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Template method for graphene synthesis 模板法合成石墨烯
Доклады Академии наук Pub Date : 2019-10-20 DOI: 10.31857/s0869-56524885508-512
V. V. Chesnokov, Владимир Викторович Чесноков, A. Chichkan, Александра Сергеевна Чичкань, A. Bedilo, А Ф Бедило, E. I. Shuvarakova, Е И Шуваракова, V. Parmon, Валентин Николаевич Пармон
{"title":"Template method for graphene synthesis","authors":"V. V. Chesnokov, Владимир Викторович Чесноков, A. Chichkan, Александра Сергеевна Чичкань, A. Bedilo, А Ф Бедило, E. I. Shuvarakova, Е И Шуваракова, V. Parmon, Валентин Николаевич Пармон","doi":"10.31857/s0869-56524885508-512","DOIUrl":"https://doi.org/10.31857/s0869-56524885508-512","url":null,"abstract":"A series of carbon-mineral composites with the carbon content varying from 1.5 to 12.2 wt.% was synthesized by MgO carbonization in 1,3-butadiene at 600 oC. The synthesized carbon-mineral composites were studied by EPR, XRD and transmission electron microscopy. It was shown by EPR that the MgO surface was completely covered with carbon after depositing 8-10 wt.% C. MgO from the composite was dissolved by treatment in hydrochloric acid. The surface area of the carbon samples obtained after the acid treatment was studied by thermal desorption of argon. It was shown that the synthesized carbon material consisted of several graphene layers. Specific surface area of the synthesized graphene had a maximum about 1800-1900 m2/g for samples obtained from C-MgO composites containing 8-10 wt.% C.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87368757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphological variability of the mandible shape in the common vole Microtus arvalis (Rodentia, Arvicolidae) hybrid zone 普通田鼠小仓鼠(啮齿目，仓鼠科)杂交区下颌骨形态的变异
Доклады Академии наук Pub Date : 2019-10-20 DOI: 10.31857/s0869-56524885576-580
T. A. Mironova, Т А Миронова, V. B. Sycheva, В Б Сычева, A. Martynov, А А Мартынов, A. Gromov, А. Р. Громов, D. Kostin, Д. С. Костин, V. Komarova, Василина Андреевна Комарова, D. Krivonogov, Д М Кривоногов, L. Lavrenchenko, Л. А. Лавренченко
{"title":"Morphological variability of the mandible shape in the common vole Microtus arvalis (Rodentia, Arvicolidae) hybrid zone","authors":"T. A. Mironova, Т А Миронова, V. B. Sycheva, В Б Сычева, A. Martynov, А А Мартынов, A. Gromov, А. Р. Громов, D. Kostin, Д. С. Костин, V. Komarova, Василина Андреевна Комарова, D. Krivonogov, Д М Кривоногов, L. Lavrenchenko, Л. А. Лавренченко","doi":"10.31857/s0869-56524885576-580","DOIUrl":"https://doi.org/10.31857/s0869-56524885576-580","url":null,"abstract":"For the first time, the analysis of the mandible shape in semispecies of common vole (Microtus arvalis) from the hybrid zone was carried out using geometric morphometry methods. High morphological variability of hybrids that were closer to the parent form Microtus obscurus than to M. arvalis was found. The main trends in the shape of the mandible, which locate mainly in the horizontal plane, are revealed.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"114 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87752637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dimeric disintegrins from the Vipera ursinii steppe viper venom 草原蝰蛇毒液的二聚体崩解素
Доклады Академии наук Pub Date : 2019-10-20 DOI: 10.31857/s0869-56524885567-570
E. Kryukova, A. S. Potapenko, T. Andreeva, I. Ivanov, V. V. Ryabinin, R. Ziganshin, V. Starkov, N. Ayvazyan, V. Tsetlin, Y. Utkin
{"title":"Dimeric disintegrins from the Vipera ursinii steppe viper venom","authors":"E. Kryukova, A. S. Potapenko, T. Andreeva, I. Ivanov, V. V. Ryabinin, R. Ziganshin, V. Starkov, N. Ayvazyan, V. Tsetlin, Y. Utkin","doi":"10.31857/s0869-56524885567-570","DOIUrl":"https://doi.org/10.31857/s0869-56524885567-570","url":null,"abstract":"Four dimeric disintegrins were isolated from the venom of the steppe viper V. ursinii using liquid chromatography. Disintegrins prevented adhesion of MCF7 cells to fibronectin, which indicates their interaction with integrin receptors of the V1 type. According to mass spectrometry data, the molar masses of disintegrins are about 14 kDa.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"38 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80948960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Direct observation of the processes near particle-to-particle contacts at electric pulse consolidation of titanium powder 直接观察钛粉电脉冲固结时颗粒间接触过程
Доклады Академии наук Pub Date : 2019-10-20 DOI: 10.31857/s0869-56524885504-507
A. Rogachev, S. Vadchenko, V. Kudryashov, A. Shchukin, M. Alymov
{"title":"Direct observation of the processes near particle-to-particle contacts at electric pulse consolidation of titanium powder","authors":"A. Rogachev, S. Vadchenko, V. Kudryashov, A. Shchukin, M. Alymov","doi":"10.31857/s0869-56524885504-507","DOIUrl":"https://doi.org/10.31857/s0869-56524885504-507","url":null,"abstract":"Direct high-speed micro-video records prove the existence of highly overheated zones at the contacts of powder particles during short (~ 1 ms) electric current pulses. The value of overheating can exceed 1600 degrees and lead to the formation of liquid-phase sintering necks, the dimensions of which are well correlated with the size of the overheated zones. The micro-uniformity of the temperature field in the electric pulse heating allow understanding the unusually high consolidation rates of powder materials observed in spark plasma sintering.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"48 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80923125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New data on age of the Neoproterozoic volcanic rocks of Isakovka Terrain from the Sayan-Yenisei accretion belt (U-Pb, zircon) 萨扬-叶尼塞增生带伊萨科夫卡地区新元古代火山岩年龄的新资料(U-Pb、锆石)
Доклады Академии наук Pub Date : 2019-10-20 DOI: 10.31857/s0869-56524885521-525
P. Kozlov, П. С. Козлов, I. Likhanov, И И Лиханов, K. Ivanov, Константин Сергеевич Иванов, A. Nozhkin, А. Д. Ножкин, S. Zinoviev, C В Зиновьев
{"title":"New data on age of the Neoproterozoic volcanic rocks of Isakovka Terrain from the Sayan-Yenisei accretion belt (U-Pb, zircon)","authors":"P. Kozlov, П. С. Козлов, I. Likhanov, И И Лиханов, K. Ivanov, Константин Сергеевич Иванов, A. Nozhkin, А. Д. Ножкин, S. Zinoviev, C В Зиновьев","doi":"10.31857/s0869-56524885521-525","DOIUrl":"https://doi.org/10.31857/s0869-56524885521-525","url":null,"abstract":"The Late Neoproterozoic U-Pb age for zircon of island-arc metadacites (691 8.8 million years) and basalts (572 6.5 million years) of the Kiselikhinskaya Formation of the Kutukasskaya Group was established for the first time. The manifestation of basaltic volcanism is associated with rift-related processes. The studies clarify the Late Precambrian stratigraphy of the Yenisei Ridge and the features of the evolution of the Sayan-Yenisei accretionary belt at the Neoproterozoic stage of its history. Folded-thrust structures of the junction zone of the Yenisei Ridge with the West Siberian Plate may be favorable in relation to the search for unconventional oil and gas traps.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74311753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The energy spectrum of the current velocity in deep layers of the Black Sea 黑海深层洋流速度的能量谱
Доклады Академии наук Pub Date : 2019-10-20 DOI: 10.31857/s0869-56524885550-554
A. Klyuvitkin, А А Клювиткин, A. Ostrovskii, Александр Григорьевич Островский, A. P. Lisitzin, А П Лисицын, S. Konovalov, С К Коновалов
{"title":"The energy spectrum of the current velocity in deep layers of the Black Sea","authors":"A. Klyuvitkin, А А Клювиткин, A. Ostrovskii, Александр Григорьевич Островский, A. P. Lisitzin, А П Лисицын, S. Konovalov, С К Коновалов","doi":"10.31857/s0869-56524885550-554","DOIUrl":"https://doi.org/10.31857/s0869-56524885550-554","url":null,"abstract":"In 2016-2017, for the first time, nearly year-long measurements of the current velocities were carried out below the thermocline at a depth of 100 m and at a depth of 1700 m that was about 100 m above the seabed by using the mooring station in the deep central part of the Black Sea. Analysis of the new data set allowed us to uncover the followings. In the near-bottom layer, the significant flow velocities were recorded, reaching a peak magnitude of 0.13 m/s. Near the frequency of 110-6 Hz, in the transition region of the energy spectrum, the spectral energy of the deep current was close to that observed in the same range in the subthermocline layer of the sea. In the range of balanced geostrophic motions, the energy spectrum had a slope of -2,8 that should be compared to a spectrum slope of -1,8 obtained for current below the thermocline. The regular strong horizontal currents were observed near the local inertial frequency fI. There was a blue shift of the inertial maximum up to 5% with respect to fI in the energy spectrum.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"52 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84531133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of Fe nanopowder sample density on ignition parameters at heating in the air 铁纳米粉样品密度对空气加热点火参数的影响
Доклады Академии наук Pub Date : 2019-10-10 DOI: 10.31857/s0869-56524884386-390
M. Alymov, М И Алымов, S. Vadchenko, С Г Вадченко, E. Suvorova, Елена Васильевна Суворова, V. Zelensky, В. А. Зеленский, A. Ankudinov, А Б Анкудинов
{"title":"Effect of Fe nanopowder sample density on ignition parameters at heating in the air","authors":"M. Alymov, М И Алымов, S. Vadchenko, С Г Вадченко, E. Suvorova, Елена Васильевна Суворова, V. Zelensky, В. А. Зеленский, A. Ankudinov, А Б Анкудинов","doi":"10.31857/s0869-56524884386-390","DOIUrl":"https://doi.org/10.31857/s0869-56524884386-390","url":null,"abstract":"Ignition of Fe nanopowders of bulk density and its samples compacted to relative density of 0,3-0,5 was studied while they were heated in the air. The ignition temperature of the compacted samples does not depend on the heating rate and comprises 100-115 C. The oxidation process includes the stages of inert heating, ignition, surface and filtration modes of the reaction and afterburning. The time of the active stages, i.e. ignition and filtration mode, depends on the sample density at the same heating terms. It allows one to develop storage methods of Fe nanopowders as compacts.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"105 9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86527803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The sources of zircons in clastic rocks of the Riphean deposits of the Urals 乌拉尔地区里芬矿床碎屑岩中锆石的来源
Доклады Академии наук Pub Date : 2019-10-10 DOI: 10.31857/s0869-56524884413-419
A. A. Krasnobaev, V. Puchkov, N. D. Sergeeva, S. V. Busharina
{"title":"The sources of zircons in clastic rocks of the Riphean deposits of the Urals","authors":"A. A. Krasnobaev, V. Puchkov, N. D. Sergeeva, S. V. Busharina","doi":"10.31857/s0869-56524884413-419","DOIUrl":"https://doi.org/10.31857/s0869-56524884413-419","url":null,"abstract":"New age determinations of detrital zircons of sandstones augmented the possibilities of interpretation of their provenance. This interpretation is often restricted by a formal comparison of age-and-composition characteristics of detrital crystals with any very distant model objects. A different situation arises when the role of a source of a detritus is claimed by local objects. The analysis of SHRIMP and TIMS - datеs of zircons and U and Th concentrations in them, and also a comparison of histograms of primary zircons from Riphean volcanics and rocks of the Taratash complex on one hand and the detrital zircons from the sandstones of Vendian (Asha series) and Lower Riphean (Ai Formation) on the other, have shown that the age variations of sources and clastics are comparable in many aspects. It means that the age characteristics of primary zircons from the Riphean volcanics and rocks of the Taratash complex as sources of zircon clastics for the Riphean and Vendian sandstones in the Southern Urals are regulated by processes of resedimentation, though the influence of distant sources is not excluded.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75250510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Active faults of the Kerch’s Peninsula: new results 刻赤半岛的活动断层:新结果
Доклады Академии наук Pub Date : 2019-10-10 DOI: 10.31857/s0869-56524884408-412
А. Ovsyuchenko, А.Н. Овсюченко, R. Vakarchuk, Р Н Вакарчук, A. Korzhenkov, А.М. Корженков, A. S. Larkov, А.С. Ларьков, А. I. Sysolin, А. И. Сысолин, E. Rogozhin, Е. А. Рогожин, A. V. Marahanov, А.В. Мараханов
{"title":"Active faults of the Kerch’s Peninsula: new results","authors":"А. Ovsyuchenko, А.Н. Овсюченко, R. Vakarchuk, Р Н Вакарчук, A. Korzhenkov, А.М. Корженков, A. S. Larkov, А.С. Ларьков, А. I. Sysolin, А. И. Сысолин, E. Rogozhin, Е. А. Рогожин, A. V. Marahanov, А.В. Мараханов","doi":"10.31857/s0869-56524884408-412","DOIUrl":"https://doi.org/10.31857/s0869-56524884408-412","url":null,"abstract":"In the paper there are results of a recent study of the active faults in the Kerch Peninsula. There was compiled a Map of Active Faults - sources of the strong earthquakes occurred in Late Holocene. The map is a regional seismotectonic model of strong earthquake sources - detailed basis for a spatial prognosis of the seismic hazard. Results of the study show that the Kerch Peninsula demonstrates signs of the classical morphostructures, and a morphology of the modern peninsula contours is caused by the large active fault zones.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"64 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85747824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Seismic attributes of basement in Podvodnikov Basin 波德沃尼科夫盆地基底地震属性
Доклады Академии наук Pub Date : 2019-10-10 DOI: 10.31857/s0869-56524884429-433
V. Butsenko, В. В. Буценко, V. Poselov, В. А. Поселов, S. M. Zholondz, С. М. Жолондз, O. Smirnov, О Е Смирнов
{"title":"Seismic attributes of basement in Podvodnikov Basin","authors":"V. Butsenko, В. В. Буценко, V. Poselov, В. А. Поселов, S. M. Zholondz, С. М. Жолондз, O. Smirnov, О Е Смирнов","doi":"10.31857/s0869-56524884429-433","DOIUrl":"https://doi.org/10.31857/s0869-56524884429-433","url":null,"abstract":"The seismic attributes of the basement in the Podvodnikov Basin (primarily its P-wave velocities (5.9-6.2 km/s), the VP /VS ratio (1.71), the characteristic diffraction features of reflections from the basement) indicate the continental origin of the basin and suggest that its tectonic evolution began at the pre-oceanic stage of geological history of the Arctic.","PeriodicalId":24047,"journal":{"name":"Доклады Академии наук","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90097188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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