英语演讲之人物介绍

1、 stockholm at noon local time 5, 2016 nobel prize in chemistry in the royal swedish academy of sciences, jean - pierre - louise sauvage, j. fraser stoddart jazz and bernard - l - fehling plus three scientists to share the prize, for their study in terms of synthetic molecular machines. french chemis

2、t jean - pierre louise sauvage, british chemist sir j - fraser - stoddart, dutch chemist bernard - l - fehling jointly won the 2016 nobel prize in chemistry, winning the reason is that design and synthesis of the molecular machines. they invented the worlds smallest machine, synthesize molecules tog

3、ether to make it a tiny motor and transmission device, the machine than the one in 1000 of a human hair. 1991 sir stoddart, the second step. he break out the rotaxanes. he will ring coil in a very fine molecules on the shaft, showed that molecular ring can move along axis of molecules. his experimen

4、t based on rotavirus compounds, including molecular crane, molecules and molecular level of computer chips. jean - pierre - louise sauvage as early as in 1983 made the first step of molecular machines. he was successfully connect ring molecules into chain, called hydrocarbon. molecules, generally sp

5、eaking, there are strong covalent bond together, the atoms in a covalent bond share electrons, but in the chain molecules are more liberal machine link together. can a machine can perform tasks must contain relatively moving parts. the two interlocked rings just in this condition is satisfied. bernard - l - fehling was the first person who made the molecular motor. in 1999, he got a can along a direction for rotating blade molecular motors. he can use a molecular motor rotate a glass cylinde