Engineering Dictionary & Resources
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- WW: Weather Working. The term is used in the context of maritime navigation, logistics and terminal operations. more
- X 12: ANSI X12 Ver. 3050 transaction sets can be described in six pages of 3 digit codes. The X12 format standard is commonly used in EDI (automated computer to computer data exchange). Purchasing...more
- X-Micro Bluetooth USB Dongle: Bluetooth is one of the most “spoken about” technology. People enjoy mobility and freedom and any standard that brings these things closer to the final user is highlighted by...more
- X.25: A data communication protocol that ensures data integrity while data is being transmitted to, from and within the network. This standard defines the interconnection of packet-switching networks and...more
- X.400: Defines the special rules for transmission of a message which may include text, pictures, and graphics, and allows information to be transmitted between computers, without specific manufacturer...more
- X.500: The establishment of any global interconnected network, requires a directory. The standard for establishing such a directory is X.500, which enables users to browse through user listings as though...more
- xDrive: The coupler transmission xDrive has appeared at BMW in 2004 on the X3 and X5 on during his first relifting. It is a mechanical device fully controlled by electronics. But his originality is also...more
- Xenon: Ampoule generating light by an electric arc. His power is much greater than that provided by a traditional halogen lamp, but its consumption is lower. The bi-xenon headlights ensure the functions...more
- XOR: See exclusive-OR . more
- Xoxide LL60: Almost all of us would like to have a modified case, but not all of us have the time or skills to pull off a professional looking job. Come join TweakTown as they take a look at the Xoxide LL60...more
- Xoxide Spider-X Case : Introduction First off you may be wondering why I'm writing a review on an X-Hour "One Time Only" product… Well, the case is so well crafted that it deserves a review, and...more
- Xoxide X-Rack Neon CD Tower: Music junkie? Bah, who isn't these days? If you're like most people, you probably have CDs and cases lying in every direction you turn. Whether they're for music, back-up or some...more
- Xoxide Z40 Case: Introduction Cases, they keep getting nicer, and keep getting more expensive too. Cases are getting more and more stylish by the day. With these jazzed up bodies usually comes a hefty...more
- XTrac Ripper: There are people who love mouse pads and live by them, and there are others who just think that there computer desk works fine. Well for those of you mouse pad enthusiasts Xtrac has just created...more
- Y-cable: A cable characterized by 1 connection to an input jack that accommodates 2 output jacks, resembling the letter "Y" when extended. A Y-cable is often referred to as a "splitter." Y-cables for...more
- Yeast artificial chromosomes: YAC s: a vector that can carry large sequences of genomic DNA (millions of base pairs) and is useful in genomic cloning. more
- Yellow submarine: The bottom of the ocean is a still unexplored place and lacking in traffic for this it has been planned a new type of underwater vehicle. Gemini is the name of a submarine devised from Robert...more
- Yi Lu: Professor of Chemistry Department of Chemistry University of Illinois A322 Chemical & Life Sciences Lab 600 South Mathews Avenue Urbana, IL 61801 (217)333-2619 Fax: (217)244-3186 yi-lu@uiuc.edu...more
- Z-boson: A gauge boson with no electric charge. It mediates the weak neutral current . It was studied in spectacular detailed by experiments at LEP and the SLC .more
- Zalman Theater 6 Surround Sound Headphones: Zalman has made a name for themselves producing some of the industries finest “quiet” computing components. From ultra-efficient CPU heatsink designs, to silent VGA cooling solutions...more
- ZEUS: An experiment located at the DESY laboratory. ZEUS uses the electron-proton collider called HERA . For more information, see: more
- Ziegler-Nichols closed-loop tuning method: A method for determining a controller's tuning constants by finding the value of the proportional gain that will cause the control loop to oscillate indefinitely at a constant amplitude when...more
- Ziegler-Nichols open-loop tuning method.: A method for determining the tuning constants for a controller by testing the process variable's response to a change in the control variable output in an open-loop system. more
- zooxanthellae: Microscopic dinoflagellate algae that live mutualistically in the tissues of certain marine invertebrates, including reef-building corals and giant clams. Symbiotic unicellular dinoflagellate...more
- zygote: A zygote is a cell that is formed when gametes - usually a female egg cell and a male sperm cell - fuse. This process occurs during fertilisation. The nuclei of the two cells fuse to produce a...more
- zygote: A zygote is a cell that is formed when gametes - usually a female egg cell and a male sperm cell - fuse. This process occurs during fertilisation. The nuclei of the two cells fuse to produce a...more
- Zymogen /Proenzyme: An inactive precursor to an activated enzyme. Often the zymogen requires a proteolytic cleavage to become active.more
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