Influence of features of the electric field in the diaphragm system on the transportation
of the flow of charged particles at atmospheric pressure

T. V. Pomozov, N. V. Krasnov

3

Specialized inlet system for ¹³C urea breath test using isotope ratio
mass spectrometer Helicomass

E. S. Pavlova, N. M. Blashenkov, L. N. Gall, N. R. Gall

10

Application of an automated optical-mechanical device for tomographic
examination of the gum under the influence of external agents

T. A. Chernyak, Y. M. Borodyansky, E. A. Petrova,
E. E. Maiorov, E. V. Popova, M. V. Khokhlova

16

Development of effective sensors for detecting pre-explosive H₂ concentrations

I. I. Ivanov, A. M. Baranov, V. A. Talipov,
S. M. Mironov, I. V. Kolesnik, K. S. Napolskii

25

On the evaluation of the crest factor of bionic signals used in hydroacoustic
communication systems

A. A. Gavrishev

37

The main trends of publication activity on topics related to infectious diseases:
covid, sars, ebola and bird flu

A. L. Bulyanitsa, A. A. Evstrapov

46

The first year of covid-19 pandemy and analytical instrumentation
(short message)

N. D. Arkhipov, D. B. Arkhipov

77