How to publish a scientific paper?

This is a platform where we got ideas from wide range of researchers. One of the challenge in science is how to publish your work. It has been observed that some researchers have depth knowledge in their field and working hard from number of years, despite all hard work they are unable to publish papers. Though satisfaction is important but research publication is also important. This way your research reach to your target audience. I would appreciate if you advice how to publish paper in scientific journals. Please write problems you are facing in publishing your research, it is possible that some of experienced researchers may provide solution to your problems. Experts' are requested to give their advice on this subject.