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*)
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*)
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
- 关于web of science 的检索技术,说法正确的是: A: 逻辑运算符为NOT,AND,OR B: 通配符包括:*,?,$ C: 词组必须置于双引号中,如"waste water" D: 可跨库检索
- 利用中国生物医学文献数据库(CBM)高级检索途径检索有关艾滋病的文献,下列检索式中检索结果最少的是( )。 A: "艾滋病"[中文标题] B: "艾滋病"[中文标题:智能] C: "艾滋病"[常用字段:智能] D: "艾滋病"[常用字段]
- The term "grey water" is used to describe A: runoff from agricultural fields B: wastewater containing human waste C: effluent water from households or business activities D: rainwater that is collected and used in households E: potable water used for household activities
- 在Excel中,为表格添加边框的正确的操作是()。 A: 单击"单元格"中的"边框" B: 单击"单元格"中的"边框和底纹" C: 单击"插入"中"边框" D: 单击"插入"中"单元格"