化学Alexa排名

51. Chem1.comchem1.com

网站简介:Instructional software for general chemistry. Provides access to demo version, frequently asked questions and support resources.

52. Alfa.comalfa.com

网站简介:A manufacturer and supplier of chemicals, metals and materials for research, development and production applications. Small lots of research grade chemicals.

53. Pasternack.compasternack.com

网站简介:Manufactures and sells RF adapters, cables and related stuff.

54. Jes.ecsdl.orgjes.ecsdl.org

网站简介:Peer-reviewed journal publishing papers in the field of solid-state and electrochemical science and technology.

55. Webbook.nist.gov/chemistry/

网站简介:Database of organic chemistry compounds, organized by species. Contains chemical and physical property data on over 30,000 compounds.

56. Vitasmlab.comvitasmlab.com

网站简介:Supplier of small molecule organic compounds for HTS screening and combinatorial chemistry.

57. Minicircuits.comminicircuits.com

网站简介:Supply a range of RF / IF microwave components. Includes product catalogs and technical documentation in pdf format .

58. Eurofins.comeurofins.com

网站简介:International group of contract laboratories providing food, beverage, dietary supplement, and authenticity tests, in ten European countries and seven states in the USA.

59. Chem.ox.ac.ukchem.ox.ac.uk

网站简介:Admissions, undergraduate and postgraduate information; research guide and external links.

60. Fciconnect.comfciconnect.com

网站简介:A supplier of electronic and electrical interconnect systems. Product listing, high speed connectors, press releases, and employment opportunities.

61. Orgsyn.orgorgsyn.org

网站简介:Free electronic version of printed Organic Syntheses series - detailed reliable experimental methods for the synthesis of organic compounds.

62. Ch.cam.ac.ukch.cam.ac.uk

网站简介:Details of research opportunities, staff, undergraduate courses, and teaching, along with Chemistry resources.

63. Chem.umass.educhem.umass.edu

网站简介:Department of Chemistry.

64. Chem.utoronto.cachem.utoronto.ca

网站简介:Gives information on graduate and undergraduate admissions, lists of faculty members and administrative staff. Also contains links to undergraduate course notes.

65. Schrodinger.comschrodinger.com

网站简介:Producer of molecular mechanics packages for drug and biomolecular interactions .

66. Chemheritage.orgchemheritage.org

网站简介:A non-profit foundation dedicated to preserving and making known the history of the chemical sciences.

67. Chemexper.comchemexper.com

网站简介:A catalog of 60000 fine chemicals searchable for free using a chemist-friendly search engine.

68. Chemicalaid.comchemicalaid.com

网站简介:Periodic table, element information, glossary and tools.

69. Emolecules.comemolecules.com

网站简介:Free chemical structure search engine with millions of public domain structures from vendors worldwide.

70. Chemistry.gatech.educhemistry.gatech.edu

网站简介:Contains links to different programs within the Chemistry department, course descriptions, graduate and undergraduate information.

71. Chem.agilent.comchem.agilent.com

网站简介:Manufacturer of a wide range of analytical instrumentation relating to mass spectrometry, spectroscopy, chromatography, and biotechnology.

72. Acdlabs.comacdlabs.com

网站简介:Provides a wide set of desktop and on-line software for chemists and educators: NMR, IR, UV, MS, drawing and modelling, chromatography, naming, comprehensive databases and predictions.

73. Chem.qmul.ac.ukchem.qmul.ac.uk

网站简介:Provides information on research programmes, postgraduate and undergraduate studies and contact details.

74. Pubs.rsc.org/en/journals/journalissues/cc

网站简介:Publishes communications on important new developments in the chemical sciences.

75. Accelrys.comaccelrys.com

网站简介:Applies high-throughput experimentation to the discovery of new materials, including catalysts used in the manufacture of chemicals, plastics and rubbers, through collaborative research agreements.