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Ergonomic analysis applied in aquaculture 在水产养殖中的应用
Pub Date : 2023-11-01 DOI: 10.7769/gesec.v14i11.3112
Evandro Bezerra Soares, Felipe Facco Mendes Ferreira, Priscila Pasti Barbosa
Aquaculture plays a very important role in the current Brazilian scenario, helping the income of small families. This activity is considerably new and does not have a specific methodology developed for the fishing activity. Due to these factors, this ergonomic analysis at work (AET) study was carried out, with the purpose of identifying the causes of complaints of body pain and fatigue caused by this activity. For this analysis, the Ergolândia software was used, which is composed of several ergonomic methods. The method used in unloading was the National Institute for Occupational Safety and Health (NIOSH), which deals more specifically with lifting and transporting loads, which analyzes the weight of the load, position of hands and feet, inclination of the trunk, height of the load is raised. Collected data and images were also used as assistance. After carrying out the analyzes and verifying that at all stages the Lifting Index (IL) is above the recommended level, some improvement proposals were made to alleviate or eliminate these employee posture problems. All methodologies identified risk levels that require immediate or short-term ergonomic intervention, aiming to guarantee the safety and health of workers who carry out such activity. The implementation of measures designed to eliminate or minimize risk may involve the allocation of significant human and material resources, increasingly necessary for efficient management. Considering the complexity and variability of the tasks developed, it is recommended that such a decision be preceded by a new study using more precise risk assessment methodologies.
水产养殖在巴西目前的情况下发挥着非常重要的作用,有助于增加小家庭的收入。这项活动相当新颖,没有为捕鱼活动制定具体的方法。由于这些因素,进行了这项工作人体工程学分析(AET)研究,目的是确定由这项活动引起的身体疼痛和疲劳的原因。为了进行分析,使用了ergol ndia软件,该软件由几种人体工程学方法组成。卸载时使用的方法是国家职业安全与健康研究所(NIOSH),它更具体地处理起重和运输货物,分析货物的重量、手和脚的位置、躯干的倾斜度、货物的高度。收集的数据和图像也被用作辅助。在进行分析和验证所有阶段的提升指数(IL)均高于建议水平后,提出了一些改善建议,以减轻或消除这些员工姿势问题。所有方法都确定了需要立即或短期人体工程学干预的风险水平,目的是保证从事此类活动的工人的安全和健康。执行旨在消除或尽量减少风险的措施可能涉及分配大量人力和物质资源,这对有效管理越来越必要。考虑到所制定任务的复杂性和可变性,建议在作出这一决定之前进行一项新的研究,使用更精确的风险评估方法。
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引用次数: 0
Partner choices in the age of social media: are there significant relationships between following influencers on Instagram and partner choice criteria? 社交媒体时代的伴侣选择:在Instagram上关注有影响力的人与伴侣选择标准之间是否存在显著关系?
Pub Date : 2023-11-01 DOI: 10.7769/gesec.v14i10.3022
Shaghayegh Nosrati, Maryam Sabzali, Aida Arsalani, Morteza Darvishi, Sharareh Aris
Social Media Influencers (SMIs) are active members of social networks who have a huge number of followers. Some studies have called them the opinion leaders of the age of social media. These people are likely to affect the different aspects of beliefs and/or behaviors of the people who follow them. The current study aimed to investigate the relationships between people’s partner choice criteria on the one hand, and the amount and type of attention they dedicated to influencers on the other hand. A survey was conducted to see if people who pay more or less attention to influencers perceived appearance, wealth, religiousness, culture, and personality as important criteria in their partners. The results showed that there were direct relationships between dedicating attention to influencers and perceiving wealth and appearance to be important. Moreover, there was a significant relationship between dedicating attention to influencers and religiousness but it was an indirect relationship.
社交媒体影响者(SMIs)是社交网络中拥有大量追随者的活跃成员。一些研究称他们为社交媒体时代的意见领袖。这些人可能会影响追随他们的人的信仰和/或行为的不同方面。目前的研究旨在调查人们的伴侣选择标准与他们对网红的关注程度和类型之间的关系。研究人员进行了一项调查,以了解那些对网红更关注或更不关注的人是否认为外表、财富、宗教信仰、文化和个性是他们伴侣的重要标准。结果表明,关注有影响力的人与重视财富和外表之间存在直接关系。此外,对影响者的关注与宗教信仰之间存在显著关系,但这是一种间接关系。
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引用次数: 0
On the problem of the densest packing of spherical segments into a sphere 关于球段最密集填充成球的问题
Pub Date : 2023-11-01 DOI: 10.7769/gesec.v14i11.3021
Duc Thinh Vu, The Bao Phung, A.A. Lempert, Duc Minh Nguyen
The paper considers a particular variant of the classical optimal packing problem when the container is a sphere, the packed elements are equal spherical caps, and the optimality criterion is to maximize their geodesic radius. At the same time, we deal with a special integral metric to determine the distance between points, which becomes Euclidean in the simplest case. We propose a heuristic numerical algorithm based on the construction of spherical Voronoi diagrams, which makes it possible to obtain a locally optimal solution to the problem under consideration. Numerical calculations show the operability and effectiveness of the proposed method and allow us to draw some conclusions about the properties of packings.
本文考虑了经典最优填充问题的一个特殊变体,当容器是一个球体,填充单元是相等的球帽,最优性准则是最大化它们的测地线半径。同时,我们处理了一个特殊的积分度规来确定点之间的距离,在最简单的情况下,它变成了欧几里得。我们提出了一种基于球形Voronoi图构造的启发式数值算法,该算法使所考虑问题的局部最优解成为可能。数值计算表明了该方法的可操作性和有效性,并使我们对填料的性质得出了一些结论。
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引用次数: 0
Implementation of a reliability cell in a natural gas treatment unit 天然气处理装置可靠性单元的实现
Pub Date : 2023-11-01 DOI: 10.7769/gesec.v14i11.3113
Evandro Bezerra Soares, Felipe Facco Mendes Ferreira, Priscila Pasti Barbosa
Maintenance management in large companies is essential to ensure the continuous, safe and efficient operation of their complex systems and assets. The implementation of reliability cells plays a crucial role in this context. These cells are multidisciplinary teams dedicated to improving equipment reliability through data analysis, performance monitoring, predictive maintenance, and preventive actions. By adopting this approach, companies can proactively identify potential failures, minimize unplanned downtime, and extend asset life. Furthermore, reliability cells contribute to worker safety, reduced operating costs and increased market competitiveness, making them a crucial tool in the management of large companies. In this context, the implementation of the security cell aims to improve and solve problems in a simplified way, through strategic planning. Through data validation, performance, and disclosure with their pre-determined deadlines for each subsystem of the unit, corrective maintenance was minimized, and preventive and predictive maintenance were improved, generating maximum equipment availability.
大型公司的维护管理对于确保其复杂系统和资产的持续、安全和高效运行至关重要。在这种情况下,可靠性单元的实现起着至关重要的作用。这些单元是多学科团队,致力于通过数据分析、性能监测、预测性维护和预防措施提高设备可靠性。通过采用这种方法,公司可以主动识别潜在故障,最大限度地减少计划外停机时间,并延长资产寿命。此外,可靠性单元有助于工人的安全,降低操作成本,提高市场竞争力,使其成为大公司管理的重要工具。在这种情况下,安全单元的实施旨在通过战略规划以简化的方式改进和解决问题。通过对每个子系统的数据验证、性能和披露以及预先确定的截止日期,可以最大限度地减少纠正性维护,改进预防性和预测性维护,从而最大限度地提高设备的可用性。
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引用次数: 0
Improvement intervention proposal for a small clothing company: airtable software 某小型服装公司改进干预方案:airtable软件
Pub Date : 2023-11-01 DOI: 10.7769/gesec.v14i11.3111
Felipe Facco Mendes Ferreira, Evandro Bezerra Soares, Priscila Pasti Barbosa
The basis for any industry to achieve high growth potential and, consequently, profitability, comes from organization, efficiency, standardization, quality, among other factors. Entrepreneurs are often unable to pinpoint how damaging the disorganization of a production process is, poor programming and development can suck up all the company's profits, and due to the lack of planning and production control this situation can be imperceptible in the final process. All of these points can be resolved with good company organization aligned with good production planning and control. However, every optimization process requires everyone's involvement and commitment, that is, everyone needs to be willing to donate to achieve process improvement that brings positive impacts to both the worker and the company. In this work we observed the importance of developing and implementing Production Planning, Programming and Control (PPCP) software on an online platform called Airtable. With the software it was possible to access the company's entire data history, making the information easily accessible for everyone in the company. As a result, it was possible to see a significant improvement in the company's organization, a reduction in lead time and consequently a significant growth.
任何行业实现高增长潜力并因此获得盈利的基础都来自组织、效率、标准化、质量以及其他因素。企业家往往无法准确地指出生产过程的混乱有多大的破坏性,糟糕的编程和开发可能会吸走公司的所有利润,并且由于缺乏计划和生产控制,这种情况在最终过程中可能难以察觉。所有这些问题都可以通过良好的公司组织和良好的生产计划和控制来解决。然而,每一个优化过程都需要每个人的参与和承诺,也就是说,每个人都需要愿意捐款,以实现对员工和公司都有积极影响的过程改进。在这项工作中,我们观察到在一个名为Airtable的在线平台上开发和实施生产计划、编程和控制(PPCP)软件的重要性。有了这个软件,就可以访问公司的整个数据历史,使公司的每个人都能轻松访问这些信息。因此,公司的组织结构有了显著的改善,交货时间缩短了,从而实现了显著的增长。
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引用次数: 0
Risk management in medicine: the process of identification, assessment and control of risks in medical practice 医学风险管理:在医疗实践中识别、评估和控制风险的过程
Pub Date : 2023-11-01 DOI: 10.7769/gesec.v14i10.3023
Liliya Tishko, Svitlana Dramaretska, Anton Kurbanov, Vitaliy Yunger
Risks accompany any activity of a person, company, or country throughout life. The healthcare industry is no exception, given the constant difficult situations that occur with patients, medical personnel, and healthcare facilities in general. All risks in medical practice can be divided into different groups according to the object in the risk zone: general risks (economic, financial, environmental, military, etc.), specific risks aimed at the patient (diagnostic, therapeutic, pharmacotherapeutic, etc.), and specific risks aimed at the healthcare employee (working conditions, contact with hazardous infections, etc.). Risk governance is one of the prio rities of healthcare institutions in achieving their goals because there is always a chance that something will go wrong, not as it was planned. In the field of healthcare, as in other industries, to assess and analyze the risks one can use risk matrices. These matrices allow for quantitative, semi-quantitative, and qualitative risk analysis. The latter makes it possible to develop the right strategy for responding to and mitigating those risks. This study aims to conduct comprehensive research of the risk stages in medical practice, as well as to provide detailed recommendations for risk analysis and emphasize the importance of corporate risk governance in healthcare activities. The authors analyzed the data collected since 2013. It has been found that the study of the overall risk level assigned to each incident helps to determine the urgency and degree of control measures required.
风险伴随着个人、公司或国家一生的任何活动。医疗保健行业也不例外,因为患者、医务人员和医疗保健机构经常遇到困难。医疗实践中的所有风险可以根据风险区域中的对象分为不同的类别:一般风险(经济、金融、环境、军事等),针对患者的特定风险(诊断、治疗、药物治疗等),针对医护人员的特定风险(工作条件、接触危险感染等)。风险治理是医疗保健机构在实现其目标时的优先事项之一,因为总有可能出现与计划不同的情况。与其他行业一样,在医疗保健领域,可以使用风险矩阵来评估和分析风险。这些矩阵允许进行定量、半定量和定性的风险分析。后者使制定应对和减轻这些风险的正确战略成为可能。本研究旨在对医疗实践中的风险阶段进行全面研究,并为风险分析提供详细建议,强调企业风险治理在医疗活动中的重要性。作者分析了自2013年以来收集的数据。研究发现,对每个事件的总体风险水平进行研究有助于确定所需控制措施的紧迫性和程度。
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引用次数: 0
Factors affecting the start-up environment to start-up intention of students in the university of economy in the Mekong Delta, Vietnam 越南湄公河三角洲经济学院大学生创业环境对创业意向的影响因素
Pub Date : 2023-11-01 DOI: 10.7769/gesec.v14i10.3020
Nguyen Giac Tri
This study aims to evaluate the factors affecting the start-up environment to the entrepreneurial intention of students majoring in economics at universities in the Mekong Delta. Research data is collected from 500 final year students, majoring in economics of 10 universities in the Mekong Delta with a high percentage of students starting a business after graduation. The study was carried out through two phases: qualitative research and quantitative research. Besides, the data analysis method was selected (1) to assess the reliability of the Cronbach's Alpha scale; (2) exploratory factor analysis (EFA); (3) Pearson correlation coefficient test to measure the relationship between variables; (4) linear regression analysis. The research results show, environmental factors including perceived barriers in the start-up environment, environment to encourage entrepreneurship at university and social perception of business owners have an influence on the intention to start a business. students' careers.
本研究旨在探讨湄公河三角洲地区高校经济学专业大学生创业意愿的影响因素。研究数据来自湄公河三角洲地区10所大学经济学专业的500名应届毕业生,这些学生毕业后创业的比例很高。本研究分为定性研究和定量研究两个阶段。此外,采用数据分析方法(1)对Cronbach's Alpha量表的信度进行评估;(2)探索性因子分析(EFA);(3) Pearson相关系数检验,衡量变量之间的关系;(4)线性回归分析。研究结果表明,环境因素包括创业环境的感知障碍、大学鼓励创业的环境和企业主的社会感知对创业意愿有影响。学生的职业生涯。
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引用次数: 0
Investigation of the mediating role of real earnings smoothing in the relationship between financial distress and the use of trade credit 考察实际盈余平滑在财务困境与贸易信贷使用关系中的中介作用
Pub Date : 2023-10-31 DOI: 10.7769/gesec.v14i10.3019
Saeed Moghadamfar, Mahdi Asharion Qomizadeh
Taking into account the premise of rational expectations and the necessity of allocative efficiency, financial resources are expected to flow in the direction that would create the most efficiency. Also, given the asymmetry of information and the ethical risk raised between the providers of financial information and its users, external users are expected to have the required and sufficient knowledge of the final product of the financial reporting process, i.e., audited financial statements, the quality of financial statements, and the possibility of biased reporting, and also to optimally use the information contained in it for their economic decisions. Financially distressed firms are naturally expected to lose the trust of suppliers, and suppliers are reluctant to grant trade credit to such firms. The statistical population of the present research consists of all the companies listed on the Tehran Stock Exchange that have submitted their financial statements during the period of 1390 to 1400 (2011 to 2021). The present research, therefore, can also be helpful for standard-setting institutions (auditing organizations) to develop standards concerning the conditions by considering the financial situation of companies such as financial distress as exceptional conditions that may distort the effective implementation of some accounting standards. They can also revise and make adjustments to the stricter accounting rules affecting earnings management, especially in situations where managers are under a lot of pressure.
考虑到理性预期的前提和配置效率的必要性,预计财政资源将流向能够创造最高效率的方向。此外,考虑到信息的不对称以及财务信息提供者和财务信息使用者之间产生的道德风险,外部使用者应该对财务报告过程的最终产品,即经审计的财务报表、财务报表的质量和有偏见的报告的可能性有必要和充分的了解,并在其经济决策中最佳地使用其中包含的信息。陷入财务困境的企业自然会失去供应商的信任,而供应商也不愿向此类企业提供贸易信贷。本研究的统计人口包括在德黑兰证券交易所上市的所有公司,这些公司在1390年至1400年(2011年至2021年)期间提交了财务报表。因此,本研究也有助于准则制定机构(审计组织)将公司财务状况(如财务困境)视为可能扭曲某些会计准则有效实施的例外情况,从而制定有关条件的准则。他们还可以修改和调整影响盈余管理的更严格的会计规则,特别是在管理人员面临很大压力的情况下。
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引用次数: 0
The effect of smoking on respiratory functions in athletes 吸烟对运动员呼吸功能的影响
Pub Date : 2023-10-31 DOI: 10.7769/gesec.v14i10.2962
Serkan Aydin
The aim of this study was to investigate the effect of smoking on respiratory functions in athletes. A total of 12 American football players with an age, height and body mass means of 22.50±1.62 years, 182.83±5.85 cm., 88.91±18.99 kg. voluntarily participated in the study. The participants were competitive players with at least five years of continuous training and competition experience. Respiratory functions of the athletes were measured with a Minispir hand-held spirometer. Forced Vital Capacity (FVC), Peak Expiratory Flow (PEF), Maximal Voluntary Ventilation (MVV) values were measured. Data were analyzed using IBM SPSS 26 package program. Because the distribution of the data was not normal, the Mann Whitney-U test and Spearman correlation test, a nonparametric test, were used to compare the data between the smoker and non-smoker groups. The significance level was accepted as p<0.05. Although numerically positive effects were found on the respiratory function of non-smokers compared to smokers, there was no statistically significant difference or correlation relationship between the data constituting these effects. As a result, it was found that the respiratory function of American football players who smoked cigarettes was lower than that of non-smokers. In line with these results, it can be stated that smoking has a negative effect on respiratory functions.
本研究旨在探讨吸烟对运动员呼吸功能的影响。共有12名美国橄榄球运动员,年龄、身高、体重均值为22.50±1.62岁,182.83±5.85 cm。, 88.91±18.99公斤。自愿参加本研究。参与者是具有至少五年连续训练和比赛经验的竞技选手。用Minispir手持式肺活量计测量运动员的呼吸功能。测定用力肺活量(FVC)、最大呼气流量(PEF)、最大自主通气(MVV)值。数据分析采用IBM SPSS 26软件包程序。由于数据的分布不是正态分布,因此使用Mann Whitney-U检验和Spearman相关检验(一种非参数检验)来比较吸烟组和不吸烟组之间的数据。接受显著性水平为p<0.05。虽然与吸烟者相比,非吸烟者的呼吸功能受到了数值上的积极影响,但构成这些影响的数据之间没有统计学上的显著差异或相关关系。结果发现,吸烟的美式足球运动员的呼吸功能低于不吸烟的人。根据这些结果,可以说吸烟对呼吸功能有负面影响。
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引用次数: 0
Management teams: psychology of interaction during the process of innovative professional activity 管理团队:创新专业活动过程中的互动心理
Pub Date : 2023-10-31 DOI: 10.7769/gesec.v14i10.2983
Andrey Cherkassky, Larysa Lisina, Vira Baryshnikova, Tetiana Hrytsiv, Svitlana Bykova
The article examines the essence of the psychology of interaction in the process of innovative professional activity. The authors define the essence of the "management team" concept, the stages of its formation, and the features of the management team. In addition, the causes of conflicts in management teams, their characteristics, and the consequences for effective teamwork on the project are considered. The study describes the mechanisms of interaction in management teams and the ways to solve their problems. The authors describe the essence of disagreements in management teams, where the group members are both managers with a long history of holding a certain position and also newly appointed managers. The article also examines the essence of conflicts in management teams. The main factors of the appearance of conflicts are determined, where the character is given to such factors as the location of all team members on the same management horizon, the desire for leadership, the presence of experience in some team members compared to others, the relationship of the problematic issue to a certain department, the essence of the project. At the same time, the characteristics of interaction in the team are carried out. The authors characterize such ways of interaction as "shuttle diplomacy," executive influence, pressure from some team members on others, the presence of a common goal, and a motivational component. The study aims to highlight the essence of the psychology of interaction in the process of innovative professional activity in management teams.
本文考察了创新专业活动过程中互动心理的本质。界定了“管理团队”概念的内涵、形成阶段以及管理团队的特征。此外,还考虑了管理团队中冲突的原因、冲突的特点以及对项目中有效团队合作的影响。本研究描述了管理团队中相互作用的机制和解决问题的方法。作者描述了管理团队中分歧的本质,其中团队成员既有长期担任某一职位的管理者,也有新任命的管理者。本文还探讨了管理团队冲突的本质。冲突出现的主要因素是确定的,其中的特征是赋予这些因素,如所有团队成员在同一管理水平上的位置,对领导的渴望,与其他团队成员相比,某些团队成员的经验存在,问题问题与某个部门的关系,项目的本质。同时,对团队互动的特点进行了分析。作者将这种互动方式描述为“穿梭外交”、行政影响、团队成员对其他成员的压力、共同目标的存在以及激励成分。本研究旨在突出管理团队创新专业活动过程中互动心理的本质。
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引用次数: 0
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Revista de Gestao e Secretariado-GeSeC
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