TK Electrical engineering. Electronics Nuclear engineering 2,865 QA75 Electronic computers. Computer science 1,558 Scanning electron microscopy 292 human 259 Article 233 Humans 199 Technology: general issues 187 controlled study 154 scanning electron microscopy 127 History of engineering and technology 122 male 120 female 115 Research & information: general 108 adult 108 Fourier transform infrared spectroscopy 98 nonhuman 89 chemistry 81 Electronics engineering 77 electronic health record 77 X ray diffraction 71 article 69 High resolution transmission electron microscopy 68 procedures 68 Electronic commerce 66 major clinical study 66 Electrons 65 Thermoelectric equipment 63 transmission electron microscopy 61 Field emission microscopes 56 Electronic equipment 55