根据数值计算和实验结果，面风速对潜热效率比显热效率的影响更为明显。
According to the results of numerical calculation and experiment, sensible effectiveness has been influenced more significantly than latent effectiveness by air face rate.
测定结果表明，这种燃烧器在额定负荷下的热效率比目前常用的燃烧器提高30—50%。
Test results have indicated that under rated load, the heat efficiency of the new burner is 30 ~ 50% higher than that of the ordinary ones.
用该红外搪瓷制成的搪瓷铸铁锅，其传热效率比不涂搪瓷的铸铁锅提高20%，且抗冲击韧性和耐温急变性分别达到0。
When it is used as coating of iron pan, the efficiency of heat transmission of enamel coated pan increases about 20 % than that of uncoated one.
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