【文章內(nèi)容簡介】 h174。 a Cited Reference Science Database 1990 194 35 Dissertation Abstracts Online 19 47 Gale Group Magazine Database 13 51 Food Science and Technology Abstracts 1 62 SPIN174。 25 63 Transportation Research Information Services (TRIS) 7 65 Inside Conferences 60 There are 108 databases matching your statement 39。S STAINLESS()STEEL AND LASER(S)WELD?39。 (3). S STAINLESS()STEEL? ?(S)LASER(S)WELD? File Database Name Hits 2 INSPEC (1969present) 260 5 BIOSIS Previews174。 (1969present) 2 6 NTIS National Technical Information Service 91 8 Ei Compendex174。 375 9 Business amp。 Industry(TM) 25 15 ABI/INFORM174。 27 16 Gale Group PROMT174。 (1990 present) 130 18 Gale Group Famp。S Index(TM) 13 20 Dialog Global Reporter 26 25 Weldasearch 1468 34 SciSearch174。 a Cited Reference Science Database 1990 172 File Database Name Hits There are 101 databases matching your statement 39。S STAINLESS()STEEL? ?(S)LASER(S)WELD?39。 (4). S STAINLESS()STEEL? ?(S)LASER(S)WELD?/TI,DE‘ 2I NSPEC (1969present) 61 6 NTIS National Technical Information Service 15 8 Ei Compendex174。 112 9 Business amp。 Industry(TM) 2 16 Gale Group PROMT174。 (1990 present) 1 25 Weldasearch 237 34 SciSearch174。 a Cited Reference Science Database 1990 65 35 Dissertation Abstracts Online 9 62 SPIN174。 4 63 Transportation Research Information Services (TRIS) 1 65 Inside Conferences 99 87 TULSA(TM) (Petroleum Abstracts) 1 94 JICSTEPlus Japanese Science amp。 Technology 96 95 TEME Technology and Management 126 96 FLUIDEX (Fluid Engineering Abstracts) 2 99 Wilson Applied Science amp。 Technology Abstracts 14 103 Energy Science and Technology 129 109 Nuclear Science Abstracts 3 144 PASCAL 78 There are 42 databases matching your statement 39。S STAINLESS()STEEL? ?(S)LASER(S)WELD?/TI,DE39。 以下的檢索示例摘錄于一份查新報(bào)告： ‘ S BOMBYX MORI AND (FLUORIDERESISTANCE OR DOMINANT MAYOR GENE OR NPV RESISTANCE OR OVARIOLES)’ in databases ALLSCIEN. File Database Name Hits 10 AGRICOLA 6 34 SciSearch174。a Cited Reference Science Database 1990 1 50 CAB ABSTRACTS 4 71 Elsevier Biobase 1 76 Life Sciences Collection 3 144 PASCAL 1 162 CAB HEALTH 1 440 Current Contents Search174。 1 8個 18篇 ‘S BOMBYX() MORI AND (FLUORIDE() RESISTANCE OR DOMINANT MAYOR GENE OR NPV()RESISTANCE OR OVARIOLES )’in databases ALLSCIEN. File Database Name Hits 5 BIOSIS Previews174。 (1969present) 9 10 AGRICOLA 7 34 SciSearch174。a Cited Reference Science Database 1990 1 35 Dissertation Abstracts Online 3 50 CAB ABSTRACTS 7 71 Elsevier Biobase 1 73 EMBASE174。(1974present) 2 76 Life Sciences Collection 3 94 JICSTEPLusJapanese Science amp。Technology 1 144 PASCAL 1 155 MEDLLNE174。(1966present) 2 162 CAB HEALTH 1 203 AGRIS International 3 440 Current Contents Search174。 3 14個 44篇 從以上示例中我們可以看出 ， 檢索結(jié)果不同 ， 其最大差異有：詞組的檢索 ， 單復(fù)數(shù)和截詞的使用 ，