Thermostable composite materials based on solid magnesium phosphate and calcium phosphate, as well hybrid binders have been developed investigated. Thermal phase transformations of the composites studied. Strength characteristics determined in temperature range 20–1000 °C. It is shown that obtained high strength properties (compressive reaches 120–130 MPa) are characterised by thermal stability...

La producción actual de mezclas asfálticas en caliente para carreteras, aportan grandes cantidades gases tóxicos nocivos el medio ambiente debido a las altas temperaturas durante su preparación, por lo que se necesitan tomar medidas correctivas sean sostenibles y económicas. Éstas pueden verse reflejadas la elaboración con inclusión otros materiales como aceites, polímeros o plásticos influyan ...

Abstract In this study, Polybenzoxazole (PBO) nanofiber membranes are prepared by applying a three-step process, including synthesis of the electrospinning precursor with ortho-hydroxyl, electrospinning, and thermal conversion. Electrospinning is conducted at 10 kV distance cm solution concentration 17.8% (w/v). Different flow rates adopted to prepare polymer test their properties. At rate 0.5 ...

Age (years, mean±SD) DM (%) Current smoker (%) Blood pressure (mmHg, %) Optimal (SBP<120, DBP<80) Normal (SBP<130, DBP<85) High normal (SBP<140, DBP<90) Stage I HT (SBP<160, DBP<100) Stage II to IV HT (SBP>=160, DBP ≥ 100) Total cholesterol (mg/dl, %) <160 160-199 200-239 240-279 ≥ 280 LDL cholesterol (mg/dl, %) >130 130-159 >160 HDL cholesterol (mg/dl, %) <35 35-44 45-49 50-59 ≥ 60 Creatinine ...

Ultrasound and nanoparticles are used to control the supercooling degree of erythritol-based phase change material. The effects particle type, ultrasonic power initial temperature on crystallization (SD), progress instability nanofluids investigated. Meanwhile, preparation scheme that satisfy both high-quality thermal performance economic value is explored. results show when concentrations 0.05...

a Animal and Plant Quarantine Agency, 178, Anyang-ro, Manan-gu, Anyang-si, Gyeonggi-do 430-016, Republic of Korea b Conservation Science Division, National Research Institute of Cultural Heritage, Daejeon 305-380, Republic of Korea c Wood Processing Division, Korea Forest Research Institute, Seoul 130-712, Republic of Korea d Household and Structural Entomology Laboratory, Department of Entomol...

Operation conditions to recover and quantify active compounds from Perle Hallertau (PH) Nuggets (N) hops, following a sequential combination of ultrasound microwave assisted ethanolic extraction were studied. Ultrasound treatment (55 °C, 60% ethanol, 30 minutes) allowed extracts with phenolic contents 160.43 mg GAE/g extract ABTS radical scavenging capacity equivalent 400.24 Trolox/g for PH. Op...

Rat liver plasma membrane contains five distinct polypeptides of apparent molecular mass of 130, 120, 110, 100, and 86 kDa which are labeled upon incubation with [alpha-32P]ATP as well as with [gamma-32P]ATP. Covalently bound adenosine 5'-monophosphate to some of the polypeptides was identified using nonhydrolyzable analogues of ATP. Chase experiments of alpha-32P-nucleotide-labeled polypeptide...

BACKGROUND Current diagnostic thresholds for ambulatory blood pressure (ABP) mainly rely on statistical parameters derived from reference populations. We determined an outcome-driven reference frame for ABP measurement. METHODS AND RESULTS We performed 24-hour ABP monitoring in 5682 participants (mean age 59.0 years; 43.3% women) enrolled in prospective population studies in Copenhagen, Denma...