Scale morphology

Calcium carbonate scale inhibition in squeeze treatment by the phosphonate–type scale inhibitors, such as diethylenetriamine penta (methylene phosphonic acid) (DETPMP), ethylene diamine tetra(methyelne phosphonic acid) (EDTMP) or by the mixing of DETPMP, EDTMP and chelants (citric acid (CA), maleic acid (MA), ethylendiamintetraacetic acid (EDTA) has been studied in previous works [5,6].

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Table 52-4 Selected Common Dermatologic Conditions Dia gnosis mmon Co ual Us is Diagnos mmon Co al Usu Distributi on Morpholo gy Distributio Morpholog n y Ac ne vulgaris e, back Fac upper en closed Op Seborrh Tru nk, face Bro wn plaques with adherent, greasy and eic keratosis comedone s, erythemat ous papules, pustules, cysts scale; "stuck on" appearance Ros acea Blu sh area of thema, cheeks, nose, forehead, chin Ery Folliculi tisImpetigo hair- Any cular Folli telangiecta ses, papules, pustules bearing pustulesPap areaAnywh ules, ere vesicles, pustules, often...

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