1) conversion formula
换算公式
1.
Through optimizing the related parameters by modified simplex method, an optimizing conversion formula between hardness and strength for steels has been obtained, and the accurate conversion formula can be described as: σb=208.
运用改进单纯形法,通过调整有关参数,对钢的硬度与强度换算公式进行优化设计,得到换算精度更高的换算公式:σb=208。
2.
In order to test the γ shielding effect of PET special working-boxes to 18F,the conversion formula using calculate formula of γ point-source absorbed dose rate and substitute 137Cs for 18F is deduced.
为了检验PET专用工作箱对18Fγ射线的屏蔽效果,采用γ点源吸收剂量率的计算公式,并以137Cs替代18F,推导出一个换算公式。
2) conversion equation
换算公式
1.
Derivations have been made with the least square method to have the conversion equation regressed,thus converting the ind.
本文利用最小二乘法进行推导计算 ,回归了换算公式 ,把图纸上的独立坐标换算成 BJS- 5 4坐标 ,支持了 GPS的施工导航。
2.
According to the data of a model pumping station, the present equation is compared with other conversion equations, and its applicability is verified.
结合大型斜式轴流泵站水力模型临界淹没深度试验研究 ,就泵站进水口临界淹没深度相似准则进行探讨 ,提出了泵站进水口临界淹没深度换算公式 。
3) conversion equation
转换公式,换算公式
4) unit conversion expression
单位换算公式
5) conversion formula of moment
弯矩换算公式
6) axle loads conversion formula
轴载换算公式
1.
According to the equivalence principle of surface deflection,tensile stress at the bottom of base,subgrade vertical strain and rut depth,the axle load exponents of axle loads conversion formula are calculated respectively.
综合了国内外有关轴重换算的研究资料,分别以路表弯沉等效、基层底部拉应力等效、土基顶面压应变等效及车辙等效为原则,对轴载换算公式中的轴荷指数进行了计算比较,在此基础上提出了合理的轴荷指数。
补充资料:布氏/洛氏硬度换算表
布氏硬度 | 洛氏硬度 | 抗拉强度 | 布氏硬度 | 洛氏硬度 | 抗拉强度 | ||||
硬质合金球 3000kg | 标尺A 60kg | 标尺B 100kg | 标尺C 150kg | (约磅/英寸2) | 硬质合金球 3000kg | 标尺A 60kg | 标尺B 100kg | 标尺C 150kg | (约磅/英寸2) |
- | 85.6 | - | 68.0 | - | 331 | 68.1 | - | 35.5 | 166,000 |
- | 85.3 | - | 67.5 | - | 321 | 67.5 | - | 34.3 | 160,000 |
- | 85.0 | - | 67.0 | - | 311 | 66.9 | - | 33.1 | 155,000 |
767 | 84.7 | - | 66.4 | - | 302 | 66.3 | - | 32.1 | 150,000 |
757 | 84.4 | - | 65.9 | - | 293 | 65.7 | - | 30.9 | 145,000 |
745 | 84.1 | - | 65.3 | - | 285 | 65.3 | - | 29.9 | 141,000 |
733 | 83.8 | - | 64.7 | - | 277 | 64.6 | - | 28.8 | 137,000 |
722 | 83.4 | - | 64.0 | - | 269 | 64.1 | - | 27.6 | 133,000 |
712 | - | - | - | - | 262 | 63.6 | - | 26.6 | 129,000 |
710 | 83.0 | - | 63.3 | - | 255 | 63.0 | - | 25.4 | 126,000 |
698 | 82.6 | - | 62.5 | - | 248 | 62.5 | - | 24.2 | 122,000 |
684 | 82.2 | - | 61.8 | - | 241 | 61.8 | 100.0 | 22.8 | 118,000 |
682 | 82.2 | - | 61.7 | - | 235 | 61.4 | 99.0 | 21.7 | 115,000 |
670 | 81.8 | - | 61.0 | - | 229 | 60.8 | 98.2 | 20.5 | 111,000 |
656 | 81.3 | - | 60.1 | - | 223 | - | 97.3 | 20.0 | - |
653 | 81.2 | - | 60.0 | - | 217 | - | 96.4 | 18.0 | 105,000 |
647 | 81.1 | - | 59.7 | - | 212 | - | 95.5 | 17.0 | 102,000 |
638 | 80.8 | - | 59.2 | 329,000 | 207 | - | 94.6 | 16.0 | 100,000 |
630 | 80.6 | - | 58.8 | 324,000 | 201 | - | 93.8 | 15.0 | 98,000 |
627 | 80.5 | - | 58.7 | 323,000 | 197 | - | 92.8 | - | 95,000 |
601 | 79.8 | - | 57.3 | 309,000 | 192 | - | 91.9 | - | 93,000 |
578 | 79.1 | - | 56.0 | 297,000 | 187 | - | 90.7 | - | 90,000 |
555 | 78.4 | - | 54.7 | 285,000 | 183 | - | 90.0 | - | 89,000 |
534 | 77.8 | - | 53.5 | 274,000 | 179 | - | 89.0 | - | 87,000 |
514 | 76.9 | - | 52.1 | 263,000 | 174 | - | 87.8 | - | 85,000 |
495 | 76.3 | - | 51.0 | 253,000 | 170 | - | 86.8 | - | 83,000 |
477 | 75.6 | - | 49.6 | 243,000 | 167 | - | 86.0 | - | 81,000 |
461 | 74.9 | - | 48.5 | 235,000 | 163 | - | 85.0 | - | 79,000 |
444 | 74.2 | - | 47.1 | 225,000 | 156 | - | 82.9 | - | 76,000 |
429 | 73.4 | - | 45.7 | 217,000 | 149 | - | 80.8 | - | 73,000 |
415 | 72.8 | - | 44.5 | 210,000 | 143 | - | 78.7 | - | 71,000 |
401 | 72.0 | - | 43.1 | 202,000 | 137 | - | 76.4 | - | 67,000 |
388 | 71.4 | - | 41.8 | 195,000 | 131 | - | 74.0 | - | 65,000 |
375 | 70.6 | - | 40.4 | 188,000 | 126 | - | 72.0 | - | 63,000 |
363 | 70.0 | - | 39.1 | 182,000 | 121 | - | 69.8 | - | 60,000 |
352 | 69.3 | - | 37.9 | 176,000 | 116 | - | 67.6 | - | 58,000 |
341 | 68.7 | - | 36.6 | 170,000 | 111 | - | 65.7 | - | 56,000 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条