7l

Group 4 was provided with antimicrobial peptides ( 7L / T ) ;

第4组为抗菌肽组（7L／T）；

Studied the culture strategies of engineering bacteria in 7L ' fermenter to further improve the yield of cholesterol oxidase activity .

3.7L发酵罐中研究了工程菌的培养策略，进一步提高活性胆固醇氧化酶产率。

7L ( S ), translocation-deletion line Lr .

7L（S）；易位缺失系Lr。

Standing crop of 18-year-old Pinus tabulaeformis plantation in Wei-bei region was 7l . 410t / ha , in which the biomass of arbor layer amounted to 67.124 t / ha .

渭北地区18年生油松林生物量为71.410t/ha，其中乔木层生物量为67.124t/ha。

When Flow was increased to or greater than 7L / min , the oxygen concentrations in nasal cavities of neonate were close to 60 % for groups with medium and big oxygen hood and greater than 60 % for groups with small oxygen hood .

Flow≥7（L/min）时，头罩内新生儿鼻前庭氧浓度在大、中头罩各组均接近60%，小头罩各组均>60%。

Draught tube airlift bioreactors designed for plant cell suspension cultures were constructed and tested for Glycyrrhiza uralensis cell culture . The bioreactors had total volumes of 7L , 9L and 25L , with working volumes of 4.5L , 6L and 20L , respectively .

自行设计研制了7L，9L及25L内循环气升式生物反应器，并应用于甘草细胞的放大培养研究。