网站简介:New and reconditioned surgical microscopes for various applications including colposcope systems, and disposables.
网站简介:An interactive analyzer for Greek words, in Latin transliteration.
网站简介:A searchable, integrated database of human genes that provides concise genomic, proteomic, transcriptomic, genetic and functional information on all known and predicted human genes.
网站简介:Math articles and formulas in calculus, linear algebra, analytic geometry and algebra with easy-to-understand examples and solutions.
网站简介:Manufacturer of SLA Series stereolithography rapid prototyping machines, Actua Series 3D printers, and 3D Keltool rapid production tooling process. SLA machines fabricate prototypes by laser-hardening successive cross-sectional layers of epoxy- or vinyl-based resin. Actua 3D printers "print" 3D models using a thermopolymer plastic.
网站简介:Objective reviews for astronomy equipment and accessories submitted by expert and amateur astronomers. Articles, classifieds, and forums.
网站简介:A web portal with online calculators, tables of mathematical and physical properties, free downloadable programs as well as links to search engines and companies.
网站简介:Irish National Meteorological Service - provider of weather information and related services for Ireland.
网站简介:A guide for topics in elementary and AP statistics. Includes calculators, tables and a forum.
网站简介:Includes the Concise Encyclopedia of Economics, economics blog (EconLog, edited by Arnold Kling and Bryan Caplan), classic texts, articles, and data links by topic.
网站简介:Abcam plc is a producer and distributor of research-grade antibodies and associated products headquartered in Cambridge, UK, with a US office located in Cambridge, Massachusetts and a Japan office located in Tokyo. Our vision is to build the largest online catalog of the best antibodies in the world. We have over 51,000 products in our catalog, including a growing range of non-antibody products such as proteins, peptides, lysates, slides and kits. Abcam is passionate about science and helping scientists progress in their research. We organize a wide range of events, located all over the world. This enables us to: -create forums for scientists to network and discuss the latest areas of research. -provide greater opportunities for junior scientists to present their work -keep in touch with our customers, and learn how we can improve our products -stay at the cutting edge of research so we can make the highest quality new antibodies!
网站简介:Extension and outreach programs for producers, agricultural businesses and consumers in the Commonwealth of Pennsylvania and northeast U.S.
网站简介:The Natural Environment Research Council (NERC) funds and carries out impartial environmental science research
网站简介:Government gateway to planning information throughout the UK. Provides information on plans, appeals, applications, contact details, research areas.
网站简介:Non-profit scientific organisation which provides real-time earthquakes information (84 member institutes from 55 different countries). Develops innovative methods to deliver the fastest information on earthquakes' effects and encourages witnesses of earthquakes to share their experiences and pics via mobiles and Internet applications.
网站简介:Up-to-date industry news, stock quotes, company information, job postings and industry resources for all publicly traded biotechnology and pharmaceutical companies.
网站简介:An American sign language resource site with free ASL lesson plans for teachers and self-study students and a dictionary.
网站简介:Up to date information about the daily advances mankind is making in stem cells, genetics, biology, artificial intelligence, aging, robotics.
网站简介:Britain's national mapping agency. Historical, touring, landline, superplan, GB, Landranger, Explorer, road and street maps.
网站简介:Non-profit plasmid repository which archives and distributes high quality plasmids. Also provides free plasmid tools and a vector database.
网站简介:Contains science articles, online discussion forum, interviews with famous scientists, book reviews and free MP3 downloads of their science radio shows.
网站简介:Stratasys is the leading provider of direct digital manufacturing systems used for prototyping and manufacturing. Stratasys FDM (Fused Deposition Modeling) systems produce accurate 3D parts directly from CAD files.
网站简介:Includes links to scientific divisions, research institutes, and journals.
网站简介:News center, gallery, discoveries, sci-tech, fun and games, and reference desk.
网站简介:Institute of Mathematics and Statistics. (São Paulo, Brazil)
提供中文网站alexa排名查询、网站流量查询、网站访问量查询、网站页面浏览量查询服务。