Search results for "NHL"
showing 3 items of 13 documents
Četras enceniklīna hidrogēnhlorīda monohidrāta formas: termodinamiskās stabilitātes, dehidratācijas un struktūru salīdzinājums
2016
Četras enceniklīna hidrogēnhlorīda monohidrāta formas: termodinamiskās stabilitātes, dehidratācijas un struktūru salīdzinājums. Rutkovska L., darba vadītājs Dr. ķīm. Bērziņš A., konsultants Mag. ķīm. Kons A. Maģistra darbs, 64 lappuses, 33 attēli, 9 tabulas, 82 literatūras avoti, 6 pielikumi. Latviešu valodā. Kopā iegūtas desmit enceniklīna hidrogēnhlorīda kristāliskās formas – patentētās monohidrāta I, II un X formas. Iegūtas arī līdz šim literatūrā neaprakstītas formas – monohidrāta III forma, nestehiometrisks hidrāts (II’ forma) un bezūdens V, VI, VII, VIII un XII formas. Apskatīta enceniklīna hidrogēnhlorīda monohidrāta I, II, III un X formu termodinamiskā stabilitāte un pārvērtības, iz…
Association between sensorineural hearing loss and sleep-disordered breathing: Literature review
2015
The cochlea is especially sensitive to circulatory alterations because it is supplied by a single terminal artery and lacks adequate collateral blood supply. To examine the putative association between Sensorineural Hearing Loss (SNHL) and Sleep Disordered Breathing (SDB) through the literature review is very interesting. In fact these medical disorders usually are associated to cerebral circulatory alterations resulting in hypoxia, acute hemodynamic change, and decreased cerebral blood flow, because the Sleep Disorder Breathing (SDB), for example OSAHS (Obstructive Sleep Apnea Hypopnea Syndrome), is characterized by periodic hyposia/reoxygenation. These noxious stimuli can, in turn, activa…
A sustainable replacement for TiO2 in photocatalyst construction materials: Hydroxyapatite-based photocatalytic additives, made from the valorisation…
2018
The use of waste materials and by-products in building materials is of increasing importance to improve sustainability in construction, as is the incorporation of photocatalytic materials to both combat atmospheric pollution and protect the structures and façades. This work reports the innovative use of photocatalytic hydroxyapatite (HAp) based powders, derived from Atlantic codfish bone wastes, as an additive to natural hydraulic lime mortars. HAp is the main component of bone, and hence is non-toxic and biocompatible. This is the first time that such a calcium phosphate-based photocatalyst, or indeed any fish/marine derived wastes, have been added to building materials. A key factor is th…