Results 31 to 40 of about 120,158 (276)
End-to-End GNC Solution for Reusable Launch Vehicles
AerospaceThis paper presents an autonomous end-to-end guidance, navigation, and control (GNC) solution for a reusable launcher, addressing the challenges of precision pinpoint landing and reusability. The proposed GNC system integrates advanced onboard trajectory
Jacopo Guadagnini +4 more
doaj +1 more source
ToxicsThis study developed a novel adsorbent for Cr (VI) removal from wastewater by grafting N-[(dimethylamino)methylene]thiourea (TUFA) onto lignin. The resulting TUFA-functionalized lignin adsorbent AL was comprehensively characterized using scanning ...
Haixin Wang +8 more
doaj +1 more source
Investigation of the ageing conditions of PEEK powder for the selective laser sintering process
Virtual and Physical Prototyping, 2023 Ageing mechanism of PEEK powders at optimal powder bed temperature (Tb) and factors affecting their reusability remain unclear. This study investigated effects of gas type (air, nitrogen, and argon) and holding time (0–8 h) on physico-chemical properties
Yuqing Guo +8 more
doaj +1 more source
Boron Nitride Nanosheets Improve Sensitivity and Reusability of Surface Enhanced Raman Spectroscopy
, 2016 Surface enhanced Raman spectroscopy (SERS) is a useful multidisciplinary analytic technique. However, it is still a challenge to produce SERS substrates that are highly sensitive, reproducible, stable, reusable, and scalable.
Cai, Qiran +8 more
core +1 more source
Reusing adaptation strategies in adaptive educational hypermedia systems [PDF]
, 2010 Due to the difficulty and thus effort and expenses involved in creating them, personalization strategies in learning environments have to demonstrate a higher return-on-investment (ROI), if they are to be a viable component of the learning setting of the
Cristea, Alexandra I. +1 more
core +1 more source
ChemElectroChemThe photocatalytic TiO2 has been regarded as a promising catalyst of nonbiodegradable organic pollutants in wastewater. Resolving some issues of agglomeration, recoverability, and poor efficiency, an inorganic TiO2‐based catalyst has been constructed by ...
Xin Liu +4 more
doaj +1 more source
Towards an ontology-based platform-independent framework for developing KBE systems in the aerospace industry [PDF]
, 2013 Aerospace engineering is considered to be one of the most complex and advanced branches of engineering. The use of knowledge based engineering (KBE) technologies has played a major role in automating routine design activities in view of supporting the ...
Sanya, Isaac, Shehab, Essam
core
Molecular Oncology, EarlyView.The LINC01116 long noncoding RNA is induced by hypoxia and associated with poor prognosis and high recurrence rates in two cohorts of lung adenocarcinoma patients. Here, we demonstrate that besides its expression in cancer cells, LINC01116 is markedly expressed in lymphatic endothelial cells of the tumor stroma in which it participates in hypoxia ...
Marine Gautier‐Isola +12 more
wiley +1 more source
Molecules, 2012 Sol-gel entrapment is an efficient immobilization technique that allows preparation of robust and highly stable biocatalysts. Lipase from Candida antarctica B was immobilized by sol-gel entrapment and by sol-gel entrapment combined with adsorption on ...
Francisc Péter +3 more
doaj +1 more source
Rethinking plastic waste: innovations in enzymatic breakdown of oil‐based polyesters and bioplastics
FEBS Open Bio, EarlyView.Plastic pollution remains a critical environmental challenge, and current mechanical and chemical recycling methods are insufficient to achieve a fully circular economy. This review highlights recent breakthroughs in the enzymatic depolymerization of both oil‐derived polyesters and bioplastics, including high‐throughput protein engineering, de novo ...
Elena Rosini +2 more
wiley +1 more source