Problems and Prospects of Silk Industry in Bangladesh

Bangladesh is an underdeveloped and agro-based country. Silk industry is one of the important sectors of our national economy. It has a long and glorious past history but the growth and market share is not satisfactory of this industry to the national and global context. Thus it is an urgent need to mark the existing problem and future expectations of silk industry in Bangladesh. In our study we find out some problems of silk industry in Bangladesh like old technology, poor advertising, limited showroom, shortage of raw materials, inadequate capital, insufficient governmental facilities etc. We also find out some prospects of this industry like growth of sales and market share, low cost of labor, increasing demand, good geographical location, employment opportunity etc. So, it is essential to make effective plan and proper execution of that plan to get back the glorious position of our silk industry as well as to help the economical development of our country. Keywords: Silk, Mulberry, Industry Growth, Market Share, Technology, Quality Control

Authorship Classification in a Resource Constraint Language Using Convolutional Neural Networks

Authorship classification is a method of automatically determining the appropriate author of an unknown linguistic text. Although research on authorship classification has significantly progressed in high-resource languages, it is at a primitive stage in the realm of resource-constraint languages like Bengali. This paper presents an authorship classification approach made of Convolution Neural Networks (CNN) comprising four modules: embedding model generation, feature representation, classifier training and classifier testing. For this purpose, this work develops a new embedding corpus (named WEC) and a Bengali authorship classification corpus (called BACC-18), which are more robust in terms of authors’ classes and unique words. Using three text embedding techniques (Word2Vec, GloVe and FastText) and combinations of different hyperparameters, 90 embedding models are created in this study. All the embedding models are assessed by intrinsic evaluators and those selected are the 9 best performing models out of 90 for the authorship classification. In total 36 classification models, including four classification models (CNN, LSTM, SVM, SGD) and three embedding techniques with 100, 200 and 250 embedding dimensions, are trained with optimized hyperparameters and tested on three benchmark datasets (BACC-18, BAAD16 and LD). Among the models, the optimized CNN with GloVe model achieved the highest classification accuracies of 93.45%, 95.02%, and 98.67% for the datasets BACC-18, BAAD16, and LD, respectively

Multiplex-PCR protocol development for rapid screening of white spot syndrome virus (WSSV) in shrimp

This study was aimed to develop a faster single step multiplex PCR protocol for the simultaneous detection of white spot syndrome virus (WSSV) with its host (i.e. shrimp) as internal positive control. To do so, four combinations of primer were tested (I. 16S rRNA+Lo F1R1; II. 16S rRNA+Lo F2R2; III. 16S rRNA+Lo F1R2; IV. 16S rRNA+Lo F2R1) which were selected based on two pairs of WSSV specific primer (Lo F1R1 and Lo F2R2) and one pair of shrimp specific primer (16S rRNA). DNA extracted from WSSV infected shrimp were amplified by PCR in a single tube using each of the primer combinations and the thermal cycling conditions as well as reagent compositions were optimized. All the primer combinations yielded their expected band sizes with stronger band resolution intensity that indicated the development of four multiplex PCR protocols. The developed multiplex protocols reduced the chance of cross contamination and these were found to be faster, single step and unique with less effort and resource use. Considering sensitivity and specificity, among the protocols, we suggested the protocols based on 16S rRNA+Lo F1R1 and/or 16S rRNA+Lo F2R2 primer combinations for rapid and routine screening of WSSV in shrimp PL, juvenile and adult

Fabrication of submicron La2−x_{2-x}Srx_{x}CuO4_{4} intrinsic Josephson junction stacks

Intrinsic Josephson junction (IJJ) stacks of cuprate superconductors have potential to be implemented as intrinsic phase qubits working at relatively high temperatures. We report success in fabricating submicron La$_{2-x}$Sr$_{x}$CuO$_{4}$ (LSCO) IJJ stacks carved out of single crystals. We also show a new fabrication method in which argon ion etching is performed after focused ion beam etching. As a result, we obtained an LSCO IJJ stack in which resistive multi-branches appeared. It may be possible to control the number of stacked IJJs with an accuracy of a single IJJ by developing this method.Comment: 5 pages, 6 figure

Safety Measures of Journalists during Corona Pandemic in Bangladesh

Among other frontline fighters journalists have been the first responders to the pandemic of the COVID-19 virus Because of following professional responsibilities they have become highly vulnerable to get exposed to the risk As a result providing safety measures to them has received the highest priority at this time It has been urged by national and international organizations and associations to media employers to provide safety measures to their respective journalists This study aims to examine the management of media employers of Bangladesh in providing safety measures to journalists The study interviews 48 journalists of 12 newspapers and 12 television channels selecting one reporter and one copy editor from each media The results reveal that the majority of journalists received inadequate nonstandard irregular imbalanced and improper safety measures while the rest got nothing because of the employer s total negligence and financial crisis The study also shows that the media employers failed to distribute safety measures between reporters and copy editors equally Based on the findings the study concludes by calling for a proper safety plan to protect journalists from health risk

Prospects and Evaluation of an Integrated Extension Model designed for Anthrax-free Area Development

The main purpose of this study wasto assess and evaluate anIntegrated Extension Modelto improve the overall knowledge, attitude and practice habits of community people over a sustained period.The survey questionnaire results have indicated that the various sources of anthrax message dissemination had played a significant role in the study. Among those responsible for disseminating the information, it was realized that studentsserving in the role of message disseminators played the most significant role (15%) indelivering the anthrax-related key information to the community. Majority community members (97.5%) were made aware of the nature, occurrence, public health importance, and management of the disease. Theirdangerous habits and attitudes toward slaughtering of sick animals were reduced (\u3c30%). The attention of local administration and the law enforcement agency focused distinctively on the issue of animal slaughter. Vaccination and clinical records reveal that the percentage of vaccination coverage was increased from 40% to 85% andthe percentage of farmers who can diagnose anthrax has been increased from 30% to 40%.On the other hand, their poor economic background together with the dispersed settlement nature of the farmers was the main gaps identified that continued to force them to slaughter infected animals, sell their products and to consequently concealthat information, all issues that are required to be addressed in the future. Based on the research findings, it can be concluded that this modelis an efficient, effective and suitable method to raise awareness levels in a large communitywith regards to a zoonotic disease like anthrax