bluuebunny/crossref_metadata_2025 huggingface dataset:
Hubungan Kadar Copeptin Serum dengan Derajat Pneumonia pada anak balita
Authors: Rianasyah Rianasyah , Wahani Audrey MI , Sondakh Diana Takumansang
Published: September 2016

Latar belakang. Peran copeptin pada pneumonia masih merupakan kontroversi.Tujuan. Mengetahui hubungan antara kadar copeptin serum dengan derajat pneumonia pada anak balita.Metode. Kami melakukan penelitian secara cross sectional pada anak dengan kriteria pneumonia menurut kriteria WHO dan radiologis. Sampel diambil secara consecutive sampling dan dilakukan pemeriksaan kadar copeptin serum. Orang tua atau wali subjek penelitian diminta menandatangani inform consent. Penelitian ini dilaksanakan dibawah persetujuan Komite Etik.Hasil. Didapatkan hasil 38 anak yang terdiri dari 25 laki-laki dan 13 perempuan dengan rerata umur 14,26 (SD 13,544) bulan. Rerata kadar copeptin serum 13.868 ng/mL. Didapatkan hubungan positf antara kadar copeptin serum dengan derajat pneumonia. (r = 0,781 dan p<0,0001)Kesimpulan. Terdapat hubungan yang sangat bermakna dan kuat antara kadar copeptin dengan derajat pneumonia.
Large radicular cyst with both buccal and palatal cortical bones perforation secondary to vital pulp therapy failure
Authors: Nakhaee Mahdie , Ashraf Hengameh , Hosseinpour Sepanta , Mashhadiabbas Fatemeh
Published: September 2016

Radicular cyst as the most common odontogenic cyst usually arises from residual epithelial cells stimulated by inflammatory factors initiating by pulpal necrosis of a non-vital tooth. Radicular cyst is commonly asymptomatic, slow grower, and rarely invade near bony structures. Many treatment approaches are presented for a radicular cyst like surgical endodontic treatment, tooth extraction, enucleation, and marsupialization. In this case treatment plan compromised with root canal therapy and surgical enucleation of cystic lesion. This case report presents a large radicular cyst in a vital maxillary first molar with only one necrotic root canal secondary to direct pulp capping with mineral trioxide aggregate with buccal and palatal cortical bone perforation.
Inhibition of thioacetamide induced liver intoxication and in-vitro antioxidant capacity of the Hugonia mystax
Authors: T Rajananda Swamy , T Mallikarjuna Rao , B Ganga Rao
Published: September 2016

Background: The using of synthetic drugs in adequate manner for the treatments of liver diseases are causes the different side effect. Therefore, there is need to search for new bioactive compounds to control liver diseases. In this point of view, we selected the medicinal plant H. mystax to evaluate of its antioxidant and hepatoprotective potentiality and isolation of its constituents, because it has been using in traditional medicine in the treatment of different diseases.Methods: Different extracts were prepared from H. mystax using maceration extraction process.Antioxidant activity was carried out using standard test procedures on Superoxide, Hydroxyl and DPPH free radicals. Hepatoprotective was tested using Thioacetamide (TAA) induced liver intoxication in rats.Results: The H. mystax extracts were showed dose dependent antioxidant and hepatoprotective activities. Tested extracts of H. mystax have more activity on hydroxyl free radical than superoxide and DPPH radicals and among all extracts hydroalcoholic extract showed more activity. The extracts of H. mystax significantly restored the altered biochemical parameters due to TAA induced liver intoxication and hydroalcoholic extract exhibited more significant activity. So, the hydroalcoholic extract was used for the isolation of phytochemical constituents through column chromatography and isolated HM-1 and HM-2 compounds and are identified as stigmasterol and β-sitosterol.Conclusion: From the results of the study, it could be conclude that H. mystax have the capacity in reduction of free radicals and normalization of liver function when it damage due to different liver intoxications and further research is need to evaluate more pharmacological activities and in isolation of most active bioactive compounds from H. mystax.
ATM kinase inhibitor KU-55933 contribution in cisplatin mediated HeLa proliferation
Authors: Bhatkar Devyani , Kumar Ajay , Jahagirdar Devashree , Purohit Shruti , Sharma Nilesh Kumar
Published: September 2016

Several approaches including chemotherapy and radiation therapies are being at the forefront to treat various types of cancer including cervical cancer. However, the success and failure of genotoxic based therapy is attributed to aberrant ability of carcinoma to patch up genomic breaks. Here, we have used cisplatin as a genotoxic drug model and HeLa as in vitro carcinoma model due to less responsiveness and resistance of HeLa against cisplatin. Here, attempts are made to investigate the effects of DNA double strand break inhibitor KU-55933 against the cisplatin cell growth and cytotoxicity. Following experiments namely in vitro plasmid DNA metabolizing, Trypan blue dye exclusion, MTT, and PI based Flow cytometery PI assays were conducted to study cell growth and cytotoxicity effects. Based on the cell viability and PI based staining data, results remarked that KU-55933 combined with cisplatin could bring convincing cell growth arrest in HeLa. The reduction in HeLa proliferation was noticed from 70% to 30% in case of KU-55933 added with cisplatin over cisplatin alone. However, we noticed none apoptosis based cell cytotoxicity in case of cisplatin alone or combined with the inhibitors. We also observed significant DNA instability in case of KU-55933 treated HeLa lysates added to plasmid DNA substrate over HeLa lysate without KU-55933 treatment. In conclusion, KU-55933 can potentiate low dose of cisplatin response against HeLa. The effect of KU-55933 may not be attributed due to its enhancing the apoptosis way, rather than through cell growth arrest mechanism due to extensive DNA breaks.
Getting practice into evidence
Authors: Watson Roger
Published: September 2016

.
Comparison of self-esteem and quality of life between residents of old people's home and the elders living at home
Authors: Pluzarić Jadranka , Ilakovac Vesna , Železnik Danica
Published: September 2016

Introduction: Research on self-esteem and quality of life has been so far predominantly focused on younger age groups. The aim of this cross-sectional study was to examine the differences regarding self-esteem and quality of life between the residents of old people's home and the elders living at home. Methods: A questionnaire used in the survey inquired about socio-demographic data and the respondents' activities. It included the respondents' self-esteem assessment, based on the Rosenberg Self-esteem Scale (RSES), the assessment of quality of life, based on the Satisfaction With Life Scale (SWLS) and the assessment of their functional abilities. The purposive sample included 204 respondents. The research was conducted from November 2012 to March 2013. Results: The respondents in both groups expressed equal satisfaction with life (p = 0.846). The respondents who live in their own home demonstrate higher self-esteem than those who live in old people's home (difference in mean scores of the RSES was 3.4; 95 % CI for the difference from 1.0 to 5.8; t-test for independent samples, p = 0.005). Results of the study suggest that the respondents with higher self-esteem are more satisfied with their life (p = 0.537, p < 0.001). Discussion and conclusion: Self-esteem has to be recognised as a factor associated with the quality of life and should therefore be included in the care of the elderly. Timely and adequate interventions may prevent the decline in quality of life, which requires adequate training of health personnel and family members, and the public awareness.
Physical activity of graduated nurses in one-and multiple-shift work
Authors: Škrbina Vanja , Zurc Joca
Published: September 2016

Introduction: Physical activity enables nurses to better control their mental and physical strain at work, which is important for ensuring quality patient treatment. The aim of the research was to study differences in graduate nurses' physical activity in terms of their working hours, motives and obstacles to regular, free-time physical exercising. Methods: A quantitative survey with two-stage random sampling included 349 graduate nurses employed in the secondary or tertiary levels of healthcare institutions in Slovenia who work one shift (41 %) or multiple shifts (59 %). The data were collected with a questionnaire in 2012 and analysed with a chi-square test, a t-test for independent samples and discriminant analysis. Results: Graduate nurses with one shift perform physical activity more often (p < 0.001) and are more involved in organised physical exercise (p < 0.001) than those who work multiple shifts. The motives for oneshift graduate nurses to engage in physical activity are to control stress, a better mood, along with the desire for exercising, moving and relaxation, whereas nurses who work several shifts encounter obstacles due to not exercising regularly, such as work absences, the fact the effects of exercising are not immediately seen, and the lack of free time (p = 0.025). Discussion and conclusion: The research showed that graduate nurses are not sufficiently physically active. Especially those who work multiple shifts are in danger due to the less organised and lower frequency of activities. It is important to promote health in the workplace in various forms, such as active breaks during work hours and sports games for employees and their families.
A Comparison of the Potency of Newly Developed Oximes (K347, K628) and Currently Available Oximes (Obidoxime, HI-6) to Counteract Acute Neurotoxic Effects of Tabun in Rats
Authors: Kassa Jiří , Žďárová Karasová Jana , Tesařová Sandra , Musílek Kamil , Kuča Kamil
Published: September 2016

The ability of newly developed oximes (K347, K628) to reduce tabun-induced acute neurotoxic signs and symptoms was compared with currently available oximes (obidoxime, HI-6) using a functional observational battery. The neuroprotective effects of the oximes studied (K347, K628, obidoxime, HI-6) combined with atropine on rats poisoned with tabun at a sublethal dose (220 μg/kg i.m.; 80 % of LD50 value) were evaluated. Tabun-induced neurotoxicity was monitored by a functional observational battery and automatic measurement of motor activity at 24 hours following tabun challenge. The results indicate that all tested oximes combined with atropine enable tabun-poisoned rats to survive 24 hours following tabun challenge. Both newly developed oximes (K347, K628) combined with atropine are able to decrease tabun-induced neurotoxicity in the case of sublethal poisonings but they do not eliminate all tabun-induced acute neurotoxic signs and symptoms. Their ability to decrease the tabun-induced acute neurotoxicity is higher than that of the oxime HI-6 and it is slightly slower than the neuroprotective efficacy of obidoxime. As the neuroprotective potency of both newly developed oximes (K347, K628) is not as high as the potency of obidoxime, they are not a suitable replacement for obidoxime for the treatment of acute tabun poisonings.
News in Pathogenesis of Chronic Venous Insufficiency
Authors: Mazuchova J , Pec M , Halasova E , Valentova V , Sarlinova M , Mazuch J , Zelnik S
Published: September 2016

This review article is concentrating on the news in the pathophysiology of chronic venous insufficiency (CVD). Despite ongoing progress in understanding the molecular aspects of CVD the exact mechanism of its development remains unclear. Many different factors may play role in the pathogenesis of CVD, including changes in hydrostatic pressure, valvular incompetence, increased capillary permeability, endothelial dysfunction, activation of leukocytes, deep venous obstruction, capillary microthrombosis, ineffective function of calf muscle pump, biochemical and structural changes in the vessel wall, extracellular matrix alteration, and several other mechanisms. A better understanding of the pathophysiology is an important step in the finding of new potential treatment.
Monitoring the Depth of General Anaesthesia with Bis Monitor in the Course of Surgical Procedure in Children Shortens the Period of Recovery from General Anaesthesia
Authors: Divak J , Frelich M , Dragula M , Tomaskova H
Published: September 2016

Monitoring the depth of general anaesthesia (GA) enables the anaesthetist to reach the optimal depth of GA, and thus prevent the occurrence of too deep or too shallow anaesthesia, together with all associated consequences. Anaesthesia, which is too shallow, increases the risk of perioperative awareness. In adult patients, the incidence of perioperative awareness is 0.1-0.2 % for the total number of GA procedures, in paediatric population, the clinical studies present the incidence of up to 5 % (1973), 0.8 % (2005) for the total number of GA procedures. Perioperative awareness is a serious complication, with possible psychological consequences for the patients, including post-traumatic stress disorder.

BIS monitoring is one of the possibilities how to assess the depth of GA. This technique is based on the assessment of EEG curve, when individual parameters of the EEG signal are, using mathematical methods, transformed into a dimensionless number, so-called bispectral index (BIS), the value of which is expressed on the scale from 0 to 100, and which reflects the depth of general anaesthesia.

This prospective randomized clinical trial has proven, on a group of 101 children that the use of BIS monitor in the course of GA shortens the period of recovery from general anaesthesia, however, it does not decrease the consumption of inhalation anaesthetics when compared to GA performed without BIS monitoring. The results of the study confirmed the importance of monitoring the depth of GA in patients with intravenous administration of Propofol. The authors have observed an inverse linear relation between the values of BIS and MAC (minimum alveolar concentration).
Review of a New Multimodal Antidepressant Vortioxetine
Authors: Oppa M , Cesnekova D , Nosalova G , Ondrejka I
Published: September 2016

Vortioxetine is a novel antidepressant with two mechanisms of action – direct effect on several serotonin receptors and serotonin re-uptake inhibition. It shows antidepressant, anxiolytic and cognitive effects during the treatment of major depressive disorder (MDD). The aim of this article was to summarize the use of vortioxetine in clinical studies and assess the efficacy and tolerability. Most of the studies reported a statistically significant efficacy for vortioxetine versus placebo. In addition, vortioxetine showed efficacy in patients with an inadequate response to selective serotonin re-uptake inhibitors (SSRI) or serotonin-noradrenaline re-uptake inhibitors (SNRI) monotherapy and improved cognitive function in patients with MDD. In these studies, vortioxetine was well tolerated – most common observed adverse effect was nausea – and it was not associated with clinically important changes in laboratory test results or vital signs. Vortioxetine showed a relatively low incidence of sexual dysfunction.
Analysis of Defects in Castings Cast by Rheocasting Method SEED
Authors: Bryksi Stunova B. , Bryksi V.
Published: September 2016

The paper analyses specific defects of castings produced by semi-solid casting process, especially rheocasting method SEED, which uses mechanical swirling for reaching proper structure in semisolid state with high content of solid fraction. Heat treated alloy AlSi7Mg0.3 was applied for producing an Engine Bracket casting part. For observing structure, metallographic observation by light and SEM microscopy was used. To analyse the process, software ProCAST was used to simulate the movements in shot chamber and filling of the mold.
Evaluation of Precipitates Type in Brasses as a Function of Charge Material
Authors: Bydałek A.W. , Najman K. , Kula A. , Biernat S. , Błaż L. , Wołczyński W.
Published: September 2016

Trial series of cast alloy MO59 obtained from qualified scrap was investigated. SEM and TEM of resulting precipitates were conducted. The SEM analysis demonstrated the dependence of silicon, phosphorus, iron, chromium and nickel in the composition of the so-called hard precipitates. TEM analysis showed the formation of phase AlFeSi and AlCr. Made studies have shown the important role of the composition of the batch melts brass CuZn39Pb2 type. The analysis of SEM and TEM resulting precipitates pointed to the formation of various forms of divisions, only one of which was described in the literature character of the so-called hard inclusions. The SEM studies demonstrated the dependence of the occurrence of inclusions rich in silicon, phosphorus, iron, chromium and nickel. In contrast, additional TEM analysis indicated the formation of AlFeSi phase type and AlCr. The results of the analyses referred to the structure of the batch. Due to the difficulty of obtaining recycled materials that do not contain these elements necessary to carry out further analyzes in the direction of defining the role of phosphorus in the formation of the so-called hard inclusions.
Archaeometallurgical Investigations of the Early Iron Age Casting Workshop at Kamieniec. A Preliminary Study
Authors: Garbacz-Klempka A. , Kowalski Ł. , Kozana J. , Gackowski J. , Perek-Nowak M. , Szczepańska G. , Piękoś M.
Published: September 2016

This preliminary study characterizes the bronze metalworking on a defensive settlement of the Lusatian culture in former Kamieniec (Chełmno land, Poland) as it is reflected through casting workshop recovered during recent excavations. Among ready products, the ones giving evidence of local metallurgy (e.g. casting moulds and main runners) were also identified. With the shrinkage cavities and dendritic microstructures revealed, the artifacts prove the implementing a casting method by the Lusatian culture metalworkers. The elemental composition indicates application of two main types of bronzes: Cu-Sn and Cu-Pb. Aside these main alloying additions, some natural impurities such as silver, arsenic, antimony and nickel were found which may be attributed to the origin of the ore and casting technology.

The collection from Kamieniec was described in terms of its structure and composition. The investigations were made by means of the energy dispersive X-ray fluorescence spectroscopy (ED-XRF), scanning electron microscopy (SEM) coupled with an energy dispersive X-ray analysis system (EDS) and optical microscopy (OM). In order to fingerprint either local or non-local profile of the alloys, the ED-XRF data-set was statistically evaluated using a factor analysis (FA).
Modelling and Optimization of Organization of Workplaces in a Foundry
Authors: Kukla S.
Published: September 2016

The paper presents a practical example of improvement of foundry production systems in terms of post-finishing of nodular iron castings produced in the conditions of bulk production for automotive industry. The attention was paid to high labour-intensive efforts, which are difficult to be subjected to mechanization and automation. The times of actions related to grinding processing of castings in three grinding positions connected with a belt conveyor were estimated with the use of a time study method. A bottleneck as well as limiting factors were specified in a system. A number of improvements were proposed, aimed at improving work organization on the castings post-finishing line. An analysis of work ergonomics at the workplace was made in order to eliminate unnecessary and onerous for the employee actions. A model of production system using the Arena software, on which a simulation experiment was conducted, was drawn up in order to visualize the analysed phenomena. The effects of the project were shown on graphs comparing times, costs, work ergonomics and overall efficiency of production equipment indicator.
Investigation of Some Moulding Properties of a Nigerian Clay-Bonded Sand
Authors: Oke A.O. , Omidiji B.V.
Published: September 2016

Moulding properties of Isasa River Sand bonded with Ipetumodu clay (Ife-North Local Government Area, Osun State, Nigeria) were investigated. American Foundry men Society (AFS) standard cylindrical specimens 50mm diameter and 50mm in height were prepared from various sand and clay ratios (between 18% and 32%) with 15% water content. The stress-strain curves were generated from a universal strength testing machine. A flow factor was calculated from the inclination of the falling slope beyond the maximum compressive strength. The result shows that the flowability of the samples increases from 18% to 26% clay content, its maximum value was attained at 26% and then it decreases from 30% to 32% clay content. The green compressive strength, dry compressive strength and air permeability values obtained from the mould samples were in accordance with standard values used in foundry practice. The x-ray diffraction test shows that the sand contains silicon oxide (SiO2), Aluminium oxide (Al2O3), and Aluminium silicate (Al6Si2O13). The mould samples were heated to a temperature of 1200 °C to determine the sintering temperature; fussion did not take place at this temperature. The results showed that the sand and clay mixture can be used to cast ferrous and non-ferrous alloys.
Heat Treatment of a Casting Element of a Through Clamp to Suspension of Electric Cables on Line Post Insulators
Authors: Pezda J.
Published: September 2016

Heat treatment of a casting elements poured from silumins belongs to technological processes aimed mainly at change of their mechanical properties in solid state, inducing predetermined structural changes, which are based on precipitation processes (structural strengthening of the material), being a derivative of temperature and duration of solutioning and ageing operations. The subject-matter of this paper is the issue concerning implementation of a heat treatment process, basing on selection of dispersion hardening parameters to assure improvement of technological quality in terms of mechanical properties of a clamping element of energy network suspension, poured from hypoeutectic silumin of the LM25 brand; performed on the basis of experimental research program with use of the ATD method, serving to determination of temperature range of solutioning and ageing treatments. The heat treatment performed in laboratory conditions on a component of energy network suspension has enabled increase of the tensile strength Rm and the hardness HB with about 60-70% comparing to the casting without the heat treatment, when the casting was solutioned at temperature 520 °C for 1 hour and aged at temperature 165 °C during 3 hours.
Effect of Cr and W on the Crystallization Process, the Microstructure and Properties of Hypoeutectic Silumin to Pressure Die Casting
Authors: Szymczak T. , Gumienny G. , Pacyniak T.
Published: September 2016

This article presents the results of studies in the hypoeutectic silumin destined for pressure die casting with the simultaneous addition of chromium and tungsten. The study involved the derivative and thermal analysis of the crystallization process, metallographic analysis and mechanical properties testing. Silumin 226 grade was destined for studies. It is a typical silumin to pressure die casting. AlCr15 and AlW8 preliminary alloys were added to silumin. Its quantity allowed to obtain 0.1, 0.2, 0.3 and 0.4% of Cr and W in the tested alloy. Studies of the crystallization process as well as the microstructure of the silumin poured into DTA sampler allowed to state the presence of additional phase containing 0.2% or more Cr and W. It has not occurred in silumin without the addition of above mentioned elements. It is probably the intermetallic phase containing Cr and W. DTA studies have shown this phase crystallizes at a higher temperature range than α (Al) solid solution. In the microstructure of each pressure die casting containing Cr and W the new phases formed. Mechanical properties tests have shown Cr and W additives in silumin in an appropriate amount may increase its tensile strength Rm (about 11%), the yield strength Rp0.2 (about 21%) and to a small extent elongation A.
The Effect of Cooling Rate on Properties of Intermetallic Phase in a Complex Al-Si Alloy
Authors: Tupaj M. , Orłowicz A.W. , Mróz M. , Trytek A. , Markowska O.
Published: September 2016

The cooling rate is one of the main tools available to the process engineer by means of which it is possible to influence the crystallisation process. Imposing a desired microstructure on a casting as early as in the casting solidification phase widens significantly the scope of technological options at disposal in the process of aluminium-silicon alloy parts design and application. By changing the cooling rate it is possible to influence the course of the crystallisation process and thus also the material properties of individual microstructure components. In the study reported in this paper it has been found that the increase of cooling rate within the range of solidification temperatures of a complex aluminium-silicon alloy resulted in a decrease of values of the instrumented indentation hardness (HIT) and the instrumented indentation elastic modulus (EIT) characterising the intermetallic phase occurring in the form of polygons, rich in aluminium, iron, silicon, manganese, and chromium, containing also copper, nickel, and vanadium. Increased cooling rate resulted in supersaturation of the matrix with alloying elements.
Structural Zones in Large Static Ingot. Forecasts for Continuously Cast Brass Ingot
Authors: Wołczyński W. , Lipnicki Z. , Bydałek A.W. , Ivanova A.A.
Published: September 2016

Some metallographic studies performed on the basis of the massive forging steel static ingot, on its cross-section, allowed to reveal the following morphological zones: a/ columnar grains (treated as the austenite single crystals), b/ columnar into equiaxed grains transformation, c/ equiaxed grains at the ingot axis. These zones are reproduced theoretically by the numerical simulation. The simulation was based on the calculation of both temperature field in the solidifying large steel ingot and thermal gradient field obtained for the same boundary conditions. The detailed analysis of the velocity of the liquidus isotherm movement shows that the zone of columnar grains begins to disappear at the first point of inflection and the equiaxed grains are formed exclusively at the second point of inflection of the analyzed curve. In the case of the continuously cast brass ingots three different morphologies are revealed: a/ columnar structure, b/ columnar and equiaxed structure with the CET, and c/ columnar structure with the single crystal formation at the ingot axis. Some forecasts of the temperature field are proposed for these three revealed morphologies. An analysis / forecast of the behavior of the operating point in the mold is delivered for the continuously cast ingot. A characteristic delay between some points of breakage of the temperature profile recorded at the operating point and analogous phenomena in the solidifying alloy is postulated.
Reagents Activity in a Copper Droplets / Post-Processing Slag Suspension
Authors: Wołczyński W. , Karwan-Baczewska J. , Najman K. , Bydałek A.W.
Published: September 2016

The suspension of the copper droplets in the post-processing slag taken directly from the KGHM-Polska Miedź S.A. Factory (from the direct-to-blister technology as performed in the flash furnace) was subjected to the special treatment with the use of the one of the typical industrial reagent and with the complex reagent newly patented by the authors. This treatment was performed in the BOLMET S.A. Company in the semi-industrial conditions. The result of the CaCO3, and Na2CO3 chemicals influence on the coagulation and subsequent sedimentation of copper droplets on the crucible bottom were subjected to comparison with the sedimentation forced by the mentioned complex reagent. The industrial chemicals promoted the agglomeration of copper droplets but the coagulation was arrested / blocked by the formation of the lead envelope. Therefore, buoyancy force forced the motion of the partially coagulated copper droplets towards the liquid slag surface rather than sedimentation on the crucible bottom. On the other hand, the complex reagent was able to influence the mechanical equilibrium between copper droplets and some particles of the liquid slag as well as improve the slag viscosity. Finally, the copper droplets coagulated successfully and generally, were subjected to a settlement on the crucible bottom as desired / requested.
Effective Laboratory Method of Chromite Content Estimation in Reclaimed Sands
Authors: Ignaszak Z. , Prunier J-B.
Published: September 2016

The paper presents an original method of measuring the actual chromite content in the circulating moulding sand of foundry. This type of material is applied for production of moulds. This is the case of foundry which most frequently perform heavy casting in which for the construction of chemical hardening mould is used, both the quartz sand and chromite sand. After the dry reclamation of used moulding sand, both types of sands are mixed in various ratios resulting that in reclaimed sand silos, the layers of varying content of chromite in mixture are observed. For chromite recuperation from the circulating moulding sand there are applied the appropriate installations equipped with separate elements generating locally strong magnetic field. The knowledge of the current ratio of chromite and quartz sand allows to optimize the settings of installation and control of the separation efficiency. The arduous and time-consuming method of determining the content of chromite using bromoform liquid requires operational powers and precautions during using this toxic liquid. It was developed and tested the new, uncomplicated gravimetric laboratory method using powerful permanent magnets (neodymium). The method is used in the production conditions of casting for current inspection of chromite quantity in used sand in reclamation plant.
Prospects of Coir Fibre as Reinforcement in Termite Mound Clay Bricks
Authors: Akinyemi Banjo A. , Omoniyi Temidayo. E. , Adeyemo Micheal O.
Published: September 2016

The study is to develop an appropriate environmental friendly building material that would be sourced, obtained locally and used for construction of structures at a low cost by using termite mound soil, reinforced with 0%, 1%, 2%, 3%. and 4% coir fibres. Physical and mechanical tests were conducted on the different composition samples after curing. The particle size distribution showed that clay had the largest percentage with a moisture content of 3.53%, specific gravity of 2.0, liquid limit of 30.5% and plastic limit value of 25.4. The compressive strength test showed a decrease with increase in fibre content from 1% upward, modulus of rupture test showed that increase in fibre content leads to a corresponding increase in rupture while the modulus of elasticity test showed that from 3% to 4% fibre content, a decrease in the elasticity occurred. It can be concluded that low fibre inclusion into compressed termite mound brick is feasible if fibre content do not exceed 2% and thus can be used for both load and non-loading bearing structures.
The Impression of Reality and the Awareness of the Medium in Alexander Sokurov’s Family Trilogy
Authors: Bugaj Malgorzata
Published: September 2016

Drawing on Brigitte Peucker’s question – “in cinematic experience, what promotes the impression of reality, and when does medium awareness come into play?” – I examine how Sokurov’s family trilogy constitutes a certain oscillation between the immediate and the constructed. The films under discussion connect with the sensual, physical-biological and socio-political reality, while, simultaneously, they emphasize the artificial and stylised.Mother and Sonemploys distancing painterly images which deemphasise the figures of the characters while it finishes with the extreme close-up exploring the skin as a raw material used to construct image with its varied colours and textures.Father and Son,on the other hand, enters the dialogue with medicine; through the employment of haptic images and medical appropriations, the film focuses on the sensual along with the biological dimension of the body. Set within a clear socio-political context,Alexandraexplores the senses which are not readily available in cinema, that is touch and smell, and thus emphasises the trace of the physical presence on screen. This paper demonstrates how Sokurov’s family trilogy situates itself on the intersection of the Bolter and Grusin’s “desire for immediacy” with the mediated and remediated.
Pictorial Real, Historical Intermedial. Digital Aesthetics and the Representation of History in Eric Rohmer’sThe Lady and the Duke
Authors: Tagliani Giacomo
Published: September 2016

InThe Lady and the Duke(2001), Eric Rohmer provides an unusual and “conservative” account of the French Revolution by recurring to classical and yet “revolutionary” means. The interpolation between painting and film produces a visual surface which pursues a paradoxical effect of immediacy and verisimilitude. At the same time though, it underscores the represented nature of the images in a complex dynamic of “reality effect” and critical meta-discourse. The aim of this paper is the analysis of the main discursive strategies deployed by the film to disclose an intermedial effectiveness in the light of its original digital aesthetics. Furthermore, it focuses on the problematic relationship between image and reality, deliberately addressed by Rohmer through the dichotomy simulation/illusion. Finally, drawing on the works of Louis Marin, it deals with the representation of history and the related ideology, in order to point out the film’s paradoxical nature, caught in an undecidability between past and present.
Art and Reality inThe Arbor(2010)
Authors: Mello Cecília
Published: September 2016

This article offers an in-depth analysis of 2010 British filmThe Arborby Clio Barnard. The director’s debut feature is a groundbreaking work dedicated to the lives of playwright Andrea Dunbar and her eldest daughter Lorraine. Dunbar grew up in the Buttershaw Estate in Bradford and drew on her own experiences to write her first playThe Arborat the age of 15, followed byRita, Sue and Bob Too!. She struggled with alcoholism and died of a brain haemorrhage in 1990, at the age of 29. Lorraine’s life followed down a difficult path as she became a drug addict and was jailed for manslaughter for causing the death of her two-year old child by gross neglect. My aim is to explore how the film combines different media, namely theatre, television and radio, in a cinematic experience defined by multiple registers and multiple voices, and how this structure works towards creating as much as conserving individual and collective memories, highlighting the fictional nature of memories. This leads to a reflection on the lip-synching technique, employed as the main vehicle for memory in the film, which provokes as much empathy and compassion as it does critical thinking, thus turning Brecht’s binary equation reason-emotion in its head.1
Indexicality or Technological Intermediate? Moving Image Representation, Materiality, and the Real
Authors: Verdon James
Published: September 2016

Drawing on the application of C. S. Peirce’s notion of indexicality, this paper argues that iterative imaging technologies modulate the manner in which moving images represent reality and determine how they are traced back to that referent. Rather than subscribing to the canonical divergence between analogue and digital technologies, the paper argues that current moving image theories do not sufficiently acknowledge the granularity of technology when describing indexical relationships between moving images and the reality they represent. Despite a shared use of analogue technologies, film’s technique of fixing a full frame of movement to a momentarily static strip of light-sensitive celluloid or Mylar is profoundly different from analogue video’s parsing of the image frame to its constituent parts and then recording this signal to continuously moving tape or broadcasting the resulting images. These are particularities of technique and technology, not easily ranked in terms of verisimilitude. The paper concludes that despite a widely accepted indexical analogue/digital divide, the indexical status of analogue video is no different to that of digital video images because both consist of discrete and non-continuous picture elements.
Hyperbolic harmonic functions and the associated integral equations
Authors: Das Namita , Lal Rajendra Prasad
Published: September 2016

In this paper we consider a class of integral equations associated with the invariant mean value property of hyperbolic harmonic functions. We have shown that nonconstant solutions of these integral equations are functions of unbounded variations and do not attain their supremum or infimum on [0; 1): We present an algorithm to obtain numerical solutions of these integral equations. We also consider the equivalent ordinary differential equations and used MATLAB to obtain numerical solutions of these differential equations.
Quarter-symmetric metric connection in a P-Sasakian manifold
Authors: Mandal Krishanu , De Uday Chand
Published: September 2016

In this paper, we consider a quarter-symmetric metric connection in a P-Sasakian manifold. We investigate the curvature tensor and the Ricci tensor of a P-Sasakian manifold with respect to the quarter-symmetric metric connection. We consider semisymmetric P-Sasakian manifold with respect to the quarter- symmetric metric connection. Furthermore, we consider generalized recurrent P-Sasakian manifolds and prove the non-existence of recurrent and pseudosymmetric P-Sasakian manifolds with respect to the quarter-symmetric metric connection. Finally, we construct an example of a 5-dimensional P-Sasakian manifold admitting quarter-symmetric metric connection which verifies Theorem 4.1.
On the Ψ-Conditional Asymptotic Stability of Nonlinear Lyapunov Matrix Differential Equations
Authors: Diamandescu Aurel
Published: September 2016

It is proved (necessary and) sufficient conditions for Ψ − conditional asymptotic stability of the trivial solution of linear or nonlinear Lyapunov matrix differential equations.
Holomorphy of Osborn loops
Authors: Isere Abednego Orobosa , Adéníran John Olusola , Jaíyéọlá Tèmítọ́pẹ́ Gbọ́láhàn
Published: September 2016

Let (L, ·) be any loop and let A(L) be a group of automorphisms of (L, ·) such that α and φ are elements of A(L). It is shown that, for all x, y, z ∈ L, the A(L)-holomorph (H, ○) = H(L) of (L, ·) is an Osborn loop if and only if xα(yz · xφ
−1) = xα(yxλ · x) · zxφ
−1. Furthermore, it is shown that for all x ∈ L, H(L) is an Osborn loop if and only if (L, ·) is an Osborn loop, (xα· xρ
)x = xα, x(xλ · xφ
−1) = xφ
−1 and every pair of automorphisms in A(L) is nuclear (i.e. xα·xρ, xλ ·xφ ∈ N(L, ·)). It is shown that if H(L) is an Osborn loop, then A(L, ·) = 𝒫(L, ·)∩Λ(L, ·)∩Φ(L, ·)∩ Ψ(L, ·) and for any α ∈ A(L),

α
=

L

e
π

=

R

e
ϱ

−
1

$\alpha = L_{e\pi } = R_{e\varrho }^{ - 1}$

for some π ∈ Φ(L, ·) and some ϱ ∈ Ψ(L, ·). Some commutative diagrams are deduced by considering isomorphisms among the various groups of regular bijections (whose intersection is A(L)) and the nucleus of (L, ·).
On certain types of sets in ideal topological spaces
Authors: Mandal Dhananjoy , Mukherjee M. N.
Published: September 2016

In the present article we introduce certain typical sets in an ideal topological space, some such corresponding versions in topological spaces being already there in the literature. We prove several properties of the introduced classes of sets, and finally as application, we initiate the study of a kind of separation axiom, termed

*
−

T

1
2

$* - T_{{1 \over 2}}$

-property.
On some dichotomy concepts with different growth rates for evolution operators in Banach spaces
Authors: Seimeanu Nicolae Marian
Published: September 2016

This paper treats three concepts of (h, k)-dichotomy and their correspondents in the uniform cases. The connections between them are established through examples and counterexamples presented on the Banach space of square-summable sequences of real numbers.
Extended Local Analysis of Inexact Gauss-Newton-like Method for Least Square Problems using Restricted Convergence Domains
Authors: Argyros Ioannis K. , George Santhosh
Published: September 2016

We present a local convergence analysis of inexact Gauss-Newton-like method (IGNLM) for solving nonlinear least-squares problems in a Euclidean space setting. The convergence analysis is based on our new idea of restricted convergence domains. Using this idea, we obtain a more precise information on the location of the iterates than in earlier studies leading to smaller majorizing functions. This way, our approach has the following advantages and under the same computational cost as in earlier studies: A large radius of convergence and more precise estimates on the distances involved to obtain a desired error tolerance. That is, we have a larger choice of initial points and fewer iterations are also needed to achieve the error tolerance. Special cases and numerical examples are also presented to show these advantages.
Deszcz Pseudo Symmetry Type LP-Sasakian Manifolds
Authors: Baishya Kanak Kanti , Chowdhury Partha Roy
Published: September 2016

Recently the present authors introduced the notion of generalized quasi-conformal curvature tensor which bridges Conformal curvature tensor, Concircular curvature tensor, Projective curvature tensor and Conharmonic curvature tensor. This paper attempts to charectrize LP-Sasakian manifolds with ω(X, Y) · 𝒲 = L{(X ∧
ɡ Y) · 𝒲}. On the basis of this curvature conditions and by taking into account, the permutation of different curvature tensors we obtained and tabled the nature of the Ricci tensor for the respective pseudo symmetry type LP-Sasakian manifolds.
Local Convergence of Exquerro-Hernandez Method
Authors: Măruşter Ştefan
Published: September 2016

Local convergence of Ezquerro-Hernandez iteration is investigated in the setting of finite dimensional spaces. A procedure to estimate the local convergence radius for this iteration is proposed. Numerical experiments show that our procedure gives estimates which are very close to the maximum convergence radii.
Fekete-Szegö Inequalities of a Subclass of Multivalent Analytic Functions
Authors: Selvaraj C. , Karthikeyan K. R. , Lakshmi S.
Published: September 2016

The main object of this paper is to study Fekete-Szegö problem for a certain subclass of p - valent analytic functions. Fekete-Szegö inequality of several classes are obtained as special cases from our results. Applications of the result are also obtained on the class defined by convolution.
Experimental studies and finite element simulation of ultrasonic welding of Cu alloy
Authors: Mohan Raj N. , Kumaraswamidhas L.A. , Arungalai Vendan S.
Published: September 2016

This research study aims to investigate the mechanical and metallographical aspects of ultrasonic welding of Cu-Cu wires. Experimental trials have been conducted and observations have been recorded as a database that collates parametric, quality and strength aspects of various weldments. Destructive testing and metallurgical characterizations have been carried out to examine the strength and integrity of the weldment. The key focus of this research attempt is laid on determining and evaluating the factors that governs the strength of the weldment. Metallurgical characterizations reveal vital information on the weld integrity and the extent of grain distribution. Further, FEM is employed to understand the deformation and thermal aspects involved in Cu-Cu welding using ultrasonics. The numerical model may provide an insight into the thermal phenomenon governing the joining process and subsequently estimation of the impact. Response surface methodology is employed to identify the parametric interdependencies and subsequently determine the optimized range.
Modelling of transient heat transport in metal films using the interval lattice Boltzmann method
Authors: Piasecka Belkhayat A. , Korczak A.
Published: September 2016

In the paper a description of heat transfer in one-dimensional crystalline solids is presented. The lattice Boltzmann method based on Boltzmann transport equation is used to simulate the nanoscale heat transport in thin metal films. The coupled lattice Boltzmann equations for electrons and phonons are applied to analyze the heating process of thin metal films via laser pulse. Such approach in which the parameters appearing in the problem analyzed are treated as constant values is widely used, but in the paper the interval values of relaxation times and electron-phonon coupling factor are taken into account. The problem formulated has been solved by means of the interval lattice Boltzmann method using the rules of directed interval arithmetic. In the final part of the paper the results of numerical computations are shown.
Competitiveness Of The New European Union Member States In International Trade In Knowledge-intensive Business Services
Authors: Wyszkowska-Kuna Joanna
Published: September 2016

The aim of this paper is to study and compare the competitiveness of the new EU member states in international trade in knowledge-intensive business services (KIBS). The first part of the paper presents a definition of KIBS trade, indicators to measure competitiveness in international service trade, and a short review of research in this field. The second part of the study is empirical. First the author carries out an overall analysis of transactions on KIBS trade in the countries involved. Then the competitiveness of the new EU member states in KIBS export is studied (in total KIBS and in each category of KIBS). International competitiveness is measured by export performance, trade balance and the RCA index. The author compares the competitiveness in KIBS exports between the analyzed countries, and tries to answer the question whether it could have been positively affected by their accession to the EU. The paper uses the WTO database. The analyzed period covers the years 2000–2013, because data on particular categories of ‘Other business services’ have been available only since 2000. The analysis refers to the 12 countries that joined the EU in 2004 and 2007.
Do Government Policies Foster Environmental Performance Of Enterprises From CEE Region?
Authors: Lewandowska Małgorzata Stefania
Published: September 2016

In recent years, EU countries, including these from the Central Eastern European (CEE) region has recognised, that eco-innovation should be treated as strategic priority of their economies. The aim of this paper is to present a cross-country analysis of the connection between eco-innovation and its main drivers within firms from selected CEE countries (Bulgaria, Czech Republic, Romania) and Germany. The empirical part is based on micro-data for Community Innovation Survey (CIS) 2006–2008. Based on the results of stepwise regression between main policy actions sustaining innovation activity and eco-innovation performance we can conclude, that financial support for innovation activities has a rather limited role in promoting eco-innovation. At the same time enterprises from the CEE region regard environmental regulations as the most important drivers of eco-innovation. In Germany, a country ranked in the highest category in the Eco-Innovation Scoreboard, the variety of forces that influence eco-innovation is much more wide-ranging. This indicates that government actions should take a broader look and lay the more general bases fostering the model of a green growth.