| 1. | Techno - economic analysis on production of high purity potassium sulphate 芒硝转化法生产高纯度硫酸钾技术经济分析 |
| 2. | Several factors influencing the vacuum infiltration transformation efficiency in brassica campestris l . ssp 对小白菜真空渗入转化法的转化条件进行了初步探索。 |
| 3. | Preparation methods of - ionone with high purity are chemical synthesis , indirect conversion , physical separation and so on 高纯度的-紫罗兰酮的制备方法主要有:化学合成法、间接转化法和物理分离法等。 |
| 4. | Analysis of water used in boiler and cooling system - determination of total silicon - photometric method by conversion with hydrofluoric acid for low silicon 锅炉用水和冷却水分析方法全硅的测定低含量硅氢氟酸转化法 |
| 5. | The recent advances about laser microbeam in plant transformation of exogenous gene , key techniques and applications are introduced . and the prospects is anticipated 摘要本文概述了近年来激光微束在植物外源基因转化上的最新进展,激光微束转化法的关键技术及应用。并对其今后的应用前景作了展望。 |
| 6. | During the study , we introduce a new method named the changeable static load method to analyze road response under moving vehicle , and finally solve the problem with fem 在研究过程中,作者提出了静荷转化法,并引入动力计算的有限元数值算法,解决移动载荷或随机载荷作用下路面响应的分析问题。 |
| 7. | This part first forecasts the level of urbanization of yantai city in 2010 by means of converting surplus labor force . then it brings forward specific countermeasures to the existing problems of urbanization 首先采用时间序列趋势预测和剩余劳动力转化法对烟台市200年的城镇化水平进行了预测,并在此基础上,针对烟台市农村城镇化发展中存在的问题,提出了具体的对策。 |
| 8. | Leaves of tobacco ( nicotiana tabacum ) were wounded , infected by agrobacterium tumefaciens strain lba4404 and gv3101 : pmp90 harboring expression vector pbgsb and pbglsb and co - cultured for 3 days in darkness on the culture medium ( ms + 0 . 5mg / l 6 - ba + 0 . 7 % agor ph 5 . 7 ) 4以烟草(品种sr )无菌苗叶片为外植体,采用农杆菌浸染的叶盘转化法,用构建好的植物表达载体对烟草进行遗传转化。外植体置于无抗生素的诱芽培养基( ms 0 |
| 9. | The plasmids were used to transform tobacco by the leaf disc method using the agrobacterium strains described above . tobacco tissues were cultured and shoots were regenerated , transplanted to soil . the vp2 gene was expressed with the growth of transgenic cells into full - blown plants 用冻融法将该表达载体转化农杆菌lba4404 ,通过叶盘转化法ibdvvp2基因整合到烟草基因组中,然后进行组织培养,诱导生根,生成转基因植株。 |
| 10. | Chemical transformation is one of the methods for the preparation of nonaqueous dispersion . in order to meet the need of practical work in conservation , we managed to transform room - temperature self - curing acrylics latex to nad . the transformed material can be used in the conservation of culture relics 采用化学转化法将水乳液转化为非水乳液是制备非水分散体的一种方法。根据实际需要,将常温自交联丙烯酸树脂乳液转化为非水分散体,这种材料可用于文物保护工作。 |