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Evolution of Teaching in the School System. Mechanics Applied to Machines. 学校系统教学的演变。应用于机器的力学。
Pub Date : 2018-10-24 DOI: 10.2139/ssrn.3621406
Vito Gnazzo
We do not think it possible to reconstruct the development of the teaching of Applied Mechanics to the Machines in Naples on the basis of the texts that the various teachers, of which we have news, it have wrote or used for the conduct of their lessons, lacking, among other things, indications certain for all the period to which we have turned our interest. At the same time we consider important the knowledge of the bases on which it they came forming not only the students, but also the teachers who taught in what is currently the Faculty of Engineering Federico II of Naples, Italy. We also consider it important, for any future studies, to make known the amount of books available in the Faculty and in the departments connected to it. For these reasons we have collected in the first chapter the various texts of which we have come to know, reporting in full the indexes of the topics, obviously useful to know the problems considered interesting for the study and at the same time understand their evolution.

From the preface of the text 'General Theory of Machines' by F. Reuleaux, director of the Berlin school, year 1874, first chapter, page 67: the following considerations are intended to discuss the various aspects under which machines are generally presented in order to determine, among many, the real point of view from which one must study. We therefore understand them: Basic principles of a general theory of machines.

…. Here it is not just a matter of giving a new form to principles already known and discussed, nor of substituting new subdivisions and new nomenclatures to the ancient ones. Perhaps with such modifications it will be possible to treat the matter with greater ease or elegance; but for practical use one can still use the known methods for a long time. …for, to open with a phrase by Goethe, one does not possess anything but what one understands ...

An arduous task is certainly to establish in what period and course the lessons of Applied Mechanics to Machines emerge. Intuitively we have to think in some course of Mechanics, then roughly in the period in which courses on Machine Mechanics are introduced; for something more exhaustive you must immerse yourself in historical archives, browse fascinating books that date back to the second half of the eighteenth century, like the text by Frisi Paolo, "institutions of mechanics, hydrostatics of hydrometry and static architecture, and hydraulics to use in the royal school erected in Milan for architects, and for the engineers ", fabulous handwritten texts.

To give the best solution to our problem, that is to say, to try to understand, what were the topics studied that, at least in part, concerned the Mechanics Applied to Machines, before its official insertion, we considered it appropriate to face the problem with a historical approach. Not having specific documents, which could lead directly to the solution of the problem, we have circumvented the obstacl
我们认为不可能根据不同教师(我们有消息)所写或用于教学的文本来重建那不勒斯“机器应用力学”教学的发展,除其他外,缺乏对我们所关注的整个时期的特定指示。与此同时,我们认为重要的是,这些基础知识不仅来自学生,也来自目前在意大利那不勒斯费德里科二世工程学院任教的教师。我们也认为,对于任何未来的研究,让人们知道学院和与之相关的院系有多少书是很重要的。由于这些原因,我们在第一章中收集了我们所知道的各种文本,完整地报告了主题的索引,显然有助于了解研究中有趣的问题,同时了解它们的演变。引自柏林学派的负责人F. releaux在1874年第一章第67页所著的《机器通论》的序言:下面的考虑是为了讨论机器通常被呈现的各个方面,以便在许多方面中确定一个人必须研究的真正观点。因此我们了解它们:机器一般理论的基本原理.....这里的问题不仅仅是给已经知道和讨论过的原则赋予一种新的形式,也不是用新的细分和新的命名法来代替古老的。也许经过这样的修改,就可以更轻松、更优雅地处理这个问题;但是对于实际应用来说,人们仍然可以长期使用已知的方法。因为,用歌德的一句话来开头,一个人除了他所理解的之外,什么也不拥有……一项艰巨的任务当然是确定在什么时期和过程中出现了机器应用力学的课程。直觉上,我们必须在力学课程中思考,然后大概在机械力学课程引入的时期;要了解更详尽的内容,你必须沉浸在历史档案中,浏览可追溯到18世纪下半叶的迷人书籍,比如弗里斯·保罗(Frisi Paolo)的文本,“力学机构,流体静力学和静态建筑,以及在米兰为建筑师和工程师建立的皇家学校使用的水力学”,这是令人难以置信的手写文本。为了给我们的问题提供最好的解决方案,也就是说,试着理解,在正式加入之前,研究的主题是什么,至少部分是与机械力学有关的,我们认为用历史的方法来面对这个问题是合适的。没有具体的文件,可以直接导致问题的解决,我们已经绕过了障碍,试图遵循,根据时间和逻辑的进展,标志着历史上的事件力学应用于机器”。在出版物的第一部分中,我们对文献的历史研究感兴趣,在第二部分中,我们将更多的注意力转向了机器应用力学主题的诞生和发展。
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引用次数: 0
Artificial Human Optimization - An Introduction 人工优化-导论
Pub Date : 2018-05-03 DOI: 10.14738/TMLAI.62.4182
Satish Gajawada
The goal of this article is : 1) To popularize "Artificial Human Optimization" field 2) To show opportunities that exist in "Artificial Human Optimization" field. 3) To Design an optimization method based on Artificial Humans 4) To show reviews of papers in “Artificial Human Optimization” field 5) To make corrections to my previews work in “Artificial Human Optimization” field 6) To encourage researchers across the globe to work in “Artificial Human Optimization” field 7) To give Artificial Human Optimization award to researchers who contributed to this new field
本文的目的是:1)普及“人工优化”领域2)展示“人工优化”领域存在的机会。3)设计一种基于人工智能的优化方法4)展示“人工智能优化”领域的论文综述5)对我在“人工智能优化”领域的预览工作进行更正6)鼓励全球研究人员在“人工智能优化”领域工作7)授予人工智能优化奖给在这个新领域做出贡献的研究人员
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引用次数: 11
Summary of the 7th Workshop on Metallization and Interconnection for Crystalline Silicon Solar Cells 第七届晶体硅太阳能电池金属化与互连研讨会综述
Pub Date : 2018-04-15 DOI: 10.2139/ssrn.3151953
G. Beaucarne, G. Schubert, L. Tous, J. Hoornstra
The 7th Workshop on Metallization and Interconnection for Crystalline Silicon Solar Cells took place in October 2017. Through presentations and discussions, it was evident that progress in the field is continuing at a fast pace. The limits of screen printing metallization are being pushed further through innovations in screens and process to finger width below 40 µm while keeping high aspect ratio and industrial applicability, and new screen printing pastes enable the introduction of advanced cell structures. While there does not seem to be much push anymore towards using plated metallization in today’s mainstream cell technology, it is being further improved and used as a key enabler for future cell and module technologies for very high power PV panels. Passivated contacts is an intensively researched topic and progress was reported towards industrial implementation. In the field of cell interconnection, a drop-in replacement to SnPb solder was introduced, while emerging disruptive interconnection technologies were seen to progress well, particularly multiwire interconnection where key improvements in cost and durability have been achieved which are needed for wide adoption.
第七届晶体硅太阳能电池金属化与互连研讨会于2017年10月举行。通过介绍和讨论,很明显,该领域正在继续快速取得进展。通过屏幕和工艺的创新,丝网印刷金属化的限制被进一步推进到40微米以下的指宽,同时保持高长宽比和工业适用性,新的丝网印刷浆料可以引入先进的细胞结构。虽然在今天的主流电池技术中,似乎没有太多的动力去使用镀金属化,但它正在得到进一步的改进,并被用作未来高功率光伏电池板的电池和模块技术的关键推动因素。钝化触点是一个深入研究的课题,并在工业应用方面取得了进展。在电池互连领域,引入了SnPb焊料的插入式替代品,而新兴的破坏性互连技术进展良好,特别是在成本和耐用性方面取得了关键改进的多线互连,这是广泛采用所必需的。
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引用次数: 1
Performance Evaluation of Grid Based Routing Protocol for Underwater Wireless Sensor Networks Under Different Mobility Models 不同移动模式下水下无线传感器网络网格路由协议性能评价
Pub Date : 2018-02-27 DOI: 10.5121/IJWMN.2018.10102
Z. Alkindi, N. Alzeidi, B. Arafehand, A. Touzene
In this paper, we have conducted a simulation study to evaluate Multipath Grid-Based Geographic Routing Protocol (MGGR) under different selected mobility models. The protocol has been evaluated under three mobility models (i.e. Random Way Point, Reference Point Group and Meandering Current Mobility Model) using Aqua-Sim NS2-based simulator. An Extensive number of experiments have been conducted to assess the packet delivery ratio, the end-to-end-delay and power consumption under different operating conditions. We have noticed that the performance of MGGR is only marginally affected by the mobility behavior of nodes especially with the condition where the speed of nodes movements increased. Nevertheless, the evaluation has also shown that MGGR exhibit only average performance when used in coastal areas. This is evident as the MCMM (used primarily to model the movement of nodes in coastal areas) gave the lowest performance compared to other models.
本文对基于多路径网格的地理路由协议(MGGR)在不同移动模型下的性能进行了仿真研究。利用基于Aqua-Sim ns2的仿真器,对该方案在三种迁移模型(随机路径点、参考点群和蜿蜒电流迁移模型)下进行了评估。进行了大量的实验来评估不同操作条件下的分组传送率、端到端延迟和功耗。我们注意到节点的迁移行为对MGGR的性能影响很小,特别是在节点移动速度增加的情况下。然而,评估也表明,MGGR在沿海地区使用时仅表现出平均性能。这一点很明显,因为与其他模型相比,MCMM(主要用于模拟沿海地区节点的运动)的性能最低。
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引用次数: 11
Slotted CSMA/CA Based Energy Efficinet MAC Protocol Design in Nanonetworks 基于开槽CSMA/CA的纳米网络能效MAC协议设计
Pub Date : 2018-02-27 DOI: 10.5121/ijwmn.2018.10101
Suk-Jin Lee, Hongsik Choi, S. U. Kim
Devices in a beacon-enabled network use slotted CSMA/CA to contend for channel usage. Each node in the network competes for the channels when ready to transmit data. The slotted CSMA/CA mechanism based on the super-frame structure fairly provides communication chance for each node and makes a reasonable usage of the available energy in beacon-enabled Zigbee networks. When wireless nano-sensor nodes are implanted into the target human body area for detecting disease symptoms or virus existence, each node also requires a similar characteristic in channel sharing and in the transmission of event-driven data with a short length. In this paper, we suggest a wireless network model with nano-sensor nodes for the in-body application. We propose a novel MAC protocol derived from an existing Zigbee MAC protocol scheme and analyze the performance of energy usage with variable super-frame durations and packet sizes.
启用信标的网络中的设备使用开槽的CSMA/CA来争夺信道使用。当准备好传输数据时,网络中的每个节点都会竞争通道。基于超帧结构的开槽CSMA/CA机制公平地为每个节点提供了通信机会,合理地利用了信标Zigbee网络中的可用能量。当将无线纳米传感器节点植入人体目标区域检测疾病症状或病毒存在时,每个节点在通道共享和短长度事件驱动数据传输方面也需要具有相似的特性。在本文中,我们提出了一种具有纳米传感器节点的体内应用无线网络模型。在现有Zigbee MAC协议的基础上提出了一种新的MAC协议,并分析了可变超帧持续时间和分组大小下的能量使用性能。
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引用次数: 4
Сетевая модель многоресурсной поточной производственной линии (The Network Model of the Multiple Resources Flow Manufacturing Line) Сетеваямодельмногоресурснойпоточнойпроизводственнойлинии(网络模型的多个资源流生产线)
Pub Date : 2016-01-01 DOI: 10.18413/2518-1092-2016-1-2-31-45
O. Pihnastyi
Russian Abstract: В статье рассмотрен механизм переноса технологических ресурсов на предмет труда в результате воздействия технологического оборудования. Проанализирована структура производственного цикла и технологических ресурсов. Основываясь на определениях составных частейтехнологического процесса показана структура эффективного времени обработки предмета труда. Рассмотрены составные части переноса технологических ресурсов на предмет труда в результате воздействия технологического оборудования. Исследованы законы распределения случайных процессов переноса технологических ресурсов для простых технологических схем обработки предметов труда. Рассмотрен принцип формирования обобщенной единицы технологического оборудования и показан механизм построения производственных функций обобщенной единицы технологического оборудования для параллельной и последовательной схемы расположения оборудования. Рассмотрен принцип построения сетевой моделипроизводственной линии для многономенклатурного производства

English Abstract: The article describes the transfer of technological resources on the subject of labour as a result of the impact of technological equipment. The paper analyzes the structure of the production cycle and technological resources. It shows the structure of effective processing time of the subject of labour. The author considers the laws of distribution of random processes of transfer of technological resources for simple flow schemes of processing the subject of labour. The article describes the principle of formation of a generalized production unit and demonstrates the mechanism of building production functions of the generalized production unit for the sequential and parallel arrangement of equipment. The article also demonstrates the principle of construction of a network model of the production line for multiproduct production.
俄罗斯Abstract:这篇文章讨论了技术资源因技术设备的影响而转移到劳动力的机制。分析了生产周期的结构和技术资源。根据合成工时过程的定义,显示了有效处理工时的结构。研究了技术资源转移到劳动力中的组成部分,这是由于技术设备的影响。研究了为简单的工作流程技术流程分配技术流程的规则。考虑了制造一个通用的工艺设备单元的原则,并展示了一个通用的技术设备的制造功能构建机制,以备并行和串行安装。它概述了为多名员工创建的网络建模线的概念:在实验室的子空间里,技术资源的转移。这篇论文是由cycle和技术资源公司制作的。这是一段关于拉伯的音乐创作的录音。这是一种技术上的进步,因为它是一种技术上的进步,因为它是一种技术上的进步。《创世纪》和《创世纪》是《创世纪》的原型,也是《创世纪》的原型。= =制作模型= =网络设计线的设计模型是多制作的。
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引用次数: 0
E-Agriculture: Montenegro Case 电子农业:黑山案例
Pub Date : 2015-09-10 DOI: 10.2139/ssrn.3282230
Davor Ćorić, M. Popović
The use of information technology in the field of agriculture is one of the biggest challenges in the field of agriculture in economic transition in Montenegro. Montenegrin society has made significant progress in the development of agriculture, but there are difficulties in the implementation of modern technologies in all phases of agricultural production. The importance of ICT application in agriculture is very significant from the standpoint of reductions in manufacturing costs, yield increase, protection of the environment, etc. This paper will deal with the problems and proposed solutions (examples) for the application of ICT in the production process, in the process of planning and reporting within the agricultural sector. The research focuses on a comparison of the current situation in the Montenegrin agricultural sector with the situation at the EU level as well as several global initiatives. ICT application in agriculture is also important from the point of view of producers (small and large), and from the standpoint of the state in terms of monitoring the implementation of planned activities. Therefore, it is crucial for Montenegro to keep developing in this field. This paper could also serve as a guideline for the Government in implementation of development policies in the eAgriculture field.
在农业领域使用信息技术是黑山经济转型中农业领域面临的最大挑战之一。黑山社会在农业发展方面取得了重大进展,但在农业生产的所有阶段实施现代技术方面存在困难。从降低生产成本、提高产量、保护环境等角度来看,信息通信技术在农业中的应用具有非常重要的意义。本文将讨论在农业部门的生产过程、规划和报告过程中应用ICT的问题和提出的解决方案(示例)。研究的重点是将黑山农业部门的现状与欧盟一级的情况以及若干全球倡议进行比较。从生产者(小型和大型)的角度来看,以及从国家监督计划活动实施的角度来看,信息通信技术在农业中的应用也很重要。因此,黑山在这一领域的持续发展至关重要。本文也可以为政府在电子农业领域实施发展政策提供指导。
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引用次数: 1
Human Response Characteristics to Impact Conditions During Spacecraft Takeoff and Impact Landing 航天器起飞和撞击着陆过程中人类对撞击条件的反应特征
Pub Date : 2012-12-01 DOI: 10.1260/1757-2258.4.3-4.95
Vadiraj B, S. Omkar, S.B. Kandaga, M. C. Kiran
Human exposure to local accelerations during strategic spaceflight operations is required for assessing the potential health risks and performance. The objective of this study is to know the relation of human responses to the peak g and duration as well as orientations. This paper discusses an approach for human body modeling and simulation. Multibody dynamics approach is used to model the human body using LifeMOD®. The developed biomechanical models are analyzed for different acceleration pulses (4g, 6g and 10g) and seat orientations (20°, 30°, and 40°). A 4-DOF lumped parameter model is studied to compare with multibody model. Interrogation of results indicates the physical significance of the study. From the results obtained, we determine the responses of human body segments to various impact levels and seat orientations. The results obtained using multibody model is in good agreement with the results obtained using lumped parameter model.
为了评估潜在的健康风险和绩效,需要在战略航天飞行作业期间人体接触局部加速度。本研究的目的是了解人类对g峰的反应与持续时间和方向的关系。本文讨论了人体建模与仿真的一种方法。采用多体动力学方法,利用LifeMOD®对人体进行建模。在不同加速度脉冲(4g、6g和10g)和座椅方位(20°、30°和40°)下,对所建立的生物力学模型进行了分析。研究了一种四自由度集总参数模型,并与多体模型进行了比较。对结果的询问表明了研究的物理意义。根据所获得的结果,我们确定了人体各部分对各种冲击水平和座椅方向的反应。多体模型的计算结果与集总参数模型的计算结果吻合较好。
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引用次数: 3
Continuous Cycling, Shallow-Draft Sewage Siphons 连续循环,浅排污水虹吸管
Pub Date : 2006-08-01 DOI: 10.2139/ssrn.3874825
E. Jowett, J. Currie, Kristopher A Pataky, Letitia Tudor
This paper describes experiments with novel shallow-draft, small dose, continuously cycling siphons for septic tank effluent that prime at low flows, and break at high flows, covering the full range of household flows (e.g., 5-20 L/min). Comparative test results for a commercially available, conventional ‘bell siphon’ are also provided for a wider range of flows of 1-35 L/min.
本文描述了一种新型的浅气流、小剂量、连续循环虹吸管用于化粪池出水的实验,该虹吸管在低流量时启动,在高流量时中断,涵盖了家庭流量的全部范围(例如5-20升/分钟)。对市售的传统“钟形虹吸管”的比较测试结果也提供了1- 35l /min的更大流量范围。
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引用次数: 0
Child Protection in an Interconnected World: Integrating Ideals and Cooperating With a Common Purpose 互联世界中的儿童保护:理想融合与共同目标的合作
Pub Date : 1900-01-01 DOI: 10.2139/ssrn.3646761
Adam R. Tanielian
This book covers a range of topics crucial to child development and wellbeing. Each chapter is centered around a theme, which is related to but distinct from themes in other chapters. Within each chapter, the reader will find review and analysis of legal and sociological literature, from international conventions to statutes, cases, and academic articles. Examination of such breadth of sources helps us make objective evaluation of issues. Results of these inquiries are formatted as suggestions and recommendations directed toward numerous stakeholders in children’s lives, including legal professionals, educators, doctors, and parents.

Overall, this study aims to discover problem areas in application and enforcement of children’s rights, and offer pragmatic solutions that can be implemented to enhance the lives of children. The research is primarily qualitative literature review and analyses, supported with quantitative statistical analysis. Natural law theories and legal positivism are incorporated with the intent of affirming application of existing positive law while also calling for increased, revised, and improved lex scripta in order to create and enforce children’s rights at the local level. Natural law theories are not used in attempts to invalidate lex lata as is usually the case. Rather than relying on the natural law axiom that “an unjust law is not a law”, natural law theories are applied in this book using the assumption that absence of just law is unjust law. Bearing in mind general principles of international public law, especially that of territoriality, Article 38 of the Statute of the International Court of Justice is also used as a guide for prioritizing sources of law.

Frequently, as we will find throughout this book, children’s rights are threatened by all three branches of government through ineffective legislation, inadequate policing, and insufficient adjudication. Corruption and low public funding are consistent obstacles to improving state intervention. We can mitigate this problem through focusing on the 3P’s strategy: Prevention, Protection for victims, and Punishment for offenders. Prevention relies heavily on individual, family, and community volunteer support. Crime rates and totals are reduced through prevention, which is ultimately the goal. States support civilian efforts by protecting victims’ rights, and later by prosecuting and sentencing offenders, but prevention requires more intrinsic sociocultural change. Such fundamental changes in the way people live together have been elusive throughout human history, and to a certain extent we must assume some behaviors cannot be eliminated.
On this note, we shall find great insight and inspiration from the earliest pioneer of modern human rights theory, Eleanor Roosevelt, who said:

“Where, after all, do universal human rights begin? In small places, close to home – so close and so small that they cannot be seen on any maps of the world. Yet the
这本书涵盖了一系列对儿童发展和幸福至关重要的主题。每一章都围绕一个主题展开,这个主题与其他章节的主题既有联系又有区别。在每一章中,读者将发现法律和社会学文献的回顾和分析,从国际公约到法规,案例和学术文章。对这种广泛来源的考察有助于我们对问题作出客观的评价。这些调查的结果被格式化为针对儿童生活中众多利益相关者的建议和建议,包括法律专业人士、教育工作者、医生和父母。总体而言,本研究旨在发现儿童权利的应用和执行中存在的问题,并提供切实可行的解决方案,以改善儿童的生活。本研究以定性文献回顾与分析为主,辅以定量统计分析。自然法理论和法律实证主义被纳入其中,目的是肯定现有实在法的适用,同时也要求增加、修订和改进法律条文,以便在地方一级创造和执行儿童权利。自然法理论并没有像通常的情况那样被用来试图使现行法无效。本书没有依赖于“不公正的法律不是法律”这一自然法公理,而是运用自然法理论,假设没有公正的法律就是不公正的法律。考虑到国际公法的一般原则,特别是领土原则,《国际法院规约》第38条也被用作确定法律渊源优先次序的指南。正如我们将在本书中发现的那样,儿童的权利经常受到政府所有三个部门的威胁,包括无效的立法、不充分的监管和不充分的裁决。腐败和公共资金不足一直是改善国家干预的障碍。我们可以通过关注3P策略来缓解这个问题:预防,保护受害者,惩罚罪犯。预防在很大程度上依赖于个人、家庭和社区志愿者的支持。通过预防来降低犯罪率和总犯罪率,这是我们的最终目标。国家通过保护受害者的权利,随后通过起诉和判决罪犯来支持民事努力,但预防需要更多的内在社会文化变革。在整个人类历史上,人们共同生活方式的这种根本变化是难以捉摸的,在某种程度上,我们必须假设有些行为是无法消除的。在这一点上,我们将从现代人权理论的最早先驱埃莉诺·罗斯福那里找到深刻的见解和灵感,她说:“普世人权究竟从何开始?在离家很近的小地方——那么近,那么小,以至于在世界上的任何地图上都看不到它们。然而,它们是个人的世界;他居住的街区;他就读的学校或大学;他工作的工厂、农场或办公室。在这些地方,每个男人、女人和孩子都能不受歧视地寻求平等的正义、平等的机会和平等的尊严。除非这些权利在那里有意义,否则它们在任何地方都没有什么意义。如果没有关心的公民行动来支持他们,我们将在更大的世界里徒劳地寻求进步。”
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引用次数: 0
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