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Demonstrator Unit
A demonstrator may be: * A person performing a demonstration, such as to explain science or technology * A person demonstrating a product for sale live or in an infomercial * An attendee at a political rally * An academic rank * A vehicle adapted to emergency service specification, and issued to locations for use as a prospective emergency vehicle if adopted to that workforce either police, ambulance or fire. * A fountain pen A fountain pen is a writing instrument which uses a metal nib to apply a water-based ink to paper. It is distinguished from earlier dip pens by using an internal reservoir to hold ink, eliminating the need to repeatedly dip the pen in an inkw ... with a transparent body originally used so dealers could show customers how they worked. See Demonstrator pen * ''Demonstrator'' (film) {{disambig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scientific Demonstration
A scientific demonstration is a procedure carried out for the purposes of demonstrating scientific principles, rather than for hypothesis testing or knowledge gathering (although they may originally have been carried out for these purposes). Most scientific demonstrations are simple laboratory demonstrations intended to demonstrate physical principles, often in a surprising or entertaining way. They are carried out in schools and universities, and sometimes in public demonstrations in popular science lectures and TV programs aimed at the general public. Many scientific demonstrations are chosen for their combination of educational merit and entertainment value, which is often provided by dramatic phenomena such as explosions. Public scientific demonstrations were a common occurrence in the Age of Enlightenment, and have long been a feature of the British Royal Institution Christmas Lectures, which date back to 1825. In the television era, scientific demonstrations have featured i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Product Demonstration
In marketing, a product demonstration (or ''"demo"'' for short) is a promotion where a product is demonstrated to potential customers. The goal is to introduce customers to the product in hopes of getting them to purchase that item. Products offered as samples during these demonstrations may include new products, new versions of existing products or products that have been recently introduced to a new commercial marketplace. Product demonstration enhances the quality of the sales presentation by providing a visual support. It is provided to be effective way to address the prospect 's specific product-related concerns. In-store In-store demonstrations are usually performed at large retail locations, such as supermarkets, department or discount stores, or in shopping malls. The products that are promoted at in-store demonstrations may be food and beverages, food preparation equipment, housekeeping products, personal care items, or occasionally other types of goods. The samples tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Demonstration (people)
A political demonstration is an action by a mass group or collection of groups of people in favor of a political or other cause or people partaking in a protest against a cause of concern; it often consists of walking in a mass march formation and either beginning with or meeting at a designated endpoint, or rally, in order to hear speakers. It is different from mass meeting. Actions such as blockades and sit-ins may also be referred to as demonstrations. Demonstrations can be nonviolent or violent (usually referred to by participants as " militant"), or can begin as nonviolent and turn violent depending on the circumstances. Sometimes riot police or other forms of law enforcement become involved. In some cases, this may be in order to try to prevent the protest from taking place at all. In other cases, it may be to prevent clashes between rival groups, or to prevent a demonstration from spreading and turning into a riot. History The term has been in use since the mid-19th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Academic Ranks
Academic rank (also scientific rank) is the rank of a scientist or teacher in a college, high school, university or research establishment. The academic ranks indicate relative importance and power of individuals in academia. The academic ranks are specific for each country, there is no worldwide-unified ranking system. Among the common ranks are professor, associate professor (docent), assistant professor and instructor. In most cases, the academic rank is automatically attached to a person at the time of employment in a position with the same name, and deprived when a working relation is expired. Therefore the term "academic rank" usually means the same as "position in academia". However in some countries the terms "position" and "academic rank" are not synonyms. So in modern Russia there exist the docent and professor ranks, whereas the set of positions in academia is broader. The academic rank is conferred only after the person has been successfully working in the docent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emergency Vehicle
An emergency vehicle is a vehicle used by emergency services. Emergency vehicles typically have specialized emergency lighting and vehicle equipment that allow emergency services to reach calls for service in a timely manner, transport equipment and resources, or perform their tasks efficiently. Emergency vehicles are usually operated by authorized government agencies, but some may also be operated by private entities where permitted by law. Emergency vehicles are usually given right of way in traffic, and may be exempted from certain basic road laws to reach their destinations in the fastest possible time, such as driving through a red traffic light or exceeding the speed limit; however, this is almost always done with emergency lights and sirens on, to alert traffic that the emergency vehicle is approaching. In some jurisdictions, the driver of an emergency vehicle can face legal action if the driver shows "reckless disregard for the safety of others". Types There are many types ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fountain Pen
A fountain pen is a writing instrument which uses a metal nib to apply a water-based ink to paper. It is distinguished from earlier dip pens by using an internal reservoir to hold ink, eliminating the need to repeatedly dip the pen in an inkwell during use. The pen draws ink from the reservoir through a feed to the nib and deposits the ink on paper via a combination of gravity and capillary action. Filling the reservoir with ink may be achieved manually, via the use of an eyedropper or syringe, or via an internal filling mechanism which creates suction (for example, through a piston mechanism) or a vacuum to transfer ink directly through the nib into the reservoir. Some pens employ removable reservoirs in the form of pre-filled ink cartridges. History Early prototypes of reservoir pens According to Qadi al-Nu'man al-Tamimi (d. 974) in his ''Kitab al-Majalis wa 'l-musayarat'', the Fatimid caliph Al-Mu'izz li-Din Allah in Arab Egypt demanded a pen that would not stain his h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Demonstrator Pen
Demonstrator pens are pens which are partially or mostly transparent. Demonstrator pens were originally furnished by manufacturers to dealers, so that the features of their products could be shown to potential buyers. The first demonstrators had openings cut in their barrels, and usually, their caps. These would typically allow direct viewing of the filling mechanism and the section-inner cap junction, respectively. Cutaway demonstrators were usually not fully functional pens, and many were furnished without nibs or with nonfunctional dummy nibs. The first transparent demonstrator pens were probably Parker's Bakelite-barreled eyedropper-fillers, which were soon made a regular production model. Most transparent demonstrators, however, postdate the general adoption of celluloid for fountain pen manufacture. Parker and Sheaffer both made fully transparent versions of their best-selling Duofold and Balance models in the early 1930s. Other demonstrators were only partially transpar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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