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	Cracking - Wikipedia, the free encyclopedia
		Cracking is the formation of a crack, a fracture or partial fracture (breaking) in a solid material.
		Cracking knuckles is the practice of manipulating one's fingers such that the knuckle joints produce a sharp sound, likened to cracking.
		Cracking can be defined as the act of entering a computer or computer network by force, where hacking is the act of manipulating one's way through a computer or computer network.
	en.wikipedia.org /wiki/Cracking (224 words)

	Cracking (chemistry) - Wikipedia, the free encyclopedia
		The "spent" catalyst is disengaged from the cracked hydrocarbon vapors and sent to a stripper where it is contacted with steam to remove hydrocarbons remaining in the catalyst pores.
		The thermal cracking process follows a homolytic mechanism, that is, bonds break symmetrically and thus pairs of free radicals are formed.
		The catalytic cracking process involves the presence of acid catalysts (usually solid acids such as silica-alumina and zeolites) which promote a heterolytic (asymmetric) breakage of bonds yielding pairs of ions of opposite charges, usually a carbocation and the very unstable hydride anion.
	en.wikipedia.org /wiki/Cracking_(chemistry) (1737 words)

	Software cracking - Wikipedia, the free encyclopedia
		Distribution of cracked software ("warez"), or patches to circumvent software protection on software (commonly known as "cracks") is generally an illegal (or more recently, criminal) act of copyright infringement.
		The non trivial part of cracking resides in the fact that cracking often have to be done at the assembly level.
		Once the technical competition had expanded from the challenges of cracking to the challenges of creating visually stunning intros, the foundations for a new subculture known as demoscene were established.
	en.wikipedia.org /wiki/Software_cracking (1114 words)

	Concrete Technology \| Frequently Asked Questions (FAQs): Cracking \| Portland Cement Association (PCA)
		Cracking can be the result of one or a combination of factors, such as drying shrinkage, thermal contraction, restraint (external or internal) to shortening, subgrade settlement, and applied loads.
		Cracking can be significantly reduced when the causes are taken into account and preventative steps are utilized.
		The width and depth of cracks depends upon the temperature differential, physical properties of the concrete, and the reinforcing steel.
	www.cement.org /tech/faq_cracking.asp (881 words)

	CFA: Concrete Cracking
		Cracks can be unsightly but many consumers feel that if a crack develops in their wall or floor that the product has failed.
		In the case of a wall, if a crack is not structural, is not too wide (the acceptable crack of a crack depends on who you ask and ranges from 1/16” to 1/4”) and is not leaking water, it should be considered acceptable.
		Cracks that occur before hardening usually are the result of settlement within the concrete mass, or shrinkage of the surface (plastic-shrinkage cracks) caused by loss of water while the concrete is still plastic.
	www.cfawalls.org /foundations/cracking.htm (1015 words)

	Encyclopedia :: encyclopedia : Cracking (Site not responding. Last check: 2007-09-20)
		Password cracking is the process of recovering secret passwords from data that has been stored in or transmitted by a computer system, typically, by repeatedly verifying guesses for the password.
		The purpose of password cracking might be to help a user recover a forgotten password (though installing an entirely new password is less of a security risk), to gain unauthorized access to a system, or as a preventive measure by the system administrator to check for easily crackable passwords.
		Any 'cracking' technique of this kind is considered successful if it can decrypt the password in fewer operations than would be required by a brute force attack (see below).
	www.hallencyclopedia.com /Cracking (2211 words)

	Security cracking - Wikipedia, the free encyclopedia
		In the context of computer networking, cracking (also called fl-hat hacking, or hacking) is the act of compromising the security of a system without permission from an authorized party, usually with the intent of accessing computers connected to the network.
		(The somewhat similar activity of defeating copy protection devices in software with the intent of using the software illegally is addressed at software cracking.) The term 'cracker' seems to have developed from 'hacker,' with a connotation of forcibility in addition to cleverness.
		Cracking techniques can vary from using advanced programming skills and social engineering to utilizing software developed by others without understanding how the cracking software works.
	www.encyclopedia-online.info /Cracker_(computing) (202 words)

	Cracking (chemical) - Search Results - MSN Encarta
		Cracking (chemical), chemical process by which a chemical compound, usually organic, is broken down or cracked into simpler compounds.
		Ethene is a common chemical produced by cracking alkanes that have high boiling points.
		Crack, flaw in a material in the form of a sharp-ended hole, either at the surface or inside the material.
	uk.encarta.msn.com /Cracking_(chemical).html (111 words)

	Cracking (Site not responding. Last check: 2007-09-20)
		If cracking is experienced in rings cast with United Deoxidized Sterling Silver alloys exactly on the sprue junction of the cast rings it is usually due to the investment mix being too hard.
		The cracks are often hairline and may not be noticed until inspection of the castings.
		To resolve the cracking at the sprue junction problem a higher water ratio should be used in the investment mix.
	www.unitedpmr.com /cracking.htm (247 words)

	GeodSoft How-To: Cracking Passwords Techniques (Site not responding. Last check: 2007-09-20)
		Both Crack 5 and John the Ripper allow the user to define rule sets that control the transformations that are applied to the input dictionaries (word lists).
		When cracking passwords from UNIX systems, the cracking tool must be configured to use the appropriate encryption algorithm for the system being cracked.
		This step may, however, be overlooked by the cracker, and a cracking tool using an algorithm that does not match that used to create the password hashes, will never find any passwords, regardless of the size of the dictionary and the number of transformations attempted.
	geodsoft.com /howto/password/cracking_passwords.htm (2799 words)

	EDC Cracking
		Commercial EDC crackers operate at gauge pressures of 1.4-3.0 MPa (200-435 psig) and at temperatures of 475-525°C. EDC conversion per pass is normally maintained at 53-63%, with a residence time of 2-30 sec.
		Cracking reaction selectivity to vinyl chloride of >99% can be achieved at these conditions.
		Cracking furnace effluent must be quenched, or cooled rapidly, to keep coking at a minimum.
	www.oxyvinyls.com /TECHNOLOGY/edc_cracking.htm (190 words)

	Cat Cracking
		The catalysts used in refinery cracking units are typically solid materials (zeolite, aluminum hydrosilicate, treated bentonite clay, fuller's earth, bauxite, and silica-alumina) that come in the form of powders, beads, pellets or shaped materials called extrudites.
		This cracking continues until the oil vapors are separated from the catalyst in the reactor cyclones.
		The catalyst is in the form of pellets that are moved continuously to the top of the unit by conveyor or pneumatic lift tubes to a storage hopper, then flow downward by gravity through the reactor, and finally to a regenerator.
	www.setlaboratories.com /cat.htm (1073 words)

	clayart - subject 'techniques - cracking' (Site not responding. Last check: 2007-09-20)
		strange bisque cracks - was it the humidity?
		cracks and fissures in large unfunctional works and repairing
		cracked lids from the hump or "s" cracks
	www.potters.org /category173.htm (217 words)

	cracking alkanes - thermal and catalytic
		Cracking is the name given to breaking up large hydrocarbon molecules into smaller and more useful bits.
		The zeolites used in catalytic cracking are chosen to give high percentages of hydrocarbons with between 5 and 10 carbon atoms - particularly useful for petrol (gasoline).
		In thermal cracking, high temperatures (typically in the range of 450°C to 750°C) and pressures (up to about 70 atmospheres) are used to break the large hydrocarbons into smaller ones.
	www.chemguide.co.uk /organicprops/alkanes/cracking.html (662 words)

	Fossils into fuels. Changing hydrocarbon molecules
		This is called thermal cracking, because heat is used.
		The main use of catalytic cracking in a refinery is to convert surplus fuel into gasoline and diesel fuels which would otherwise be in shortage
		Ethene is a hydrocarbon with a double bond, which is used as a feedstock to make polythene and many other petrochemicals, such as agrochemicals, detergents, fibres and fabrics, solvents and paints, cosmetics and medicines, etc. The other product in this reaction is an alkane called octane, used in petrol.
	www.schoolscience.co.uk /content/4/chemistry/fossils/p9.html (451 words)

	Joint Cracking...Fact & Fiction - Arthritis and arthritic conditions, medications, and treatment on MedicineNet.com (Site not responding. Last check: 2007-09-20)
		Painless cracking of joints is as a rule not harmful.
		Joint "cracking" can result from a negative pressure pulling nitrogen gas temporarily into the joint, such as when knuckles are "cracked." This is not harmful.
		If cracking is accompanied by pain, there could be underlying abnormalities of the structures of the joint, such as loose cartilage or injured ligaments.
	www.medicinenet.com /script/main/art.asp?articlekey=12915 (260 words)

	MD5 crack (Site not responding. Last check: 2007-09-20)
		At the moment we can crack md5 hashes in this character range: a-z;0-9 [8] which means we can break almost all hashes (99.56%) which are created from lowercase plaintext with letters and/or digits up to length of 8 characters.
		This project is using RainbowCrack technology, which is based on Philippe Oechslin's faster time-memory trade-off technique to crack the md5 hashes.
		And the RainbowCrack's (http://www.antsight.com/zsl/rainbowcrack/) cracking part (rcrack) is consuming quite a lot of CPU resources so the machine is becoming unusable for other things on slower computers.
	passcracking.com (531 words)

	Cracking Passwords
		Cracking Passwords is an important part of a network security assessment.
		Cracking Passwords as one of the key components in performing a security assessment is the acquisition of user account information and cracking of the account password.
		Shortly after cracking all the accounts we were able to use their remote access system to gain entry into their internal network as an administrator.
	www.windowsecurity.com /whitepapers/Cracking-Passwords.html (965 words)

	Method Of Cracking a Trial Version Software (Site not responding. Last check: 2007-09-20)
		Cracking is a process of changing the code of a executable program to make it work the way we want.
		Cracking is generally used by programmers to remove the limitations, forced upon the users by some software.
		The first step in cracking involves the conversion of the executable file(i.e file with.exe extension) into the assembly language mnemonics file.
	www11.brinkster.com /encryptedhearts/Techie/Crack.asp (579 words)

	Materials Failure Analysis, and Stress Corrosion Cracking
		Stress corrosion cracking is a failure mechanism that is caused by environment, susceptible material, and tensile stress.
		For stress corrosion cracking to occur all three conditions must be met simultaneously.
		The component needs to be in a particular crack promoting environment, the component must be made of a susceptible material, and there must be tensile stresses above some minimum threshold value.
	www.materialsengineer.com /CA-scc.htm (250 words)

	Review: Cracking the Conspiracy
		Cracking the Conspiracy is a 3D adventure game consisting of over 3,000 still images, 358 animations, and various characters that you can converse with.
		Conversation is done the old fashioned way via typing your responses on the keyboard, but the mouse is used for all navigation and puzzles.
		Cracking the Conspiracy ships on one disc and plays directly from your CD drive.
	www.justadventure.com /reviews/Cracking/Cracking_Review.shtm (1088 words)

	The Nut Factory : Kitchen : Interesting Facts : Cracking Nuts (Site not responding. Last check: 2007-09-20)
		These native American nuts are one of the toughest nuts to crack.
		In general, hard to shell nuts crack easier, with less breakage of the nut meats, it frozen first.
		Once frozen, crack well-dried nuts with a hammer or block of wood or any other heavy object that does the job.
	www.thenutfactory.com /kitchen/facts/facts-cracking-nuts.html (429 words)

	Knuckles Toes Ankles Neck Spine Joint Cracking Community
		Although the actual process of cracking a knuckle may take only a few milliseconds, the relief that some people feel from it is palpable.
		And then when a finger is accidentally bent too far back and cracks, these people scream in subdued pain and disgust as if cracking one's knuckles is a terrible thing to let happen.
		For each joint that cracks one has to wait around ten minutes before the next time it can be cracked, but the longer you wait the better the crack.
	www.jointcrackers.com (1652 words)

	How Oil Refining Works by Craig C (Site not responding. Last check: 2007-09-20)
		Cracking takes large hydrocarbons and breaks them into smaller ones.
		When the process is done, a heavy, almost pure carbon residue is left (coke); the coke is cleaned from the cokers and sold.
		After various hydrocarbons are cracked into smaller hydrocarbons, the products go through another fractional distillation column to separate them.
	www.tstctech.com /Refining/Chemical_processing.htm (459 words)

	5th Conference on Weld Cracking
		The potential for delayed weld cracking is controlled by three factors: the presence of hydrogen, the susceptibility of the weldment microstructure, and tensile stresses.
		It will discuss metallurgical conditions for cracking and practical means for crack prevention in stainless steel welds, including ferrite control of welding consumables, and preheating and heat treatment requirements for duplex and martensitic stainless steel alloys.
		The main causes of cracking are hydride precipitation, interstitial embrittlement, and stress corrosion.
	www.aws.org /conferences/weldcracking (3001 words)

	What is a Refinery? (Site not responding. Last check: 2007-09-20)
		A cracking unit consists of one or more tall, thick-walled, bullet-shaped reactors and a network of furnaces, heat exchangers and other vessels.
		Cracking and coking are not the only forms of conversion.
		The process, which essentially is cracking in reverse, takes place in a series of large, horizontal vessels and tall, skinny towers that loom above other refinery structures.
	www.chevron.com /products/learning_center/refinery (1160 words)

	Cracking
		For this research project I have adopted to use “clan” as the nomenclature for referring to these cracking groups. These clans give themselves a name and develop an entire little community of people. They try to be the first to come out with a crack to a video game and distribute them.
		The difference between warez and cracks is that a crack implies the actual crack breaks the software anti-pirate protection.
		Consequently, any form of hacking has come under scrutiny and this includes the hacking (cracking) of video games. The media has caught on and hyped the hacker as an enemy of the people. The hacker, according to mainstream culture, is anti-social and seeks to undermine the very fabric of society.
	transcriptions.english.ucsb.edu /curriculum/lci/magazine/s_02/eric/Cracking_final.htm (1519 words)

	[No title]
		But it really is a well-drawn line between those who crack their knuckles and those who detest the habit.
		As a result, a bubble of carbon dioxide gas is released inside the bag and a cracking noise is produced.
		After you '"crack" or "pop" your knuckles, or any other joint in your body, it takes 10-15 minutes for the carbon dioxide to re-dissolve into the fluid.
	www.sixwise.com /newsletters/05/10/26/does_cracking_your_knuckles_really_cause_arthritis.htm (837 words)

	HackersCatalog.com. Cracking Software!
		Cracking Tools section includes an assortment of the best underground cracks for defeating software security.
		These cracks, patches and key-gens contain the code to crack the protection schemes of thousands of programs.
		Crack Programs and Tools: Powerful programs and tools allow you to defeat the infamous "Date Checks" and expiration date checks on trial version software.
	www.hackerscatalog.com /Products/CD-ROMS/Cracking_Software.html (652 words)

	Definition of crack - Merriam-Webster Online Dictionary
		an opponent's courage> b : to destroy the tone of (a voice) c :
		7 a (1) : to subject (hydrocarbons) to cracking (2) : to produce by cracking gasoline> b : to break up (chemical compounds) into simpler compounds by means of heat
		- crack the whip : to adopt or apply an authoritative, tyrannical, or threatening approach or policy (as in demanding harder work from employees)
	www.m-w.com /dictionary/cracking (290 words)

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