bluuebunny/crossref_metadata_2025_split huggingface dataset:
Analisa Hidrodinamika Kapal Container Sarat Rendah
Authors: Ali Baharuddin , Firdaus Nurman , Nurhadi N 
Published: August 2018

Kapal container sebagai sarana angkutan barang berpengaruh vital terhadap laju percepatan perekonomian nasional. Kondisi perairan Indonesia yang kedalaman dan fasilitas pendukung pelabuhan bervariasi serta efisiensi operasional kapal menjadi pertimbangan dalam mendesain kapal. Penggunaan kapal sarat rendah tipe barge bermesin sebagai pengangkut container, Self Propelled Container Barge (SPCB) saat ini banyak menjadi pilihan operator kapal dalam melayani pengiriman barang dengan container. Penelitian ini menyajikan analisis hidrodinamika kapal SPCB 100 TEUs dengan metode pengujian model meliputi seakeeping, turning dan zig-zag manuvering serta resistance test. Dari hasil uji seakeeping diketahui bahwa respon gerak kapal pada kondisi gelombang sea-state 4 masih dalam batas toleransi dengan memperhatikan kombinasi kecepatan dan arah heading kapal. Kinerja manuvering turning dan zig-zag kapal dalam batas aman yang ditetapkan IMO. Dari hasil uji resistance didapatkan kecepatan maksimal yang optimum kapal adalah 12 knot. Selain besaran terukur, uji hidrodinamika dengan model memberikan gambaran fenomena saat kapal beroperasi di laut, sehingga menjadi informasi yang penting dalam desain dan operasional kapal.
Uji kinerja Turbin arus laut-Twin Hull 10 Kilowatt di Jembatan Suramadu
Authors: Kasharjanto Afian , Rahuna Daif , Aditya R. Bambang 
Published: August 2018

Abstrak Melalui Program Pengembangan Teknologi Industri (PPTI) - Ristekdikti tahun 2016 telah di lakukan uji fungsi Turbin arus laut Twin Turbine -10 Kilowatt selama 1 (satu) bulan sejak 28 Nopember sampai dengan 30 Desember 2016. Turbin yang di gunakan adalah turbin yang pernah di uji pada tahun 2015 dilokasi yang sama yaitu di bawah Jembatan Suramadu – Pile 56 tetapi rasio transmisi yang pada awalnya di buat 1 : 22,5 di turunkan menjadi 1: 12. Perubahan di lakukan karena putaran generator melebihi putaran maksimum yang di ijinkan generator sehingga terjadi beban arus besar (melebihi kapasitas Inverter sehingga Inverter dapat terbakar. Tujuan dari kegiatan adalah untuk mengetahui daya listrik yang dapat di hasilkan oleh turbin tipe dua rotor (Twin Turbine) untuk operasional di bawah Jembatan. Melalui pengukuran langsung selama 30 hari siang dan malam, akan di dapat data daya listrik maksimal sebagai fungsi dari kecepatan arus laut dan ukuran rotor Tubin. Data kemudian di olah untuk mendapatkan nilai besaran daya listrik dan efisiensi. Cutt-in speed terjadi pada kecepatan arus 0,6 m/dt dan menghasilkan daya minimal pada masing – masing generator sebesar 480 Watt dan kecepatan arus maksimal terjadi pada 1,10 m/dt , menghasilkan daya maksimal 2,230 watt.Beban lampu di distribusikan bukan hanya di dalam turbin tetapi juga di tempelkan pada tiang Plie – 56 sebagai uji coba untuk penerangan di sepanjang jalan raya pada Pile-56 Jembatan Suramadu. Kata kunci : Uji Fungsi turbin, Jembatan Suramadu, Rasio transmisi mekanik, Cutt-in speed
Hybride Zeiten
Authors: Kiening Christian 
Published: August 2018

Abstract
Not only the postmodern era is characterized by manifold, contradictory, and hybrid temporalities. Earlier epochs were already marked by temporal and medial pluralities. Examining these pluralities expands both our knowledge of the past and of the present. The 15th and 16th centuries are particularly suitable for this. This period sees not only spatial expansion, religious diversification and media restructuring. It also sees temporal changes: a growing presence of measured time, rigorous time management, and the formation of a notion of time independent from the Aristotelian tradition. In particular, literature and the arts – in new media forms – explore the whole range of temporal semantics and dynamics, and play their part in pluralizing and hybridizing the idea of time, largely shaped by Christian models of salvation history.
Ikonische Prägnanz von Schrift und die Prägung der Überlieferung
Authors: Malcher Kay 
Published: August 2018

Abstract
Editing Middle High German texts today is led much more by the ventilation of practical necessities than by theoretical consideration. Especially lacking discussions of a basic concept of ›text‹ raises the risk of developing blind spots. The article will try to identify these blind spots as places where the traditional strategy of editing texts on the basis of the faulty-replication model persists. This will be illustrated by new editions of the ›Wunderer‹ and the ›Rosengarten‹. Furthermore, the article evolves a semiotic model of the philological praxis of editing Middle High German heroic epics.
Information needs of financial market professionals in the big data and social media era. The empirical evidence from Poland
Authors: Cwynar Andrzej , Cwynar Wiktor , Pater Robert , Kaźmierkiewicz Piotr 
Published: August 2018

AbstractTo meet general objectives of the article, i.e. to check the extent to which the information needs of financial market institutions are satisfied, and to learn about whether there is a transition in this realm triggered by the advent of social media and big data, we surveyed a sample of 415 financial market professionals working in Poland. We also used logit regression models, through which we processed the survey results, to identify which factors are responsible for meeting the needs. We showed that although the information needs of financial market professionals are met to a large degree, still some potential for improvement remains in this regard. We found also that respondent-specific traits are insignificant in explaining the degree of satisfaction with data and information that is used by financial market professionals. Out of firm-specific characteristic and, the value of assets under the institution’s management turned out to be the key factors explaining the distribution of responses concerning satisfaction.
The influence of the recent financial crisis on the financial situation of Polish listed companies
Authors: Różański Jerzy , Kopczyński Paweł 
Published: August 2018

Abstract
The recent financial crisis that began in 2007, also known as the Global Financial Crisis, had a huge influence on the financial situations of enterprises and financial institutions around the world. The situation on world stock markets was also strongly affected by the crisis. As the behavior of investors may be affected by various factors which can impact their decisions on the stock exchanges, some of them may be unable to act in a rational manner and make the right decisions. The huge drop in share prices on world stock markets was visible in the early stages of the crisis. The share price does not always reflect the real situation of the company. The main purpose of this article is to evaluate the influence of the recent financial crisis on the financial situation and performance of Polish listed companies. Financial ratios will be utilized to evaluate the real changes in the financial situation of Polish listed companies during the crisis. A large group of companies will be covered by the survey in order to assess the impact of macroeconomic factors on the financial situations of enterprises in different phases of the crisis. Market tests will not be applied because they may be affected by changes in share prices which in turn are often affected by irrational decision-making and fear.
A calcite crisis unravelling Early Miocene (Ottnangian) stratigraphy in the North Alpine–Carpathian Foreland Basin: a litho- and chemostratigraphic marker for the Rzehakia Lake System
Authors: Palzer-Khomenko Markus , Wagreich Michael , Knierzinger Wolfgang , Meszar Maria , Gier Susanne , Kallanxhi Mădălina-Elena , Soliman Ali 
Published: August 2018

Abstract
Within the Lower Austrian part of the North Alpine Foreland Basin (NAFB), up to 1000 m of sediments were deposited throughout the Ottnangian (Early Miocene, Burdigalian). According to homogeneous compositions and sparse biostratigraphic resolution, a consistent stratigraphic concept from the basin margins into the foreland depocenter was still lacking. New investigations on several deep drill cores throughout the basin provide comprehensive sedimentological, mineralogical, chemical and micropaleontological data. A calcite poor, fossil- and pyrite-free, smectite-rich, up to 800 m thick interval was identified and correlated to the time interval of the late Ottnangian brackish Rzehakia Lake System. For this section, we introduce the term Calcite Minimum Interval (CMI). We define the onset of the CMI by a sharp decrease of calcite contents and the disappearance of autochthonous (and reworked) calcareous nannofossils. We define the termination of the CMI by the permanent increase of pyrite contents and the reappearance of calcareous nannofossils. The CMI as a litho- and chemostratigraphical marker for the Rzehakia Lake System constitutes a stratigraphic key horizon. Within the NAFB in Lower Austria, its onset corresponds to the middle/upper Ottnangian transition while its termination correlates roughly to the Ottnangian / Karpatian boundary. This allows a precise definition, identification and correlation of (upper) Ottnangian stratigraphic units of the NAFB. For the central basinal parts of the Rzehakia Lake System, we introduce the new lithostratigraphic term Wildendürnbach Formation which correlates to the marginal Traisen Formation.
Usage of ICT in EU Culture Sector as a Tool of Cultural Participation
Authors: Ardielli Eva 
Published: August 2018

Abstract
Culture is not only an inherent part of human life but it also creates the potential for economic growth, employment and innovation. For this reason, the European Union considers the development of culture sector and Cultural and creative industries as very important. Nowadays the culture sector is confronted with the penetration of Information and communication technologies. The widespread use of Internet and Information and communication technologies implies more participatory behaviours on the side of users, who are increasingly involved in cultural activities electronically.
The presented article is focused on the issue of electronic cultural participation in European Union member countries. The aim is to evaluate the usage of Information and communication technologies for cultural purpose. For the purpose of this aim the selected multi-criteria decision-making method MAPPAC is applied. In the result is presented the ranking of European Union member countries according to the participation of citizens in culture through Information and communication technologies. In the research there was confirmed the importance of Information and communication technologies in European Union culture sector. High involvement of individuals in electronic cultural participation is obvious in developed European Union countries; in less developed countries the electronic cultural participation is habitually lower.
Pharmacotherapy of ulcerative colitis – current status and emerging trends
Authors: Ahmad Hilal , Kumar Vijay L. 
Published: August 2018

Abstract
Ulcerative colitis (UC) is a chronic mucosal inflammation of the large intestine restricted to the rectum and colon. Its clinical course follows an intermittent pattern with episodes of relapse, followed by remission and eventually resulting in mucosal damage. Although there is no permanent cure for UC, the currently available pharmacotherapy aims to induce and maintain clinical remission, promote the healing of colonic mucosa and avert any surgical intervention. The conventional drug therapy comprising of 5-aminosalicylates, thiopurines and corticosteroids has advanced recently in terms of formulations and dosing schedule, resulting in improved efficacy, safety and compliance. Calcineurin inhibitors, such as cyclosporin and tacrolimus, have emerged as steroid sparing agents. The treatment paradigm of UC patients who are refractory to conventional drugs has changed in view of the availability of biologics. Currently, there are four biologics approved by the US FDA for the treatment of UC, namely, infliximab, adalimumab, golimumab and vedolizumab, and several others are undergoing clinical trial. In this comprehensive review, the advantages and limitations of the medical therapy of UC are elaborated with an emphasis on the pharmacokinetic and pharmacodynamic aspects of the drugs.
Influence of deformation on electrochemical properties of Q235 steel
Authors: Zheng M. , Shuai M. , Yu J. 
Published: August 2018

Abstract
The influence of deformation on electrochemical properties of Q235 steel is studied. The uni-axial tension of the steel is conducted on universal testing machine to get a series of strain, 0.07%, 6%, 11% and 24%, respectively. The deformation process for strain of 0.07% is controlled by load, and the others are controlled by displacement correspondingly. Afterward, the tests of potentiodynamic polarization and electrochemical impedance spectroscopy are conducted for the deformed steel in 0.01 mol.dm−3 NaCl solution. The results showed that plastic deformation leads to crystalline grains refine and elongate, and crystalline boundary increases, it induces more corrosive possibility and lower corrosive resistance; the corrosion potential of Q235 steel becomes more negative with the increase of deformation amount, and the corrosion current density increases with the amount of deformation; the corrosion resistance decrease with the increase of deformation seriously.
On certain functional equations related to Jordan *-derivations in semiprime *-rings and standard operator algebras
Authors: Ashraf Mohammad , Wani Bilal Ahmad 
Published: August 2018

Abstract
The purpose of this paper is to investigate identities with Jordan *-derivations in semiprime *-rings. Let ℛ be a 2-torsion free semiprime *-ring. In this paper it has been shown that, if ℛ admits an additive mapping D : ℛ→ℛsatisfying either D(xyx) = D(xy)x*
+ xyD(x) for all x,y ∈ ℛ, or D(xyx) = D(x)y*x*+ xD(yx) for all pairs x, y ∈ ℛ, then D is a *-derivation. Moreover this result makes it possible to prove that if ℛ satis es 2D(xn
) = D(xn−

1)x*
+ xn−

1
D(x) + D(x)(x*)
n−

1 + xD(xn−

1) for all x ∈ ℛ and some xed integer n ≥ 2, then D is a Jordan *-derivation under some torsion restrictions. Finally, we apply these purely ring theoretic results to standard operator algebras 𝒜(ℋ). In particular, we prove that if ℋ be a real or complex Hilbert space, with dim(ℋ) > 1, admitting a linear mapping D : 𝒜(ℋ) → ℬ(ℋ) (where ℬ(ℋ) stands for the bounded linear operators) such that

2
D

(

A
n

)

=
D

(

A

n
−
1

)

A
*

+

A

n
−
1

D

(
A
)

+
D

(
A
)

(

A
*

)

n
−
1

+
A
D

(

A

n
−
1

)

$$2D\left( {A^n } \right) = D\left( {A^{n - 1} } \right)A^* + A^{n - 1} D\left( A \right) + D\left( A \right)\left( {A^* } \right)^{n - 1} + AD\left( {A^{n - 1} } \right)$$

for all A∈𝒜(ℋ). Then D is of the form D(A) = AB−BA* for all A∈𝒜(ℋ) and some fixed B ∈ ℬ(ℋ), which means that D is Jordan *-derivation.
Auswirkungen des gesetzlichen Mindestlohns im Handwerk in Sachsen-Anhalt
Authors: Brautzsch Hans-Ulrich , Schultz Birgit 
Published: August 2018

Abstract
This paper examines the effects of the minimum wage introduction in Germany in 2015 on the skilled crafts sector in Saxony-Anhalt.
Using novel survey data on the skilled crafts sector in Saxony-Anhalt, we examine three questions: (1) How many employees are affected by the minimum wage introduction in the skilled crafts sector in Saxony-Anhalt? (2) What are the effects of the minimum wage introduction? (3) How did firms react to wage increase?
We find that about 8 % of all employees in the skilled crafts sector in Saxony-Anhalt are directly affected by the minimum wage introduction. A difference-in-difference estimation reveals no significant employment effects of the minimum wage introduction. We test for alternative adjustment strategies and observe a significant increase of output prices.
Verbesserte Finanzbedarfsmessung im nordrhein-westfälischen Finanzausgleich und ihre Verteilungswirkungen
Authors: Brenner Thomas , Döring Thomas 
Published: August 2018

AbstractWithin the local fiscal equalization system of North Rhine-Westphalia, anticipated financial needs of municipalities are estimated by the use of regression analysis. In the recent past the previously exercised regression approach shows unexpected results concerning the main parameters determining intra-system allocation of general grants. Against this background the paper analyses the reasons for these parameter variations in order to identify an alternative approach to achieve regression results with higher accuracy and time stability both of which are of particular importance from a fiscal equalization policy perspective. It will be shown that the so-called robust regression is such an alternative method which leads – in case of its implementation – to divergent distributional effects compared to the status quo.
A Novel Tribometer Designed to Evaluate Geological Sliding Contacts Lubricated by Drilling Muds
Authors: Egberts Philip , Simin Nicholas , Wong Calvin , Czibor Jan , Ewanchuk Curtis , Park Simon 
Published: August 2018

Abstract
Great interest in improving lubricity, or reducing friction, of drilling muds used for horizontal oil well drilling is motivated by increasing the horizontal reach that can be attained by a single drilling site. However, there are a limited number of commercially available devices that can be used to evaluate novel drilling mud solutions under sliding conditions that accurately replicate those encountered in the field, and those that are available are often prohibitively expensive. Here, the design of a low-cost lubricity meter, or tribometer, is documented. The purpose-built tribometer is capable of varying rotating speeds, applied normal loads, temperature, and counter surface materials. In particular, the counter surface of the tribometer can be either a steel surface, as is often used in the industrial lubricity meters available in corporate laboratories, or a geological core specimen taken from the drill site. The novel instrument was then used to evaluate four commercially available water-based drilling fluid lubricant additives, dissolved in distilled water, for both a steel-on-steel contact and a steel-on-rock contact. The steel-on-steel contact shows that the tribometer replicates the results of tests typically conducted in drilling fluid labs, thus verifying the performance of the newly developed tribometer. Additional results show that the friction and performance of the lubricant depend significantly on the materials used: steel-on-steel contacts show much lower friction than steel-on-sandstone contact. Finally, a weak dependence on the applied load is shown for a number of lubricant additives examined.
A Comparison of the ASTM F2508 and ANSI/NFSI B101.3 Walkway-Safety Tribometry Standards Using Measurements from Two Different Tribometers
Authors: Bevill Grant , Baker H. Thomas 
Published: August 2018

Abstract
In order to provide the safest possible built environment for pedestrian use, care must be taken to supply walking surfaces that are slip resistant. However, there remains an inability to establish a method of consensus for determining whether a surface is slip resistant. Two current walkway-safety standards illustrate two different approaches to this issue—ANSI A137.1, American National Standards Specifications for Ceramic Tile, and ANSI/NFSI B101.3, Test Method for Measuring Wet DCOF of Common Hard-Surface Floor Materials, promotes a numeric threshold model, while ASTM F2508, Standard Practice for Validation, Calibration, and Certification of Walkway Tribometers Using Reference Surfaces, is a validation standard based on the relative ranking of walkway surface materials. The goal of this study was to determine whether these two standards are compatible in how they rank/evaluate surfaces. To do this, two tribometers, (the BOT-3000E (BOT) (Regan Scientific Instruments, Southlake, TX, USA) and English XL Variable Incidence Tribometer (XL) (Excel Tribometers, Chesapeake, VA, USA)) were used to take slip resistance measurements using the four reference surfaces designated in the ASTM F2508 standard. Measurements for the BOT were taken under three conditions: (1) styrene–butadiene–rubber (SBR) test foot with distilled water and surfactant (consistent with ANSI/NFSI B101.3), (2) SBR test foot with distilled water, and (3) Neolite test foot with distilled water. Measurements for the XL were taken using a Neolite test foot with distilled water. Results indicate that the vinyl composite tile was the reference surface nearest to the ANSI threshold for high slip resistance but fell approximately 11 % below the threshold value of 0.42. The two most slippery reference surfaces (granite and porcelain) fell well below the ANSI threshold for high slip resistance, while the most slip resistant (ceramic tile) was well above the threshold. Unexpectedly, we also found a strong linear correlation (R2 = 0.99) between the measurements from the XL versus the BOT with SBR and surfactant test condition, which allowed for conversion of slip resistance readings between the two tribometers under these conditions. These results provide new data that allow aspects of the ASTM and ANSI standards to be directly compared.
Kam reikia istorijos didaktikos istorijos (ne pedagogikos) studijose?
Authors: Šermukšnytė Rūta 
Published: August 2018

[article in Lithuanian; abstract and key words in English]
The purpose of this article is to answer the following question: why is history didactics needed in history (non-pedagogic) studies? The article begins with the existing definitions of the concepts of the didactics and history didactics as well as their statuses as academic disciplines. Further attention is paid to the German program of history didactics, an acquaintance with which has caused certain changes in the study programs at the Faculty of History of Vilnius University. The article concludes with a discussion of the reception of the German ideas in the studies of this faculty. The novelty of the article can be seen in the first attempt to scientifically legitimize the teaching of the history of didactics in history studies and to dispute the tradition, a popular one in Lithuania, of dissociating the research on teaching from the studies of historical consciousness, historical culture, memory etc. The article revealed that studies of history (non-pedagogy) can be substantially enriched by those history didactics that, with the help of the categories of historical consciousness and historical culture, treat history teaching (learning) as a part of daily communication and as an integral aspect of human life practice. Such a concept is typical of the German program of history didactics, associated with the 1960s and 1970s. The German program of history didactics was chosen as a theoretical basis when constructing the subject of history didactics for the Master’s Program in History (1997) of the Faculty of History in Vilnius University and when constructing the subject (later the module) of history didactics for the Bachelor’s Program in Cultural History and Anthropology (2003, 2012). German theory presents not only the framework for subject/module themes but it also serves as a theoretical basis that allows to conceptually combine the problems of historical consciousness, academic history, historical culture and school history. It is likely that the concept of history didactics, which goes beyond the school limits, will eventually return the consideration of conceptual issues to the discipline of Lithuanian history didactics.