bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Influences of the Rank of Coal on Methane Sorption Capacity in Coals/Wpływ Rzędu Węgla Na Pojemność Sorpcyjną Metanu W Węglach
Authors: Olajossy Andrzej 
Published: September 2014

Abstract
Methane sorption capacity is of significance in the issues of coalbed methane (CBM) and depends on various parameters, including mainly, on rank of coal and the maceral content in coals. However, in some of the World coals basins the influences of those parameters on methane sorption capacity is various and sometimes complicated. Usually the rank of coal is expressed by its vitrinite reflectance Ro. Moreover, in coals for which there is a high correlation between vitrinite reflectance and volatile matter Vdaf the rank of coal may also be represented by Vdaf. The influence of the rank of coal on methane sorption capacity for Polish coals is not well understood, hence the examination in the presented paper was undertaken. For the purpose of analysis there were chosen fourteen samples of hard coal originating from the Upper Silesian Basin and Lower Silesian Basin. The scope of the sorption capacity is: 15-42 cm3/g and the scope of vitrinite reflectance: 0,6-2,2%. Majority of those coals were of low rank, high volatile matter (HV), some were of middle rank, middle volatile matter (MV) and among them there was a small number of high rank, low volatile matter (LV) coals.
The analysis was conducted on the basis of available from the literature results of research of petrographic composition and methane sorption isotherms. Some of those samples were in the form (shape) of grains and others - as cut out plates of coal. The high pressure isotherms previously obtained in the cited studies were analyzed here for the purpose of establishing their sorption capacity on the basis of Langmuire equation.
As a result of this paper, it turned out that for low rank, HV coals the Langmuire volume VL slightly decreases with the increase of rank, reaching its minimum for the middle rank (MV) coal and then increases with the rise of the rank (LV). From the graphic illustrations presented with respect to this relation follows the similarity to the Indian coals and partially to the Australian coals.
Monitoring Climate Changes on Small Scale Networks Using Ground Based GPS and Meteorological Data
Authors: Pikridas C. 
Published: September 2014

Abstract
The total zenith tropospheric delay (ZTD) and its components, hydrostatic and wet parts are important parameters of the atmosphere and directly or indirectly reflect climate processes. This possibility can be more adaptive when meteorological data are combined to co-located meteorological sensors with GPS stations. In this paper eighteen months with one hour time interval ZTD estimates of a permanent GPS station are analyzed with the associated atmospheric parameters provided from a co-located meteorological sensor. The mathematical relationship through the multiple stepwise regression analysis reflects the plausible physical link of temperature and relative humidity values with ZTD’s. This regression equation is assessed by a second data set performed by a small GPS baseline few months later for the same study area. It was found that mainly due to the zenith wet delay variations and with the help of fundamental meteorological equations the behavior of water vapor pressure can be monitored and estimated. This is possible when an appropriate setup of GPS stations and a co-located meteorological sensor exist and if the GPS stations sound the same part of atmosphere. Therefore, the GPS tropospheric products are good indicators for a climate monitoring tool and can help address the physics of a climate model.
RERS2013: A New High-precision Rigid Earth Rotation Series
Authors: Pashkevich V.V. 
Published: September 2014

Abstract
In the previous investigation (Pashkevich, 2013) the high-precision Rigid Earth Rotation Series (designated RERS2012) dynamically adequate to the JPL DE406/LE406 (Standish, 1998) ephemeris over 2000 and 6000 years were constructed. The main aim of present research is improvement of the Rigid Earth Rotation Series RERS2012 by using the JPL DE422/LE422 (Folkner, 2011) ephemeris, and as a result is produced construction of the new high-precision Rigid Earth Rotation Series dynamically adequate to the JPL DE422/LE422 ephemeris over 2000 and 6000 years. The discrepancies in Euler angles between the high-precision numerical solutions and the semi-analytical solutions of the rigid Earth rotation problem are investigated by least squares and spectral analysis methods using the iterative algorithm (Pashkevich, 2013). In order to demonstrate the good convergence of this iterative algorithm are constructed additional solutions of the rigid Earth rotation dynamically adequate to the JPL DE422/LE422 over 2000 years by improvement solutions SMART97 (Bretagnon et al., 1998) and S9000 (Pashkevich and Eroshkin, 2005a). As the results of this investigation, the new improved high-precision Rigid Earth Rotation Series RERS2013 dynamically adequate to the DE422/LE422 ephemeris over 2000 and 6000 years have been constructed. The discrepancies in Euler angles between the numerical solution and RERS2013 do not surpass: 4 uas over 2000 years, 1 mas over 6000 years. The RERS2013 series is more accurate than the RERS2012 series, which is dynamically adequate to the DE406/LE406 ephemeris. The good convergence of the iterative algorithm of this study has been confirmed.
Vaginally-Assisted Laparoscopic Hysterosacropexy for Advanced Utero-Vaginal Prolapse: A Series of 32 Cases
Authors: Elvira Brătilă V. , Brătilă P.C. , Negroiu Andra-Teodora 
Published: September 2014

Abstract
Advanced utero-vaginal prolapse is a frequent condition in the aging female population and several strategies aimed at its treatment have been developed. In order to demonstrate the importance of using the vaginal route in assistance to laparoscopic hysterosacropexy, a retrospective case series was designed, comparing thirty-two patients diagnosed with stage III-IV uterovaginal prolapse according to the POP-Q system. The patients were treated between 2006-2011 using one of two methods of hysterosacropexy: vaginally assisted laparoscopic hysterosacropexy (VALHS) in 18 cases and total laparoscopic hysterosacropexy (LHS) in 14 cases. The choice of method was based on the primary mechanism of central compartment prolapse. The total operative time, the time required for mesh fixation at the cervix and sacrum, the cure rate of prolapse and the rate of re-operation for prolapse were statistically analyzed for both LHS and VALHS and compared between these two procedures by Student T-Test. The main outcome parameters were related to the operative method. The total operative time proved to be equal for both procedures, although the time necessary to attach the mesh to the cervical ring was shorter in VALHS. Therefore, the combination of the vaginal and laparoscopic routes yields a minimally invasive variant of sacropexy with as short an operative time as possible. The vaginal route offers a safe alternative for suturing the mesh and treating concurrent vaginal wall prolapse, while laparoscopy reduces the inherent risks of open abdominal surgery.
The Role of the Radiological Parameters in the Diagnosis of the Ankle Joint Fractures
Authors: Obada B. , Serban Al. O. , Turcu R. 
Published: September 2014

Abstract
The ankle stability and its biomechanics can be compromised after ligamentous and malleolus lesions. The complete early diagnosis, and also the early and late postsurgery results, must be formulated and explained using the tibio-astragalus radiologic indices. The paper evaluates the importance of these presurgery and postsurgery indices, analyzing also the late results under causal report. Our subordinating to the exigency of radiologic indices to obtain a reparation as anatomic as possible, shows that the surgical treatment must be applied to osteo-ligamentous lesions properly, so that to get the remake of tibio-astragalus biomechanics.
The Prevalence of Chronic Diseases by Exposure to Nitrates from Environmental Factors
Authors: Beatrice Severin , Floarea Damaschin , Ileana Ion , Cecilia Adumitresi , Victoria Oancea , Broasca V. , Mocanu Elena , Chirila S. 
Published: September 2014

Abstract
The study aims to analyze the health effects caused by chronic exposure to elevated levels of nitrates in the water in order to improve prevention of some diseases. We analyze water quality from two villages of Constanta County in the period 2006-2012 and we take data about chronic diseases from family doctors of these localities. Analyzes on water samples were made in the laboratory of the Public Health Department. We found a significant increase of prevalence for chronic diseases in locality exposed to nitrates.
Small bowel capsule endoscopy, a modern tool for celiac disease diagnosis - case presentation
Authors: Suceveanu Andra Iulia , Mazilu Laura , Suceveanu A. , Paris S. , Voinea F. , Parepa Irinel , Catrinoiu Doina 
Published: September 2014

Abstract
Celiac disease is a clinically heterogeneous disease characterized by an inadequate immunological response when patients with specific genetic phenotypes are exposed to gluten. This article presents a case of a young woman diagnosed in Gastroenterology Department of “ St. Andrew Apostle” Emergency Hospital of Constanta with celiac disease after multiple admissions into the hospital for unspecific symptoms such as pallor, fatigue, pirosis, weight loss and 1-2 soft stools/day. The history with period irregularities and infertility without a known cause, a recent unexplained bone fracture, the muscle weakness, neuropsychiatric symptoms characterized by sleep disturbances and irritability correlated with the biological features characterized by moderate feriprive anemia, Ca and Mg decreased level, thyroid autoimmune impairment and gastrointestinal symptoms raised the suspicion of an autoimmune disorder with multiple targets. The videcapsule endoscopy (VCE) revealed the specific pattern of the celiac disease: villous atrophy of jejunum, scalloping, absent folds and cobblestone mucosal pattern. Results were correlated with immunology tests results. The patient was transferred on a gluten free diet and the clinical and VCE controlsrevealed the healing of the jejunum mucosa. The VCE can be the tool for positive diagnosis of an unusual and heterogeneous celiac disease in patients with various symptoms without an apparent cause.
Intestinal fistulas occurred after the eventration’s cure with alloplastic procedures
Authors: Berro A. , Savin Silvia , Costea D. , Tomita Maria , Nichifor Ana Maria , Nitu Th.S. , Savin M. , Sarbu V. 
Published: September 2014

Abstract
After eventrations’ postoperative cure through alloplastic procedures, intestinal fistulas may occur. The present study is examining a number of possible factors involved in the occurrence of intestinal fistula (type and location of the celiotomy following which appeared the eventration, the type of the net substitutes, co-morbidities and the method of the alloplastic substitution) and its treatment. The analysis was retrospective and it covered 8 (eight) cases of intestinal fistula occurred after the installation of replacement nets for eventration postoperative cure.
Relations between pulmonary venous branches and bronchial and arterial branches
Authors: Ispas S. , Bulbuc I. , Bordei P. , Iliescu D.M. 
Published: September 2014

Abstract
Our results were obtained on 24 cases, 12 plastic molds and 12 dissections, examining the relations between the branches of origin of the pulmonary veins, and of their roots and trunks with the corresponding bronchuses and arteries.
We assessed the situation of the superior and inferior right pulmonary veins, of the superior, middle and inferior lobes pedicles, together with the general assessment of the right pulmonary pedicles. Same is on the left. We cannot speak of a general sample that applies to the broncho-pulmonary vascular pedicles or to the relations between the pulmonary veins and their branches with broncho-arterial elements, as they are quite varied; they are characteristic of each lung lobe and even segment, being unable to assess standard relations only in the hilum. When variation in number occurs, even into the hilum we may have altered relations. Also is quite common that vascular branches may pass from one lobe to another, as long as the pulmonary fissures are rarely complete.
The Investment Environment for Renewable Energy Development in Lithuania: The Electricity Sector
Authors: Milčiuvienė Saulė , Paškevičius Julius 
Published: September 2014

Abstract
The article analyzes the investment environment in renewable electricity generation capacities, evaluating the credibility of long term renewable energy targets, the stability of promotion schemes and the impartiality of national administrative procedure. The article explores two main questions: (i) are the EU and Lithuanian energy policy targets and promotion schemes credible enough to convince private investors to put their money in renewable energy development; (ii) does national administrative procedure put a disproportional burden on renewable energy investors or on certain group of investors? The assessment of the investment environment includes a large number of criteria, but we analyze three of them: the stability of long term strategy; the attractiveness of promotionmeasures; and the simplicity and transparency of administrative procedure. Two further criteria are investigated: the stability of targets in renewable energy and the stability of promotional measures. The greatest uncertainty for investors occurs because of constantly changing support schemes of renewable energy sources-schemes that are not harmonized among the member States. At the national level the main driver in the development of small generators is the feed-in tariff. However, the high feed-in tariff does not always guarantee the smooth development of small scale generators of renewable energy.
Environmental influences on propagation of explosive wave on the dynamic response of plate
Authors: Barnat W. 
Published: September 2014

Abstract
The purpose of this article is to present the influence of the environment on the propagation of a shock wave and the dynamic response of the plate load by a shock wave. In the course of research in this field an experimental study was performed. An experimental study concerns the test plate loaded by a shock wave, formed after the detonation of an explosive device with equivalent weighing of TNT equal to 1 kg. During numerical investigations environmental impacts have been tested on the dynamic response disc. The considered environments of explosions were air water and soil. A model of the phenomenon has been prepared using commercial software MSC DYTRAN.
The new, parameterised VT model for determining quality in the video-telephony service
Authors: Uhl T. , Paulsen S. 
Published: September 2014

Abstract
This paper describes a new method for measuring and appraising the quality of the video stream in the video-telephony service in IP environments (VToIP). The method uses the so-called VS Model and belongs to the group of parameter-based measurement techniques (offline operation, i.e. without active measurement). It delivers results that come extremely close to those contained in the corresponding Perceptual Evaluation of Video Quality (PEVQ) curves. The method is quick and easy to use - a convincing argument for using this new QoS measuring method.
A subinterval-based method for circuits with fractional order elements
Authors: Sowa M. 
Published: September 2014

Abstract
The paper deals with the solution of problems that concern fractional time derivatives. Specifically the author’s interest lies in solving circuit problems with so called fractional capacitors and fractional inductors. A numerical method is proposed that involves polynomial interpolation and the division of the entire time interval (for which computations are performed) into subintervals. Analytical formulae are derived for the integro-differentiation according to the Caputo fractional derivative. The rules that concern the subinterval dynamics throughout the computation are also presented in the paper. For exemplary linear circuit problems (AC and transient) involving fractional order elements the solutions have been obtained. These solutions are compared with ones obtained by means of traditional methods
Synthesis, characterization and catalytic properties of SAPO-11 molecular sieve synthesized in hydrothermal media using di-isopropylamine as template
Authors: Chellappa T. , Costa M. Jose Fonseca , Nascimento W.A. , De Lima L. Ferreira , Bassan I. Almeida , Tavares M. , Fernandes V.J. , Menezes A. , Meira L. Guilherme , De Medeiros J. Telesforo Nóbrega , Nascimento R. Maribondo Do 
Published: September 2014

Abstract
A microporous SAPO-11 Molecular sieve was successfully synthesized by the hydrothermal method, using a single agent, as an organic template: di-isopropylamine (DIPA). The obtained solid was calcined at 550◦C for three hours, after which the flow of nitrogen was exchanged for that of synthetic air and submitted for another ten hours of calcination, so as to remove the single agent: di-isopropylamine, which after the removal of the template could be observed by the high crystallization of the sample. Furthermore, the molecular sieve was characterized by XRD, SEM, TG-DTG and N2 adsorption desorption (BET analysis). The obtained catalyst proved to have a high potential catalytic activity and selectivity, through the obtained characterization results, exhibiting good hydrothermal stability. The catalytic performance of SAPO-11 was tested by the deactivation/regenerability of the coked sample, furthered by cracking of n-hexane reaction and high olefins selectivity was obtained.
Stabilization of autonomous linear time invariant fractional order derivative switched systems with different derivative in subsystems
Authors: Balochian S. 
Published: September 2014

Abstract
In this paper, the stabilization problem of a autonomous linear time invariant fractional order (LTI-FO) switched system with different derivative order in subsystems is outlined. First, necessary and sufficient condition for stability of an LTI-FO switched system with different derivative order in subsystems based on the convex analysis and linear matrix inequality (LMI) for two subsystems is presented and proved. Also, sufficient condition for stability of an LTI-FO switched system with different derivative order in subsystems for more than two subsystems is proved. Then a sliding sector is designed for each subsystem of the LTI-FO switched system. Finally, a switching control law is designed to switch the LTI-FO switched system among subsystems to ensure the decrease of the norm of the switched system. Simulation results are given to show the effectiveness of the proposed variable structure controller.
A robust fixed-lag smoothing algorithm for dynamic systems with correlated sensor malfunctions
Authors: Grishin Yu.P. , Janczak D. 
Published: September 2014

Abstract
A new robust fixed-lag smoothing algorithm for fault-tolerant signal processing in stochastic dynamic systems in the presence of correlated sensor malfunctions has been developed. The algorithm is developed using a state vector augmentation method and the Gaussian approximation of the current estimate probability density function. The algorithm can be used in the real-time fault-tolerant control systems as well as in radar tracking systems working in the complex interference environment. The performance of the developed algorithm are evaluated by simulations and compared with smoothing and nonlinear filtering algorithms.
Contribution of TiN/Ti/a-C:H multilayers architecture to biological and mechanical properties
Authors: Major L. , Lackner J.M. , Kot M. , Janusz M. , Major B. 
Published: September 2014

Abstract
Complex microstructure analysis of TiN/Ti/a-C:H multilayer coatings, subjected to mechanical and biological tests, were performed by means of transmission electron microscopy (TEM) and confocal scanning laser microscopy (CSLM), respectively. Influence of interface numbers and phase ratios on coating properties was studied. Thin films were fabricated by a hybrid PLD technique (PLD supported by magnetron sputtering). The a-C:H phase was characterized by an amorphous structure, while TiN was built of columnar crystallites. Multilayer coatings contained sequentially deposited TiN and a-C:H layers with thin metallic Ti inter- layers deposited at each interface. Mechanisms of mechanical wear of analyzed systems were presented focusing on the cracking propagation revealed in the scratch test. Biological tests were done basing on smooth muscle cells adhesion to coating surfaces.
An increase of TiN phase in the coating led to improvement of mechanical properties, while the carbon phase improved the biological behavior. Coatings comprising a higher rate of the carbon (a-C:H) revealed brittleness and were prone to delaminating. Optimal properties from the mechanical and biological point of view were stated for 8xTiN/Ti/a-C:H coating with 1:1 phase ratio (TiN to a-C:H).
Application properties of methods for fault detection and isolation in the diagnosis of complex large-scale processes
Authors: Kościelny J.M. , Syfert M. 
Published: September 2014

Abstract
The survey presents a selection of the methods of the fault detection and isolation suitable to be useful for the diagnostics of the complex, large scale industrial processes. The paper focuses on these methods that have appropriately high level of potential applicability in industrial practice. The novelty of the paper relies on the discussion of the dependency of the level of knowledge about diagnosed process and recommended diagnostic approaches. Appropriate recommendations were given in the convenient form of the table
Optical and electrical properties of (Ti-V)Ox thin film as n-type Transparent Oxide Semiconductor
Authors: Mazur M. , Domaradzki J. , Wojcieszak D. 
Published: September 2014

Abstract
In this paper, the influence of vanadium doping on optical and electrical properties of titanium dioxide thin films has been discussed. The (Ti-V)Ox thin films was deposited on silicon and Corning glass substrates using high energy reactive magnetron sputtering process. Measurements performed with the aid of x-ray diffraction revealed, that deposited thin film was composed of nanocrystalline mixture of TiO2-anatase, V2O3 and β-V2O5 phases. The amount of vanadium in the thin film, estimated on the basis of energy dispersive spectroscopy measurement, was equal to 3 at. %. Optical properties were evaluated based on transmission and reflection measurements. (Ti-V)Ox thin film was well transparent and the absorption edge was shifted by only 11 nm towards longer wavelengths in comparison to undoped TiO2. Electrical measurements revealed, that investigated thin film was transparent oxide semiconductors with n-type electrical conduction and resistivity of about 2.7 · 105 Ωcm at room temperature. Additionally, measured I-V characteristics of TOS-Si heterostructure were nonlinear and asymmetrical.
Aspects of Microsoft Kinect sensor application to servomotor control
Authors: Parzych M. , Dabrowski A. , Cetnarowicz D. 
Published: September 2014

Abstract
This paper presents the design process of a gesture control system based on the Microsoft Kinect sensor. An environment enabling implementation of the integrated system using a variety of equipment and software was selected and prepared. A method for integrating the sensor with the Arduino environment has also been discussed. Algorithms for remote gesture control of the given servodrive angle and the position of the robot arm gripper were prepared. The results of several experiments, which were carried out in order to determine the optimal method for starting, controlling, and stopping the drive and for assessment of the accuracy of the proposed method for the arm control, are presented.