Flocculation is when microscopic particles bind together to form larger particles in liquids. It occurs naturally or artificially in water as well as other solutions. Flocculation is used in applications such as water purification, sewage treatment, cheese production, and brewing. It is also used in surface and physical chemistry, biology, and civil engineering. The term “flocculation” generally refers to an actual effect while the term “flocculant” describes a chemical or substance that promotes flocculation and usually has a positive charge. How Flocculation Works Flocculation occurs when small particles in a Read More
Automated Cron Backup Throught Email Program to automate the backup of the MySQL database & file directory, and send the backup data files to an offsite destination for safe storage through email. Works with Joomla!, Mambo, PostNuke, WordPress & etc. SyncBackSE Great Benefits – SyncBackSE allows you to copy locked/open files, enjoy the benefits of a great FTP engine, and speed through backups using the 'Fast Backup' option. Easy and Expert Modes – SyncBackSE has both an Easy and Expert mode that makes it perfect for both beginners and power Read More
Intersymbol interference is a signal distortion in telecommunication. One or more symbols can interfere with other symbols causing noise or a less reliable signal. The main causes of intersymbol interference are multipath propagation or non-linear frequency in channels. This has the effect of a blur or mixture of symbols, which can reduce signal clarity. If intersymbol interference occurs within a system, the receiver output becomes erroneous at the decision device. This is an unfavorable result that should be reduced to the most minimal amount possible. Error rates from intersymbol interference Read More
Social networking websites distract students at school much like how they distract employees at work, so many schools block Facebook on their computers. However, students can still access Facebook while at school by using a proxy server that the school’s network has not disabled. What is a Proxy Server? A proxy server is one that reroutes browsing activity through its own hardware, hides the user’s IP address, and allows the user to access websites that have been blocked or disabled on his/her own network. Though a school’s network may Read More
Affiliate programs are a way to make money with your website without actually selling anything. Affiliate programs enable the webmaster (publisher) to display advertisements and be paid for doing so. Types of Affiliate Programs There are three types of affiliate programs: Pay Per Impression (PPI) Pay Per Click (PPC) Commission Pay Per Impression (PPI) Affiliate Programs Pay Per Impression (PPI) affiliate programs pay the webmaster (publisher) a very small amount of money each time a user sees an advertisement. Pay Per Impression (PPI) programs have become significantly less popular with Read More
Though most Kindle batteries last for several years, it is still possible that a Kindle may still need a battery change. Check the battery life meter on the Kindle before ordering a new battery and be sure not to mistake the signal strength meter for the battery life meter. Many users find the meters easily confusable as they are both located at the bottom right of the Kindle screen. Some common reasons for needing to change a Kindle’s battery include: Frequent recharging due to heavy use, which shortens battery life. Read More
To change your Unix password, use the `passwd` command. Unless you are the “root” user, you will need to know your current password to set a new one. If you have forgotten your current password, you will need to contact the “root” user to have your password reset. Here is an example of the user “will” changing his Unix password: $ passwd Changing local password for will Old Password: New Password: Retype New Password:
The WMA (Windows Media Audio) file format is a proprietary file format created by the Microsoft Corporation for the storage and playback of audio files. The WMA format is part of the greater Windows Media framework and actually consists of four variants to include WMA, WMA Pro, WMA Lossless, and WMA Voice. The most common format encountered by consumers is WMA for storage of music or audio book files. The WAV (Waveform audio format) file type was created by Microsoft and IBM in order to store audio bit streams across Read More
Code Division Multiple Access (CDMA) is a channel transmission standard that allows several transmitters to send information simultaneously over a single communication channel. This ensures that the available bandwidth is used in an optimized manner. It is a form of multiplexing and is used for wireless communication. Radio communication makes use of two resources: frequency and time. If individual frequencies are allocated part of the spectrum all within the band all of the time, the result is Frequency Division Multiple Access (FDMA). If the same frequency channel is shared by Read More
Share on: