Numerical results show that the acoustic radiation power of the plate is effectively reduced by the optimized additive mass loading.
数值算例表明,优化后的附加质量载荷有效降低了薄板声辐射功率。
In this paper, the additive mass technique is also proposed for correcting the truncation error of higher order modes without using the residual compliance matrix.
本文还提出了一种附加质量法来修正高阶模态的截尾误差而不采用剩余柔度矩阵,从而使本法能简易地获得高精度。
The sign reversal applies only to quantum numbers (properties) which are additive, such as charge, and not to mass, for example.
举例来说正负号只适用于附加量子数,例如电荷,而不是质量。
Effects of temperature, mass ratio of toluene ton-hexane especially additive on extractive capability of sulfolane before and after partial degradation were investigated.
采用气相色谱法测定环丁砜对甲苯的抽提能力,通过改变温度、甲苯与正己烷的质量比等实验条件,研究了添加剂对环丁砜劣化前后甲苯抽提能力的影响。
A new approach of the reducing shedding of positive active mass of lead-acid battery has been studied by adding the composite-additive in the positive plates.
本文研究了复合添加剂对铅蓄电池正极活性物质软化脱落和容量的影响。
The additive comprises alkali metal nitrates and hydroxides of aluminum in the mass percent of 1:0.5-3.
添加剂中包含碱金属硝酸盐和铝的氢氧化物,且碱金属硝酸盐与铝的氢氧化物质量百分比为1∶0.5 ~ 3。
The additive comprises alkali metal nitrates and hydroxides of aluminum in the mass percent of 1:0.5-3.
添加剂中包含碱金属硝酸盐和铝的氢氧化物,且碱金属硝酸盐与铝的氢氧化物质量百分比为1∶0.5 ~ 3。
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