Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A calculable and quasi-practical gas   A new kinetic approach is developed and a quasi-practical gas is defined to
which the new approach can be applied. One of the advantages of this new
approach over the standard one is direct calculability in terms of today's
computational means.

21
The categories of this paper are: adap-org
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
27
The categories of this paper are: comp-gas
17
The categories of this paper are: q-fin
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
2
The categories of this paper are: math
35
The categories of this paper are: mtrl-th