Using software PRO-E to build the model of the impeller, diffuser with blade, entering air elbow, volute.
用PRO - E软件对进气弯管，带分流叶片的叶轮及有叶片扩压器进行了实体建模。
2
Purpose Molecular cloning and expression of pro nattokinase gene with e.
目的构建纳豆激酶原基因克隆，实现其在大肠杆菌中的表达。
3
SPF 30 sunscreen protects skin against damaging UVA and UVB rays. Vitamin E and Pro-Vitamin B5 formula helps protect skin from environmental damage caused by free radicals.