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Door furniture

Door furniture (British and Australian English) or Door hardware (North American English) refers to any of the items that are attached to a door or a drawer to enhance its functionality or appearance.

Design of door furniture is an issue to disabled persons who might have difficulty opening or using some kinds of door, and to specialists in Interior design as well as those usability professionals which often take their didactic examples from door furniture design and use.

Items of door furniture or door hardware include:

  • fingerplate
  • keyhole
  • lock
  • doorknob (or doorhandle)
  • door knocker
  • thumb latch
  • hinge
  • pull handle
  • letter plate (or letter box)
  • peephole or wide-angle door viewer
  • door stop
  • escutcheon
  • bell push
  • espagnolette
  • rim lock

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Balance lock

The balance lock was a type of lock to transport boats up and down a hillside on a canal.

Boats were to ride in caissons, essentially bathtubs, of water which were to be hauled up and down the hillside by chain, being balanced by another tub of water. It was patented by James Fussell during his work on the Dorset and Somerset Canal.


External links

  • Dorset and Somerset canal, with information on locks

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Mapledurham Lock

Mapledurham Lock is a lock and weir situated on the River Thames in England. It is owned and managed by the Environment Agency.

Despite its name, Mapledurham Lock is actually located in the Berkshire village of Purley-On-Thames, rather than in the Oxfordshire village of Mapledurham, which is on the other side of the river. Although the weir stretches across the river between the two villages, no access is possible across it and, in the absence of a boat, journeys between the two villages require a lengthy detour via Reading or Pangbourne.

Mapledurham weir is unusual in that it still provides the dual functions that were originally the norm at lock and weir combinations on river navigations. Besides providing the depth of water that permits navigation upstream of the lock, the weir also provides a head of water to drive the still extant Mapledurham Watermill. As both mill and navigation are now principally tourist enterprises, this no longer leads to the sort of conflicts between milling and navigation interests that were once common.


Access to the lock

The lock is accessible from Purley, by going down Mapledurham Drive, a metalled lane that turns to gravel.


Reach above the lock

The river is in open country nearly all the way to Whitchurch and has been described by Robert Gibbings writing in 1939 (Sweet Thames Run Softly) as so crowded with views “they might have dropped from the gold frames of the Royal Academy”. The Thames Path follows the southern bank all the way.


Literature and the Media

The artist E. H. Shepherd who illustrated The Wind in the Willows made many drawings in this area, and Toad Hall is said to be based on either Mapledurham House or Hardwick Hall nearby.


See also

  • Locks on the River Thames

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Bridge of the Gods (modern structure)

The Bridge of the Gods is a steel truss cantilever bridge that spans the Columbia River between Cascade Locks, Oregon and Washington state near Stevenson. It is approximately 40 mi (64 km) east of Portland, Oregon and 4 miles (6.4 km) upriver from the Bonneville Dam. It currently serves as a toll bridge operated by the Port of Cascade Locks.

The bridge was built by the Wauna Toll Bridge Company of Walla Walla, Washington and opened in 1926 as a 1,127 ft bridge. The higher river levels resulting from the construction of the Bonneville Dam required the bridge to be further elevated and extended to its current length of 1,856 ft.

The bridge is named after a famous geologic event also known as Bridge of the Gods.

The Pacific Crest Trail crosses the Columbia River on the Bridge of the Gods and the lowest elevation of the trail is on this bridge.


External links

  • One site on the modern-day Bridge of the Gods
  • Port of Cascade Locks official site

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Tonic parallel

In music theory, the tonic parallel is terminology used in German theory derived mainly from Hugo Riemann, Tp, in major, and tP, in minor, is the (US) relative to the tonic and is thus considered to have or fulfill the function of the tonic.

In C major:

  • Tp is A-minor, US submediant

In C minor:

  • tP is Eb-major, US mediant

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Eljigidei

Eljigidei was a Mongol commander in Persia, fl. (1206-1251/2)

Eljigidei was given command over the Mongol forces in Persia, by the new khan Güyük in 1246, replacing Baiju. Supposedly possessed of Christian sympathies like the khan, Eljigidei was ordered to advance into Syria, and planned an advance on Baghdad. This advance was, ideally, to be conducted in alliance with Louis IX of France, in concert with the Seventh Crusade. However, Güyük’s early death, caused by drink, made Eljigidei postpone operations until after the interregnum.

After the election of Möngke, however, Eljigidei’s children were implicated in an aborted conspiracy to declare the election invalid. Though supposedly innocent, Eljigidei was arrested and put to death as well in 1251 or 1252. Baiju was subsequently returned to command in Persia.

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Commit (data management)

In the context of computer science and data management, commit refers to the idea of making a set of tentative changes permanent. A popular usage is at the end of a transaction. A commit is the act of committing.

A COMMIT statement in SQL ends a transaction within a relational database management system (RDBMS) and makes all changes visible to other users. The general format is to issue a BEGIN WORK statement, one or more SQL statements, and then the COMMIT statement. Alternatively, a ROLLBACK statement can be issued, which undoes all the work performed since BEGIN WORK was issued. A COMMIT statement will also release any existing savepoints that may be in use.

In terms of transactions, the opposite of commit to discard the tentative changes of a transaction, a rollback.


See also

  • Two-phase commit
  • Atomic commit


References

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Noncoherent STC


Non-coherent STC are a way of transmitting data in wireless communications. In this multiple antenna scheme, it is assumed that the receiver only has knowledge of the statistics of channel — Non-coherent space-time transmission schemes were proposed by Tom Marzetta and Bertrand Hochwald in 1999,<ref></ref><ref></ref> but these schemes are complex in implementation terms. This complexity issue was resolved by Vahid Tarokh and Ilmin Kim in 2002.<ref></ref>


References

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Centration

Centration is the tendency to focus on one aspect of a situation and neglect others. A term introduced by the Swiss psychologist Jean Piaget (1896–1980) to refer to the tendency of young children to focus attention on only one salient aspect of an object, situation, or problem at a time, to the exclusion of other potentially relevant aspects. A classic example is provided by an experiment first described by Piaget in 1941 in The Child’s Conception of Number in which a child watches while a number of objects are set out in a row and then moved closer together, and the child is asked whether there are now more objects, fewer objects, or the same number of objects. Most children in the pre-operational stage of development focus on the relative lengths of the rows without taking into account their relative densities or the fact that nothing has been added or taken away, and conclude that there are fewer objects than before. The process of cognitive development by which a child develops from centration to a more objective way of perceiving the world is called decentration or decentering. See also conservation.

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Göta Canal

The Göta Canal () is a Swedish canal constructed in the early 19th century. The canal stretche from Gothenburg on the west coast, combined with the river Göta älv and the Trollhätte canal, through the large lakes Vänern and Vättern, in parallel with Motala ström, and to Söderköping on the Baltic Sea.

The architect was Baltzar von Platen, working to plans earlier developed at the request of the Swedish king by the Scottish civil engineer Thomas Telford; he got permission to begin to work on April 11, 1810 and the canal was officially opened on September 26, 1832. Telford himself travelled to Sweden in 1810 to oversee some of the initial excavations on the project.

Built only decades before the advent of railways, the canal was soon outdated, and never upgraded. The canal is a tourist attraction, sometimes called Sveriges blå band (”Sweden’s Blue Ribbon”).

To support the building of the canal with mechanical works, a small engineering workshop was established in Motala called Motala Verkstad. This industry has sometimes been referred to as cradle of the Swedish engineering industry.


In fiction

Several movies depict the canal, most notably the 1981 comedy Göta Kanal, in which two competing yacht constructors race the canal in order to win a huge construction stock order. In 2006, Göta Kanal 2 was released.


Locks

From the east-coast of Sweden all the way to the west-coast the locks are as follows:
(with meters per locks)

  • Mem, 3
  • Tegelbruket, 2.3
  • Söderköping, 2.4
  • Duvkullen nedre, 2.3
  • Duvkullen övre, 2.4
  • Mariehov nedre, 2.1
  • Mariehov övre, 2.6
  • Carlsborg nedre, 5.1
  • Carlsborg övre, 4.7
  • Klämman, open
  • Hulta, 3.2
  • Bråttom, 2.3
  • Norsholm, 0.8
  • Carl Johans slussar (seven locks), 18.8
  • Oskars slussar, 4.8
  • Karl Ludvig Eugéns slussar, 5.5
  • Brunnby, 5.3
  • Heda, 5.2
  • Borensberg, 0.2
  • Borenshult, 15.3
  • Motala, 0.1

Lake Vättern

  • Forsvik, 3.5
  • Tåtorp, 0.2
  • Hajstorp övre, 5.0
  • Hajstorp nedre, 5.1
  • Riksberg, 7.5
  • Godhögen, 5.1
  • Norrkvarn övre, 2.9
  • Norrkvarn nedre, 2.9
  • Sjötorp 7-8, 4.6
  • Sjötorp 6, 2.4
  • Sjötorp 4-5, 4.8
  • Sjötorp 2-3, 4.8
  • Sjötorp 1, 2.9


Photographs of the Göta Canal


Trivia

The canal is nicknamed “skilmässodiket” which translates to “divorce ditch”. The name refers to the stress endured by couples navigating the numerous locks in the canal.


See also

  • List of Swedish government enterprises


Bibliography

  • Eric de Maré, Swedish Cross Cut, Sweden, 1965. (In English)


External links

  • Göta Canal - Official site

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Read/write lock pattern

A read/write lock pattern is a software design pattern that allows concurrent read access to an object but requires exclusive access for write operations.

In this pattern, multiple readers can read the data in parallel but needs exclusive lock while writing the data. When writer is writing the data, readers will be blocked until writer is finished writing.


See also

  • Lock pattern
  • Scheduler pattern
  • Balking pattern
  • Lock (software engineering)

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Lockpick

Lockpick may refer to:

  • A tool used in lock picking

    • Slim Jim (lock pick)
    • Torsion wrench
    • Tubular lock pick
    • Paper clip
  • Lockpick Pornography, a 2005 novella by Joey Comeau
  • LockPick Entertainment, video game developer/publisher of Dreamlords

Surname

  • Earwig Lockpicker, a fictional character in the fantasy novel Brothers Majere
  • Remo Lockpick, a fictional character in the Dragonlance fantasy novel series; uncle to Tasslehoff Burrfoot

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Watford Locks

Watford Locks is a group of seven locks on the Leicester Line of the Grand Union Canal, close to the village of Watford in Northamptonshire, England, famous for the Watford Gap service area.

The locks are formed (from the south travelling up the locks) of two single locks, a staircase of four, and a final single lock. Together they lift the canal 16m (52ft 6in) to it the “Leicester Summit”, which it maintains all the way to Foxton Locks.

The locks were built to carry narrowboats, and the system was opened in 1814. In the early 20th century there were plans to build an inclined plane similar to that at Foxton as part of a scheme to allow the passage of barges, but the plan was abandoned when the inclined plane at Foxton proved uneconomic.

When the Grand Union Canal was formed in 1929, there were further proposals to widen the flight as part of the modernisation going on elsewhere on the Grand Union’s network, but these plans did not develop further.

The locks are hemmed in by the Roman Watling Street (now the A5 road), the M1 motorway, and the West Coast Main Line railway, which all fit through the narrow gap in the hills.

The locks are usually manned during the summer to prevent water shortages in the ponds between the locks. The keeper also ensures the locks run smoothly and quickly.
It should take approx. 45 min to complete this flight; it is made quicker by the fact that the locks are single beam and the gates are light.

Access from the A5 Watling Street is difficult and not suitable for wheelchairs or prams.

Going northbound, park on the hard standing outside the very large Caravan sales-shop (this is public land) between the two turnings signposted for Watford (as in Watford Gap). Walk across the frontage to the signpost for the Jurassic Way footpath, cross over a stile and the locks are less than 50 metres.

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Risk pool

Risk Pool is one of the forms of risk management mostly practised by insurance companies. Under this system, insurance companies come together to form a pool, which can provide protection to insurance companies against catastrophe risks such as floods, earthquakes etc.

It is also often used as a name, mainly in norfolk, given to swimming pools which are considered dangerous, either with one or more creatures which are capable of harming humans, or containing a Waterborne disease such as cholera.


See also

  • Financial risk management
  • Intergovernmental Risk Pool

Risk pooling is an important concept in supply chain management. Risk pooling suggests that demand variability is reduced if one aggregates demand across locations because, as we aggregate demand across different locations, it becomes more likely that high demand from one customer will be offset by low demand from another. This reduction in variability allows a decrease in safety stock and therefore reduces average inventory.

For example: in the centralized distribution system, the warehouse serves all customers, which leads to a reduction in variability measured by either the standard deviation or the coefficient of variation.

The three critical points to risk pooling are:
1. Centralized inventory saves safety stock and average inventory in the system
2. The higher the coefficient of variation, the greater the benefit obtained from centralized systems; that is, the greater the benefit from risk pooling.
3. The benefits from risk pooling depend on the behavior of demand from one market relative to demand from another.

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Édouard Lock

Édouard Lock (born March 3, 1954) is a Canadian dance choreographer and the founder of the Canadian dance group, La La La Human Steps.

In 2001, he was made a Knight of the National Order of Quebec and an Officer of the Order of Canada. In 2006, he was made a Fellow of the Royal Society of Canada. [1]


External links

  • Édouard Lock at The Canadian Encyclopedia

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Computer Servo Lock

Computer Servo Lock is a technology used in some of Yamaha Electronics’ high-end digital tuners and receivers. When a person tunes into a radio station, the receiver or tuner “locks” onto the station’s signal, if it is strong enough, thus preventing FM drift.

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Hatherton Canal

The Hatherton Canal is a derelict branch of the Staffordshire and Worcestershire Canal in south Staffordshire, England.

When it was built it ran 4 miles (6 km) through eight locks from Hatherton Junction on the Staffordshire and Worcestershire Canal to Churchbridge Junction on the Churchbridge Branch (a short branch with thirteen locks) of the Cannock Extension Canal (a branch of the Wyrley and Essington Canal). It was completed in 1860. Subsidence due to mining caused its closure in 1955.

The canal is now part of an active restoration project. However, due to building on the cut, the current plans call for the canal to deviate from the original route in places. This includes new tunnels under the A5 road and a cluvert, already in place, over the M6 Toll motorway.


See also

  • Canals of Great Britain
  • History of the British canal system


External links

  • Lichfield & Hatherton Canals Restoration Trust

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Parenthetical citation

Within the context of a document composed as per some style guide, a ‘parenthetical citation’ (or ‘parenthetical notation’) is a reference to a source that is placed (in parentheses) at the end of a sentence, but prior to the period/fullstop. It typically references a complete citation typically found elsewhere in the document. For example, in a document formatted according to The MLA Style Manual, the citation may reference a work fully detailed in a Works Cited page.

As an example, in an academic work in a displine in the social sciences, the following paragraph cites a work using parenthetical citation:

Social representations theory posits that reified scientific knowledge that exists at the boundaries of a given society, will be interpreted in meaningful and often simplified forms by the majority (Pauling 2005).

The text “(Pauling 2005)” is the parenthetical citation, citing some original work, written in 2005 by an author with the last name of Pauling. The format for the citation is APA style or Harvard referencing, which are similar.

In contrast, according to MLA style, for an academic research paper or journal article in a discipline in the humanities, an in-text parenthetical citation documenting such a source would not use the date; it would provide the last name of the author, if needed a short title (if there is more than one work by that author) and page numbers, not preceded by “p.” or “pp.” (if needed as well). It would be keyed to a full citation in the list of “Works Cited”.

Different style guides will have different conventions regarding proper usage of parenthetical citations.


See also

  • Style guides

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Sanding block

A sanding block is a block used to hold sandpaper. In its simplest form, it is a block of wood or cork with one smooth flat side. The user wraps the sandpaper around the block, and holds it in place. Fancier versions use clips, teeth or clamps to hold the paper in place. Commercial versions can be constructed of various materials. They are usually sized to hold a quarter or half sheet of sandpaper. Some versions use the sandpaper belts intended for a power belt sander. Sanding blocks are helpful because they prevent the “waves” created by plain sandpaper.