Printing structure

The Institute for Scientific Information (ISI), besides publishing Current Contents (p. 1611) and the Science Citation Index (p. 1637), also publishes Index Chemicus (formerly called Current Abstracts of Chemistry and Index Chemicus). This publication, begun in 1960 and appearing weekly, is devoted to printing structural formulas of all new compounds appearing in more than 100 journals, along with equations to show how they were synthesized and an author s summary of the work. Each issue contains five indexes author. 

In accordance with our plans to exploit the versatility of 1032 we have adopted a markup language approach to printing structures and text together. We simply use the... 

One disadvantage is the ability to provide printed structures where the print layer is sandwiched as is often used with conventional adhesive lamination. A way around this is to use a combination of adhesive lamination and coextrusion coating such that the coextruded structure is assembled with a pre-printed web of film. In addition, other non-extrudable materials, such as paper and metal foils, can be combined. 

All the macrostructures mentioned further above, i.e. thin film and screen printed structures, ITO electrodes and paste electrodes can be heated using all the described techniques of AC distortion compensation and also the methods of temperature determination. Till now, macrostructures throughout were subject to permanent heating only, since fast pulsed heating-up is less useful due to the much higher thermal inertia of the electrodes which are carried by isolating supports. 

The process has a relatively large overspray, which is a drawback. Overspray is the unwanted proportion of sprayed material deposited in droplet form on the component along the edges of the printed structures. Unmelted copper particles settle as dust on the substrate during deposition. This dust is very easy to remove with alcohol afterwards, but this is an extra work step. Reducing overspray would also cut down on overall consumption of copper powder. 

The formula number is the key to the printed structure graphics of the Beilstein Handbook. It acts as a link between text and graphics at all stages in the Handbook production. It is not searchable online. 

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