bluuebunny/crossref_metadata_2025_split huggingface dataset:
Changamoto Zinazowakumba Vijana katika Tamthilia ya Kitumbua Kimeingia Mchanga
Authors: Mwangi Jackson Ndung’u 
Published: November 2022

Katika ulimwengu wa sasa, kuna mabadiliko chungu nzima yanayoshuhudiwa duniani yanasababishwa na masuala anuwai kama vile maendeleo ya kiteknolojia pamoja na utandarithi yanayoathiri pakubwa maisha ya vijana. Nchini Kenya, vijana wana umuhimu wa kipekee kwani wanatekeleza majukumu muhimu sana katika kukuza uchumi wa nchi. Isitoshe, idadi ya vijana kote ulimwenguni imeendelea kuongezeka kila uchao na imepiku ile ya wazee. Kwa hivyo, ni nyema kujadili changamoto zinazowakabili na kupendekeza hatua za kukabiliana nazo. Lengo la utafiti huu lilikuwa ni kuchanganua changamoto zinazowakumba vijana pamoja na athari zake katika ya tamthilia ya Kitumbua Kimeingia Mchanga ya S.A Mohamed (2000). Mada hii ilichaguliwa kwa misingi kwamba vijana wanakumbwa na changamoto nyingi katika maisha yao zinazowaathiri kwa kiasi cha haja na kutinga juhudi za kuafikia jaala zao. Utafiti huu ulilenga kubainisha changamoto zinazowakumba vijana katika tamthilia hii na kutambua mbinu ambazo vijana hawa wanazua ili kukabiliana nazo. Nadharia ya Uhalisia ilitumika kwa sababu ilionekana kufaa zaidi kuchanganua changamoto zinazowakumba vijana. Hii ni kwa sababu changamoto hizi zina uhalisia mkubwa katika maisha yao. Madhumuni ya utafiti huu yalikuwa ni kuchunguza na kueleza namna changamoto za vijana zinavyojitokeza katika tamthilia ya Kitumbua Kimeingia Mchanga na kisha kubainisha hatua zinazochukuliwa kuzitatua changamoto hizo. Utafiti huu ni wa kimaelezo na kiudhamano kwani ulihusisha kuchanganua matini zinazohusiana na mada husika. Sampuli katika utafiti huu iliteuliwa kimakusudi kwani ndiyo ingempa mtafiti data aliyonuia kuipata. Ni bayana kuwa utafiti huu utaifaa jamii ya wasomi wanaoshughulikia maswala ibuka katika jamii.
Maschinelles Lernen in der Tribologie/Machine learning in tribology
Authors: Molitor Dirk , Volz Stefan , Launhardt Jonas , Groche Peter 
Published: November 2022

Bei der Nutzung von FE-Simulationen in der Auslegung umformtechnischer Prozesse ist es notwendig, die Kontaktbedingungen mit einem Reibwert zu beschreiben. Im industriellen Alltag wird dabei oft auf Erfahrungswerte zurückgegriffen und der Reibwert als konstant angenommen, obgleich vielfach nachgewiesen ist, dass sich der Reibwert in Abhängigkeit von zeitlich und räumlich divergierenden Einflussgrößen ändert. Dieser Beitrag zeigt einen neuartigen Weg auf, das tribologische System mit Ansätzen des maschinellen Lernens (ML) zu beschreiben.

When using FE simulations in the design of forming processes, it is necessary to define a coefficient of friction. In industrial practice, established empirical values are used and the coefficient of friction is assumed to be constant, although it is well known that the coefficient of friction depends on temporally and spatially divergent influencing variables. This paper presents a novel way to describe the tribological system using machine learning (ML) approaches.
Zweistufiges Kaltumformungsverfahren für Zahnräder/Two-stage cold forming process for gear wheels
Authors: Weiß Andre , Liewald Mathias , Felde Alexander 
Published: November 2022

Das Querfließpressen wird seit mehreren Jahren zur Fertigung von Stirnrädern verwendet. Dieses Verfahren erfordert hohe Prozesskräfte für die Ausfüllung zahnförmiger Kavitäten, was die Werkzeugstandzeit und die Werkstückqualität reduziert. Am Institut für Umformtechnik IfU wurde das Free-Divided-Flow-Verfahren (FDF) entwickelt, um beim Prägen die Prozesskräfte zu reduzieren und die Zahnausformung zu erhöhen. Der Beitrag beschreibt die verfahrenstechnologische Anpassung des FDF-Verfahrens auf die Erzeugung geradverzahnter Stirnräder. Es werden umfangreiche numerische Studien durchgeführt und ein Versuchswerkzeug für die weiteren Prozessuntersuchungen konstruiert.

The process of lateral extrusion has been in use for several years for manufacturing spur gears. However, the process requires high forces for filling the tooth-shaped cavities. This reduces both tool life and workpiece quality. The Institute for Metal Forming Technology has developed the Free Divided Flow (FDF) process to reduce the process forces and to increase the die filling ratio in coining. This paper describes how to adapt the FDF process to the manufacturing of spur gears with straight teeth. For this purpose, extensive numerical studies and a tool for the experimental investigations are presented.
Smart Lean Maintenance in der Stanz- und Umformtechnik/Reduction of maintenance costs in toolmaking – Smart Lean Maintenance in Punching and Forming Technology
Authors: Strutz Florian Josip , Grizelj Branko 
Published: November 2022

Neben einer hohen Produktqualität und Termintreue sind niedrige Herstellkosten, eine hohe Flexibilität und Lieferfähigkeit wichtige Anforderungen an Produktionsunternehmen. In produzierenden Unternehmen hat die Instandhaltung in den letzten Jahrzehnten eine immer wichtigere Rolle eingenommen. So zählt die optimale betriebswirtschaftliche Nutzung und Gestaltung der Anlagen und Werkzeuge, zu ihren grundlegenden Aufgaben. Damit Produktionsunternehmen diese Anforderungen bestmöglich erfüllen können, ist eine gesamtheitliche, softwaregestützte Prozesskette unabdingbar.

In addition to high product quality and adherence to delivery dates, low manufacturing costs, high flexibility and delivery capability are important requirements for production companies. In manufacturing companies, maintenance has taken on an increasingly important role in recent decades. For an optimal economic use design of equipment and tools is one of its fundamental tasks. To enable production companies to meet these requirements in the best possible way, a holistic, software-supported process chain is indispensable.
Leitfaden für hybride Strukturen in der Kreislaufwirtschaft/Life cycle oriented development, design and manufacturing of multi-material components
Authors: Steinberg Julian , Gundlach Christian , Hartwig Sven , Wilde Anna-Sophia , Wanielik Felix , Herrmann Christoph 
Published: November 2022

Das Projekt „Life Cycle Technologien für hybride Strukturen“ (LCT) hat das Ziel, Multimaterialbauteile lebens-zyklusorientiert auf Grundlage der Nutzungs- und End-of-Life Phasen eines Hybridbauteils auszulegen. Wichtiger Bestandteil ist eine ganzheitliche Analyse und Bewertung unter Berücksichtigung technischer, wirtschaftlicher und ökologischer Kriterien. Ein abschließender Leitfaden wird praxisnah erläutern, wie bei der lebenszyklusbasierten Entwicklung hybrider Strukturen zielführend vorgegangen werden kann.

The project „Life Cycle Technologies for Hybrid Structures“ (LCT) aims to design multi-material components in a life-cycle oriented manner based on the use and end-of-life phases of a hybrid component. An important element is a holistic analysis and evaluation taking into account technical, economic and ecological criteria. A concluding guideline will explain in a practical manner how to proceed in a target-oriented approach to the life-cycle-based development of hybrid structures.
Robotergestütztes Trennen von Schraubverbindungen/Automated dismantling of battery systems – Robot-assisted separation of screw connections
Authors: Götz Thomas , Gebhardt Andreas 
Published: November 2022

Der steigende Marktanteil batterieelektrischer Fahrzeuge führt zu einem wachsenden Bedarf an Rohstoffen wie Lithium und Kobalt, deren Versorgungslage risikobehaftet ist. Ein systematisches Batterierecycling kann hier Abhilfe schaffen. Dieser Beitrag thematisiert den Einsatz robotergestützter Bohr- und Fräsverfahren zum Trennen von Schraubverbindungen, um bei korrodierten Gehäuseschrauben oder rundgedrehten Schraubenantrieben eine automatisierte Demontage von Batteriesystemen zu erlauben.

The increasing market share of battery electric vehicles leads to a growing demand for raw materials such as lithium and cobalt, whose supply situation is risky. Systematic battery recycling can provide a solution. This article discusses the use of robot-assisted drilling and milling processes for separating screw connections in order to enable automated dismantling of battery systems with corroded housing screws or round-turned screw drives.
Drehen mit dem Roboter und mehreren Werkzeugen/Turning with a robot and several tools
Authors: Arndt Tassilo , Schulze Volker , Bertram Thomas , Bryg Maximilian , Kipfmüller Martin , Kotschenreuther Jan 
Published: November 2022

Neben klassischen Handhabungs- und Montageaufgaben übernehmen Industrieroboter zunehmend auch komplexere Fertigungsaufgaben und werden beispielsweise zur Zerspanung eingesetzt. Eine im Vergleich zu Werkzeugmaschinen verringerte Steifigkeit führt dabei zur Verschlechterung der Fertigungsqualität bei hohen Prozesskräften. In diesem Fachbeitrag wird ein Konzept zur Reduktion der resultierenden Prozesskräfte am Roboter untersucht, dem konventionellen Prozess gegenübergestellt und bewertet.

In addition to classic handling and assembly tasks, industrial robots are increasingly used for more complex manufacturing tasks, such as machining. A reduced stiffness in comparison to machine tools results in reduction of the manufacturing quality at high process forces. In this paper, a concept for reducing resulting process forces on the robot compared to the conventional process is examined and evaluated.
PENINGKATAN KUALITAS SUMBERDAYA MANUSIA MELALUI PELATIHAN MENJAHIT DAN KEWIRAUSAHAAN PADA SANTRI PONDOK AT -TAHIRIYAH, BANGKALAN, MADURA
Authors: Hidayati Cholis , Pristiana Ulfi 
Published: November 2022

Pondok Pesantren memiliki peranan penting di masyarakat, khususnya terkait persoalan agama. Saat ini, di tengah perkembangan zaman alumni pondok pesantren dituntut tidak hanya mahir dalam hal keagamaan saja, melainkan juga hal lain salah satunya adalah ekonomi. Pondok Pesantren At Tahiriyah sebagai pondok pesantren yang telah lama eksis di tengah-tengah masyarakat Desa Pangpajung Kecamatan Modung Kabupaten Bangkalan, Madura memiliki banyak alumni yang dinantikan kiprahnya di masyarakat. Untuk mendukung perkembangan kewirausahaan, pondok ini telah bekerjasama dengan beberapa instansi pemerintah. Salah satunya adalah dengan dinas perindustrian yang telah memberikan bantuan berupa mesin jahit20 unit, 2 mesin obras, 1 mesin bordir dan 1 alat potong kain. Hingga saat ini peralatan tersebut tidak dimanfaatkan karena ketiadaan skill menjahit. Sebagai upaya untuk memberdayakan para santri Pondok Pesantren At Tahiriyah khususnya di bidang ketrampilan menjahit dan kewirausahaan, maka tim pengabdian masyarakat ( abdimas ) LPPM Untag 1945 Surabaya memberikan pelatihan ketrampilan menjahit dan kewirausahaan kepada para santri. Di sekitar pondok pesantren tersebut, dalam satu wilayah kecamatan Modung terdapat beberapa lembaga pendidikan yang terdiri dari Madrasah Aliyah, SMK, Madrasah Tsanawiyah, dan Madrasah Ibtidaiyyah, yang memiliki total siswa sekitar 3.000 orang. Selama ini, sekolah-sekolah tersebut untuk memenuhi seragam sekolah untuk para siswa, selalu memperolehnya dari kecamatan lain, bahkan dari luar kabupaten Bangkalan. Peluang ini juga yang mendorong Tim untuk mengajarkan ketrampilan menjahit khususnya dan usaha konveksi sebagai upaya untuk memberdayakan santri dan mempersiapkan mereka saat lulus dan terjun kedalam masyarakat. Mereka diharapkan bisa memenuhi kebutuhan baju dan seragam sekolah di wilayah Modung atau khususnya di lingkungan pondok At-Tahiriyah sendiri.
Le langage, un moyen de communication ?
Authors: Gaignard Olivier 
Published: November 2022

L’analyse rigoureuse de la doxa montre qu’on ne saurait réduire le langage à un moyen de communication sans l’amputer de ses aspects les plus essentiels. Le langage humain déborde la parole verbale, le corps lui-même s’exprimant dans un langage plus ou moins conscient ; à l’inverse du présupposé techniciste, on ne peut séparer abstraitement la pensée et le langage ; enfin le langage n’est pas un objet extérieur au sujet parlant, présupposé à partir duquel est construit le concept d’outil. Il reste qu’en suivant le schéma techniciste, la communication est assimilée à un moyen neutre de transmission de l’information. Or la communication renvoie à des fins socialement intéressées et les mots ne sont pas réductibles à des informations neutres. La thèse dominante occulte que l’essentiel du langage réside dans le pouvoir d’affecter l’autre et de se laisser affecter par lui. Dans ses manifestations les plus ordinaires, le langage est une potestas , un pouvoir de transformation des pensées. Mais on doit être attentif à repérer l’efficacité du pouvoir des mots non dans les mots eux-mêmes, mais dans les conditions sociales de production des usages linguistiques, extérieures à la langue. Personne ne parle jamais en son nom propre : celui qui parle est le porte-parole autorisé du groupe qui a investi en lui son capital symbolique. Les façons de parler sont des structures sociales intériorisées, référées dans l’espace social à une langue légitime qui se constitue en norme de discrimination des usages linguistiques. La connaissance de ces mécanismes ne doit pas conduire les travailleurs sociaux au fatalisme, mais leur permettre au contraire à définir les marges de liberté dans lesquelles ils peuvent agir en tenant compte de l’intérêt du public qu’ils accompagnent.
Study of emotional skills in a sample of students and workers
Authors: Ros-Morente Agnes , Coronel Monica , Filella Gemma 
Published: November 2022

Purpose: This study seeks to assess the levels of Emotional Intelligence (EQ) and emotional competencies in a sample of workers and college students according to gender. Furthermore, the research upon which this paper is established seeks to analyze the divergence between the sexes from distinct angles of EQ and emotional competencies. Design/methodology/approach: The study uses a one-way analysis of variance (ANOVA) to determine the differences among the scores of men and women for each of the samples. Self-informed instruments were administered to determine the levels of EQ and emotional competencies in a sample of one hundred and two workers who are residents in Quito, Ecuador, and three hundred and seventy-eight college students from San Francisco de Quito University. The evaluation of the Emotional Intelligence (EQ) type trait was measured through the short version of the Trait Emotional Intelligence Questionnaire (TEIQue-SF) in Spanish, as developed by Pérez (2003).Findings: First, the study performed a detailed analysis of the variables for the worker's sample, which shows that the highest score belongs to the total Measurement of Affective Regulation Styles (MARS) scale. In connection with the different facets of TEIQue, the highest is emotionality (43,245), while the lower score is related to adaptability (11,362). When analyzing workers’ samples, the results show there is no compelling discrepancy between sexes in terms of emotional competencies and EQ. However, with regard to adaptability, there is a display that indicates a tendency towards significance where men show higher scores than women, which suggests that men are more adaptable than women. The students’ samples show that the self-control scale appears to be higher in men than in women, suggesting that men show a model of greater emotional control than women who participated in the study. This finding contrasts with the competencies and skills evaluated with the MARS instrument, which reported women achieving higher scores than men. Originality/value: During the last few years, the study of emotions has been an essential change in the world of research. The influence of emotions in the academic field and later in the workplace has been seen as an essential way to improve well-being and increase motivation and productivity. Even so, there are a significant number of unknowns, such as the influence they have on different sexes.
Can serum progranulin level be used as a prognostic biomarker in non-small cell lung cancer?
Authors: Taci Hoca Nevin , Ünsal Ebru , Murat Koza , Ertürk Arzu , Çapan Nermin 
Published: November 2022

Progranulin has been considered to be a poor prognostic biomarker for some types of malignancies. However, the clinical significance of serum progranulin level and the prognostic value are still not explored in advanced stages of lung cancer. The current study investigates the prognostic significance of progranulin serum levels in advanced-stage non-small cell lung cancer (NSCLC) patients. This study involved 94 subjects (70 advanced-stage NSCLC patients and 24 healthy controls). Serum progranulin level was measured by enzyme-linked immunosorbent assay (ELISA) and was correlated with patient outcome. The association between circulating progranulin level and clinicopathological parameters was detected. Serum progranulin cut-off level predicting six-month survival was determined. Serum progranulin level was found significantly elevated in NSCLC patients than in the control group (p<0.001). We did not determine a significant difference between stage IIIB and stage IV NSCLC patients for serum progranulin levels (p=0.166). When we evaluated the laboratory parameters, only serum LDH level was found significantly correlated with serum progranulin level (p=0.043), also bone and liver metastasis showed a significant correlation with progranulin level (p=0.008 and p = 0.024, respectively). The cut-off level of serum progranulin in predicting six months of survival was determined as 16.03 ng/ml (AUC = 0.973, 95%Cl: 0.903-0.997, p<0.001) with 97.06% sensitivity and 88.89% specificity. Overall survival was determined shorter in patients with progranulin level ≥16 ng/ml than those with <16 ng/ml (p<0.001). Also, in the multivariate analysis using the Cox regression model serum progranulin level was found as an independent prognostic factor for NSCLC (p=0.001). Serum progranulin level may be a useful biomarker for predicting poor survival in advanced-stage NSCLC patients.
Pattern of Postoperative Pain during Endodontic Treatment – A Randomized Control Study
Authors: Kiran Anupama , Chidanadappa Rashmi N. , Kaur Artinder 
Published: November 2022

Background:
The purpose of this study was to evaluate the effect of occlusal relief on the pattern of postoperative pain at different time intervals in patients diagnosed with irreversible pulpitis and apical periodontitis. The null hypothesis proposed was, there is no difference in the postoperative pain in the experimental and control groups.

Materials and Methods:
In this randomized study, sixty posterior teeth with irreversible pulpitis and slight tender to percussion were included. Root canal treatment was initiated and biomechanical preparation was done. Closed dressing was given after placing calcium hydroxide as an intracanal medicament. The patients were randomized using computer-generated randomization software into the experimental group where occlusal contacts were relieved (n = 30) and to the control group where occlusal contacts were left intact (n = 30). Postoperative pain at different intervals was recorded using the Heft-Parker Visual Analog Scale and analyzed.

Results:
There is no statistically significant difference in the incidence of postoperative pain between the two groups. There is a significant reduction in pain at 6 h within the groups compared to all other time intervals, and flare-ups were reported in the occlusal intact group.

Conclusion:
The pattern of postoperative pain did show a gradual reduction in the occlusion relieved group. Flare-ups were reported in the occlusion intact group. Within the limitations of the study, the occlusal reduction could play an important role in prevention of flare-ups during endodontic treatment.
Reinforcement of Endodontically Treated Teeth by Different Intraorifice Barrier Materials
Authors: Gupta Divya , Kamat Sharad , Hugar Santosh , Nanjannawar Girish , Gupta Ruchika , Mulla Saquib 
Published: November 2022

Background:
Fracture incidences are more common in teeth with endodontic therapy and hence endodontic therapy should aim toward the reinforcement of such teeth by placing various restorative materials.

Aims:
Comparative evaluation of different intraorifice barrier material on strengthening the fracture resistance of teeth requiring endodontic therapy.

Methods:
Sixty extracted human mandibular premolars with one root were divided into four groups (n = 15); Group 1- Light cured Glass ionomer cement, Group 2 - Nanohybrid composite (NHC), Group 3 - High copper amalgam, Group 4-Control. Decoronation of specimens was done to a standardized length of 14 mm and was instrumented up to International Organization for Standardization (ISO) #30 size master apical file. Gutta percha was used to carry out the obturation by the cold lateral compaction technique. With the exception of the control group, elimination of 3 mm obturation from the coronal portion was done and intraorifice barrier materials were placed. Universal Testing Machine was used for testing fracture resistance.

Statistical Analysis:
Analysis of variance was applied to analyze the data obtained and pairwise comparison was done by post hoc tukey's test (P < 0.05).

Results:
Better resistance to fracture incidence was seen with NHCs. Control group presented the least values.

Conclusion:
On placement of intraorifice barrier materials in teeth with endodontic therapy, there was a reduction in fracture incidence.
Tumor Microenvironment in Oral Squamous Cell Carcinoma: Special Stains and Scanning Electron Microscopic Study
Authors: Chandni Srivastava , Tamgadge Sandhya , Tamgadge Avinash , Pereira Treville , Mahajan Mayura , Kumar Sourab , Jadhav Abhishek 
Published: November 2022

Abstract

Background:
Effect of the oral cancerous epithelial cells on the extracellular matrix (ECM) and vice versa is also responsible for the growth and progression of cancer. The effect of inflammation on the stroma and its association with progression has also been stated in literature.

Materials and Methods:
The control group consisted of 10 patients with apparently normal mucosa with no history of habits, the study group consisted of 30 patients with oral squamous cell carcinoma (OSCC) confirmed by examination and incisional biopsy. H and E staining, Masson’s Trichrome Staining, and Verhoeff’s Van Gieson staining were used to study the inflammation, collagen fibers, and elastic fiber, respectively. A few selected specimens were studied under the scanning electron microscope. The grade of inflammation was statistically correlated with collagen and elastic fibers.

Observation:
Grade of inflammation was closely associated with lymphadenopathy and the density of collagenous and elastic components of the ECM. The scanning electron microscopic evaluation of elastic fibers revealed irregular fragmented elastic fibers.

Conclusion:
The stroma is the key to complete removal and treatment of OSCC; however, more studies are needed to define the role of each component, therefore improving the prognosis of a patient.