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wyszukanych pozycji: 26
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Welding Simulations for Pipe Flange Joints
ISBN: 9783639218626 / Angielski / Miękka / 2009 / 200 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Use of bolted flanged pipe joints is very common in petrochemical, nuclear and process industry. Welding of pipe to flange results in residual stress built up and distortions which provide negative effects on the structural integrity and sealing capability of the pipe-flange joint. The effects include stress corrosion cracking, brittle fracture, reduced fatigue and creep strengths, poor sealing performance and reduced buckling strength etc. This book presents methodology to investigate the extent and distribution of residual stress built up and distortions in the welded pipe-flange joints...
Use of bolted flanged pipe joints is very common in petrochemical, nuclear and process industry. Welding of pipe to flange results in residual stress ...
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cena:
310,59 zł |
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Microelectronics Fabrication by Self Assembly of Nanoparticles
ISBN: 9783639325263 / Angielski / Miękka / 2011 / 104 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Self organization is a natural way of arranging the things. All the forces in nature have a tendency to arrange the things in a well patterned and ordered way. The devices fabricated by self organization of nanoparticles show very interesting electrical and optical characteristics which can be controlled by precisely changing the structure of layer stacks and properties of the materials used. In this book the multilayer devices fabricated by layer-by-layer self assembly process using colloidal Au(~20nm) and ZnS(~30nm) nanoparticles are discussed. A remarkable improvement in the...
Self organization is a natural way of arranging the things. All the forces in nature have a tendency to arrange the things in a well patterned and o...
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cena:
223,81 zł |
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Comparative Research on Educational Policy Responses to the COVID-19 Pandemic: Eastern vs. Western Perspectives
ISBN: 9781668436004 / Angielski / Twarda / 2022 / 335 str. Termin realizacji zamówienia: ok. 13-18 dni roboczych. |
cena:
1237,02 zł |
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Comparative Research on Educational Policy Responses to the COVID-19 Pandemic: Eastern vs. Western Perspectives
ISBN: 9781668436011 / Angielski / Miękka / 2022 / 335 str. Termin realizacji zamówienia: ok. 13-18 dni roboczych. |
cena:
949,34 zł |
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Design Optimization and Analysis Techniques : Product Optimization using FEA and Manufacturing Techniques
ISBN: 9783639197334 / Angielski / Miękka / 2009 / 176 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Optimization is the act of obtaining the best result under given circumstances. In design, construction, and maintenance of any engineering system, engineers have to take many technological and managerial decisions at every stage. The ultimate goal of all such decisions is either to minimize the efforts required or to maximize the desired benefit. Effort required or the benefit desired in any practical situation can be expressed as a function of certain decision variables. This book therefore provides the ground rules in understanding the techniques and methodologies, complete with case...
Optimization is the act of obtaining the best result under given circumstances. In design, construction, and maintenance of any engineering system, en...
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cena:
310,59 zł |
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Organic Semiconductor Electromechanical Sensors
ISBN: 9783639330038 / Angielski / Miękka / 2011 / 88 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Semiconductor electromechanical sensors are used widely in industry, space technology, environmental monitoring and assessment and many other applications. Therefore, organic semiconductor materials based devices have been the subject of intense investigation in the past few years due to their low cost, simplicity of devices fabrication, and interesting electrical and optical properties. This book is compiled in collaboration by the Tajikistan and Pakistani scientists based on the result of research of organic semiconductors, properties of conductors and devices that are described in order to...
Semiconductor electromechanical sensors are used widely in industry, space technology, environmental monitoring and assessment and many other applicat...
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cena:
223,81 zł |
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Micro-Hydropower Systems
ISBN: 9783639233360 / Angielski / Miękka / 2010 / 120 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. This book is devoted to small hydropower systems of capacity ranging from hundred watts to hundred kilo watts and is named as micro-hydropower systems. Micro-hydropower systems contain a number of devices including turbines, generators, voltage converters/inverters, voltage and frequency regulators etc used for the conversion of hydropower into electricity of standard voltage and frequency. Development and implementation of micro-hydropower systems is possible in many countries that have some hydropower resources. Micro-hydropower systems would be very useful especially in mountain...
This book is devoted to small hydropower systems of capacity ranging from hundred watts to hundred kilo watts and is named as micro-hydropower syste...
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cena:
223,81 zł |
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Water and Sediment Flow Simulations for Tarbela Reservoir and Tunnels
ISBN: 9783639341836 / Angielski / Miękka / 2011 / 132 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Tarbela dam is one of the largest earth filled dam in the world used for power generation and irrigation purposes. Like all reservoirs the sediments inflow in the Tarbela reservoir has also resulted in reduction in water storage capacity and is also causing damage to the tunnels, the power generating units and ultimately to the plant equipment. This book is a starting effort in the modeling, simulation and analysis of Tarbela Dam infrastructure. Detailed simulation results highlight the critical areas for damage and ultimately the life prediction of the reservoir in terms of its...
Tarbela dam is one of the largest earth filled dam in the world used for power generation and irrigation purposes. Like all reservoirs the sediment...
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cena:
269,48 zł |
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Analysis Of Randomized Response Models Using Different Techniques
ISBN: 9783846508350 / Angielski / Miękka / 2012 / 96 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Sample surveys on human populations have established the fact that refusal to respond and intended giving of incorrect answers are two main sources of non-sampling error. The bias produced by these two sources of error is sometimes large enough to make the sample estimates seriously misleading. This problem becomes more serious when respondents are questioned about sensitive matters. A procedure was introduced by Warner (1965) to diminish bias due to deliberately misleading responses. This procedure enables the respondents to provide truthful information while protecting their privacy. We...
Sample surveys on human populations have established the fact that refusal to respond and intended giving of incorrect answers are two main sources of...
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cena:
223,81 zł |
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Uni-soft Ideals of AG-groupoids
ISBN: 9783330037335 / Angielski / Miękka / 2017 / 68 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
163,98 zł |
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Trade of Coral
ISBN: 9786208118068 / Angielski / Miękka / 2024 / 84 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Coral reefs in Pakistan are mainly distributed in the northeastern part of the Arabian Sea. Pakistan's coast is home to several coral reefs, particularly at Gwadar, Churna Island, Ormara, Astola Island, and Jiwani. Unfortunately, the biodiversity of coral reefs along the Pakistan coast is declining due to human activities. Some Pakistani coral species collected by divers are sold in local aquarium markets and used for decoration, beautifying aquariums, jewelry, and even in medicine. A recent report highlights the sale of corals near the coastal area of Karachi and in aquarium markets in the...
Coral reefs in Pakistan are mainly distributed in the northeastern part of the Arabian Sea. Pakistan's coast is home to several coral reefs, particula...
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cena:
200,52 zł |
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Color Card Game
ISBN: 9783330349780 / Angielski / Miękka / 2017 / 56 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
163,98 zł |
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Micro-Algae as Feed Supplement for Broiler Chicks
ISBN: 9783848446674 / Angielski / Miękka / 2012 / 144 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
269,48 zł |
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Effect of Citrullus Lanatus Juice on Blood Cells and Liver Function
ISBN: 9786202524049 / Angielski / Miękka / 2020 / 52 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
182,25 zł |
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Economics of Renewable Energy
ISBN: 9783846597842 / Angielski / Miękka / 2012 / 100 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. This book is compiled jointly by the Tajikistan and Pakistani scientists based on the result of research and various designs of photovoltaics, wind-power systems, biogas digestors and micro-hydropower systems. The economics of these renewable energy installations that are widespread in different countries in the world for the last decade are described and highlighted. Authors believe that this book will provide understanding of the basic points of the economics of the renewable energy installations and will be a useful source for students, researchers and professionals. In particular, in...
This book is compiled jointly by the Tajikistan and Pakistani scientists based on the result of research and various designs of photovoltaics, wind-po...
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cena:
223,81 zł |
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Rice Physiology and Productivity
ISBN: 9783639339154 / Angielski / Miękka / 2011 / 144 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Rice is sensitive to moisture stress and in view of the water scarcity in the coming years, it is imperative to evaluate the performance of rice cultivars under moisture deficit conditions particularly at critical stages like panicle initiation and soft dough stage. This book highlights drought induced changes in endogenous level of plant hormones, sugar and protein contents in leaves and grains along with other physiological parameters such as stomatal resistance. The studies also revealed that ABA treatments could ameliorate the adverse effects of drought stress for most of the...
Rice is sensitive to moisture stress and in view of the water scarcity in the coming years, it is imperative to evaluate the performance of rice culti...
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cena:
269,48 zł |
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Electricity Consumption and Economic Growth
ISBN: 9783659233272 / Angielski / Miękka / 2012 / 72 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. The book examines Granger causality between electricity consumption and nominal Gross Domestic Product (GDP) for Pakistan using annual data covering the period 1971-72 to 2007-08. Augmented Dickey-Fuller test reveals that both the series, after logarithmic transformation, are non-stationary and individually integrated of order one. The authors find absence of long-run equilibrium relationship among the variables but there exists a unidirectional Granger causality running from economic growth to electricity consumption without any feedback effect. So, the energy conservation policies can be...
The book examines Granger causality between electricity consumption and nominal Gross Domestic Product (GDP) for Pakistan using annual data covering t...
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cena:
223,81 zł |
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Antiviral properties of medicinal plants against PPR and FMD viruses
ISBN: 9783846510100 / Angielski / Miękka / 124 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. The antiviral activity of plants Silybum marianum (seeds), Chenopodium album (whole plant) and Nigella sativa (seeds) were evaluated against Peste des petitis ruminants virus (PPRV) and Foot and Mouth Disease virus (FMDV) in this study. Methanolic extraction of these plants was done by using Soxhlet apparatus and extracts were dried by using rotary evaporator. Vero cells were infected by PPRV and BHK-21 by FMDV respectively. The herbal extracts assays of antiviral and cytotoxic were carried out in cell culture plates. MTT [3-(4,5-dimethylthiazol 2-yl)-2,5-diphenyltetrazolium bromide]...
The antiviral activity of plants Silybum marianum (seeds), Chenopodium album (whole plant) and Nigella sativa (seeds) were evaluated against Peste des...
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cena:
269,48 zł |
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Traitement de la luxation congénitale de la hanche : Par technique de ténotomie du psoas, des adducteurs et plâtre
ISBN: 9786139518579 / Francuski Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
250,76 zł |
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Emerging Trends in and Strategies for Industry 4.0 During and Beyond Covid-19
ISBN: 9788366675384 / Angielski / Twarda / 2021 / 167 str. Termin realizacji zamówienia: ok. 22 dni roboczych. |
cena:
134,30 zł |
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