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Topic: Strain

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Strain gauge

Yield strength

Stress (physics)

Strength of materials

Toughness

Plasticity (physics)

Solid mechanics

Deformation

Sprain

Virtual work

Stress

Series expansion

Shear stress

Porosity

Compressive stress

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	Center for Carpal Tunnel Syndrome, Repetitive Strain Injury and Trigger Finger
		Center for Carpal Tunnel Syndrome, Repetitive Strain Injury and Trigger Finger
		Carpal tunnel syndrome is a painful condition that is characterized by pain, numbness, tingling and paresthesia.
		Repetitive strain injuries, including the most recognizable disorder known as carpal tunnel syndrome, are still here in the 2007 despite the so-called “ergonomic age”.
	www.repetitive-strain.com (106 words)

	OMEGA ENGINEERING - Strain Gage Technical Data
		Several types of strain gages depend on the proportional variance of electrical resistance to strain: the piezoresistive or semi-conductor gage, the carbon-resistive gage, the bonded metallic wire, and foil resistance gages.
		The resistance of a strain gage is defined as the electrical resistance measured between the two metal ribbons or contact areas intended for the connection of measurement cables.
		The strain sensitivity k of a strain gage is the proportionality factor between the relative change of the resistance.
	www.omega.com /techref/strain-gage.html (1135 words)

	Strain Gages - Omega
		A Strain gage (sometimes refered to as a Strain Gauge) is a sensor whose resistance varies with applied force; It converts force, pressure, tension, weight, etc., into a change in electrical resistance which can then be measured.
		The strain gage is one of the most important tools of the electrical measurement technique applied to the measurement of mechanical quantities.
		The metallic foil-type strain gage consists of a grid of wire filament (a resistor) of approximately 0.001 in.
	www.omega.com /prodinfo/StrainGages.html (677 words)

	MGI 3.51 - Rules for Nomenclature of Mouse and Rat Strains Revised: Jan 2005
		Strains containing targeted mutations in ES cells that are then crossed to, and maintained, on the same inbred substrain from which the ES cells were derived can be regarded as coisogenic, but the possibility of mutations elsewhere should be considered.
		This mouse strain segregates for the tyrosinase alleles albino (Tyr
		A strain with the nuclear genome of C57BL/6J and the cytoplasmic (mitochondrial) genome of BALB/c.
	www.informatics.jax.org /mgihome/nomen/strains.shtml (4479 words)

	Strain Gages System Sensors, NMB Technologies
		Strain gage size, grid design, thermal conductivity of bonding material and adhesive as well as the "heat-sink" capability of element to which these are attached place a practical limit on current carrying capacity of the strain gage.
		Use of a "dummy" gage when a strain gage with preferred temperature compensation is not available or when there is room for only one sensing gage is dictated by available space, can improve the temperature sensitivity of the overall sensor.
		The strain range or maximum allowable percentage elongation of strain gage is determined by degree of anneal of the foil, geometry of the strain sensing grid and the elastic properties of the strain gage backing and the adhesive used.
	www.nmbstraingages.com /selectinggages.html (846 words)

	Texas Measurements, Inc. --What is Strain
		The strain gage is then used for strain measurement by bonding it to the surface of the specimen with a special adhesive.
		Strain generated in the specimen is transmitted to the gage (foil or wire resistor) through the gage backing, where expansion or contraction occurs.
		Assuming the value R as R=R1=R2=R3=R4, and that the strain gage resistance varies from R to R+?R due to the induced strain, the output voltage ?e due to the strain is given as follows.
	straingage.com /strain_gage/what_strain.php (664 words)

	Hamstring Injury, Hamstring Strain, Treatment and Rehabilitation
		A strain or tear in a muscle often results from an overload of the muscles or trying to move the muscles too fast.
		Strains are common in all sports especially ones where sprinting is involved.
		Strains are graded 1, 2 or 3 depending on severity.
	www.sportsinjuryclinic.net /cybertherapist/back/hamstrings/hamstringstrain.htm (490 words)

	AN OUTLINE OF STRAIN THEORY
		Strain theory has been an ever present in sociological considerations of deviance for over a century; from, Durkheim(1897) to Messner and Rosenfeld (1994).
		Merton's Strain Theory is a "means-end theory of deviance" crime breeds in the gap between culturally induced aspirations for economic success and structurally distributed possibilities of achievement.
		Strain for Cohen is therefore not structural, but interpersonal, located at the level of group interaction.
	www.homestead.com /rouncefield/files/a_soc_dev_19.htm (1167 words)

	Strains and Sprains Are a Pain
		Because a strain is pain in the muscle, it may start to hurt immediately or several hours later.
		Strains often happen when you put a lot of pressure on a muscle or you push it too far, such as when lifting a heavy object.
		Strains may be more likely to happen if you haven't warmed up first to get blood circulating to the muscles.
	kidshealth.org /kid/ill_injure/aches/strains_sprains.html (847 words)

	Strains and Sprains Are a Pain
		Because a strain is pain in the muscle, it may start to hurt immediately or several hours later.
		Strains often happen when you put a lot of pressure on a muscle or you push it too far, such as when lifting a heavy object.
		Strains may be more likely to happen if you haven't warmed up first to get blood circulating to the muscles.
	www.kidshealth.org /kid/ill_injure/aches/strains_sprains.html (847 words)

	Engineering Stress-strain Curve
		The strain used for the engineering stress-strain curve is the average linear strain, which is obtained by dividing the elongation of the gage length of the specimen, d, by its original length.
		Since both the stress and the strain are obtained by dividing the load and elongation by constant factors, the load-elongation curve will have the same shape as the engineering stress-strain curve.
		With increasing sensitivity of strain measurement, the value of the elastic limit is decreased until at the limit it equals the true elastic limit determined from micro strain measurements.
	www.key-to-metals.com /Article107.htm (1626 words)

	Strain Theories in Criminology (Site not responding. Last check: 2007-11-05)
		Durkheim's theory of anomie is the basis for strain theory, at least in so far as "anomie" is translated as "deregulation." It should be noted that control theorists also trace their inspiration to Durkheim, and have translated "anomie" as "normlessness." Durkheim's influence has been extremely broad in criminology and sociology.
		Strain theory has fairly consistently captured the imagination of criminologists for over a century, and may well be the most theoretically explored area of criminology.
		Strain for Agnew is neither structural nor interpersonal, but emotional, involving a breakdown of beliefs in the role others play for expectations about normally occuring events (Mizruchi and Perrucci 1962).
	faculty.ncwc.edu /TOConnor/301/301lect09.htm (6408 words)

	Neck Strain
		By definition, neck strain injuries do not involve serious injury to any of these vital structures and also are not associated with fractures or dislocations of any of the bones of the cervical spine.
		Orthopedists, doctors of the bones and joints, differentiate "sprains" from "strains." Injuries of tissues that contract and move, such as muscles, tendons, and their attachments into bones, are termed strains (for example, tendonitis occurs when tendons are involved).
		Both strains and sprains of the neck may involve tears to ligaments covering the cervical vertebrae, the many muscles of the neck (which move the head), and many other associated structures.
	www.emedicinehealth.com /neck_strain/article_em.htm (453 words)

	Sprains and Strains
		A strain is an injury to either a muscle or a tendon generally caused by overuse, force, or stretching.
		Depending on the severity of the injury, a strain may be a simple overstretch of the muscle or tendon, or it can result in a partial or complete tear.
		Sprains or strains are uncommon in younger children because their growth plates (areas of bone growth located in the ends of long bones) are weaker than the muscles or tendons.
	www.massgeneral.org /ortho/Pediatric_Sprains_and_Strains.htm (1135 words)

	strain (1) definition - Dictionary - MSN Encarta
		Strain the stock and return it to the pan.
		It's the strain of living with him day after day that's wearing me out.
		It was a real strain to lift it but we managed it.
	encarta.msn.com /encnet/features/dictionary/DictionaryResults.aspx?refid=1861715434 (478 words)

	EPRI: Initiation Strain for Chloride-Induced Stress Corrosion Cracking in Type 316 Stainless Steel (Site not responding. Last check: 2007-11-05)
		The strain for initiation of cracking was smaller for sensitized Type 316 stainless steels than for the annealed material.
		To evaluate the use of tapered specimens for measuring the strain needed for the initiation of stress corrosion cracks during slow strain-rate tests.
		Strains of the order of 1 to 5% were required to initiate cracks in sensitized material, and the annealed material required much larger values.
	www.epri.com /OrderableitemDesc.asp?product_id=NP%2D7542&targetnid=273223&value=06T061142&marketnid=273141&oitype=6&searchdate=11/1/1991 (678 words)

	Strain (Site not responding. Last check: 2007-11-05)
		Strain Theory was developed by the sociologist Robert Merton in the 1940's.
		Strain Theory states that anomie occurs whenever there is a gap between the goals a society expects from persons and the means that exsist to achieve the goals.
		Strain theory was critized for focusing to much on economic strain.
	mulerider.saumag.edu /~milford/crime/strain.html (522 words)

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