,着重分析了两种为获取最佳空气/燃料比和提高控制系统动态特性而采取的改进方案,并针对锅炉负荷变化和燃料特性改变对燃烧状况的影响,进一步对空气/燃料比的修正措施进行了分析与探讨,提出了综合修正方案。