Showing 241 - 260 of 11,845,129

02 engineering and technology 2,995,177 01 natural sciences 1,219,789 0202 electrical engineering, electronic engineering, information engineering 1,106,138 0210 nano-technology 990,139 7. clean energy 776,706 0211 other engineering and technologies 648,377 more ... 13. climate action 441,476 0103 physical sciences 440,324 0104 chemical sciences 415,421 exact sciences and technology 370,486 sciences exactes et technologie 370,486 6. clean water 315,883 0209 industrial biotechnology 284,006 applied sciences 281,844 sciences appliquees 281,764 0105 earth and related environmental sciences 277,258 0203 mechanical engineering 256,907 12. responsible consumption 253,350 3. good health 238,684 11. sustainability 237,651 05 social sciences 228,762 03 medical and health sciences 208,957 engineering (general). civil engineering (general) 174,308 ta1-2040 173,800 physics 161,578 engineering 159,537 technology 156,469 chemical engineering 154,901 chemistry 129,458 0502 economics and business 122,872 less ...

elsevier b.v. 1,182,377 elsevier bv 861,171 ieee 523,740 elsevier ltd 446,977 elsevier 367,892 wiley 301,250 more ... ccsd 264,767 mdpi ag 246,732 american chemical society 223,169 springer nature 217,789 wiley-blackwell 193,350 mdpi 169,176 iop publishing 135,503 taylor & francis ltd 124,517 springer 82,204 american institute of physics 56,830 springer international publishing 54,159 elsevier science 49,601 elsevier sci ltd 47,686 edp sciences 46,253 ieee-inst electrical electronics engineers inc 45,331 royal society of chemistry 40,131 american society of civil engineers 35,751 american society of mechanical engineers 33,362 sage publications inc. 33,178 biomed central 29,535 escholarship, university of california 29,059 taylor & francis 29,027 emerald publishing limited 25,701 springer netherlands 25,282 less ...

english 9,242,352 undetermined 1,392,796 unknown 292,074 french 98,827 chinese 93,710 russian 42,032 more ... turkish 39,600 german 32,088 spanish; castilian 30,326 croatian 26,502 ukrainian 20,922 portuguese 18,300 indonesian 14,677 swedish 10,182 japanese 9,275 persian 7,908 polish 5,995 finnish 5,406 spanish 5,067 ndonga 3,578 italian 2,953 czech 2,716 arabic 2,585 serbian 2,301 greek, modern (1453-) 1,861 lithuanian 1,691 romanian; moldavian; moldovan 1,580 slovenian 1,406 korean 1,251 slovak 987 less ...

united states 42,902 france 35,670 china 34,118 united kingdom 13,171 europe 12,549 india 7,380 more ... spain 6,898 australia 5,575 turkey 4,246 california 3,264 less ...

OpenAIRE 3,776,822 BASE 1,591,980 Academic Search Index 1,327,281 ScienceDirect 949,640 MEDLINE 474,251 Complementary Index 462,555 more ... Science Citation Index Expanded 423,947 PASCAL Archive 416,522 wiso 389,751 OAIster 368,442 Springer Nature Journals 299,960 Directory of Open Access Journals 240,734 Business Source Premier 233,327 Supplemental Index 158,711 HAL 114,023 APA PsycInfo 110,730 ACS Publications 93,181 GreenFILE 78,678 GBV Online Contents 78,325 OpenDissertations 32,019 SciTech Connect 28,156 arXiv 26,585 RePEc 19,379 Emerald Insight 19,172 Education Research Complete 15,265 De Gruyter Brill Online 12,357 Social Sciences Citation Index 10,250 Regional Business News 9,400 eScholarship 8,997 JSTOR Journals 8,700 less ...