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Federman) - any dependence between physical quantities, which
characterize the phenomenon or process, can be represented as a
mutual dependence between criteria of similarity, i. e. in a form
of generalized criterion equation.
Theorem 3 (Kyrpichov – Huhman’s theorem), is inversed
to the first theorem. Similar are those phenomena or systems,
which are described by the same equations of connection and
their monosemantic conditions are similar (monosemantic
conditions are considered criteria of similarity, which are
composed of physical quantities, which are included in initial
and limit condition, i. e. in the monosemantic conditions, which
are called determining criteria, unlike those, which need to be
measured) [5]

4 Experimental studies

4.1 Planning of an experiment. Selection of factors
of experiment planning and conversion of factors into
conventional scale. Drafting of planning matrix

Experiment (research) is the main means of cognition of
the world, it is a criterion of validity of hypotheses and theories.
Particularly important experiments are for studying of
physicochemical processes (determining the permeability of rock
samples, liquids and gases, surface tension, etc.).
The main terms and conditions of an experiment are:
- planning of an experiment;
- realization of an experiment;
- processing of the results.
The main goal of the experimental research is to establish
the interconnections between different factors, find patterns
which determine the influence of many parameters on the course
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