omniomni/omni-engineering huggingface dataset:
Janousek Racing Boats. Janousek Racing Boats Ltd is a British-based manufacturer of rowing boats / racing shells established in 1981 by Bohumil Janoušek, a Czech rower and Olympic double bronze medallist. 

The boats are made of a honeycomb-sandwich laminate that is heat-cured at high temperatures, producing stronger shells than the more traditional cold-curing method of construction. Janousek was one of the first rowing boat makers in the world to offer this method of rowing boat construction.  Janousek manufacture singles, doubles, coxless pairs, coxless fours and quads (in one of three hull shapes), bow and stern-coxed fours and quads (in one of two hull shapes), and sectional eights. They offer a wide range of boats designed for different average crew weights.

Janousek boats are a very popular choice of club boat in Britain due to their relatively low price and the company's high production capacity, they are also more durable compared with other makes of racing shells.

The Janousek company also owns Stämpfli Racing Boats, another manufacturer of rowing boats which was acquired in 1991.

Janousek boats have been used at all levels of competition including World Rowing Championships with the British men's heavyweight coxed four using a Janousek in the 1983 World Rowing Championships and Italy using one for their lightweight coxless four Gold medal winning crew of 1982.

External links 

 Janousek website

Rowing equipment manufacturers
British companies established in 1981
ASARS-2. The Advanced Synthetic Aperture Radar System-2 (ASARS-2) is the radar system mounted on some variants of the Lockheed U-2 reconnaissance aircraft.

The ASARS-2 radar was originally developed in the early 1980s by Hughes Aircraft, which was acquired by Raytheon in the late 1990s. It is capable of detecting and accurately locating both stationary and moving ground targets; target information is transmitted via a wideband data link to a ground station. The radar is capable of producing extremely high resolution images at long range.

ASARS-2 was used extensively during Operation Desert Storm for target location and battle damage assessment. It has also been used to survey damage after various domestic disasters, including floods along the Mississippi River and the 1994 Northridge earthquake.

In the late 1990s, the ASARS Improvement Program (AIP) incorporated several performance and supportability enhancements into the system. Making extensive use of commercial off-the-shelf technology, the AIP redesign increased on-board processing capability and upgraded the data link. The first of these ASARS-2A radars was delivered in 2001.

Some features and technologies from the ASARS-2A system have been incorporated into the Raytheon Sentinel developed as the RAF's Airborne STand-Off Radar (ASTOR) aircraft.

References 

 ASARS-2 product information on the Raytheon website
 ASARS-2 on the Federation of American Scientists website

Aircraft radars
Hughes Aircraft Company
Raytheon Company products
Synthetic aperture radar
Military electronics of the United States
Mass transfer coefficient. In engineering, the mass transfer coefficient is a diffusion rate constant that relates the mass transfer rate, mass transfer area, and concentration change as driving force:

Where:
 is the mass transfer coefficient [mol/(s·m2)/(mol/m3)], or m/s
 is the mass transfer rate [mol/s]
 is the effective mass transfer area [m2]
 is the driving force concentration difference [mol/m3].

This can be used to quantify the mass transfer between phases, immiscible and partially miscible fluid mixtures (or between a fluid and a porous solid). Quantifying mass transfer allows for design and manufacture of separation process equipment that can meet specified requirements, estimate what will happen in real life situations (chemical spill), etc.

Mass transfer coefficients can be estimated from many different theoretical equations, correlations, and analogies that are functions of material properties, intensive properties and flow regime (laminar or turbulent flow).  Selection of the most applicable model is dependent on the materials and the system, or environment, being studied.

Mass transfer coefficient units
 (mol/s)/(m2·mol/m3) = m/s

Note, the units will vary based upon which units the driving force is expressed in. The driving force shown here  as '' is expressed in units of moles per unit of volume, but in some cases the driving force is represented by other measures of concentration with different units. For example, the driving force may be partial pressures when dealing with mass transfer in a gas phase and thus use units of pressure.

See also
Mass transfer
Separation process
Sieving coefficient

References

Transport phenomena
LabWindows/CVI. LabWindows/CVI (CVI is short for C for Virtual Instrumentation) is an ANSI C programming environment for test and measurement developed by National Instruments. The program was originally released as LabWindows for DOS in 1987, but was soon revisioned (and renamed) for the Microsoft Windows platform. The current version of LabWindows/CVI (commonly referred to as CVI) is 2020.

LabWindows/CVI uses the same libraries and data-acquisition modules as the better known National Instrument product LabVIEW and is thus highly compatible with it.

LabVIEW is targeted more at domain experts and scientists, and CVI more towards software engineers that are more comfortable with text-based linear languages such as C.

Release history 
Starting with LabWindows/CVI 8.0, major versions are released around the first week of August, to coincide with the annual National Instruments conference NI Week, and followed by a bug-fix release the following February.

In 2009, National Instruments started to name the releases after the year in which they are released. The bugfix is called a Service Pack (for instance, the 2009 Service Pack 1 release was published in February 2010).

See also
National Instruments

References

Integrated development environments
Domain-specific programming languages
C (programming language) compilers
Data analysis software
Numerical software
Cross-platform software
Martin Pope. Martin Pope (born Isidore Poppick; August 22, 1918March 27, 2022) was an American physical chemist and professor at New York University.

His discoveries of ohmic contacts and research in the fields of organic insulators and semiconductors led to techniques enabling organic semiconductors to carry relatively large currents, and to convert electricity into light and vice versa.  These discoveries have had application in electrophotography, organic light-emitting diodes (OLED), photovoltaic cells, biological sensors, transistors, molecular electronics, and batteries.

For his work, Dr. Pope was awarded the Davy Medal from the Royal Society in 2006.

Biography

Martin Pope was born in 1918 to Jewish immigrants from Ukraine. The second of four sons, Pope grew up on New York's Lower East Side. He attended the City College of New York, graduating with a bachelor's degree in chemistry in 1939.

While at CCNY, Pope assisted in nuclear experiments at Columbia University and met Fermi, Schwinger, Dunning and other key figures in the development of nuclear fission.  After graduation, he served in the Army Air Force in the Pacific, where he reached the rank of first lieutenant. After the war, Pope returned home and found work at Balco Research Laboratories, where he received two patents for thin film inventions. He received his Ph.D. in 1950 from the Brooklyn Polytechnic Institute.

He joined the faculty of New York University in 1956 as a researcher in the Radiation and Solid State Physics Lab (RSSL). In 1988, he retired as professor of chemistry and director of the RSSL. He became professor emeritus, physical chemistry at NYU. He was still active in research until the final years of his life. He published his last two papers in 2003 and 2004.

Personal life and death
Pope married Lillie Pope, an educational psychologist and author, in 1946. She died in 2015.

He turned 100 in August 2018, and died on March 27, 2022, at the age of 103.

References

External links
 Martin Pope home page
 Radiation and Solid State Physics Lab photogallery

1918 births
2022 deaths
American physical chemists
Polymer scientists and engineers
Fellows of the American Physical Society
City College of New York alumni
New York University faculty
Polytechnic Institute of New York University alumni
United States Army Air Forces personnel of World War II
United States Army Air Forces officers
Jewish American scientists
People from the Lower East Side
American people of Ukrainian-Jewish descent
21st-century American Jews
21st-century American physicists
Scientists from New York City
American men centenarians
Military personnel from New York City
Jewish centenarians
Hellenic Defence Systems. Hellenic Defense Systems (, Ellinika Amyntika Systimata, abbreviated EAS) is the company formed by the merger in 2004 of the Greek defence companies Hellenic Arms Industry and Pyrkal. When created, it was a major manufacturer with thousands of employees, with a product range that included most land weapons in use today, as well as an established exporter to many countries in the world.

, EAS registered a loss, despite the Greek government paying million (equivalent to €million in ) of the company's bills and debts, attributed to the ongoing economic crisis that affected Greece from 2008 to 2018.

Products
E56 120 mm Mortar
FN Minimi
HK G3
HK USP
HK MP5
HK 11A1
MG 3 machine gun

References 

Official financial statements (2022)

External links 

 
 L.S. Skartsis, "Greek Vehicle & Machine Manufacturers 1800 to present: A Pictorial History", Marathon (2012)  (eBook)

Defence companies of Greece
Firearm manufacturers of Greece
2004 establishments in Greece
Government-owned companies of Greece
Greek brands
Companies based in Athens
DCV Balder. DCV Balder is a deepwater construction vessel (DCV) operated by Heerema Marine Contractors.

History
The Balder was constructed in 1978 as semi-submersible crane vessel by Mitsui Engineering & Shipbuilding Co., Ltd. Balder and sister vessel, Hermod were the world's first semi-submersible crane vessels. In the early 1980s these vessels set several lift records while operating in the North Sea. Conversion to a DCV was carried out in 2001 by Verolme Botlek BV in the Netherlands.

Design
The hull consists of two floaters with three columns each. The transit draught of 12 meters is normally ballasted down to 25 meters for lifting operations, with the floaters (with a draught of 12 meters) well-submerged, reducing the effect of waves and swell.

It is powered by seven 3,500 kW azimuth thrusters and two propellers. There is accommodation for 350 persons. Lightship weight is 49,631 tonnes.

In the 2001 conversion, it was fitted with seven thrusters and a J-lay system. The 98 m J-Lay tower, designed and constructed by Huisman Itrec, is capable of laying pipe in water depths to . Balder was also equipped with class III dynamic positioning system and a mooring line deployment winch. The winch is the largest in the world, with a diameter of 10.5 meters and a safe working load (SWL) of 275 t.

Cranes
The Balder has two cranes (3600 t, 2700 t). Originally the starboard-side crane was rated at 3000 short ton and the port-side at 2000 short ton. In 1984, the lifting capacities were upgraded to 4000 and 3000 short tons respectively in a fixed mode (and 3300 & 2200 in revolving mode). To accommodate the J-Lay tower, the port crane jib was converted to a fly jib in 2001.

Remarkable projects
  In 1978 Occidental’s Piper Alpha was the first platform installation with a Semi Submersible Crane Vessel. It was a British platform that blew out and burned to the water, killing 167 of its crew.
 In 2005 the world's largest semi-submersible platform, BP's Thunder Horse, was installed. Later in the year, Balder assisted in righting Thunder Horse, found listing dramatically after Hurricane Dennis.
 In 2006 it installed BP’s Mardi Gras Atlantis gas export pipeline (0.6 m / 24 in diameter) in a record breaking water depth of 2220 meters (7217 feet).
 in 2007 it moored the Independence Hub Facility in a record breaking water depth of 2438 m (8000 ft), with a world record for the deepest flow line installation of 2743 m (9000 ft).

References

External links

 Heerema Marine Contractors' site
 Actual position, status, weather and other updates from SSCV Balder

Ships built by Mitsui Engineering and Shipbuilding
Ships of the Netherlands
Pipe-laying ships
Crane vessels
Semi-submersibles
1978 ships
Web3D Consortium. Web3D Consortium is an international not-for-profit, member-funded industry consortium, originally founded in 1997. Web3D Consortium members from governmental, nonprofit and research organizations worldwide, including working alongside individual professional members to collaborate in a consensus process and encouraging development and implementation of open standards for 3D content and services.

The Web3D Consortium promotes deployment of X3D standards for the communication of 3D scenes in multiple applications, use cases, platforms, and verticals. Members collaboratively develop the X3D standards and tools making them widely adopted across diverse markets for academia, government, industry, and individuals. The Web3D Consortium offers robust ISO standardized 3D functionality and long-term stability for enterprise solutions and interoperability with other 3D standards.

The Consortium defines and develops the X3D royalty-free open standards file format and runtime architecture to represent and communicate 3D scenes. The development of 3D web-based graphics has evolved from its beginnings as the Virtual Reality Modeling Language (VRML) to Extensible 3D (X3D). Over recent years, advances in real time graphics and networking technology, and most notably the emergence of the Extensible Markup Language XML, have heavily influenced the development of the ISO-approved, freely available, X3D open standard. X3D embodies best practices in commercial real time graphics within the widely adopted framework of the World Wide Web family of technologies and standards and has no intellectual property restrictions. It provides a system for the storage, retrieval and playback of real time graphics content embedded in applications, all within an open architecture to support a wide array of domains and user scenarios.

Web3D applications have been active for some time. Previously known as the VRML Consortium, this community spearheaded the development of the VRML 1.0 and 2.0 specifications, which provide the basis for the development of associated applications. The organizations involved in this effort felt that the creation of an open consortium focused exclusively on Web3D would provide the structure necessary to stabilize, standardize, and nurture the technology for the entire community. Today, the Web3D Consortium is utilizing its broad-based industry support to develop the X3D specification as a successor to VRML for communicating 3D on the web, between applications and across distributed networks and web services.

Related to its educational mission, the Consortium maintains an extensive website of documents and links related to VRML and X3D resources, including plugins and browsers from many long-term members and open source developers.

See also
 VRML, the first ISO-standard format for 3D browsing
 X3D, modern descendant of VRML that includes XML encoding
 Web3D
 WebGL

References

External links
 Web3D Consortium
 VRML (Virtual Reality Modeling Language) and X3D

Computer graphics organizations
Graphics standards
ISO standards
Markup languages
Mountain View, California
Virtual reality organizations
Uranium borohydride. Uranium borohydride is the inorganic compound with the empirical formula U(BH4)4. Two polymeric forms are known, as well as a monomeric derivative that exists in the gas phase.  Because the polymers convert to the gaseous form at mild temperatures, uranium borohydride once attracted much attention. It is solid green.

Structure
It is a homoleptic coordination complex with borohydride (also called tetrahydroborate).  These anions can serve as bidentate (κ2-BH4−) bridges between two uranium atoms or as tridentate ligands (κ3-BH4−) on single uranium atoms. In the solid state, a polymeric form exists that has a 14-coordinate structure with two tridentate terminal groups and four bidentate bridging groups.  Gaseous features a monomeric 12-coordinate uranium, with four κ3-BH4− ligands, which envelop the metal, conferring volatility.

Preparation
This compound was first prepared by treating uranium tetrafluoride with aluminium borohydride:
 UF4 + 2 Al(BH4)3 → U(BH4)4 + 2 Al(BH4)F2

It may also be prepared by the solid-state reaction of uranium tetrachloride with lithium borohydride:
UCl4 + 4 LiBH4 → U(BH4)4  +  4 LiCl
Although solid U(BH4)4 is a polymer, it undergoes cracking, converting to the monomer.
The related methylborohydride complex U(BH3CH3)4 is monomeric as a solid and hence more volatile.

History
During the Manhattan Project, the need arose to find volatile compounds of uranium suitable for use in the diffusion separation of uranium isotopes. Uranium borohydride is, after uranium hexafluoride, the most volatile compound of uranium known with a vapor pressure of  at 60 °C. Uranium borohydride was discovered by Hermann Irving Schlesinger and Herbert C. Brown, who also discovered sodium borohydride.

Uranium hexafluoride is corrosive, which led to serious consideration of the borohydride. However, by the time the synthesis method was finalized, the problems related to uranium hexafluoride were solved.  Borohydrides are nonideal ligands for isotope separations, since there are isotopes of boron that occur naturally in high abundance: 10B (20%) and 11B (80%), while fluorine-19 is the only isotope of fluorine that occurs in nature in more than trace quantities.

References

Uranium(IV) compounds
Borohydrides
Inorganic polymers
Coordination polymers
Kermes mineral. Kermes mineral  or Alkermes mineral was a compound of antimony oxides and sulfides, more specifically, antimony trioxide and trisulfide.  It can be made or obtained in the laboratory by the actions of potassium carbonate (K2CO3) on antimony sulfide.  The compound is reddish brown in color and described as a velvety powder which is insoluble in water.  It was used extensively in the medical field until the general use of antimony compounds declined due to toxic effects.

History and Uses
The name is derived from the word kermes as denoting the compound's red color.  The origins of the term is from the French kermès,  which is short for alkermès, from the Arabic al-qirmiz a reference to crimson dye made from the bodies of insects (see Kermes (dye)).  It was also known as poudre des Chartreux from a story of how it saved the life of a Carthusian monk in 1714.   Because of its reputation as a medication and heal-all (or panacea), the formula and production process for Kermes mineral was purchased by the French government in 1720.  Used for centuries in medicine as a health treatment, diaphoretic (causing sweat), anti-inflammatory and emetic it was used through the 19th century and its use extended to epilepsy treatment in addition to hectic fever.

See also
Kermesite

References

Kermesite
Paschal, Ashley and Prof. Bryan Hanson "Dr. William D. Hutchings, 19th Century American Medicine and the Use of Antimony Compounds: A Chemist’s Perspective" (pdf)

History of chemistry
International Display Technology. International Display Technology (IDTech) was a partnership between Taiwan's Chi Mei Corporation and IBM Japan. Its manufacturing factory was sold to Sony in 2005. The headquarters was renamed to the current name, CMO Japan Co., Ltd. in 2006. It manufactured the IBM T220/T221 LCD monitors, among other products.

External links
 Official Website (site already down)
 SONY TO ACQUIRE IDTECH'S YASU LCD MANUFACTURING FACILITY Acquisition Will Serve As Second Manufacturing Base of Low-Temperature Polysilicon TFT LCD Display Panel for Mobile-Products
Electronics companies of Taiwan
New Zealand DH class locomotive. The New Zealand DH class locomotive is a type of diesel-electric heavy transfer and shunting locomotive in New Zealand's national railway network. The class consists of six heavy shunt U10B type locomotives built by General Electric United States at their Erie, Pennsylvania plant in 1978. Five of the class are used in the Auckland area for heavy shunting duties, including services around Auckland and the Port of Auckland, while one is based at the Port of Tauranga in Mount Maunganui.

Introduction 
Originally an order for Philippine National Railways 2500 Class, the six locomotives were purchased as by coincidence NZR needed a heavy shunter for Auckland container port transfer work. At the time two DSC class shunters were linked in tandem to perform this task. The DH class are a light locomotive that is geared to run at .

They saw occasional service on the then under-used Auckland suburban passenger network where they performed well, but NZR focused them on their intended purpose, heavy shunting. In the late 1980s, NZR provided a DH locomotive to the Tasman Pulp and Paper mill in Kawerau to trial for sale as a heavy shunter in the mill's rail yards. The mill turned down the offer, instead, they purchased a DA class locomotive to perform shunting duties. In July 1979 DH 905 was trialled at the Te Rapa marshalling yards in Hamilton, but the trial was unsuccessful and the locomotive returned to Auckland later that year. All DH locomotives were allocated to Westfield (Auckland) in 1990.

Classification 
The class should not be confused with the English Electric DH class of 1956; as all of the old DHs had been reclassified as DG in 1968, the classification was re-used.

Upgrades 

The locomotives were upgraded in the late 1990s with shunters refuges at the front and back of the locomotives, in line with other New Zealand shunting locomotives at the time. In the 2010s the class were upgraded again for multiple unit (MU) operation.

Other users

The Hedjaz Jordan Railway has three GE U10B locomotives of  gauge. These are of A1A-A1A wheel arrangement. Another user is the Belgrano Sur Line (Buenos Aires), Argentina.
The Bogotá Savannah Railway has two GE U10B locomotives

References

Footnotes

Citations

Bibliography

 
 
 
 

DH class
Bo-Bo locomotives
Railway locomotives introduced in 1978
General Electric locomotives
Shunting locomotives