Miracle-dz/UniFAR-FTUs huggingface dataset:
Production of the antitumor L-glutaminase enzyme from thermotolerant Streptomyces sp. D214, under submerged fermentation conditions.

L-glutaminase is an amidohydrolase which produced by a variety of microorganisms including bacteria, yeast and fungi. In recent years, it widely used as an anticancer drug and as flavor enhancing agent. This study was aimed to production of extracellular L-glutaminase from bacteria. About 20 soil samples were collected and out of 40 pure bacterial cultures, the isolate RK9 was the most active in L-glutaminase production in solid and broth media containing Lglutamine as the carbon and nitrogen sources. Lglutaminase producing isolate was identified as Streptomyces sp. D214 by using morphological, physiological and molecular characters. Further, it was reported that maximum enzyme production occurred by using minimal medium containing L-glutamine at pH7 and incubation temperature 45°C after 5 days of growth at 120 rpm. Addition of 3% NaCl enhanced enzyme production. The enzyme was collected and purified by using column chromatography. The purified enzyme showed excellent antitumor activity against the tumor cell line MCF-7 with IC50 of 10μg/ml. In conclusion, saline soil is a good source of bacteria especially genus Streptomyces that produce salt tolerant L-glutaminase, the antitumor agent with more activity and less toxicity. * Corresponding author KEYWORDS
A New GMRES() Method for Markov Chains

This paper presents a class of new accelerated restarted GMRES method for calculating the stationary probability vector of an irreducible Markov chain. We focus on the mechanism of this new hybrid method by showing how to periodically combine the GMRES and vector extrapolation method into a much efficient one for improving the convergence rate in Markov chain problems. Numerical experiments are carried out to demonstrate the efficiency of our new algorithm on several typical Markov chain problems.
Olivine from planetary basalts: Chemical signatures that indicate planetary parentage and those that record igneous setting and process

Abstract The systematics of Mn-Fe, Ni-Co, Ti, Cr, and V in olivine from 13 basalt suites from the Earth, Moon, and Mars were studied by electron and ion microprobe techniques. The results demonstrate that chemical signatures in olivine can be related to: (1) planetary parentage, where differences are the result of initial accretional ratios, source compositions, and oxygen fugacity; and also (2) igneous setting and process, where differences among basalt suites within a planet are a consequence of specific redox conditions in tectonic settings, differing melt compositions, and changes in element partitioning resulting from crystallization sequences and mineral modes. Manganese-Fe systematics indicate planetary parentage where the Mn/Fe ratio in olivine increases with increasing distance from the Sun (with the exception of the Moon, which can be explained). This sequence could be the result of initial Mn/Fe accretional ratios from the start of the solar system. Igneous processes such as differing melt compositions and crystallization sequences cause differences in the Mn/Fe ratios of olivine in basalt suites from the same planet. Nickel-Co and Ti systematics show that planetary signatures result from source-region differences among the three planets. For example, the lunar source regions are depleted in Ni and enriched in Ti, as compared with the Earth and Mars, and these characteristics are reflected in the olivine compositions. The differing partitioning behavior of Ni, Co, and Ti in planetary olivine suites is a result of crystallization sequences and initial melt compositions of the basalts during crystallization. Chromium concentrations in olivine result from differing oxygen fugacities and phase stabilities in the source regions of the three planets, whereas V concentrations in olivine are mostly a consequence of the different overall redox conditions on planetary bodies. Both Cr and V show igneous process signatures owing to different melt compositions, crystallization sequences, and modal mineralogy. Perhaps the most important conclusion from this study is that olivine in planetary basalts records information not only about igneous setting and process but planetary parentage as well, making the study of comparative planetary mineralogy an exciting way to gain new insights into basalt petrogenesis.
The Impact of KPIs on Excellence : A Story from Baggage Handling

There is no clear-cut definition of Operational Excellence (OPEX) in theory or practice. Especially the inflationary use of the term for almost every launched improvement activity rather obscured than clarified its meaning. In some companies it has been used synonymously for cost-cutting, in others similar to Six Sigma or lean production. This chapter explains our understanding of, and our philosophy behind, OPEX. Based on this understanding we discuss the benefits of striving for OPEX in the Pharmaceutical Industry. We start with a short story from a completely different field, the management of a major airline’s baggage handling department. This will foster the understanding of hindrances to excellence in today’s companies. We proceed with examining existing excellence models, and derive common elements. This sets the stage for the introduction and the explanation of the St.Gallen OPEX Model. We then conclude this chapter with our definition of Operational Excellence.
Neurobiology of Syntax as the Core of Human Language

The human language capacity appears to be rooted in the ability to combine words into hierarchical structures making up phrases and sentences. There is substantial evidence that this ability is specific to humans. Other animals can use words or symbols to refer to objects and actions, and can even memorise sequences of syllables and symbols, but only humans create syntactic hierarchies to build up phrases and sentences. In humans syntactic rules and representations together with words constitute the basis of the language system which allows the construction of sentences that carry and convey meaning. The present article focuses on syntax as the hierarchy building component which is unique to humans and thought to be part of their neurobiological endowment (Friederici et al. 2017). This view was already formulated about 50 years ago by Erich Lenneberg (1967) in Biological Foundations of Language. He claimed that there must be an innate biological representation of the abstract structure of language in the human nervous system, and that language was characterised by “concatenations” which obey syntactic principles. Both claims have found supportive evidence in the past 50 years. While Lenneberg formulated his views mainly on the basis of behavioural language data from patients with brain lesions, today’s knowledge is based on data from functional brain imaging, measurements of the grey and white matter structures of the living brain as well the correlation of these with behavioural language measures.
Estimation of the Day of the Week Effect on Stock Market Volatility in the U.S. Manufacturing Sector using GARCH and EGARCH models

This paper carried out two main studies: Part 1 attempted to conduct a set of tests for weak form efficiency (WFE); Part 2 tried to estimate day of the week effect using GARCH and EGARCH models. The principal objective of this paper, hence, is to test the weak-form efficiency for selected three stocks (Molex Incorporated, Monro Muffler Brake, Inc., and Monterey Gourmet Foods, Inc.) and two stock indices (NYSE/AMEX/NASDAQ index capitalisation-based Deciles 1 and 10). As for Part I, this paper identified that there are negative trends on Monday and Wednesday and positive trends are found on Friday. This result also follows the general finding of existing literature. Likewise, the results for Part II showed that Monday, Wednesday, and Friday had negative trends although the sizes of coefficients are small. In addition, different from aforementioned three, returns on Tuesday is significant and positive. Overall, the results seem to provide ample evidence of day of the week effect on stock market volatility.
Convergent evolution and paraphyly of the hawk‐eagles of the genus Spizaetus (Aves, Accipitridae) – phylogenetic analyses based on mitochondrial markers

The phylogenetic relationships within the New and Old World hawk-eagle assemblage (genus Spizaetus; Aves: Accipitridae) were studied using mitochondrial DNA sequences (cytochrome b, control region). Eighty-four specimens representing all Spizaetus species and almost all currently distinguished subspecies as well as 11 other booted and non-booted eagle genera from the Neotropics, Africa, Eurasia, South Asia and Australasia (Oroaetus, Harpia, Morphnus, Lophaetus, Stephanoaetus, Hieraaetus, Aquila, Ictinaetus, Spilornis, Pithecophaga, Harpyopsis) were investigated. Although the basal branching could not be resolved, our investigations clearly indicate that hawk-eagles represent a paraphyletic assemblage and thus their external similarities have to be ascribed to convergent evolution. The New World taxa of Spizaetus cluster together, but the South American species Oroaetus isidori appears embedded within this clade. The taxa from Southeast to East Asia form a clearly separated monophyletic group. It is further divided into two subgroups, which are also characterized by distinct juvenile plumage patterns. Spizaetus africanus, the only African representative of the genus, is found in a mixed cluster consisting of members of the genera Aquila and Hieraaetus. These findings are in accordance with previous studies of other authors based on various molecular markers and different sets of taxa, but disagree with current taxonomy. Therefore, we suggest assigning the species of the genus Spizaetus to three different genera: (1) Spizaetus (including Oroaetus isidori) in Central and South America and (2) Nisaetus for the Southeast to East Asian group. (3) The African taxon (Spizaetus africanus) is discussed to be included into the genus Aquila. Furthermore, we propose to use the former genus name Lophotriorchis Sharpe, 1874, for the monotypic species Hieraaetus kienerii, which has an isolated phylogenetic position.
Mediator Learning and Dowry Determination in an Arranged Marriage Setting

Recently, Batabyal (2005) has analyzed a game model of dowry determination in which a mediator plays a key role. Batabyal’s analysis shows that the equilibrium dowry offers from the bride and the groom optimally trade off the desire to make an assertive offer with the likelihood that this offer will be selected by the mediator. We extend the Batabyal (2005) analysis by studying the impact that learning—about the circumstances of a prospective marriage—by the mediator has on the tripartite interaction between the bride, the groom, and the mediator. Specifically, we first determine the optimal dowry offers from the bride and the groom in a separating perfect Bayesian equilibrium. Next, we show that the mediator perfectly infers the private information of the two parties from their dowry offers and that he then uses this information in part to select his preferred dowry offer.
Body Motion Visualization in Virtual Environment

We present a system for real-time tracking and visualization of body motion in semi-immersive virtual environment. Several parts of user’s body are tracked simultaneously. For each tracked part, a so called “motion trail” is rendered in real-time. After capturing the desired motion, the user can further customize the visualization of individual motion trails. Several types of visualization are available, based on computed geometrical characteristics of motion trails. The whole interaction between the user and the system takes place directly in the virtual environment. In this paper we introduce a concept of motion trails, their characteristics and visualization capabilities. We also describe our virtual environment and used interaction techniques.
Parallel Ant Colony Optimization Algorithm For Vehicle Routing Problem

this paper presents a parallel ant colony algorithm based on Message Passing Interface (MPI) for vehicle routing problem (VRP). At the beginning of the algorithm, a subcolony is simulated in each processor which independently computes to ensure population diversity. In order to overcome the shortcoming of the ant colony algorithm that is easy to fall into local optimum, a method is designed to judge weather the parallel algorithm get into premature stage. Once premature phenomenon turns up in the whole colony, the local search strategy is used to help the algorithm search the better solution. When the iterative process is over, the optimal solution of all ant colony computed is improved by the neighborhood exchange strategy. Experimental results show that the algorithm is effective and feasible especially for the VRP of large scale cities. Keywordsparallel; ant colony algorithm; premature stage
Electromagnetic Characterization of a Composite (RE-CB-MT) by Time Domain Spectroscopy

The aim of this article is to study the dielectric behavior ( , ) in microwaves domain of composites made with Epoxy Resin (RE), Carbon Black (CB), and Magnesium Titanate (MT) on a large band of frequency. This kind of composites is very solicited for applications and miniaturization of the components circuits (cavities, antennas, substrates, etc.) in hyperfrequency electronics. In this study we have also highlighted the effect of the fillers nature and their concentrations on the behavior of these composites. The results obtained by time domain spectroscopy (TDS) have revealed the strong dependence of complex permittivity of the composite materials on both the nature and the concentration of conductive environment. Low frequency analysis (500 MHz) has been investigated to determine the conductivity of composites which is related to the percolation phenomenon. Moreover, the comparison between experimental results and theoretical models shows that the modeling Lichtenecker law is applicable to the ternary mixture in this frequency range and is in accordance with the approach postulated by Bottreau.
Analysis and Design of RCC and Post-Tensioned Flat Slabs Considering Seismic Effect

The post-tensioning method is now a days increasing widely, due to its application. By using post-tensioning method one can design the most economic and the safe design. While using this method more precautions has to be made for shear and deflection criteria for the slabs. The design of post-tensioned flat slab can be done by using load balancing and equivalent frame method. For the application of design procedure an office building is considered as a case study. The plan of the office building (G+4) is considered. This building is designed by considering four cases with different floor systems. The quantities of reinforcing steel, prestressing steel, concrete required for the slab, beam and column is calculated for the same and are presented in tabular form. Along with this total cost of the building per square meter is found and comparison of all the four cases with respect to cost is done.
A framework to study learning in a complex learning environment

This paper presents a framework for analysing variations in the ways in which students experience learning in complex, computer-supported environments. It involves an application of phenomenography extended to encompass the content of the learning as well as its context. Concepts from activity theory are drawn upon to enlarge the scope of phenomenography. By applying this framework, researchers, as well as course organisers, may gain insights into how courses are experienced by the participants and can thus develop these in a way that will be perceived as improvement by the course participants. Within this predominantly phenomenographic approach, the focus is upon the content of the learning experience, giving the ability to relate learning outcomes to the experience of the learning environment. Hence, insights can be gained that can help to improve learning environments and thereby outcomes. A case study illustrating the kinds of results than can be obtained when using the framework is provided.
The Blazhko effect of RR lyrae in 2003-2004

Aims. Extensive photometry of RR Lyr was obtained over a 421-day interval in 2003-2004, covering more than 10 Blazhko cycles in a multisite campaign. The length and density of this data set allow for a detailed analysis. Methods. We used Fourier techniques to study RR Lyr's behavior over the pulsation and the Blazhko cycle. We propose a two-frequency model for decomposing the frequency spectrum. Results. The light variations were fitted with the main radial frequency, its harmonics up to 11th order, and the detected triplet frequencies. No significant quintuplet components were found in the frequency spectrum. Given the total time span of the measurements, we can now unambiguously conclude that the Blazhko period has become notably shorter than the previously known value of 40.8 days, whereas the main pulsation period remained roughly the same. Changes in the modulation period have been reported for other well-studied Blazhko variables. They challenge the explanations for the Blazhko effect which link the modulation period directly to the rotation period. The new photometry reveals an interval in the pulsation cycle of RR Lyr during which the star's intensity barely changes over the Blazhko cycle. This interval occurs during the infalling motion and between the supposed phases of the early and the main shock. The data also permit a more detailed study of the light curve shape at different phases in the Blazhko period through Fourier parameters.
SHARED SECRET-BASED KEY AND FINGERPRINT BINDING SCHEME

Abstrak Salah satu permasalahan utama di dalam melakukan otentikasi pengguna dalam suatu sistem adalah keseimbangan antara akurasi dan kenyamanan. Akurasi berhubungan dengan kemampuan sistem untuk mengenali pengguna yang benar-benar diijinkan atau tidak diijinkan; sedangkan kenyamanan berhubungan dengan penerimaan pengguna terhadap keberadaan sistem. Kedua faktor tersebut merupakan faktor yang penting karena keduanya menentukan apakah sistem otentikasi tersebut dapat diaplikasikan atau tidak. Hal ini berdasarkan asumsi bahwa metode otentikasi yang sangat akurat tetapi sulit dilakukan, akan kurang dapat diterima oleh pengguna. Pada makalah ini, kami mengkombinasikan kemudahan penggunaan sidik jari dan akurasi kunci/kata sandi, sehingga pengguna dapat memanfaatkan kunci/kata sandi yang kuat tanpa harus menghafalnya, dengan menggunakan skema shared secret. Di dalam metode yang diusulkan ini, suatu kunci yang panjang dan random disebarkan ke titiktitik minutiae pada sidik jari, dan selanjutnya dibagi kepada masing-masing deskriptor, yang dalam hal ini dinyatakan dalam suatu vektor. Kunci tersebut hanya bisa direkonstruksi jika terdapat sejumlah deskriptor dan titik minutiae yang saling tumpang tindih. Percobaan yang dilakukan dengan menggunakan basis data publik (FVC2002DB2a) menunjukkan bahwa pendekatan yang diusulkan mempunyai performa yang bagus.
Law of the Minimal Price

This paper introduces a realistic, generalized market modeling framework for which the Law of One Price no longer holds. Instead the Law of the Minimal Price will be derived, which for contingent claims with long term to maturity may provide significantly lower prices than suggested under the currently prevailing approach. This new law only requires the existence of the numeraire portfolio, which turns out to be the portfolio that maximizes expected logarithmic utility. In several ways it will be shown that the numeraire portfolio cannot be outperformed by any nonnegative portfolio. The new Law of the Minimal Price leads directly to the real world pricing formula, which uses the numeraire portfolio as numeraire and the real world probability for calculating conditional expectations. The cost efficient pricing and hedging of extreme maturity zero coupon bonds illustrates the new law in the context of the US market.
Understanding banking regulatory and market framework in South Africa including the perceived strength, weaknesses, opportunities and threats

Following the global financial crisis of 2007, the manner in which banks conduct their business became the subject of interest to authorities. In South Africa, most analysts argued that the financial system was insulated by the prudent regulatory system. This paper reviewed the banking regulation and market framework applicable in the South African context. In reviewing regulation and banking market framework, it was found that the principal legal instrument which seeks to achieve credibility, stability and economic growth, is the Banks Act, No. 94 of 1990 (the Banks Act). Considering the applicable regulation, the paper concluded that South Africa has a developed and well regulated banking system which compares favourably with regulatory environment applied by the developed countries. It was, however; cautioned that further regulation such as the recently announced ‘Twin Peaks' approach to financial regulation could result in unintended consequences, such as driving a larger share of activity into the shadow banking sector.
A novel competitive neural classifier for gesture recognition with small training sets

Gesture recognition is a major area of interest in humancomputer interaction. Recent advances in sensor technology and computer power has allowed us to perform real-time joint tracking with commodity hardware, but robust, adaptable, user-independent usable hand gesture classi cation remains an open problem. Since it is desirable that users can record their own gestures to expand their gesture vocabulary, a method that performs well on small training sets is required. We propose a novel competitive neural classi er (CNC) that recognizes arabic numbers hand gestures with a 98% success rate, even when trained with a small sample set (3 gestures per class). The approach uses the direction of movement between gesture sampling points as features and is time, scale and translation invariant. By using a technique borrowed from object and speaker recognition methods, it is also starting-point invariant, a new property we de ne for closed gestures. We found its performance to be on par with standard classi ers for temporal pattern recognition.
Taiwanese Mothers' Motivations for Teaching English to Their Young Children at Home

Research has shown that mothers' attitudes towards early English language and literacy learning are important for children's English language development. Some researchers have indicated that in Taiwan most parents have a positive attitude towards English instruction and are motivated to teach English at home to their preschoolers. There is, however, little current data available to explain the motivations behind such parents' decisions to teach English to their child in the home before the commencement of formal schooling. We conducted a thematic analysis of the written survey responses of 263 Taiwanese mothers who explained why they taught their preschool children English at home. The findings indicate that English is highly valued for children's school readiness, future career opportunities, and because of its status as a global language. The mothers' motivations for teaching English include the desire to cultivate the child's interest, a belief in 'the earlier the better' for second language learning, and a belief in the need to review and practice English. These findings have the potential to inform educational policies and implementation strategies, as they can reveal whether mothers' motivations align with national priorities for English language education.