Five fire danger ratings of fuel types were classified on the basis of initial ignition moisture.
以各可燃物类型的初始引燃含水率为基准，将各可燃物类型的火险等级划分为五级。
Based on the field ignition experiment, the initial ignition moisture of different fuel type was obtained.
通过野外点火试验测定了各可燃物类型的初始引燃含水率。
The research indicated that the design modification had been utilized to solve the ignition delay, the ignition failure under low temperature etc ever occurred in the initial design completely.
研究结果表明，基于单项点火试验所做的设计改进，解决了发动机研制初期遇到的点火延迟、低温点火失效等问题。
The pulverized coal-air flow ignition limit is mainly influenced by such parameters as initial temperature, ignition source temperature, coal rank and the fineness of the pulverized coal.
煤粉气流的着火界限主要受初始温度、点火源温度、煤种和煤粉细度的影响；
When worked in non-knock conditions, the most optimum spark angle is the adder of the initial spark angle, the basic ignition angle and the amendment spark angle.
发动机在非爆震区域工况下，其最佳点火提前角为初始点火提前角、基本点火提前角和修正点火提前角之和。
The initial temperature of pyrolysis of Heshan coal was decreased and the ignition temperature was lowered.
油页岩的加入使得高硫煤低温段的燃烧产物初析温度降低，着火温度提前；
The changes of the compression ratio, equivalence ratio, and initial temperature will bring on distinct change of the ignition of combustion.
而压缩比，燃空当量比，进气温度的变化会引起燃料着火时刻的显著变化。
The changes of the compression ratio, equivalence ratio, and initial temperature will bring on distinct change of the ignition of combustion.
而压缩比，燃空当量比，进气温度的变化会引起燃料着火时刻的显著变化。
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