Sökning: "insoluble solid char"

Hittade 2 avhandlingar innehållade orden insoluble solid char.

1. 1. Study of bio-oil and bio-char production from thermal and catalytic hydrotreatment of simulated pyrolysis oil under mild conditions

   Författare :Elham Nejadmoghadam; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Stabilization; soluble solid; alumina-supported catalyst; insoluble solid char; simulated pyrolysis oil; catalytic hydrotreatment;

   Sammanfattning : Pyrolysis oil derived from fast pyrolysis of lignocellulosic biomass is a promising alternative energy source used to produce renewable biofuels. However, the high reactivity of unsaturated oxygenated compounds in pyrolysis oil results in charring and deactivation of the catalyst under severe hydrotreatment conditions. LÄS MER

3. 2. Stress steroids as accelerators of Alzheimer's disease. : Effects of chronically elevated levels of allopregnanolone in transgenic AD models

   Författare :Sara Bengtsson; Mingde Wang; Torbjörn Bäckström; Maja Johansson; Caroline Graff; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Allopregnanolone; Alzheimer s disease; beta-amyloid; synaptophysin; chronic stress; Morris water maze; obstetrik och gynekologi; Obstetrics and Gynaecology; medicinsk farmakologi; Medical Pharmacology; Neurology; neurologi; Geriatrics; geriatrik; medical behavioral science; medicinsk beteendevetenskap;

   Sammanfattning : Background Alzheimer’s disease (AD) and dementia are devastating con­ditions not only for the affected patients but also for their families.  The economical costs for the society are tremendous. LÄS MER