Use
Treatment codes are especially useful where a search has produced a large number of documents on the required subject. Treatment codes offer a means of selecting those records which are most relevant. A document may have more than one treatment code.
Treatment codes used
| A | Applications assigned when a document describes the actual technique, computer program or physical effect where some specific application is described or envisaged. |
| B | Bibliography or literature survey indicates documents containing a bibliography or significant number of references. |
| E | Economic aspects or market survey applied where the document deals with some economic or commercial aspects, eg cost, pricing, market forecast, etc. |
| G | General or review article this code distinguishes documents which give an overall view of a subject. It includes general approaches, overviews, state-of-the-art reviews and introductory articles. |
| N | New developments used where a claim of novelty, in the patent sense, might be made. |
| P | Practical indicates that the document is meant to be of different practical use and so is likely to be of use to engineering and design staff. |
| R | Product review (1985 onwards) applied to product comparisons, tables and buyers' guides. Treatment code P is also assigned to all documents where R is applied. |
| T | Theoretical/mathematical assigned when the treatment and/or subject matter is generally theoretical or mathematical. |
| X |
Experimental used for documents describing an experimental method, observation or result. Includes apparatus for use in experimental work and calculations on experimental results.
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