1) light-off temperature
起燃温度
1.
Under simulated exhaust conditions,the catalytic activity is evaluated by using the light-off temperature(the temperature of 50% conversion simplified as T_(50)) and the temperature of 90% conversion(T_(90)) for the three pollutants CO、HC and NO_x.
在模拟条件下,以起燃温度和气体转化效率90%时的温度为评价指标测定HC、CO及NOx的三效催化活性。
2.
La_(1-x)Ce_xFe_(1-y-n)Co_yRu_nO_3 were prepared by the sol-gel method to study the catalytic activity and evaluated by using the light-off temperature (the temperature of 50% conversion simplified as T_(50)) and the temperature of 90% conversion (T_(90)) under simulated exhaust conditions for the three pollutants CO? HC and NO_X.
为研究Ru改性的铁基钙钛矿体系的催化性能,用溶胶-凝胶法分别制备了不同x、y、n值的La1-xCexFe1-y-nCoyRunO3系列化合物,在模拟条件下,以起燃温度和气体转化效率为90%时的温度为评价指标测定了HC、CO及NOX的三效催化活性。
3.
The results showed that the catalysts containing Ce xZr 1-xO 2 solid solutions have higher conversion as well as lower light-off temperature compared with that containing pure CeO 2.
4 O2 催化剂性能最佳 ,HC、CO、NO的转化率在A/F =14 6时分别为 97 33%、89 5 2 %、10 0 %;新鲜催化剂的起燃温度分别为 186、180、185℃ ,高温处理后起燃温度分别为 2 49、2 41、2 46℃。
2) ignition temperature
起燃温度
1.
Influence of Ce rare-earth on ignition temperature of magnesium alloy;
富铈稀土对镁合金起燃温度的影响
2.
1,the catalyst had the best catalytic activity whose onset ignition temperature was 325 ℃.
6H2O物质的量的增大,其催化活性有些减弱,碳烟起燃温度升高。
3.
The catalyst contained in such device should lower down soot ignition temperature to the values characteristic of diesel exhaust (180～350 ℃).
研究发现 ,以Sn为活性组分的催化剂能显著降低颗粒的起燃温度和扩大燃烧温度范围 ,Cu、K、V的添加能进一步降低起燃温度 ,而燃烧温度范围却稍有所变窄 。
3) a catalyst with low light-off temperature
低起燃温度催化剂
1.
It may effectively reduce the HC emissions to use a catalyst with low light-off temperature, close-coupled catalyst, HC traps, second air injection and electrically heated catalyst.
采用如低起燃温度催化剂、密耦催化剂、HC捕集器、二次空气注入和电加热催化剂等在内的排气后处理技术,可以有效地减少污染物尤其是HC的排放。
4) initial temperature
起始温度
1.
This paper proposes that the initial temperature T i of gear is rising gradually during laser scanning tooth by tooth.
提出了齿轮激光淬火逐齿扫描时每个轮齿的“起始温度Ti”的渐变性。
2.
The impact of the initial temperature on the measurement results was also discussed.
文章通过依据不同标准所规定的测试方法进行塑料热变形温度(HDT)测量,找出测量结果之间的规律;同时研究了测量热变形温度过程中使用的硅油的黏度对测量结果的影响,提出更换硅油频率的建议;还探讨了测量起始温度对测量结果的影响。
5) incipience temperature
起沸温度
1.
In contrast to typical thermosyphon,thermosyphon filled with a nano-particle suspension had adversely high boiling incipience temperature,temperature excursion,and thermal resistance.
以碳纳米管悬浮液为工质的重力热管的起沸温度、温度漂移及蒸发段管壁温度比水工质热管的高,热管的热阻增大,换热性能恶化。
6) onset temperature
起振温度
1.
For example,according to the range analysis and variance analysis,the sensitive factors to the onset temperature at the hot end of the first stage stack were the charging pressure,the heating power of the traveling-wave stage and the heating power of the standing-wave stage in sequence.
为了研究级联型热声发动机级间运行参数组合方式对系统性能的影响,采用综合的正交试验法,以驻波级回热器热端的起振温度为例,通过正交试验极差分析和方差分析得知充气压力是最敏感的影响因素,其次是行波级的加热功率,再次是驻波级加热功率。
2.
A miniature thermoacoustic prime mover was built up,and the experiments had been done to observe the influence of structural and operating parameters on the sound amplitude,resonance frequency and onset temperature of the system.
制作了1台微型热声驱动器的实验模型机,着重研究结构与操作参数对系统的声波幅值、谐振频率和起振温度等性能参数的影响情况。
补充资料：引燃温度
分子式：
CAS号：
性质：又称自燃点和自燃温度。在规定条件下，可燃物质不需外来火源即发生燃烧的最低温度。中国规定气体、蒸气危险物质按引燃温度分为6组：引燃温度T>450℃为T1组、300℃<T≤450℃为T2组、200℃<T≤300℃为T3组、135℃<T≤200℃为T4组、100℃<T≤135℃为T5组。85℃<T≤100℃为T6组。粉体、纤维危险物质按引燃温度分为3组：引燃温度T>270℃为Tll组、200℃<T≤270℃为T12组、140℃<T≤200℃为T13组。
CAS号：
性质：又称自燃点和自燃温度。在规定条件下，可燃物质不需外来火源即发生燃烧的最低温度。中国规定气体、蒸气危险物质按引燃温度分为6组：引燃温度T>450℃为T1组、300℃<T≤450℃为T2组、200℃<T≤300℃为T3组、135℃<T≤200℃为T4组、100℃<T≤135℃为T5组。85℃<T≤100℃为T6组。粉体、纤维危险物质按引燃温度分为3组：引燃温度T>270℃为Tll组、200℃<T≤270℃为T12组、140℃<T≤200℃为T13组。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条