【判断题】几种线路同杆架设时 ,电力线路应位于弱电线路的下方,高压线路位于低压线路的下方。
【单选题】在Engineering Village数据库中检索植物精油(essential oil)胶囊化(capsule)技术,检索结果最少的是:
A.
("essential oil" and capsul*) wn ab
B.
("essential oil" and capsul*) wn ti
C.
("essential oil" and (capsul* or encapsul*) wn ab
D.
("essential oil" and (capsul* or encapsul*) wn ti
【单选题】在Scopus数据库中检索植物精油(essential oil)胶囊化(capsule)技术,检索结果最少的是:
A.
ABS("essential oil" and capsul*)
B.
TITLE("essential oil" and capsul*)
C.
ABS("essential oil" and (capsul* or encapsul*)
D.
TITLE("essential oil" and (capsul* or encapsul*)
【单选题】在Engineering village(EI)数据库中检索植物精油(essential oil(s))胶囊化(capsule(s))技术,检索结果最少的是:
A.
("essential oil" and capsul*) wn ab
B.
("essential oil" and capsul*) wn ti
C.
("essential oil" and ( capsul* or encapsul*) wn ab
D.
("essential oil" and ( capsul* or encapsul*) wn ti
【单选题】在Engineering Village数据库中检索植物精油(essential oil)胶囊化(capsule)技术,检索结果最多的是:
A.
("essential oil" and capsul*) wn ab
B.
("essential oil" and capsul*) wn ti
C.
("essential oil" and ( capsul* or encapsul*) wn ky
D.
("essential oil" and (capsul* or encapsul*) wn ti