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Made in Canada (French: Fabriqué au Canada) and Product of Canada (Produit du Canada) are certification marks designating a claim that Canada is the country of origin of a good. A product label for that good may use these marks, or a qualified version, to present that claim to consumers.
REL owes its existence to the demands of General Andrew McNaughton, who was concerned about a lack of optical equipment after the Canadian experience in World War I.. In August 1939, General Andrew McNaughton, President of the National Research Council (NRC), asked the head of the NRC's Optics Section, Leslie E. Howlett, to prepare a report on how to set up an optics industry in Canada.
Tweezers come in a variety of tip shapes and sizes. [4] Blunt tip tweezers have a rounded end which can be used when a pointed object may get entangled, when manipulating cotton swabs, for example. Flat tip tweezers, pictured at right, have an angled tip which may be used for removing splinters. Some tweezers have a long needle-like tip which ...
By patterning the surface with gold microscopic islands it is possible to have selective and parallel trapping in these islands. The forces of the latter optical tweezers lie in the femtonewton range. [72] The evanescent field can also be used to trap cold atoms and molecules near the surface of an optical waveguide or optical nanofiber. [73] [74]
Molecular tweezers, and molecular clips, are host molecules with open cavities capable of binding guest molecules. [3] The open cavity of the molecular tweezers may bind guests using non-covalent bonding, which includes hydrogen bonding , metal coordination , hydrophobic forces , van der Waals forces , π–π interactions , and/or ...
In August 1887, he moved the company to Fremont, Ohio, to be near an accessible, abundant supply of natural gas which had recently been discovered. [2] The gas was ideally suited to fuel the furnaces for the company's forges and foundry. Clauss erected a two-stories-high plant at the corner of North Buchanan Street and Pine Street. Within one ...
An advertisement for a Birks-Ellis-Ryrie Jewellers in Toronto, c. 1920. Birks Group traces its origins to the opening by Henry Birks of a small jewellery shop in Montreal in 1879. [2] With an investment of CAD$3,000, Henry Birks opened in 1879 a small jewellery shop on Saint James Street in the heart of Montreal's financial and commercial district.
A magnetic tweezers apparatus consists of magnetic micro-particles, which can be manipulated with the help of an external magnetic field. The position of the magnetic particles is then determined by a microscopic objective with a camera. Typical configuration for magnetic tweezers; only the experimental volume is shown.
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