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Brachyuran Crab Fauna Character Estimated from Marine Water of Bangladesh and Noted New Record (Crustacea: Decapoda) as Distribution

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Open Journal of Marine Science 2020年第4期10卷 218-232页

作者： Nur Alam Sanjay Chakraborty md. muzammel hossain Mohammad Abdul Baki Shayer Mahmood Ibney Alam Chenhong Li Department of Zoology Faculty of Life and Earth Science Jagannath University Dhaka Bangladesh Shanghai Universities Key Laboratory of Marine Animal Taxonomy and Evolution College of Fisheries and Life Science Shanghai Ocean University Shanghai China

As habitat and distribution, in the study a total of 18 crab species were identified, belonging to 10 families (Calappidae, Epialtidae, Gecarcinidae, Grapsidae, Matutidae, Ocypodidae, Panopeidae, Sesarmidae, Varunidae, and Xanthidae) order Decapoda under subphylum crustacean with relevant distinguish morphological and meristic character and geographical position. We investigated crab species of Bangladesh from December 2013 to October 2014. All species samples were collected by hand picking on a baseline survey in Saint Martin’s Island (the only coral island of Bangladesh) and adjacent marine water body of Bay of Bengal, Satkhira area (brackish and freshwater) and mangrove forest area (Sundarban). Among 18 species, 10 crab species from Family Epialtidae (1 species), Gecarcinidae (2 species), Ocypodidae (1 species), Panopeidae (1 species), Sesarmidae (1 species) and Xanthidae (4 species) were newly occurred in the Bay of Bengal, Bangladesh. Cardisoma armatum and Zosymus aeneus species were larger than other enlisted species.

关键词： Crab Species Morphology Distribution Coral Island Bangladesh

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Sustainable Use of Steel Industry Slag (SIS) for Concrete Production: A State Art of Review

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Open Journal of Applied Sciences 2019年第12期9卷 841-850页

作者： md. muzammel Hoque md. Arif Hosse Department of Business Administration Southern University Bangladesh Chattogram Bangladesh Center for Environmental Science & Engineering Research Chittagong University of Engineering & Technology Chattogram Bangladesh

This paper presents a review on the sustainable use of steel industry slag (SIS) in the construction industry for sustainable development. This issue also may contribute significantly to attain the sustainable development goal (SDG). If feasible sector is not determined earlier for the use of SIS for the country like Bangladesh then the unproductive uses will be increased and as well without large-scale utilization, direct dumping of SIS will create environmental hazards. On the other hand, the sustainable use of SIS in concrete production can contribute to the economic growth of the country;in addition, it can also contribute to keeping our natural environment safe from hazardous pollution. Another observation of this study is SIS used in cement and concrete production as aggregate or as additional cementing materials has a long-term strength and durability. Besides, replacement of cement with SIS deferred the hydration reaction at early ages, without any significant troubles. Furthermore, it can also be mentioned that high replacement of SIS with cement may raise a problem of volume instability which can be solved by using ground-granulated blast-furnace slag (GGBS) as combined admixture and the slump problem of concrete mixtures can be adjusted with addition of copper slag or class F fly ash. Feasibility analysis of SIS usage and an awareness program for all the stakeholders may be implemented for the sustainable uses of SIS. Both of these will play a vital role to safeguard environment in addition to economic growth of the country.

关键词： Cement Developing Country Sustainable Development Construction

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Decay of Rhizophora apiculata(Blume)and Xylocarpus granatum(Koenig)detrital sources in the Sarawak Mangrove,Malaysia

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Journal of Forestry Research 2020年第2期31卷 613-623页

作者： Abu Hena Mustafa Kamal Mohammed muzammel Hoque Mohd Hanafi Idris Osumanu Haruna Ahmed md.Khurshid Alam Bhuiyan md.Masum Billah md.Nesarul Hoque Zamri Rosli Department of Animal Science and Fishery Faculty of Agriculture and Food SciencesUniversiti Putra Malaysia Campus Bintulu97008 BintuluSarawakMalaysia School of Fisheries and Aquaculture Sciences Universiti Malaysia Terengganu21030 Kuala TerengganuTerengganu Darul ImanMalaysia Department of Crop Science Faculty of Agriculture and Food SciencesUniversity Putra Malaysia Bintulu Sarawak Campus97008 BintuluSarawakMalaysia Department of Physical Chemistry Faculty of Marine and Environmental SciencesUniversity of CadizPuerto Real CampusPoligono San Pedro s/n Puerto Real11519 CadizSpain The United Graduate School of Agriculture Sciences Kagoshima University1-21-24 KorimotoKagoshima 890-0056Japan Department of Forestry Faculty of Agriculture and Food SciencesUniversiti Putra Malaysia Bintulu Sarawak Campus97008 BintuluSarawakMalaysia

Decaying mangrove detritus plays a significant role in nutrient cycling and fueling in both the forests and aquatic habitats where the detritus stems from estuarine and coastal food *** decay rates partly depend on the type of detritus,but most studies have thus far focused on leaf litter decay and decomposition,whereas other detrital sources(except for roots)have largely been *** compare the decay rates of Rhizophora apiculata and Xylocarpus granatum non-leafy detritus(flowers,propagules,stipules,and twigs)with mangrove leaf litter in field studies,using litter bags during the dry and the wet seasons in the tropical mangrove forest of Sibuti,Sarawak,*** observed higher microbial decay rates of stipules,flowers,propagules,and twigs for both the *** and *** the wet *** contrast,leaf decay rates were higher during the dry *** rates depended on the lignin content of the detrital sources of both species,both during dry and wet ***,the half-life(T0.5)and 95%lifespan(T0.95)of non-leaf materials(flowers,propagules,stipules and twigs)for both species were remarkably longer than those of leaf *** decaying non-leafy detritus may play a significant role in nutrient and carbon cycling over longer time,when leaf litter is either being decomposing rapidly and/or being washed away by tidal flush and river ***,non-leafy(flowers,propagules,stipules and twigs)detritus should be taken into account when budgeting organic matter turnover in mangroves.

关键词： Microbial decay Decay constants Non-leafy detritus Sibuti mangrove Malaysia

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An Overview of the Development of Novel Textile Design by the Application of Creative Components of the Chakma Community of the Chittagong Hill Tracts in Bangladesh

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Journal of Textile Science and Technology 2020年第1期6卷 1-10页

作者： Chakma Arpan Xinbo Ding Shuying Jiang A. F. M. Fahad Halim Hossen md. muzammel Department of Textile Science & Engineering College of Materials and Textiles Zhejiang Sci-Tech University Hangzhou China

In the world, there are more than 370 million indigenous and tribal people with especial culture and traditions. The Chakma’s is one of the groups of indigenous people dwelling Chittagong hill tracts in Bangladesh. Chakma’s has its own culture, tradition, literature, and costume designs. The design costumes of the Chakma’s play an essential role. The Chakma’s preserved their textile design in “Alam”. Alam is a kind of cloth embroidered with various designs carrying the heritage of the Chakma. The use of Alam began approximately 500 years ago. All used clothing in Chakma society is weaved manually in the back-strap loom, which is generally very time-consuming— this limits its design aesthetics and universal use. Because of globalisation, the use of the traditional design of Chakma’s are threatened today. Till today in our country and overseas, no attempts were taken for research of the traditional Chakma’s design. The purpose of this research is to upgrade and digitise Chakma’s designs. Furthermore, efforts were made for the automatization of the traditional process to preserve traditional Chakma’s designs. In this study analysis of the fabric designs, pattern structure, colour applications of the traditional Aalam design were constructed using small prototype Rapier loom technology. We found that most of the single designs of the Alam were possible to weave in small prototype modern loom. On the other hand, intricate designs were not possible to weave in small prototype loom but are possible in the jacquard loom. The key idea is to establish an approach to modernise the traditional weaving process in order to make it convenient, economical and less time-consuming.

关键词： Aalam Indigenous Clothes Traditional Loom Plain Weave Structure Small Prototype Machine Automatic Loom

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