principle

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principle

1. a rule or law concerning a natural phenomenon or the behaviour of a system
2. Chem a constituent of a substance that gives the substance its characteristics and behaviour

Principle

 

the basic initial assumption of any theory, teaching, science, world view, or political organization; an individual’s internal conviction, which determines his relationship to reality, behavioral norms, and activity; the basic characteristic of the structure of any mechanism or apparatus.

principle

[′prin·sə·pəl]
(science and technology)
A scientific law which is highly general or fundamental, and from which other laws are derived.
References in periodicals archive ?
As for the sum of the number of applications of active principles, comparing treatments 1, 2 and 3 with treatment 4, without the use of plastic overhead cover, it was observed that in treatment 3, using calendar and plastic overhead cover, there was a reduction of three applications of active principles (14.
Tricyclic antidepressants were the most used drug and amitriptyline the most consumed active principle.
From these points it stands pretty clear to us that to act in a manner of freedom or freely and to act in the manner of a nature or naturally so divide the category of active principle that they cannot be found together in the same principle even with respect to distinct operations.
Antibacterial activity of extracts from plants of central Argentina--Isolation of an active principle from Achyrocline satureioides.
In this regard, the decision of the President of the Court of First Instance in Paris, with a similar subject matter to the Italian one (1), clearly stated that "in France, the patent owned by Novartis on the valsartan active principle [EP '983] does not allow to grant an SPC on the combination of valsartan and hydroclorotiazide, as this second active ingredient is not claimed in the patent in question".
Using a different active principle, which isn't analogue to the stress generation, is hardly productive.
Three solvents (Hexane, Chloroform, and Ethanol) were used successively for the extraction of active principles from the seeds of this plant.
An antibacterial effect has been noted in vitro, with cineol the main active principle [6].
such as the notion of corporeal and substantial form and the subordination of matter, a passive principle, to form, which is the active principle of the compound of form and matter that constitutes a primary substance.
Macleod had previously invited the biochemist James Bertram Collip (1892-1965) from the University of Alberta to join the Toronto team to help purify the extracts of toxic substances and concentrate the active principle for use in diabetic humans.
The Marketing Authorisation Commission has requested the withdrawal of pediatric medicines containing Primperan's active principle metoclopramide, more specifically Primperan Nourrissons et Enfants and Primperan Enfants.

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