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The formula of bending stiffness of single-walled carbon nantubes (SWCN) has been derived via molecular mechanics based on analysing the special structure of SWNT, and the value calculated from this formula is in excellent agreement with effective bending
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摘要通过对单壁碳纳米管的独特结构的仔细分析，运用分子力学方法，得到了单壁碳纳米管抗弯刚度的计算公式，其结果与目前公认的单壁碳纳米管的有效抗弯刚度吻合得很好。 |
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The formula of foam cement is our proprietary which can make the foam cement light weighted, uniform, deposit less, etc. After concreting, it will be in much higher solidity.
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独特的水泥发泡配方，凝固后具有较高的硬度和抗压性能，并且质的均匀、质轻、无沉淀等。 |
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The formula of grinding force is derived by means of orthogonal regressing.
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磨削力信号是一种平稳的周期振动信号。 |
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The formula of selection index and mating combination were mainly made by two characters, daily gain and backfat, and inbreeding coefficient of offsprings, respectively.
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其选择指数公式的确立主要依据日增重，背膘厚这两个主选性状，选配计划的制订主要根据后代近交系数。 |
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The formula shows that the deflect degree first increases, then decreases, and its maximum increases while the compress rate decreases.
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分析表明，斜交桥下的水流流向偏转角度随斜交角度的增大先增大后减小，其极大值随压缩比的减小而增大。 |
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The formula specially designed for men works to release toxic heat, prevent blackhead growth, thin pore, and clean skin.
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特别为男士设计的专用配方，能清除热毒，防止黑头生成，幼细毛孔，使肌肤光洁润泽，充满魅力。 |
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The formula, published in today's issue of the journal Nature, explains how the tiny bubbles that make up foam grow.
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这个公式发表在4月26日的《自然》上，揭示究竟多大的水泡可以形成泡沫现象。 |
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The formulae for calculating coefficients of performance (COP) of metal hydride heat pumps (MHHP) for temperature upgrading are proposed after considering practical factors such as heat transfer of metal hydride bed and sensible heat exchange, which provi
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摘要考虑到金属氢化物床的传热和换热器间显热回收等实际因素，提出了升温型金属氢化物热泵性能系数计算公式，为合理选择金属氢化物对，以及调整热泵的各种工艺参数提供了理论依据。 |
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The formulae for calculating the bend radius of neutral plane and the decrement of bend angle after springback were derived by considering the deformation after unloading.
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依据卸载变形的分析计算，推导出回弹后中性层弯曲半径及弯曲角变化量的计算公式。 |
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The formulae for input impedance, output impedance and main magnetic flux are derived. The influence of resistance, induction and voltage ration to output impedance of transformer are discussed.
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摘要导出了变压器输入阻抗、输出阻抗、主磁通的计算公式，讨论了电阻、电感以及变比对变压器输出阻抗的影响。 |
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The formulae of the pollution harm rate and the pollution harm index suited to multi-pollutants for the water quality assessment are derived by using the genetic algorithm to optimize the parameters in the formulae.
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采用遗传算法优化公式中的参数，得到了多种水质污染物都能适用的水质污染损害率和污染损害指数公式。 |
