According to the official website of the University of Manchester on the 20th reported that the school scientists developed the world's first "molecular robot" that can receive chemical instructions and complete the assembly of molecules and other basic tasks, the future can be used for research and development of drugs, the design of advanced manufacturing technology and build molecular assembly Line and molecular factory. In his paper published in Nature, a team led by Professor David Ray of the Faculty of Chemistry at the University of Manchester introduced that a total of 150 atoms, such as carbon, hydrogen, oxygen and nitrogen, are only about a millionth of a millimeter in size, Ten billion such robots pile up, only a salt so big. But such a tiny molecular robot, but it has a robot arm, able to manipulate a single molecule according to the instructions, with the robot arm to build molecular products. Although the construction of such molecular robots is extremely complex, the technology used by Ray's team is based on simple chemical reactions. The scientific principles are all about atomic-molecular interactions and how small molecules build chemistry such as macromolecules. Ray explained that all matter is made of molecules, and that the basic units of atoms are atoms, much like the process of making a LEGO robot, except that it is replaced by atoms this time, in the same way as synthetic processes like pharmaceuticals and plastics. The accepted instructions are chemical reactions in specific solutions. The scientists send different chemical instructions to molecular robots by manipulating and programming different chemical reactions. The robot reacts to these instructions and performs some basic tasks. "Once the molecular robots have been synthesized, scientists send chemical instructions to them through chemical reactions, telling computer programs what they need to do at any given time." Similar to the robot assembly of car body parts on a car assembly line, molecular robots can assemble and immobilize molecular assemblies in different ways to create different molecular products. And because of their small size, these molecular robots have many advantages, which can reduce material requirements, speed drug development, reduce energy consumption and promote product miniaturization. Therefore, it is expected to bring exciting applications in many fields in the future. Industrial Double Needle Sewing Machine
Double Needle Sewing Machine and single needle are mainly used for sewing clothes. Difference between double needle and Single Needle Sewing Machine:
Single needle sewing machine is also called flat bed sewing machine. Double needle sewing machine with only one track line at a time, which has two uniform tracks at a time.
Double needle sewing machine, as the name implies, has two stitches of sewing machine, the effect is double thread parallel sewing. There are less double stitches in a pair of trousers than in flat bed single needle. Therefore, in the workshop, the matching of flat bed single needle and double needle is about 5:1, but it is also necessary.
Although flat cars can sometimes replace double needles, no one will be stupid enough to do double needle work with flat bed in mass production, unless it is a small amount of production. Double needle is efficient and double threads are parallel and neat.
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