1. The air-fuel ratio, smoke opacity and in-cylinder pressure of MWMTBD620 diesel engine under increasing power transient operating conditions were tested by a home-made control and measurement system.

2. In order to research start air-fuel ratio of hydrogen-fueled engine, the hydrogen injection quantity and air quantity were controlled.

3. The main influence factors of the speed and air-fuel ratio and the relation curves of the unit, the structure and PID algorithm of the system are described concretely.

4. Performance test consists of the air-fuel ratio scanning test and the initiation temperature test.

5. Influence of engine performance with ignition advance and air-fuel ratio was discussed and studied in detail.

6. The regulator holds a constant air-fuel ratio from cold start - up through hot air operation.

7. Control of engine ECU to air-fuel ratio is completed by control to injection mass.

7. try its best to collect and make good sentences.

8. The result shows that stratified scavenging reduces fuel loss during air exchange greatly lowing the fuel consumption rate and enlarging the air-fuel ratio range.

9. This article has analyzed the open flame non-oxidizing heating feature as well as the relations among the oxidation ratio of silicon steel strip, the heating speed the air-fuel ratio of the furnace.

10. The paper also introduces how to adjust the carburetor to get an ideal air-fuel ratio.

11. This paper gives an introduction about the design of an intelligent air-fuel ratio regulation subsystem based on DSP for low-caloric gas generators.

12. In this paper, problems in kiln roof, construction materials, residual heat and air-fuel ratio are described, and then suggestions are put forward for their solution.

13. 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 %.

14. In order to improve power performance, save energy, and reduce exhaust emission of the coal bed methane engine, the accuracy of air-fuel ratio must be improved.

15. For firing of the mixture in the cylinder every time spark occurs, the air-fuel ratio must lie in a fairly narrow range.

16. With the dedicated CNG control strategy and quality kits, the air-fuel ratio was well controlled in all CNG operating conditions.

17. The zirconium dioxide oxygen sensor with heater is equipped on shanghai BUICK to check the air-fuel ratio of the mixture.

18. Experimental results show that CAI combustion is notably influenced by residual gas fraction and air-fuel ratio.

19. The conclusions show that with the rise of the power increasing rate the air-fuel ratio decreased rapidly, the combustion start point delayed, the premixed combustion rate reduced.