Foamed phase change materials based on recycled polyethylene/paraffin wax blends حسب Sobolčiak, Patrik

"….% of paraffin wax (PW) and foamed by 1,1′-azobiscarbamide. The protection of pores’ collapse during foaming process was insured through chemical cross-linking by organic peroxide prior foaming. …"
احصل على النص الكامل
احصل على النص الكامل

Green handover with a hybrid satisfaction mechanism حسب Zorba, Nizar

"…Green communications have emerged as one of the most important trends in wireless communications because of its several advantages of interference reduction, battery life increase and electrical bill cut. …"
احصل على النص الكامل

Low levels of Vitamin D during pregnancy associated with gestational diabetes mellitus and low birth weight: results from the MAASTHI birth cohort حسب Deepa, R.

"…For every one-unit increase in Vitamin D levels, Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) decreased by nearly 18%. …"
احصل على النص الكامل
احصل على النص الكامل

Simulation and Optimization of an LNG Plant Cold Section حسب Katebah, Mary Anna

"…Among all the available cycles, the propane pre-cooled mixed refrigerant (C3MR) system is the leading one in the LNG industry. Therefore, this research focuses on decreasing the energy consumption of C3MR and NGL recovery system with helium extraction (producing approximately 60 mol% crude helium) and nitrogen rejection units. …"
احصل على النص الكامل
احصل على النص الكامل

An improved asymmetrical multilevel inverter topology with reduced semiconductor device count حسب Sarwer, Zeeshan

احصل على النص الكامل
احصل على النص الكامل

Thermal and mechanical characterization of injection moulded high density polyethylene/paraffin wax blends as phase change materials حسب Sotomayor, M.E.

"…The blends were prepared from 5 to 50vol. % of paraffin wax employing a twin-screw extruder. …"
احصل على النص الكامل
احصل على النص الكامل

Improvement of both lipid and biomass productivities of Qatar Chlorocystis isolate for biodiesel production and food security حسب Saadaoui, Imen

"…Indeed, culturing QUCCCM14 using f/2 medium with 10× NaH2PO4 (0.15 g L−1 NaNO3 and 5.6 mg L−1 NaH2PO4) resulted in an improvement of 3.178 folds the lipid productivity reaching 56.121 mg L−1 day−1 and enhanced the biomass productivity reaching 141.363 mg L−1 day−1, simultaneously. …"
احصل على النص الكامل
احصل على النص الكامل

Synthesis of High-Antifouling and Antibacterial Ultrafiltration Membranes Incorporating Low Concentrations of Graphene Oxide حسب Alkhouzaam, Abedalkader Ibraheem

"…The pure water permeability (PWP) decreased with loadings of GO from 181.7 L.m-2.h-1.bar-1 of pure PSF to 181.1 and 167.4 L.m-2.h-1.bar-1 with 0.02 and 0.1 wt.% GO respectively. …"
احصل على النص الكامل
احصل على النص الكامل

Individual and Synergic Effects of Phosphorus and Gibberellic Acid on Organic Acids Exudation Pattern, Ultra-Structure of Chloroplast and Stress Response Gene Expression in Cu-Stre... حسب Alatawi, Aishah

"…Results revealed that C. capsularis tolerated up to 200 mg kg−1 Cu concentration without a significant (P < 0.05) decrease in biomass, plant height and root length but further increase in Cu concentration from 400 mg kg−1 exhibited a significant reduction in plant height, root length, stem fresh weight, stem dry weight, plant fresh weight and plant dry weight. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

In vitro effects of hydrogen peroxide on rat uterine contraction before and during pregnancy حسب AlanaziR.

احصل على النص الكامل
احصل على النص الكامل

Assessment strategies of different molten salts for heat transfer in tri-generation systems حسب Klaimi, Rachid

احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Thermally conductive polyethylene/expanded graphite composites as heat transfer surface: Mechanical, thermo-physical and surface behavior حسب Sobolčiak, Patrik

"…This enhanced surface wettability was retained over a long time with only a 9% and 18% decrease in RF and corona plasma-treated samples' surface energy after two months. …"
احصل على النص الكامل
احصل على النص الكامل

STRUCTURAL AND FUNCTIONAL APPROACHES TOWARD ACTIVITY RESTORATION OF NOVEL CYSTATHIONINE BETA-SYNTHASE MUTATIONS حسب AL-SADEQ, DUAA WALID

"…This reduced activity is consistent with both in vitro and in silico evidence, which indicates that the studied CBS mutations, except p.K72I, significantly decrease the overall protein's stability, which may represent the underlying cause of their pathogenicity. …"
احصل على النص الكامل

Optimizing nutrient removal of moving bed biofilm reactor process using response surface methodology حسب Almomani F.

"…Under optimized conditions (HRTtotal = 12.8 hr and R = 1.5) significant chemical oxygen demand removal (%CODremoval), %TNremoval and %TPremoval of 95.5%, 96.2%, 94.70% were attained. …"
احصل على النص الكامل
احصل على النص الكامل

Removal of toxic pollutants from produced water by phytoremediation: Applications and mechanistic study حسب Atia, Fathy A.M.

"…This conclusion is verified by the shifting or disappearance in transmission bands at 1028, 1334, 2852 and 2921 cm−1. After PW treatment, the soil with sandy-loam texture used in this study showed a huge accumulation of sodium ions up to 17.6 × 103 mg/Kg. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Outdoor scale-up of Leptolyngbya sp.: Effect of light intensity and inoculum volume on photoinhibition and -oxidation حسب Schipper, Kira

"…Indoor, the strain was capable of growing at light intensities of up to 5600 µmol photons/m2/s, at inoculation densities as low as 0.1 g/L (10% inoculation volume vol/vol). Levels of chlorophyll and phycocyanin showed a significant decrease within the first 24 h, indicating some level of photooxidation, however, both were able to recover within 72 h. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Cultivating microalgae in desert conditions: Evaluation of the effect of light‐temperature summer conditions on the growth and metabolism of nannochloropsis qu130 حسب Jabri, Hareb Al

"…In the Qatar desert the temperature varies widely, typically between 10° and 45 °C There are also wide variations in light intensity, with values of over 1500 μmolhν.m−2s−1 in summer. A study of the effects of these thermal and light fluctuations is therefore essential for large‐scale outdoor production systems, especially during the summer when temperature and light fluctuations are at their highest. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

P-value driven methods were underpowered to detect publication bias: analysis of Cochrane review meta-analyses حسب Furuya-Kanamori, Luis

"…The proportion of meta-analyses detected as asymmetrical via Egger's, Harbord's, Peters', and Begg's tests decreased by 42.6%, 41.1%, 29.3%, and 28.3%, when the median number of studies in the meta-analysis decreased from 87 to 14. …"
احصل على النص الكامل
احصل على النص الكامل

Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles حسب Sundarabharathi L.

احصل على النص الكامل
احصل على النص الكامل

Concrete Pavement Truck Equivalence Factors For Upgrades حسب Razouki, Sabah Said

"…Presented in this paper are the upgrade truck equivalence factors for single unit trucks of type, 1.2 and 1.22 which are not covered by AASHTO. The equivalency factors for front and rear axles of single unit trucks were developed using AASHO Road Test equation after considering the decrease in front axle load and the increase in rear axle load due to the axle load redistribution on upgrades. …"
احصل على النص الكامل