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AN EXAMINATION OF THE FACTORS DEFINING ENGINEERING TECHNOLOGY IN BIOPLASTICS AS WELL AS THEIR ANTECEDENTS AND DETERMINANTS 在生物塑料以及他们的前因和决定因素定义工程技术的因素的检查
Pub Date : 2022-12-30 DOI: 10.31435/rsglobal_ws/30122022/7898
Bernard Clayton
There is no doubt that the use of bioplastics in the industry has become more widespread in recent years, but the process of these bioplastics remains one of the biggest challenges that remain to be overcome, despite the fact that the use of these materials is becoming more widespread in industry. For plastic engineers and researchers, this paper provides a basic, practical and valuable understanding of the differences between bioplastics and biodegradable polymers. This paper also contains information on different ways that bioplastics can be processed in various ways, in a methodical manner, as well as different ways in which they can be processed in different ways. The name bioplastic implies that it is a plastic material made from renewable biomass sources such as vegetable oil, fat, corn starch, straw, wood chips, sawdust, and even recycled food waste can be used to produce bioplastics. Some bioplastics can be produced directly through the processing of natural biopolymers such as starch, cellulose, chitosan, and alginate, as well as proteins (such as soy protein, gluten, and gelatin). Several of these compounds are chemically synthesized from sugar derivatives (such as lactic acid) and lipids (oils and fats) derived from plants or animals or are biologically generated by fermentation. Compared to petroleum or natural gas-based plastics (also known as petrochemicals), common plastics are derived from fossil fuels.
毫无疑问,近年来生物塑料在工业上的应用越来越广泛,但尽管这些材料在工业上的应用越来越广泛,但这些生物塑料的加工过程仍然是有待克服的最大挑战之一。对于塑料工程师和研究人员来说,本文提供了对生物塑料和生物可降解聚合物之间差异的基本,实用和有价值的理解。这篇论文还包含了关于生物塑料可以以不同的方式以系统的方式加工的不同方式的信息,以及它们可以以不同的方式加工的不同方式。生物塑料这个名字意味着它是一种由可再生生物质来源制成的塑料材料,如植物油、脂肪、玉米淀粉、秸秆、木屑、锯末,甚至回收的食物垃圾都可以用来生产生物塑料。一些生物塑料可以直接通过加工天然生物聚合物,如淀粉、纤维素、壳聚糖和海藻酸盐,以及蛋白质(如大豆蛋白、麸质和明胶)来生产。这些化合物中有几种是由糖衍生物(如乳酸)和脂类(油和脂肪)从植物或动物中提取的化学合成的,或者是由生物发酵产生的。与石油或天然气塑料(也称为石化产品)相比,普通塑料来自化石燃料。
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引用次数: 0
BEARING CAPACITY OF HINGELESS CIRCULAR ARCHES MADE OF CONCRETE AND FIBER CONCRETE UNDER HYDROSTATIC PRESSURE 静水压力下混凝土和纤维混凝土无铰圆拱承载力研究
Pub Date : 2022-12-30 DOI: 10.31435/rsglobal_ws/30122022/7904
Surianinov M. H., Neutov S. F., Soroka M. M., Kirichenko D. O., Chuchmai O. M.
The authors presented a numerical and experimental study of the bearing capacity of circular concrete and fiber concrete arches The authors made a stand to determine the bearing capacity of arches models under hydrostatic pressure. The hingeless arches were made of C16/20 concrete; one arch was made of unreinforced concrete, and the second arch had 1% steel anchor fiber added to the mix. ANSYS software was used for computer modeling and numerical analysis by the finite element method. When testing the concrete arch, the breaking load was 710 kN, and when testing the fiber concrete arch, it was 810 kN, that is, the bearing capacity of the fiber concrete arch determined experimentally was 1.13 times higher. The results of experimental and numerical investigations agree well with each other and with the results of theoretical calculations. Comparison of normal stresses in the experiment determined at strain gauge points with their theoretical values gives a maximum discrepancy of 9.6 % for the concrete arch and 9.2 % for the fiber concrete one. It is recommended to increase the load-bearing capacity of the structure by means of a more uniform dispersed reinforcement of the arch.
本文对圆形混凝土和纤维混凝土拱的承载力进行了数值和试验研究,提出了确定静水压力下拱模型承载力的方法。无铰拱由C16/20混凝土制成;一个拱由非钢筋混凝土制成,第二个拱在混合料中加入了1%的钢锚纤维。利用ANSYS软件进行了计算机建模和有限元数值分析。试验混凝土拱时,破坏荷载为710 kN,试验纤维混凝土拱时,破坏荷载为810 kN,即试验确定的纤维混凝土拱承载力高1.13倍。实验和数值研究结果与理论计算结果吻合较好。将试验中应变测量点的正应力与理论值进行比较,混凝土拱和纤维混凝土拱的最大差异分别为9.6%和9.2%。建议通过对拱进行更均匀的分散加固来提高结构的承载能力。
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引用次数: 0
THE HEAVY SNOWFALL IN THE LVIV REGION 利沃夫地区的大雪
Pub Date : 2022-12-30 DOI: 10.31435/rsglobal_ws/30122022/7908
Семергей-Чумаченко А. Б., Агайар Е. В., Біла В. С.
The relevance of determining the type of circulation and thermodynamic conditions of heavy snowfall in the Lviv region is due to the significant complication of meteorological conditions for aircraft flight due to heavy snowfall. Revealed the significant annual snowfall in the Lviv region from 2011 to 2021 at each station of the region with an increase in the number of cases towards the Carpathian Mountains. Established that heavy snowfall was observed at the stations of the Lviv region once every 3-5 years, with an increase in the number of cases after 2016, and the maximum of the annual flow occurred in February and December. Determined that heavy snowfalls were mainly formed under the influence of the occluded front during the movement or formation of the cyclone center over the northwest of Ukraine within the cold high-altitude baric basin at the level of 500 hPa during the north-west transport of air masses at altitudes from 750 to 3000 m.
确定利沃夫地区大雪的环流类型和热力条件的相关性是由于大雪使飞机飞行的气象条件非常复杂。揭示了从2011年到2021年,利沃夫地区每个站点的年降雪量都很大,喀尔巴阡山脉的病例数量有所增加。确定利沃夫地区各站点每3-5年出现一次强降雪,2016年以后出现的次数有所增加,年流量的最大值出现在2月和12月。确定强降雪主要是在气旋中心在乌克兰西北部500 hPa冷高气压盆地内的移动或形成过程中,在750 - 3000 m高度气团西北输送过程中,在闭塞锋的影响下形成的。
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引用次数: 0
RELATIONSHIP BETWEEN TEMPERATURE AND SPEED OF TURNING PROCESS OF AISI1045 STEEL BY ST3000 ALLOY st3000合金车削aisi1045钢时温度与速度的关系
Pub Date : 2022-12-30 DOI: 10.31435/rsglobal_ws/30122022/7900
Saruulbold Sukhbaatar
Today, mechanical processing is the main method of processing steel and cast iron. Since mechanical processing methods are more accurate than others. Turning is the most basic process in machining, in the turning are used many types of cutting tools are made of different materials. The most important cutting tool property is its durability. The durability of the cutting tool defines the lifetime of this cutting tool and it determines its suitability for select technological operations. Nonetheless, studies show that durability depends on cutting speed and mode. Nowadays, the durability of the cutting tool is determined by a formula in analytical and empirical ways, and also modeling methods are widely used. In this study, we use AdvantEdge to determine the relationship between the temperature at the cutting zone and cutting speed. The analysis results show that the temperature at the cutting zone (245à239.49à226.2770С) decreases as the cutting speed increases. As researchers, we believe that a large amount of the heat generated with increasing cutting speed was removed from the workpiece by the chip.
今天,机械加工是加工钢和铸铁的主要方法。由于机械加工方法比其他方法更精确。车削是机械加工中最基本的工序,在车削中使用的是许多种类的刀具,它们是由不同的材料制成的。刀具最重要的性能是它的耐久性。刀具的耐用性决定了刀具的使用寿命,并决定了其适合于选择的技术操作。然而,研究表明,耐久性取决于切割速度和模式。目前,刀具耐用性的确定主要采用解析法和经验法,并广泛采用建模法。在本研究中,我们使用AdvantEdge来确定切削区温度与切削速度之间的关系。分析结果表明,随着切削速度的增加,切削区温度(245à239.49à226.2770С)逐渐降低。作为研究人员,我们认为随着切削速度的增加而产生的大量热量被切屑从工件上带走了。
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引用次数: 0
THE RESULTS OF COMPARING THE PARAMETERS OF BIOCHEMICAL COMPOSITION OF DIFFERENT SOYBEAN SPECIES SEEDS, GROWN IN THE CONDITIONS OF CHUI VALLEY 结果比较了不同品种大豆种子在翠谷条件下的生化组成参数
Pub Date : 2022-12-30 DOI: 10.31435/rsglobal_ws/30122022/7896
Biimyrsaeva Aidana Kamchybekovna
The article reflects the main indicators of the chemical composition of American and Russian soybean species seeds. In 2019 y., field experiments and research have been carried out in the conditions of Chui Valley. Nowadays it is considered that soybean - major source of plant protein and it occupies a leading position in the production of vegetable oil in world production. Its biochemical composition of seeds is rich and varied depending on the species. In the course of the research, we studied the biological and morphological characteristics of the tested soybean species. At the end of its growing season and physiological ripeness, a crop was harvested from these species - Emerge 2t29, Emerge 2282, Slavia, Vilana, Ultra. The number of proteins, lipids, and carbohydrates, as well as the qualitative composition of these groups of substances in soybean seeds, vary significantly depending on the varietal characteristics and cultivation conditions of the crop. After researching and comparing, we can conclude that American species are superior to others in protein content, and Russian varieties are superior in fat content in seeds. In this connection, it can be recommended to local agronomists to cultivate it in large volumes, considering with the conditions.
本文反映了美国和俄罗斯大豆品种种子化学成分的主要指标。2019年1月,在翠谷条件下开展了田间试验研究。目前,大豆被认为是植物蛋白的主要来源,在世界植物油生产中占有主导地位。其种子的生化成分丰富,因种而异。在研究过程中,我们研究了被试大豆品种的生物学和形态学特征。在其生长季节结束和生理成熟时,从这些物种中收获作物-浮现2t29,浮现2282,斯拉维亚,维拉纳,Ultra。大豆种子中蛋白质、脂类和碳水化合物的数量,以及这些物质的定性组成,因品种特征和作物栽培条件的不同而有很大差异。经研究比较,美洲品种籽粒蛋白质含量优于其他品种,俄罗斯品种籽粒脂肪含量优于其他品种。因此,可以根据当地的条件,建议当地农艺师大量种植。
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引用次数: 0
INFLUENCE OF L. PARACASEI SPP. PARACASEI BN ATC 8W ON THE GROWTH OF E. СOLI IN SKIMMED MILK 副干酪乳杆菌对脱脂乳中e . Сoli生长的影响
Pub Date : 2022-12-30 DOI: 10.31435/rsglobal_ws/30122022/7899
Vusala Sh. Zulfigarova, Saib Q. Gulahmadov
The bacteriocinogenic strain Lactobacillus paracasei spp. paracasei BN ATC 8w was isolated from traditional «Motal» cheese and has strong antimicrobial activity against some Gram-positive and Gram-negative bacteria. The in situ activity of the strain was studied in skimmed milk against E. coli ATCC 25922 for 24 hours. Cooperative cultivation of the active strain L. paracasei spp. paracasei BN ATC 8w with E. coli ATCC 25922 сells in skimmed milk at a concentration of OD 0.28 after 24 hours (300C) led to a decrease up to almost 50% of the concentration of E. coli, which was found in the absence of an active strain in the medium. This indicates the in situ efficiency of the L. paracasei spp. paracasei BN ATC 8w in skim milk for the biological protection of dairy products from opportunistic pathogens.
产菌菌株副干酪乳杆菌BN ATC 8w从传统«Motal»奶酪中分离得到,对革兰氏阳性菌和革兰氏阴性菌均有较强的抑菌活性。在脱脂牛奶中研究了菌株对大肠杆菌ATCC 25922的原位活性24小时。与大肠杆菌ATCC 25922细胞合作培养活性菌株L. paracasei spp. paracasei BN ATC 8w, OD浓度为0.28,在脱脂牛奶中(300℃)培养24小时后,大肠杆菌的浓度下降了近50%,这是在培养基中没有活性菌株的情况下发现的。这表明了副干酪乳杆菌BN ATC 8w在脱脂牛奶中对乳制品的生物保护作用。
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引用次数: 0
RESEARCH WORK OF RESOURCE FOR USING STRAIN GAGE TO DO CUTTING FORCE MEASURING TOOL 利用应变片做切削力测量工具的资源研究工作
Pub Date : 2022-12-30 DOI: 10.31435/rsglobal_ws/30122022/7901
Saruulbold S., Oyunbat G.
Some measuring tools such as pressure gauges, weight gauges, and the grave of pressure gauges were made by using a Strain gage. Based on the principle of these measuring tools Strain gage is required to carry out the force of the lathe machine. That experiment is determined the power of measuring equipment how to increase electromagnetic current, voltage difference, and the magnitude of the resistance, depending on the relative dimension of the compressive strength of the material, and the relative displacement of the material compares to the change in resistance.
一些测量工具,如压力表、重量计和压力表的底座,都是用应变片制成的。根据这些测量工具的原理,应变片是用来测量车床上所需的力的。即实验确定的功率测量设备如何增加电磁电流、电压差,以及电阻的大小,取决于材料的相对尺寸的抗压强度,以及材料的相对位移与电阻的变化量的比较。
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引用次数: 0
APPLYING ERGONOMICS PRINCIPLES IN MANAGING DEVELOPMENT PROJECTS FOR UTILITY SERVICE PROVIDERS 运用人体工程学原理管理公用事业服务供应商的开发项目
Pub Date : 2022-12-25 DOI: 10.31435/rsglobal_ws/30122022/7967
Yuri Chernenko
In this study, the application of ergonomics principles in managing development projects for utility service providers (USP) is proposed. Based on the analysis of previous work, the need to increase the efficiency of managing USP development projects through ergonomic resource utilization is determined. The implementation of ergonomics principles that can be applied in the process of realizing an improved method of forming a dynamic organizational structure for managing USP development projects is discussed.
在本研究中,提出了人类工程学原理在管理公用事业服务提供商(USP)开发项目中的应用。在分析前人工作的基础上,确定了通过人体工程学资源利用来提高药典开发项目管理效率的必要性。讨论了在实现形成管理USP开发项目的动态组织结构的改进方法的过程中可应用的工效学原理的实施。
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引用次数: 0
MATHEMATICAL MODEL OF TRAFFIC FLOW DISTRIBUTION ACROSS THE ROADS NETWORK OF ROADS 交通流在路网中分布的数学模型
Pub Date : 2022-12-21 DOI: 10.31435/rsglobal_ws/30122022/7994
Volodymyr Petrovych Polischuk, Inna Anatoliivna Vyhovska
Due to the military conflict in Ukraine, there is a problem of restoring the road network through partial or complete reconstruction in accordance with the traffic flow intensities. Therefore, it is important to conduct an analysis of the functioning state of the road network. In areas with complex traffic conditions, there is a need for traffic management based on a model of traffic flow distribution using mathematical modeling methods.
由于乌克兰的军事冲突,存在根据交通流量强度进行部分或全部重建来恢复路网的问题。因此,对道路网络的运行状态进行分析是很重要的。在交通条件复杂的地区,需要运用数学建模方法建立基于交通流分布模型的交通管理。
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引用次数: 0
The RESULTS OF DETERMINING OF SOME PHYSICAL AND MECHANICAL PARAMETERS OF MIXED FEEDS, PREPARED BY TMR TECHNOLOGY 摘要对采用TMR技术制备的混合饲料进行了部分物理力学参数的测定
Pub Date : 2022-12-04 DOI: 10.31435/rsglobal_ws/30122022/7886
Solongo Tsetsenbat, Тuvshinjargal Dorjsuren, Amgalanzul Jargalsaikhan, Baatarkhuu Dorjsuren
Our country has been supporting the intensified cattle farms by policies and establishing as more farms in order to stabilize the population food supply and reduce the seasonal dependence of strategic food. The highly developed countries have been commonly using the TMR fodder technology for the intensified animal husbandry. This article analyses the main parameters of the usage and technological operation of the TMR fodder machines.
为了稳定人口粮食供应,减少战略粮食的季节性依赖,我国一直从政策上支持集约化养牛场,并建立更多的养牛场。发达国家已普遍采用TMR饲料技术进行集约化畜牧业。本文分析了TMR饲料机的主要使用参数和工艺操作。
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引用次数: 0
期刊
Pharmacy World & Science
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