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SEOMOZ

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What is Chiller

A chiller is a machine that removes heat from a liquid coolant via a vapor-compression, adsorption refrigeration, or absorption refrigeration cycle. Chilling water can be used in heat exchangers to transfer the heat from process fluids, which improves the efficiency of various systems.

A chiller is a machine that removes heat from liquid. It uses one of three methods: vapor compression, adsorption refrigeration or absorption refrigeration to accomplish this. Chilling can be used to produce cold water or refrigerant-grade chilled water, depending on the design of the machine.

A chiller is a machine that removes heat from a liquid coolant via an evaporation-condensation refrigeration cycle. Chilled water (usually a mixture of water and ethylene glycol) is circulated through the building's air conditioning system or directly to heat-producing machines, such as servers and chillers.

Chiller is a cooling machine that removes heat from the carrier liquid via vapor compression, absorption or adsorption refrigeration cycle. A chiller consists of heat exchanger that extracts heat from the process medium, compressor that compresses the refrigerant gas for further cooling and expansion valve for releasing gas into atmosphere when system condenses after absorbing heat from process medium.

Chilling units remove heat from the coolant to either air or liquid. They can use chilled water as the heat transfer medium, or they can be used in freeze protection applications where there is no need for heating and ice forming is not an issue. Cooling towers are shell and tube heat exchangers with a long coil inside a tank filled with water that evaporates in part because of the heat put into the water by chiller and then condenses on the surface area of the coil itself. Air wet cooling towers work by having cool water spray over air which passes through an air receiver at the bottom of tower, thus decreasing its temperature, which then goes up through openings in top of tower.

Chillers are a large piece of machinery designed to cool down liquids. They are a necessary component in any refrigeration system and can be found in large scale commercial installations, or small scale residential units.

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چیلر آب خنک

سیستم های چیلر آب خنک دارای برج خنک کننده هستند، بنابراین راندمان بالاتری نسبت به چیلرهای هوا خنک دارند. چیلرهای آب خنک کارآمدتر هستند زیرا بسته به دمای حباب دمای محیط که کمتر از دمای حباب خشک محیط است متراکم می شوند. هر چه یک چیلر کندانس کمتری داشته باشد، کارایی آن بیشتر است. این سیستم دارای چندین جزء ضروری از جمله:

  • برج های خنک کننده
  • پمپ آب کندانسور
  • پمپ آب آرایشی
  • چیلرها
  • مخازن TES

شرکت چیلر کریر Carrier یکی از بزرگترین تولید کنندگان تجهیزات تهویه مطبوع و تاسیسات سرمایشی و گرمایشی در دنیا است. محصولات این شرکت شامل، چیلر، مینی چیلر، فن کویل، داکت اسپلیت، هواساز، روفتاپ پکیج و سیستم وی آر اف VRF است. شرکت کریر دارای 54000 کارمند و نمایندگی های زیادی در سرتارسر دنیا است. مقر اصلی این شرکت در فلوریدا آمریکا است.

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digital asset

A cryptocurrency is a digital asset designed to work as a medium of exchange using cryptography to secure the transactions, to control the creation of additional units, and to verify the transfer of assets. Cryptocurrency is a kind of digital currency, virtual currency or alternative currency. Cryptocurrency made the leap in popularity in early 2010.

A cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange using cryptography to secure the transactions and to control the creation of additional units of the currency. The name is derived from the fact that transactions are signed digitally with cryptography, making it extremely secure and very hard to forge. In cryptography, a cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange using cryptography to secure the transactions and to control the creation of additional units of the currency.

Cryptocurrency is a digital currency transferred between peers and confirmed in a public ledger via a process known as mining. Unlike fiat currency issued by central banks, cryptocurrency does not rely on government enforcement to make it valid. The decentralized nature of cryptocurrency allows its users to make secure purchases without third party clearing houses. A skilled programmer or team of programmers can create their own tokens on the cryptocurrency platform.

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مزایای بوستر پمپ

  • بوستر پمپ ها به دلیل عملکرد چند پمپ در کنار یکدیگر، فشار آب بالا و ثابتی را در سیستم آبرسانی ایجاد می کنند؛
  • به دلیل فعالیت نوبتی پمپ ها، استهلاک تجهیزات پمپ و موتور ها در بوستر پمپ آبرسانی کاهش می یابد؛
  • در صورت سرویس، تعمیر یا حتی ایجاد اشکال در عملکرد یک پمپ، بقیه پمپ ها می توانند بی وقفه به فعالیت خود ادامه دهند؛
  • پکیج بوستر پمپ شامل پمپ، الکتروموتور،منبع دیافراگمی، تابلو برق می باشد که بهترین گزینه برای آپارتمان های بلند است؛

از سوی دیگر به همان نسبت که استفاده از بوستر پمپ باعث کاهش در مصرف انرژی، هزینه کمتر تعمیر و نگهداری آن می شود، انتخاب غیر کارشناسی و عدم توجه به استاندارد های لازم در این بخش باعث مصرف انرژی بیشتر، هزینه بیشتر نگهداری و تعمیرات، اتلاف وقت و عدم رضایت مصرف کنندگان می شود.

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برندهای چیلر

 چیلر یکی از تجهیزات تهویه مطبوع است که در حال حاضر بسیار محبوب شده است. در اینجا لیست بهترین برندهای سازنده چیار در جهان را می توانید ببینید:

http://www.york-ir.ir/

 

http://www.hitachi-ir.ir/

 

http://www.carrier-ir.ir/

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Cryptocurrency investment

A Cryptocurrency (or crypto currency) is a digital asset designed not to require the backing of a physical good like gold and silver, but to be self-sustaining and self-regulating. A cryptocurrency is a part of blockchain technology, a decentralized ledger of all cryptocurrency transactions that have ever been executed. To pay someone in cryptocurrencies you need to access their public key and sign your transaction with it.

A cryptocurrency is a form of digital asset or currency that uses cryptography, the process of converting legible information into an almost uncrackable code, to track purchases and transfers. Protected by strong cryptography, there is no central authority for a cryptocurrency like Bitcoin and no single point of failure. Most cryptocurrencies are decentralized and exist on distributed ledgers.

When the novelty of Bitcoin wears off for the average person, the value proposition is going to be too difficult to understand in order to get them to participate. That is when a market for cryptocurrencies will emerge, which will be driven mostly by investment services and applications built on top of it. The concept of a cryptocurrency has existed since the 1980s, but actual implementation wasn't really feasible until computers and networks became more powerful. Most cryptocurrencies today use blockchain technology similar to what Bitcoin uses (although they all have different ledgers), there are also many projects trying to improve on the original idea.

Cryptocurrencies are used to pay for goods and services and exchange for other currencies. They use cryptography to secure their systems and verify transactions. You can hold cryptocurrency units as an investment or receive them for online purchases.

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Education is future

We believe an education is a process, ongoing and ever-changing. Every day, families across the country are making decisions about their children's future – where they're going to go, who they're going to be with, and what they're going to be doing. We realize that, over time, your child could be in any number of schools or programs – public, private and everything in between. And we want to be there for them at every turn. A task force convened by the education secretary has concluded that there is a “compelling case” for expanding career and technical education to all high school graduates, but it stopped short of endorsing a controversial proposal to require students to pursue at least one year of postsecondary training or lose access to subsidized loans.

Education is the method through which society propagates its culture's beliefs and ideals, often involving the transmission of knowledge from one generation to another. Education sometimes includes formal or informal instruction (e.g., preschool, primary school, secondary school, further education, higher education), sometimes of basic skills and general knowledge, but it often involves training for a particular profession or occupation. Education can focus on intellectual, moral, physical, artistic and social aspects. Education is the process of facilitating learning, building, acquiring knowledge to progress academically, professionally, and socially. Serving the entire state of Indiana. Education is the most basic of skills; it allows us to better adapt to our environment and successfully deploy the fundamental knowledge we have acquired. Your adventure begins with an education at one of these top ten schools. Education is the process of acquiring knowledge, skills, and values through instruction, usually undertaken for personal development or a career goal.

 

The term education is most often used to describe the formal, systematic process at an institution of learning, although any effort to acquire more knowledge can be called education. The term training may also refer to this general concept, but it often has connotations of trainability, behavior, and performance. One form of education is known as instruction. In this context, one stands out for its methodology: that is, education should be written in a way that is so simple that it can easily be conveyed through the available media to the target audience. Education, the systematic instruction of youth in the knowledge, values, and skills deemed necessary to their station in life. The term covers all levels of instruction beginning with a  preschool education to the secondary, university, and postgraduate level. Education is the pivotal point where society and the individual intersect.

 

The teachers will be able to understand those things, the students are not receiving from home that they need to know. It's important for children to receive education from someone who truly is concerned about them. Big world, big possibilities. Every day, educators around the globe are helping to inspire a lifelong love of learning and unlock the potential of their students. A broad range of solutions at varying levels of the education sector makes us a partner you can trust. Learn more about our award-winning portfolio today.

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زبان کره‌ای زبان بیش از 75 میلیون نفر است، از میان این 75 میلیون نفر 48 میلیون نفر در کره جنوبی و 24 میلیون نفر در کره شمالی زندگی می‌کنند. بیش از دو میلیون نفر در چین و 500 هزار نفر در ژاپن به زبان کره ای صحبت می‌کنند. کره‌ای زبان رسمی دو کشور کره جنوبی و کره شمالی است که در موارد جزئی مانند املا و حروف الفبا با هم تفاوت دارند اما هر دو زبان از استاندارهای یکپارچه‌ای استفاده می‌کنند.

دلایل زیادی برای یادگیری زبان کره‌ای وجود دارد در قدم اول آموزش خصوصی زبان کره‌ای این امکان را می‌دهد تا با فرهنگ غنی کره از موسیقی تا فیلم آشنا شوید. امروزه کره با رشد اقتصادی به یک قطب عالی برای سرمایه‌گذاری تبدیل شده است به همین دلیل آموزش زبان کره ای به چشم‌انداز کاری و آینده شغلی کمک می‌کند.

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