O documento discute as principais fontes de energia no Brasil, incluindo petróleo, gás natural, biocombustíveis, hidrelétrica e energia eólica. O petróleo ainda domina a matriz energética global e no Brasil, apesar dos esforços para desenvolver fontes renováveis e reduzir a dependência de combustíveis fósseis poluentes. As descobertas do pré-sal podem aumentar significativamente as reservas de petróleo do país.
This document contains information from a group of security researchers focused on assessing industrial control systems and SCADA platforms. Their goals are to automate security assessments, understand systems, assess security features, and create audit guides. It discusses engineering tools, SCADA/HMI software, PLCs, and vulnerabilities found like buffer overflows and injection issues. The researchers aim to advance understanding and help organizations prioritize patches through responsible disclosure of vulnerabilities.
This document discusses the various sources of foodborne microorganisms, including the atmosphere, soil, water, plants, and animals. It describes the typical microbial flora found in each environment and how microbes from these sources can contaminate foods and potentially cause spoilage or foodborne illness. The conclusion emphasizes that understanding the natural and transient microflora of foods is important for ensuring food safety during storage and preventing microbial growth.
Walton Hi-Tech Industries Ltd. is the one and only manufacturer of multi-staged Refrigerator, Freezer, Air Conditioner, Television and Motorcycle technology and is treated as one of the sophisticated manufacturing plant in Bangladesh and South Asia. R.B. Group (Parent Company) is one of the top business groups in the country operating with a great reputation since 1977. Walton has become a sensation all over Bangladesh and in the world of electronics, electrical and automobile industries.
SAPM - Portfolio Construction and Comparison for Securities on BSEBishnu Kumar
This document presents a study on portfolio construction and comparison of securities listed on the Bombay Stock Exchange (BSE). It begins with an introduction to modern portfolio theory and the single index model. It then discusses factors that impact company performance such as economic, industry and company-specific analyses. The document outlines the study's objectives, methodology and data analysis approach. It describes calculating beta and constructing optimal portfolios using the Sharpe single index model. The document compares the resulting portfolios and provides observations. Tables with portfolio construction worksheets are also included.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like depression and anxiety.
Slime molds can have both fungal and amoebal characteristics, existing in two forms - cellular and plasmodial. Cellular slime molds resemble amoebas and ingest bacteria through phagocytosis, while plasmodial slime molds consist of a multi-nucleated mass that engulfs debris and bacteria as it moves. Parasitic worms that live in humans include flatworms like flukes and tapeworms, and roundworms like nematodes. Arthropods such as ticks and insects can carry diseases as vectors, and vector-borne diseases are most effectively controlled by eliminating the vector.
O documento discute as principais fontes de energia no Brasil, incluindo petróleo, gás natural, biocombustíveis, hidrelétrica e energia eólica. O petróleo ainda domina a matriz energética global e no Brasil, apesar dos esforços para desenvolver fontes renováveis e reduzir a dependência de combustíveis fósseis poluentes. As descobertas do pré-sal podem aumentar significativamente as reservas de petróleo do país.
This document contains information from a group of security researchers focused on assessing industrial control systems and SCADA platforms. Their goals are to automate security assessments, understand systems, assess security features, and create audit guides. It discusses engineering tools, SCADA/HMI software, PLCs, and vulnerabilities found like buffer overflows and injection issues. The researchers aim to advance understanding and help organizations prioritize patches through responsible disclosure of vulnerabilities.
This document discusses the various sources of foodborne microorganisms, including the atmosphere, soil, water, plants, and animals. It describes the typical microbial flora found in each environment and how microbes from these sources can contaminate foods and potentially cause spoilage or foodborne illness. The conclusion emphasizes that understanding the natural and transient microflora of foods is important for ensuring food safety during storage and preventing microbial growth.
Walton Hi-Tech Industries Ltd. is the one and only manufacturer of multi-staged Refrigerator, Freezer, Air Conditioner, Television and Motorcycle technology and is treated as one of the sophisticated manufacturing plant in Bangladesh and South Asia. R.B. Group (Parent Company) is one of the top business groups in the country operating with a great reputation since 1977. Walton has become a sensation all over Bangladesh and in the world of electronics, electrical and automobile industries.
SAPM - Portfolio Construction and Comparison for Securities on BSEBishnu Kumar
This document presents a study on portfolio construction and comparison of securities listed on the Bombay Stock Exchange (BSE). It begins with an introduction to modern portfolio theory and the single index model. It then discusses factors that impact company performance such as economic, industry and company-specific analyses. The document outlines the study's objectives, methodology and data analysis approach. It describes calculating beta and constructing optimal portfolios using the Sharpe single index model. The document compares the resulting portfolios and provides observations. Tables with portfolio construction worksheets are also included.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like depression and anxiety.
Slime molds can have both fungal and amoebal characteristics, existing in two forms - cellular and plasmodial. Cellular slime molds resemble amoebas and ingest bacteria through phagocytosis, while plasmodial slime molds consist of a multi-nucleated mass that engulfs debris and bacteria as it moves. Parasitic worms that live in humans include flatworms like flukes and tapeworms, and roundworms like nematodes. Arthropods such as ticks and insects can carry diseases as vectors, and vector-borne diseases are most effectively controlled by eliminating the vector.
The document provides background information on a marketing strategy project report submitted by Saiful Islam for Walton Ltd. It includes:
1. An introduction outlining the purpose, objectives and methodology of the report.
2. Details about Walton including its history, mission, goals, organizational structure and product range.
3. Analysis of Walton's marketing activities including products, consumers, promotion, advertising, sales and pricing.
4. Findings from a SWOT analysis and recommendations.
The report was prepared as part of an MBA program requirement and aims to analyze Walton's overall marketing strategy and brand performance.
Samsung aims to inspire the world and create the future through innovative products and creative solutions. It has a mission to become a creative leader in new markets and change its reputation from being a fast follower. Currently in Bangladesh, Samsung targets segments like tech enthusiasts, social contacts, value seekers, and music lovers. It positions itself as a challenger to market leader Nokia, with a goal of achieving market leadership by 2013. Samsung analyzes factors like the growing economy, technology advancement, and social trends in Bangladesh to develop effective marketing strategies.
This document provides an introduction to food microbiology. It discusses how microorganisms can cause food to deteriorate through growth and enzymatic changes, but can also be beneficial through processes like fermentation. Probiotics are discussed as beneficial microbes taken as supplements. Food spoilage and its causes like microbial growth are also explained. The role of moisture content in a food's perishability is covered.
This document discusses the identification of Streptococcus bacteria from clinical specimens. It describes the characteristics of streptococci as gram-positive cocci that can appear in chains or pairs and are usually encapsulated. Sources of streptococcal specimens include the respiratory, gastrointestinal, and genitourinary tracts and skin. Identification methods mentioned include examining hemolysis on blood agar, gram stains showing streptococci in chains, optochin susceptibility testing for S. pneumoniae, bacitracin testing and rapid identification tests for S. pyogenes, and serological testing of antistreptolysin O titers.
قلاب سازی در تحلیل بدافزارهاHooking in Malware AnalysisM Mehdi Ahmadian
قلاب سازی ، یک مفهوم برای به دست آوردن کنترل جریان اجرایی برنامه بدون تغییر و کامپایل مجدد کد منبع آن است .
توسط متوقف سازی فراخوانی تابع و هدایت مجدد آن به کد سفارشیشده ، به دست میآید.
با تزریق کد سفارشی ، هر عملیاتی را میتوان اجرا نمود . پسازآن ، قابلیتهای اصلی تابع می تواند اجراشده و نتیجه میتواند یا بهسادگی برگشت داده شود و یا تغییر داده شود
محمد مهدی احمدیان
The document provides background information on a marketing strategy project report submitted by Saiful Islam for Walton Ltd. It includes:
1. An introduction outlining the purpose, objectives and methodology of the report.
2. Details about Walton including its history, mission, goals, organizational structure and product range.
3. Analysis of Walton's marketing activities including products, consumers, promotion, advertising, sales and pricing.
4. Findings from a SWOT analysis and recommendations.
The report was prepared as part of an MBA program requirement and aims to analyze Walton's overall marketing strategy and brand performance.
Samsung aims to inspire the world and create the future through innovative products and creative solutions. It has a mission to become a creative leader in new markets and change its reputation from being a fast follower. Currently in Bangladesh, Samsung targets segments like tech enthusiasts, social contacts, value seekers, and music lovers. It positions itself as a challenger to market leader Nokia, with a goal of achieving market leadership by 2013. Samsung analyzes factors like the growing economy, technology advancement, and social trends in Bangladesh to develop effective marketing strategies.
This document provides an introduction to food microbiology. It discusses how microorganisms can cause food to deteriorate through growth and enzymatic changes, but can also be beneficial through processes like fermentation. Probiotics are discussed as beneficial microbes taken as supplements. Food spoilage and its causes like microbial growth are also explained. The role of moisture content in a food's perishability is covered.
This document discusses the identification of Streptococcus bacteria from clinical specimens. It describes the characteristics of streptococci as gram-positive cocci that can appear in chains or pairs and are usually encapsulated. Sources of streptococcal specimens include the respiratory, gastrointestinal, and genitourinary tracts and skin. Identification methods mentioned include examining hemolysis on blood agar, gram stains showing streptococci in chains, optochin susceptibility testing for S. pneumoniae, bacitracin testing and rapid identification tests for S. pyogenes, and serological testing of antistreptolysin O titers.
قلاب سازی در تحلیل بدافزارهاHooking in Malware AnalysisM Mehdi Ahmadian
قلاب سازی ، یک مفهوم برای به دست آوردن کنترل جریان اجرایی برنامه بدون تغییر و کامپایل مجدد کد منبع آن است .
توسط متوقف سازی فراخوانی تابع و هدایت مجدد آن به کد سفارشیشده ، به دست میآید.
با تزریق کد سفارشی ، هر عملیاتی را میتوان اجرا نمود . پسازآن ، قابلیتهای اصلی تابع می تواند اجراشده و نتیجه میتواند یا بهسادگی برگشت داده شود و یا تغییر داده شود
محمد مهدی احمدیان
با رشد روزافزون تعاملات الکترونیکی و اقبال به توسعه تجارت الکترونیکی، چالش اعتماد به «تعاملات الکترونیکی و صحت اسناد الکترونیکی مبادله شده» بهعنوان چالش جدیدی در این عرصه مطرح است. اعتماد و امنیت در فضای مجازی نیازمند برخورداری از زیرساخت مطمئن و قابلاعتماد است که در نظام قانونی کشورهای بهکارگیرنده پذیرفته شده باشد. امروزه رایجترین و جامعترین زیرساخت اعتماد در فضای مجازی، زیرساخت کلید عمومی (PKI) است.
زیرساخت کلید عمومی (Public Key Infrastructure) به بستر فراهمشده در کشورها جهت بهکارگیری گواهیهای الکترونیکی گفته میشود که شامل مجموعهای از قوانین، سیاستها و دستورالعملها، استانداردها، سختافزارها، نرمافزارها و فرایندهاست. مزایای استفاده از گواهی الکترونیکی در تعاملات الکترونیکی: «اطمینان از دستنخوردگی اسناد مبادله شده»، «اطمینان از هویت شخص ارسالکننده» و «اطمینان از انکارناپذیری تولید سند توسط تولیدکننده آن» است؛ بنابراین PKI (که بستر بهکارگیری و مدیریت گواهیهای الکترونیکی را در یک کشور فراهم میکند) پیشنیاز برقراری تعاملات تجاری/غیرتجاری الکترونیکی مطمئن در میان طرفین داخلی یا بینالمللی است.