Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

Abstract: Chemical Structural Formula(CSF) recognition plays an important role in the molecular design and component retrieval. However, sketch-based CSF recognition remains an obstacle in current ...

Abstract: Currently, patent documents contain graphic images of device drawings, graphs, chemical and mathematical formulas, and the formulas often need to be recognized and brought to a unified ...

The formula of any alkane can be worked out using the general formula C n H 2n+2 where n = the number of carbon atoms.