Gay-Lussac (surname) is the son of a judge. When he was young, he studied in Ackell University of Technology, where he studied under Bertolay, Gudon Demovo and Volkla. Grusack received special care and encouragement from Berto in this school, and soon he worked with Berthollet's son in a factory where linen was bleached with chlorine. His performance soon proved that he was fully worthy of Berthollet's friendship. In 1802, he proved that all gases expand by the same amount with the increase of temperature. Charlie * made the same discovery a few years before him, but he didn't make it public, so this phenomenon is often called Grusack's law. This is an extremely important discovery, which avogadro used after 10 years to express his long-neglected hypothesis that different gases contain the same number of particles at the same temperature. 1804, the young Grusack and Austria conducted a balloon launch test together, and later he did it himself. These tests are the first balloon lift-off tests for scientific research. On one such flight, Guy Lussac made the balloon reach a height of 4 miles, exceeding the height of the Alps peak. He found that at this height, the composition of the air and the magnetic force of the earth have not changed. At that time, Britain was the pioneer among the European powers in continuing to plan to destroy Napoleon. Britain is also the center of amazing progress in chemistry, thanks to David, who separated many new elements by the action of electricity in 1807 and 1808. In the rise of the French Revolution, the nationalism of the government became quite strong, and they consciously planned to use science to improve the prestige of the country. Napoleon provided money for Guy Lussac and his old friend and colleague Tanner Fisheries * to build a large battery as a huge power source, so that the French could fill the "element blank". This kind of battery proved to be unnecessary. Guy Lussac and Tanayang filled the blank of the element without electricity with an element potassium made by David himself. When they treated boron oxide with potassium, they got boron, which was the first time to get boron in elemental form. They announced the achievement. David is nine days behind them. It was on June 30th that he announced that boron had been isolated independently. Napoleon won a scientific victory, and Guy Lussac was appointed as a professor of physics at the Sorbonne University, and he held the professorship until 1832. Grusack made many more important discoveries. In 1809, he found that when several gases form compounds, they can be expressed as a small integer ratio according to the volume ratio. For example, 2 parts of hydrogen and 1 part of oxidation synthesis water; 1 part hydrogen and 1 part hydrogen chloride; 3 parts of hydrogen and 1 part of nitrified synthetic ammonia. This combination according to the volume ratio is studied, and this achievement includes the help of the versatile Humboldt. This relationship between the volumes of various elements in a compound can be effectively used to determine the atomic weight, just as Bai did. However, Dalton refused to accept Gruzanke's results, insisting that the composition principle can only be used for weight, and the atomic weight measured by Gruzanke is still wrong. Avogadro hypothesis is still used to explain Grusack's law, but this law has been ignored for half a century. Later, Grusack made a series of studies on various cyanides, and finally came to the conclusion that hydrocyanic acid or hydrogen cyanide does not contain oxygen. This study finally proved that acid can be anaerobic, or at least proved that lavoisier was wrong in this respect (accordingly, people came to the conclusion that the main component of acid is hydrogen). Guy Lussac further studied iodine discovered by Kutuva * and proved that it is a new element. He added a new technology to the arsenal of analytical chemists, that is, the application and titration of alkali (in strict accordance with Thenardier's analysis technology, the elemental composition of sugar was first determined. 183 1 year, grusack was elected as a member of the French house of commons under the regime of Louis Philippe's organ newspaper. 1839 re-entered the upper house and spent his old age as a legislator.