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  JOURNAL "NP" ISSUES

"Nauchnoe Priborostroenie", 2025, vol. 35, no. 3. ISSN 0868-5886.
PHYSICS OF INSTRUMENT MAKING

Electric fields of cylindrical RF ion guides

A. S. Berdnikov, S. V. Masyukevich, K. V. Solovyev, Yu. I. Khasin

3

Simulation of cylindrical RF ion guides using analytical electric fields

A. S. Berdnikov, S. V. Masyukevich, T. V. Pomozov, K. V. Solovyev

18

Linear ion trap with an island of stability formed by quadrupole excitation

A. I. Ivanov, P. V. Bugrov, N. V. Konenkov

38

Fundamentals of interaction between a uniform field and a single-component spherical
electric field strength sensor with an open system of electrodes

S. V. Biryukov

45

MATHEMATICAL METHODS AND MODELLING
IN INSTRUMENT MAKING

Simulation of operation of a gridless ion gate for an ion mobility spectrometer

I. V. Kurnin

56

Comparative analysis of the possibilities of polynomial and analytical approximations
of polarization-optical responses of magnetic nanofluids

Ya. A. Fofanov, V. V. Manoilov

64

DEVELOPMENT OF MEASURING DEVICES AND SYSTEMS

Equipment for mocvd epitaxy of gallium nitride on silicon substrates up to 200 mm
in diameter for the production of transistor heterostructures

M. G. Biryukov, P. E. Afonin, S. A. Shchurenkova, D. Y. Pugachev,
A. F. Tsatsulnikov, A. V. Sakharov, E. E. Zavarin, W. V. Lundin, D. S. Bazarevskiy

73

Development and laboratory testing of a led phyto-irradiator

E. N. Rakutko, S. A. Rakutko, G. V. Medvedev, S. V. Gulin

82

INSTRUMENT MAKING OF PHYSICAL AND CHEMICAL BIOLOGY

Microfluidic organ-on-a-chip device with porous membrane
for long-term cell cultivation

L. A. Altynbaev, P. S. Pleshakov, N. A. Filatov, A. S. Bukatin

95

Protective filters against dust and dirt particles for droplet microfluidics applications

N. A. Filatov, D. V. Pankratov, A. A. Tiushkevich, P. S. Pleshakov, A. S. Bukatin

107

INFORMATICS, COMPUTER TECHNICS AND CONTROL

Application of nonlinear dynamics methods for analyzing the properties of signals formed on the basis of ternary sequences

A. A. Gavrishev, D. L. Osipov

119

 

Ulitsa Ivana Chernykh, 31-33, lit. A, St. Petersburg, Russia, 198095, P.O.B. 140
tel: (812) 3630719, fax: (812) 3630720, mail: iap@iairas.ru

content: Valery D. Belenkov design: Banu S. Kuspanova layout: Anton V. Manoilov