Keep control

Xem 1-20 trên 96 kết quả Keep control
  • Process plants consist of hundreds, or even thousands, of control loops all networked together to produce a product to be offered for sale. Each of these control loops is designed to keep some important process variable such as pressure, flow, level, temperature, etc. within a required operating range to ensure the quality of the end product. Each of these loops receives and internally creates disturbances that detrimentally affect the process variable, and interaction from other loops in the network provides disturbances that influence the process variable....

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  • The perennially bestselling third edition of Norman A. Anderson's Instrumentation for Process Measurement and Control provides an outstanding and practical reference for both students and practitioners. It introduces the fields of process measurement and feedback control and bridges the gap between basic technology and more sophisticated systems. Keeping mathematics to a minimum, the material meets the needs of the instrumentation engineer or technician who must learn how equipment operates.

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  • Pragmatic Version Control Using Git is an excellent guide to getting you started with Git. It will teach you not only how to get yourself started but also how to cooperate with others and how to keep your history clean. Pieter de Bie Author, GitX If you are thinking of using Git, I highly recommend this book. If you are not using a version control system

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  • The Need for Application Control The wide adoption of social media and Web 2.0 applications changes the way people use the Internet. More than ever, businesses struggle to keep up with security challenges. The use of internet applications comes with problems that administrators must know about: UserCheck CLI Malware threats - Application use can open networks to threats from malware. Popular applications like Twitter, Facebook, and YouTube can cause users to download viruses unintentionally. File sharing can easily cause malware to be downloaded into your network.

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  • This British Standard is the official English language version of EN 13253:2000. The UK participation in its preparation was entrusted to Technical Committee B/553, Geomembranes and geotextiles, which has the responsibility to: Ð aid enquirers to understand the text; Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; Ð monitor related international and European developments and promulgate them in the UK....

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  • Lots of users and privileges scattered over many platforms and applications. Who are the valid users? What are they entitled to access? How do you keep access rights up-to-date? How do you specify and enforce policy?

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  • After modeling and analyzing the system, this paper suggests a new control method using an online learning neural network in closed-loop to control the Pan-Tilt platform that moves the Camera to keep tracking an unknown moving object.

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  • Using methods of solarization, bio fumigation, burning and keep drying soil control root knot nematodes on lettuces, in Lam Dong. Root-knot nematodes (Meloidogyne sp.) are an important plant – parasitc group on green lollo lettuce. Experiments, included solarizion, bio-fumigation, burning and keep drying soil were carried out to control root-knot nematades on lettuces in Lamdong p rovince.

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  • Programmable Logic Controller. PRead this manual carefully before installing, wiring, operating, servicing or inspecting this equipment. e Keep this manual within easy reach for quick reference.The different programming languages ​​support different styles of programming (called programming methods). Part of the programming task is the selection of one of the most suitable language to solve problems. The different programming languages ​​require the programmer to handle the details at different levels of installed algorithms.

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  • “The highest-performing people I know are those who have installed the best tricks in their lives.”—David Allen, productivity guru 1 Contrary to the popular misuse of the term to denote a computer criminal, a hacker is someone who solves a problem in a clever or non-obvious way. A lifehacker uses workarounds and shortcuts to overcome everyday difficulties of the modern worker: an interrupt-driven existence of too much to do and too many distractions to keep you from doing it.

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  • The only difference between a company and your personal accounting is the amount of money and the number of transactions involved. With your personal accountancy you can manage to keep track of the money transactions in your head. In a company you need to put it on paper. Otherwise you will lose track of the transactions within a week.

    pdf0p vigro23 29-08-2012 46 18   Download

  • This book is not about corrosion; rather it is about paints that prevent corrosion. It was written for those who must protect structural steel from rusting by using anticorrosion paints. The philosophy of this book is this: if one knows enough about paint, one need not be an expert on rust. In keeping with that spirit, the book endeavors to cover the field of heavy-duty anticorrosion coatings without a single anode or cathode equation explaining the corrosion process.

    pdf30p hiruscar 13-10-2010 42 14   Download

  • This volume on Polyolefins and Styrenics is the first part of a four- part set on Handbook of Engineering and Specialty Thermoplastics. The other three parts, to be published in late 2010 and 2011, are on Poly- ethers and Polyesters; Nylons; Water Soluble Polymers. The aim of the Handbook is to keep the practitioner abreast of the recent devel- opments in these subfields as well as to equip the advanced student with up-to-date knowledge as he/she enters the industrial arena.

    pdf401p layon_5 30-03-2013 47 10   Download

  • HAVE YOU EVER LIFTED UP A BOARD that has been lying on a lawn for a few weeks and noticed that the grass growing underneath was much paler and spindlier than the surrounding grass? The reason this happens is that the board is opaque, keeping the underlying grass in darkness. Seedlings grown in the dark have a pale, unusually tall and spindly appearance. This form of growth, known as etiolated growth, is dramatically different from the stockier, green appearance of seedlings grown in the light (Figure 17.1). Given the key role of photosynthesis in plant metabolism, one might be tempted...

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  • MOST PEOPLE LOOK FORWARD to the spring season and the profusion of flowers it brings. Many vacationers carefully time their travels to coincide with specific blooming seasons: Citrus along Blossom Trail in southern California, tulips in Holland. In Washington, D.C., and throughout Japan, the cherry blossoms are received with spirited ceremonies. As spring progresses into summer, summer into fall, and fall into winter, wildflowers bloom at their appointed times.

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  • In traditional UNIX, information about users was kept in the file /etc/passwd. As the name suggests, it included the passwords, which were stored in encrypted form. Any user could read this file, but the encryption was strong enough that it wasn’t practical to decrypt the passwords. Nowadays processors are much faster, and it’s too easy to crack a password. As a result, FreeBSD keeps the real information in a file called /etc/master. passwd, and for performance reasons it also makes it available in database form in /etc/pwd.db and /etc/spwd.db. None of these file are user-readable.

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  • One key advantage to starting a forex fund is that the fund manager can legally accept compensation for his or her trading and advisory services. In many cases, the fund manager can legally advertise their services as well. This compensation can provide an excellent supplement to an existing income or it may allow trader to work as a paid forex adviser on a full-time basis. In our experience, many forex new fund managers also keep their "day jobs" for a while until they are certain this is the business they want to be in. Market conditions have never been better...

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  • If your route can be organised as a predominantly self-guided walk this means you don’t need so many marshals or signs. This reduces the cost, time and effort spent putting up signs. However, large, mass- participation events do need highly visible marshals and may well need signs placed at strategic points to keep people on the right route. If you want to put up signs you’ll need to get approval from the local authority. If the route is mostly self-guided everyone should be given a clear map.

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  • We know it takes some time to get used to this new way of life. But you’ll get over it. However, this is where the motivation for studying the program comes in to play. If you are not motivated enough to keep on with this new lifestyle for the next five or six years, chances are you’ll run out of steam way before the first year ends. A high motivation is an excellent substitute for sleep; lack of motivation won’t help at all no matter how many hours you sleep every day. This is why we stress again: Be careful...

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  • Diseases, prevention and control Local breeds are often resistant to diseases. The main problem with keeping any sort of pig in free-range or semi-intensive systems is not disease but disabling infestation by worms or other parasites. It is in intensive pig keeping systems that disease is a greater risk

    pdf18p trasua1 17-09-2010 65 4   Download


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