| 1. | Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source . 胆钙化醇是7脱氢胆固醇经日光或人工来源的紫外线照射而产生的。 |
| 2. | A boundary element modeling method for the electromagnetic field by artificial source in frequency domain with 3 - d topography 三维地形频率域人工源电磁场的边界元模拟方法 |
| 3. | Cholecalciferol is produced by irradiation of 7 - dehydrocholesterol with ultraviolet light either from the sun or from an artificial source 胆钙化醇是7 ?脱氢胆固醇经日光或人工来源的紫外线照射而产生的。 |
| 4. | Cholecalciferol is produced by irradiation of 7 - dehydrocholesterol with ultraviolet light either from the sun or from an artificial source 胆钙化醇是7 脱氢胆固醇经日光或人工来源的紫外线照射而产生的。 |
| 5. | Measurement and assessment of personal exposures to incoherent optical radiation - visible and infrared radiation emitted by artificial sources in the workplace 暴露在非干涉光辐射中的人体测量和评定.工作场所中人工源放射的紫外线辐射 |
| 6. | Measurement and assessment of personal exposures to incoherent optical radiation - part 1 : ultraviolet radiation emitted by artificial sources in the workplace 非相干光辐射下个人辐照量的测量和评估.第1部分:工作地点内人工光源发出的紫外线辐射 |
| 7. | Measurement and assessment of personal exposures to incoherent optical radiation - part 1 : ultraviolet radiation emitted by artificial sources in the workplace ; german version en 14255 - 1 : 2005 非相干光辐射下个人辐照量的测量和评估.第1部分:工作 |
| 8. | Measurement and assessment of personal exposures to incoherent optical radiation - part 2 : visible and infrared radiation emitted by artificial sources in the workplace ; german version en 14255 - 2 : 2005 非相干光辐射下个人辐照量的测量和评估.第2部分:工作 |
| 9. | Measurement and assessment of personal exposures to incoherent optical radiation - part 2 : visible and infrared radiation emitted by artificial sources in the workplace 非相干光辐射下个人辐照量的测量和评估.第2部分:工作地点内人工光源发出的可见和红外辐射 |
| 10. | Based on a brief review of the development history of he surface wave exploration , this paper deals emphatically with the essentials of the surface wave exploration technique and the advances in the natural source surface wave exploration and artificial source surface wave exploration in the past ten years , and points out some problems which deserve much attention in future utilization and development of this technique 摘要在简要回顾面波勘探发展历史的基础上,着重介绍面波勘探技术要点和近10年来天然源面波勘探和人工源面波勘探的最新进展,并对使用和发展这项方法技术提出应当注意的问题。 |