The length of an article paragraph varies significantly according to text type, but should normally consist of 1-2 sentences.

An article paragraph should generally have the following structure:

Topic sentence

Supporting information, 

Reason,

Extra Information. 

The sections of an article may be given different names in the house rules of different organisations,  but include:

As you consider the purpose and scope of your composition, and assemble information and ideas, it is a good idea to spread key words, phrases and sentences over a sheet of paper or over the whole of a computer screen (or to write them on separate index cards). Use your main points as headings, and note supporting details and examples below each heading.

A good title should help you to define the purpose and scope of the composition, and should inform the reader.

On the first stages of an academic writing - thinking and planning- you are expected to make  a perfect  draft of your text.

 Peer-review procedure means that when an article is submitted the editors ask other specialists in that field to read the article and decide if it is worth publishing. 

The main purpose of scientific journals is to provide a  forum for academics within a specific discipline (e.g. education or civil engineering) to share cutting-edge research.

Although there is no fixed pattern, a common structure for an essay conclusion is:

Any academic paper should generally have a final section which summarises the arguments and makes it clear to the reader that the original question has been answered.