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Design of a Non-isolated Single Phase Online UPS Topology with Parallel Battery Bank for Low Power Applications (Hardcover, 1st... Design of a Non-isolated Single Phase Online UPS Topology with Parallel Battery Bank for Low Power Applications (Hardcover, 1st ed. 2019)
Muhammad Aamir
R3,290 Discovery Miles 32 900 Ships in 10 - 15 working days

This book presents a new topology of the non-isolated online uninterruptible power supply (UPS) system consisting of 3 components: bridgeless boost rectifier, battery charger/discharger, and an inverter. The online UPS system is considered to be the most preferable UPS due to its high level of power quality and proven reliability against all types of line disturbances and power outages. The new battery charger/discharger reduces the battery bank voltage, which improves performance and reliability, while a new control method for the inverter regulates the output voltage for both linear and nonlinear loads. The proposed USP system shows an efficiency of 94% during battery mode and 92% during the normal mode of operation.

Databases Theory and Applications - 26th Australasian Database Conference, ADC 2015, Melbourne, VIC, Australia, June 4-7, 2015.... Databases Theory and Applications - 26th Australasian Database Conference, ADC 2015, Melbourne, VIC, Australia, June 4-7, 2015. Proceedings (Paperback, 2015 ed.)
Mohamed A. Sharaf, Muhammad Aamir Cheema, Jianzhong Qi
R2,616 Discovery Miles 26 160 Ships in 10 - 15 working days

This book constitutes the refereed proceedings of the 26th Australasian Database Conference, ADC 2015, held in Melbourne, VIC, Australia, in June 2015. The 24 full papers presented together with 5 demo papers were carefully reviewed and selected from 43 submissions. The Australasian Database Conference is an annual international forum for sharing the latest research advancements and novel applications of database systems, data driven applications and data analytics between researchers and practitioners from around the globe, particularly Australia and New Zealand. The mission of ADC is to share novel research solutions to problems of today's information society that fulfill the needs of heterogeneous applications and environments and to identify new issues and directions for future research. ADC seeks papers from academia and industry presenting research on all practical and theoretical aspects of advanced database theory and applications, as well as case studies and implementation experiences.

Database Systems for Advanced Applications - 20th International Conference, DASFAA 2015, Hanoi, Vietnam, April 20-23, 2015,... Database Systems for Advanced Applications - 20th International Conference, DASFAA 2015, Hanoi, Vietnam, April 20-23, 2015, Proceedings, Part II (Paperback, 2015 ed.)
Matthias Renz, Cyrus Shahabi, Xiaofang Zhou, Muhammad Aamir Cheema
R3,297 Discovery Miles 32 970 Ships in 10 - 15 working days

This two volume set LNCS 9049 and LNCS 9050 constitutes the refereed proceedings of the 20th International Conference on Database Systems for Advanced Applications, DASFAA 2015, held in Hanoi, Vietnam, in April 2015. The 63 full papers presented were carefully reviewed and selected from a total of 287 submissions. The papers cover the following topics: data mining; data streams and time series; database storage and index; spatio-temporal data; modern computing platform; social networks; information integration and data quality; information retrieval and summarization; security and privacy; outlier and imbalanced data analysis; probabilistic and uncertain data; query processing.

Design of a Non-isolated Single Phase Online UPS Topology with Parallel Battery Bank for Low Power Applications (Paperback,... Design of a Non-isolated Single Phase Online UPS Topology with Parallel Battery Bank for Low Power Applications (Paperback, Softcover reprint of the original 1st ed. 2019)
Muhammad Aamir
R2,957 Discovery Miles 29 570 Ships in 10 - 15 working days

This book presents a new topology of the non-isolated online uninterruptible power supply (UPS) system consisting of 3 components: bridgeless boost rectifier, battery charger/discharger, and an inverter. The online UPS system is considered to be the most preferable UPS due to its high level of power quality and proven reliability against all types of line disturbances and power outages. The new battery charger/discharger reduces the battery bank voltage, which improves performance and reliability, while a new control method for the inverter regulates the output voltage for both linear and nonlinear loads. The proposed USP system shows an efficiency of 94% during battery mode and 92% during the normal mode of operation.

Databases Theory and Applications - 27th Australasian Database Conference, ADC 2016, Sydney, NSW, September 28-29, 2016,... Databases Theory and Applications - 27th Australasian Database Conference, ADC 2016, Sydney, NSW, September 28-29, 2016, Proceedings (Paperback, 1st ed. 2016)
Muhammad Aamir Cheema, Wenjie Zhang, Lijun Chang
R1,629 Discovery Miles 16 290 Ships in 10 - 15 working days

This book constitutes the refereed proceedings of the 27th Australasian Database Conference, ADC 2016, held in Sydney, NSW, Australia, in September 2016. The 33 full papers presented together with 11 demo papers were carefully reviewed and selected from 55 submissions. The mission of ADC is to share novel research solutions to problems of today's information society that fulfill the needs of heterogeneous applications and environments and to identify new issues and directions for future research. The topics of the presented papers are related to all practical and theoretical aspects of advanced database theory and applications, as well as case studies and implementation experiences.

Database Systems for Advanced Applications - DASFAA 2015 International Workshops, SeCoP, BDMS, and Posters, Hanoi, Vietnam,... Database Systems for Advanced Applications - DASFAA 2015 International Workshops, SeCoP, BDMS, and Posters, Hanoi, Vietnam, April 20-23, 2015, Revised Selected Papers (Paperback, 1st ed. 2015)
An Liu, Yoshiharu Ishikawa, Tieyun Qian, Sarana Nutanong, Muhammad Aamir Cheema
R2,566 Discovery Miles 25 660 Ships in 10 - 15 working days

DASFAA is an annual international database conference, located in the Asia-Pacific region,which show cases state-of-the-art R & D activities in databases-terms and their applications. It provides a forum for technical presentations and discussions among database researchers, developers and users from academia, business and industry. DASFAA 2015 the 20th in the series, was held during April 20-23, 2015 in Hanoi, Vietnam. In this year, we carefully selected two workshops, each focusing on specific research issues that contribute to the main themes of the DASFAA conference. This volume contains the final versions of papers accepted for the two workshops: Second International Workshop on Semantic Computing and Personalization (SeCoP 2015); Second International Workshop on Big Data Management and Service (BDMS 2015); and a Poster Session. [All the workshops were selected via a public call-for-proposals process. The workshop organizers put a tremendous amount of effort into soliciting and - lecting papers with a balance of high quality, new ideas and new applications. We asked all workshops to follow a rigid paper selection process, including the procedure to ensure that any Program Committee members are excluded from the paper review process of any paper they are involved with. A requirement about the overall paper acceptance rate of no more than 50% was also imposed on all the workshops.]

Database Systems for Advanced Applications - 20th International Conference, DASFAA 2015, Hanoi, Vietnam, April 20-23, 2015,... Database Systems for Advanced Applications - 20th International Conference, DASFAA 2015, Hanoi, Vietnam, April 20-23, 2015, Proceedings, Part I (Paperback, 2015 ed.)
Matthias Renz, Cyrus Shahabi, Xiaofang Zhou, Muhammad Aamir Cheema
R3,570 Discovery Miles 35 700 Ships in 10 - 15 working days

This two volume set LNCS 9049 and LNCS 9050 constitutes the refereed proceedings of the 20th International Conference on Database Systems for Advanced Applications, DASFAA 2015, held in Hanoi, Vietnam, in April 2015. The 63 full papers presented were carefully reviewed and selected from a total of 287 submissions. The papers cover the following topics: data mining; data streams and time series; database storage and index; spatio-temporal data; modern computing platform; social networks; information integration and data quality; information retrieval and summarization; security and privacy; outlier and imbalanced data analysis; probabilistic and uncertain data; query processing.

Bacteriophage Could Be a Hurdle in the Path of Progression of Viral Infection - a Review (Paperback): Muhammad Aamir Aslam,... Bacteriophage Could Be a Hurdle in the Path of Progression of Viral Infection - a Review (Paperback)
Muhammad Aamir Aslam, Syeda Zainab Akhlaq, Muhammad Tariq Javid
R764 Discovery Miles 7 640 Ships in 10 - 15 working days
Stability of Encapsulated Lactic Acid Bacteria in Yoghurt (Paperback): Afzaal Muhammad, Aamir Muhammad, Zahoor Tahir Stability of Encapsulated Lactic Acid Bacteria in Yoghurt (Paperback)
Afzaal Muhammad, Aamir Muhammad, Zahoor Tahir
R1,066 Discovery Miles 10 660 Ships in 10 - 15 working days
Wall Climbing Robot (Paperback): Sohail Muhammad Aamir, Ahmed Adeel, Muhammad Irfan Qaisar Khan Wall Climbing Robot (Paperback)
Sohail Muhammad Aamir, Ahmed Adeel, Muhammad Irfan Qaisar Khan
R1,064 Discovery Miles 10 640 Ships in 10 - 15 working days
Turnip Extract and Wastewater Treatment (Paperback): Muhammad Usman Amin, Muhammad Aamir Iqbal, Abu Saeed Hashmi Turnip Extract and Wastewater Treatment (Paperback)
Muhammad Usman Amin, Muhammad Aamir Iqbal, Abu Saeed Hashmi
R1,073 Discovery Miles 10 730 Ships in 10 - 15 working days

Waste from various industries contains numerous aromatic compounds that are carcinogenic in nature and have harmful impact on human health. Currently, several procedures are being used for removal of phenol (an aromatic compound) from industrial wastewater. Among these, application of enzymatic catalysis has the potential to substitute conventional methods of waste treatment. On other hand, TURNIP (Brassica napis) is widely cultivated as vegetable in different part of the world and cost effective because of its low-priced and readily availability. Turnip's peroxidase content derived from its extract was evaluated for removal of phenolic content present in tannery wastewater. Along with cost effectiveness and greater activity, crude TURNIP extract (comprising peroxidase) is an environment friendly approach to remove phenolic contents from polluted water. This book deals with each aspect of wastewater/ tannery effluent treatment through turnip extract (turnip peroxidases) to remove the phenolic contents. Moreover, this book also comprises methodology to maximize the activity of peroxidases for utmost elimination of phenolic contaminants.

The Osteoporosis (Paperback): Tahir Rasool Qamar, Muhammad Aamir Iqbal, Muhammad Nasir The Osteoporosis (Paperback)
Tahir Rasool Qamar, Muhammad Aamir Iqbal, Muhammad Nasir
R1,618 Discovery Miles 16 180 Ships in 10 - 15 working days

The present surveillance study was conducted to assess the prevalence of bone mineral density disorders in relationship with modification in lifestyle and dietary habits. On the accomplishment of the study, correlation and association between bone mineral density and nutritional risk factors (carbonated beverages, tea, calcium supplements, milk/dairy products, green leafy vegetables, meat products, legumes & cereal consumption) and non-nutritional risk factors (socioeconomic status, gender, age, BMI, physical activity, education, smoking & chronic maladies) were assessed. The results of study revealed that several modifiable and non-modifiable risk factors were associated in the development of osteoporosis. According to research findings, people are moving towards the sedentary lifestyle and calcium-enriched diets are not commonly consumed. However, the trend of carbonated beverage consumption has replaced the traditional use of dairy products; consequently, osteoporosis is becoming more prevalent. Observations also revealed that low socioeconomic status are also contributing in the prevalence of osteoporosis.

Production Possibilities in Catchment Areas under Dharabi Dam in Chakwal (Paperback): Muhammad Aamir Khan Production Possibilities in Catchment Areas under Dharabi Dam in Chakwal (Paperback)
Muhammad Aamir Khan
R1,487 R1,401 Discovery Miles 14 010 Save R86 (6%) Ships in 10 - 15 working days

Master's Thesis from the year 2008 in the subject Agrarian Studies, grade: A, Pir Mehr Ali Shah Arid Agriculture University Rawalpindi (UAAR), course: MSc (Hons) Agri.Economics, language: English, abstract: Water is a limiting factor for sustainable agriculture in Barani (Arid). However, rainfall is the only source of water the spatial and temporal variation of which is very high. Therefore conservation and management of this source is vital for agriculture development and socio-economic uplift of the area. This study was, mainly, devised to address land distribution problems and consequent farm productivity in the study area. Furthermore, level of land distribution disparities was focused on to observe its relationship with different on-farm and socio-economic indicators including gross margins, cropping intensity crop diversity, income distribution disparities and institutional credit availability etc. All of the aforesaid indicators were also assessed for small, medium and large farm size categories. The farmers were divided into two main categories irrigated and rainfed farmers. Land was observed evenly distributed in irrigated area while land distribution was found most skewed in rainfed area. The performance of most of the indicators i.e. yield, gross margins, farm income, labour productivity, income distribution, cropping intensity and crop diversity was found better in irrigated as compared to rainfed. While marginal factor productivity, irrigation productivity and rate of institutional credit availability was higher in irrigated area. However, rainfed area was always least efficient with respect to all of the quantified indicators. The findings of the research are helpful for the farmers of the study area in decision making among different farm enterprises. Hence it can alleviate poverty and help to bring food security in the deprived regions.

Genotype x Year Interaction and Heratibility in Mungbean (Paperback): Muhammad Aamir, Iftikhar Hussain Khalil, Ayub Khan Genotype x Year Interaction and Heratibility in Mungbean (Paperback)
Muhammad Aamir, Iftikhar Hussain Khalil, Ayub Khan
R1,283 Discovery Miles 12 830 Ships in 10 - 15 working days

Pakistan being an agricultural country is facing shortage of pulses. Major pulses grown in Pakistan include desi chickpeas (gram), lentils (masur), mung beans, black matpe (mash beans), and dry peas whole (matter). Other pulses include kabuli chickpeas, and kidney beans. The indigenous production doesn't meet the pulses requirement of the country. Imports account for about 37% of Pakistan's total consumption of pulses. In 2010, imports of pulses totaled 445,000 tons, valued at $262 million compared to 280,000 tons in fiscal year 2009, valued at $236 million. The situation is further aggravated due to the mushrooming growth in population and inflation rate. This gigantic drain on our hard-earned foreign exchange resources is a great challenge for agricultural scientists and all allied stalk holders. Among the pulses crops, mung bean emerged a potential pulses crop that can minimize the gap between production and consumption. The book in hand can furnish useful information for agriculture scientists and growers.

Grasses and Grassland - New Perspectives (Hardcover): Muhammad Aamir Iqbal Grasses and Grassland - New Perspectives (Hardcover)
Muhammad Aamir Iqbal
R3,122 R2,878 Discovery Miles 28 780 Save R244 (8%) Ships in 10 - 15 working days
Photo Acoustic and Optical Coherence Tomography Imaging, Volume 3 - Angiography: an application in vessel imaging (Hardcover):... Photo Acoustic and Optical Coherence Tomography Imaging, Volume 3 - Angiography: an application in vessel imaging (Hardcover)
Ayman El-Baz, Jasjit Suri; Contributions by Hashim Ali Khan, Muhammad Aamir Shahzad, Muhammad Amer Awan, …
R5,051 Discovery Miles 50 510 Ships in 10 - 15 working days
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