bluuebunny/crossref_metadata_2025_split huggingface dataset:
Current status of bone cementing and bone grafting for giant cell tumour of bone: a systemic review
Authors: Vaishya R , Pokhrel A , Agarwal AK , Vijay V 
Published: January 2019

Introduction Extended intralesional curettage, together with bone grafting/cementing, is considered as a surgical treatment option for giant cell tumour of the bone. This study aimed to discover the efficacy and recurrence rate with the use of bone cement in giant cell tumour and to compare it with that of bone grafting. Material and methods The present systemic review is derived from the publications in the past 10 years (2009–2018). A literature search was performed via PubMed, using suitable keywords and Boolean operators database (‘Giant cell tumor,’ ‘osteoclastoma,’ ‘bone,’ ‘bone cement,’ ‘bone graft’ and ‘curettage’). A detailed statistical analysis of the data derived from the published literature was done. Results The patients who underwent bone graft only exhibited significantly higher recurrence rates than those treated with polymethyl methacrylate only (risk ratio 1.90; 95% confidence interval 1.14, 3.16; overall effect Z = 2.488; P-value 0.012). The observational analysis was done in rest of the seven studies; three studies showed no recurrence rate. Only one study reported the highest recurrence rate of 42% and the remaining six had an overall recurrence rate of 20.4%. Conclusion The use of bone cement was associated with a statistically significantly lower recurrence rate than bone grafting in giant cell tumour of bones. We therefore recommend the use of bone cement with extensive intralesional curettage. Adjuvant therapy like electrocautery, phenol irrigation and the use of intravenous denosumab or bisphosphonates may help in decreasing the incidence of recurrence in giant cell tumour of bone.
Design and Economic Analysis of a Photovoltaic System: A Case Study
Authors: Oko COC , Diemuodeke E.O , Omunakwe E.O , Nnamdi E 
Published: January 2019

This paper presents the design analysis of a photovoltaic (PV) system to power the CAD/CAM Laboratory at the Department of Mechanical Engineering, University of Port Harcourt. Life cycle cost and break-even point analyses are also carried out to assess the economic viability of the system. The unit cost of electricity for the designed PV system is high compared to the current unit cost of the municipally supplied electricity, but will be competitive with lowering cost of PV system components and favourable government policies on renewable energy. The approach and data provided are useful for designing solar systems in the area. The automated MS Excel spreadsheet developed could be used for the design and economic analyses of PV system in any other geographical region once the input data are sorted. Since about 90% of businesses in Nigeria currently own diesel generators, it is expected that future work should be devoted to the optimum combination of PV-Battery-Diesel system in electricity generation for optimum economic benefits to the country. Keywords: photovoltaic system design, renewable energy technology, solar energy economics
Development of Formaldehyde Adsorption using Modified Activated Carbon – A Review
Authors: Rengga W.D.P , Sudibandriyo M. , Nasikin M 
Published: January 2019

Gas storage is a technology developed with an adsorptive storage method, in which gases are stored as adsorbed components on the certain adsorbent. Formaldehyde is one of the major indoor gaseous pollutants. Depending on its concentration, formaldehyde may cause minor disorder symptoms to a serious injury. Some of the successful applications of technology for the removal of formaldehyde have been reported. However, this paper presents an overview of several studies on the elimination of formaldehyde that has been done by adsorption method because of its simplicity. The adsorption method does not require high energy and the adsorbent used can be obtained from inexpensive materials. Most researchers used activated carbon as an adsorbent for removal of formaldehyde because of its high adsorption capacity. Activated carbons can be produced from many materials such as coals, woods, or agricultural waste. Some of them were prepared by specific activation methods to improve the surface area. Some researchers also used modified activated carbon by adding specific additive to improve its performance in attracting formaldehyde molecules. Proposed modification methods on activation and additive impregnated carbon are thus discussed in this paper for future development and improvement of formaldehyde adsorption on activated carbon. Specifically, a waste agricultural product is chosen for activated carbon raw material because it is renewable and gives an added value to the materials. The study indicates that the performance of the adsorption of formaldehyde might be improved by using modified activated carbon. Bamboo seems to be the most appropriate raw materials to produce activated carbon combined with applying chemical activation method and addition of metal oxidative catalysts such as Cu or Ag in nano size particles. Bamboo activated carbon can be developed in addition to the capture of formaldehyde as well as the storage of adsorptive hydrogen gas that supports renewable energy. Keywords: adsorption; bamboo; formaldehyde; modified activated carbon; nano size particles
The Energy Processing by Power Electronics and its Impact on Power Quality
Authors: Rocha J.E. , Sanchez W.D.C 
Published: January 2019

This paper discusses the electrical architectures adopted in wind turbines and its impact on the harmonic flux at the connected electric network. The integration of wind electric generators with the power grid needs energy processing by power electronics. It shows that different types of wind turbine generator systems use different types of electronic converters. This work provides a discussion on harmonic distortion taking place on the generator side, as well as in the power grid side. Keywords: grid connection, harmonic distortion, power electronics and converters, wind energy conversion systems, wind power, wind technology, wind turbines
Chronic granulomatous disease 2018: advances in pathophysiology and clinical management
Authors: Seger Reinhard A. 
Published: January 2019

Chronic granulomatous disease (CGD) is a rare immunodeficiency disorder of phagocytic cells resulting in failure to kill a characteristic spectrum of bacteria and fungi and to resolve inflammation. The last few years have witnessed major advances in pathogenesis and clinical management of the disease: Better understanding of 3 physiologic anti-inflammatory functions of NADPH oxidase-derived reactive oxygen species: Promotion of the clearance of dying host cells, suppression of inflammasomes, and regulation of type I interferon signalling. This insight is opening new avenues for targeted drug interventions. Advances in reduced intensity conditioning (RIC) for allogeneic hematopoietic stem cell transplantation (HSCT) make it a promising and safe procedure even for fragile patients with ongoing severe infection or hyperinflammation. Encouraging early data of a multicenter trial of gene-replacement therapy using a self-inactivated lentiviral vector. Combining targeted anti-infectious/anti-inflammatory measures and considering extended indications for curative HSCT are key to improving patient outcome further. Gene therapy will likely become a viable option for disease correction, but long-term assessment is not yet possible. Statement of novelty: We discuss important advances in pathogenesis and treatment of CGD that will change our approach to clinical management.
Strategic Leadership and Sustainability Performance of Small and Medium Enterprises in Nigeria
Authors: Akpoviroro Kowo Solomon , Amos Akinbola Olufemi 
Published: January 2019

Abstract
The small scale industry in Nigeria is considered to be an important element to the growth of the economy in contributing to the gross domestic products of the economy and it has been of contention that strategic leadership has influenced and sustained the performance of small and medium enterprises. As such, the main objective of the study is to examine how the exercising of strategic leadership has influenced and sustained the performance of small and medium enterprises in Nigeria in terms of social impact. About 300 questionnaires were administered to small sized companies. The study found that there is a significant influence of strategic planning on sustaining small and medium enterprise profit performance and the results indicated that the managers that sustain profitability performance are those that are strategic in planning. Also the study discovered that the return on investment of Small and Medium Enterprise depends on the appropriateness of its leadership practices. The study recommends that small sized companies should be effective in their strategy implementation in order to achieve the corporate objectives of indigenous Small and Medium Enterprises.
Effect of Sonication on The Mechanical Properties of Organic Mixed Grain Bread
Authors: Batia-Strynkowska Marta , Wesołowski Andrzej , Kaliniewicz Zdzisław 
Published: January 2019

AbstractThe aim of this study was to determine the effect of ultrasound waves on mechanical properties of organic bread. Mixed grain bread baked at a local bakery according to its original recipe was the material subjected to testing. Prior to baking, the dough was sonicated at frequencies of 20 kHz and 40 kHz for 3 minutes, and at a frequency of 100 kHz for 3 minutes and 6 minutes. The mechanical properties of the bread (compression test, penetration test and TPA) were examined after 24 h, 48 h and 72 h following the baking process. The maximum work obtained in the compression test after 24 h following the baking ranged from 616 N to 668 N. On the next day following the baking, the maximum work value ranged from 750 N to 898 N, while after 72 hours, it ranged from 988 N to 1135 N. In the penetration test, the following results were obtained: after 24 hours, the force value ranged from 2.71 N to 3.17 N; after 48 hours following the baking, it ranged from 4.90 N to 6.35 N; and after 72 hours following the baking, from 3.98 N to 6.88 N. As regards elasticity, the obtained results fell within the following ranges: after 24 hours following the baking, from 0.53 to 0.58; after 48 hours following the baking, from 0.43 to 0.55; and after 72 hours following the baking, from 0.40 to 0.45. Gumminess measured after 24 hours following the baking ranged from 8.75 N to 18.71 N; after 48 hours, from 10.83 N to 15.48 N; and after 72 hours, the gumminess values ranged from 15.57 N to 19.06 N. As regards chewiness, the following results were obtained: after 24 hours following the baking, from 8.00 N to 17.59 N; after 48 hours following the baking, from 9.77 N to 13.87 N; and after 72 hours following the baking, from 12.56 N to 16.85 N. The frequencies and durations of sonication applied changed no mechanical properties of the tested bread.
Environmental Sustainability Practices of Immigrant-Owned Small and Medium Enterprises in South Africa
Authors: Fatoki Olawale 
Published: January 2019

Abstract
Environmental sustainability of immigrant-owned small and medium enterprises (SMEs) is important to a country’s long-term sustainable development. The study investigated the environmental sustainability practices (ESP) of immigrant-owned SMEs. In addition, the study examined the effect of demographic factors (age, gender and level of education) on ESP. The study also investigated the relationship between ESP and financial performance of SMEs. Data was collected from one hundred and eighty two immigrant small business owners. The survey method (self-administered questionnaire) was used for data collection. The participants in the study were conveniently sampled. Descriptive statistics, T-test, Pearson correlation and regression analysis were used for data analysis. The results indicated that immigrant-owned SMEs are engaged in recycling, energy efficiency and reduction of waste and pollution. Their involvement in environmentally friendly products and environmental management policy is limited. Females exhibit higher levels of recycling, waste reduction energy efficiency and reduction of pollution. Age and level of education positively affect environmental sustainability practices. Waste reduction, energy efficiency and reduction of pollution have significant positive relationships with financial performance. Recommendations to improve EPS are suggested.
Multiphase carbonate cementation in the Miocene Pétervására Sandstone (North Hungary): implications for basinal fluid flow and burial history
Authors: Szőcs Emese , Hips Kinga 
Published: January 2019

Abstract
The paper focuses on the reservoir heterogeneity of a sandstone formation in which the main issue is the evaluation of diagenetic features. Integrated data from field observations as well as petrographic and geochemical analyses from surface and core sections from different structural settings were applied. In the shallow marine Pétervására Sandstone, eogenetic minerals are comprised of calcite, pyrite and siderite; mesogenetic minerals are albite, ankerite, calcite, quartz, mixed layer clays and kaolinite. Dissolution occurred during mesogenetic and telogenetic phases. Ankerite is only present in the core setting, where the sandstone is at ca. 900 m depth and diagenetic calcite predates quartz cementation. Based on stable isotopic values (δ13 CV-PDB −18.3 to −11.4 ‰ and δ18 OV-PDB −9.5 to −7.2 ‰), diagenetic calcite is of mesogenetic origin and was precipitated from fluids migrated along fault zones from the underlying, organic matter-rich formation. In outcrop setting, on the other hand, calcite is present in a larger quantity and postdates quartz cementation. Carbon isotope data (δ13 CV-PDB = −9.9 to −5.1 ‰) indicate less contribution of light isotope, whereas more negative oxygen isotopic values (OV-PDB = −13.1 to −9.9 ‰) likely imply higher temperature of mesogenetic fluids.However, carbon–oxygen isotope covariation can indicate precipitation from meteoric fluid. In this case, further analyses are required to delineate the final model.
Palaeoenvironmental analysis of the Miocene barnacle facies: case studies from Europe and South America
Authors: Coletti Giovanni , Bosio Giulia , Collareta Alberto , Buckeridge John , Consani Sirio , Kateb Akram El 
Published: January 2019

Abstract
Acorn barnacles are sessile crustaceans common in shallow-water settings, both in modern oceans and in the Miocene geological record. Barnacle-rich facies occur from polar to equatorial latitudes, generally associated with shallow-water, high-energy, hard substrates. The aim of this work is to investigate this type of facies by analysing, from the palaeontological, sedimentological and petrographical points of view, early Miocene examples from Northern Italy, Southern France and South-western Peru. Our results are then compared with the existing information on both modern and fossil barnacle-rich deposits. The studied facies can be divided into two groups. The first one consists of very shallow, nearshore assemblages where barnacles are associated with an abundant hard-substrate biota (e.g., barnamol). The second one includes a barnacle-coralline algae association, here named “barnalgal” (= barnacle / red algal dominated), related to a deeper setting. The same pattern occurs in the distribution of both fossil and recent barnacle facies. The majority of them are related to very shallow, high-energy, hard-substrate, a setting that represents the environmental optimum for the development of barnacle facies, but exceptions do occur. These atypical facies can be identified through a complete analysis of both the skeletal assemblage and the barnacle association, showing that barnacle palaeontology can be a powerful tool for palaeoenvironmental reconstruction.
I. Kanto apriorizmas ir analitinė filosofija
Authors: Nekrašas Evaldas 
Published: January 2019

Straipsnio tikslas yra aptarti I. Kanto apriorizmo teorines prielaidas ir pasekti jų istorinį likimą analitinėje filosofijoje. Aprašoma I. Newtono natūrfilosofijos ir kosmologinių problemų sprendimo įtaka I. Kanto transcendentaliniam idealizmui ir transcendentaliniam metodui. Parodomas I. Kanto nekritiškumas I. Newtono mechnikos dėsnių ir Euklido geometrijos atžvilgiu: transcendentalinėje estetikoje dėstoma apriorinių jutiminės kontempliacijos formų koncepcija tėra seno požiūrio į geometrijos aksiomas, kaip intuityviai teisingas, sistematizacija. Istoriškai rekonstruojama I. Newtono mechanikos apodiktiškumo problema. Apžvelgiamas I. Kanto apriorinių pažinimo formų koncepcijos ir analitinės filosofijos santykis. Analitinėje filosofijoje I. Kanto sintetinis matematikos aiškinimas buvo kategoriškai atmestas. I. Kantas neskyrė matematinės geometrijos nuo fizinės, todėl jis supainiojo apriorinį matematinės ir sintetinės fizinės geometrijos pobūdį. Taip pat griežtai atmetama I. Kanto koncepcija, kad gamtotyros žinios yra apodiktinės. Analitinės filosofijos požiūriu, tik matematinės teorijos gali būti logiškai pagrindžiamos, o gamtotyros teorijos nepagrindžiamos, vadinasi, nėra būtinos.
KANTIŠKOJI PATYRIMO SAMPRATA
Authors: Šliogeris Arvydas 
Published: January 2019

Straipsnyje nagrinëjama I. Kanto patyrimo samprata. Grindþiamas teiginys, jog Kantas patyrimą supranta labai siaurai – kaip technomokslinio eksperimento analogą. Tai reiškia, kad patyrimo kaip sandūros su Transcendentiniu Kitu modelis galutinai atmetamas ir Kantas įtvirtina technomoksliną prietarà – kad vienintelis tikras patyrimas įmanomas tik laboratorijoje. Reikminiai žodžiai: patyrimas, technomokslas, mąstymas, būtis.

KANT’S CONCEPT OF EXPERIENCEArvydas Šliogeris
Summary The paper deals with Kant’s concept of experience. It is argued that Kant treats experience rather narrowly – as an analogue of techno-scientific experiment. Such an approach excludes an option to treat experience as the encounter with the transcendent Other. By the same way the techno-scientific prejudice is established that the true experience is possible in laboratory only. Keywords: experience, techno-science, thinking, being.
DAIKTŲ IR VARDŲ SANTYKIO FILOSOFINĖ REFLEKSIJA ANTIKOJE
Authors: Aukštuolytė Nijolė 
Published: January 2019

Straipsnyje analizuojama būties, žinojimo ir kalbos santykio filosofinė refleksija antikoje, besiremianti būties ir mąstymo vienovės pajauta sinkretiniame graikų mąstyme. Būdingiausia jos išraiška – antikinės filosofijos bandymai aiškinti pasaulio prigimtį bei ryšius ir siekti tikrojo žinojimo, išreikšto „tikrųjų daiktų”, t. y. esmių, vardais. Argumentuojama, kaip Platono siekis ieškoti „tikrųjų daiktų” vardų implikuoja teorinę kalbos tinkamumo žinojimui analizę ir pirmą kartą minties istorijoje iškelia filosofijai pažintinių kalbos galimybių tyrimo uždavinį. Kartu parodoma nevienareikšmė autoriaus pozicija, neduodanti konkretaus atsakymo, kokios yra kalbos galimybės atskleisti daiktų esmę. Aristotelio bandymai žinojimą tyrinėti kaip loginio samprotavimo rezultatą ir pastangos ieškoti tikslesnių minties atitikmenų kalboje leidžia argumentuoti, kaip antikoje įsitvirtina metodologinė nuostata, kalbą tapatinanti su žinojimu ir tirianti jos galimybes vaizduoti pasaulį, įžvelgti jo prigimtį.Reikšminiai žodžiai: epistemologija, logos, kalba ir žinojimas, vardas ir daiktas, Aristotelio logika.

PHILOSOPHICAL REFLECTION ON THE RELATIONSHIP BETWEEN THINGS AND THEIR NAMES IN THE ANTIQUITYNijolė Aukštuolytė
Summary
The article discusses the Antique philosophical reflection of the relationship between being, knowing and language, based on the unity of being and thinking in the syncretic thinking of the Greek philosophers. Itsmost characteristic manifestation lies in the attempts of ancient philosophy to explain the nature and relationships of the world and to seek for true knowing, conceived as knowledge of ‘true things’, in other words,the names of the essence. The article argues that Plato’s search for the names of ‘true things’ implies a theoretical analysis of the adequacy of language for knowing as well as raises the objective of philosophical analysis of the cognitive potential of language. Plato’s ambiguous stance with reference to the potential of language to reveal the essence of things is also shown. Aristotle’s attempts to analyze knowing as a result of logical thinking and his attempts to search for more precise equivalents of thought in language led to the idea of the methodological approach which identifies language as knowing and focuses on the analysis of its potential to depict the world and penetrate into its nature. Keywords: epistemology, logos, language and knowledge, word and thing, Aristotle’s logic.
ETINĖS VERTĖS ŠALTINIO PAIEŠKOS: I. KANTAS IR M. NUSSBAUM
Authors: Droblytė Patricija 
Published: January 2019

Straipsnyje nagrinėjama amerikietės Martha’os Nussbaum etinė „žmogaus gebėjimų koncepcija“ ir lyginama su I. Kanto etikos teorija. Siekiama nustatyti, kokią žmogaus esybės plotmę šie mąstytojai laiko etinės vertės šaltiniu. Ir vienas, ir kitas tokiu šaltiniu laiko praktinį protą, tačiau Nussbaum esmingai papildo ir modifikuoja kantiškąją sampratą – į etinės vertės šaltinio sampratą, be praktinio proto, įtraukia ir prigimties sąlygas – papildomus „žmogaus gebėjimus“.Prasminiai žodžiai: etinės vertės šaltinis, žmogaus gebėjimai, praktinis protas, afiliacija, prigimties sąlygos.

SEARCHING FOR SOURCES OF ETHICAL VALUE: I. KANT AND M. NUSSBAUMPatricija Droblytė
Summary The article discusses Martha Nussbaum’s conception of „human capabilities“ and compares with I. Kant’s ethical theory. Attitudes of these two thinkers are compared by analysing their concepts of the human, identifying the sites in the human being, which they treat as sources of ethical value. Both of them consider practical reason as such a source, although M. Nussbaum supplements and modifies the Kantian concept in an important way, by incorporating conditions of nature – additional „human capabilities“ – into the concept of the source of ethical value.Keywords: sources of ethical value, human capabilities, practical reason, conditions of nature.
TIKROVĖ IR GRAMATIKA
Authors: Pučiliauskaitė Saulenė 
Published: January 2019

Wittgensteino filosofijoje gramatika yra sąvokų tvarka, kurią diktuoja mūsų kalba. Gramatinės taisyklės –žodžių vartojimo normos – yra arbitralios, todėl filosofai neturėtų kelti klausimo apie „kalbos ir tikrovės ryšį“. Tačiau, žvelgiant iš kalbančiojo vidinės perspektyvos, gramatinės taisyklės pasirodo kaip būtina prasmės sąlyga. Todėl įmanoma kalbėti apie tikrovę kaip apie gramatinio kalbėjimo atitikmenį. Gramatinis netikslumas šiuo atveju reiškia „ kalbėjimą be tikrovės“ arba kalbėjimą apie nieką. Prasminiai žodžiai: tikrovė, gramatika, gramatinis netikslumas.
Bijau, kad mano mintys nebūtų gramatiškai netikslios. A. Gide

REALITY AND GRAMMARSaulenė Pučiliauskaitė
Summary In Wittgenstein’s philosophy grammar is the conceptual order, suggested by our language. The rules of grammar or the norms of use are arbitral, therefore philosophers should not trouble themselves with the question of the ‘language-reality relation’. However, seen from the inner perspective of the speaker, the rules of language show themselves as a necessary condition of meaning. Therefore it is possible to speak about reality as that, which corresponds to the grammatical use of language. ‘Grammatical inaccuracy’ in this sense corresponds to nothing.Keywords: reality, grammar, gramatical inaccuracy.