On the assuniption thtit t,hc vibration iii diiitoniic molecule such ns HCl nlong the line of centres is :L simple hnrinonic one, t.he frequency of vibration is given by 111 this esimsioii J is the restoring force per unit tlisplnceiiieiit of the ritolii p i r iintl p. is tlie reduced imiss, given
Multilevel systems in the petroleum industry
β Scribed by J.E. Rijnsdorp
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 169 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0005-1098
No coin nor oath required. For personal study only.
β¦ Synopsis
Originally this was a contribution to round-table discussion on problems and trends in the theory of multilevel systems, held on 19 June 1969, during the fourth IFAC congress at Warsaw. Although it was planned to publish a report on the round-table discussion with contributions from other participants, the other written articles were never obtained. Meanwhile, there have been requests for this contribution which indicates a practical need for multilevel control--Editor.
Summary--A brief survey of multilevel systems in the petroleum industry is given and some problems for possible theoretical investigation are indicated.
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## Abstract Stainless steels have a great variety of potential applications in the petroleum industry, mainly as an alternative to carbon steel in corrosive environments. Within a number of media that can cause corrosion problems with these materials, only chloride solutions and hydrogen sulfide ar