bluuebunny/crossref_metadata_2025_split huggingface dataset:
Description of a new species and revised key to species of the Enicospilus antefurcalis species-group from Japan (Hymenoptera: Ichneumonidae: Ophioninae)
Authors: Shimizu So 
Published: May 2018

Abstract
A new species of the genus Enicospilus Stephens, 1835, E. kikuchii sp. nov., which belongs to the ichneumonid subfamily Ophioninae, is described based on two specimens that were collected in Saitama Prefecture of Honshû and Kagoshima Prefecture of Kyûshû in Japan. Enicospilus kikuchii sp. nov. belongs to the E. antefurcalis species-group. A key to species of the group and additional couplets for the key to Indo-Papuan Enicospilus species are provided.
A new Palaearctic Thornburghiella from Transcaucasia (Diptera: Psychodidae)
Authors: Oboňa Jozef , Ježek Jan , Manko Peter 
Published: May 2018

Abstract
One new moth fly species (Diptera: Psychodidae: Psychodinae) is described and illustrated on the basis of male morphological characters: Thornburghiella veve sp. nov. was collected in the vicinity of Pambak River in the mountains of Armenia. Differential diagnoses are given for males of four additional species of Thornburghiella from Transcaucasia, Asia Minor and Central Asia.
Bees of the Socotra Archipelago (Hymenoptera: Anthophila), their biogeography and association with parasites
Authors: Straka Jakub , Batelka Jan , Pauly Alain 
Published: May 2018

Abstract
Taxonomy of bees (Hymenoptera: Anthophila) of the Socotra Archipelago is evaluated based on historical and newly available specimens. Four new species of Halictidae are described from the Socotra Island: Austronomia socotrana Pauly & Straka sp. nov., Lasioglossum (Hemihalictus) boswelliae Pauly & Straka sp. nov., Lasioglossum (Sphecodogastra) dioscoridis Pauly & Straka sp. nov., and Lasioglossum (Ctenonomia) dracaenae Pauly & Straka sp. nov. The correct original spelling of Eucera wfkirbyi Kohl, 1906 is restored, Eucera kirbyi Friese, 1909 being its unjustified emendation and junior objective synonym. Identity of both Socotran species of Xylocopa Latreille, 1802 is clarified. Lasioglossum (Evylaeus) kowitense (Cockerell, 1937), Nomioides facilis (Smith, 1853), and Nomioides rotundiceps Handlirsch, 1888 are removed from the list of bees of Socotra. In total, 28 species in 16 genera are reported from the archipelago, of which nearly two thirds are considered endemic at the species level. Biogeographic origin of Socotran bees is analysed and proposed. Host associations with beetle parasites of the families Meloidae and Ripiphoridae (Coleoptera) and cleptoparasitic bees are evaluated for the Socotran bee fauna. Obligate bee parasitoid Ripiphorus arabiafelix arabiafelix Batelka, 2009 (Coleoptera: Ripiphoridae) is reported from the archipelago (Socotra Island) for the first time.
Causes of Ships Groundings in Terms of Integrated Navigation Model
Authors: Jurdziński Mirosław 
Published: May 2018

AbstractThe paper presents an influence of the navigational model change on the structural and qualitative changes of the ships groundings in international shipping. Data was analyzed based on reports of 75 seagoing vessels in international shipping in the 2000–2014. This study is an attempt to assess the causes of ships groundings in the new integrated navigation model.
Determination of the Last Moment Manoeuvre for Collision Avoidance Using Standards for Ships Manoeuvrability
Authors: Koszelew Jolanta , Wołejsza Piotr 
Published: May 2018

Abstract
The paper presents a concept of the new algorithm solving Last Moment Manoeuvre problem. Last Moment Manoeuvre means that action taken only by one vessel is not enough to avoid collision. This is why both vessels have to synchronize their manoeuvres to pass each other. The main focus of the proposed solution is concentrated on the procedure defining the best possible manoeuvre for each vessel when avoiding a collision is no longer possible. For simplification, the assumption that the parameters of the vessels involved in the Last Moment Manoeuvre meet Standards for Ships Manoeuvrability set out in the IMO resolution, will be adopted. The algorithm presented in the paper will be implemented and tested in the commercial system.
Estimation of a tube diameter in a ‘church window’ condenser based on entropy generation minimization
Authors: Laskowski Rafał , Rusowicz Artur , Grzebielec Andrzej 
Published: May 2018

Abstract
The internal diameter of a tube in a ‘church window’ condenser was estimated using an entropy generation minimization approach. The adopted model took into account the entropy generation due to heat transfer and flow resistance from the cooling-water side. Calculations were performed considering two equations for the flow resistance coefficient for four different roughness values of a condenser tube. Following the analysis, the internal diameter of the tube was obtained in the range of 17.5 mm to 20 mm (the current internal diameter of the condenser tube is 22 mm). The calculated diameter depends on and is positively related to the roughness assumed in the model.
Analysis of components effecting free convection intensity in steel rectangular sections
Authors: Wyczółkowski Rafał 
Published: May 2018

Abstract
Free convection is one of the heat transfer modes which occurs within the heat-treated bundles of steel rectangular section. A comprehensive study of this phenomenon is necessary for optimizing the heating process of this type of charge. The free convection intensity is represented by the Rayleigh number Ra. The value of this criterion depends on the following parameters: the mean section temperature, temperature difference within the section, kinematic coefficient of viscosity, volume expansion coefficient and the Prandtl number. The paper presents the analysis of the impact of these factors on free convection in steel rectangular sections. The starting point for this analysis were the results of experimental examinations. It was found that the highest intensity of this process occurs for the temperature of 100 °C. This is mainly caused by changes in the temperature difference observed in the area of sections and changes in kinematic coefficient of viscosity of air. The increase in the value of the Rayleigh number criterion at the initial stage is attributable to changes in the parameter of temperature difference within the section. After exceeding 100 °C, the main effect on convection is from changes in air viscosity. Thus, with further increase in temperature, the Rayleigh number starts to decline rapidly despite further rise in the difference in temperature.
Cancer incidence in HIV patients under HAART therapy in a HIV-1 F1 subtype endemic area
Authors: Chirila S. , Hangan L.T. , Rugina S. 
Published: May 2018

Abstract
Cancers have been recognized as a major health problem in patients with HIV. The first cases reported, before the existence of the virus was proven, involved patients with immunosuppression and a history of illness characterized by fever, weight loss and/or lymphadenopathy lasting weeks of months. As the population grows older, a consequence of better and largely available treatments, the impact of non-AIDS-defining cancers (NADC) is having a greater impact on the management of HIV infected patients. Studies of different subtypes of HIV-1 in Romania show a very high prevalence of subtype F1, with values between 70% - 90% or the patients being infected with this strain. The study of HIV infected population in Romania is important for identifying particularities of the subtype F1 evolution.
We conducted a prospective study on HIV positive patients under HAART treatment from the Constanta Regional Centre, for a period of eight years, between 2007-2015. All causes of new discovered cancers were recorded with the occasion of subsequent visits that are done on a regular basis. For comparison we used official data from of new diagnosed cancers from reports on health status for Constanta County for the same time period. The adjusted incidence ratio is 955.18/100000patient-years (95% CI 446.58 – 1463.75/100000 patient-years). As observed in similar studies conducted.
HIV patients that undergo HAART treatment have an increased risk of all cancers significantly higher than what is observed in the general population. Considering this, better screening programs have to be developed and implemented for this population. Also, because of the suspicioned high number of HIV infected patients that are not diagnosed, a screening program for HIV should be implemented for all newly diagnosed patients with any type of malignancy.
Effect Of Five Proteases Including Alcalase, Flavourzyme, Papain, Proteinase K And Trypsin On Antioxidative Activities Of Casein Hydrolysate From Goat Milk
Authors: Shu Guowei , Zhang Qian , Chen He , Wan Hongchang , Li Hong 
Published: May 2018

Abstract
Oxidation was related to the pathogenesis of human diseases. Adequate intake of antioxidant activity of food can reduce the levels of free radicals, prevent lipid peroxidation, and help the body against diseases. In the paper, casein from goat milk was hydrolyzed by five commercial proteases, namely, Alcalase, flavourzyme, papain, proteinase K and trypsin. The antioxidant activities of casein hydrolysates were assessed by evaluating hydrolysis degree, DPPH radical-scavenging activity, metal-chelating activity and superoxide radical scavenging activity. The results showed as follows: the DH of proteinase K, Alcalase, and trypsin were higher significantly than those of papain and flavourzyme. The Fe2+-chelation activity and superoxide radical scavenging activity of casein hydrolysates from goat milk by Alcalase was higher than the others, the DPPH scavenging activities of casein hydrolysates by Alcalase and papain was higher than the others and the DPPH scavenging activities by Alcalase and papain had no significant diffierence (p<0.05), so the optimal proteinase for hydrolysis casein from goat milk to produce antioxidant peptide was Alcalase.
Antimicrobial Effects Of The Ethanolic Extracts And Essential Oils Of Tanacetum Vulgare L From Romania
Authors: Mureşan Maria Lucia 
Published: May 2018

Abstract
This paper investigates the antimicrobial action of the extracts and essential oil of wildgrowing Tanacetum vulgare L on: Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Bacilus subtilis, using the diffusion disc method. The essential oils but also the ethanolic extracts tested exhibited moderate action on Staphilococcus aureus and Bacillus subtilis and low action on E. coli and Pseudomonas aeruginosa. The moderate antimicrobial activity is related to the amount of some chemical components of the essential oil of T. vulgare flos. Thus, this paper presents also the quantitative and qualitative analysis of the essential oils of T. vulgare harvested from two different habitats. The essential oils obtained by steam-distillation were analysed by gas-cromatography coupled with mass spectrometry (GC-MS).
Human Simulation in the Assembling and Disassembling Activities
Authors: Ghinea Rares Adrian , Popister Florin , Kiss Robert 
Published: May 2018

Abstract
The present paper proposes a simulation algorithm of the human operator in the assembly and disassembly operations. It is presented a methodology of simulation of the human operator’s in the virtual environment as well as the steps to allow identification of the variables of the simulation for an operation of assembly/disassembly/maintenance of a pneumatic valve. The time period of the tasks used in the simulation carried out in Delmia V5 are based on the time period that a real operator requires in order to complete these same tasks
Independent [1,2]-number versus independent domination number
Authors: Aleid Sahar A. , Mora Mercè , Puertas María Luz 
Published: May 2018

Abstract
A [1; 2]-set S in a graph G is a vertex subset such that every vertex not in S has at least one and at most two neighbors in it. If the additional requirement that the set be independent is added, the existence of such sets is not guaranteed in every graph. In this paper we provide local conditions, depending on the degree of vertices, for the existence of independent [1; 2]-sets in caterpillars. We also study the relationship between independent [1; 2]-sets and independent dominating sets in this graph class, that allows us to obtain an upper bound for the associated parameter, the independent [1; 2]-number, in terms of the independent domination number.
Square Roots of Real 3 × 3 Matrices vs. Quartic Polynomials with Real Zeros
Authors: Anghel Nicolae 
Published: May 2018

Abstract
Abstract There is an interesting analogy between the description of the real square roots of 3×3 matrices and the zeros of the (depressed) real quartic polynomials. This analogy, which in fact better explains the nature of the zeros of those polynomials, is unveiled through a natural use of the Cayley-Hamilton theorem.
Some Improvements of Hölder's Inequality on Time Scales
Authors: Dinu Cristian , Stancu Mihai , Dănciulescu Daniela 
Published: May 2018

Abstract
The theory and applications of dynamic derivatives on time scales have recently received considerable interest. In this paper, we define a function using the combined diamond- α integral, investigate its monotonicity and give some refinements for Hölder's inequality. We present some applications for ℤ and ℝ.
A note on generalization of Zermelo navigation problem on Riemannian manifolds with strong perturbation
Authors: Kopacz Piotr 
Published: May 2018

Abstract
We generalize the Zermelo navigation on Riemannian manifolds (M; h), admitting a space dependence of a ship's speed 0 < |u(x)|h ≤ 1 in the presence of a perturbation W̃ determined by a strong (critical) velocity vector field satisfying |W̃ (x)|h = |u(x)|h, with application of Finsler metric of Kropina type.
Positive bounded solutions for nonlinear polyharmonic problems in the unit ball
Authors: Mâagli Habib , Zine El Abidine Zagharide 
Published: May 2018

Abstract
In this paper, we study the existence of positive solutions for the following nonlinear polyharmonic equation (-∆)mu+λf(x, u) = 0 in B; subject to some boundary conditions, where m is a positive integer, λ is a nonnegative constant and B is the unit ball of ℝn (n ≥ 2). Under some appropriate assumptions on the nonnegative nonlinearity term f(x, u) and by using the Schäuder fixed point theorem, the existence of positive solutions is obtained. At last, examples are given for illustration.
On logarithmic residue of monogenic functions in a three-dimensional commutative algebra with one-dimensional radical
Authors: Pukhtaievych Roman , Plaksa Sergiy 
Published: May 2018

Abstract
We consider monogenic functions taking values in a three-dimensional commutative algebra A2 over the field of complex numbers with one- dimensional radical. We calculate the logarithmic residues of monogenic functions acting from a three-dimensional real subspace of A2 into A2. It is shown that the logarithmic residue depends not only on zeros and singular points of a function but also on points at which the function takes values in ideals of A2, and, in general case, is a hypercomplex number.
Bounds on the Third Order Hankel Determinant for Certain Subclasses of Analytic Functions
Authors: Vijayalakshmi S.P. , Sudharsan T.V. , Breaz Daniel , Subramanian K.G. 
Published: May 2018

Abstract
Let A be the class of analytic functions f(z) in the unit disc ∆ = {z ∈ C : |z| < 1g with the Taylor series expansion about the origin given by f(z) = z+ ∑n=2
∞ anzn, z ∈∆ : The focus of this paper is on deriving upper bounds for the third order Hankel determinant H3(1) for two new subclasses of A.
Landscape function analysis as a base of landscape visions
Authors: Filepné Kovács Krisztina , Valánszki István , Sallay Ágnes , Jombach Sándor , Mikházi Zsuzsanna , Kollányi László 
Published: May 2018

Abstract
An essential condition for the success of rural areas is the harmonious enforcement of ecologic, economic, and other educational, cultural, aesthetic goods/services of landscape, diversity of landscape functions. Landscape function analysis is a useful tool for the complex evaluation of rural regions. Using statistic and spatial data, we explored the landscape resources, potentials, and limitations of two pilot regions. But what about the future? Based on the landscape function analysis, we have defined special types of regions/landscape visions according to the long-term ability to retain population by the comparison of economic, production, and habitat value of the landscape.
If Development, Then Sustainability
Authors: Bóna Péter 
Published: May 2018

Abstract
The aim of this study is to explore how the effects of components belonging to the concept of strategic management system influence outstanding achievement and success in the processing industry in Hungary as well as the sustainability success component within that. In order to do that, the study defines the factors having an influence. Thereafter, it explains the successful operation of companies with the help of factors emerging via path analysis using regression models. It uses the balanced scorecard as a tool for success criteria describing success. This is a non-market aspect that has an impact on the whole system, making it of crucial importance. Via the exploration of effects, it can be shown the deliberate use of those factors that generate outstanding results and success from the point of view of sustainability, and thus internal development, customer appreciation, and financial success. By taking the results of the research into consideration, it will also be revealed that success factors in the processing industry in Hungary have the most direct and the largest impact on outstanding sustainability performance.
A Repression of Czechoslovak Citizens in the USSR
Authors: Hornik Jan 
Published: May 2018

Abstract
Around 30,000 citizens of pre-war Czechoslovakia were persecuted in the Soviet Union, at least 5.000 originated from Czech lands. One of the groups consist of the people who in the period of 1939-1942 sought refuge in the USSR from German or Hungarian Nazism, or who wanted to actively fight against it. They ended up in the Gulag, from which they were freed during an amnesty linked to the creation of a Czechoslovak unit in the USSR. Many were Czechoslovak Jews, including those who escaped from the Nazi concentration camp in Poland. Nisko, while thousands were inhabitants of Carpathian Ruthenia.
Extensional quotient coalgebras
Authors: Mavoungou Jean-Paul 
Published: May 2018

Abstract
Given an endofunctor F of an arbitrary category, any maximal element of the lattice of congruence relations on an F-coalgebra (A, a) is called a coatomic congruence relation on (A, a). Besides, a coatomic congruence relation K is said to be factor split if the canonical homomor-phism ν : AK → A
∇
A
splits, where ∇
A is the largest congruence relation on (A, a). Assuming that F is a covarietor which preserves regular monos, we prove under suitable assumptions on the underlying category that, every quotient coalgebra can be made extensional by taking the regular quotient of an F-coalgebra with respect to a coatomic and not factor split congruence relation or its largest congruence relation.
Sesquilinear version of numerical range and numerical radius
Authors: Moradi Hamid Reza , Omidvar Mohsen Erfanian , Dragomir Silvestru Sever , Khan Mohammad Saeed 
Published: May 2018

AbstractIn this paper by using the notion of sesquilinear form we introduce a new class of numerical range and numerical radius in normed space 𝒱, also its various characterizations are given. We apply our results to get some inequalities.
An explicit formula for derivative polynomials of the tangent function
Authors: Qi Feng , Guo Bai-Ni 
Published: May 2018

Abstract
In the paper, the authors derive an explicit formula for derivative polynomials of the tangent function, deduce an explicit formula for tangent numbers, pose an open problem about obtaining an alternative and explicit formula for derivative polynomials of the tangent function, and recommend some papers closely related to derivative polynomials of other elementary and applicable functions.
Alien and invasive species in plant communities of the Vistula and Brennica rivers gravel bars (Western Carpathians, Poland)
Authors: Wilczek Zbigniew , Chabowska Zuzanna , Zarzycki Wojciech 
Published: May 2018

Abstract
Gravel bars are the initial habitats, inseparably connected to the mountain streams. On the one hand, they are an unstable substrate, influenced by the overflows and high waters; however, they are also exposed to strong sunlight and heat. This situation determines specific vegetation which, due to dynamic changes in the habitat, has a pioneer character. What is more, gravel bars are areas where many river migratory species and many random species appear. Among them, there are also synanthropic species. In years 2011-2012, floristic and phytosociological studies were conducted in the Silesian Beskids. The goal of these studies was to recognize the vegetation of the gravel bars of the Vistula and the Brennica rivers - from their springs in the Silesian Beskids to the point where the Brennica River flows into the Vistula River in the Silesian Foothills. The studied section of the two rivers is regulated. Particular attention was paid to the synanthropic species that pose a threat to the native flora. In 9 recognized types of plant communities, 293 vascular plant species were recognized. More than 15% of the flora were alien species (45) and 22 of them were considered to be invasive. The most common invasive species that were spotted included: Impatiens glandulifera, Heracleum mantegazzianum and Reynoutria japonica. Plant communities with the biggest number and share of alien species were Plantago major-Barbarea vulgaris community and Phalaridetum arundinaceae.
Employers as Nightmare Readers: An Analysis of Ethical and Legal Concerns Regarding Employer-Employee Practices on SNS
Authors: Suder Seili , Siibak Andra 
Published: May 2018

AbstractThe aim of this interdisciplinary paper is to study the social reality surrounding the data processing practices employers and employees engage in on social networking sites (SNS). Considering the lack of empirical studies, as well as the considerable uncertainty in the way personal data protection is implemented across the European Union (EU), the paper offers insights on the topic. Qualitative text analysis of semi-structured interviews with employers from the service sector (N=10) and the field of media and communication (N=15), as well as employers from organisations which had experienced various problems due to things their employees had posted on social media (N=14), and employees from the financial sector (N=15) were carried out to explore whether the data protection principles, which can be viewed as the most important guidelines for employers in the EU, are actually followed in their everyday SNS data processing practices. Even though the data protection principles emphasise the need for fair, purposeful, transparent, minimal and accurate processing of personal data, our interviews with employers and employees reveal that the actual SNS processing practices rarely live up to the standards. Our findings indicate that there is a growing mismatch between the social reality and legal requirements regarding data subjects.