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A Comprehensive Survey on Semi-Automatic Solar-Powered Pesticide Sprayers for Farming 关于农用半自动太阳能农药喷雾器的全面调查
Pub Date : 2024-03-28 DOI: 10.55529/jeet.42.21.28
Dr. Altaf O. Mulani
In recent years, the agriculture sector has witnessed a growing demand for sustainable and efficient pest management solutions to enhance crop yield and reduce environmental impact. Among these solutions, semi-automatic solar-powered pesticide sprayers have emerged as promising tools for farmers worldwide. This paper presents a comprehensive survey of semi-automatic solar-powered pesticide sprayers designed for farming applications. The survey begins by exploring the motivations behind the development of solar-powered pesticide sprayers, emphasizing the need for environmentally friendly alternatives to traditional pesticide application methods. It proceeds to examine the key components and functionalities of these sprayers, including solar panels, rechargeable batteries, pumps, nozzles, and control systems. Special attention is given to the integration of solar energy harvesting mechanisms and their impact on operational efficiency and sustainability. Furthermore, the survey investigates the design considerations and technical challenges associated with the development of semi-automatic solar-powered pesticide sprayers. Topics such as system autonomy, spray coverage, pesticide dosage control, and user-friendly interfaces are thoroughly discussed. Additionally, the paper highlights recent advancements and innovations in the field, including the incorporation of smart sensors, GPS technology, and data analytics for precision spraying and monitoring.
近年来,农业部门对可持续、高效的病虫害管理解决方案的需求日益增长,以提高作物产量并减少对环境的影响。在这些解决方案中,半自动太阳能农药喷雾器已成为全球农民的理想工具。本文全面调查了为农业应用而设计的半自动太阳能农药喷雾器。调查首先探讨了开发太阳能农药喷洒器背后的动机,强调了对传统农药施用方法的环保型替代品的需求。接着研究了这些喷雾器的关键部件和功能,包括太阳能电池板、充电电池、泵、喷嘴和控制系统。特别关注太阳能收集机制的集成及其对操作效率和可持续性的影响。此外,调查还研究了与开发半自动太阳能农药喷洒器相关的设计考虑因素和技术挑战。对系统自主性、喷洒范围、农药剂量控制和用户友好界面等主题进行了深入讨论。此外,本文还重点介绍了该领域的最新进展和创新,包括将智能传感器、GPS 技术和数据分析用于精确喷洒和监测。
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引用次数: 0
An Economical Sensor-Based Automated Plant Watering System for Smart Irrigation 基于传感器的经济型智能灌溉植物自动浇水系统
Pub Date : 2024-03-28 DOI: 10.55529/jeimp.42.47.55
Modupe Agagu
Lack of water results in a reduction in photosynthesis in plants and crops. Plants are significantly affected when the soil water level is depleted thereby resulting in low production in the agricultural sector which can lead to a reduction in food supply. This problem makes water supply and management highly necessary for plants to grow effectively. Over the past century, the rate at which water usage has increased globally has increased at a rate higher than that of population growth. Particularly in dry regions, an increasing number of regions are now using more water than they can sustainably provide. The traditional watering techniques, such as sprinklers and flood mode, are ineffective and those not supply the ideal needs of plants because some plants do not need excess water to grow. This also results in water wasting. These ineffective irrigation systems often provide habitat for organisms that carry illnesses. Research has established that excessive water spillage and stagnant water can be habitat for mosquitoes which can also be dangerous to human health. Therefore, watering plants must be done intelligently, by developing an intelligent system that can regulate the content of water needed to water a plant in accordance with their needs and the moisture content of the soil. This will also reduce the spillage of water. In this study, an automated plant watering system that monitors the soil's moisture level to determine when watering plants is necessary was developed using hardware components such as Arduino UNO (Microcontroller), soil moisture sensor, pump, relays, wires, sprinkler and software instructions to drive the hardware components. An economical watering system was designed. The system was tested and can be effectively used in small gardens and big crop fields.
缺水会导致植物和作物的光合作用减弱。当土壤水分耗尽时,植物就会受到严重影响,从而导致农业产量下降,进而导致粮食供应减少。这个问题使得水的供应和管理对植物的有效生长十分必要。在过去的一个世纪里,全球用水量的增长速度高于人口增长速度。特别是在干旱地区,越来越多的地区用水量超过了可持续供水量。传统的浇灌技术,如洒水器和漫灌模式,效果不佳,不能满足植物的理想需求,因为有些植物的生长并不需要过多的水。这也造成了水资源的浪费。这些无效的灌溉系统往往会为携带疾病的生物提供栖息地。研究证实,过多的水溢出和积水会成为蚊子的栖息地,也会危害人类健康。因此,浇灌植物必须智能化,开发一种智能系统,根据植物的需要和土壤的含水量来调节浇灌植物所需的水量。这样还能减少水的溢出。在这项研究中,使用 Arduino UNO(微控制器)、土壤湿度传感器、水泵、继电器、电线、喷头等硬件组件和驱动硬件组件的软件指令,开发了一个自动植物浇水系统,该系统可监测土壤湿度,以确定何时需要给植物浇水。设计出了一个经济的浇灌系统。经测试,该系统可有效用于小型花园和大型农田。
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引用次数: 0
Under Performance; Why Intrapreneurial Strategies and Operating Environment Matter in Fixing Performance of Public Universities in Kenya 绩效不佳;为什么内部创业战略和运营环境对肯尼亚公立大学的绩效调整至关重要?
Pub Date : 2024-03-27 DOI: 10.55529/jeimp.42.31.46
M. K. Otolo, Stephen M.A. Muathe, Linda Kimencu
The Kenyan government in 2023 unveiled a new funding model aimed at promoting affordable and equal access to higher education as well as breath life to public universities that would otherwise collapse due to financial challenges. Improvements in performance is seen through intrapreneurial strategies and that is the focus of this study. The unit of analysis was 20 public universities and the unit of observation was 400 participants. A combination of descriptive and explanatory research designs was used. A semi-structured questionnaire was used to collect primary data; which was analysed using descriptive and inferential statistics and content analysis. Multiple regression models were used to test the association between variables. The study found a statistically significant (β-0.620, p=0.000<0.05) and partially moderating influence of operating environment between intrapreneurial strategies and performance of public universities in Kenya. The study concluded that the operating environment moderates the relationship between intrapreneurial strategies and performance of public universities in Kenya. The study recommends that Vice-Chancellors of public universities should adopt innovativeness, pro-activeness, risk-taking and self-renewal intrapreneurial strategies with an awareness of the external and internal operating environment. as they have a significant and positive relationship with performance. The study also recommends that the Ministry of Education, Government of Kenya and relevant policy makers should institute reforms and organise forums that promote intrapreneurship adoption within the public universities to promote overall organisational performance.
肯尼亚政府于 2023 年推出了一种新的资助模式,旨在促进人们以可承受的价格平等地接受高等教育,并为那些因财政困难而倒闭的公立大学注入新的活力。通过内部创业战略可以提高绩效,这也是本研究的重点。分析单位为 20 所公立大学,观察单位为 400 名参与者。研究采用了描述性和解释性相结合的研究设计。使用半结构式问卷收集原始数据,并使用描述性和推论性统计以及内容分析法对数据进行分析。使用多元回归模型检验变量之间的关联。研究发现,经营环境对企业内部战略和肯尼亚公立大学绩效之间的影响具有统计学意义(β-0.620,p=0.000<0.05),并具有部分调节作用。研究得出结论,运营环境调节了内部创业战略与肯尼亚公立大学绩效之间的关系。研究建议,公立大学的副校长应在了解外部和内部运营环境的情况下,采用创新、积极主动、勇于承担风险和自我更新的内部创业战略,因为这些战略与绩效有着显著的正相关关系。研究还建议肯尼亚政府教育部和相关政策制定者进行改革并组织论坛,促进公立大学采用内部创业精神,以提高组织的整体绩效。
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引用次数: 0
A Cross-Sectional Study Looked into the Incidence of Early Missing Primary Teeth in Children Aged 6 to 12 in the Southern Iraqi City of Nasiriya 一项横断面研究调查了伊拉克南部城市纳西里耶 6 至 12 岁儿童早期乳牙缺失的发生率
Pub Date : 2024-03-21 DOI: 10.55529/jhtd.42.33.42
G. Jasim
Objectives: One of the potential risk factors for poor dental arch length growth, which in turn affects the formation of permanent teeth, is the early loss of primary teeth, which is common in childhood dental disease. For the formation of permanent teeth, the dental arch must be the proper length. The length of the weak arc may cause crowding, preterm birth, or impaction of these teeth, which could harm the student's health and development throughout the course of their life. The purpose of this study was to determine the frequency of early primary tooth loss in students aged 6 to 12 years old. Materials and Methods: 259 students made up the study group, 135 boys and 124 girls. An expert examiner performed the dental examination in an environment with enough artificial light. The age of the patient and the number of lost teeth were recorded. Data analysis was conducted using descriptive statistics, and based on the findings, Chi-square tests were conducted at a level of significance of 5% (P 0.05). Results: Boys lost their primary teeth at a rate of 49%, while girls of the same age lost their teeth at a slightly higher rate of 51%. The study also revealed that first molars (42.6%) are the dental arch's most often missing teeth. Conclusion: In the study group, there was a high prevalence of early loss of primary teeth, students could retain a healthy primary dentition and eventually avoid disruptions in the development of appropriate occlusion with the support of effective educational and preventive programs for oral health. Reducing malocclusion issues would be made possible with the early detection and treatment of the space issues brought on by the early loss of primary teeth.
目的:导致牙弓长度增长不良进而影响恒牙形成的潜在风险因素之一是乳牙的过早脱落,这在儿童牙病中很常见。要形成恒牙,牙弓必须有适当的长度。薄弱牙弓的长度可能会导致牙齿拥挤、早产或阻生,从而损害学生一生的健康和发育。本研究的目的是确定 6 至 12 岁学生早期乳牙缺失的频率。材料和方法:研究组共有 259 名学生,其中男生 135 名,女生 124 名。由一名专家检查员在有足够人工光线的环境中进行牙科检查。记录了患者的年龄和脱落牙齿的数量。采用描述性统计进行数据分析,并根据分析结果进行卡方检验,显著性水平为 5%(P 0.05)。结果男孩的乳牙脱落率为 49%,而同龄女孩的乳牙脱落率略高,为 51%。研究还显示,第一臼齿(42.6%)是牙弓中最常缺失的牙齿。结论在研究组中,乳牙早失的发生率很高,学生们可以通过有效的口腔健康教育和预防计划来保持健康的乳牙,并最终避免适当咬合的发展受到干扰。如果能及早发现并治疗乳牙早失带来的空间问题,就有可能减少错合畸形问题。
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引用次数: 0
Harnessing Plant Bioelectricity through Prickly Pear as Botanical Batteries 将刺梨作为植物电池利用植物生物电
Pub Date : 2024-03-21 DOI: 10.55529/jeet.42.10.20
Rhean Jane B. Diaz, Allison G. Alen, Jezlreel Jode M. Olorocisimo, Jon Alfred L. Hinacay
Plants which are essential for life, have the potential to become a renewable energy source in the Future. They can generate electricity, reducing greenhouse gas emissions and being environmentally friendly. This study aims to explore the untapped potential of botanical batteries and contribute to green energy technology. Plants' capacity to convert sunlight into chemical energy could be a viable and environmentally friendly source for electrical power generation, offering a sustainable solution to the world's growing energy demands while mitigating climate change impacts.To achieve the goal of the study, pure experimental research was applied. And the researchers used cactus (prickly pear), copper nails, zinc nails, copper wire, alligator clips, and disposable plastic containers. The study was conducted at Bayugan National Comprehensive High School, Bayugan City.Throughout the analysis of the data obtained after the three tests conducted, it has been found that like an electrochemical cell, copper and zinc electrodes inserted into prickly pear leaves can generate energy. With the highest current magnitude and maximum value at the highest contact area, the prickly pear plant has the highest potential for energy harvesting. Cut-off or partially leaved leaves can be harvested for their energy, which can then be utilized to charge batteries or power low-power devices.
植物是生命的必需品,具有成为未来可再生能源的潜力。它们可以发电,减少温室气体排放,对环境友好。本研究旨在探索植物电池尚未开发的潜力,为绿色能源技术做出贡献。植物将阳光转化为化学能的能力可以成为一种可行且环保的发电来源,为世界日益增长的能源需求提供可持续的解决方案,同时减轻气候变化的影响。研究人员使用了仙人掌(刺梨)、铜钉、锌钉、铜线、鳄鱼夹和一次性塑料容器。研究在巴尤干市巴尤干国立综合高中进行。通过对三次试验后获得的数据进行分析,发现将铜和锌电极插入刺梨叶中,就像电化学电池一样,可以产生能量。刺梨植物的电流最大,接触面积最大,因此具有最大的能量收集潜力。剪下的叶子或部分叶子可以采集能量,然后用来为电池充电或为低功率设备供电。
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引用次数: 0
Navigating the Complex Testing Strategies for Viral Vector _Based Gene Therapies 探索基于病毒载体的基因疗法的复杂测试策略
Pub Date : 2024-03-20 DOI: 10.55529/jhtd.42.26.32
Yusra A. Radeef
Safely introducing transgenes into cells is one of greatest challenges facing the field of genetic factor analysis. Using virus-related directions has become one of the most effective means to achieve this by taking advantage of a virus ̓s natural ability to invade and introduce their genetic material into human cells. Because of this, viral vectors are being developed to help to treat a variety of diseases. In order to assure safety and to meet regulatory requirements, thorough testing takes place through all steps of the viral vector development and manufacturing process. This article explores various viral vector testing methods, such as identify testing quality testing.
安全地将转基因引入细胞是遗传因子分析领域面临的最大挑战之一。利用病毒入侵并将其遗传物质导入人体细胞的天然能力,使用病毒相关方向已成为实现这一目标的最有效手段之一。因此,病毒载体正在被开发用于治疗各种疾病。为了确保安全并满足监管要求,病毒载体开发和生产过程中的所有步骤都要进行全面检测。本文探讨了各种病毒载体测试方法,如鉴定测试、质量测试等。
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引用次数: 0
Work Related Rest-An Employer’s Favour or Employee’s Right? A Perspective of Ghana’s Legal Regime 与工作有关的休息--是雇主的恩惠还是雇员的权利?加纳法律制度透视
Pub Date : 2024-03-18 DOI: 10.55529/jls.42.24.33
Samuel Kofi Amoah, Jacob Mensah Mesuh, Joseph Bikunati Zimpah, Irene Terquor Machu
Work related rest is highly ignored by employers especially in Ghana’s private corporate sector. In a highly competitive job market and scarce job opportunities, employers tend to perceive jobs as favour being made to employees. This perception tends to influence employers to deprive employees of their necessary work-related rest breaks rightfully due them. Such actions by these employers in most cases seem uncontested by employees since they are not privy to their rights to work related rest or tend to apprehend fear that they might lose their jobs in a bid to agitate for their legal rights to rest breaks. Alternatively, an employer may not restrict an employee’s right to rest breaks but rather, employees may tend to ignore their rights to rest especially in the form of annual leave for want of excessive financial gain. This paper highlights provisions on work related rest from Ghana’s Labour Act,2003 (ACT 651) which is a domestic law drawn from the International Labour Organization. The manuscript advances practicality of the sections on rest breaks highlighted by the Labour Act of Ghana by introducing both Ghanaian and Common law cases on rights and obligations of employers and employees in relation to rest breaks in Ghana.
与工作有关的休息非常不被雇主重视,尤其是在加纳的私营企业部门。在就业市场竞争激烈、就业机会稀缺的情况下,雇主往往将工作视为对雇员的恩惠。这种观念往往会影响雇主剥夺雇员应有的必要工间休息时间。在大多数情况下,这些雇主的这种行为似乎没有受到雇员的质疑,因为他们不知道自己享有与工作有关的休息权,或者往往担心自己可能会因为争取法定休息权而丢掉工作。另一种情况是,雇主可能不会限制雇员的休息权,但雇员可能会为了过多的经济利益而忽视自己的休息权,尤其是以年假形式享有的休息权。本文重点介绍了加纳 2003 年《劳动法》(ACT 651)中与工作相关的休息条款,该法是一部源自国际劳工组织的国内法。手稿介绍了加纳和普通法中关于加纳雇主和雇员在休息时间方面的权利和义务的案例,从而提高了《加纳劳动法》中关于休息时间的章节的实用性。
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引用次数: 0
Optical Conveyance of Audio Signals: Pioneering Li-Fi Technology for High-Fidelity Data Transmission 音频信号的光学传输:开创用于高保真数据传输的 Li-Fi 技术
Pub Date : 2024-03-16 DOI: 10.55529/10.55529/jeet.42.1.9
Saiful Islam Tuhin, Sadia Mehrin Rahi, Istiyak Hasan Maruf, Sanjida Khanom, A. Siddika
This paper explores the integration of Li-Fi technology for transmitting high-fidelity audio signals in modern communication systems. Li-Fi, a wireless communication technology utilizing light signals, offers numerous advantages over traditional radio frequency-based methods, including higher data rates, reduced electromagnetic interference, and enhanced security. Leveraging the unique properties of Li-Fi, such as its ability to transmit data through light waves, this study investigates its potential application in audio signal transmission. Through experimental analysis and theoretical considerations, we demonstrate the feasibility and efficacy of Li-Fi for delivering high-quality audio signals in various scenarios. Our findings contribute to advancing the understanding of Li-Fi technology and its potential role in shaping the future of wireless audio communication.
本文探讨了在现代通信系统中整合 Li-Fi 技术以传输高保真音频信号的问题。Li-Fi 是一种利用光信号的无线通信技术,与传统的基于射频的方法相比具有众多优势,包括更高的数据传输速率、减少电磁干扰和增强安全性。本研究利用 Li-Fi 的独特性能,如通过光波传输数据的能力,研究其在音频信号传输中的潜在应用。通过实验分析和理论考虑,我们证明了 Li-Fi 在各种场景下传输高质量音频信号的可行性和有效性。我们的研究结果有助于加深对 Li-Fi 技术及其在塑造未来无线音频通信中的潜在作用的理解。
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引用次数: 0
Assessment of the Effect of Propolis Extract on Enzymatic Antioxidants and Lipidperoxidation 蜂胶提取物对酶抗氧化剂和脂质过氧化作用的评估
Pub Date : 2024-03-15 DOI: 10.55529/jhtd.42.13.25
Sadoon Mohammed Abdullah, S. J. Abdulrahman, A. A. Hayder
The current study aimed to evaluate the effect of propolis (aquatic, alcoholic) and vitamin E on the state of experimentally induced oxidative stress status in the male white rats. The animals were distributed into five groups: The first group (negative control) was given only water and food until the end of the study period. The second group (positive control) was dosed with H2O2 through drinking water at a concentration of 0.5% for 21 days. The third group was dosed with H2O2 at a concentration of 0.5% and treated with aqueous extract of propolis at a concentration of 4% for 21 days. The fourth group was dosed with H2O2 with drinking water at a concentration of 0.5% and treated with an alcoholic extract of propolis at a concentration of 1% for 21 days. The fifth group was dosed with H2O2with drinking water at a concentration of 0.5%. It was treated with vitamin E at a concentration of 50 mg/kg for 21 days. The results showed that the treatment with the water and alcoholic extract of propolis and vitamin E has led to a significant increase (p≤0.05) in the concentrations of the antioxidants enzyme (superoxide dismutase, catalase, glutathione peroxidase) and a moral decrease in the Malmondialdehyde compared to the negative control.
本研究旨在评估蜂胶(水产、酒精)和维生素 E 对实验诱导的雄性白鼠氧化应激状态的影响。动物被分为五组:第一组(阴性对照组)只给水和食物,直到研究结束。第二组(阳性对照组)通过饮用水摄入浓度为 0.5%的 H2O2,持续 21 天。第三组服用浓度为 0.5%的 H2O2,并用浓度为 4%的蜂胶水提取物治疗 21 天。第四组用浓度为 0.5%的 H2O2 加入饮用水,并用浓度为 1%的蜂胶酒精提取物处理 21 天。第五组在饮用水中加入浓度为 0.5%的 H2O2。用浓度为 50 毫克/千克的维生素 E 治疗 21 天。结果表明,与阴性对照组相比,使用蜂胶水和酒精提取物以及维生素 E 处理后,抗氧化剂酶(超氧化物歧化酶、过氧化氢酶、谷胱甘肽过氧化物酶)的浓度显著增加(p≤0.05),而马来酰亚胺的浓度则明显下降。
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引用次数: 0
Balancing the Books: the Economics of Healthcare Treatments and Business Sustainability 平衡账本:医疗保健治疗的经济学与企业可持续性
Pub Date : 2024-03-11 DOI: 10.55529/jhtd.42.6.12
Dr. S. Ramesh
This article delves into the intricate relationship between healthcare treatments and business sustainability, exploring the economic implications of medical interventions on the financial health of businesses. Through a comprehensive analysis of existing literature, case studies, and economic models, this article aims to elucidate the complex interplay between healthcare expenditures, employee well-being, and the long-term financial sustainability of businesses. By uncovering the economic considerations inherent in healthcare decision-making, this exploration offers valuable insights for businesses seeking to strike a balance between fostering a healthy workforce and maintaining financial viability.
本文深入探讨了医疗保健治疗与企业可持续性之间错综复杂的关系,探讨了医疗干预对企业财务健康的经济影响。通过对现有文献、案例研究和经济模型的综合分析,本文旨在阐明医疗支出、员工福利和企业长期财务可持续性之间复杂的相互作用。通过揭示医疗保健决策中固有的经济考虑因素,这一探讨为企业在培养健康的员工队伍和保持财务可行性之间寻求平衡提供了宝贵的见解。
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引用次数: 0
期刊
Feb-Mar 2024
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