This paper focuses on preparation of poly(vinyl alcohol) (PVA)-based composites reinforced with okra bast fibers at different percentages 5, 10, 20% via solution casting method. Fibers obtained from sections plants were biologically degummed and scoured Na2CO3. Selected bleached, treated maleic anhydride or grafted vinyl acetate. Mechanical, physical biodegradational properties the investigated...

Subsurface mesoscale cracks exist widely in the outer ring of full ceramic ball bearings (FCBBs), which is a potential threat for stable operation related devices such as aero engines, food processing machinery, and artificial replacement hip joints. This paper establishes dynamic model subsurface FCBBs based on strain energy theory, influence different crack lengths running state analyzed. The...

Structural members can be damaged from earthquakes or deterioration. The finite element (FE) model of a structure should updated to reflect the damage conditions. If stiffness reduction is ignored, analysis results will unreliable. Conventional FE updating techniques measure response with accelerometers update model. However, only where sensor installed. This paper introduces new computer-visio...

critical, because true progressors require a change in treatment, but pseudoprogressors should continue with adjuvant temozolomide. Currently, there are no definitive radiologic criteria to differentiate between true progression and pseudoprogression. The response criteria for brain tumours developed by the Response Assessment in Neuro-Oncology Working Group state that apparent radiologic progr...

Background: Studies on how the shoe insole hardness regulate joint stiffness and transfer energy in the lower extremity during jump landing are scarce. The current study aimed to determine the effectiveness of shoe insole changes in joint power and stiffness during landing from jumps. Methods: Fifteen healthy male athletes volunteered to perform jump-landing in various shoe insole conditions. ...

background and objectives: in the last few decades, losses of our cultural heritage due to biodeteriorationare beinghighly recognized. from museum objects to rock monuments, the microbial biodeterioration agents are found to be the most destructive. possibilities for proper preservative measure(s) are always more when it is only a monument, statue, museum article, or pre-historic art in any sma...

a new mathematical model for the optimal production isformulated for the inventory management system under time-varyingand stochastic inflation environment for deteriorating items. the timehorizon is finite and demand rate is dependent to the inflation. in thereal situation, some but not all customers will wait for backlogged itemsduring a shortage period, such as for fashionable commodities or...

ObjectivesImpaired cardiovascular function has been associated with cognitive deterioration; however, to what extent dysfunction plays a role in structural cerebral changes remains unclear. We studied whether vascular and left ventricular (LV) functions are measures of small vessel disease (cSVD) the middle-aged general population.MethodsIn this cross-sectional analysis UK Biobank, 4366 partici...

The primary goal of the construction industries worldwide is to improve material durability and achieve sustainability. In recent years sustainable cement industry innovation, alkali-activated has emerged as one most promising alternatives ordinary Portland (OPC). terms durability, corrosion steel a significant problem become major cause deterioration reinforced concrete structures worldwide. T...