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11 |
Adaptive finite element eye model for the compensation of biometric influences on acoustic tonometry
مدل چشم اجزای محدود تطبیقی برای جبران تأثیرات بیومتریک بر تونومتری آکوستیک-2021 Background and objective: Glaucoma is currently a major cause for irreversible blindness worldwide. A
risk factor and the only therapeutic control parameter is the intraocular pressure (IOP). The IOP is determined with tonometers, whose measurements are inevitably influenced by the geometry of the eye. Even
though the corneal mechanics have been investigated to improve accuracy of Goldmann and air pulse
tonometry, influences of geometric properties of the eye on an acoustic self-tonometer approach are still
unresolved.
Methods: In order to understand and compensate for measurement deviations resulting from the geometric uniqueness of eyes, a finite element eye model is designed that considers all relevant eye components and is adjustable to all physiological shapes of the human eye. Results: The general IOP-dependent behavior of the eye model is validated by laboratory measurements on porcine eyes. The difference between simulation and measurement is below 8 μm for IOP levels from 5 to 40 mmHg. The adaptive eye model is then used to quantify systematic uncertainty contributions of a variation of eye length and central corneal thickness based on input statistics of a clinical trial series. The adaptive eye model provides the required relation between biometric eye parameters and the corneal deflection amplitude, which here is the measured quantity to trace back to the IOP. Implementing the relations provided by the eye model in a Gaussian uncertainty propagation calculation now allows the quantification of the uncertainty contributions of the biometric parameters on the overall measurement uncertainty of the acoustic self-tonometer. As a result, a systematic uncertainty contribution resulting from deviations in eye length dominate stochastic deviations of the sensor equipment by a factor of 3.5. Conclusion: As perspective, the proposed adaptive eye model provides the basis to compensate for systematic deviations of (but not only) the acoustic self-tonometer. Keywords: Corneal vibration | Transient simulation | FEM | Eye model | Intraocular pressure | Glaucoma |
مقاله انگلیسی |
12 |
Conjugation of border and domestic carbon adjustment and implications under production and consumption-based accounting of India•s National Emission Inventory: A recursive dynamic CGE analysis
ترکیب تنظیمات کربن مرزی و داخلی و پیامدهای آن در حسابداری مبتنی بر تولید و مصرف موجودی انتشار ملی هند: یک تحلیل CGE پویا بازگشتی-2021 India initiated prudent measures voluntarily in the last two decades to combat against excessive carbon
emissions. Acknowledging these initiatives, the study conjoins the policy of ‘border carbon adjustment
(BCA)’ by the developed countries on Indian export with the ‘domestic carbon adjustment (DCA)’ by In-
dia to evaluate its impact on emission reduction and the macroeconomy. The study also raises an in-
consistency in this dual carbon adjustment under the production-based accounting (PBA) of the ‘national
emission inventory (NEI)’ and conducts simulation experiments under the PBA and alternatively proposed
consumption-based accounting (CBA) framework. The results reveal that the closer the rates of BCA and
DCA the more effective the carbon adjustment schemes are. The dual carbon adjustment also found giv-
ing better outcome under the CBA than PBA. The result of carbon-revenue recycling schemes suggest
direct compensation to the enterprises for making the economy recover from the carbon tax-distortions
in the most effective way. keywords: تنظیم کربن مرزی (BCA) | تنظیم کربن داخلی (DCA) | موجودی ملی انتشار (NEI) | حسابداری مبتنی بر تولید (PBA) | حسابداری مبتنی بر مصرف (CBA) | تعادل عمومی محاسبه (CGE) | بازیافت درآمد کربن | هندوستان | Border Carbon Adjustment (BCA) | Domestic Carbon Adjustment (DCA) | National Emission Inventory (NEI) | Production-based Accounting (PBA) | Consumption-based Accounting (CBA) | Computable General Equilibrium (CGE) | Carbon Revenue Recycling | India |
مقاله انگلیسی |
13 |
رابطه بین قدرت مدیریتی و حقوق مدیرعامل
سال انتشار: 2020 - تعداد صفحات فایل pdf انگلیسی: 22 - تعداد صفحات فایل doc فارسی: 38 ما بررسی می کنیم که هیئت مدیره های دوستانه (موافق، صمیمی، همگام) چطور ساختار قراردادهای بهینه پاداش را به نفع مدیرعامل های قدرتمند تنظیم می کنند. مطالعه ما نتایج غیرمنتظره ای به همراه دارد. اولاً، مدیران قدرتمند حقوق بالاتری دریافت می کنند و قراردادی با حساسیت بالاتر پرداخت بر اساس عملکرد (PPS) دارند اگر عملکرد شرکت پایین باشد، و بالعکس. بعلاوه، ما شرایطی را مشخص می کنیم که حقوق یا پرداختی مورد انتظار و PPS مورد انتظار هر دو در صورت وجود هیئت مدیره دوستانه، افزایش می یابند. دوماً، ما نشان می دهیم که هیئت مدیره های دوستانه، حقوق بالاتر، سهام بیشتر، اما گزینه های مالی کمتری در اختیار مدیرعامل ها قرار می دهند. سوماً، هیئت مدیره های دوستانه ای که قراردادهایی با PPS بالاتر تنظیم می کنند استفاده بیشتری از ارزیابی عملکرد نسبی (RPE) دارند. در کل، نتایج ما نشان می دهند که شاخص های بیشتر مورد استفاده در روشهای ضعیف (یا درست) تعیین پاداش، باید با دقت زیادی تفسیر شوند. ما با تعمیم مدل اولیه مان به دو مدل توسعه یافته، نشان می دهیم که مدیران قدرتمند، سرمایه گذاری نقدی کمی دارند اما مشوق کمی نیز برای مدیریت درآمدها دارند.
واژگان کلیدی: پاداش مدیرعامل | قرارداد بهینه | نظریه قدرت مدیریتی | حکمرانی شرکتی |
مقاله ترجمه شده |
14 |
Voices from ‘Igbo Bunks’: A qualitative study of the complicity of law-enforcement agents in marijuana use in a Nigerian community
صداهایی از Igbo Bunks : یک مطالعه کیفی از همدستی ماموران اجرای قانون در مصرف ماری جوانا در یک جامعه نیجریه-2020 There exists observable complicity by law enforcement agents in illicit drug networks for financial
gain and yet the problem remains under-researched. Thus, this study explored the connection
between cannabis use/users and the connivance of narcotic agents in Afikpo North LGA
of Ebonyi State, Nigeria. Purposive and snowballing sampling techniques were employed in selecting
a sample of 21, comprising 18 regular ‘Igbo Bunks’ (specially designed marijuana-smoking
joints) patronisers and three dealers (Bunk owners/managers). Qualitative thematic method was
adopted in analysing the data generated from in-depth oral interviews. Findings revealed that
three popular Bunks operate unhidden and were well-known to the National Drug Law
Enforcement Agency (NDLEA) and Nigeria Police Force (NPF), but little or no action has been
taken to close them down. Although the outcome of the connivance has led to an increase in the
price of cannabis due to illegal monetary compensation given to law enforcers to secure their
approval, recurring use has also been recorded due to the ostensible comfort and protection these
joints offer to customers. Organised marijuana smoking is a fast growing but underexplored ‘lawenforcement
problem’ to watch and therefore further empirical studies on the phenomenon is
suggested to further direct policy and action. There is urgent need for community responses and
partnership with law enforcement agents. Since the most visible part of drug issue takes place in
our neighbourhoods, this security synergy is necessary and timely for effective prevention and
control of the phenomenon. Keywords: Complicity | Igbo Bunks | Marijuana use | Law-enforcement agents | Qualitative study |
مقاله انگلیسی |
15 |
Can the development of a patient’s condition be predicted through intelligent inquiry under the e-health business mode? Sequential feature map-based disease risk prediction upon features selected from cognitive diagnosis big dat
آیا می توان از طریق استعلام هوشمند تحت شرایط تجارت الکترونیکی ، وضعیت یک بیمار را پیش بینی کرد؟ پیش بینی خطر ابتلا به بیماری مبتنی بر ویژگی های توالی بر ویژگی های انتخاب شده از تشخیص شناختی داده های بزرگ-2020 The data-driven mode has promoted the researches of preventive medicine. In prediction of disease risks,
physicians’ clinical cognitive diagnosis data can be used for early prevention of diseases and, therefore, to reduce
medical cost, to improve accessibility of medical services and to lower medical risk. However, researches involved
no physicians’ cognition of patients’ conditions in intelligent inquiry under e-health business mode,
offered no diagnosis big data, neglected the values of the fused text information generated by joint activities of
online and offline medical data, and failed to thoroughly analyze the phenomenon of redundancy-complementarity
dispersion caused by high-order information shortage from the online inquiry data-driven perspective.
Besides, the risk prediction simply based on offline clinical cognitive diagnosis data undoubtedly reduces
prediction precision. Importantly, relevant researches rarely considered temporal relationships of different
medical events, did not conduct detailed analysis on practical problems of pattern explosion, did not offer a
thought of intelligent portrayal map, and did not conduct relevant risk prediction based on the sub-maps obtained
from the map. In consequence, the paper presents a disease risk prediction method with the model for
redundancy-complementarity dispersion-based feature selection from physicians’ online cognitive diagnosis big
data to realize features selection from the cognitive diagnosis big data of online intelligent inquiry; the obtained
features were ranked intelligently for subsequent high-dimensional information shortage compensation; the
compensated key feature information of the cognitive diagnosis big data was fused with offline electronic
medical record (EMR) to form the virtual electronic medical record (VEMR). The formed VEMR was combined
with the method of the sequential feature map for modelling, and a sequential feature map-based model for
disease risk prediction was presented to obtain online users’ medical conditions. A neighborhood-based collaborative
prediction model was presented for prediction of an online intelligent medical inquiry user’s possible
diseases in the future and to intelligently rank the risk probabilities of the diseases. In the experiments, the online
intelligent medical inquiry users’ VEMRs were used as the foundation of the simulation experiments to predict
disease risks in chronic obstructive pulmonary disease (OCPD) population and rheumatic heart disease (RHD)
population. The experiments demonstrated that the presented method showed relatively good metric performances
in the VEMR and improved disease risk prediction. Keywords: Cognitive diagnosis big data | Online intelligent inquiry | Sequential feature map | Disease risk prediction | Redundancy and complementarity dispersion |
مقاله انگلیسی |
16 |
Fisheries co-management in hilsa shad sanctuaries of Bangladesh: Early experiences and implementation challenges
مدیریت شیلات در پناهگاه های هیلسا از بنگلادش: تجربیات اولیه و چالش های اجرایی-2020 Community-based fisheries management has long been practiced in the management of the inland fisheries of
Bangladesh. However, formal coastal co-management has only been implemented recently in hilsa shad (Tenualosa
ilisha) sanctuaries. The study analysed the pre-implementation processes, institutional arrangements,
implementation activities, as well as challenges for fisheries co-management that are currently being implemented
in the Padma-Meghna riverine-estuarine system. As a first step in establishing a co-management system
in hilsa shad sanctuaries, communities (both fishing villages and fish landing centres) were selected for interventions.
Co-management committees were formed from the community-village to district level with the
defined tasks of developing plans and programs, implementing management rules and regulations, monitoring
compliance, and creating awareness in a cost-effective manner among various stakeholders. Still, the operationalization
of co-management in this large riverine-estuarine system is a challenging task. To overcome these
challenges, several issues had to be considered through lessons learned from previously implemented
community-based fisheries management projects in Bangladesh. To ensure that fisheries co-management is
functional, the institutional framework needs to be flexible with support from local government institutions and
NGOs. The boundary of the management unit needs to be clearly defined and community-based organization also
needs a clear legal status. To make co-management sustainable, a relationship of trust and respect among comanagement
partners needs to be developed and maintained. The effective implementation of fisheries comanagement
will require an inclusive compensation scheme that will motivate stakeholders to comply and
maintain fisheries management efforts through collective action. Keywords: Hilsa sanctuaries | Co-management | Small-scale fisheries | Implementation challenges |
مقاله انگلیسی |
17 |
Intensive quadratic programming approach for home energy management systems with power utility requirements
رویکرد برنامه نویسی درجه دوم فشرده برای سیستم های مدیریت انرژی خانه با نیازهای ابزار برق-2020 This paper proposes a model of a home energy management system (HEMS) to meet utility requirements while
maximizing home profit. It contributes to intensify the flattening effects on the exchanging power pattern with a
constraint of a fair profit reduction among households. The proposed method first uses a normal mixed-integer
linear programming approach to find out the highest profit a household can get under a condition of a generous
power limitation. It is highly possible that the resulted power aggregated from numerous homes may negatively
affect power system operation such as violating voltage limits and overloading transformers. Based on that
highest profit, the utility proposes the same percentage number of profit reduction for all households. Then, each
HEMS performs an intensive mixed-integer quadratic programming optimization to flatten the selling and
buying profiles whilst constraining the home profit reduction to the percentage set by the utility. A simulation
shows that the peak power demand at the substation transformer would reduce about 44% if each household
suffered a reduction of just 10% of the highest possible home profit. Since the flattening effects are improved if
increasing the home profit reduction, our method is a basis for the utility to determine a compensation or
alternative incentives to shave the peak-load and flatten the demand curve. Keywords: Home Energy Management System | Peak-load shaving | Smart household | Smart home | Rooftop solar |
مقاله انگلیسی |
18 |
Runtime verification for business processes utilizing the Bitcoin blockchain
تأیید زمان اجرا برای فرآیندهای تجاری با استفاده از بلاکچین بیت کوین-2020 The usage of process choreographies and decentralized Business Process Management Systems has been named as an alternative to centralized business process orchestration. In choreographies, control over a process instance is shared between independent parties, and no party has full control or knowledge during process runtime. Nevertheless, it is necessary to monitor and verify process instances during runtime for purposes of documentation, accounting, or compensation.To achieve business process runtime verification, this work explores the suitability of the Bitcoin blockchain to create a novel solution for choreographies. The resulting approach is realized in a fully- functional software prototype. This software solution is evaluated in a qualitative comparison. Findings show that our blockchain-based approach enables a seamless execution monitoring and verification of choreographies, while at the same time preserving anonymity and independence of the process participants. Furthermore, the prototype is evaluated in a performance analysis.© 2017 Elsevier B.V. All rights reserved. Keywords: Choreographies | Blockchain | Business process management | Runtime verification |
مقاله انگلیسی |
19 |
Design and Accomplishment of AI Control Platform for Reactive Power Cloud Compensation System
طراحی و تحقق بستر کنترل هوش مصنوعی برای سیستم جبران ابر برای توان راکتیو-2020 The balance of active and reactive power in the
power system is very important for the normal operation of
the whole system, the correct method is to inject the
corresponding reactive power where much of the reactive
power is consumed to maintain the balance. it is of great
positive significance to develop a device with integrated new
switching technology that can realize non-impact switching of
capacitor banks and be controlled by better algorithms. In this
paper ???? an artificial intelligent (AI) control platform for
reactive power cloud compensation system is designed and
achieved, by switching capacitors on the load side, the
requirements of capacitor switching conditions are analyzed,
the requirements of capacitor bank and capacitor controller
are put forward, and the theoretical analysis is carried out.
Results of the installation operation in site show high
performance of the designed system. Keywords: control platform | reactive power | artificial intelligent | cloud compensation system |
مقاله انگلیسی |
20 |
The pioneer market for forest law compliance in Paragominas, Eastern Brazilian Amazon
بازار پیشگام برای پیروی از قانون جنگل ها در پاراگومیناس ، آمازون شرقی برزیل-2020 This paper explores farmers’ motivations to participate in a market mechanism to come into compliance with the
forest laws in Brazil. As of July 2008, farmers with deforestation beyond what is legally permitted can choose
between compensating for illegal deforestation at another property or restoring this environmental debt in situ.
The study analyzes the first real case of such a compensation market in the Amazonia, started in 2014 in the
municipality of Paragominas, Pará. I explore the main features of the Paragominas compensation market in order
to understand why farmers with forest deficits would opt for such a mechanism. In particular, the main question
explored in this study is: what economic and environmental factors influence the choice to compensate rather
than restore in properties with a legal reserve deficit in Paragominas? Results show that an increase in the
percentage of illegal deforestation that occurred up to 2008 on a property is associated with an increase in the
predicted probability of choosing compensation, when keeping agriculture as a land use, the property size, and
the number of land uses in the property unchanged. The study also reveals that farmers with forest deficits may
prefer to buy a forest area instead of renting for compensation if they have enough capital to invest. Keywords: Brazilian amazon | Forest Code | Environmental law compliance | Paragominas | Pará State |
مقاله انگلیسی |