The phrase "this section looks at" is correct and can be used in written English.
You can use it when you want to introduce a section of your text that focuses on a specific topic. For example: "This section looks at the challenges faced by small businesses in a globalizing economy."
For applications of Theorem 2.1, this section looks at several interesting examples of approximants.
This section looks at a third implementation, implemented with 16 processors.
This section looks at the objections that have been most influential.
This section looks at the broad definition of payers and purchasers from self-insured employers to unions to insurance companies.
This section looks at Hobbes's presentation of the idea, and then briefly at these two possible connections to later views.
This section looks at favourable factors from both top-down and bottom-up perspectives and formulates recommendations to take advantage of these opportunities to foster changes.
This last section looks at beliefs about the associations between food type, food quantity and diseases.
This last section looks at beliefs about which foods can cause particular diseases, as well as knowledge of any diseases associated with eating too much or too little of various types of food.
This section looks, first, at Hume's brief discussions of Newton's life and achievements and, then, analyzes the aims behind Hume's "science of man".
This section looks first at Leibniz's critiques of the two most important of those conceptions before turning to his own positive account of the passive powers of bodies.
This HBR Spotlight section looks at organizational change through two very different lenses-the first examining the connection between restructuring and improved performance, the second making the case for reorganization as a means of keeping a company's structure in tune with the human dynamics that drive creativity and innovation.
