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科技纵览 2021年第9期 56-56页

作者： sakib ahmed 10区IEEE孟加拉国分部

由于新冠疫情的原因,今年的10月5日将成为12年来第一次同时以现场和虚拟形式举办的IEEE开放曰。今年IEEE开放日的主题是“利用技术创造更好的明天”,鼓励全世界范围内的IEEE会员通过会员协作的方式来庆祝。IEEE开放日是为了纪念1884年... 详细信息

由于新冠疫情的原因,今年的10月5日将成为12年来第一次同时以现场和虚拟形式举办的IEEE开放曰。今年IEEE开放日的主题是“利用技术创造更好的明天”,鼓励全世界范围内的IEEE会员通过会员协作的方式来庆祝。IEEE开放日是为了纪念1884年在费城举办的会议,当时IEEE两个前身协会之一的美国电气工程师协会的成员首次聚集在一起分享了技术理念。

关键词：电气工程师技术理念开放日 IEEE 虚拟形式协会庆祝

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Improved Self-Pruning for Broadcasting in Ad Hoc Wireless Networks

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Wireless Sensor Network 2017年第2期9卷 73-86页

作者： Raqeebir Rab Shaheed ahmed Dewan Sagar Nazmus sakib Ahasanul Haque Majedul Islam Ashikur Rahman Department of Computer Science and Engineering Ahsanullah University of Science and Technology Dhaka Bangladesh Department of Computer Science and Engineering Bangladesh University of Engineering and Technology (BUET) Dhaka Bangladesh

Reducing number of forwarding nodes is the main focus of any broadcasting algorithm designed for ad-hoc wireless networks. All reliable broadcasting techniques can be broadly classified under proactive and reactive approaches. In proactive approach, a node selects a subset of its neighbors as forwarding node and announces the forwarding node list in the packet header during broadcast. On the other hand, no such forwarding list is generated in reactive approach. Rather, a node (cognitively) determines by itself whether to forward the packet or not based on neighbor information. Dominant pruning and Self-pruning are two example techniques that fall under proactive and reactive approach respectively. Between the two methods, dominant pruning shows better performance than self-pruning in reducing number of forwarding nodes as they work with extended neighbor knowledge. However, appended forwarding node list increases message overhead and consumes more bandwidth. As a result, the approach becomes non-scalable in large networks. In this paper, we propose a reactive broadcasting technique based on self-pruning. The proposed approach dubbed as “Improved Self-pruning based Broadcasting (ISB)” algorithm completes the broadcast with smaller packet header (i.e., with no overhead) but uses extended neighbor knowledge. Simulation results show that ISB outperforms dominant pruning and self-pruning. Furthermore, as the network gets more spread and denser, ISB works remarkably well.

关键词： Broadcasting Pruning Forwarding Set Heuristics

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Development and Biochemical Composition Assessment of Fish Powders from Bangladeshi Indigenous Fish Species and Shelf-Life Characteristics Evaluation During 90 Days of Room Temperature (27°C - 30°C) Storage

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Food and Nutrition Sciences 2019年第8期10卷 963-984页

作者： Niaz Mahmud Shovon Al-Fuad Shahriar Islam Satya Abdullah Al Mamun Suzon ahmed Adnan Karim Monirul Islam Jannatul Ferdaus Shofiqul Islam Nazmus sakib Jui Yeasmin Department of Nutrition and Food Technology Jashore University of Science and Technology Jashore Bangladesh Department of Genetic Engineering and Biotechnology Jashore University of Science and Technology Jashore Bangladesh State Key Laboratory of Food Science and Technology Jiangnan University Wuxi China Rural Development Academy (RDA) Bogra Bangladesh Department of Genetic Engineering and Biotechnology University of Rajshahi Rajshahi Bangladesh

In Bangladesh, Fish is a major source of daily protein intake of millions of people but most of the fishes are consumed here as fresh fish which is highly susceptible to damage during transportation and marketing. Therefore, an innovative approach was undertaken to process the fish to avoid damage and extend shelf-life while preserving the nutritional qualities to facilitate the more efficient use of fish as a source of protein and other essential nutrients. This study was conducted to develop some dried protein-enriched fish powders from some commonly consumed fish species in Bangladesh and the nutritional, sensorial, and safety qualities were assessed. Five indigenous abundant fish species including small indigenous fish (SIS) and carp fishes namely Awaous grammepomus, Channa punctata, Puntius puntio, Hypophthalmichthys molitrix and Labeo rohita were used for the preparation of dried protein-enriched fish powders. Biochemical, trace elements, sensorial, total viable count (TVC), pH, peroxide value, and moisture reconstitution during 90 days storage period were performed by standard analytical methods. The moisture, protein, fat, ash, carbohydrate (including fiber), and energy contents were ranged from (6.84% to 8.85%), (70.80% to 75.80%), (5.85% to 8.04%), (7.66% to 9.19%), (3.14% to 6.01%) and (367.50% to 379.61% kcal)/100g respectively. Highest content of protein was found in A. grammepomus (75.80%) samples and the lowest in H. molitrix (70.80%) samples. Maximum calcium content was found in sample L. rohita (2.54 g/kg) and minimum in C. punctate as (2.43 g/kg). Maximum iron content was found in H. molitrix (0.15 g/kg) and minimum in A. grammepomus. As for the phosphorous content the L. rohita samples contained the highest (1.4 g/kg) and the lowest in C. punctate (0.73 g/kg) samples. The pH, peroxide value (mEq of O2/kg of fat), and moisture reconstitution (g/100g) during 90 days were ranged from (5.30 to 8.17), (8.60 to 16.77), and (6.84 to 13.83) respectively.

关键词： Biochemical Quality Trace Element Sensory Evaluation Microbial Analysis

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