bluuebunny/crossref_metadata_2025_split huggingface dataset:
Peculiar traits of wood in a leaning stem of Scots pine (Pinus sylvestris L.)
Authors: Jasińska Aleksandra , Tulik Mirela 
Published: October 2017

Abstract
The paper analyses biometrical and anatomical traits of wood in a leaning stem of pine trees. For study purpose, five pine trees (Pinus sylvestris L.) with a visibly leaning stem were chosen. Wood samples were taken at three different stem heights, that is, below the stem curvature, at the curvature and above the curvature. Microscopic specimens were prepared and used for the following measurements: annual rings width, tracheids diameter and tracheids wall thickness. The measurements were performed for wood located on the lower side of the leaning stem and on the opposite side. Cytochemical staining was performed to identify the occurrence of laricinan. The results showed tracheids with a rounded shape and thick cell walls, helical cavities and intercellular spaces in wood located at curvature height on the lower side of the leaning stem. These traits indicate a severe compression wood that allowed pine trees to change their stem position in relation to the vector of gravity.
Proportion of knotty wood in stems of 28-year old lodgepole and Scots pine in experimental plantation in Zvirgzde, Latvia
Authors: Jansons Aris , Matisons Roberts , Pobiarzens Agris , Sisenis Linards , Neimane Una 
Published: October 2017

AbstractIn forestry, alien tree species are planted to maximize yield from a stand by increasing productivity and decreasing environmental risks. In Eastern Europe, lodgepole pine (Pinus contortavar.latifolia) might be used as a source of biomass and industrial wood; however, before any recommendations are given, possible gains of the novel species should be scrupulously evaluated. In this study, we compared volume and proportion of knotty stemwood (VKN) of native Scots pine (Pinus sylvestris) from first generation seed orchards and provenances of alien lodgepole pine [Fort Nelson (58°38’ N, 122°41’ W) and Summit Lake (54°24› N, 122°37› W)] at the age of 27 years growing in central Latvia. We also assessed the relationships between VKN and several morphometric parameters.Stem diameter of both species was similar; however, Summit Lake provenance of lodgepole pine exceeded Scots pine in height, while Fort Nelson provenance was lower than Scots pine. Although Scots pine produced nearly two times less whorls than lodgepole pine, volume of knotless stemwood did not differ significantly between the species; though it was higher for Summit Lake provenance of lodgepole pine compared to Scots pine. In contrast, the proportion of VKN differed significantly between both the species and the provenances. Scots pine showed the lowest proportion of VKN (~ 9%) and Fort Nelson provenances of lodgepole pine showed the highest proportion of VKN (~ 14%). Thus, Summit Lake appears more suitable for the production of industrial wood amongst the provenances of lodgepole pine; nevertheless, higher quantity of leftover material is expected. Some morphometric parameters correlated with VKN and the proportion of VKN, but these relationships differed between species and provenances. The total cross-section of branches was the best predictors of VKN for Scots pine and Fort Nelson provenance of lodgepole pine, while stem diameter showed the strongest correlation for Summit Lake provenance. Number of whorls and mean diameter of living branches were the best predictors of the proportion of VKN for lodgepole pine and Scots pine, respectively. Accordingly, morphometric parameters might be useful for the selection of the best trees of lodgepole pine.
Exposure to infection with Hantavirus (serotype Dobrava/Hantaan) among forestry workers in Poland
Authors: Wróblewska-Łuczka Paula , Chmielewska-Badora Jolanta , Zwoliński Jacek , Galińska Elżbieta Monika , Adamczuk Piotr , Żukiewicz-Sobczak Wioletta , Zagórski Jerzy , Tomasiewicz Krzysztof , Wojtyła Andrzej 
Published: October 2017

Abstract
The hosts of Hantavirus are rodents, while they are transmitted to humans via aerosol, or by direct contact with them. The primary goal of the study was evaluation of the state of health of forestry workers by laboratory diagnosis of the diseases caused by Hantavirus Dobrava/Hantaan. The study covered a group of 820 randomly selected employees of the State Forests from 32 Forest Districts located in the area of the whole of Poland. The results of the study show that the largest number of positive results were registered in the Augustów Forest District – 3 cases (10%), and in Piotrków Trybunalski – 3 cases (11.5%). For the whole of Poland, 25 seropositive results were noted (3%) and 76 results were doubtful (9.3%). The results of the conducted study suggest the occurrence of Hantavirus Dobrava in large forest complexes on the territory of Poland. People residing and working in these areas are exposed to infection, and this exposure seems to be comparable with data from other countries.
Provenance experiment with spruce (Picea abies (L.) Karst. and Picea obovata (Ledeb.)) in the North of Russia (Arkhangelsk region)
Authors: Nakvasina Elena N. , Volkov Alexey G. , Prozherina Nadezhda A. 
Published: October 2017

Abstract
This research presents the variability in the survival and growth for 27 provenances of spruce (Picea abies (L.) Karst. and Picea obovata (Ledeb.)). All the tests were carried out in Russia, Arkhangelsk region, 62º 54’ N, 40º 24’ E, in the northernmost site of the State Geographic Network, established in 1977.
For the research on the spruce provenances, standard methods for studying the geographic variation of the main forest-forming species were used. Growth rates of provenances were correlated with their geographical coordinates and climatic characteristics. Data was expressed in standard deviation units to select the best in growth provenances.
Despite the significant differences in the location of the original stands (up to 12º N and 37º E), variability in survival, height and diameter is low (coefficient of variation is 12.2–19. 0%). Obtained data indicated that provenances’ growth is correlated on longitude of the location rather than on the latitude. Diameter and average height of provenances significantly depend on annual rainfall.
The height of provenance is mostly dependent on the location of the initial habitats and their climatic characteristics. It is also related to the length of the growing season and the air temperature (annual average and in January).
Groups of the provenances of the best and the worst growth were distinguished. The group of the best ones on the integral indicator (volume stand) includes provenances of the western origin represented by P. abies and its immediate hybrids – Karelia (3), Vologda (24), Leningrad (5), Pskov (7) and Moscow (29) Regions – and provenances of the eastern one represented by P. obovata – Komi (26) and Perm (38) Region. High plasticity of spruce (P. abies (L.) Karst. × P. obovata (Ledeb.)), growing within the Russian Plain, in sufficiently favourable conditions of middle taiga subzone (Arkhangelsk Region, Russia) was proved.
The Characteristics and the Concept of the Utilisation of Post-Production Calcareous Waste Deposited in Landfills
Authors: Pajdak Anna , Szymanek Arkadiusz 
Published: October 2017

Abstract
This article presents the results of research into calcareous waste from the production process of oxide propylene. The obtained results show a considerable chemical diversity of calcareous waste with a predominant percentage share of Ca, C and Cl, which are the products of the process. It was shown that the share of calcium bonded in CaCO3was over 20%, which is indicative of the secondary carbonisation process taking place in the waste. The morphological and structural analyses revealed that the grains had a surface area above 12% and a percentage porosity in the range of 25-35%. The reactivity test made it possible to classify calcareous waste as a material for sorbents of 'satisfactory' sorption properties, insufficient to be effectively used in the power sector. For the stored waste to be reused, it is necessary to improve its sorption abilities through the application of a properly selected activation method.
Development of an Innovative Approach for Complex, Causally Determined Failure Chains
Authors: Bielefeld Ovidiu , Dransfeld Hendrik , Schlüter Nadine , Winzer Petra 
Published: October 2017

Abstract
A high number of examples in today’s global industry prove that it is difficult to ensure a certain level of quality. One possible reason is the increasing complexity of modern mechatronic product systems. Interface problems due to several involved science disciplines and the lack of understanding subsystems, which are delivered by different suppliers, make it difficult to identify critical components and specifications of elements. Furthermore, it is even harder to estimate the effects of elements because of their unknown dependencies and relations. Therefore it becomes more and more improbable to develop a safe, sustainable and high quality product right from the beginning.
In order to understand failures in complex system structures today’s engineering industries need a generic approach that increases the understanding of systems, identifies critical components and considers the different levels of a system. It shall examine failures that cause system errors but also failures that limit system functions. Thus, it is necessary to model and simulate the causally failure chains and analyse over several system levels and elements with their dependencies. This leads to a better understanding of the whole picture of cause and effect.
This research paper points out which requirements this new model-based approach has to fulfill and how it is possible to link quality and reliability methods to achieve an overall understanding and analysis of a complex system to assure high quality and sustainability.
Decision Making Towards Integration of Sustainability Into Project Management; A Multilevel Theory Building Approach
Authors: Daneshpour Hosein , Takala Josu 
Published: October 2017

AbstractIn recent years project management has reached into a new paradigm because of integration of sustainability into the projects. The paper argues that multilevel approach is the key driver of successful sustainable project portfolio management. Hereby, this paper strives to underpin the theory and the logic behind the sustainable project management, while providing sustainable competitive advantages. Therefore, it develops an innovative multilevel framework, and analyses the current project management products and processes, and consequently presents a more holistic insight for the implementation of sustainability in project portfolio management.
Development of Quality Management System Under ISO 9001:2015 and Joint Inspection Group (JIG) for Aviation Fuelling Service
Authors: Ruamchat Kanon , Thawesaengskulthai Natcha , Pongpanich Chaipong 
Published: October 2017

Abstract
The Joint Inspection Group (JIG) standard for aviation fuel quality management assists in the operational process and maintenance of aviation fuel from its point of origin and through distribution systems to airports. Currently, problems arise as the JIG standard and quality management in aviation fuel are isolated and have independent procedures. Merging the JIG standards with ISO 9001:2015 can override original JIG’s philosophy by connecting all quality assessment, and management parties involved, throughout the supply chain. This integration can harmonize auditing tasks, focusing on risk/opportunity, and continue quality improvement focus. This paper proposes a development of quality management system (QMS) under ISO 9001:2015 for aviation fuelling service in a systematic way. The content and critical success factors of ISO 9001:2015 and JIG standards were studied. The beneficial synergies, similarities, and logical linkages between both standards are identified. This QMS was developed in the largest petroleum company in Thailand and 60 selected experts were surveyed, with a response rate of 88.3%, for their agreement on integrated criteria. Two external quality auditors, who have ISO 9001 and JIG expertise, were interviewed to modify our initial proposed QMS. The final QMS was implemented in the into-plane fuelling services as the first phase of this implementation. Results of framework implementation are discussed in a case study. There are mutual benefits resulting from the integration of JIG and ISO 9001:2015 standards. This QMS provides a unified process for quality management practices, and enhances the effectiveness of risk evaluation as well as the opportunity for continued quality improvement. It facilitates the identification of ISO 9001:2015 requirements and establishes relationships between the roles of JIG standard and the clauses of ISO 9001:2015. The first experience from five airports as the pilot study of proposed QMS implementation minimized conflicts and duplications between JIG and ISO 9001:2015 standards, reduced the number of into-plane fuelling service incidents reported, such as oil spill, machine stoppage, re-inspections, and recall costs.
Employees Motivation and Openness for Continuous Improvement: Comparative Study in Polish and Japanese Companies
Authors: Stadnicka Dorota , Sakano Kozo 
Published: October 2017

AbstractCurrently, companies must change and evolve to keep pace with the changing environment, customers’ requirements and to be better than their competitors. The changes result from the need to adapt the products to new customers’ requirements as well as to maintain competitive prices of their products. Therefore, companies should be flexible to guarantee short lead time and minimalize their costs to offer a good price for the customers. At the same time, companies should create good work environment for their employees in order to get them involved in improvement processes. In order to survive and develop companies should motivate and involve their employees into a continuous improvement process in different areas of the company. Unfortunately, as based on the companies’ practice and previous research, in many cases employees are not willing to engage in the company development. Continuous improvement is the basis of the philosophy of Quality Management and Lean Manufacturing, which come from Toyota Production System (TPS). The TPS eventually spread throughout the world, and it is held up as an example of the proper management of a production system. The assumptions of TPS system were used to build systems in other companies, but not always with the same success as it was in Toyota. For this reason, the authors of this paper seek to answer the question of whether there are differences in engagement in a continuous improvement process between employees in a Japanese company and a Polish company operating in the same industry and realizing the similar manufacturing. In order to verify this, the research was conducted in two manufacturing companies which operate in the automotive industry. The results of the study and their analysis are presented in the work.
Application of the Theory of Constraints for Project Management
Authors: Trojanowska Justyna , Dostatni Ewa 
Published: October 2017

AbstractThe large variability of internal and external factors is a serious problem hampering production management. To meet the standards and at the same time ensure the viability of production it is necessary to quickly respond to problems that arise during production processes, and to adequately correct plans. Measures taken in the management of madeto-order production are frequently single and unique, and therefore resemble the features of project management. The paper discusses the project management method derived from the theory of constraints – CCPM. The paper describes an original algorithm for CCPM implementation and presents the results of success CCPM implementation in a company from the Wielkopolska region. The implementation of CCPM resulted in improved timeliness of order delivery, improved communication and standardization of processes related to order delivery.
Peripheral Arterial Disease and Chronic Kidney Disease
Authors: Bosevski Marijan 
Published: October 2017

Abstract
There are two points of interplay of chronic kidney (CKD) and peripheral arterial disease (PAD): CKD has been recognized as one of the main factors for presence of PAD, and PAD has been defined as a useful tool for risk stratification of CKD population.
Peripheral arterial disease in patients with CKD is a frequent finding, even in those without symptoms.
This review tends to describe determinants for occurrence of arterial disease in chronic kidney disease patients and necessity for its screening.
Anorexia: Anormal Phobia of Normal Weight
Authors: Pop-Jordanova Nada , Zorcec Tatjana , Demerdzieva Aneta 
Published: October 2017

Abstract
Anorexia nervosa is a disorder of feeding behavior associated with distortion of body image, mood disturbance and a wide variety of hormonal and metabolic abnormalities. It is supposed that the disease could be the consequence of a combination of cultural-social, psychological and biological factors.
Our study confirmed that anorexia mentalis is a serious, life threatening disorder which in our country appears earlier than it was expected and that is strongly related to environmental factors (family, school, fashion, society).
We showed that specific personality traits are characteristic for both, young patients and mothers. Sublimation of emotional stress by exceptional performances, accompanied by food restrictive consumption together with hypersensitivity, oppositional behavior and aggression are specific for this disorder. High levels of self-imposed standards increase the risk for psychological distress, especially for eating disorder symptomatology.
Both genders could be involved as patients. Boys must be especially followed for possible psychiatric manifestation.
We confirmed that the biofeedback as additional therapeutic modality is very useful.
Normal Values of Tissue-Muscle Perfusion Indexes of Lower Limbs Obtained with a Scintigraphic Method
Authors: Manevska Nevena , Stojanoski Sinisa , Pop Gjorceva Daniela , Todorovska Lidija , Miladinova Daniela , Zafirova Beti 
Published: October 2017

Abstract

Introduction

Muscle perfusion is a physiologic process that can undergo quantitative assessment and thus define the range of normal values of perfusion indexes and perfusion reserve. The investigation of the microcirculation has a crucial role in determining the muscle perfusion.

Materials and method

The study included 30 examinees, 24–74 years of age, without a history of confirmed peripheral artery disease and all had normal findings on Doppler ultrasonography and pedo-brachial index of lower extremity (PBI).

99mTc-MIBI tissue muscle perfusion scintigraphy of lower limbs evaluates tissue perfusion in resting condition “rest study” and after workload “stress study”, through quantitative parameters: Inter-extremity index (for both studies), left thigh/right thigh (LT/RT) left calf/right calf (LC/RC) and perfusion reserve (PR) for both thighs and calves.

Results

In our investigated group we assessed the normal values of quantitative parameters of perfusion indexes. Indexes ranged for LT/RT in rest study 0.91-1.05, in stress study 0.92-1.04. LC/RC in rest 0.93-1.07 and in stress study 0.93-1.09. The examinees older than 50 years had insignificantly lower perfusion reserve of these parameters compared with those younger than 50, LC (p=0.98), and RC (p=0.6).

Conclusion

This non-invasive scintigraphic method allows in individuals without peripheral artery disease to determine the range of normal values of muscle perfusion at rest and stress condition and to clinically implement them in evaluation of patients with peripheral artery disease for differentiating patients with normal from those with impaired lower limbs circulation.
Comparative Analysis of Ultrasound Guided Central Venous Catheterization Compared to Blind Catheterization
Authors: Sazdov Darko , Srceva Marija Jovanovski , Todorova Zorka Nikolova 
Published: October 2017

Abstract

Introduction:

Central venous catheterization is performed by the landmark method and ultrasound guided method. The purpose of the study was to compare the success, average number of attempts, average time to return of blood, and complication rate between the two methods.

Material and Methods:

This was a prospective study done in the Intensive Care Unit of the Acibadem Sistina Clinical Hospital, in Skopje. There were 400 patients in need of central venous catheter and they were prospectively randomized in two groups. The patients randomized in the examined-ultrasound group underwent real-time ultrasound-guided catheterization and the patients randomized in the control-landmark group were catheterized using the landmark method. Internal Jugular, Subclavian and Femoral vein were catheterized in both groups. The Overall success, success on the first attempt, time to the return of blood, number of attempts and complications at the moment of catheterization such as arterial puncture, pneumothorax and hematoma formation were the main outcome measures.

Results:

The catheterization using the landmark method was successful in 90.5% of patients, 60.5% of which during the first attempt. The cannulation using real-time ultrasound guidance was successful in 98% of patients with a first pass success of 77%. The complication rate with the landmark method was 14.5% versus 4% with real-time ultrasound guidance p<0.05(p=0.0008).

Conclusion:

Real-time ultrasound guidance improves success, decreases number of attempts, decreases average time to the return of blood and reduces mechanical complications rate.
Hemodynamic and Bispectral Changes During Pin Insertion in Craniotomy – Effect of Locally Infiltrated Bupivacaine
Authors: Durnev Vesna , Soljakova Marija , Filipce Venko , Mijovska Maja Mojsova , Stevanovska Marina Temelkovska 
Published: October 2017

Abstract

Introduction Cranial pins insertion is a method for head stabilization and together with the scalp incision is one of the biggest noxious stimulus associated with arousal and rapid increase of the blood pressure leading to pathological increase of the intracranial pressure. The aim of this investigation is to study the superiority of the locally infiltrated anesthetic bupivacaine just before the skull pin insertion and the scalp incision in craniotomy under general anesthesia.

Methods In the study thirty patients of both genders aged 24-72 years were included. They were categorized as ASA 1 and 2 and divided into two group of 15 patients each, group B (bupivacaine) and group S (saline). We recorded the bispectral (BIS) index, the mean arterial pressure (MAP) and the pulse rate (PR) in five time intervals: t 0-2 min before pin insertion; t 1-2 min after pin insertion; t 2-5 min after; t 3-10 min after and t 4-15 min after.

Results Significant difference p<0.05 was achieved in group S for all three followed parameters: blood pressure, heart rate and bispectral index. The difference is present in all four time intervals compared to the initial one before the pin insertion. With further analysis it was demonstrated that the investigated BIS index participates the most in the overall significance in group F.

Conclusion The scalp infiltration with local anesthetic bupivacaine results with stable hemodynamic parameters and stable intracranial pressure during the painful procedures as craniotomy.