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标题:Chemdex | The Sheffield Chemdex: the directory of chemistry on the WWW since 1993 Go to chemdex.org
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网站历史:创建于:1999年01月17日 年龄:13年4月19日  查看历史记录

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网站流量:IP ≈1,009   PV ≈3,432
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Web服务器:Apache/2.2.10 (Unix) mod_ssl/2.2.10 OpenSSL/0.9.7a mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 PHP/5.2.6
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域名注册信息

注册人:WebElements Ltd
Email:webelements
ICANN注册机构:Public Interest Registry
创建时间:1998-11-12
修改时间:2011-10-12
过期时间:2012-11-11
状态:CLIENT UPDATE PROHIBITED
Name Server:ns1.chemtrek.net(70.84.78.130)
ns2.chemtrek.net(70.84.78.131)
Whois Server:org.whois-servers.net

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Domain ID:D2407176-LROR

Domain Name:CHEMDEX.ORG

Created On:12-Nov-1998 05:00:00 UTC

Last Updated On:12-Oct-2010 05:08:00 UTC

Expiration Date:11-Nov-2011 05:00:00 UTC

Sponsoring Registrar:Tucows Inc. (R11-LROR)

Status:CLIENT TRANSFER PROHIBITED

Status:CLIENT UPDATE PROHIBITED

Registrant ID:tupZ7us5tgxFdoMi

Registrant Name:WebElements Ltd

Registrant Organization:WebElements Ltd

Registrant Street1:113 Manchester Road

Registrant Street2:Tapton Rise House

Registrant Street3:

Registrant City:Sheffield

Registrant State/Province:South Yorkshire

Registrant Postal Code:S105DH

Registrant Country:GB

Registrant Phone:+44.11426651

Registrant Phone Ext.:

Registrant FAX:+44.11426651

Registrant FAX Ext.:

Registrant Email:webelements

Admin ID:tugoDysgeKyMU9Xl

Admin Name:University of Sheffield

Admin Organization:University of Sheffield

Admin Street1:Department of Chemistry

Admin Street2:

Admin Street3:

Admin City:Sheffield, S3 7HF

Admin State/Province:

Admin Postal Code:99999

Admin Country:GB

Admin Phone:+1.44114222

Admin Phone Ext.:

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Admin FAX Ext.:

Admin Email:webelements

Tech ID:tucZpuDlYdgCx60m

Tech Name:University of Sheffield

Tech Organization:University of Sheffield

Tech Street1:Academic Computing Services

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Tech City:Sheffield S10 2TN

Tech State/Province:

Tech Postal Code:99999

Tech Country:GB

Tech Phone:+1.44114282

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Tech Email:r.gilbert@sheffield.ac.uk

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Name Server:ns2.chemtrek.net

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Chemdex | The Sheffield Chemdex: the directory of chemistry on the WWW since 1993
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Title:Chemdex | The Sheffield Chemdex: the directory of chemistry on the WWW since 1993
Description:
Keywords:r
Body:
Chemdex | The Sheffield Chemdex: the directory of chemistry on the WWW since 1993
ChemdexThe Sheffield Chemdex: the directory of chemistry on the WWW since 1993
Search this site:
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Who's online
There is currently 1 user and 1 guest online.Online usersChemdex
The Sheffield Chemdex: the directory of chemistry on the WWW since 1993
Chemdex status
The software used for the earlier version of Chemdex packed in totally after a server update and so the update planned for summer 2009, which is not finished, is here now. The bad news is most of the links are not yet in the system, but will appear slowly in the next few weeks. The good news is the links get checked automatically now and therefore the link fail rate of some 25% on the old system will be well under 5% or so and should stay at that level.
Keeping web site links up to date is a problem for any directory site, as you may have spotted on this and other chemistry directories. Hopefully the new system (the wonderful open-source Drupal) will do a lot of the updating, so benefiting all of us.
Searching for sites is improved vastly using the new "facetted search" system being built to the right. It allows you to refine searches based on key words in a comfortable sort of way. You can also search on words as well
For the moment I am not accepting link suggestions. A number of new features are planned. More soon.
It is very poor form to label web sites as "under construction", so for the moment Chemdex is a work in progress.
The Orbitron: a gallery of atomic orbitals and molecular orbitals
The Orbitron: a gallery of atomic orbitals and molecular orbitals on the WWW
Images representing atomic orbitals and molecular orbitals
Animated plots of wave functions
Animated plots of electron density
"Dot-density" plots of electron density
Plots of radial distribution functions
Website address:
The Orbitron
Tags:Learning resource
England
Atomic structure
WebElements
WebElements: home of the periodic table on the web. WebElements™ aims to be a high quality source of information on the WWW relating to chemistry and the periodic table. Coverage is such that professional scientists and students at school will all find something useful. Currently most information is about the elements themselves but the scope of WebElements will expand to include more information about compounds as well in the future.
Website address:
WebElements periodic table
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Elements
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© 1993-2010 Mark Winter
Chemdex.org is located at the Department of Chemistry, University of Sheffield, England

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