化学Alexa排名

376. Chem.wisc.edu/areas/reich/handouts/nmr-h/hdata.htm

网站简介:13C, 19F, 31P, 1H, 77Se, Jhh, Jch tables. Extensive tabulation of chemical shifts as well as coupling constants, very useful and very well-organized.

377. Arguslab.comarguslab.com

网站简介:Molecular modeling program for Windows9x operating systems with 3D-builder, ab initio calculation modules, and simple molecular mechanics. Includes version history, citations, and contacts in Seattle, Washington.

378. Link.springer.com/journal/11101

网站简介:International review journal that publishes peer reviewed papers from meetings organized by the phytochemical Society of Europe.

379. Chemicalelements.com/groups/nonmetals.html

网站简介:Gives a brief description on the properties of Nonmetals, as well as links to the sites of each of the elements in that category.

380. Https://chemistry.unt.edu/

网站简介:Degree information, advising and chemistry links.

381. Journals.elsevier.com/analytica-chimica-acta/

网站简介:Publishes original research, and critical reviews dealing with all aspects of fundamental and applied modern analytical science.

382. Stoltz.caltech.edustoltz.caltech.edu

网站简介:Synthesis of biologically active and structurally complex natural products and the development of new reaction methodology.

383. Kinesis.co.ukkinesis.co.uk

网站简介:Distributor of chromatography columns, consumables, lamps and spare parts for scientific instruments, offering online sales.

384. Chemweb.comchemweb.com

网站简介:Features searchable chemistry journals and databases, jobs, books, software, conferences diary and ChemDex+.

385. Vcclab.orgvcclab.org

网站简介:Free on-line calculation of lipophilicity, logP, aqueous solubility, logS, molecular indices using Java applets. Analysis methods include neural networks, partial least squares and unsupervised forward selection.

386. Tandfonline.com/toc/lsrt20/current

网站简介:Publication devoted to the rapid dissemination of original research papers of relevance to inorganic, metal-organic and nano-metal chemists and nanotechnology professionals.

387. Chem.canterbury.ac.nzchem.canterbury.ac.nz

网站简介:Study and research projects from BSc(Hons) to PhD level. Information about Chemistry, courses, research, people and Biochemistry.

388. Oico.comoico.com

网站简介:Develops, manufactures, sells, and services analytical instrumentation that detects, measures, analyzes, and monitors chemicals in liquids, solids, and gases.

389. Chemicalelements.com/elements/f.html

网站简介:Basic information, atomic structure, and table of isotopes.

390. Micronit.commicronit.com

网站简介:Micronit Microfluidics focuses on lab-on-a-chip design, development and fabrication. Micronit is capable of rapid prototyping of microfluidic devices as well as manufacturing them in high volume.

391. Education.jlab.org/itselemental/ele079.html

网站简介:Basic physical and historical information.

392. Computational-chemistry.co.ukcomputational-chemistry.co.uk

网站简介:General purpose modelling tool that uses modern computational methods to provide quantitative data on molecular structure, energy, reactivity, selectivity and a wide range of molecular properties.

393. Bioscreening.combioscreening.com

网站简介:Directory of suppliers of organic compounds, compound libraries, custom synthesis and natural products for screening.

394. Chemicalelements.com/elements/mg.html

网站简介:Basic information, atomic structure, and table of isotopes.

395. Science-and-fun.de/tools/

网站简介:This wizard is part of the spectroscopic tools collection which includes many NMR tools and one online book.

396. Pafko.com/history/

网站简介:Includes an introduction to chemical engineering and a brief history of the profession.

397. Hghouston.comhghouston.com

网站简介:Provides corrosion and failure analysis services to the chemical, petroleum, oil and gas, and pipeline industries. Includes technical newsletters, photographs, discussion forums, case histories and materials property data.

398. Chemicalelements.com/elements/ne.html

网站简介:Basic information, atomic structure, and table of isotopes.

399. Journals.elsevier.com/chemical-physics/

网站简介:A journal devoted to experimental and theoretical research involving problems of both a chemical and a physical nature.

400. Accutest.comaccutest.com

网站简介:Analyses for industrial, engineering, consultants and government clients, reporting through LIMS online data service, throughout the USA, from regional labs, headquartered in Dayton, New Jersey.