# first law of thermodynamics

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Related to first law of thermodynamics: 2nd law of thermodynamics

## first law of thermodynamics

see THERMODYNAMICS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Aforementioned studies evaluated the panels based on the first law of thermodynamics. However, exergy method evaluates panels based on the second law of thermodynamics.
The first law of thermodynamics for processes with finite speed was used to compute the power losses generated by the pressure losses.
The fact that no work or heat is delivered to the drop as [U.sub.q] is changed by changing [epsilon] at fixed [r.sub.0] and 6, violates the first law of thermodynamics in its classical form, e.g.
The First Law of Thermodynamics states that "the total inflow of energy into a system must equal the total outflow of energy from the system, etc." This law was not in play when I first arrived.
The need to calculate energy efficiency has led to the supposition (the First Law of thermodynamics) that energy is Universally conserved, with entropy then inferred from the measurable, 'heat energy--energy contaminated by disorder.
Systems biology as a quantitative science dates at least to Hermann von Helmholtz, the 19th century, German physicist whose studies of metabolism led to the first law of thermodynamics. Helmholtz explored human physiology, in its entirety, making fundamental contributions to audition, vision, the conduction of the nervous impulse and, perhaps most important in so far as systems biology is concerned, physiologic energy balance.
* Energy neither can be created nor destroyed--just converted in form (the first law of thermodynamics).
As early as the forward, he proposes that the first law of thermodynamics be extended and states that the second law is only an approximation when conditions are appropriate--and this follows his contention that "Every charge in the universe already freely and continuously pours out electromagnetic energy in 3-space in all directions, without any observable electromagnetic input ..." (p.
Sceptical experts point out that the first law of thermodynamics states that you can't get out more energy than you put in.
At this time scientists such as Darwin and Hermann von Hehnholtz (who proposed the conservation of energy, the first law of thermodynamics) were revealing the lawfulness of nature.
Each form is convertible into the other, but their sum is always constant for any process in a finite system (in accordance with the First Law of Thermodynamics).
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