The influence of the number of blades on the affinity law of impeller trim for the centrifugal oil pump is obtained.

得到了叶片数对离心油泵叶轮切割定律的影响规律性。

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Because the beam was powerful enough to drill holes in razor blades, physicists measured its power in gillettes, or the number of blades penetrated.

由于激光光束的能量强大到足以在刀片上钻洞，物理学家使用穿透刀片的数量作为激光能量的计量单位。

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The effect of the number of blades on the head exponent is the largest, on flow rate exponent is lager and on power, efficiency exponents are minimal.

叶片数对扬程切割指数的影响最大，对流量切割指数影响较小，对轴功率和效率切割指数影响最小。

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Mark Nicholls, the founder and chief executive of Sportexe, the number two maker of artificial turf in the NFL, has patented the process of "tufting" fiber optics with blades of plastic grass.

FORBES: Magazine Article

This technology will be available soon, making its grand entrance as a National Football League field in the U.S. Mark Nicholls, the founder and chief executive of Sportexe, the number two maker of artificial turf in the NFL, has patented the process of "tufting" fiber optics with blades of plastic grass.

FORBES: Magazine Article