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نتیجه جستجو - Guidance

تعداد مقالات یافته شده: 179
ردیف عنوان نوع
1 Generation of Accessible Sets in the Dynamical Modeling of Quantum Network Systems
تولید مجموعه‌های قابل دسترس در مدل‌سازی دینامیکی سیستم‌های شبکه کوانتومی-2022
In this article, we consider the dynamical modeling of a class of quantum network systems consisting of qubits, where information extraction is allowed by performing measurement on several selected qubits of the system. For a variety of applications, a state space model is a useful approach to modeling the system dynamics. To construct a state space model for a quantum network system, the major task is to find an accessible set containing all of the operators coupled to the measurement operators. This article focuses on the generation of a proper accessible set for a given system and measurement scheme. We provide analytic results on simplifying the process of generating accessible sets for systems with a time-independent Hamiltonian. Since the order of elements in the accessible set determines the form of state space matrices, guidance is provided to effectively arrange the ordering of elements in the state vector. Defining a system state according to the accessible set, one can develop a state space model with a special pattern inherited from the system structure. As a demonstration, we specifically consider a typical 1-D-chain system with several common measurements and employ the proposed method to determine its accessible set.
Index Terms: Accessible set | dynamical modeling | quantum network system | quantum system.
مقاله انگلیسی
2 A deducing-based reliability optimization for electrical equipment with constant failure rate components duration their mission profile
یک بهینه سازی قابلیت اطمینان مبتنی بر استنتاج برای تجهیزات الکتریکی با اجزای نرخ خرابی ثابت در طول مدت مشخصات ماموریت آنها-2021
Recently, with the rapid development of electrical industries, the R&D on electrical equipment has made a massive progress. However, high integration of multiple functions like isolationcircuit breaking, data collection and intelligent control results in low reliabilities. Therefore, a deducing-based reliability optimization for electrical equipment is proposed to enhance the reliability of electrical equipment. The Integrated Isolation Circuit Breaker (IICB), a classical device of power switch, is taken as the object in this research, and the reliability analysis is carried out by building the equipment description model of IICB, bringing forth the deduced method, and taking the constant failure rate components duration their mission profiles as indices for reliability increases. Next, on the basis of the deduced method, the unit to increase the system reliability can be determined. With the guidance of the above method, three kinds of reliability optimization schemes are studied, which are formed in accordance with the topologies of devices, component configurations and redundancy respectively. Finally, the comparing, analyzing and deducing of the three improving schemes are presented respectively. And an example is given to prove that the proposed method is feasible and can effectively improve equipment reliabilities, with valuable guidance for equipment reliability design as well.
Keywords: Reliability optimization | Deduced method | Electrical equipment | Topological structures | Reliability increase
مقاله انگلیسی
3 Academy of Nutrition and Dietetics: Revised 2021 Standards of Professional Performance for Registered Dietitian Nutritionists (Competent, Proficient, and Expert) in Management of Food and Nutrition Systems
آکادمی تغذیه و رژیم‌شناسی: استانداردهای 2021 اصلاح‌شده عملکرد حرفه‌ای برای متخصصان تغذیه ثبت‌شده (لایق، ماهر و متخصص) در مدیریت سیستم‌های غذایی و تغذیه-2021
Management of food and nutrition systems (MFNS) encompasses the varied roles of registered dietitian nutritionists (RDNs) with administrative responsibilities for food and nutrition services within an organization. RDNs in MFNS are frequently employed in acute care, but also expand into a multitude of other settings in which management of nutrition and foodservice is required, for example, foodservice departments in assisted living and post-acute and long-term care; colleges and universities, kindergarten through grade 12 and pre-kindergarten schools and childcare; retail foodservice operations; correctional facilities; and companies that produce, distribute, and sell food products. RDNs in MFNS aim to create work environments that support high-quality customer-centered care and services, attract and retain talented staff, and foster an atmosphere of collaboration and innovation. The Management in Food and Nutrition Systems Dietetic Practice Group, with guidance from the Academy of Nutrition and Dietetics Quality Management Committee, has revised the Standards of Professional Performance (SOPP) for RDNs in MFNS for 3 levels of practice: competent, proficient, and expert. The SOPP describes 6 domains that focus on professional performance: Quality in Practice, Competence and Accountability, Provision of Services, Application of Research, Communication and Application of Knowledge, and Utilization and Management of Resources. Indicators outlined in the SOPP depict how these standards apply to practice. The standards and indicators for RDNs in MFNS are written with the leader in mind—to support an individual in a leadership role or who has leadership aspirations. The SOPP is intended to be used by RDNs for self-evaluation to assure competent professional practice.
مقاله انگلیسی
4 Research on evaluation method of stereo vision measurement system based on parameter-driven
تحقیق در مورد روش ارزیابی سیستم اندازه گیری دید استریو بر اساس پارامتر محور-2021
Stereo vision measurement system is widely used in aerospace manufacturing, intelligent robot and other fields because of its unique advantages. However, when using the stereo vision measurement system for measurement, there is no guidance for the parameter configuration of the measurement system for the scene and task constraints, resulting in the stereo vision measurement system cannot play the maximum performance. In this paper, from two aspects of local measurement of camera parameters and global measurement of system parameters, the relevant model is established to analyze the measurement performance of a single independent camera and the performance of the whole stereo vision measurement system. Firstly, the relationship between single camera calibration parameters and measurement accuracy is analyzed; secondly, the relationship between stereo measurement system parameters and measurement accuracy is analyzed; finally, the stereo vision measurement error function is established to guide the design of measurement system parameters. According to the actual measurement experiment, the correctness of the analysis and the accuracy of the established function are verified, it is efficiently used for guiding the parameter design and camera selection of the measurement system in different measurement scene and task.
Keywords: Vision measurement | Stereo vision | Error analysis | Parameter-driven
مقاله انگلیسی
5 The adoption of digital technologies in supply chains: Drivers, process and impact
پذیرش فناوری های دیجیتال در زنجیره های تأمین: محرک ها ، روند و تأثیر آن-2021
Digital technologies have been extensively studied in academic research and industry. However, little is known about the adoption of digital technologies in manufacturing firms at a supply chain level. This paper aims to understand why and how manufacturing firms adopt digital technologies, and the impact of the adoption on supply chains. The study uses literature review method, identifies the main drivers of manufacturing firms adopting digital technologies (why), develops a new model of the adoption process (how), and synthesizes the impact of the adoption on supply chains into four aspects (what): supply chain efficiency, supply chain structure, sustainability and innovation. The paper then proposes a conceptual framework consisting of driver, process and impact, and discusses their inter-relationships. The study identifies that the technological intelligence and supply chain cooperation are two important factors and proposes a two-dimentional levels of adopting digital technologies according to their low-to-high degrees. The proposed framework, in particular the levels of digital technology adoption, are novel to the existing literature. Each of the three parts of the framework and their inter- relationships lays a foundation for further empirical studies in this field. This study also provides guidance for practitioners adopting digital technologies for supply chain management and developing appropriate business strategies at different digitalization levels.
Keywords: Digital technology | Digital supply chain | Digitalization | Technology adoption | Supply chain management
مقاله انگلیسی
6 Empathy in phenomenological research: Employing Edith Steins account of empathy as a practical and ethical guide
همدلی در تحقیقات پدیدارشناسی: استفاده از گزارش ادیت استاین از همدلی به عنوان راهنمای عملی و اخلاقی-2021
An ‘affective turn’ has come about in philosophy of mind debates and the notion of empathy is increasingly influential. This could usefully extend into psychological research, particularly in counselling and psychother- apy. Edith Stein’s account of empathy bridges gaps between individual psychological experience, embodied interpersonal emotionality, and our collective social moral order. Her philosophy provides ethical and practical guidance for researchers who seek to understand the meaning of what their participants experience in the flow of intersubjectivity and situated living. Researchers can thereby avoid positioning them as ‘different,’ ‘deviant,’ or ‘dysfunctional.’ Methodologies are recommended, based on Stein’s account.
keywords: یکدلی | ادیت استین | پدیده شناسی | Empathy | Edith stein | Phenomenology
مقاله انگلیسی
7 Beware suppliers bearing gifts!: Analysing coverage of supply chain cyber security in critical national infrastructure sectorial and cross-sectorial frameworks
مراقب تأمین کنندگان هدیه باشید!: تجزیه و تحلیل پوشش امنیت سایبری زنجیره تامین در زیرساخت های مهم ملی بخش های بخشی و بین بخشی-2021
Threat actors are increasingly targeting extended supply chains and abusing client-supplier trust to conduct third-party compromise. Governments are concerned about targeted attacks against critical national infrastructures, where compromise can have significant adverse national consequences. In this paper we identify and review advice and guidance offered by authorities in the UK, US, and the EU regarding Cyber Supply Chain Risk Management (C-SCRM). We then conduct a review of sector specific guidance in the three regions for the chemical, energy, and water sectors. We assessed frameworks that each region’s sector offered organisations for C-SCRM suitability. Our results found a range of interpretations for “Supply Chain” that resulted in a diversity in the quantity and quality of advice offered by regional authorities, sectors, and their frameworks. This is exacerbated by the lack of a common taxonomy to support supply chain procurement and risk management that has led to limited coverage in most C-SCRM programs. Our results highlight the need for a taxonomy regarding C-SCRM and systematic guidance (both general and sector specific) to enable controls to be deployed to mitigate against supply chain risk. We provide an outline taxonomy based on our data analysis to promote further discussion and research.
Keywords: Cyber security | Supply chain | Risk management | Critical national infrastructure | Common taxonomy
مقاله انگلیسی
8 Mapping global fuel cell vehicle industry chain and assessing potential supply risks
نقشه برداری از زنجیره صنعت خودروی سوختی سوخت جهانی و ارزیابی خطرات احتمالی تأمین-2021
Fuel cell vehicles (FCVs) have the potential to contribute significantly to improving air quality and addressing climate concerns in the future. However, due to the highly dynamic technology and manufacturing developments, there is a lack of understanding of the state- of-the-art global FCV industry chain and associated supply risks. This study fills such a research gap by mapping global FCV industry chain during the period 2017e2019, and assessing the supply risks of relevant key commodities. The results show that significant supply risks existed in global FCV industry chain, especially in upstream commodities like platinum and gas diffusion layer (GDL). The combined indicator of Herfindahl-Hirschman Index and Worldwide Governance-Indicator (HHI-WGI) is used to quantify the supply risks, showing that HHI-WGI of platinum is on the highest level. On the national level, supply risks are identified primarily in platinum for Japan, in vehicles for the United States, and along the entire industry chain for China. Network analysis is conducted to visualize and analyze how countries, companies and commodities are connected, showing that the highest supply risks were identified in GDLs. It is recommended that country-specific measures should be taken to mitigate supply risks, including building up national stocks of critical materials, investing overseas, enhancing the guidance over industry policies, and stepping up infrastructure construction.© 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.* Corresponding author. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China. E-mail address: hao@tsinghua.edu.cn (H. Hao).https://doi.org/10.1016/j.ijhydene.2021.02.0410360-3199/© 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Keywords: Fuel cell vehicle | Industry chain | Supply risk | Network analysis
مقاله انگلیسی
9 Application of integrated binocular stereo vision measurement and wireless sensor system in athlete displacement test
استفاده از سیستم اندازه گیری دید استریو بصری یکپارچه و سیستم حسگر بی سیم در آزمون جابجایی ورزشکاران-2021
Based on binocular stereo vision measurement and wireless sensing theory, this paper studies the measurement and analysis methods of athletes’ movement displacement parameters. The main purpose is to explore the relationship between sports biomechanical parameters. The analysis reveals the laws of athletes ’movements, and provides theoretical guidance on athletes’ attitude recognition and physical training. Based on the principle of binocular stereo vision, a noncontact displacement measurement system was developed. The displacement measurement system uses template matching to extract the image coordinates of the measurement points and restore the spatial coordinates of the measurement points through European 3D reconstruction, which improves the practicality of the measurement system. In the cantilever beam vibration test, the traditional displacement sensor and binocular image displacement measurement system are used to simultaneously measure the cantilever beam displacement. The experimental results show that the integrated displacement measurement system in this paper has higher accuracy and better stability.
KEYWORDS: Binocular stereo vision | Non-contact measurement | Mobile control | Node displacement | Wireless sensor system
مقاله انگلیسی
10 Development and validation of INTENSS, a need-supportive training for nurses to support patients self-management
توسعه و اعتبار سنجی های آمیز، آموزش نیازمندی برای پرستاران برای حمایت از خود مدیریت بیماران-2021
Background: The growing prevalence of chronic illnesses requires nurses to support self-management and help patients integrate the chronic illness into their life. To our knowledge there are currently no training programs that combine the necessary components to adequately enhance nurses competencies in self-management support. Objective: The systematic development and validation of a need-supportive training in self-management support for nurses. Design: A three-phased study, according to van Meijel et al. (2004), with collection of building blocks, design, and validation of the need-supportive character of the training. Setting and participants: Eight training groups with 30 nurses, 34 nursing students and nine social healthcare workers from different nursing colleges in Flanders, Belgium. Methods: In phase one a literature review, current practice analysis, and problem and needs analysis were per- formed. In phase two, the INTENSS training intervention was developed, framed within the Self-Determination Theory and the 5A’s-Model. The training consisted of a basic training module and a video-interaction guidance module. The intervention was subsequently tested in eight training groups (N = 73). Participants provided feedback during focus group discussions. The intervention was cyclically adapted to trainees experiences and suggestions. In phase three, we evaluated the need-supportive character of the training intervention. Results: Phase one indicated the need for training, since nurses application of self-management support was limited and practiced from a narrow medical point of view. In phase two we developed a theory-driven and multifaceted training, building on attitude, knowledge, skills and reflection in the training. The training was framed within the Self-Determination Theory both at the didactical level as well as on content and format. Overall, participants appreciated the building blocks of the training as supporting their basic needs for auton- omy, relatedness and competence. Conclusions: INTENSS, a multifaceted need-supportive training in self-management support was developed, successfully taking into account participants needs.
keywords: توسعه مداخله | آموزش | تحصیلات | نظریه خود تعیین | پشتیبانی از خود مدیریت | مراقبت های بهداشتی | پرستاری | بیماری مزمن | Intervention development | Training | Education | Self-determination theory | Self-management support | Health care | Nursing | Chronic illness
مقاله انگلیسی
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