Standard test method for pressure and rate of pressure rise for combustible dusts 可燃粉尘用压力和压力提高率的标准试验方法
2.
So the effect of fiber kinds and factors on anti - permeability of cement mortar was studied using the method of testing increased ratios of water - proof 采用测试不透水性提高率的方法，研究了纤维类型及纤维参数对水泥砂浆抗渗性能的影响。
3.
The polyhedrin gene sequence in recombinant virus bmpak - hbmp can be more benefit to enhancing the expression of the hbsag ( pres2 + s ) from atg initial codon at the 5 " ends of pres2 gene 另一方面， elisa检测表明， presz抗原性提高率约是hbsag的14倍，提示bmpak hb帅中多角体基因部分碱基序列的存在更有利于从presz前的atg开始表达中蛋白全基因（ presz s ） 。
