Libsan | لایب سان

موضوعات

آموزش و پرورش ادبیات و زبان پزشکی، دندانپزشکی و داروسازی تاریخ و جغرافیا داستان و رمان دیگر دین و فلسفه روانشناسی ریاضیات و آمار سلامتی، تناسب اندام و رژیم غذایی شیمی و پلیمر علوم اجتماعی و حقوق علوم زیستی و بیوتکنولوژی فیزیک و نجوم کامپیوتر و اینترنت کتابهای کودکان و داستان کسب و کار و اقتصاد کشاورزی و دامپزشکی و غذا معماری مهندسی و فناوری هنر و تئاتر

محصولات

The Solar Home: How to Design and Build a House You Heat With the Sun (How-To Guides) - PDF

نویسندگان: Mark Freeman خلاصه: I am a first-time DIY owner-builder, presently in the early planning stages of my house project. I picked this book up at Borders as my first book on homebuilding, and was glad that I did. It was a quick and easy read, and its friendly, informal, confident style makes the first-time homebuilder feel that perhaps doing it yourself is not so daunting a task after all. The book contains enough detailed explanations and drawings to give one a feel for what kind of work is involved in all the various stages of a typical passive solar homebuilding project, while remaining brief enough as to not be too intimidating. However, I agree with the previous reviewer that this is only a snapshot of one particlular way of building an energy-efficient house, and many alternatives are not covered, for example, alternative insulating wall materials such as straw bales or SIPS board. Also, the book is biased towards construction in far-north climates and does not extensively address the needs of warmer regions where keeping the house cool may often be a bigger concern than keeping it warm. Also, the authors seem overly obsessed with putting up completely airtight vapor barriers on their interior wall surfaces; they themselves describe high interior humidity problems that they had as a result. And personally, I would not want to live inside an airtight plastic bubble! It is my understanding from talking to architect friends that you want water vapor to be able to get out of your house, while preventing moisture from coming in, via selective membrane type sheathing materials such as Tyvek. Other sources I've read (e.g. straw bale books) seem to agree that it is possible for a wall to allow water vapor to pass through relatively freely while still retaining a good insulation value. But, aside from those qualifications, I found this book to be a reasonably good, gentle introduction to what's involved in DIY passive solar homebuilding, at least for wood-frame homes of a certain typical style.

Dealing with Statistics: What you need to know - Original PDF

نویسندگان: Reva Berman Brown, Mark Saunders خلاصه: ‘This is a highly accessible, yet an adequately sophisticated text, which can be enjoyed by students across the skills spectrum. I am confident that it will help students who suffer from maths phobia as it offers to teach statistics with anxiety-busting clarity. The book benefits from easy to follow demonstrations and illustrations of statistical methods and techniques, which are highly relevant for business and management research at the undergraduate and masters level courses.’ Professor Mustafa F. Ozbilgin, University of East Anglia, UK Are you confused about which statistical tests to use, when you should be using them and why you should be using them? This book is about helping you to choose and use the right statistical technique to analyse your data and write about your results and findings convincingly. It provides a concise and accessible guide to the essential statistical skills needed for success in your assignment, project or dissertation. Berman Brown and Saunders concentrate on particular statistical tests and their three Ws – what, why, and when. They provide you with the tools to choose the graphs and statistics that are suitable for your data, and to understand what the statistical results actually mean. In addition, the book: Explains why it is impossible to avoid using statistics in analysing data Describes the language of statistics to make it easier to understand the various terms used for statistical techniques Deals with using tables and charts to present data so that they are easy to understand Explains the statistics used to describe data used to infer differences and relationships. The book also includes a handy alphabet of statistics as well as a glossary of key statistical terms.

Network Warrior: Everything you need to know that wasn't on the CCNA exam - PDF

نویسندگان: Gary A. Donahue خلاصه: Written by networking veteran with 20 years of experience, Network Warrior provides a thorough and practical introduction to the entire network infrastructure, from cabling to the routers. What you need to learn to pass a Cisco certification exam such as CCNA and what you need to know to survive in the real world are two very different things. The strategies that this book offers weren

ARTIFICIAL INSEMINATION IN FARM ANIMALS - Original PDF

نویسندگان: Milad Manafi خلاصه: Artificial insemination is used instead of natural mating for reproduction purposes and its chief priority is that the desirable characteristics of a bull or other male livestock animal can be passed on more quickly and to more progeny than if that animal is mated with females in a natural fashion. This book contains under one cover 16 chapters of concise, up-to-date information on artificial insemination in buffalos, ewes, pigs, swine, sheep, goats, pigs and dogs. Cryopreservation effect on sperm quality and fertility, new method and diagnostic test in semen analysis, management factors affecting fertility after cervical insemination, factors of non-infectious nature affecting the fertility, fatty acids effects on reproductive performance of ruminants, particularities of bovine artificial insemination, sperm preparation techniques and reproductive endocrinology diseases are described. This book will explain the advantages and disadvantages of using AI, the various methodologies used in different species, and how AI can be used to improve reproductive efficiency in farm animals.

OFFICIAL METHODS OF ANALYSIS OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS THIRTEENTH EDITION, 1980 - Original PDF

نویسندگان: WILLIAM HORWITZ, Editor خلاصه: Legally Binding Document By the Authority Vested By Part 5 of the United States Code § 552(a) and Part 1 of the Code of Regulations § 51 the attached document has been duly INCORPORATED BY REFERENCE and shall be considered legally binding upon all citizens and residents of the United States of America. HEED THIS NOTICE: Criminal penalties may apply for noncompliance.

Handbook of Research on Innovative Management Using AI in Industry 5.0 (Advances in Logistics, Operations, and Management Science)[2021] - Original PDF

نویسندگان: Garg, Vikas, Goel, Richa خلاصه: Handbook of Research on Innovative Management Using AI in Industry 5.0 (Advances in Logistics, Operations, and Management Science) by Vikas Garg (Editor), Richa Goel (Editor)

Institutions and Economic Development - Original PDF

نویسندگان: Bryan Cheang · Tom G. Palmer خلاصه: Arguably, the most important question in Economics and probably in social sci- ence is ‘why are some nations rich, and others poor?’ Not only is this an interesting theoretical question, it has practical relevance to human living. According to the World Bank, 9.4% of the global population are still living below the poverty line of US$1.90-a-day (The World Bank, 2020). Understanding the factors that con- tribute to a nation’s economic development will help clarify the path forward for development policymaking. This Companion will explore the phenomenon of economic development and review the leading theories explaining why it is present in some nations and absent in others. Such a task will necessarily require one to be selective, as development studies is a complex field involving various disciplines with no easy answers. Even today, development economists debate the causes of development and how to foster it in poor nations, if at all possible. Before diving into development theories, however, this chapter will first define some basic concepts and establish general facts. The subsequent sections will pin down the concept of ‘economic development’ and provide factual information about changes in living standards over time. We show that a real and sustained improvement in living standards has indeed occurred—called the ‘Great Enrich- ment’ which started in the late eighteenth century onwards. Accordingly, we explore the deep determinants of this development and focus on the rules and values in society which have facilitated this improvement in living standard

Economic Development and the Environmental Ecosystem The Role of Energy Policy in Economic Growth - Original PDF

نویسندگان: Hasan Dincer • Serhat Yüksel خلاصه: The energy needed since the first day of human history is necessary for many things that are still used today to function. Energy is one of the main factors affecting the economies of all countries of the world (Martínez et al., 2022; Sun et al., 2022). With the increasing world population, the need for energy is also increasing (Kafka et al., 2022; Mukhtarov et al., 2022). Therefore, energy consumption tends to increase day by day. However, the energy supply is limited. This situation reveals the importance of the need for energy (Hong et al., 2020). Energy has various forms. The history of humanity has started to use energy with muscle power. Subsequently, heat energy was discovered (Dong et al., 2022; Dinçer et al., 2022a, 2022b, 2022c). Later, energy types such as coal, oil, and natural gas, which are expressed as underground resources, were discovered. With the industrial revolution, energy use has been moved to a different dimension (Zhang et al., 2022; Yüksel & Dinçer, 2022). With the industrial revolution and the introduction of oil and electricity into human life, energy consumption has increased a lot (Gielen et al., 2019). Energy is one of the most important elements that humanity needs. If the use of energy had not been developed at this level, many works would have to be done with manpower (Carayannis et al., 2022; Li et al., 2022a, 2022b; Yüksel et al., 2022a,

GCC Hydrocarbon Economies and COVID - Original PDF

نویسندگان: Nikolay Kozhanov · Karen Young · Jalal Qanas خلاصه: 13 2.1 introduction The outbreak of the Covid-19 epidemic and the resulting economic downturn have undermined the already weakened position of the global oil and gas industry. Since the transportation sector depends on 60 per- cent of energy from oil consumption, movement constraints were quickly interpreted into reduced oil demand. Consequently, various crude oil indices reached their lowest level by mid-2020, when the daily global oil consumption declined to less than 75 million barrels, compared to some 100 million barrels earlier that year, before recovering afterward. The demand for natural gas has also fallen sharply due to widespread quarantine in various parts of the world, especially China, India, and

Quick Guide Crypto Assets - Original PDF

نویسندگان: Hannah Appel خلاصه: No universally accepted definition of the term crypto asset exists. • Although the terms crypto asset and crypto token are often used inter- changeably, it is important to distinguish between them. • In practice, crypto tokens are divided into three main categories due to their diverse design options. • The technical basis for most currently known crypto assets is distributed ledger technology. The most prominent form of this is the blockchain. • The crypto market is bustling with various market players similar to tra- ditional financial market participants. • Despite the many positive potentials of crypto assets, existing risks must not be disregarde

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