| 1. | Study on hydrogenation of nitrodiphenylamine in alkalescence system
硝基二苯胺催化加氢还原工艺研究 |
| 2. | Metallic powders - determination of hydrogen reducible oxygen content
金属粉末中可被氢还原氧含量的测定 |
| 3. | Metallic powders - determination of hydrogen - reducible oxygen content
金属粉末中可被氢还原氧含量的测定 |
| 4. | Metallic powders . determination of oxygen content by reduction methods . part 3 : hydrogen - reductible oxygen
金属粉末.用还原法测定氧含量.第3部分：用氢还原氧 |
| 5. | Metallic powders - determination of oxygen content by reduction methods - loss of mass on hydrogen reduction hydrogen loss
金属粉末.用还原法测定氧含量.氢还原时的质量损失 |
| 6. | Metallic powders . determination of oxygen content by reduction methods . part 2 : loss of mass on hydrogen reduction hydrogen loss
金属粉末.用还原法测定氧含量.第2部分:氢还原时的质量损失 |
| 7. | Chemical analysis of copper containing not less than 99 , 90 per cent copper . hydrogen reduction test and estimation of oxygen content
含量大于或等于99 . 9 %铜的化学分析.氢还原试验和氧含量估算 |
| 8. | Metallic powders - determination of oxygen content by reduction methods - part 2 : loss of mass on hydrogen reduction hydrogen loss iso 4491 - 2 : 1997
金属粉末.用还原法测定氧含量.第2部分:氢还原时的质 |
| 9. | Metallic powders - determination of oxygen content by reduction methods - part 3 : hydrogen - reducible oxygen iso 4491 - 3 : 1997 ; german version en iso 4491 - 3 : 2006
金属粉末.用还原法测定氧含量.第3部分:可被氢还原的氧 |
| 10. | Ivermectins ( a mixture containing more than 80 % of 22 , 23 - dihydroavermectin bla and less than 20 % of 22 , 23 - dihydroavermectin b1b ) , which have the same effective antiparasitic activities and the lower level of toxic side - effects than avermectins , are currently synthesized by chemically reducing the double bond between c22 and c23 of avermectins b1
阿维菌素b1在c - 22 , 23位的化学加氢还原产物称为伊维菌素( ivermectins ) ，具有与阿维菌素相同的杀虫活性，但毒性更低，更安全。目前国内外报道的伊维菌素生产均是用化学还原法，生产成本很高。 |
