three-burn

The effects of the new catalyzing system consisting of traditional three way catalyst converter and adsorber-reduction catalyst converter on the emission characteristics and fuel economy of lean burn SI engine operated under different speeds and loads were investigated.

应用传统的三效催化器和稀燃NOx吸附还原催化器组成的新型复合尾气催化系统对稀燃发动机不同转速和负荷工况下的排放特性和燃油经济性的影响进行了实验研究。

Number three, cool the burn with either cool or lukewarm water.

第三，使用冷水或温水来冷却烧伤处。

All five － second grenade fuses will burn down in three seconds.

所有5秒的手榴弹引线都会在3秒内烧完.

All five-second grenade fusewill burn down in three seconds.

所有定制为五秒的手雷导火索都会在三秒内烧完.

In Tianhe's exercise area, the three astronauts can use a treadmill, spin bike and resistance bands to burn calories and practice strength training.

每天锻炼身体在“天和”核心舱的锻炼区，三位航天员可以使用跑步机、健身车以及阻力带等健身设备来消耗热量，并进行力量训练。

The results showed that putting three way catalyst before the NO_x adsorber catalyst is the best scheme of reducing NO_x emission in lean burn gasoline engine, and NO_x conversion efficiency reaches 97.3% in the experimental condition.

试验结果表明：三元催化转化器位于吸附还原催化转化器之前的布置方案具有最好的降低稀燃汽油机NOx排放的效果.在该试验条件下，NOx催化转化率最高可达到97.3%。

Repeated by the shrill voices of a thousand vendors, two or three stars began to burn among the crowd.

这一声叫喊，成千个小贩立刻以尖锐的声音响应着，这时，人群中已开始燃起了两三朵星火。

The rocket will Burn out of fuel in three days.

火箭将在三天内将燃料烧完.

A rocket stage designed to burn for three minutes before being jettisoned.

在现在的洋基里,这个舞台是为了火箭人表演而设立.

Reduction of NO_x Emission in Lean Burn Gasoline Engine Under Different Combination Schemes of NO_x Adsorber and Three Way Catalysts

用吸附还原与三元催化器组合降低富氧汽油机NO x的排放