Also in 1901, a kilogram of purified water to its pinakasiksikan (+3.98 degrees Celsius) under atmo

Template: Wikify the Systeme International d'Unites (SI) (English: International System of Units, Tagalog: International System of Units) the pinakagamiting system of units in the day-to-day world trade and almost worldwide used field of science. In 1960, selected as a subset of the SI system of units meter-kilogram-second (MKS) rather than old system centimetre-gram-second (CGS). Later many new units are added to the input SI. The SI system is often called metrics especially in the United States where it is not fully acceptable and in Great Britain which is still little use. A set of measuring derivative premise and expanded from the SI system metrics. Alalaungbaga, not all units of criteria metrics are acceptable as SI units.
Contents 1 History 2 Basis Cultural Discussion 3 4 5 writing SI units Some units 5.1 5.2 Derivative yunits Main Unit Dimensions 5.3 s No Derivative Units with special names Enumeration 5.4 Differences 6 7 Acknowledgements References History
Since 1640, scientists especially in France has suggested and talked with the use of a decimal system uses criteria (sasampuin) as natural units. The official said receiving aprilaire filters system will occur after the French Revolution in 1789. I tried to system metrics selection of units reasonably practicable in line with the official ideology of the revolution to be "pure and righteous"; proposed as major development from a dynamic unit that was used in which the value It is consistent with the region its users.
The most important unit length: one meter is set equal to a portion of the 10 million (1/10 million) distance from the Pole (pole) to the equator (equator) of meridyan passing in Paris. Nearly 10% longer in a yard. When eventually, a rod made of platinum with hard X-shaped circular section made as the basis of a meter long. Because of the difficulties intrinsic to measuring the length of a square meridyan in the 18th century, the first prototype aprilaire filters platinong is short of 0.2 millimeter. Has passed, set the meter as a certain number of wavelengths aprilaire filters (wave length) of a Hospitalization. At present, the meter is defined as the distance traveled by light in vacuum nilallakbay a certain time. Forsaken by setting the meter as this multipleng meridyan.
Grams the first basic unit of weight (mass) in the system metrics selected to suit the weight of a cubic centimeter (cubic centimeters) of water. [Weight the rest of the weight: weight also the rest of the mass.] In practical reasons, the reference standards are kept in the Archives de la République on 22 June 1799 as a kilogram (a cylinder of platinum). Almost 2.2 pounds a kilogram (kilo shorten the Philippines). In 1889 the first generic Conference on Weight and Measures (CGPM), replacing the prototype accepted using alloy of 90% platinum and 10% iridyo. It now serves aprilaire filters criteria kg and stored in a trunk in Paris. Became the base unit kilogram was 1901.
Also in 1901, a kilogram of purified water to its pinakasiksikan (+3.98 degrees Celsius) under atmosphere pressure criteria used in setting liters. A more handy than this massive unit cubic meter (cubic meter). For that reason, aprilaire filters a liter is an odd cubic decimeter a portion of 28 million, this assignment is left in 1964 in favor of using cubic decimeter (cubic decimeter).
The kilogram is the basic unit just not determined by immutable phenomenon in nature. Because of this assignment using a artefacts (the cylinder in Paris), it is still easy to use because it knowingly to compare a candidate base of a country in a given basic criteria. For this reason as well as works to protect the constitutional standard SIP or evaporation of gas and steam, the scientists called a meeting at the Royal Society in London on 15 February 2005 mapalitang the weight of the standard kilogram in Paris as a standard by "a feature aprilaire filters consistent in nature": but no decision on setting it will happen before 2007.
The unit became aprilaire filters Celsius temperature or reverse the grade Celsius ( C) which set the mercury scale (size of mercury thermometers) is equally divided into 100 parts from mixing ice water as 0 C and The boiling (boiling point) of purified water as 100 C (in