Monday, April 15, 2013

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1665, Leeuwenhoek, the Netherlands and the United Kingdom Hu Keming microscope. In 1698, the United Kingdom Savery made the first practical steam engine for pumping mine - Friends of miners. christian louboutin uk to create steam for power first. In 1701, the UK Newton Newton's law of cooling of the convective heat transfer. In 1705, the British Newcomen Ming atmospheric piston steam engine, replacing the Savery steam engine. Power up to six horsepower. 1709 to 1714, Germany Hua Tuo Hite has Ming alcohol thermometer and mercury thermometer, and the creation of the freezing point of water is 32 degrees, the boiling point of 212 degrees, the middle is divided into 180 degrees Fahrenheit. From 1713 to 1735, the United Kingdom Dabi Ming ironmaking coke. In 1735, the son of Darby coke ironmaking technology for production.

In 1738, Switzerland's Daniel first - Bernoulli establish the non-viscous fluid energy equation - Bernoulli equation.christian louboutin outlet, 1742 to 1745, the Swedish camera Anglesey ust founded the freezing point of water is 100 degrees, the boiling point of 0 degrees temperature scale. In 1745, the Swedish Linnaeus two fixed points reversed, that is the Celsius temperature scale. Mid-18th century, Lavoisier, French and Russian Lomonosov burning material oxidation theory. In 1755, Euler, Switzerland, the viscous fluid equations of motion - Euler equation Michael Kors handbags. 1764, UK Hargreaves Ming vertical, multi-spindle, manually operated spinning jenny machines. In 1769, the British Watts achieved with a separate utility condenser patent, thus completing the Ming of the steam engine. This steam engine in 1776 after put into operation, the thermal efficiency of 2 to 4%.

1772 to 1794, British Vallo and Vaughan has Ming ball bearings. In 1774, the UK Wilkinson more sophisticated barrel boring, this is the first true machine - machine processing machines. louboutin uk successfully used for processing the cylinder block, the Watt steam can be put into operation. In 1785, France Coulomb mechanical engagement concept to explain dry friction times put forward the theory of friction. UK power looms, handicrafts and handicraft workshop transition to large-scale machine industry. In 1786, the United Kingdom Xi Ziming the ear cutting machine. In 1787, the United Kingdom Wilkinson built an iron ship. In 1789, France put forward the concept of metric times. 1790 the chain single track, the UK sewing footwear used hand sewing machine, which is the world's first sewing machine.

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