Development of the Northern Sea Route on the Route Murmansk-Vladivostok-Shanghai (China)

The paper considers the development of the Northern Sea Route (NSR) in modern Russia and China. The analysis of cargo turnover and the advantages of the NSR is carried out. The importance of the nuclear icebreaker fleet in the development of the NSR is determined and specified. The route is currently considered as transcontinental and it is planned to become part of the “Silk Road”. It belongs to the number of Russian national projects. As an international transit highway, the Northern Sea Route has a huge potential for international cooperation and development of the North and East of Russia. The cluster-modular approach in the organization of NSR is considered. © 2022 The Authors. Published by ELSEVIER B.V

ВЛИЯНИЕ ЭКРАНОВ НА РАСПРЕДЕЛЕНИЯ ИМПУЛЬСНЫХ МАГНИТНЫХ ПОЛЕЙ ПРИ ТРАНСКРАНИАЛЬНОЙ МАГНИТНОЙ СТИМУЛЯЦИИ

The article is devoted to an experimental test on the distribution of the pulse magnetic field’s range and how various screens influence it.Проведено экспериментальное исследование распределения амплитуды импульсного магнитного поля и влияние на него различных экранов

Анализ функционального состояния мышц челюстно-лицевой области у стоматологических пациентов с признаками бруксизма в сочетании с синдромом обструктивного апноэ во сне

Using the electromyography data, the functional state of the maxillofacial region muscles of dental patients with bruxism signs and obstructive sleep apnea syndrome was defined. After dental treatment, 122 patients aged 25–47 with bruxism signs and obstructive sleep apnea syndrome and without it were examined. The disease duration was about 5 years. All patients were divided into two groups. The first group consisted of 41 patients, whose bruxism signs were not combined with the obstructive sleep apnea syndrome. The second group included 81 patients with the bruxism signs and the obstructive sleep apnea syndrome. When performing surface electromyography of the maxillofacial region muscles (temporal, chewing, medial digastric) of the both-group patients at rest without load the differences in the bioelectric activity indicators were not observed. The indicator difference between the comparison groups appeared when conducting functional load tests that were expressed through the amplitude difference during tooth compression under the functional activity of the temporal and digastric muscles. Such data illustrate that the patients of the first group have bigger functional compensation than the patients of the second group. There also occurs cross compensation of temporal and digastric muscles. It is expressed symmetrically.На основании данных электромиографии у стоматологических пациентов с признаками бруксизма, страдающих синдромом обструктивного апноэ во сне, определяли функциональное состояние мышц челюстно-лицевой области. В исследовании приняли участие 122 пациента после стоматологического лечения в возрасте 25–47 лет с признаками бруксизма в сочетании с синдромом обструктивного апноэ во сне и без него. Давность заболевания составляла до 5 лет. Все пациенты были разделены на две группы. Первая группа составила 41 человек и включала пациентов, у которых признаки бруксизма не сочетались с синдромом обструктивного апноэ во сне. Вторая группа включала 81 человека, у которых наблюдали признаки бруксизма и синдром обструктивного апноэ во сне. При проведении поверхностной электромиографии мышц челюстно-лицевой области (височных, жевательных, медиальных двубрюшных) у пациентов обеих групп в покое без нагрузки отличий показателей биоэлектрической активности не наблюдалось. Разница показателей между группами сравнения появлялась при проведении проб с функциональной нагрузкой, которые выражались разностью амплитуд во время сжатия зубов у височной и двубрюшной мышц. Такие данные свидетельствуют о том, что пациенты первой группы имеют функциональную компенсацию больше, чем пациенты второй группы, а также происходит перекрестная компенсация функциональной активности височной и двубрюшной мышц, которая выражена симметрично

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Towards the understanding of the mechanism of dc protonic conduction in graphene oxide

Нанотехнологии, наноструктуры, квантовые явления. Наноэлектроника. Приборы на квантовых эффектахIt is found the dependence of the graphene oxide dc electrical conduction vs. temperature at fixed air humidity levels (under the laboratory conditions) to be nonmonotonic with a pronounced maximum. The increasing of the conduction while the temperature drops corresponds to the protonic concentration increase due to water molecules adsorption as the result of condensation (chilled mirror effect). At this condensation process, the dew point temperature can be determined as the temperature of the fastest adsorption rate of water molecules (and the protonic conduction fastest increase vs. temperature). At some temperatures, either at 0 °C under atmospheric pressure, when the adsorbed water turns into ice, or at the dew point at T < 0 °C, at further temperature drop the protonic conductivity suddenly starts to exponentially decrease via the Arrhenius-type dependence with the activation energy of ≈ 0.7 eV.The work was partially supported by the Belarusian National Research Program “Convergence”, by the Belarusian Republican Foundation for Fundamental Research (Grant No. F18R-253), by the EU Framework Programme for Research and Innovation Horizon 2020 (Grant No. H2020-MSCA-RISE-2015-691010 HUNTER) and by Sensor CAT at Stony Brook University, NY

Polysaccharides of cell wall of wheat roots under extreme growth conditions

Incorporation of radioactivity from 14CO 2 into various fractions and polysaccharides of the cell wall of wheat germ roots was analyzed after 40-min photosynthesis and subsequent 24-h growth. Radioactivity of cell wall polysaccharides was decreased by 50-70% during 10-day adaptation of isolated roots under extreme growth conditions. Pectines and alkali-soluble hemicelluloses of the cell wall can be used as reserved sources of endogenous nutrition of root cells during chronic starvation. Insignificant decrease in radioactivity of structural polysaccharides after 14-day incubation of isolated roots can be an indicator of cellular degradation (according to membrane potential)

Towards the understanding of the mechanism of dc protonic conduction in graphene oxide

Нанотехнологии, наноструктуры, квантовые явления. Наноэлектроника. Приборы на квантовых эффектахIt is found the dependence of the graphene oxide dc electrical conduction vs. temperature at fixed air humidity levels (under the laboratory conditions) to be nonmonotonic with a pronounced maximum. The increasing of the conduction while the temperature drops corresponds to the protonic concentration increase due to water molecules adsorption as the result of condensation (chilled mirror effect). At this condensation process, the dew point temperature can be determined as the temperature of the fastest adsorption rate of water molecules (and the protonic conduction fastest increase vs. temperature). At some temperatures, either at 0 °C under atmospheric pressure, when the adsorbed water turns into ice, or at the dew point at T < 0 °C, at further temperature drop the protonic conductivity suddenly starts to exponentially decrease via the Arrhenius-type dependence with the activation energy of ≈ 0.7 eV.The work was partially supported by the Belarusian National Research Program “Convergence”, by the Belarusian Republican Foundation for Fundamental Research (Grant No. F18R-253), by the EU Framework Programme for Research and Innovation Horizon 2020 (Grant No. H2020-MSCA-RISE-2015-691010 HUNTER) and by Sensor CAT at Stony Brook University, NY