2 . methodology the methodology of documentation , comparison and logical analysis are used in this dissertation 二、研究方法本研究通过文献法、比较法、逻辑分析等方法进行。
He plans to cut the city ' s greenhouse gas emissions by 30 % in part by improving the efficiency of power plants 他计划通过改进电厂效率在内等方法，将纽约的温室气体排放减少30 % 。
Unusual cracking of seamless phosphorus - killed copper pipe usedin refrigeration are analyzed by means of sem etc 用sem等方法对电冰箱压缩机用磷脱氧无缝铜管异常断裂进行了分析。
Methods exploration in producing area , references research , specimens examination and crude drug identification were used 方法采用产地调查、资料查阅、标本考证、药材鉴定等方法。
The expression of target protein was identified with dot - elisa , sds - page and western blotting Elisa 、 sda page 、 western blot等方法在蛋白水平对ctla4胞外区蛋白的表达进行了鉴定。
Methods the original plant identification , morphological , microscopic indentification and thin layer chromatography ( tlc ) were adopted 方法采用原植物、性状、显微、薄层鉴定等方法。
Finally , the external and internal calibration methods and the processing of calibration data are studied 最后研究了低频uwb - sar外部校准和内部校准的方案设计,校准数据的处理等方法。
Yba2cu3o7 - x thick films were also prepared by sol - gel and pmp methods and their sensitivity for oxygen was studied 用sol - gel及pmp等方法制备了ybco厚膜，并研究了其对氧的检测灵敏度。
Fracture analysis of those bolts was conducted by means of macro examination , fractography and chemical composition analysis 采用宏、微观检验和化学成分分析等方法对失效件进行了检测。
Besides , this paper applies historical research approach , investigation analytic approach and experience induction 此外，本研究还采用了历史研究法、调查分析法和经验总结法等方法。
