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Ultrasonic wave nebulizers were invented in 1965 [16] as a new type of portable nebulizer. The technology inside an ultrasonic wave nebulizer is to have an electronic oscillator generate a high frequency ultrasonic wave, which causes the mechanical vibration of a piezoelectric element.
Malted milk invented and marketed in England by James Horlick, and in 1873 started the J & W Horlicks company with his brother in Chicago. The first US patent for malted milk mixing powder was granted them in 1883. [110] Beverages England 1875 Milk chocolate in solid form invented by Swiss chocolatier Daniel Peter (initially meant for making a ...
The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
500 BC – The moldboard iron plough is invented in China; 500 BC – Row cultivation of crops using intensive hoeing to weed and conserve moisture practised in China; 300 BC – Efficient trace harness for plowing invented in China; 200 BC – Efficient collar harness for plowing invented in China; 100 BC – Rotary winnowing fan invented in China
The first nebulizer was invented and designed by Sales-Girons in 1858. The first dry powder inhaler was invented by Newton in 1864. And finaly the pressurized Metered Dose Inhaler (pMDI) only was launched in March 1956 as the last type of inhaler. For the treatment of asthma all the 6 type of inhalers have historicaly been used (at least to ...
Food technology is a branch of food science that addresses the production, preservation, quality control and research and development of food products. It may also be understood as the science of ensuring that a society is food secure and has access to safe food that meets quality standards.
1994 – The United States Food and Drug Administration approves the first GM food: the "Flavr Savr" tomato. 1997 – British scientists, led by Ian Wilmut from the Roslin Institute, report cloning Dolly the sheep using DNA from two adult sheep cells. 1999 – Discovery of the gene responsible for developing cystic fibrosis.
1771: Carl Scheele (1742–1786) makes "fire air" (oxygen) by heating magnesium oxide.His findings are published in June 1774. 1774: Joseph Priestley (1733–1804), credited with the discovery of oxygen, publishes his work on "dephlogisticated air" oxygen 3 months after a report by Carl Scheele.