WOS平台核心合集数据库检索中,下列检索结果最少的是:
A: ti="wastewater treat"
B: ti="wastewater treat*"
C: ti=wastewater treat
D: su=wastewater treat
A: ti="wastewater treat"
B: ti="wastewater treat*"
C: ti=wastewater treat
D: su=wastewater treat
举一反三
- WOS平台核心合集数据库检索中,下列检索结果最少的是: A: su=wastewater treat B: ti="wastewater treat" C: ti="wastewater treat*" D: ti=wastewater treat
- 在SCI E数据库中检索废水中苯酚的降解研究,最佳检索式为: A: ts=(("waste water" or wastewater) and degradat*) B: ts=(("waste water" or wastewater) and phenol and degradat* and stud*) C: ts=(("waste water" or wastewater) and phenol and degradat*) D: ts=(phenol and degradat*)
- 下列检索式中,检索结果最少的是()。 A: “信息检索”/TI B: “信息检索” C: 信息检索 D: 信息检索/TI
- 关于ISIWebofKnowledge的检索技术,说法正确的是:() A: 逻辑运算符为SAME,NOT,AND,OR B: 通配符包括:*,?,$ C: 词组必须置于双引号中,如“wastewater” D: 有跨库检索功能
- I really can ’t understand_____ __her like that. A: you treat B: you to treat C: why treat D: you treating