نتایج جستجو برای: thickening agent
تعداد نتایج: 266331 فیلتر نتایج به سال:
Introduction: Odontogenic infections are one of the common cause of maxillary sinusitis. This study aimed to evaluate the relationship between the teeth with periapical lesions or periodontal disease and sinus mucosal thickening using cone-beam computed tomography(CBCT). Methods: This was a retrospective and cross-sectional study. CBCT scans of 97 patients(188 sinuses) were evaluated retrospec...
We studied the shear thickening behavior of the nano silica suspension (silica nanoparticles 12 nm in size suspended in ethylene glycol) under steady shear. The critical shear rate for transition into shear thickening phase was determined at different concentrations and temperatures. The effect of temperature and concentration was studied on the shear thickening behavior. In silica suspension, ...
The correlation between the bacteriological agent of buffalo pneumonia and its pathologic characteristics were investigated. In the present study, 333 samples of buffalo lungs in Iran were studied for pneumonial lesions and evidence of bacterial and viral infection. The type of pneumonia was classified as interstitial, fibrinous or purulent bronchopneumonia and the anatomical location of lesi...
This research aimed to evaluate the thermal properties of new formulations of phase change materials (PCMs)-epoxy composites, containing a thickening agent and a thermally conductive phase. The composite specimens produced consisted of composites fabricated using (a) inorganic PCMs (hydrated salts), epoxy resins and aluminum particulates or (b) organic PCM (paraffin), epoxy resins, and copper p...
flow characteristics and rheological parameters of “malas yazdi” pomegranate (punica granatum l.) juice were investigated using rotational viscometer at different temperatures (10, 20, 30, 40, 50, 60 and 70ºc) and concentrations (12, 22, 32, 42 and 52º brix). the experimental data had the best fitness with herschel-bulkley model and the values of flow behavior index (n) varied between 0.97 and ...
This work is a systematic study of the strength and ultrasonic properties cemented paste backfill incorporating foaming agent, known as foam-cemented (FCPB). Based on determining optimal admixture contents (foaming stabilizer, thickening agent), series uniaxial compressive (UCS) tests were conducted to determine relationship between UCS FCPB four influencing factors, i.e., cement–tailings ratio...
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