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* Sprengel explosives: A very general class incorporating any strong oxidizer and highly reactive fuel, although in practice the name was most commonly applied to mixtures of chlorates and nitroaromatics.
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Sprengel and explosives
Closely related to Sprengel explosives, cheddites consisted of a high proportion of inorganic chlorates mixed with nitroaromatics ( e. g. nitrobenzene or dinitrotoluene ) plus a little paraffin or castor oil as a moderant for the chlorate.
Sprengel explosives are a generic class of materials invented by Hermann Sprengel in the 1870s.
Other Sprengel explosives used at various times include charcoal with liquid oxygen ( an oxyliquit ), " Rackarock ", and ANFO ammonium nitrate ( oxidiser ) mixed with a fuel oil ( fuel ), normally diesel kerosene or nitromethane.
It is a class of Sprengel explosives.
Sprengel and any
Before purchasing any work supposedly by Schwitters, it is best to consult the Kurt Schwitters Archive at the Sprengel Museum in Hannover, Germany.
Sprengel and highly
That tube was evacuated by the highly effective mercury vacuum pump created by Hermann Sprengel.
Sprengel and name
In October 1887, Westcott purported to have written to Anna Sprengel, whose name and address he received through the decoding of the Cipher Manuscripts.
The name of the genus was given as a tribute to Italian botanist Giovanni Zantedeschi ( 1773 – 1846 ) by the German botanist Kurt Sprengel ( 1766 – 1833 ).
Sprengel and was
In 1891, Westcott's correspondence with Anna Sprengel suddenly ceased, and he received word from Germany either that she was dead or that her companions did not approve of the founding of the Order and no further contact was to be made.
They conclude that Edison's version was able to outstrip the others because of a combination of three factors: an effective incandescent material, a higher vacuum than others were able to achieve ( by use of the Sprengel pump ) and a high resistance that made power distribution from a centralized source economically viable.
The disbanded factory area of the former " Sprengel Chocolate Factory " created a lot of newspaper headlines during the late eighties and early nineties because it was occupied by young people, most of them punks.
The pollination process as an interaction between flower and vector was first addressed in the 18th century by Christian Konrad Sprengel.
Later on Christian Konrad Sprengel ( 1793 ) studied plant sexuality and called it the " revealed secret of nature " and for the first time it was understood that the pollination process involved both biotic and abiotic interactions ( Charles Darwin's theories of natural selection utilized this work to promote his idea of evolution ).
On June 4, 2011, Sturtevant received the Golden Lion for lifetime achievement at the 54th Venice Biennale In 2012, she was awarded the Kurt Schwitters Prize for Lifetime Achievement by the Sprengel Museum, Hannover.
It was built by the Swiss stage designer Peter Bissegger and is now on permanent display in the Sprengel Museum in Hanover.
The prize was accompanied by a photo and video retrospective, “ If Not Now, When ?” at the Sprengel Museum in Hanover and NGBK in Berlin.
Darwin was diverted by spending hours considering the variety of wild orchids to be found along the shore, continuing an interest in insect pollination dating back to the late 1830s when on the recommendation of Robert Brown he had read Christian Konrad Sprengel on the subject.
Crookes ( among other researchers ) was able to evacuate his tubes to a lower pressure, 10 < sup >− 6 </ sup > to 5x10 < sup >− 8 </ sup > atm, using an improved Sprengel mercury vacuum pump made by his coworker Charles A. Gimingham.
It was originally placed in the Leptospermum genus by Sprengel in 1819, but Schauer placed it in Agonis in 1844.
Karl or Carl Philipp Sprengel ( March 29, 1787 – April 19, 1859 ) was a German botanist from Schillerslage ( now part of Burgdorf, Hanover ).
Sprengel was the first to formulate the " theory of minimum " in agricultural chemistry, meaning that plant growth is limited by the essential nutrient at the lowest concentration.
Sprengel and most
The Sprengel Museum in Hanover houses one of the most significant collections of modern art in Germany.
Sprengel and chlorates
Sprengel suggested nitric acid, nitrates and chlorates as oxidisers, and nitroaromatics ( e. g. nitrobenzene ) as fuels.
Sprengel and .
The Sprengel Museum shows the art of the 20th century.
The Sprengel Museum in Hanover has a reconstruction of the first room of the ' Merzbau.
In the 19th century, Nikola Tesla designed the apparatus, imaged to the right, that contains a Sprengel Pump to create a high degree of exhaustion.
Sprengel, Professor der Geschichte auf der Universität zu Halle, Berlin, bei Haude und Spener, Dezember 1786, Zusatz 7, S. xxxiii-liv ; supplement to: Historisch-genealogischer Calender oder Jahrbuch der merkwürdigsten neuen Weltbegebenheiten für 1787.
Sprengel museum Hannover, 1999.
* Sprengel, C K. Das entdeckte Geheimnis der Natur im Bau und in der Befruchtung der Blumen.
On 17 November 2000 she became an honorary citizen of Hannover, Germany, and donated 300 pieces of her artwork to the Sprengel Museum.
Liebig's Law of the Minimum, often simply called Liebig's Law or the Law of the Minimum, is a principle developed in agricultural science by Carl Sprengel ( 1828 ) and later popularized by Justus von Liebig.
* Kurt Sprengel publishes Versuch einer pragmatischen Geschichte der Arzneikunde in Halle, the first chronologically complete work on the history of medicine.
* Christian Konrad Sprengel publishes Das entdeckte Geheimnis der Natur im Bau und in der Befruchtung der Blumen in Berlin, pioneering the study of pollination ecology.
Bernhard Sprengel donated his extensive collection of modern art to the city of Hanover in 1969, as well as financially supporting the construction of the museum.
explosives and very
Modern moorings may be anchored by sand screws which look and act very much like oversized screws drilled into the seabed, or by barbed metal beams pounded in ( or even driven in with explosives ) like pilings, or a variety of other non-mass means of getting a grip on the bottom.
As a very general rule, primary explosives are considered to be those compounds that are more sensitive than PETN.
As a practical measure, primary explosives are sufficiently sensitive that they can be reliably initiated with a blow from a hammer ; however, PETN can also usually be initiated in this manner, so this is only a very broad guideline.
The projectile is fired by the burning of the propellant ; small arms projectiles very rarely contain explosives, and such ammunition is banned by the Hague Conventions of 1899 and 1907.
It was very dangerous when used in underground galleries for the toxic gases given off by fires, and was made obsolete by explosives.
As controlled nuclear fusion has proven difficult to use as an energy source, an alternate proposal for producing fusion power has been to detonate nuclear fusion explosives inside very large underground chambers and then using the heat produced, which would be absorbed by a molten salt coolant which would also absorb neutrons.
Since improvised explosives are generally unreliable and very unstable they pose great risk to the public and especially to the EOD Operator, trying to render them safe.
After several postponements due to weather, the operation began on July 25, 1944 with a short, very intensive bombardment with lighter explosives, designed so as not to create greater rubble and craters that would slow Allied progress.
Given the very rapid technological changes underway in propulsion ( from coal to oil, from boilers to turbines ), ordnance ( with better fire directors, and new high explosives ) and armor and emergence of new craft such as destroyers and submarines, Mahan's emphasis on the capital ship and the command of the sea came at an opportune moment.
Compared to other explosives detasheet is very stable.
DuPont ceased manufacturing explosives in the 1990s and the trade mark is now owned by Ensign-Bickford Aerospace and Defense Company, the company now selling a very similar explosive sheet called Primasheet.
The difficulties with implosion centered on the problem of making the chemical explosives deliver a perfectly uniform shock wave upon the plutonium sphere — if it were even slightly asymmetric, the weapon would fizzle ( which would be expensive, messy, and not a very effective military device ).
In this way, even very insensitive explosives may be used ; the primary detonates a " booster " charge that then detonates the main charge.
In the fourth and final act of decommissioning, General de Chastelain reported that he had seen rifles, particularly AK-47s, machine guns, surface-to-air missiles, explosives, explosive material, mortars, flame throwers, hand guns, timer units and ballistic caps, and some weaponry that was " very old ", including a WWII Bren light machine gun.
Old explosives are thus more dangerous ( i. e. liable to be triggered to explode by very small disturbances, even trivial jiggling ) than more recently manufactured explosives.
He says that he got the nickname " Uncle Fester " from his college years, since he was very well known for producing explosives, and blowing things up, like the character in The Addams Family.
The film series also has another character, ' Dynamite Harry ', as the little brother of Benny Frandsen, which is also featured on the Norwegian rendition of the episodes – is the demolition expert ( although his nerves are very easily shaken due to years of having dealt with explosives and alcohol ).
* Army dog handler Keith Burley said that his dogs could smell very small quantities of explosives, and were expected to be used for the event.
The road was constructed without explosives, since it was felt that the slopes are very unstable.
It would be very difficult to provide an absolute scale for sensitivity with respect to the different properties of explosives.
Ironically m4 versions called M96 was one of the biggest issues for the Navy but also one of the most usefully since these could be very useful at harbours, in vans used and on ships for both MOTBON and this abandoned instructor / high training unit-the army has tons of these since they are standard scout platoon equipment just like red-dot sights, m203 grenade launchers, AT4's and military explosives.
The Military Engineering facilities are engaged in the testing of rockets, explosives, new weapon systems, vehicle components and equipment, and house a Non-Metallic Laboratory made of polyurethane foam coated with sprayed gypsum and rubberized plastic used to make very low noise magnetic and low frequency electromagnetic measurements.
Modern caps use different explosives and separate primary and secondary explosive charges, but are generally very similar to the Gardiner and Smith caps.
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