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PATTERN SYNTHESIS OF THE CIRCULAR ARRAY IN TRANSMITTING MODE 发射模式下圆形阵列的方向图合成
V. Tiutiunnyk, A. Dudush, I. Trofymov
Circular array (CA) – an array of elements the corresponding points of which lie on a circle. The creation of the theory of phase excitation [1-5] made it possible to apply for CA the well-known methods of synthesis of directional pattern (DP) and reduction of the side-lobe level (SLL) developed for linear arrays (LA). Investigations of the beamforming algorithms for single-ring CA base on the application of the phase excitation theory provisions. It indicates on the existing differences in the formation of the DP in the modes on receiving and transmitting [1, 3, 4, 6].
圆阵(CA) -一组元素,其对应点位于圆上。相位激励理论的建立[1-5]使得将众所周知的用于线性阵列(LA)的定向方向图合成(DP)和旁瓣电平降低(SLL)方法应用于CA成为可能。基于相位激励理论的单环CA波束形成算法研究。它表明在接收和发送方式上DP的形成存在差异[1,3,4,6]。
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引用次数: 0
KINETIC REGULARITIES OF METHANE DIMERIZATION REACTION 甲烷二聚反应的动力学规律
A. Normo‘minov, N. Fayzullaev
The article studies the factors affecting the rate of methane dimethylation reaction with catalytic oxidation, the kinetic laws of the reaction in a flow differential quartz reactor (P = 0.1 MPa, Vcat = 0.5 ml ÷ 2 ml, CH4 : O2 = 2 ÷ 4, contact time 0.1-0.09 sec) in the temperature range 750-850 C. Based on the study of such factors as the effect of temperature on methane conversion and product selectivity, the effect of oxygen and hydrogen additives on methane conversion and product selectivity, the effect of temperature on ethane selectivity, CH4:O2=3:1 on acetylene selectivity for various concentrations of methane in the mixture, a mechanism for the formation of ethane, ethylene, acetylene, and carbon dioxide reactions was proposed and a kinetic model was created. Introduction. Currently, the demand for petroleum products around the world is growing. Vinyl chloride, polyethylene, ethylene oxide, vinyl acetate, lavsan and others are in great demand. The main feedstock for all of the above substances is ethylene. Currently, ethylene is mainly thermally decomposed into gasoline. The 128  Korszerű műszerek és algoritmusa tapasztalati és elméleti tudományos kutatási  Hang 1
本文研究了影响催化氧化甲烷二甲基化反应速率的因素,以及在流动差速石英反应器(P = 0.1 MPa, Vcat = 0.5 ml ÷ 2 ml, CH4)中反应的动力学规律:在研究温度对甲烷转化和产物选择性的影响、氧和氢添加剂对甲烷转化和产物选择性的影响、温度对乙烷选择性的影响、CH4:O2=3:1对乙炔选择性的影响的基础上,探讨了不同浓度甲烷混合物中乙烷、乙烯、乙炔的形成机理。提出了二氧化碳反应并建立了动力学模型。介绍。目前,世界各地对石油产品的需求正在增长。氯乙烯、聚乙烯、环氧乙烷、醋酸乙烯、lavsan等需求量很大。上述所有物质的主要原料都是乙烯。目前,乙烯主要是热分解成汽油。128 * korszerzerműszerek acoritmusa tapasztalati elmsameti tudományos kutatási * Hang 1
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引用次数: 4
ВИКОРИСТАННЯ СПРОЩЕНОГО РОЗРАХУНКОВОГО МЕТОДУ ДЛЯ ДОСЛІДЖЕННЯ ВІТРОВОГО ВПЛИВУ НА КРИТИЧНУ ПОВЕРХНЕВУ ГУСТИНУ ТЕПЛОВОГО ПОТОКУ
Анна Борисова, Вадим Ніжник
На сьогоднішній день питання вітрового впливу на процеси теплообміну вивчені не досконало. Науково не обґрунтованими залишається вплив вітру на значення критичної поверхневої густини теплового потоку при якому відбувається займання речовин і матеріалів. Відсутній спрощений розрахунковий метод дослідження вітрового впливу на критичну поверхневу густину теплового потоку, заснований на простих алгебраїчних співвідношеннях, що і стало причиною його розроблення. Для вирішення поставленого питання припустимо, що загальний (сумарний) тепловий потік, що опромінює речовини і матеріали, складається з двох складових –променевої та конвекційної та визначається за формулою (1).
迄今为止,风对传热过程的影响问题尚未得到深入研究。风对物质和材料发生燃烧的热通量临界表面密度值的影响仍然缺乏科学依据。目前还没有一种基于简单代数关系的简化计算方法来研究风对热通量临界表面密度的影响,这也是开发这种方法的原因。为了解决这个问题,我们假设辐照物质和材料的总(总)热通量由辐射和对流两部分组成,并由式 (1) 确定。
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引用次数: 0
CARBONATE CONVERSION OF METHANE 甲烷碳酸盐转化
T. Shoymardanov
A catalyst with high catalytic activity has been developed for the methane carbonate conversion reaction. Various factors (ratio CO2:CH4, temperature, initial volume rate and other factors, the yield of the desired product, process conversion and selectivity, as well as the effect of various promoters on catalyst activity in the presence of the selected catalyst in the methane carbonate conversion reaction rate) have been studied. As a result of the study, the following optimal reaction conditions were selected: CO2:CH4 =1,5, T=820 C, Vmethane = 1000 h. Based on the obtained results, a process mechanism is proposed. The reasons for the inactivation of the methane carbonate conversion reaction catalyst and its regeneration are discussed. Introduction. Today, around the world, 25 billion tons of carbon dioxide are emitted into the atmosphere every year. As a result of such a sharp increase in the amount of carbon dioxide in the atmosphere, an increase in temperature on Earth is predicted by 0.35 degrees over the next 15-20 years and by 1.5-2 degrees over 100120 years. This creates global environmental and economic problems [1-3]. The most promising way to solve this environmental problem is to synthesize gas by converting carbon dioxide into methane and producing methanol based on it [4-6]. The process of converting methane to carbon dioxide and producing "synthesis gas" has not yet been introduced into the industry due to the lack of a long-term stable catalyst, but it is important in terms of CO2 losses. Methane carbonate conversion is also a promising method with the simultaneous use of two different gases (methane and carbon dioxide), which cause a "greenhouse effect" and are of important environmental and economic importance. The methane carbonate conversion reaction is most important among synthesis gas (H2 and CO) production reactions. This process is an important reaction for the production of hydrogen in industry and is of great importance in the production of high molecular weight hydrocarbons, methanol, oxygen-containing organic substances and important products of the chemical industry according to the Fischer-Tropsch method [9-22]. The general equation of the methane carbonate conversion reaction is: CH4 + CO2 ↔ 2CO + 2H2, ∆H298K 0 = + 247 kJ/mol Additional reactions that may occur when methane is converted to carbonate: 1. CO2 + H2 ↔ CO + H2O, ∆H298K 0 = -41,1 kJ/mol 2. CH4 → C+ 2H2, ∆H298K 0 = +74,8 kJ/mol 3. CO2 + 4H2 ↔ CH4 + 2H2O, ∆H298K 0 = -165,0 kJ/mol 4. CH4 + H2O ↔ CO + 3H2, ∆H298K 0 = +206,0 kJ/mol 5. 2CO ↔C+ CO2, ∆H298K 0 = -72,5 kJ/mol 116  Korszerű műszerek és algoritmusa tapasztalati és elméleti tudományos kutatási  Hang 1
研制了一种具有高催化活性的甲烷碳酸盐转化反应催化剂。研究了各种因素(CO2:CH4比、温度、初始体积率等因素、期望产物收率、工艺转化率和选择性,以及在所选催化剂存在下各种促进剂对甲烷碳酸盐转化反应速率的影响)。研究结果确定了最佳反应条件:CO2:CH4 =1,5, T=820 C, Vmethane = 1000 h,并根据所得结果提出了工艺机理。讨论了碳酸甲烷转化反应催化剂失活及再生的原因。介绍。今天,全世界每年有250亿吨二氧化碳排放到大气中。由于大气中二氧化碳含量的急剧增加,预计未来15-20年地球温度将上升0.35度,100 - 120年将上升1.5-2度。这造成了全球性的环境和经济问题[1-3]。解决这一环境问题最有希望的方法是将二氧化碳转化为甲烷并以其为基础生产甲醇的合成气[4-6]。由于缺乏长期稳定的催化剂,将甲烷转化为二氧化碳并生产“合成气”的过程尚未引入工业,但就二氧化碳损失而言,这是重要的。甲烷碳酸盐转化也是一种很有前途的方法,它同时使用两种不同的气体(甲烷和二氧化碳),这两种气体会产生“温室效应”,对环境和经济都有重要意义。碳酸甲烷转化反应是合成气(H2和CO)生成反应中最重要的反应。该过程是工业上产氢的重要反应,在根据费托法生产高分子量碳氢化合物、甲醇、含氧有机物及化工重要产物等方面具有重要意义[9-22]。甲烷碳酸盐转化反应的一般方程式为:CH4 + CO2↔2CO + 2H2,∆H298K 0 = + 247kj /mol甲烷转化为碳酸盐时可能发生的其他反应:CO2 + H2↔CO + H2O,∆H298K 0 = -41,1 kJ/mol 2。CH4→C+ 2H2,∆H298K 0 = +74,8 kJ/molCO2 + 4H2↔CH4 + 2H2O,∆H298K 0 = - 166.5,0 kJ/molCH4 + H2O↔CO + 3H2,∆H298K 0 = +206,0 kJ/mol2CO↔C+ CO2,∆H298K 0 = -72,5 kJ/mol 116·korszerzerműszerek acoritmusa tapasztalati sams elmsametlet tudományos kutatási
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引用次数: 1
TEACHING CHAPTER «ELECTRIC RESISTANCE» 8th–CLASS, PHYSICS COURSE 物理课第8课教学章《电阻》
A. Umarov, Ibrahimjon Zohidov
This article is aimed at deepening the knowledge of the 8th class physics course on the comparative resistance of conductors by conducting laboratory classes "Determining the comparative resistance of a conductor" when studying the topic "Electrical resistance." The knowledge and qualifications of students on the use of conductors having less comparative resistance in laying new industries, as well as electrical networks are highlighted. In the 8th class textbook "Physics" on the topic "Electrical Resistance," it is well shown that the electrical resistance of a conductor is directly proportional to its length and inversely proportional to the cross-sectional area. It has also been explained that the electrical resistance depends on another constant value in addition to these two values and depends on the conductor material by forming an electrical circuit of conductors of the same length and the same cross-section. The advantage over a given theme. The term "resistance" is used in two different meanings: 1. Resistance characterizes one of the electrical properties of a circuit, network, wire or consumer. In this sense, it can be said that the resistance of the lighting lamp is 110 ohms or the resistance of the wire is 1.0 ohms. 2. A resistor is a device designed to be connected to limit or reduce the current in electrical circuits. An alternating resistor, called a rheostat, is designed to control the current in the circuit. The concept of resistivity is introduced, according to which the resistance of the conductor depends on the material of the conductor in addition to its dimensions. ~ R 
本文旨在通过开设“导体比较电阻的确定”实验课,加深物理八年级学生对导体比较电阻的认识。强调学生在铺设新工业和电网时使用相对电阻较小的导体的知识和资格。在《物理》第八课的“电阻”一节中,很好地说明了导体的电阻与导体的长度成正比,与导体的截面积成反比。还解释了电阻取决于这两个值之外的另一个常数,并通过形成相同长度和相同横截面的导体的电路取决于导体材料。优于给定主题的优势。“抵抗”一词有两种不同的含义:电阻表征电路、网络、电线或消费者的一种电学特性。从这个意义上说,可以说照明灯具的电阻是110欧姆或者电线的电阻是1.0欧姆。2. 电阻器是一种设计用来限制或减小电路中电流的装置。一个叫做变阻器的交流电阻器被设计用来控制电路中的电流。介绍了电阻率的概念,根据该概念,导体的电阻除了取决于导体的尺寸外,还取决于导体的材料。~ r
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引用次数: 0
ОБЛІКОВЕ ЗАБЕЗПЕЧЕННЯ УПРАВЛІННЯ РИЗИКАМИ
Марина Орищенко
each of which has its advantages and disadvantages, as well as its domain the most effective use, raises questions about the combination of dif-ferent measures. The combination of selected methods is made in the form of software risk management. This study indicates insufficient research risk management techniques, lack of classification of risk management techniques, confirms the need for a classification of risk management
每种方法都有其优点和缺点,以及其最有效的使用领域,提出了有关不同措施组合的问题。所选方法的组合以软件风险管理的形式进行。本研究表明风险管理技术研究不足,缺乏风险管理技术分类,确认了风险管理分类的必要性
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引用次数: 2
МОНІТОРИНГ ЗАХІДНОГО КУКУРУДЗЯНОГО ЖУКА В ПРАВОБЕРЕЖНОМУ ЛІСОСТЕПУ УКРАЇНИ
Наталія Скрипник
Objective — to investigate the effect of the growth regulat ing drug “Kornevin” on the rooting and rhizogenesis of the semi lignified cuttings of wood vines of the genera Ampelop sis Michx. and Parthenocissus Planch. Vitaceae family in condition of introduction in Right Bank of cuttings of the woody vines of Vitaceae family, is the concentration of growth regulating prepara tion “Kornevin” in aqueous solution, which is 2 g/l. The most favorable period for summer cuttings coincides with the phenological phase of fruit fastening. The effect of a cold stressor has a positive effect on the rooting and rhizo genesis of semi lignified cuttings.
目的:研究生长调节剂“科耐文”对葡萄属木本植物半木质化扦插生根的影响。和孤雌草。右岸引种条件下的Vitaceae科木本藤本植物扦插,为生长调节剂“Kornevin”在水溶液中的浓度,为2 g/l。夏扦插的最佳时期正好是果实固定的物候期。冷胁迫对半木质化插枝的生根和根茎形成有积极的影响。
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引用次数: 0
ПЕРСПЕКТИВИ ВИКОРИСТАННЯ LINUX ДЛЯ РОЗРОБКИ ПЗ
Ганна Краліна, Л. М. Костюченко
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引用次数: 0
USE OF MACHINE LEARNING TO IDENTIFY ANOMALIES IN CYBERATTACKS 使用机器学习来识别网络攻击中的异常情况
Volodymyr Matiievskyi
References: [1] Carmody, B. 6 Common Types of Diagnostic Medical Devices. (2020). Вилучено з https://www.verywellhealth.com/common-types-of-diagnostic-medical-equipment-2318211. [2] Device Software Functions Including Mobile Medical Applications. (2019). Вилучено з https://www.fda.gov/medical-devices/digital-health/device-software-functions-including-mobile-medicalapplications. [3] Roche Digital Diagnostics. (2020). Вилучено з https://diagnostics.roche.com/global/en/products/productcategory/roche-digital-diagnostics0.html. [4] Digital diagnosis: How your smartphone or wearable device could forecast illness. (2018). Вилучено з https://theconversation.com/digital-diagnosis-how-your-smartphone-or-wearable-device-could-forecastillness-102385. [5] Khudov, H., Savran, V., Huk, O., Nanivskyi R., Khizhnyak, I. & Solomonenko, Y. (2020). The Information Technology for Building a Test Sequence to Control the Technical Condition of Digital Devices. International Journal of Advanced Trends in Computer Science and Engineering, 9(4), 5987-5993. https://doi.org/10.30534/ijatcse/2020/265942020.
参考文献:[1]Carmody, B. 6常见类型的诊断医疗设备。(2020)。Вилучено з https://www.verywellhealth.com/common-types-of-diagnostic-medical-equipment-2318211。[2]设备软件功能,包括移动医疗应用程序。(2019)。Вилучено з https://www.fda.gov/medical-devices/digital-health/device-software-functions-including-mobile-medicalapplications。[3]罗氏数字诊断。(2020)。Вилучено з https://diagnostics.roche.com/global/en/products/productcategory/roche-digital-diagnostics0.html。数字诊断:你的智能手机或可穿戴设备如何预测疾病。(2018)。Вилучено з https://theconversation.com/digital-diagnosis-how-your-smartphone-or-wearable-device-could-forecastillness-102385。[10] Khudov, H., Savran, V., Huk, O., Nanivskyi R., Khizhnyak, I.和Solomonenko, Y.(2020)。建立测试序列以控制数字设备技术状态的信息技术。计算机科学与工程学报,9(4),587 - 593。https://doi.org/10.30534/ijatcse/2020/265942020。
{"title":"USE OF MACHINE LEARNING TO IDENTIFY ANOMALIES IN CYBERATTACKS","authors":"Volodymyr Matiievskyi","doi":"10.36074/18.09.2020.V1.26","DOIUrl":"https://doi.org/10.36074/18.09.2020.V1.26","url":null,"abstract":"References: [1] Carmody, B. 6 Common Types of Diagnostic Medical Devices. (2020). Вилучено з https://www.verywellhealth.com/common-types-of-diagnostic-medical-equipment-2318211. [2] Device Software Functions Including Mobile Medical Applications. (2019). Вилучено з https://www.fda.gov/medical-devices/digital-health/device-software-functions-including-mobile-medicalapplications. [3] Roche Digital Diagnostics. (2020). Вилучено з https://diagnostics.roche.com/global/en/products/productcategory/roche-digital-diagnostics0.html. [4] Digital diagnosis: How your smartphone or wearable device could forecast illness. (2018). Вилучено з https://theconversation.com/digital-diagnosis-how-your-smartphone-or-wearable-device-could-forecastillness-102385. [5] Khudov, H., Savran, V., Huk, O., Nanivskyi R., Khizhnyak, I. & Solomonenko, Y. (2020). The Information Technology for Building a Test Sequence to Control the Technical Condition of Digital Devices. International Journal of Advanced Trends in Computer Science and Engineering, 9(4), 5987-5993. https://doi.org/10.30534/ijatcse/2020/265942020.","PeriodicalId":175681,"journal":{"name":"KORSZERŰ MŰSZEREK ÉS ALGORITMUSA TAPASZTALATI ÉS ELMÉLETI TUDOMÁNYOS KUTATÁSI - Hang 1","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134534878","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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KORSZERŰ MŰSZEREK ÉS ALGORITMUSA TAPASZTALATI ÉS ELMÉLETI TUDOMÁNYOS KUTATÁSI - Hang 1
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