通过营养液培养试验，研究了硼对不同硼效率甘蓝型油菜品种叶片6 -磷酸葡萄糖脱氢酶(G - 6 - PD Hase)活性和可溶性糖含量的影响。
By solution culture, the effects of boron b on Glucose-6-phosphate dehydrogenase G-6-PDHase activity and the soluble sugar in leaves of rape cultivars Brassica napus l.
为了提高立方氮化硼超硬材料的抛光效率，采用计算机仿真技术开发了曲柄摇杆抛光机构。
To raise the polishing efficiency of Cubic boron nitride (CBN) superhard material, crank rocker arm mechanism has been developed by using Computer Simulation Technology.
介绍了硼的物理化学特性和燃烧机理，硼的点火延迟期长、燃烧效率低是由其本身的特性所决定的。
Physicochemical properties and combustion mechanism of boron are introduced. Long ignition delay time and low combustion efficiency are due to the properties of boron itself.
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