| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
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| ILR | interleukin receptor; irreversible loss rate |
| ILR | irreversible loss rate |
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| second law of thermodynamics | <physics> All of the chemical and physical processes in a closed system tend to drive that system toward maximum entropy. Clausius statement: No device can operate in a cycle and allow heat to transfer from a colder body to a hotter body unless other compensating activities are taking place. Kelvin-Planck statement: no device can operate in a constant-temperature cycle and convert the heat it receives into work, unless other other compensating activities are taking place. (09 Oct 1997) |
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| thermodynamics | The study of energy and energy flow in closed and open systems. (18 Nov 1997) |
| third law of thermodynamics | <chemistry> The entropy of a perfect crystal at 0 K is zero. (09 Jan 1998) |
| zeroeth law of thermodynamics | <chemistry> Two systems in thermal equilibrium with a third are in thermal equilibrium with each other. (09 Jan 1998) |
| first law of thermodynamics | This law, derived from the principle of conservation of energy, is expressed as E = Q - W, where E is the internal change in energy, Q is the heat the environment transfers into the system, and W is the work the system does. In other words, it means that: The internal energy in a system isolated from other systems remains constant The change in the internal energy of a system that is not isolated is equal to the energy that crosses its boundariesinto or out of other systemsIt can be further extrapolated to mean that despite all the processesgoing on in the universe, the total energy contained in the universeremains constant. (09 Oct 1997) |
| irreversible | Incapable of being reversed. (18 Nov 1997) |
| irreversible colloid | A colloid that is not again soluble in water after having been dried at ordinary temperature. Synonym: unstable colloid. (05 Mar 2000) |
| irreversible hydrocolloid | A hydrocolloid whose physical state is changed by an irreversible chemical reaction when water is added to a powder and an insoluble substance is formed. (05 Mar 2000) |
| irreversible process | <chemistry> Any real process, when a system undergoes the changes State 1 - greater than State 2 - greater than State 1 by any real pathway, the universe is different that before the cyclic process took place in the system. (09 Jan 1998) |
| irreversible reaction | A reaction or response by the tissues to a pathogenic agent characterised by a permanent pathologic change. (05 Mar 2000) |
| irreversible shock | Shock that has progressed beyond the stage when it will respond to transfusion or other form of treatment, and recovery is impossible. (05 Mar 2000) |
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