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Now showing items 1-20 of 45

Fluorescent nano materials and their sensing ability towards organic pollutants

Islam, Mariam (University of Dhaka, 2014-06-25)

Synthesis of 1,3-bis(1-butylbenzimidazol-2-yl)benzene (L-2), 2,5-bis(1-butylbenzimidazol- 2-yl)thiophene(L-4), 2,5-bis(1-octylbenzimidazol-2-yl)thiophene (L-5), tetrarhenium metallacycles [{Re(CO)3}2(μ-dhaq)(μ-N–N)]2 (L-6) ...
Treatment of textile effluent by radiation for dyeing and irrigation purpose

Bhuiyan, Muhammad Abdur Rahman (University of Dhaka, 2015-05-15)

This research demonstrated the scope of using high energy gamma radiation for textile wastewater treatment and studied the possibility of recycling the irradiated water for fabric processing and reusing in irrigation ...
Anti-cancer and cytotoxic constituents from some Bangladeshi medicinal plants

Kabir, Selina (University of Dhaka, 2015-05-19)

This thesis describes the isolation and structure elucidation of secondary metabolites from three plants namely Polyalthia simiarum Hook. F. and Thom. ( Family- Annonaceae ) , Glochidion multiloculare ( Roxb. ex Willd.) ...
Study on the treatment of tannery solid wastes of Bangladesh for their potential utilisation

Deb, Amal Kanti (University of Dhaka, 2015-05-28)

The tannery solid waste namely chrome shaving dust has been characterized and subjected to biochemical treatment using proteolytic enzyme and mild alkalis. In this study full chrome (chrome content 3.42 % and low chrome ...
Development of low frequency ferrite core materials using magnetite, a beach sand mineral

Akhter, Shireen (University of Dhaka, 2015-06-01)

Low frequency ferrite core materials of iron deficient Ni-Zn ferrites and iron excess Mn-Zn ferrites have been developed using cheap beach sand mineral magnetite (Fe3O4) as the basic ingredient as well as with the addition ...
Removal of heavy metals from aqueous medium and their impact on biological system

Choudhury, Tasrina Rabia (University of Dhaka, 2016-06-05)

The presence of arsenic in groundwater has been recognized as a major problem for Bangladesh. Due to its high toxicity, even in low concentrations, it is a threat to human health. There are many techniques, which can be ...
Design and implementation of a reversible central processing unit

Jamal, Laﬁfa (University of Dhaka, 2018-04-05)

Reversible logic is an emerging technology. Conventional logic dissipates more power by losing bits of information whereas reversibility recovers bit loss from the unique input-output mapping. Reversible computing spans ...
Dynamic traffic engineering for high-throughput data delivery in wireless mesh networks

Islam, Maheen (University of Dhaka, 2018-04-08)

Wireless Mesh Network (WMN) has recently been emerged as a promising technology for wireless Internet infrastructure development because of its low cost, ease of deployment and installation facilities. The increasing number ...
Maximizing Coverage Quality Using Minimum Number of Nodes in Clustered Directional Sensor Networks

Sharmin, Selina (University of Dhaka, 2018-09-24)

The invention of directional sensor nodes has given birth of a special kind of network namely Directional Sensor Network (DSN), which provides better network lifetime and sensing coverage compared to its omni-directional ...
A new approach of bangla news document summarization

Haque, Md. Majharul (University of Dhaka, 2018-09-24)

The object of this research work is to propose a new method of automatic Bangla news document summarization. It is noticeable that the existing English text summarization systems may not be directly applicable for Bangla ...
Computer vision based Bangla sign language recognition

Rahaman, Muhammad Aminur (University of Dhaka, 2018-10-11)

The recognition of computer vision-based natural Bangla sign language in real-time is challenging due to occlusion, illumination variation, cluttered background and huge computational cost. This thesis presents a computer ...
Duty-cycle Medium Access Control for Directional Wireless Sensor Networks

Nur, Fernaz Narin (University of Dhaka, 2018-10-27)

Directional communication in wireless sensor network minimizes interference and thereby increases reliability and throughput performances of the network. Such advantages of Directional Wireless Sensor Networks (DSNs) have ...
Performance of Gamma Irradiated Polysaccharides as Growth Promoter on Selective Crops

Aktar, Ferdous (University of Dhaka, 2019-03-31)

Biopolymers are excellent to be used in various biomedical, environmental, industrial, pharmaceutical and agricultural applications. Chitosan and alginate are very forefront polymers of this category. Their potentiality ...
Study on Structural, Optical and Electrical Properties of Single Junction Mono-crystalline Silicon Solar Cells

Akter, Nahid (University of Dhaka, 2019-05-22)

The gap between laboratory scale and commercial silicon solar cells is wider as many standard processes are not being practiced in transforming to commercialization. The main objective of this work is to investigate the ...
Study on semiconductor material silicon for photovoltaic application using hot wire chemical vapor deposition techniques

Abul Hossion, Md (University of Dhaka, 2019-06-18)

Large grain polycrystalline silicon thin film on low cost and robust substrate is an interesting area of research for photovoltaic devices. This film can be used to fabricate solar cell which has a potential to achieve 20% ...
User Authentication from Mouse Movement Data Using Multi Classifier

Karim, Masuda (University of Dhaka, 2019-10-07)

User authentication is a process to verify the identity of someone who connects to system or resource. There are many technologies to authenticate a user. The biometric authentication system is becoming very popular due ...
Removal of chromium from tannery waste water using Non Agricultural wastes

Murad, A.B.M. Wahid (University of Dhaka, 2019-10-17)

The removal of Cr (III) from aqueous solutions by batch adsorption technique using different low cost adsorbents was investigated. The objective of the study was to find out a suitable low cost, available, environmental ...
Study of Thin Film Semiconductor Materials for The Fabrication of Solar Cells

Hussain, Kazi Md. Amjad (University of Dhaka, 2019-12-10)

The CdTe, CdS, Al doped ZnO (AZO), Sn02 (TO), Al doped Sn02 (ATO), In doped Sn02 (ITO) thin film are successfully deposited by thermal evaporation method. The films are deposited on different types of substrates with ...
Efficiency Improvement of Crystalline Silicon Solar Cell Using Different Texturing and ARC Methods in Bangladesh

Hashmi, Galib (University of Dhaka, 2020-01-01)

For the first time in 2015, monocrystalline silicon solar cell has been fabricated in one and only monocrystalline solar cell fabrication laboratory established in Atomic Energy Research Establishment (AERE), Savar, ...
Design and Implementation of Reversible Programmable Devices

Tara, Nazma (University of Dhaka, 2020-03-15)

Reversible logic is a computing design, where the ideal implementation would produce zero entropy gain. This unique feature causes the prominent use of reversible computing. More integration capability and regular structure ...

Now showing items 1-20 of 45

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