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Topic: Rectangular


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In the News (Mon 22 Apr 19)

  
  PT&P/U.S. Bellows: Expansion Joint Catalog: Rectangular Metal Expansion Joints
Since there are no standardized duct sizes, and due to the wide range of pressure and temperature combinations, each rectangular metal expansion joint is customer engineered to provide the most economical design that will not sacrifice the integrity of the expansion joint or the system in which it is installed.
It is important to understand, however, that due to the large sizes that rectangular expansion joints frequently are, lateral deflection of single bellows is often impossible.
The proper design for a rectangular bellows for these types of movement is a universal expansion joint, in which two bellows elements connected with a center duct section (centerspool) are used in tandem.
www.pipingtech.com /products/expjtcat/rflex.htm   (428 words)

  
 Rectangular Weir Discharge Calculator and Equations
The rectangular weir is the most commonly used thin plate weir.
The U.S. Bureau of Reclamation has conducted many weir tests over several decades using weirs with particular dimensions - usually b's in 1 ft. increments up to about 10 ft. Therefore, any weir outside their tested dimensions is non-standard, and their equations should not be used.
To provide a single reliable, accurate method to model all rectangular weirs (suppressed, partially contracted, and fully contracted), the Kindsvater-Carter equation (Kindsvater and Carter, 1959) was developed.
www.lmnoeng.com /Weirs/RectangularWeir.htm   (871 words)

  
 Rectangular Expansion Joint/Compensator
Rectangular metal expansion joint have a variety of applications in the power, petrochemical, refining, chemical, and steel industries.
Since there are no standard duct sizes, and due to the wide range of pressure and temperature combinations, each rectangular metal expansion joint is custom-engineered to provide the most economical design that will not sacrifice the integrity of the joint or the system in which it is installed.
General arrangement of rectangular expansion joint with supported sides.
www.usbellows.com /products/rectangular_compensators.htm   (84 words)

  
 Open channel flow measurement end depth method. Waterfall flow. ISO 3847 calculations, equations
Compute discharge, depth, or width for a horizontal rectangular channel with a sudden drop-off (free overflow).
· For a confined nappe, the channel should be rectangular for a distance of greater than 6h downstream of the drop-off, and the nappe should be ventilated so that the water does not cling to the drop off.
If the criteria are met and h is measured carefully, the accuracy of the discharge measurement is 2% for a horizontal channel and up to 7% for a slightly sloping channel (ISO, 1977).
www.lmnoeng.com /Waterfall/waterfall.htm   (508 words)

  
 Introduction to Rectangular Waveguides   (Site not responding. Last check: 2007-11-07)
Rectangular waveguides are th one of the earliest type of the transmission lines.
A rectangular waveguide supports TM and TE modes but not TEM waves because we cannot define a unique voltage since there is only one conductor in a rectangular waveguide.
Consider the shape of the rectangular waveguide above with dimensions a and b (assume a>b) and the parameters e and m.
www.ee.bilkent.edu.tr /~microwave/programs/magnetic/rect/info.htm   (940 words)

  
 MacDevCenter.com: Scripting Rectangular Selections in BBEdit 7
You can also create a non-rectangular, rectangular selection--even with a fixed-width typeface--by selecting characters at the end of lines that are not the same length.
The difference is that a normal BBEdit selection is a reference to a range of characters, but a rectangular selection is a list of character ranges, one for each line of the rectangular selection.
This is, in effect, the same thing that happens when you copy a rectangular selection, then paste it into a new text window.
www.macdevcenter.com /pub/a/mac/2003/01/07/bbedit_selections.html   (1339 words)

  
 RECTANGULAR TRAMPOLINES   (Site not responding. Last check: 2007-11-07)
When referring to the rectangular trampolines, the size is determined by the dimensions of the bed, which is the actual jumping area.
Rectangular frames carry a lifetime warranty against material defects and workmanship.
Lightweight polypropylene covers are available to help protect against the UV rays, and lengthen the life of your trampoline.
trampmaster.com /rectangular1.htm   (427 words)

  
 Rectangular uBGAs with 1 raised edge after reflow
We are seeing two rectangular uBGAs (Intel package type GT28F320C3), which are located within 150 mils of each other, exhibit a slope away from each other after reflow.
The same small sides run parallel to the edges or tabs of the PCB used to hold it moves through reflow oven.
The uBGAs are rectangular, 0.75mm pitch, weigh 83mg, have 47 balls, and the dimensions are 10.850 x 7.286mm.
www.smtnet.com /Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=4393&   (1207 words)

  
 Polar - rectangular conversion
Rectangular coordinates and polar coordinates are two different ways of using two numbers to locate a point on a plane.
Rectangular coordinates are in the form (x,y), where 'x' and 'y' are the horizontal and vertical distances from the origin:
Maths Helper Plus can convert your coordinates from rectangular to polar or polar to rectangular, showing a helpful diagram and all of the working steps.
www.teacherschoice.com.au /Maths_Library/Coordinates/polar_-_rectangular_conversion.htm   (594 words)

  
 Effects of adopting rectangular collimation in UK general dental practice   (Site not responding. Last check: 2007-11-07)
University of Birmingham, England, UK Objectives: Guidance Notes from the UK department of Health recommends that rectangular collimation(RC) be used to reduce patient radiation dose, but anecdotal reports suggest that it may result in more retakes which could cause a net increase in patient dosage.
The aim of this study was to determine whether RC improves the diagnostic quality of Bitewing Radiographs (BW's), or leads to a decrease in rejected films in general practice.
Among the individual dentists, rectangular collimation had an effect on general film quality but the direction and size of this varied.
iadr.confex.com /iadr/bsdr04/techprogram/abstract_49197.htm   (320 words)

  
 Rectangular Coordinates   (Site not responding. Last check: 2007-11-07)
The rectangular coordinate system is also known as the Cartesian coordinate system after Rene Descartes, who popularized its use in analytic geometry.
The rectangular coordinate system is based on a grid, and every point on the plane can be identified by unique x and y coordinates, just as any point on the Earth can be identified by giving its latitude and longitude.
Locations on the grid are measured relative to a fixed point, called the origin, and are measured according to the distance along a pair of axes.
www.jamesbrennan.org /algebra/lines/rectangular_coordinates.htm   (310 words)

  
 Symbolic Model Checking for Rectangular Hybrid Systems
Second, rectangular automata are the most general type of hybrid systems for which model checking --in particular, LTL model checking-- is decidable.
However, on one hand, the original proofs of decidability did not suggest practical algorithms and, on the other hand, practical symbolic model-checking procedures --such as those implemented in HyTech-- were not known to terminate on rectangular automata.
We remedy this unsatisfactory situation: we present a symbolic method for LTL model checking which can be performed by HyTech and is guaranteed to terminate on all rectangular automata.
www.gigascale.org /pubs/85.html   (295 words)

  
 Rectangular Grid -> Cyliner with Streamlines   (Site not responding. Last check: 2007-11-07)
A problem presented itself in Data Explorer in terms of trying to create stream lines on a cylinder that is constructed from a rectangular grid.
The rectangular grid was composed of vector data in which stream lines could be applied (see Figure 1 and 2.) As you can clearly see, if the grid were connected with the left to the right, the streamlines would not break on the left side.
WarpEndConnect - Input: A rectangular grid (2d) with scaler or vector data (required.) Output: A grid warped to Polar coordinates with x0 connected to xn.
www.cs.umt.edu /DX/MACROS/WRAPRP   (578 words)

  
 NarutoFan > Naruto Encyclopedia
This works because of the writing on the note which casts a spell to make the note to explode after a set period of time.
This is a rectangular peice of metal which is attached usually to a blue or red colored bandana either folded or left normally.
Each village have there own symbol carved in the center of the metal sheet to represent and show that they are members of the village.
www.narutofan.com /index.php/content-naruto%20encyclopedia,index   (1302 words)

  
 Tupperware Rectangular Cake Taker Review at Epinions.com
I have a rectangular cake pan with a cover but I can't decorate the sides of my cakes if I use that for transportation.
The Tupperware Rectangular Cake Taker has solved those problems for me. Not only is it rectangular, but I don't worry about the cake sliding around, getting smashed beyond recognition in transport.
The Tupperware Rectangular Cake Taker is dishwasher safe but I've never attempted to wash mine in the dishwasher.
www.epinions.com /content_104337018500   (1276 words)

  
 Baseband Modulation Using Rectangular Pulses and Binary Pulse Amplitude Modulation - Tutorial - Development Library - ...
As we established in Section 2.5 in Chapter 2, normalized energy spectral density is obtained by squaring the magnitude spectrum.
As shown in Figures 3-3a–c, note that the normalized energy spectral density of a single negative rectangular pulse is the same as a single positive rectangular pulse.
Normalized energy spectral density of a single negative rectangular pulse (same as for a positive rectangular pulse).
zone.ni.com /devzone/conceptd.nsf/webmain/32B8D11B01A6D6D086256E01007ECAE8?opendocument   (1984 words)

  
 Rectangular Membrane Modes   (Site not responding. Last check: 2007-11-07)
The theoretical case of a rectangular membrane begins to show the complexity of membranes.
No, I haven't seen a rectangular drum either, but it is a useful mathematical model to show that resonant systems often have overtones which are not harmonics.
This is true also in the more useful circular membranes used in drum heads, but the overtones are much more complex there.
hyperphysics.phy-astr.gsu.edu /hbase/music/recmem.html   (133 words)

  
 Amazon.com: Kitchen & Housewares: Calphalon Commercial Bakeware 9-by-13-Inch Rectangular Cake Pan   (Site not responding. Last check: 2007-11-07)
Measuring 9 by 13 inches, this rectangular pan is perfect for baking a cake or cooking a lasagna to feed the family.
It's coated with two layers of durable nonstick specially formulated for easily releasing high-sugar foods and is constructed of durable, heavy-gauge aluminum to resist warping and conduct heat quickly and uniformly.
This rectangular pan is a great size for large cakes.
www.amazon.com /exec/obidos/tg/detail/-/B00005M1UE?v=glance   (639 words)

  
 Angstrom Sciences, Inc :: Rectangular Magnetrons   (Site not responding. Last check: 2007-11-07)
As more and more industries discover the speed, controllability, and bottom-line benefits of magnetron sputtering, production professionals are reaching out for ways to apply these advantages to larger, faster manufacturing processes.
And that's also why Angstrom Sciences is reshaping the future of sputtering technology with a complete line of rectangular magnetrons for every application.
Angstrom Sciences rectangular cathodes are available in a full range of target widths from 1.5 to 12 inches - and in target lengths from 1 to 20 feet.
www.angstromsciences.com /products_services/rectangular   (255 words)

  
 Reihman, Thomas Charles (1967-05-19) Laminar flow over transverse rectangular cavities. ...   (Site not responding. Last check: 2007-11-07)
Reihman, Thomas Charles (1967-05-19) Laminar flow over transverse rectangular cavities.
An experimental investigation was conducted on the laminar flow of water over transverse rectangular cavities.
Most of the cavities were square ranging in size from 1/8 in.
etd.caltech.edu /etd/available/etd-09272002-153158   (344 words)

  
 Surveying and Federal Land Sales
In 1785, the Federal Government began using the rectangular survey system for the organization, division and sale of government-owned frontier lands.
In the rectangular survey system, the basic unit of land was called a "township." Each township was a square, six miles on each side.
Except for a relatively small sliver of land in southeast Indiana, known as "the gore", the land in Indiana was all layed out according to the rectangular survey.
www.connerprairie.org /historyonline/survey.html   (889 words)

  
 Rectangular Cable grommets
Use our large oval and rectangular grommets to organize your computer desktop.
These cable sets are geared to handle the really big things like surge protectors, electrical wiring outlets, fax/ modem lines and plenty of monitor and computer cables.
Rectangular, round and oval grommets of various sizes and shapes.
www.closet-masters.com /Ergonomics_SF/Wire_management/Grommets_rectangular_cable_hole_covers.htm   (76 words)

  
 Rectangular Waveguides   (Site not responding. Last check: 2007-11-07)
In the information part, the rectangular waveguides are explained in detail.
If the user enters the properties of the medium and the frequency, with which he/she wants his/her rectangular waveguide to travel, the program designs a rectangular waveguide with the dimensions so that the given frequency is inserted in the middle of TE and TE modes.
In other words, it designs a rectangular waveguide for the given material properties and operating with the given frequency.
www.ee.bilkent.edu.tr /~microwave/programs/magnetic/rect/rect.htm   (451 words)

  
 Amazon.com: Kitchen & Housewares: Le Creuset 10 by 15-3/4-Inch Rectangular Baker, Red   (Site not responding. Last check: 2007-11-07)
Rectangular baking dish; appropriate for both oven and stovetop use
I use the large rectangular baker a lot.
I often bake or roast large chickens, turkeys, or roasts in it, most often in a cooking bag with potatoes, onions, carrots, and celery, which makes a full meal and quick cleanup.
www.amazon.com /exec/obidos/tg/detail/-/B00005QFMR?v=glance   (1144 words)

  
 Rectangular Editing   (Site not responding. Last check: 2007-11-07)
Entering characters while a rectangular selection is active inserts into each row of the selection, thus a zero-width rectangular selection can now act like a “tall caret”.
A static bar indicator is shown when rectangular selection mode is active.
while a rectangular selection is active performs that operation on each selected line.
jedit.sourceforge.net /42docs/news42/rect.html   (99 words)

  
 Alcoa -- Product Catalog: Rectangular Bar   (Site not responding. Last check: 2007-11-07)
Rectangular shapes are the all-purpose rigid conductor for switchgear, control apparatus and busways.
Joints and taps are easily made by bolting or welding; it is also easy to make off-sets and 90-degree bends.
For direct current, the capacity of a rectangular bar bus conductor can be controlled by varying the size or number of bars in parallel.
www.alcoa.com /global/en/products/product.asp?prod_id=1728   (114 words)

  
 Plastic Bottle, Rectangular Bottles, Blow-molded Plastic Containers
YORK, Pennsylvania, USA-- April 26, 2004 -- A new rectangular PET (polyethylene terephthalate) hot-fill bottle, has been launched, which could prove to be a blessing for suppliers, as shipping rates have risen 10 per cent to 25 per cent since last spring.
The new 64-ounce rectangular PET (polyethylene terephthalate) hot-fill bottle that Graham Packaging Company, L.P., is producing for Old Orchard is coming up a winner at every stop in the journey from producer’s plant to supermarket shelf to mom’s refrigerator.
Toshi Kojitani, director of Graham Packaging's PET product line, claims that the new 64-ounce rectangular bottle is the same height and width and the same weight as the round alternative, but offers a 25 per cent gain in ‘cube efficiency,’ or an average of 20 per cent space savings on a retailer's shelf.
www.jobwerx.com /news/SpaceSaving.html   (502 words)

  
 Cube/Rectangular Prism Activity
Students manipulate cubes and rectangular prisms, drawing geometric shapes using grid paper and also manipulating geometric shapes using the ESCOT Runner software to observe geometric relations.
What is the relation between the area of the base of the pink rectangular prism and the area of the base of the blue rectangular prism?
Discuss with the students the formulas to calculate the area and volume of a cube and rectangular prism given the length of the side or the length, height and width of the prism.
mathforum.org /alejandre/escot/cube.prism.html   (815 words)

  
 Rectangular Shower Curtain Rods
Our Rectangular shower rod is made of 3/4" diameter- 23 gauge brass tubing.
Please Note: two shower curtains are needed with this shower rod.
This Rectangular shower rod is made of 3/4" diameter- 23 gauge brass tubing.
www.showerrods.com /rectangle-Rod.html   (225 words)

  
 Rectangular Window Transform (Cont'd)
Above, we found the rectangular window transform to be the aliased sinc function:
Since the DTFT of the rectangular window approximates the
Therefore, the departure of the roll-off from that of the sinc function can be ascribed to aliasing in the frequency domain, due to sampling in the time domain.
ccrma-www.stanford.edu /~jos/Intro421/Rectangular_Window_Transform_Cont_d.html   (177 words)

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