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April 10th, 2012 at 5:01 pm

Classification of cryptanalysis’s information


One of important thing in cryptanalysis is to collect and analyze what could be a clue. so it is valuable before do that analysis we aware about those classification, this is the Classification of information in the process of cryptanalysis:
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Tags: cracking, cryptography, file hacking, hacking, steganography
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April 8th, 2012 at 1:00 pm

Cross site Request Forgery attack (CSRF Attack)

CSRF vulnerabilities have been known since 1990 in some cases threaten the exploitation and remain to this day along with the spread of a variety of websites with technologies and features of each.
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Tags: cracking, CSRF, hacking, website, website security
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November 12th, 2011 at 1:17 pm

Nikon D5100 full review

D5100,D5100 VR,Nikon D5100 spesification

Nikon D5100 is the newest DSLR camera from nikon which developed from the previous version, Nikon D5000.The Nikon D5100 is placed in a entry level digital single lens reflect camera which means it’s suitable for everyone who want to learn much about fotografy using DSLR without spend a lot of money, most people said this camera’s price is very worthy due to its own feature. Continue Reading »

Tags: camera, camera review, D5100 spesification, DSLR, DSLR review, Nikon, Nikon D5100
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February 7th, 2011 at 12:05 pm

7 simple SEO Tips For Small Business

Today online business popularity is getting rise, not only the participant that rising, but also the income or benefit of each participant is rising too, in a past time, the business owners only view the virtual world as the second way to promote their business, but at this moment, not a little of them convert their business to online business.

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Tags: Ecommerce Website, online business, Search Engine Optimization, SEO, website marketing
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September 5th, 2010 at 2:35 pm

Sony Ericsson XPERIA X10

sony ericsson X10,xperia,sony ericsson,sony ericsson Xperia X10

The Sony Ericsson XPERIA X 10 feature includes a 8.1 Megapixels digital camera, Android operating system and a powerful Qualcomm Snapdragon processor 1 GHz. it is also a nice phone for viewing photos and video files because it has a large 4-inch capacitive touch screen.


The XPERIA X 10 size 119 x 63 x 13 mm. because of the large touchscreen, isn’t the world’s smallest phone and is extremely slimline for a phone that long list spesification.


As already mentioned, measuring 4 inches screen and gives great viewing quality on-screen images due to a pixel layout of 480 x 854 with the ability to display up to 65,000 colors. The screen is protected from everyday wear because it has the scratch-resistant surface and also has an accelerometer sensor that automatically rotates the contents of the screen depending on the orientation of the phone. This makes it perfect for full-screen view photos and video.

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Tags: camera phones, multimedia phones, sony ericsson, Xperia
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September 4th, 2010 at 3:38 pm

Compact heat exchangers classification

Compact elements usually fall into some classes including:

1. Array or matrix surfaces. These are the surfaces that are used in regenerative equipment rotation, such as the burning flue gas – air pre heaters for fossil conventional ovens. In this application, the metal is distributed to its capacity to absorb heat with minimal friction hot fluid while exposed to smoke and to dispense with this cold combustion heat incoming air when it is rotated in the flow of incoming cold air. No designation is used.

2. flattened and circular tubes. These are the simplest form of compact heat exchanger surface. The designation ST indicates flow inside pipes straight (example: ST-1), FRANCE TÉLÉCOM indicates flow inside pipes flattened straight (example: FT-1) and FTD indicates flow inside straight tubes dimpled flattened. Dimple stops the boundary layer, which tends to increase the heat transfer coefficient without increasing the speed of the stream.

3. Plate fin surfaces.

4. Finned-tube surfaces. Circular Tubes with radial spiral fins are designated with the letters CF followed by one or two numbers. The first digit indicates the number offins per inch and the second (ifone is used) refers to the nominal pipe size. With circular tubes with fins continuous, is not used any prefix letter and two numbers have the same meaning as for circular tubes with radial ins spiral. For finned tubes of dishes, do not use any prefix letter; the first digit indicates the fins per inch and the second digit indicates the largest dimension of the tube. When CF don’t appear in the designation of the circular tube with fins radial spiral, the surface shall be presumed to have fins continuous.

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Tags: heat, heat exchanger
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