Search results
From Self-sufficiency
- ...anical stretching or solvent evaporation. Crystallization affects optical, mechanical, thermal and chemical properties of the polymer. The degree of crystallinit ...T<sub>g</sub>, in the time scale of months and years. This process affects mechanical properties of the polymers and decreases their volume because of a more com18 KB (2,533 words) - 09:11, 20 September 2010
- ..., this simplistic view holds true for very few metals. In a more [[quantum-mechanical]] view, the conduction electrons divide their density equally over all atom ...re in a sea of free electrons needed modification, and a number of quantum mechanical models such as band structure calculations based on molecular orbitals or t26 KB (4,024 words) - 09:13, 20 September 2010
- ...proofing|fire insulation]], and [[Cushioning|impact insulation]] (e.g. for vibrations caused by industrial applications). Often an [[Building insulation material The less natural airflow into a building, the more [[mechanical ventilation]] will be required to support human comfort. High [[humidity]]18 KB (2,595 words) - 09:14, 20 September 2010
- Another approach to reducing friction and wear is to use [[bearing (mechanical)|bearings]] such as [[ball bearing]]s, [[roller bearing]]s or [[air bearing ...surface fatigue together with reduced heat generation, operating noise and vibrations. Lubricants achieve this by several ways. The most common is by forming a p32 KB (4,626 words) - 09:18, 20 September 2010
- ...technology had been used for at least 20 years to reduce [[vibration]]s in mechanical objects from disk drive heads to bridges, but had not been widely applied t5 KB (703 words) - 09:19, 20 September 2010
- Excessive exposure to [[hand arm vibrations]] can result in various patterns of diseases casually known as HAVS or VWF. ...H Power Tools Database|similar database]] where values for sound power and vibrations for commonly found tools from large commercial vendors in the United States7 KB (1,021 words) - 20:52, 20 September 2010
- ...vely. EMMA is a manually controlled, [[Pneumatics|pneumatically powered]], mechanical arm that is designed for use during the sanding stages of production and ma ...[[polyurethane]] core absorbs vibration while its [[Mechanism (technology)|mechanical]] components support the pneumatic tools that are deployed via the End-Effe5 KB (666 words) - 20:36, 20 September 2010
- ...e [[middle ear]] system into motion. Then the middle ear ossicles transfer mechanical energy to the [[cochlea]] by way of the [[Middle ear bone complex#Ossicles| .../wwwn.cdc.gov/niosh-sound-vibration/ NIOSH Power Tools Sound Pressure and Vibrations Database]16 KB (2,305 words) - 20:36, 20 September 2010
- ...brush]] wheels and polishing pads. The angle grinder has large [[bearing (mechanical)|bearing]]s to counter side forces generated during [[cutting]], unlike a [ ...esearch and Technology (DART), '''Hand-held Power Tools Sound Pressure and Vibrations Database''', 2009</ref>4 KB (572 words) - 20:55, 20 September 2010
- ...n where certain components in [[Electronics|electronic]] devices transform mechanical [[vibration]]s into an undesired electrical signal ([[noise (physics)|noise ...X7R]]") are [[piezoelectricity|piezoelectric]] and will directly transform mechanical vibration into a voltage in exactly the same fashion as a ceramic microphon4 KB (555 words) - 13:48, 10 December 2011
- ...ilters can be achieved entirely in terms of the electronic counterparts of mechanical quantities, with [[kinetic energy]], [[potential energy]] and [[heat energy ...ce]] (which in turn, can be explained in terms of the even more familiar [[mechanical resonance]]) found its way into filter design ahead of electrical resonance60 KB (9,254 words) - 13:49, 10 December 2011
- ...Kokusai mechanical filter.jpg|thumb|300px|alt=photograph|'''Figure 1.''' A mechanical filter made by the Kokusai Electric Company intended for selecting the narr ...h convert the electrical signal into, and then back from, these mechanical vibrations.52 KB (7,784 words) - 13:49, 10 December 2011