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All the Materials. Encyclopedic Reference Book.最新文献

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The properties of epoxy matrix modified by boron nitride 氮化硼改性环氧基体的性能
All the Materials. Encyclopedic Reference Book. Pub Date : 2024-04-21 DOI: 10.31044/1994-6260-2024-0-4-2-6
S. Polunin, Irina Gorbunova, Michael Kerber
{"title":"The properties of epoxy matrix modified by boron nitride","authors":"S. Polunin, Irina Gorbunova, Michael Kerber","doi":"10.31044/1994-6260-2024-0-4-2-6","DOIUrl":"https://doi.org/10.31044/1994-6260-2024-0-4-2-6","url":null,"abstract":"In this work, the viscoelastic properties of epoxy polymers modified with hexagonal boron nitride were studied. The calculated elastic modulus is compared with its experimental value. It has been established that boron nitride does not significantly affect the glass transition temperature of epoxy polymers","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"106 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140678592","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
Modeling of kinetics of drug desorption from tablet based on polymer matrix 基于聚合物基质的片剂药物解吸动力学建模
All the Materials. Encyclopedic Reference Book. Pub Date : 2024-01-01 DOI: 10.31044/1994-6260-2024-0-1-26-30
A. V. Dedov, N. Chernousova, V. A. Zakharova
{"title":"Modeling of kinetics of drug desorption from tablet based on polymer matrix","authors":"A. V. Dedov, N. Chernousova, V. A. Zakharova","doi":"10.31044/1994-6260-2024-0-1-26-30","DOIUrl":"https://doi.org/10.31044/1994-6260-2024-0-1-26-30","url":null,"abstract":"Using the literature data, a model has been developed to predict the kinetics of desorption of a drug from a tablet based on hydroxypropyl methylcellulose at different water mixing rates. Upon contact of the tablet with gastric juice, the polymer swelled with the formation of a gel-like shell, which prevents the transfer of gastric juice into the tablet and determines the release rate of the drug into the human body. An equation was used that describes the kinetic dependences of the desorption of a drug in the coordinate system of a conditional time equal to the square root of the observation time. The dependence of the coefficients of the equation on the mixing rate was established, which made it possible to obtain a model for predicting the kinetics of drug desorption from the time of contact with water and the water mixing rate.","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"61 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140522237","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
About unusual fractures during fracture toughness tests. 关于断裂韧性测试中异常断裂。
All the Materials. Encyclopedic Reference Book. Pub Date : 2023-10-21 DOI: 10.31044/1994-6260-2023-10-9-17
A.V. Lavrov, O.V. Mitrakov, A.N. Davidenko, A.S. Yastrebov
{"title":"About unusual fractures during fracture toughness tests.","authors":"A.V. Lavrov, O.V. Mitrakov, A.N. Davidenko, A.S. Yastrebov","doi":"10.31044/1994-6260-2023-10-9-17","DOIUrl":"https://doi.org/10.31044/1994-6260-2023-10-9-17","url":null,"abstract":"","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132582015","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
Modification of high-density polyethylene and ethylene-vinyl acetate copolymer by chain-layered silicate «sepiolite» 链状层状硅酸盐“海泡石”改性高密度聚乙烯和乙烯-醋酸乙烯共聚物
All the Materials. Encyclopedic Reference Book. Pub Date : 2022-11-01 DOI: 10.31044/1994-6260-2022-0-11-24-30
A. Vertepa, I. Starostina, N. Kuzina, Y.V. Perukhin, O. Stoyanov
{"title":"Modification of high-density polyethylene and ethylene-vinyl acetate copolymer by chain-layered silicate «sepiolite»","authors":"A. Vertepa, I. Starostina, N. Kuzina, Y.V. Perukhin, O. Stoyanov","doi":"10.31044/1994-6260-2022-0-11-24-30","DOIUrl":"https://doi.org/10.31044/1994-6260-2022-0-11-24-30","url":null,"abstract":"Composites based on high-pressure polyethylene and ethylene-vinyl acetate copolymer, containing sepiolite clay powder with a chain-layered structure have been investigated, and their physical-mechanical properties have been analyzed. When using sepiolite, the organomodification and compatibilization are not required. It is shown, that composite materials with the addition of sepiolite are superior in a number of characteristics to those containing traditionally applied layered clay powders.","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114488353","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
Modern liquid embolizing agents based on polymers: composition, properties and applications (review) 基于聚合物的现代液体栓塞剂:组成、性能和应用(综述)
All the Materials. Encyclopedic Reference Book. Pub Date : 2021-06-21 DOI: 10.31044/1994-6260-2021-0-6-3-13
D. Reshetnyak, E. S. Zhavoronok, O. Legonkova, A. S. Ogannisyan, A. Panov, S. Kedik
{"title":"Modern liquid embolizing agents based on polymers: composition, properties and applications (review)","authors":"D. Reshetnyak, E. S. Zhavoronok, O. Legonkova, A. S. Ogannisyan, A. Panov, S. Kedik","doi":"10.31044/1994-6260-2021-0-6-3-13","DOIUrl":"https://doi.org/10.31044/1994-6260-2021-0-6-3-13","url":null,"abstract":"Analysis of published information on polymer-based liquid embolizing agents is carried out in this review. The registered and used brands are described: Onyx™, PHIL™ and Squid, as well as less well-known Easyx™ and Menox™. Data on their composition, properties and application are given. The advantages and the disadvantages of the described embolizing agents are discussed.","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127313228","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
AVIATION ORIENTED ORGANIC GLASSEWS (yesterday, today, tomorrow) 航空有机玻璃(昨天、今天、明天)
All the Materials. Encyclopedic Reference Book. Pub Date : 2021-02-01 DOI: 10.31044/1994-6260-2021-0-2-42-47
{"title":"AVIATION ORIENTED ORGANIC GLASSEWS (yesterday, today, tomorrow)","authors":"","doi":"10.31044/1994-6260-2021-0-2-42-47","DOIUrl":"https://doi.org/10.31044/1994-6260-2021-0-2-42-47","url":null,"abstract":"","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125895005","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 SYNTHETIC APPROACH TO THE PREPARATION OF 2,4,6-TRISUBSTITUTED PYRIMIDINE AND INVESTIGATION OF ITS THERMAL, OPTICAL AND ELECTROCHEMICAL AND ELECTROPHYSICAL PROPERTIES 2,4,6-三取代嘧啶的合成新方法及其热、光学、电化学和电物理性质的研究
All the Materials. Encyclopedic Reference Book. Pub Date : 1900-01-01 DOI: 10.31044/1994-6260-2022-0-13-43-49
D. G. Slobodinyuk, I. Lunegov, O.A. Majorova, E. Shklyaeva, G. Abashev
{"title":"NEW SYNTHETIC APPROACH TO THE PREPARATION OF 2,4,6-TRISUBSTITUTED PYRIMIDINE AND INVESTIGATION OF ITS THERMAL, OPTICAL AND ELECTROCHEMICAL AND ELECTROPHYSICAL PROPERTIES","authors":"D. G. Slobodinyuk, I. Lunegov, O.A. Majorova, E. Shklyaeva, G. Abashev","doi":"10.31044/1994-6260-2022-0-13-43-49","DOIUrl":"https://doi.org/10.31044/1994-6260-2022-0-13-43-49","url":null,"abstract":"","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124829464","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
HYDROPHILIC RUBBER BASED ON BUTADIENE-NITRILE RUBBER AND POWDER CELLULOSE OF PLANT ORIGIN 以植物来源的丁腈橡胶和粉末纤维素为基础的亲水性橡胶
All the Materials. Encyclopedic Reference Book. Pub Date : 1900-01-01 DOI: 10.31044/1994-6260-2021-0-7-33-37
E. Cherezova, Y. Karaseva, K. Momzyakova
{"title":"HYDROPHILIC RUBBER BASED ON BUTADIENE-NITRILE RUBBER AND POWDER CELLULOSE OF PLANT ORIGIN","authors":"E. Cherezova, Y. Karaseva, K. Momzyakova","doi":"10.31044/1994-6260-2021-0-7-33-37","DOIUrl":"https://doi.org/10.31044/1994-6260-2021-0-7-33-37","url":null,"abstract":"It has been established that the introduction of powdered cellulose, obtained by chemo-mechanical destruction from oat straw, into the composition of rubbers as a hydrosorption filler increases the conditional tensile strength of vulcanizates in comparison with samples without this filler. It was revealed that the degree of swelling of rubbers containing powdered cellulose from oat straw, the pH of the aqueous medium and the degree of mineralization have little effect.","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126593497","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
Isoquinoline alkaloids Amarillidaceae. Crinal alkaloids. 异喹啉类生物碱。Crinal生物碱。
All the Materials. Encyclopedic Reference Book. Pub Date : 1900-01-01 DOI: 10.31044/1994-6260-2022-0-13-3-18
Yu. V. Shklyaev
{"title":"Isoquinoline alkaloids Amarillidaceae. Crinal alkaloids.","authors":"Yu. V. Shklyaev","doi":"10.31044/1994-6260-2022-0-13-3-18","DOIUrl":"https://doi.org/10.31044/1994-6260-2022-0-13-3-18","url":null,"abstract":"","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124414771","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
Prediction of rheological parameters of polymers, using gradient boosting algorithm CatBoost 基于梯度增强算法CatBoost的聚合物流变参数预测
All the Materials. Encyclopedic Reference Book. Pub Date : 1900-01-01 DOI: 10.31044/1994-6260-2023-0-6-21-29
A. Chepurnenko, Tatiana Kondratieva, Timur Deberdeev, V. Akopyan, A. Avakov, V. Chepurnenko
{"title":"Prediction of rheological parameters of polymers, using gradient boosting algorithm CatBoost","authors":"A. Chepurnenko, Tatiana Kondratieva, Timur Deberdeev, V. Akopyan, A. Avakov, V. Chepurnenko","doi":"10.31044/1994-6260-2023-0-6-21-29","DOIUrl":"https://doi.org/10.31044/1994-6260-2023-0-6-21-29","url":null,"abstract":"The article deals with the problem of determining the rheological parameters of polymers from stress relaxation curves using the CatBoost machine learning algorithm. The model is trained on theoretical curves constructed using the non-linear Maxwell-Gurevich equation. A comparison is made with other methods, including the classical algorithm, non-linear optimization methods and artificial neural networks.","PeriodicalId":166286,"journal":{"name":"All the Materials. Encyclopedic Reference Book.","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121677717","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
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