15:29 Jan 19, 2006 |
English to Russian translations [PRO] Science - Physics | |||||||
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| Selected response from: Natalie Poland Local time: 20:52 | ||||||
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4 +4 | ед. твердости по шкале Кобба / Ньтютон |
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scu or n ед. твердости по шкале Кобба / Ньтютон Explanation: SCU = Strong Cobb Units (ед. твердости по шкале Кобба) N = Н = Ньютон Most materials testing is performed using the International System of Units (SI - from Le Systeme International d'Unites). The Newton is the preferred unit of force as is recognised by the SI system. However the kilogram can also be used. Kilogram (kg) - The kilogramme is recognised by the SI system as the primary unit of mass. Newton (N) - The Newton is the SI unit of force and is the unit that should be used for tablet hardness testing. 9.807 Newtons = 1 kilogram. Pound (lb) - Technically a unit of mass but can also be used for force and should be written as pound force or lbf in this case. Sometimes used for tablet strength testing in North America, but it is not an SI unit. 1 kilogram = 2.204 pounds. Some obsolete units that should no longer be used, include: Kilopond (kp) - Not to be confused with a pound. A unit of force also called a kilogram of force. Still used today in some applications, but not recognised by the SI system, making it a bad choice for modern applications. 1 kilopond = 1 kgf. Strong-Cobb (SC) - The Strong-Cobb is a legacy of the first tablet hardness testing machines (see history), it is an arbitrary unit, never recognised by the SI system. 1.4 Strong-Cobs are thought to equal about 1 kg, although this conversion factor has no scientific definition. http://www.engsys.co.uk/pages/testing.htm -------------------------------------------------- Note added at 1 hr 45 mins (2006-01-19 17:15:21 GMT) -------------------------------------------------- Ньютон, разумеется :-) |
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