| 1. | Fibre furnish analysis of paper , board and pulps - method of test by herzberg stain 纸纸板和纸浆的纤维配料分析.第3部分:采用赫芝伯格染色试验法 |
| 2. | The near and far field properties of line current of arbitrary shape is demonstrated in this example 本例以赫芝电偶极电磁场合成之近似结果,验证偶极天线远场及近场之特性。 |
| 3. | Each segment of line current can be approximated as a hertzian dipole if each segment is much smaller then a wave length 因此任意线电流在三度空间之三维向量电磁场即可以赫芝电偶极完整之远场及近场近似合成之。 |
| 4. | The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or hertz dipoles 以很多小段赫芝偶极之完整电磁场合成一任意线电流之近场与远场电磁场。 |
| 5. | The elliptical polarized wave and two types of wave impedance in the near field of current sources of an electric and a magnetic hertz dipoles combination 一赫芝电偶极加上一赫芝磁偶极在近场之椭圆极向波与两种波阻抗。 |
| 6. | The poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as hertz dipoles 以赫芝偶极之电磁场合成任意长度偶极天线在球面上电磁功率密度流之时变玻因亭向量。 |
| 7. | An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by hertzian diploes , then both the near and far em - field of the line curennt is approximated by the summation of the complete near and far fields of hertz dipoles 水平面上任意形状线电流分割为许多小段之电流,每一小段之电流近似为赫芝偶极,则在三度空间任意座标平面上无论远近之电磁场即可以赫芝偶极之远近完整电磁场加总合成近似之。 |
| 8. | Abstract : this paper derives thecalculating formulas to the contact strength and oil - film thickness of the involute spur gear according to hydrodynamic lubrication principle . through check with test , shows that they may rully replace now available hertz formula and dowsonformula respectively 文摘:根据流体动力润滑原理,推导出了渐开线直齿圆柱齿轮接触强度及油膜厚度的计算公式,通过实验验证,说明它们可以完全分别代替现有的赫芝公式及通森公式。 |
| 9. | For a x - directed line current with lengh much smaller than a wave length , the e - field pattern on coordinate planes in 3 - d space in the region from much smaller than line length to one or two wave length , the synthesized pattern by summation of the field of many line segments of hertz dipoles is independent of the number of segments , i . e . same field as a single hertz dipole 以水平面上三角形甚小于波长线电流为例,分割为若干小段之赫芝偶极所加总合成在三度空间任意座标平面上距离从甚大于线长到一两个波长区域之电场场型与分割小段数量无关,即等同于一单一赫芝偶极之场型。 |
| 10. | For a x - directed line current with lengh much smaller than a wave length , the e - field pattern on coordinate planes in 3 - d space in the region from much smaller than line length to one or two wave length , the synthesized pattern by summation of the field of many line segments of hertz dipoles is independent of the number of segments , i . e . same field as a single hertz dipole 以水平面上向甚小于波长线电流为例,分割为若干小段之赫芝偶极所加总合成在三度空间任意座标平面上距离从甚大于线长到一两个波长区域之电场场型与分割小段数量无关,即等同于一单一赫芝偶极之场型。 |