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	<title>Lei Zhou's Blog</title>
	<link>http://www.zhoulei.info</link>
	<description>All about my interests including: Chemistry &#38; Materials, Computer &#38; Internet and Stock &#38; Forex</description>
	<lastBuildDate>Sat, 26 Jan 2008 10:46:30 +0000</lastBuildDate>
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	<language>en</language>
	
	<item>
		<title>Chemicals Catalog Databases: an Overview and Evaluation</title>
		<description><![CDATA[Commercial 
CHEMCATS
CHEMCATS (Chemical Catalogs Online) is produced by Chemicals Abstract Service (CAS) and can be searched through the SciFinder, SciFinder Scholar, STN (STN Express, command-line driven STN Messenger language), STN on the Web, and STN Easy interfaces.
Available Chemicals Directory
The Available Chemicals Directory may be called “the mother of all catalog databases”,It is now produced by [...]]]></description>
		<link>http://www.zhoulei.info/2008/01/26/chemicals-catalog-databases-an-overview-and-evaluation/</link>
			</item>
	<item>
		<title>Superhydrophobicity and Superhydrophilicity</title>
		<description><![CDATA[

The above photo is from Internet
Definitions:
Theories:
Young Equation
Wenzel Equation
Applications:
Microfluidic applications in biotechnology:
Flat glass:
Notes:
&#8220;The chemical modification of surface forces alone can typically lead to water contact angles of up to 120o by using fluoropolymeric coatings or silane layers, but not more.  To reach the extreame values of the contact angle near 180o, a second ingredient has [...]]]></description>
		<link>http://www.zhoulei.info/2008/01/24/superhydrophobicity-and-superhydrophilicity/</link>
			</item>
	<item>
		<title>Lab water classification</title>
		<description><![CDATA[
Ultrapure Type I Water
High purity water used for your most critical applications in the  laboratory. Multiple water purification technologies further purify RO, DI, or  distilled feed to produce water with virtually undetectable levels of organics,  inorganics, particulates, microbes, and biologicals including nucleases.
Primary Type II Grade Water
Water that can be used with confidence [...]]]></description>
		<link>http://www.zhoulei.info/2008/01/18/lab-water-classification/</link>
			</item>
	<item>
		<title>Grades of Chemicals</title>
		<description><![CDATA[
&#8220;General

Reagent A.C.S. - This designates a high quality chemical for laboratory use. The abbreviation &#8220;A.C.S.,&#8221; means the chemical meets the specifications of the American Chemical Society. A Certificate of Analysis is available upon request.
Guaranteed Reagent (GR) - Suitable for use in analytical chemistry, products meet or exceed American Chemical Society (ACS) requirements where applicable. (EMD [...]]]></description>
		<link>http://www.zhoulei.info/2008/01/17/grades-of-chemicals/</link>
			</item>
	<item>
		<title>Some knowledge about electronical fuses</title>
		<description><![CDATA[Article from Wikipedia http://en.wikipedia.org/wiki/Fuse_%28electrical%29
Fuse bible from The fuse warehouse http://www.thefusewarehouse.com/frames/fuses_options_index.html 
&#8220;1. Electronic European Fuse Markings from the Fuse Warehouse



Marking
Fuse Element Characteristic


FF or UR
Very Fast Acting, Semiconductor Protection Fuse


F
Fast Acting Fuse


M
Medium Acting Fuse


T or 
Slow Acting Fuse


TT
Very Slow Acting Fuse


L
Low Breaking Capacity


H
High Breaking Capacity


2. Industrial European Fuse Markings from the Fuse Warehouse



Marking: gL, gG, gB, gTr,  [...]]]></description>
		<link>http://www.zhoulei.info/2008/01/17/some-knowledge-about-electronical-fuses/</link>
			</item>
	<item>
		<title>An unsuccessful attempt to fix a Branson 1510 ultrasonic bath</title>
		<description><![CDATA[Recently, a Branson 1510 ultrasonic bath was out of work. It was bought about 1 year ago. I thought it is some kind of fuse problem. But when I opened it and replaced the fuses. I found I was wrong. As It was connected with an electronic socket on wall, fuses melt again. Anyway, I [...]]]></description>
		<link>http://www.zhoulei.info/2008/01/17/an-unsuccessful-attempt-to-fix-a-branson-1510-ultrasonic-bath/</link>
			</item>
	<item>
		<title>LockBox Computing: 25 Free Tools To Encrypt Literally Everything</title>
		<description><![CDATA[25 Free Tools To Encrypt Literally Everything
A very good article talking about making your system security.
It’s not breaking news that hackers can easily figure out how to gain access to unsecured information on your system–emails, chat sessions, phone calls, and files are all vulnerable. What many people don’t know is that there are a number [...]]]></description>
		<link>http://www.zhoulei.info/2007/10/14/lockbox-computing-25-free-tools-to-encrypt-literally-everything/</link>
			</item>
	<item>
		<title>Let statusbar visible in situation of full screen</title>
		<description><![CDATA[1, Install Stylish, a extension for Firefox.
2, Go to http://userstyles.org/styles/1809, install a style for Stylish. Make sure you do not forbid javascript for this site.
Then all done.
]]></description>
		<link>http://www.zhoulei.info/2007/10/14/let-statusbar-visible-in-situation-of-full-screen/</link>
			</item>
	<item>
		<title>Thermal Paste and How to use it</title>
		<description><![CDATA[http://reference.techpowerup.com/Thermal_Paste_and_How_to_use_it
Gave  a very detailed introduction to thermal paste and its function.
http://forums.legitreviews.com/about2713.html
Teach you how to use thermal paste to take the place of thermal pad in laptop, decreasing the temperature of CPU and GPU
]]></description>
		<link>http://www.zhoulei.info/2007/09/01/thermal-paste-and-how-to-use-it/</link>
			</item>
	<item>
		<title>Operating Procedure for CM200 TEM</title>
		<description><![CDATA[   Obtain an Image:

     Start Up &#8212; Liquid Nitrogen; High Tension; Filament (3.8)
     Beam Alignment (without a specimen in the holder or without inserting the     holder) &#8212; 17,500x

       Gun Tilt (Maximise brightness of incident beam) [...]]]></description>
		<link>http://www.zhoulei.info/2007/08/28/operating-procedure-for-cm200-tem/</link>
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