Monomeric Friction Coefficient of Metalnanodispersible Polymeric Systems

Kolupayev, B. B.; Kolupayev, B.S.; Levchuk, V. V.; Maksimtsev, Yu. R.; Sidletskiy, V. A.

doi:10.21272/jnep.8(4(2)).04072

Cited by 3 publications

(3 citation statements)

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“…За допомогою девіятора напруження показано [2], що комбінація локальних розтягів або стисків вздовж трьох взаємно перпендикулярних осей не супроводжується загальною зміною об'єму тіла. При цьому напружений стан являє собою локальну суперпозицію всебічного стиску (розтягу) і двох зсувів [3]. Відповідно, це знаходить свій прояв в ускладненнях, які виникають при описі поведінки структурних елементів полімерних систем у зовнішніх силових і температурних полях.…”

Section: вступunclassified

“…Як наповнювач ПВХ використовували нанодисперсний порошок міді (Cu), одержаний шляхом електричного вибуху провідника (ЕВП). Середній розмір частинок Cu, визначений методами рентґеноструктурної аналізи (РСА) та Дебая-Шеррера-Селякова [3], складав 452 нм. Íаночастинки, згідно з порошковими стандартами JCPDS PDF-2, відповідають кристалітам Cu.…”

Section: експериментальна частинаunclassified

See 1 more Smart Citation

Mathematical Modelling of the Behaviour of Metal-Nanodisperse PVC Systems at High Frequencies of Deformation

2021

Nanosistemi, Nanomateriali, Nanotehnologii

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Section: вступunclassified

Section: експериментальна частинаunclassified

Mathematical Modelling of the Behaviour of Metal-Nanodisperse PVC Systems at High Frequencies of Deformation

2021

Nanosistemi, Nanomateriali, Nanotehnologii

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“…Под воздействием низких отрицательных температур в растительных клетках запускаются механизмы, останавливающие процесс образования кристаллов льда, предотвращая обезвоживание цитоплазмы. В клетках растений активируется антиоксидантная система [14].…”

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Comparative Study of Winter Crops Varieties on Accumulation of Prolino in the Autumn-Winter Period

Gilmullina¹,

Гильмуллина²,

Mannapova³

et al. 2018

Vestnik of Kazan State Agrarian University

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Winter hardiness of plants depends on many factors: plant species, variety, duration of quenching phase and meteorological conditions. The reaction to stressful influences during the autumn-winter period is the changes in the cellular metabolism, in which the accumulation of various substances that protect plants from death occurs. Proline is a multifunctional amino acid, that accumulates in high concentrations in response to various abiotic stresses. The purpose of this study is to identify species and varietal differences in the accumulation of proline in winter crops in the Republic of Tatarstan. The material for research was the leaves of winter wheat plants (Triticum aestivum L.), winter rye (Secale cereale L.) and winter triticale (Triticosecale Witt.). The experiments were carried out under conditions of natural stress factors of three consecutive growing seasons of 2014-2017. To determine the state of wintering plants in dynamics, the content of free proline was determined by the Bates method. It is shown that the average values of proline content in winter rye and triticale increased from October to December, but decreased in February. Winter wheat had a further increase in the indicator. The amplitude of the oscillations in December in winter rye was 5.18-13.52 μmol/g, in winter triticale - 9.47-23.15 μmol/g, in winter wheat - 25.81-32.98 μmol/g. The greatest variability of proline values in the studied cultures was noted in February. For each of the winter crops, its reaction rate according to this criterion was revealed. However, there is an intraspecific specific character of the dynamics of the synthesis and breakdown of free proline. Among the studied varieties and hybrids of winter rye, 3 groups differed among themselves. The concentration of proline in the leaves of winter triticale approximated to the values of winter rye, and according to the dynamics of accumulation - to winter wheat.

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Physicomathematical Modeling of the Deformation of Flexible Polymers in an Ultrasonic Wave

Колупаев

Kolupaev

Levchuk

et al. 2022

J Eng Phys Thermophy

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Monomeric Friction Coefficient of Metalnanodispersible Polymeric Systems

Cited by 3 publications

References 0 publications

Mathematical Modelling of the Behaviour of Metal-Nanodisperse PVC Systems at High Frequencies of Deformation

Mathematical Modelling of the Behaviour of Metal-Nanodisperse PVC Systems at High Frequencies of Deformation

Comparative Study of Winter Crops Varieties on Accumulation of Prolino in the Autumn-Winter Period

Physicomathematical Modeling of the Deformation of Flexible Polymers in an Ultrasonic Wave

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