Miracle-dz/UniFAR-FTUs huggingface dataset:
COST OPTIMIZATION OF ELECTRICAL ENERGY USED FOR WATER EXTRACTION

The goal nowadays is to save electrical energy required for water extraction, conditioning and distribution to consumers since it represents the biggest cost in terms of water supply. The topicality of the issue prompted Vodovod-Osijek d.o. o. to analyze the potential electrical energy savings in terms of water extraction and distribution to the city of Osijek. This paper describes water-treatment-related processes along with a comparison of electrical energy consumption with and without a frequency converter.
MORPHOLOGICAL AND MORPHOMETRIC ANALYSIS OF GENUS ERIOBOTRYA LINDL. (ROSACEAE)

Morphometric analysis based on 40 morphological (quantitative and qualitative) characters were used to evaluate the patterns of morphological variations and to better understand the taxonomic relationship of the whole genus of Eriobotrya . Cluster analysis, principal component analysis and principal coordinate analysis were performed for both quantitative and qualitative morphological characters. Result of factor analysis revealed that leaf blade length and width, bract shape, bract length and width, sepal length, petal length and width, petal state, style number, fruit length and width were highly positive significant, whereas pedicel length and style state were highly negative significant. Cluster analysis revealed that all the taxa of the genus grouped into 4 clusters. Cluster 1 included 18 taxa ( E. bengalensis , E. bengalensis var. angustifolia , E. bengalensis var. intermedia , E. stipularis , E. dubia , E. serrata , E. obovata , E. poilanei , E. elliptica var. petelotii , E. longifolia , E. angustifolia , E. petiolata , E. deflexa , E. deflexa var. buisanensis , E. kwangsiensis , E. fulvicoma , E. cavaleriei and E. glabrescens ). Cluster II included 16 taxa ( E. henryi , E. seguinii , E. hookeriana , E. japonica , E. × daduheensis, E. malipoensis , E. elliptica , E. grandiflora , E. fragrans , E. fragrans var. furfuracea , E. prinoides, E. prinoides var. laotica , E. salwinensis , E. tengyuehensis , E. latifolia and E. glabrescens var. victoriensis ). Two species ( E. wardii and E. platyphylla ) formed a distinct cluster and considered to be doubtful to the genus. The quantitative and qualitative characters studies will be particularly useful for further identification and systematic of the genus Eriobotrya .
The development of a home-based virtual reality therapy system to promote upper extremity movement for children with hemiplegic cerebral palsy

Children with hemiplegic cerebral palsy (hemiplegia) have difficulty performing motor tasks with their hemiplegic upper extremity (UE). A virtual reality therapy home-based system (VRT-Home) using a Sony PlayStation 2 equipped with an "EyeToy" video camera was adapted for children to practise hemiplegic hand and arm movements and the system's preliminary usability was evaluated. To use the VRT-Home, participants sit in a chair, hold down a button that occupies their non-hemiplegic side and keeps the system on, and perform movements with their hemiplegic UE to play fun, immersive, games in virtual environments. Supervised test sessions with five child participants found that the system successfully elicited targeted hand/arm movements of the hemiplegic UE, particularly reaching activities that involve the shoulder and elbow. A further home usability study with five participants showed, through usage logging and caregiver and child satisfaction surveys, that the intervention with the VRT-Home was an enjoyable way to practise hemiplegic arm movements at home.
Applications of Fourier Domain Mode Locked lasers for optical coherence tomography imaging

Optical coherence tomography (OCT) is a micrometer-resolution imaging technique that produces cross-sectional images of sample microstructure by measuring the amplitude and echo time delay of backscattered light. OCT imaging is performed using low-coherence interferometry, typically with a fiber optic Michelson interferometer. OCT imaging has recently been performed by measuring the spectrum of the interference signal in the Fourier domain. In "swept source OCT" implementations, the interference spectra are generated with a wavelength-swept laser and photodetector. Axial image lines are obtained via Fourier transformation of the spectra. Fourier domain techniques have extended OCT imaging speeds from several thousand to hundreds of thousands of axial lines per second, enabling in vivo threedimensional (3D) OCT. Development of the Fourier Domain Mode Locked (FDML) laser has significantly improved the imaging performance of swept source OCT by providing an unparalleled combination of high sweep rates, large tuning ranges, narrow instantaneous linewidths, and low phase noise. This thesis develops a number of advanced OCT imaging applications using FDML laser technology. Ultrahigh-speed sub-nanometer phase profilometry is performed by measuring the phase of the OCT interference signal, taking advantage of the inherent phase stability of FDML lasers. Extending this concept, phase-sensitive OCT is used to detect gold nanoshell contrast agents with extremely high signalto-noise ratios by inducing photothermal phase modulations in the sample. Working in collaboration with industrial partners, a 3D-OCT imaging system incorporating an FDML laser is constructed for clinical research in gastroenterology. Spiral-scanning imaging catheters are developed for use in the human esophagus and colon, enabling high-density 3D-OCT endomicroscopy of the gastrointestinal tract. Finally, clinical pilot studies are conducted in collaboration with medical partners to demonstrate the utility of 3D-OCT endomicroscopy for pathology detection, treatment planning, and follow-up assessment. The convergence of 3D spatial resolution, imaging speed, field of view, and minimally invasive access enabled by 3D-OCT are unmatched by most other biomedical imaging techniques. Though still early on in its development, 3D-OCT may have a profound impact on human healthcare and industrial inspection by enabling visualization and quantification of 3D sample microstructure in situ and in real time. Thesis Supervisor: James G. Fujimoto Professor of Electrical Engineering and Computer Science
Annual maintenance budget estimation for a plant system: Digraph model and matrix approach

Purpose – The purpose of this paper is to propose a methodology to evaluate the annual maintenance budget (AMB) for a plant system as a percentage of its asset replacement value (ARV). Design/methodology/approach – Variables influencing the budget for the plant system are identified and modeled in terms of a plant maintenance Budget digraph. The nodes in the digraph represent the function of budget influencing variables and edges represent the degree of influence among these. The plant maintenance budget function is derived from the equivalent matrix of the plant maintenance budget digraph and is used to evaluate the AMB for the plant system as a percentage of its ARV. The presented model is illustrated with an example. Findings – The proposed methodology enables the maintenance managers and practicing engineers to evaluate the AMB for maintenance tasks based on plant specific variables that can vary from one plant to another, without resorting to general rules-of-thumb method of budgeting or to expert ju.
The Lift Distribution of Swept-Back Wings

"Two procedures for calculating the lift distribution along the span are given in which a better account is taken of the distribution of circulation over the area than in the Prandtl lifting-line theory. The methods are also applicable to wing sweepback. Calculated results for the two methods were in agreement" (p. 1).
Technical Advisory Team (TAT) report on the rocket sled test accident of October 9, 2008.

This report summarizes probable causes and contributing factors that led to a rocket motor initiating prematurely while employees were preparing instrumentation for an AIII rocket sled test at SNL/NM, resulting in a Type-B Accident. Originally prepared by the Technical Advisory Team that provided technical assistance to the NNSA's Accident Investigation Board, the report includes analyses of several proposed causes and concludes that the most probable source of power for premature initiation of the rocket motor was the independent battery contained in the HiCap recorder package. The report includes data, evidence, and proposed scenarios to substantiate the analyses.
Emulador em hardware de floppy disk drive com acesso sem fios

The use of floppy disks in old but still relevant equipment, has become less reliable and of difficult maintenance. In this thesis we propose the replacement of floppy disk drives with an emulator device which, other than not requiring the use of floppy disks, also adds value by allowing the data transfer to occur by a wireless communication link. With constant technological evolution, it is only natural that older storage mediums, once considered universal, are now deprecated and being substituted by more reliable, easy to use and of larger capacity equipment. Floppy disks that once where easily accessible, today have almost disappeared. Meanwhile, it is not uncommon to find useful equipment, e especially in industry, that, for different reasonsm still uses floppy disks in their operation. Considering the usefulness of these equipments, their substitution is not desirable and its conversion through an emulator is preferred. We performed the study of the communication protocol between the floppy disk drive and its controller to achieve the replacement of the floppy drive in a transparent and non intrusive way. An emulator is built with the aid of a microcontroller and a disk image that copies all the data present in a floppy disk. Together with the advantage of no longer requiring the usage of floppy disk, the project also presents the added value accomplished by the wireless communication, an innovative solution in floppy disk emulators. The thesis describes the implementation of the emulator and wireless communication. To help these features we also created tools to support these systems including software that manages and transmit the disk images. During the development of the project, and because of the uniqueness of their communication, auxiliary tools are built to analyze and test the communication between the emulator and the floppy disk controller. Experimental tests of the emulation and transmission through the wireless link were performed to demonstrate the validity of the proposed solution.
A parallelized particle tracing code for CFD simulations in Earth Sciences

El problema de los flujos convectivos en un fluido altamente viscoso representa una direccion comun de investigacion en Ciencias de la Tierra. Para rastrear el movimiento convectivo de un material fluido, se utiliza una fuente pasiva de particulas (o trazadores) que fluyen en el campo local de velocidades y no afectan el flujo. Es presentado un codigo paralelizado de trazadores que utiliza particulas pasivas e ingravidas cuyas posiciones estan calculadas segun su desplazamiento durante un intervalo de tiempo pequeno -para una velocidad de flujo previamente calculada. El codigo de trazadores esta integrado en el paquete de codigo abierto CitcomS, que se utiliza ampliamente en la comunidad de las Ciencias de la Tierra (www.geodynamics.org). Es comparado el codigo de trazadores en una computadora de alto rendimiento HPCC Cyberdyn, un cluster de alto rendimiento con 1 344 nudos de calculo, disponible en el Instituto de Geodinamica de la Academia Rumana
Advances in Grasping and Vehicle Contact Identification: Analysis, Design and Testing of Robust Methods for Underwater Robot Manipulation

Abstract : This thesis focuses on improving the productivity of autonomous and telemanipulation systems consisting of a manipulator arm mounted to a free flying underwater vehicle. Part I minimizes system sensitivity to misalignment by developing a gripper and a suite of handles that passively self align when grasped. After presenting a gripper guaranteed to passively align cylinders we present several other self aligning handles. The mix of handle alignment and load resisting properties enables handles to be matched to the needs of each task. Part I concludes with a discussion of successful field use of the system on the Jason Remotely Operated Undersea Vehicle operated by the Woods Hole Oceanographic Institution. To enable the exploitation of contact with the environment to help stabilize the vehicle, Part II develops a technique which identifies the contact state of a planar vehicle interacting with a fixed environment. Knowing the vehicle geometry and velocity we identify kinematically feasible contact points, from which we construct the set of feasible contact models. The measured vehicle data violates each model's constraints; we use the associated violation power and work to select the best overall model. Part II concludes with experimental confirmation of the contact identification technique's efficacy.
EXPERIMENTAL FLOW VISUALIZATION FOR CORRUGATED AIRFOILS AT LOW REYNOLDS NUMBER INCLUDING DEVELOPMENT OF A PITCH AND PLUNGE FIXTURE

OF THESIS EXPERIMENTAL FLOW VISUALIZATION FOR CORRUGATED AIRFOILS AT LOW REYNOLDS NUMBER FLOW INCLUDING DEVELOPMENT OF A PITCH AND PLUNGE FIXTURE Micro Air Vehicles (MAV’s) have small size and extreme maneuverability which makes them ideal for surveillance. Propulsion mechanisms include propellers, rotors, and flapping airfoils. Flapping motions, along with biologically-inspired wing profiles, are of interest due to their use of natural physics. Corrugated airfoil structures appears to have poor aerodynamic performance at higher Reynolds numbers, but serve well at Re<10,000. Understanding flow structures around corrugated profiles and comparing them to a standard airfoil will aid in understanding how these corrugated profiles perform well and have been adopted by some of nature’s most acrobatic flyers. Motivation for this investigation is to compare static flow visualizations of corrugated profiles to a standard National Advisory Committee for Aeronautics (NACA) airfoil from low to high angles of attack and further observe flow structure development of a pitching and plunging flat plate at a Re<10,000 and a Strouhal number relevant to natural fliers. The static visualization was conducted at Re=1,000 with a NACA 0012 airfoil and two corrugated models. The Pitch and Plunge Fixture (PPF) developed was constructed by simplifying flapping wings as a two degree of freedom motion in plunge (translation) and pitch (rotation). Results obtained from the PPF were compared with a numerical simulation.
Crystallization of Stretched Polyimides: A Structure-Property Study

The NASA STI Program Office. in ProfileSince its founding, NASA has been dedicated to theadvancement of aeronautics and space science. TheNASA Scientific and Technical Information (STI)Program Office plays a key part in helping NASAmaintain this important role.CONFERENCE PUBLICATION.Collected papers from scientific andtechnical conferences, symposia,seminars, or other meetings sponsored orco-sponsored by NASA.The NASA STI Program Office is operated byLangley Research Center, the lead center for NASA'sscientific and technical information. The NASA STIProgram Office provides access to the NASA STIDatabase, the largest collection of aeronautical andspace science STI in the world. The Program Officeis also NASA's institutional mechanism fordisseminating the results of its research anddevelopment activities. These results arepublished by NASA in the NASA STI ReportSeries, which includes the following reporttypes:TECHNICAL PUBLICATION. Reports ofcompleted research or a major significantphase of research that present the resultsof NASA programs and include extensivedata or theoretical analysis. Includes compilationsof significant scientific and technical data andinformation deemed to be of continuing referencevalue. NASA counterpart of peer-reviewed formalprofessional papers, but having less stringentlimitations on manuscript length and extent ofgraphic presentations.TECHNICAL MEMORANDUM.Scientific and technical findings that arepreliminary or of specialized interest,e.g., quick release reports, workingpapers, and bibliographies that containminimal annotation. Does not containextensive analysis.CONTRACTOR REPORT. Scientific andtechnical findings by NASA-sponsoredcontractors and grantees.SPECIAL PUBLICATION. Scientific,technical, or historical information fromNASA programs, projects, and missions,often concerned with subjects havingsubstantial public interest.TECHNICAL TRANSLATION. English-language translations of foreign scientificand technical material pertinent toNASA's mission.Specialized services that complement theSTI Program Office's diverse offerings includecreating custom thesauri, building customizeddatabases, organizing and publishingresearch results. , even providing videos.For more information about the NASA STIProgram Office, see the following:• Access the NASA STI Program HomePage at http://www.sti.nasa.gov• Email your question via the Internet tohelp@sti.nasa.gov• Fax your question to the NASA STIHelp Desk at (301) 621-0134• Telephone the NASA STI Help Desk at(301) 621-0390Write to:NASA STI Help DeskNASA Center for AeroSpace Information7121 Standard DriveHanover, MD 21076-1320
Dominated energy dissipation in ultrathin single crystal silicon cantilever surface loss

The effect of surface treatment in UHV chamber on Q factor of cantilevers with different thickness (60nm, 170nm and 500nm) and different surface orientation was investigated. When length L>30pm, Q factor is proportional to thickness, surface loss dominates. While L<30pm, support loss surpasses the surface loss. Heating can remove SiOz layer and absorbates, and result in an increase of Q factor. Hydrogen termination leads to a larger relative increase of Q factor in thinner structure than in thicker ones. Heating and H exposure improve Q values of Si(100) oriented cantilevers more than Si(ll0) oriented ones and result in the contrary resonance frequency response for these two surfaces.
Modulation Format Identification in Mode Division Multiplexed Optical Networks

In this paper, we address the problem of modulation format identification (MFI) for few mode fiber (FMF) transmission in elastic optical networks (EONs). The MFI accuracy is studied under different FMF channel conditions including mode coupling (MC), optical signal-to-noise ratio (OSNR), and chromatic dispersion (CD). Artificial neural network, trained using features extracted from the asynchronous in-phase quadrature histogram (IQH), is proposed to investigate the identification accuracy. Extensive simulation results have been conducted to identify six modulation schemes widely used in polarization division multiplexing coherent optical networks. This includes PDM-BPSK, PDM-QPSK, PDM-8QAM, PDM-16QAM, PDM-32QAM, and PDM-64QAM transmitted at 10 Gbaud network transmission speed. The results show that the proposed MFI achieves a successful average identification accuracy exceeding 98% in the presence of low MC when the incoming signal OSNR is greater than 20 dB. However, the effect of high MC and CD = 1100 ps/nm reduces the average accuracy to 90%. Further, the MFI accuracy is investigated under different symbol rates such as 14 and 20 Gbaud.
High performance: closed frequent itemsets mining inspired by emerging computer architectures

This thesis is devoted to the design of high performance algorithms for the extraction of closed frequent itemsets from transactional databases. Our interest in high performance algorithms is inspired by emerging computer architectures. We believe that high performance not only means to design fast algorithms but also to find new solutions to challenging problems. We also use our experience in constrained pattern mining to support this claim. We discuss in detail some of the issues related to frequent pattern mining algorithms: computational complexity, data size and the opportunities provided by emerging computer architectures. For each of the three aforementioned issues, we contribute a novel algorithm. DCI-Closed is a new algorithm for mining closed frequent itemsets. This is the only algorithm that can mine efficiently dense datasets without maintaining the running collection of already discovered closed itemsets. OOC-Closed is the first algorithm for mining closed frequent itemsets in secondary memory. Finally, we propose MT-Closed: the first parallel algorithm for mining closed frequent itemsets. The preset trend suggests that emerging computer architectures will become more complex over time, with tenths or hundreds of CPUs, complex cache hierarchies, and probably streaming and pipelined frameworks. With this work, we believe to provide important contributions in the direction of harnessing modern computer architectures and, at the same time, to give new insights on the mining of closed patterns.
Structure-Based Bioactive Phytochemical Design from Ayurvedic Formulations Towards Spike and Mpro Druggable Targets of SARS-CoV-2

The present COVID-19 global crisis invoked different disciplines of the biomedical research community to address the contagious human to human viral transmission and infection severity. Traditional or de novo drug discovery approach is a very time consuming process and will conflict with the urgency to discover new anti-viral drugs for combating the present global pandemic. Modern anti-viral drugs are not very effective and show resistance with serious adverse effects. Thus, identifying bioactive natural ingredients (phytochemical) from different medicinal plants or Ayurvedic formulations provides an effective alternative therapy for SARS-CoV-2 viral infections. We performed structure-based phytochemical design studies involving bioactive phytochemicals from medicinal plants towards two key druggable targets, spike glycoprotein and main protease (Mpro) of SARS-CoV-2. Phyllaemblicin class of phytocompounds showed better binding affinity towards both these SARS-CoV-2 targets and its binding mode revealed interactions with critical amino acid residues at its active sites. Also, we have successfully shown that the SARS-CoV-2 spike glycoprotein interaction towards human ACE2 receptor as its port of human cellular entry was blocked due to conformational variations in ACE2 receptor recognition by the binding of the phytocompound, Phyllaemblicin C at the ACE2 binding domain of spike protein. Our study shows that the Phyllaemblicin class of phytochemicals can be a potential dual inhibitor of spike and Mpro proteins of SARS-CoV-2 and could be promising for the treatment of COVID-19.
Therapeutic Potential of Trp-rich Engineered Amphiphiles by Single Hydrophobic Amino Acid End-Tagging.

End-tagging with a single hydrophobic residue contributes to improve the cell selectivity of antimicrobial peptides (AMPs), but systematic studies have been lacking. Thus, this study aimed to systematically investigate how end-tagging with hydrophobic residues at the C-terminals and Gly capped at the N-terminus of W4 (RWRWWWRWR) affects the bioactivity of W4 variants. Among all the hydrophobic residues, only Ala end-tagging improved the antibacterial activity of W4. Meanwhile, Gly capped at the N-terminus could promote the helical propensity of the end-tagged peptides in DPC micelles, increasing their antimicrobial activities. Of these peptides, GW4A (GRWRWWWRWRA) showed the best antibacterial activity against the 19 species of bacteria tested (GMMIC=1.86 μM) with low toxicity, thus possessing a highest cell selectivity (TIall=137.69). It also had rapid sterilization, good salt and serum resistance and LPS- neutralizing activity. Antibacterial mechanism studies showed that that the short peptide GW4A killed bacteria by destroying cell membrane integrity and causing cytoplasmic leakage. Overall, these findings suggested that systematic studies on terminal modification promoted the development of peptide design theory, and provide a potential method for optimization of effective antimicrobial peptide.