omniomni/omni-engineering huggingface dataset:
Aerospace General Mini-Copter. 

The Aerospace General Mini-Copter was a miniature helicopter designed to be air-dropped to U.S. military pilots stranded behind enemy lines or in otherwise inaccessible areas.

At its most basic, the Mini-Copter was simply made up of fuel tanks and a rotor unit strapped to the pilot. A slightly more conventional configuration was also developed, with these units attached to a steel framework that also provided a seat for the pilot. In both these versions, power was provided by rocket motors on the rotor tips.

A third variation added a piston engine and pusher propeller to the design, allowing it to fly as an autogyro without the tip rockets once sufficient forward speed had been achieved.

Design work started in 1972, with first flight on 31 March 1973. The three prototype vehicles were tested by the US Navy from late 1974 to 1977, then transferred to the US Army in 1978 for testing under a $409,000 program named "Individual Tactical Air Vehicle".

Specifications

References

 
 
 US Patent 4071206 

1970s United States military rescue aircraft
1970s United States helicopters
Acme School of Stuff. The Acme School of Stuff is a half-hour Canadian children's television show which was broadcast on TVOntario between 1 September 1988 and 1 December 1990. The Acme School of Stuff was hosted by its producer David Stringer. The show primarily consisted of theory of operation on a subject or certain item at the beginning, then a field trip to a plant in the middle and following another theory of operation on some other item or subject at the end. 

Notable features included:
 A Rube Goldberg machine made from devices explained on the show, as an opening scene
 Technical facts presented in a way understandable to school age children in a conversational manner
 Breaking the fourth wall by use of camera and lighting effects, and audible comments by the TV crew

TVO original programming
1988 Canadian television series debuts
1990 Canadian television series endings
1980s Canadian children's television series
1990s Canadian children's television series
Many of the episodes have been uploaded to YouTube under the acmeschool channel.References

https://natlib.govt.nz/records/20741025?search%5Bi%5D%5Bsubject%5D=Electric+apparatus+and+appliances&search%5Bpath%5D=items
Frakes Aviation. 

Frakes Aviation was founded by J. Fred Frakes in the late 1960s, and is located in Cleburne, Texas, United States.  When founded, the company's main activity was converting radial engine powered airplanes to gas turbine engines. The company continued operations in this area of aviation into the mid-1980s, converting various airplanes.

Frakes' most significant projects were the re-engineering of two Grumman products, the Ag-Cat and the Mallard, in both cases replacing the original radial piston engines with the Pratt & Whitney Canada PT6A.

The company also converted a number of Aerospatiale Nord 262 airplanes for Mohawk Airlines (later used by Ransome Airlines, an Allegheny Commuter subsidiary airline) in the late 1970s.  After long usage by Ransome Airlines at least two of these airplanes were exported to Australia where they were used for a short time before being retired.

In the mid-1980s Frakes Aviation saw a need to diversify their business and ventured into aftermarket exhaust systems for PT6 powered aircraft. As the modification business dwindled the exhaust business began to take hold. Frakes Aviation now holds various supplemental type certificates for exhaust systems on several different airframes.

Further diversifying of their business brought them into the OEM market. Frakes Aviation is now the OEM for exhaust stacks on various newly built aircraft, including the Quest Kodiak and the Epic Dynasty.

References

External links
 Company website
 Mallard Aircraft, G-73 certificate holder

Aircraft manufacturers of the United States
Manufacturing companies based in Texas
Nord Aviation N 500 Cadet. The Nord Aviation N 500 Cadet was a single-seat VTOL research aircraft built by Nord Aviation in 1967.

Design and development
A model kit presenting the concept was first shown at the Paris Air Show at Le Bourget in 1965. The aircraft was driven by two ducted fans, with three blades per fan, mounted on short wings that were able to pivot between providing vertical and horizontal thrust.

Two prototypes were constructed, one making its first (tethered) flight in July 1968.

Specifications (N500)

See also

References

 
 Aviafrance

N 500 Cadet
1960s French experimental aircraft
Tilting ducted fan aircraft
Single-engined twin-prop tractor aircraft
High-wing aircraft
Aircraft first flown in 1967
Collins reagent. Collins reagent is the complex of chromium(VI) oxide with pyridine in dichloromethane. This metal-pyridine complex, a red solid, is used to oxidize primary alcohols to the corresponding aldehydes and secondary alcohols to the corresponding ketones. 
This complex is a hygroscopic orange solid.

Synthesis and structure
The complex is produced by treating chromium trioxide with pyridine.  The complex is diamagnetic. According to X-ray crystallography, the complex is 5-coordinate with mutually trans pyridine ligands.  The Cr-O and Cr-N distances are respectively 163 and 215 picometers.

In terms of history, the complex was first produced by Sisler et al.

Reactions
Collins reagent is especially useful for oxidations of acid sensitive compounds. Primary and secondary alcohols are oxidized respectively to aldehydes and ketones in yields of 87-98%.

Like other oxidations by Cr(VI), the stoichiometry of the oxidations is complex because the metal undergoes 3e reduction and the substrate is oxidized by 2 electrons:
3 RCH2OH + 2 CrO3(pyridine)2 → 3 RCHO + 3 H2O + Cr2O3 + 4 pyridine
The reagent is typically used in a sixfold excess. Methylene chloride is the typical solvent, with the solubility of 12.5 g/100 ml.

The application of this reagent to oxidations was discovered by G. I. Poos, G. E. Arth, R. E. Beyler and L.H. Sarett in 1953. It was popularized by J. C. Collins several years later.

Other reagents
 Sarett oxidation
 Oxidation with chromium(VI)-amine complexes
Collins reagent can be used as an alternative to the Jones reagent and pyridinium chlorochromate (PCC) when oxidizing secondary alcohols to ketones. PCC and pyridinium dichromate (PDC) oxidations have largely supplanted Collins oxidation.

Safety and environmental aspects
The solid is flammable.  Generally speaking chromium (VI) compounds are carcinogenic.

References

Oxidizing agents
Chromium(VI) compounds
Nakajima Ki-34. The Nakajima Ki-34 was a Japanese light transport of World War II. It was a twin-engine, low-wing monoplane; the undercarriage was of tailwheel type with retractable main units. During the Pacific War, the Allies assigned the type the reporting name Thora.

Design and development
The Ki-34 was originally designed as a civil transport. Nakajima Aircraft Company, which had the license-production rights to the Douglas DC-2, began design work in 1935 on a smaller twin engine airliner for routes which did not have the capacity to justify use of the larger DC-2. The initial design was designated AT-1, and after numerous design iterations, flew as a prototype designated AT-2 on 12 September 1936. The design was all metal, except for the flight control surfaces, which were plywood. The wings used a multi-cell cantilever design. The prototype was fitted with  Nakajima Kotobuki 2-1 radial engines with fixed pitch wooden propellers, which were replaced in production models with Kotobuki-41  nine-cylinder radial engines, with variable pitch metal propellers.

Operational history

Civil use (AT-2)
A total of 32 AT-2s were produced for Imperial Japanese Airways (Dai Nippon Koku KK) and Manchukuo National Airways, operating on scheduled routes between Tokyo and Xinjing, Tokyo and Tianjin, and within Manchukuo. These aircraft remained in operational service until the surrender of Japan in August 1945.

Military history (Ki-34 and L1N1)

With a high demand for increased military transport capability after the start of the Second Sino-Japanese War in 1937, the Imperial Japanese Army adapted the AT-2 design for military use by fitting with more powerful Nakajima Ha-1b radial engines and re-designating the aircraft as the Army Type 97 Transport and Ki-34. The initial 19 aircraft were produced by Nakajima Aircraft, and another 299 aircraft were subsequently produced by the Army-affiliated Tachikawa Hikoki K.K. The final airframe was delivered in 1942.

In operational service, the Ki-34 was used as a utility aircraft for liaison and communications duties, and for paratrooper training and Special Forces operations.

At a later date, some aircraft were transferred to the Imperial Japanese Navy, where they were known as the Navy Type AT-2 Transport or Nakajima L1N1. Several were also transferred to the air force of the Japanese puppet state of China-Nanjing in 1942.

Operators

Military operators
 China-Nanjing
Nanjing Air Force

 Imperial Japanese Army Air Force
 Imperial Japanese Navy Air Service

Civil operators

 Imperial Japanese Airways (Dai Nippon Koku KK)

 Manchukuo National Airways

Mongolian People's Army Aviation operated more than 12 captured aircraft since in late September 1945.

Specifications (Ki-34)

Notes

Bibliography
  (new edition 1987 by Putnam Aeronautical Books, .)

External links

 Warbirds Resource Group

Ki-34, Nakajima
Ki-34, Nakajima
Ki-034
Low-wing aircraft
Aircraft first flown in 1936
Twin piston-engined tractor aircraft
Aircraft with retractable conventional landing gear
Building diagnostics. Building diagnostics is the process of determining the causes and solutions to problems in buildings. More specifically, building diagnostics are holistic process of data collection methods and techniques regarding inspection and analysis, and of prediction of faults/abnormality/defects in the condition, internal environment and performance of a building or structure, extending to services offered in the building. The three main types include commissioning, monitoring, and investigation diagnostics. This process can be carried out unaided (using naked eye) but often aided by advanced technology such as infrared thermography, ultrasound, radar, vibration, and lasers.  The end product of building diagnostics is a prediction of the likely causes of the found defects/faults in building and suggestion of appropriate remedial building solutions.

As part of a property condition assessment or home inspection building diagnostics is not an exact science and is subjective. Very often, final professional judgment is required. It is important that this final judgment can only be made after careful diagnostic process has been properly performed. Otherwise the prediction can only be regarded as a guess.

Practitioners of building diagnostics are called building diagnosticians who are equipped with the specialist knowledge and skills required.

See also
Building science

References

Building materials
Building defects
Nakajima Type 91 fighter. The Nakajima Type 91 fighter was a Japanese fighter aircraft of the 1930s. It was a single-engine, single-seat parasol monoplane with a fixed, tailskid undercarriage.

Development
Designed in response to an Imperial Japanese Army requirement of 1927, the Type 91 was developed from the NC series of fighter prototypes. The prototype was the sixth machine under that designation but was a fundamentally distinct airframe design. Compared to the earlier NC, the Type 91 had a smaller wing, relocated fuel tank and wing-bracing struts, Townend ring-type cowling, new design tail and undercarriage. It first flew in 1931.

Operational history
The Army ordered the new aircraft as the Nakajima Army Type 91 fighter and the first deliveries took place late in 1931. However, issues arose with both directional stability and centre of gravity, with the result that the type was delayed entering service.

Between 1931 and 1934, 420 aircraft were constructed (including 100 by Ishikawajima; 23 of the total were Type 91-2, powered by a 432 kW (580 hp) Nakajima Kotobuki 2 radial engine. This version first flew in July 1934.

The type was supplanted in service by the Kawasaki Army Type 95 fighter in 1936–1937.

Variants
Nakajima NC
Prototype and pre-series version, powered by 336 kW (450 hp) Bristol Jupiter radial engine, having a top speed of 268 km/h and larger wing. 8 built.
Nakajima Army Type 91-1 fighter
Main production version, powered by 336 kW - 390 kW (450 hp - 520 hp) Nakajima built Bristol Jupiter radial engine.
Nakajima Army Type 91-2 fighter
Improved version, powered by Nakajima Kotobuki. 21 built.

Operators

The Chinese Nationalist Air Force purchased 12 Type 91-1 fighters which would later end up fighting against the Japanese during the Second Sino-Japanese War.

Imperial Japanese Army Air Force

Manchukuo Imperial Air Force

Surviving aircraft

The Tokorozawa Aviation Museum in Tokorozawa, Saitama has a fuselage on display. Also, at a gate of Yanagisawa Shrine in Yamatokōriyama in Nara Prefecture there is a propeller preserved.

Specifications (Nakajima Army Type 91-1 fighter)

References

Bibliography

Type 91
Type 91, Nakajima
Parasol-wing aircraft
Single-engined tractor aircraft
Aeration turbine. Aeration turbines are designed to aerate and mix fluids industrially.  They are foremost used in brewing, pond aeration and sewage treatment plants.

Aeration turbines are designed for mixing gases, usually air, with a liquid, usually water. They can serve additional purposes like destratification, agitator or pump.

There are numerous design variations in use or newly entering the market.  Most are centrifugal, where fluid enters at the axis and exits around the perimeter of the rotor. Aeration turbines can run open or in a housing.  Some designs have bladed rotors which leads to more splashing and those need to run close to the surface, which is an obvious sign of lesser efficiency.

Generally the performance efficiency of aeration turbines is very high, the space requirement is compact, both at high reliability and all those factors reduce operational cost.

The use of aeration turbines in industry is still underdeveloped especially with waste water treatment.  With raising population and the growing strain on clean water supplies such environmentally friendly solutions are becoming more important.

The technology allows a more decentralized approach to waste water treatment as sewage can be oxygenised at pumping stations for bacteria to start breaking down the sewage before it even arrives at centralized processing plants.
 
Aeration turbines are more and more entering industry because of their significantly higher efficiency and reduced size of used gear compared to other methods of aeration. This means less investment into process infrastructure and substantial savings to both the overall cost but foremost running cost for electricity.

Reference List 

Centrifuges
Jib (disambiguation). Jib is a triangular sail at the front of a sailing boat.

Jib or JIB may also refer to:

Mechanical
 Jib (crane) or jib arm, the horizontal or near-horizontal beam used in many types of crane
 Jib (camera), a boom device with a camera on one end
 Jib door, a concealed door, whose surface reflects the moldings and finishes of the wall

Businesses and organizations
 Joint Intelligence Bureau, a former British intelligence agency
 Japan International Broadcasting Inc., a Japanese broadcasting organization
 JIB TV, part of NHK General TV, a Japanese television company
 Jong Islamieten Bond, a former Indonesian youth organization 
 Jordan Investment Board, now Jordan Investment Commission, the national investment promotion agency of Jordan

Places
 Hajib, Iran, also known as Jīb, a village in Qazvin Province, Iran
 Al Jib or al-Jib (Arabic: الجيب),  a Palestinian village in the Jerusalem Governorate
 Jib Tunnel, entrance to a cave system in North Yorkshire, England
 Djibouti–Ambouli International Airport, IATA code JIB

Other uses
 Jib, or Grind (sport), a term in winter sports
 Jejunoileal bypass, a surgical weight-loss procedure
 Pongpet Thongklet (born 1995), known as Jib, a Thai footballer
 Plateau United F.C., formerly JIB Strikers F.C., Nigerian football club
 Jib, the character from the board game Candy Land

See also
Gib (disambiguation)
Gibb, a given name and surname
Gibbs (disambiguation)
JIBS (disambiguation)
 Jibbs (born 1990), Jovan Campbell, an American rapper
Ho Chi Minh City University of Agriculture and Forestry. Nong Lam University () is a comprehensive university in Thủ Đức, Ho Chi Minh City, Vietnam. The university offers 46 majors, such as: Agronomy, Agricultural Engineering, Forestry, Animal Sciences Fisheries, Food Technology, Environmental Science, Foreign Languages, Biological Technology, Economics, and IT, providing both graduate and postgraduate programs.

Faculties
 Faculty of Agriculture
 Faculty of Veterinary Breeding
 Faculty of Forestry
 Faculty of Economics
 Faculty of Engineering and Technology
 Faculty of Fishery
 Faculty of Food Technology
 Faculty of Sciences
 Faculty of Foreign Languages
 Faculty of Environment Technology
 Faculty of Information Technology
 Faculty of Land and Real Estate
 Faculty of Biological Sciences

Departments
 Department of Politics
 Department of Chemistry Technology
 Department of BioTechnology
 Department of Technical Education

External links
 

Universities in Ho Chi Minh City
Agriculture in Vietnam
1955 establishments in Vietnam
Universities and colleges established in 1955
Synthetics (Odyssey 5). The Synthetics are a fictional robotic species that appear in the TV show Odyssey 5.

Sentients
The Sentients are an inorganic artificial form of life that feed on information and exist almost entirely in the Internet. They are unable to interact with the physical universe and must produce human appearing avatars known as Synthetics. The sentients are not limited to this form but are also capable of taking more advanced constructs as was the case where one Sentient had 'possessed' an entire building and was capable of reconstructing it. They have personalities and various goals with one Sentient even being described as 'insane'.

Synthetics
The Synthetics, or 'Synths', are human-like artificial bodies created by the sentients in order to interact with the human world. Synthetics are programmed, but each has an individual personality, though they are all connected to one another through a form of hive mind. Furthermore, a notable feature that distinguishes them from humans is that they are cold blooded, which allows them to be detected by thermal imaging technology. Synthetic bodies are faster, stronger and far more difficult to kill than humans.

Background
The Sentients are an advanced race though one that is hidden from the world. They make use of numerous experiments on the human populace such as the use of nanites to create a virus that turns a human into a synthetic.

They possess numerous enemies such as the secretive Cadre that seeks to destroy them as well as the crew of the Odyssey 5 who have been sent back in time to prevent the disaster that destroyed the planet.

External links
http://www.mania.com/53050.html
http://members.fortunecity.com/akasha77/odyssey5.html
http://www.loony-archivist.com/o5/o5.htm

Fictional robots
L. Jean Camp. Linda Jean Camp is an American computer scientist whose research concerns information security, with a focus on human-centered design, autonomy, and safety. She has also made important contributions to risk communication, internet governance, and the economics of security. She is a professor of informatics in the Luddy School of Informatics, Computing, and Engineering at Indiana University Bloomington, where she directs the Center for Security and Privacy in Informatics, Computing, and Engineering.

Education and career
Camp earned a double bachelor's degree in mathematics and electrical engineering from the University of North Carolina in 1989, also working as a nuclear power engineer in the last year of her studies. She continued at the University of North Carolina for a master's degree in electrical engineering, supported as a Patricia Harris Fellow in the university's Optical Interconnects & Computer Generated Holography Laboratory. Next, she went to Carnegie Mellon University for graduate study in engineering and public policy, completing a Ph.D. there in 1996 with the dissertation Privacy & Reliability in Internet Commerce.

After a year of research at Sandia National Laboratories, she became an assistant professor and later associate professor in the Harvard Kennedy School from 1997 to 2004. She moved to Indiana University in 2004, and was promoted to full professor in 2011, after a year on leave as an IEEE Congressional Fellow in the office of North Carolina representative Bob Etheridge.

Books
Camp is the author or editor of:
 Trust and Risk in Internet Commerce (MIT Press, 2000)
 Economics of Identity Theft: Avoidance, Causes and Possible Cures (Springer, 2007)
 Economics of Information Security (edited with Stephen Lewis, Kluwer, 2006)

Recognition
Camp was elected as a Fellow of the American Association for the Advancement of Science in 2017, "for substantial contributions to the economics of information security, online risk communication, and human-centered computer security and privacy, including for populations often excluded in system design". She was elected as an IEEE Fellow in the 2018 class of fellows, "for research in human-centered risk and security". She was named a 2021 ACM Fellow, "for contributions to computer security and e-crime measures".

References

External links
Home page

Year of birth missing (living people)
Living people
American computer scientists
American women computer scientists
University of North Carolina alumni
Carnegie Mellon University alumni
Sandia National Laboratories people
Harvard Kennedy School faculty
Indiana University Bloomington faculty
Fellows of the American Association for the Advancement of Science
2021 fellows of the Association for Computing Machinery
Fellows of the IEEE
Accele Brid. is a shooter game released by Tomy in 1993 for the Super Famicom.

Summary
Players progress through the game as a robot racing through a pipe, shooting everything that moves. The robot can shoot from both arms, jump, kick and punch. There are also power-ups and bonuses that can be collected to upgrade the robot's weapons and armor.

There are three different types of robots to choose from: Silver Mare, Beliws, and Nitika. Weapons are chosen before each stage. Three difficulty levels can be chosen; ranging from easy, medium, and hard.

Reception 

Accele Brid received ratings of 6/10, 3/10, 5/10 and 3/10 in the December 3rd issue of Famitsu. Famitsu reviewers praised the 3D effect produced on the SNES and the smooth scrolling, but criticized the hit detection and the game's high level of difficulty.

References

External links
Accele Brid at MobyGames

1993 video games
Action games
Genki (company) games
Japan-exclusive video games
Science fiction video games
Scrolling shooters
Super Nintendo Entertainment System games
Super Nintendo Entertainment System-only games
Tomy games
Video games about mecha
Video games developed in Japan