Showing 301 - 320 of 11,847,256

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) 174,638 ta1-2040 174,130 physics 161,581 engineering 159,536 technology 156,486 chemical engineering 154,904 chemistry 129,464 0502 economics and business 122,872 less ...

elsevier b.v. 1,182,399 elsevier bv 861,171 ieee 523,765 elsevier ltd 446,984 elsevier 368,118 wiley 301,300 more ... ccsd 264,767 mdpi ag 246,732 american chemical society 223,223 springer nature 217,844 wiley-blackwell 193,422 mdpi 169,384 iop publishing 135,507 taylor & francis ltd 124,551 springer 82,225 american institute of physics 56,830 springer international publishing 54,159 elsevier science 49,602 elsevier sci ltd 47,804 edp sciences 46,256 ieee-inst electrical electronics engineers inc 45,460 royal society of chemistry 40,146 american society of civil engineers 35,845 american society of mechanical engineers 33,362 sage publications inc. 33,187 biomed central 29,536 escholarship, university of california 29,059 taylor & francis 29,029 emerald publishing limited 25,697 springer netherlands 25,282 less ...

english 9,244,446 undetermined 1,392,796 unknown 292,074 french 98,828 chinese 93,766 russian 42,031 more ... turkish 39,601 german 32,088 spanish; castilian 30,331 croatian 26,502 ukrainian 20,931 portuguese 18,305 indonesian 14,677 swedish 10,182 japanese 9,275 persian 7,908 polish 5,995 finnish 5,406 spanish 5,068 ndonga 3,578 italian 2,954 czech 2,716 arabic 2,585 serbian 2,301 greek, modern (1453-) 1,861 lithuanian 1,692 romanian; moldavian; moldovan 1,580 slovenian 1,406 korean 1,251 slovak 987 less ...

united states 42,902 france 35,670 china 34,139 united kingdom 13,171 europe 12,549 india 7,378 more ... spain 6,899 australia 5,575 turkey 4,247 california 3,265 less ...

OpenAIRE 3,776,822 BASE 1,591,980 Academic Search Index 1,327,636 ScienceDirect 949,640 MEDLINE 474,399 Complementary Index 462,555 more ... Science Citation Index Expanded 424,972 PASCAL Archive 416,522 wiso 389,751 OAIster 368,442 Springer Nature Journals 299,960 Directory of Open Access Journals 241,212 Business Source Premier 233,377 Supplemental Index 158,758 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 19,386 Emerald Insight 19,168 Education Research Complete 15,271 De Gruyter Brill Online 12,360 Social Sciences Citation Index 10,256 Regional Business News 9,400 eScholarship 8,997 JSTOR Journals 8,700 less ...