bluuebunny/crossref_metadata_2025 huggingface dataset:
Ben Recht on Meehl's Philosophical Psychology
Authors: Kun Jeremy
Published: September 2024

Ben Recht, a computer science professor at UC Berkeley, recently wrapped up a 3-month series of blog posts on Paul Meehl’s “Philosophical Psychology.” Recht has a table of contents for his blog series. It loosely tracks a set of lectures that Meehl gave in 1989 at the University of Minnesota. In it, he surveys of the philosophy of science, lays out a framework for scientific debate, and critiques scientific practice.
MLIR — Writing Our First Pass
Authors: Kun Jeremy
Published: September 2024

Table of Contents This series is an introduction to MLIR and an onboarding tutorial for the HEIR project. Last time we saw how to run and test a basic lowering. This time we will write some simple passes to illustrate the various parts of the MLIR API and the pass infrastructure.
Silent Duels—Constructing the Solution part 2
Authors: Kun Jeremy
Published: September 2024

Previous posts in this series: Silent Duels and an Old Paper of Restrepo Silent Duels—Parsing the Construction Silent Duels—Constructing the Solution part 1 Since it’s been three years since the last post in this series, and the reason for the delay is that I got totally stuck on the implementation. I’m publishing this draft article as partial progress until I can find time to work on it again. If you haven’t read the last post, please do.
Silent Duels—Parsing the Construction
Authors: Kun Jeremy
Published: September 2024

Last time we discussed the setup for the silent duel problem: two players taking actions in $ [0,1]$, player 1 gets $ n$ chances to act, player 2 gets $ m$, and each knows their probability of success when they act. The solution is in a paper of Rodrigo Restrepo from the 1950s. In this post I’ll start detailing how I study this paper, and talk through my thought process for approaching a bag of theorems and proofs.
Linear Programming and Healthy Diets — Part 2
Authors: Kun Jeremy
Published: September 2024

Previously in this series: Linear programming and healthy diets — Part 1 Linear programing and the simplex algorithm Foods of the Father My dad’s an interesting guy. Every so often he picks up a health trend and/or weight loss goal that would make many people’s jaw drop.
Carnival of Mathematics #209
Authors: Kun Jeremy
Published: September 2024

Welcome to the 209th Carnival of Mathematics!
"Practical Math" Preview: Collect Sensitive Survey Responses Privately
Authors: Kun Jeremy
Published: September 2024

This is a draft of a chapter from my in-progress book, Practical Math for Programmers: A Tour of Mathematics in Production Software. Tip: Determine an aggregate statistic about a sensitive question, when survey respondents do not trust that their responses will be kept secret.
Searching for RH Counterexamples — Scaling Up
Authors: Kun Jeremy
Published: September 2024

We’re ironically searching for counterexamples to the Riemann Hypothesis. Setting up Pytest Adding a Database Search Strategies Unbounded integers Deploying with Docker Performance Profiling Last time we made the audacious choice to remove primary keys from the RiemannDivisorSums table for performance reasons.
Packing Matrix-Vector Multiplication in Fully Homomorphic Encryption
Authors: Kun Jeremy
Published: September 2024

In my recent overview of homomorphic encryption, I underemphasized the importance of data layout when working with arithmetic (SIMD-style) homomorphic encryption schemes. In the FHE world, the name given to data layout strategies is called “packing,” because it revolves around putting multiple plaintext data into RLWE ciphertexts in carefully-chosen ways that mesh well with the operations you’d like to perform.
The Communicative Value of Using Git Well
Authors: Kun Jeremy
Published: September 2024

Recently my employer (Google) forced me to switch to Mercurial instead of my usual version control system, git. The process of switching sparked a few discussions between me and my colleagues about the value of various version control systems. A question like “what benefit does git provide over Mercurial” yielded no clear answers, suggesting many developers don’t know. An informal Twitter survey didn’t refute this claim.
Dynamic Programming Fail
Authors: Kun Jeremy
Published: September 2024

This is a story about a failure to apply dynamic programming to a woodworking project. I’ve been building a shed in my backyard, and for one section I decided to build the floor by laying 2x4 planks side by side. I didn’t feel the need to join them with tongue-and-groove, but I did notice that using 2x4s alone wouldn’t fit the width they were supposed to fill.
Tabletop Games Based on Math Problems
Authors: Kun Jeremy
Published: September 2024

There’s a family of tabletop games that are based directly on a nontrivial mathematics problem. As a casual and fun way to inaugurate my new blog (migrated from Wordpress to Hugo, after my work on getting better LaTeX mathmode support in Hugo), I thought I’d write a short listicle about them, so that I have a place to add more as I find them, as well as give the shortest canonical description of the associated math problem.
NP-hard does not mean hard
Authors: Kun Jeremy
Published: September 2024

When NP-hardness pops up on the internet, say because some silly blogger wants to write about video games, it’s often tempting to conclude that the problem being proved NP-hard is actually very hard! “Scientists proved Super Mario is NP-hard? I always knew there was a reason I wasn’t very good at it!” Sorry, these two are unrelated. NP-hardness means hard in a narrow sense this post should hopefully make clear.
Math databases
Authors: Kun Jeremy
Published: September 2024

Steven Clontz informed me of an effort he’s involved in called code4math. It’s described as a professional organization for the advancement of mathematical research through building non-research software infrastructure. By that he means, for example, writing software packages like Macaulay2 or databases of mathematical objects that other researchers can use to do their research.
Correlation of GLUT4, LEPR , and TNF-a with endometrial receptivity in women with polycystic ovarian syndrome-induced infertility
Authors: Yan Dong , Kong Wei , Yifei Li , Yan Liu , Lin Li , Yan Li
Published: September 2024

Background: To analyze the correlation of glucose transporter 4 (GLUT4), leptin receptor (LEPR), and tumour necrosis factor-a (TNF-a) with endometrial receptivity (ER) in patients with polycystic ovarian syndrome (PCOS)induced infertility to provide clinical evidence for future diagnosis and treatment of PCOS-induced infertility. Methods: We prospectively enrolled 109 study subjects admitted to The Second Hospital Affiliated of Shandong University of Traditional Chinese Medicine from June 2020 to August 2023, including 42 patients with PCOS-induced infertility (research group), 35 nonpregnant patients with simple PCOS (control group), and 32 nonpregnant healthy women (normal group). GLUT4, LEPR, and TNF-a levels in the peripheral blood were detected in all participants, and their diagnostic value for PCOS in healthy women and PCOS-induced infertility in PCOS patients was analyzed. In addition, the endometrial thickness and endometrial blood flow pulsation index (PI) and resistance index (RI) of patients in the research group were measured. Furthermore, the correlation of GLUT4, LEPR, and TNF-a with ER was discussed. Results: GLUT4 was lower in the research group compared with the control and normal groups, while LEPR and TNFa were higher (P<0.05); the control group showed lower GLUT4 and higher LEPR and TNF-a levels than the normal group (P<0.05). The diagnostic sensitivity and specificity of GLUT4, LEPR, and TNF-a combined assay for PCOSinduced infertility in PCOS women were 88.57% and 75.00%, respectively, and those for PCOS in healthy women were 78.57% and 60.00%, respectively (P<0.05). In the research group, GLUT4 was positively correlated with endometrial thickness and negatively linked to RI and PI. At the same time, LEPR and TNF-a were negatively associated with endometrial thickness and positively correlated with RI and PI (P<0.05). Conclusions: GLUT4, LEPR, and TNF-a are closely related to ER in patients with PCOS-induced infertility, and their combined detection can effectively evaluate the occurrence of PCOS and PCOS-induced infertility.
Thermal Diffusion and Diffusion Thermo Effects on Axi-Symmetric Boundary Layer Flow of Nanofluid Due to Non-Linear Stretching Sheet along the Radial Direction in presence of Magnetic field
Authors: Ganga Upender Reddy , Ch Janaiah , B Shankar Goud
Published: September 2024

This work presents the results of numerical research that was conducted on the flow of axisymmetric nanofluids through a nonlinearly stretched sheet in the radial direction while a magnetic field influence was present. This model of a nanofluid demonstrates the presence of both the Brownian motion and the thermophoretic nanoparticle diffusion effects simul-taneously. When calculating the flow, both the Dufour effect and the Soret effect are taken into consideration. The conservation of energy, species, and momentum is represented by the equations for this process. The transformation of partial differential equations can be achieved by utilizing similarity conversions. These equations take into account all of the thermophysical char-acteristics. Therefore, a feasible solution may be found in the Runge-Kutta approach. Graphic representations of the profiles for velocity, temperature, and concentration, along with evaluations of a few other parameters, are shown When compared to some of the earlier studies, the R-K code's validity is shown to be beyond question. Brownian motion((Nb) and Dufour effect(Du) lead to an increase in the temperature gradient. The results provide some insight into how the nanofluid is used in various com-mercial endeavors.
Rudimentary Horn Pregnancy – An Overview
Authors: Sasane Aparna
Published: September 2024

Pregnancy in rudimentary horn is rare and carries a grave consequence to the mother and the fetus. It can be difficult to diagnose clinically and even with diagnostic images. Early diagnosis of this uterine anomaly is essential before pregnancy if possible or in the first trimester. Therefore, location of pregnancy and detection of uterine malformation is essential. Understanding the sonographic appearance of early pregnancy in a non-communicating rudimentary horn is important and can be lifesaving.
Implant Mucointegration, A Key to Enhance Osteointegration
Authors: Elfarouk M
Published: September 2024

After osseointegration, mucointegration becomes over the years the new paradigm in implantology. The mucosal biological seal is the only and most important protection barrier between the osteointegrated implant and the oral environment. For optimal mucointegration to take place, several conditions are required, including the presence of a vertical thickness of soft tissue greater than 2 mm. This value is all the more important today, especially with the rise in use of short implants. A thick phenotype is a trait to research or to recreate. If the vertical thickness soft tissue is insufficient, the optimal conditions for establishing biological space, several options will be presented to the practitioner: thickening of the mucosa, reduction of the bone ("reduce the bone to save the bone") or the choice of placing a "tissue level "a little deeper knowing fully well that bone resorption will follow. The diagnosis of the fine phenotype must be made before surgery, as CBCT can then be an invaluable ally to adapt our implant therapy. Accordingly, mucointegration depends on other factors such as: implant materials and design, implant surface condition, type of implant / abutment connection, and occlusion, all of which have a lesser impact than the gingival phenotype. The objective of this article is to focus on the particularities of the peri-implant attachment system and to show its place in the maintenance of osseointegration.
Faktor Analisa Dengan Pemberian Asi Eksklusif Terhadap Umur Dan Pekerjaan Ibu Menyusui
Authors: Susanti Susanti , Rabuana Susi , D Yuliana , Sallo Andi Kamal M
Published: September 2024

Breast milk (ASI) is a fluid that comes out of the mammary glands of a mother's breasts which contains various nutritional substances that are crucial in supporting the development and growth of toddlers. Breast milk is divided into 3 types, namely colostrum, transitional breast milk, and mature breast milk. Exclusive breast milk is breastfeeding that is not accompanied by any other food or drink supplementation except medication. Exclusive breast milk is given for the first 6 months, after this period breast milk is unable to meet mineral needs so it must be accompanied by complementary food for breast milk (MP ASI). This study aims to determine the relationship between maternal age and employment and exclusive breastfeeding at the Mamuju Community Health Center. This research is an analytical survey with a cross-sectional approach. The results of the analysis of the age of mothers with exclusive breastfeeding obtained a p-value of 0.007 (p<0.05) while the analysis of the work of mothers with exclusive breastfeeding resulted in a p-value of 0.000 (p<0.05). In conclusion, there is a relationship between the mother's age and occupation and exclusive breastfeeding in the Mamuju Community Health Center working area.
Analisis Faktor Yang Mempengaruhi Tingkat Kecemasan Pasien Pre Operasi Di Rumah Sakit Umum Daerah Kabupaten Dompu Tahun 2023
Authors: Mukhlis Mukhlis , Ayatullah Ayatullah , Kadafi Amirul
Published: September 2024

Anxiety is an emotional reaction that arises from uncertain and non-specific causes that can cause feelings of discomfort and feel threatened.  Anxiety causes physical and emotional disturbances, increasing body temperature through hormonal and innervation stimuli. Various causes of anxiety in preoperative patients include situations such as personal, environmental, maturational, educational level, stimulus characteristics, and individual characteristics.  The purpose of this study was to determine the factors that affect anxiety in preoperative patients at Dompu Regency Hospital. The research design used non-experimental with analytic survey type and cross-sectional approach. respondents experienced severe anxiety level as many as 4 (6.70%) respondents, moderate anxiety as many as 15 (24.40%) respondents, mild anxiety 28 (46.70%) respondents. The relationship between factors of age, gender, education, marital status, type of surgery, surgical experience is enough to influence respondents in deciding attitudes towards preoperative anxiety. Family support and attention calmed the respondents so that anxiety decreased.
Kajian Artikel: Evaluasi Faktor-Faktor yang Mempengaruhi Waktu Tunggu Pelayanan Resep Rawat Jalan Rumah Sakit di Indonesia Tahun 2023
Authors: Sagita Vina A. , Sukmadryani Yunilah , Sanjaya Suwitno
Published: September 2024

Pharmaceutical Care are one of the services that must be provided in a hospital. The indicator used to measure good pharmaceutical service is the waiting time for prescription drug services. Prescription services that have fast service waiting times will increase patient satisfaction with overall pharmaceutical services. Initial search results for related articles still show waiting times for drug prescriptions that do not meet the minimum service standards at hospitals. The aim of this research is to determine and evaluate the factors that influence the waiting time for outpatient prescription services in hospitals. The research uses related literature studies and produces descriptive data. Based on an article research regarding factors that influence waiting times for hospital drug prescription services in Indonesia in 2021-2023, namely human resources in pharmacy installations, completeness of patient files, availability of drugs prescribed by doctors, use of electronic and manual prescriptions together, compounded drug prescriptions, information systems in pharmacy installations, doctors who are difficult to contact to confirm prescriptions, inadequate room space. Hospitals need to pay attention to these factors so that the quality of waiting time for pharmaceutical services in hospitals can be maintained.
Pengaruh Terapi Dingin Kompres Es Terhadap Perubaha Intesitas Nyeri Pada Penderita Nyeri Punggung Bawah Di Desa Risa Wilayah Kerja Puskesmas Woha Tahun 2019
Authors: Supriadin Supriadin , Wahidah Wahidah , Lestari Ayu Wahyuni
Published: September 2024

Background : Lower back pain is one of the musculoskeletal disorders that often occurs and causes a decrease in work productivity and disability . Low back pain is a major cause of disability that affects work and general well-being. One way to reduce lower back pain is by giving cold compresses to cold compresses. Cold compresses can provide changes to the skin, subcutaneous tissue, kular itramus and temperature in the joints.
Method : The research design used in this study was the One Group Pre-Test-Post Test Design. The independent variable is cold compress ice therapy while the dependent variable is low back pain. Sampling was done based on inclusion criteria with a sample of 30 people. Analysis of data using the Wilcoxon Signed Rank Test.
Results : After being given cold compress ice therapy, low back pain which was originally severe pain dropped to moderate pain. Conclusion : There is an effect of cold compress ice therapy on changes in low back pain in patients with low back pain in the risa village work area of ​​Woha Puskesmas.
Sosialisasi Pemilihan Alat Kontrasepsi Pada Wanita Usia Subur Di Desa Budong – Budong
Authors: Parwati Dewi , Thalib Kiki Uniatri , Susanti Susanti , D Yuliana
Published: September 2024

The government's efforts to achieve the third SDGs goal by implementing the Family Planning program are implemented as a means to suppress population growth and improve maternal and child health in the context of high maternal mortality rates, and provide access to contraception for couples of childbearing age or older women. Contraception is a method or method that aims to prevent pregnancy. The design of the mechanism for implementing this activity refers to the four steps of action research, namely: planning, action, observation and evaluation and reflection on activities. The implementation of this activity takes the form of implementing a community service program which is carried out in the form of a pre-test and post-test regarding women's understanding of contraceptive methods, providing counseling on contraceptive selection, health checks and providing leaflet facilities. Based on the results, it shows that the majority of respondents are classified as having good knowledge. This is natural because the majority of respondents already have sources of information with this sophisticated ssat technology.
Edukasi Untuk Meningkatkan Tingkat Pengetahuan Ibu Tentang ISPA Di RW 05 Kertamaya Bogor Selatan
Authors: Lannasari Lannasari , Solehudin Solehudin , Herliana Irma , Koto Yeni , Lestari Nur Eni
Published: September 2024

Public education about ARI is important to reduce the spread of the disease and its impact. Good knowledge about ARI can help the community prevent the spread of this disease and reduce its impact, especially among vulnerable groups such as children. Counseling also encourages better preventive measures and quick and appropriate treatment. Similar educational programs need to be continuously held to improve overall public health. The purpose of this activity is to increase the level of public knowledge about ARI. Community service activities are carried out by professional nurse lecturers who teach community and family nursing courses. Community service together with professional nurse students who are practicing community and family nursing. Community service activities are health counseling. The counseling and simulation were carried out on Saturday, June 13, 2024 at 09.00 - 12.00 WIB in the Madrasah Marga Jaya room, RT 02 RW 05, Kertamaya Village, South Bogor District, Bogor City, West Java. After being given counseling to the community, the level of knowledge of mothers about ARI increased after being given counseling about ARI. This educational activity successfully achieved its goal of increasing the level of knowledge of mothers about ISPA and providing a significant positive impact on the health of children and the community.
Pendidikan dan Promosi Kesehatan tentang Masalah Hipertensi dan Pola Hidup Bersih Sehat Pada Masyarakat Khususnya Wanita Usia Subur
Authors: Dunggio Abdul Rivai Saleh , Musdalifah Musdalifah , Peluw Zulfikar , Rasyid Djusmadi , Pratiwi Cici
Published: September 2024

Various drug-related problems can be caused by the community's lack of understanding about the use and proper handling of drugs. Providing education on how to use special drugs such as ear drops is very important because there are critical points in ear drops, especially in the method of instillation. Providing incomplete and unclear information on how to use drugs will result in less than optimal therapy so that the drug will not achieve the desired therapeutic effect. This community service activity aims to increase public knowledge about how to use ear drops properly. This service is carried out by providing information through leaflets and explaining directly to the community. Providing education on how to administer ear drops to the community received a good response because most people do not know how to use them properly. The presence of 36 participants and the participants who attended were very enthusiastic in listening to the explanation and actively asked questions related to the use of ear drops and their handling. This can support the realization of government programs in improving health services for the community. This counseling received significant results. Therefore, the PkM TEAM hopes that with this counseling, it can share information about the correct use and handling of ear drops with their family members.
Pendidikan Kesehatan dan Peningkatan Pengetahuan Dan Kemampuan Petugas Kesehatan dan Kader dalam Melaksanakan Posyandu System 5 Meja
Authors: Idris Idris , Nursiah Andi , Mildaratu Mildaratu , Lusyana Lusyana , Wahyuni Sri , P Nur Triningtias
Published: September 2024

Health services are any efforts carried out individually or collectively within an organization to maintain and improve health, prevent and cure disease, and restore the health of individuals, families, groups and/or communities. The aim of this service activity is to increase the knowledge and ability of cadres to implement the 5 table posyandu system. Cadre training related to the implementation of posyandu 11 people. The method is carried out using Health Education, Increasing Knowledge and Assistance in the implementation of posyandu. The result of this activity is that there is still a need for follow-up cadre meetings to evaluate the implementation of Posyandu, follow-up on measuring the weighing of toddlers with home visits and follow-up on future implementation. The conclusion is that the discipline of the cadres and toddlers really determines the success of the implementation of the posyandu so that monitoring of the growth and development of toddlers continues to be carried out according to the program that has been prepared.
The Role of Punjab Public School Support Program in Enhancement of Infrastructure Facilities
Authors: Shahid Iqbal Khan  , Dr. Asif Jamil
Published: September 2024

The current study focused on the Infrastructure facilities in PEIMA financially assisted PSSP schools of district Mianwali. Quantitative method and survey designed as applied. The objectives of the study were to observe the Infrastructure facilities in PEIMA-assisted PSSP Schools and to explore weaknesses regarding in these Schools. All the male and female primary schools established in public sector and supported by Punjab Education Initiative Management Authority under PSSP mode in district Mianwali constituted the population of the study. Five research questions and seven hypotheses were formulated. The sample size of the study was 33 principals and 110 teachers. The instrument used was a researcher-designed 5-point Likert scale questionnaire. Test of Validity & Reliability and Pilot testing were done before administering the instrument. This study can help the concerned authorities and implementing partners to consider study findings for recruitment & selection, training & development, performance appraisal, succession planning & infrastructure facilities, and academic achievement of the student and teacher's competencies.
Professional Development with the Yale-New Haven Teachers Institute Model: Impact, Lessons, and Future Prospects
Authors: Haslam M. Bruce , Rouk Üllik
Published: September 2024

Policy Studies Associates explores an approach to teacher professional development based on the innovative Yale-New Haven Teachers’ Institute.
Good Principals Are The Key to Successful Schools: Six Strategies to Prepare More Good Principals
Authors: Bottoms Gene , O'Neill Kathy , Fry Betty , Hill David
Published: September 2024

The Southern Regional Education Board recommends changes in principal training and certification to better cultivate effective leaders.
Distinct Roles of Omental and Latissimus Dorsi Flaps for Blocking Infection Pathways and Protecting A Left Ventricular Assist Device
Authors: Seo Dongkyung , Maeda Taku , Ooka Tomonori , Miura Takahiro , Ishikawa Kosuke , Funayama Emi , Wakasa Satoru , Yamamoto Yuhei
Published: September 2024

Left ventricular assist devices (LVADs) are vital for managing severe heart failure in transplant-ineligible patients, but device exposure and infection pose significant challenges. This report details a 42-year-old man with dilated cardiomyopathy and bronchial asthma who presented with an externalized LVAD following a HeartMate II to HeartMate III exchange due to malfunction. Our tailored surgical strategy treated the LVAD driveline and main body as two distinct parts. This distinction is crucial, as major upstream infections typically originate from the driveline. We applied flaps to these parts for different purposes, maximizing their unique characteristics. The omental flap, chosen for its flexibility, blood supply, and immunological activation upon foreign body contact, covered the driveline. The latissimus dorsi flap provided vascularity and mechanical protection for the LVAD. Additionally, we review the omentum's basic physiological aspects, which are often unfamiliar to clinicians. Infection has not recurred in 6 months postoperatively, demonstrating the approach's effectiveness.
Gambaran Self Regulated Learning Pada Mahasiswa yang Telah Menyelesaikan Skripsi
Authors: Diana Anindita  , Afifah Rahmania  , Dewi Khurun Aini
Published: September 2024

This research aims to determine the description of self-regulated learning that has completed its thesis. The approach used is a qualitative approach with a narrative biography research type. The subjects in this research are the subjects in this research who are participants based on predetermined criteria. The data collection technique used in this research was a semi-structured interview technique. Based on the research results, the picture of self-regulated learning for those who have completed their thesis is reflected in several factors (1) the ability to manage time (2) managing stress and maintaining motivation are important factors in completing the thesis. (3) social support from parents, supervisors and the surrounding environment also plays an important role in motivating students to complete their thesis.
Sinergi Keberlanjutan: Mengungkap Pengaruh Green Compensation and Benefits terhadap Peningkatan Kinerja Karyawan
Authors: Ani Puspitasari  , Dyah Palupiningtyas  , Krisnawati SN
Published: September 2024

This study examines the impact of Green Compensation and Benefits on employee performance and the factors influencing its effectiveness using a mixed-methods approach. Quantitative results show a significant positive relationship between employees' perceptions of these practices and their performance. Qualitative findings reveal key factors influencing effectiveness, including perceived fairness, clear communication, and alignment with personal values. This study contributes to the Green Human Resource Management (GHRM) literature by demonstrating the specific role of Green Compensation and Benefits in promoting pro-environmental behavior and enhancing employee performance. Practical implications for HR managers are emphasized, including the importance of designing fair, transparent, and value-aligned systems. Future research is suggested to investigate the generalizability of findings, employ longitudinal designs, and explore interactions between Green Compensation and Benefits and other GHRM practices. A holistic approach to GHRM can motivate employees' pro-environmental behavior and better achieve organizational sustainability goals.
Analysis of Leadership, Job Satisfaction and Work Motivation on Employee Performance at PT. Maspion Medan
Authors: Nurul Fadilah  , Siswa Pratama
Published: September 2024

The research analysis aims to determine the influence of leadership, job satisfaction, and motivation simultaneously on employee performance. The data analysis technique used is an associative research method with the help of the SPSS version 19 program. This study uses multiple linear regression analysis. The sample in this study was 64 respondents. Primary data collection uses questionnaires. The results of the study showed that the test results for the leadership variable showed a tcount value of 1.819 < ttable of 2.000 with a significant value of 0.017 > 0.05, then the H1 hypothesis was rejected and H0 was accepted, meaning that work leadership did not have a significant effect on employee performance partially. The test results for the job satisfaction variable showed a calculated value of 3.467 > a ttable of 2.000 with a significant value of 0.001 < 0.05, then the H2 hypothesis was accepted and H0 was rejected, meaning that job satisfaction had a positive and partially significant effect on employee performance. The test results for the work motivation variable showed a tcount value of 2.712 > a ttable of 2.000 with a significant value of 0.009 < 0.05, then the H3 hypothesis was accepted and H0 was rejected, meaning that work motivation had a positive and partially significant effect on employee performance. The simultaneous hypothesis test or F test proves that the value of F is calculated as 18.666 which is greater than 2.76 and the significant value of 0.000 is less than 0.05 so that it can be concluded that hypothesis 4 is accepted and hypothesis 0 is rejected so that it can be concluded that work motivation, job satisfaction and leadership have a significant simultaneous effect on employee performance.
In Situ Observation of a Grease Lubricant Film on a Radial Seal by Fluorescence Induced Microscopy
Authors: Horiuchi Takao , Sakai Yohei , Aoyagi Ayako
Published: September 2024

"Industrial robots are operated by servomotors and reduction gears in their joints. Grease lubrication of the reduction gears is important for the delicate movements of the robot, and radial lip seals prevent lubrication leakage. Their operational behavior and sealing mechanism were examined by various authors and therefore is comparatively well understood [1]. Y. Sato observed the lubrication film on the radial lip seal in oil using LIF. However, the lubrication film on the radial lip seal in grease has not been observed [2]. It has been known that microscopic infrared spectroscopy and fluorescence induced microscopy are effective in observing grease behavior in situ. These methods were used due to their special feasibility of observing film thickness and thickener separately [3,4]. Previous verification results suggest that thickener particles are present in the sealing gap and are influencing the performance of the sealing system [5]. In this study, the sliding surfaces of radial lip seals in grease lubrication were observed using a fluorescence induced microscope to verify the grease lubrication and sealing condition. A glass shaft was used to observe the lubrication film on the radial lip seal and the sliding surface was observed from the shaft side. Lithium soap grease was used as the lubricant. Two dyes were used in this grease to observe film thickness and thickener separately. We observed changes in oil film thickness and amount of thickener on the sliding surfaces and discussed the seal lubrication mechanism of the　grease in radial lip seals. [1]E.T.Jagger, Proceedings of the Institution of Mechanical Engineers, Vol171, Issue1, 597-616, 5.1957 [2] S.Yuki (2001) , Kyushu University [3] Y. Hoshi et al., J. Japanese Soc. Tribol. (Toraiborojisuto), 4, 15, 201, 2020 [4] D. Kostal et al., Faculty of Mechanical Engineering, Brno University of Technology, 17, 8, 2022 [5] Sommer M. et al., Tribology International, 103, 574-583, 2016"
A method of direct thermal conditioning of mechanical seal faces: CFD, empirical analysis and testing
Authors:   A. W. Chesterton Company, Kaleshian Joseph , Clark Ray , Azibert Henri , Grimanis Michael
Published: September 2024

"Existing API flush plans provide indirect cooling conditions for mechanical seals not only to enhance the durability of the seal but also contribute to the overall efficiency and performance of the machinery. This concept thermally conditions the mechanical seal faces by circulating cooling or heating fluid directly through a process isolated flow channel formed by a specially designed stationary seal ring and a modified seal gland. Test results under both wet and dry running conditions at low rates of coolant flow exhibited significant performance improvement. An exponential increase in dry running PV limit was experienced throughout extensive testing. In addition, significantly lower wear measurements were consistently recorded. Results obtained from CFD modeling agreed well with both wet (water) and dry (nitrogen gas) process fluid data. An optimized direct thermal conditioning design of the stationary seal ring can be a key factor to: o Eliminate the need to maintain circulating fluid pressure above that of the process. o Increase sustainability with reduced environmental leakage. o Increase efficiency in thermal conditioning of the seal, thereby reducing energy requirements. o Avoid compatibility requirement between the circulating and process fluids. o Reduce life cycle operating costs."
Advancing Lubrication Calculation: A Physics-Informed Neural Network Framework for Transient Effects and Cavitation Phenomena in Reciprocating Seals
Authors: Brumand-Poor Faras , Barlog Florian , Plueckhahn Nils , Thebelt Matteo , Schmitz Katharina
Published: September 2024

"In numerous technical applications, gaining insights into the behavior of tribological systems is crucial for optimizing efficiency and prolonging operational lifespans. Experimental investigations of such systems require considerable costs and time investments, particularly in the field of sealing, notably reciprocating seals for fluid power systems. A more feasible method is the application of elastohydrodynamic lubrication (EHL) simulation models, such as the dynamic description of sealings (DDS) model, which compute friction of seals by the hydrodynamics within the sealing contact according to the Reynolds equation, the seal’s deformation, and the contact mechanics. The main drawback of these distributed parameter simulations is the necessity of a time-intensive resolution process. Given these experimental and computational constraints, machine learning algorithms offer a promising solution. Physics-informed machine learning (PIML) represents a noteworthy advancement in machine learning in tribology, extending traditional models with physics-based rules and enhancing accuracy in determining phenomena such as friction, wear, and lubrication. Within this field, physics-informed neural networks (PINN) emerge as a powerful class of hybrid solvers, combining data-driven and physics-based approaches to solve partial differential equations, the governing equations in EHL simulations. By integrating physical principles into the neural network’s parameter optimization, PINNs provide an accurate and accelerated solution. In this contribution, a PINN framework is applied to predict pressure build-up and cavitation in sealing contacts with housing. The capability of PINNs to determine transient and cavitation effects is thoroughly investigated and validated by the solution of the Reynolds equation obtained by the DDS. The results demonstrate the potential of PINNs for modeling tribological systems and highlight their significance in enhancing computational efficiency."
Additive Manufacturing of Sealing rings: Material Selection and Application Development
Authors: Gerhard Jacqueline , Hoerl Lothar , Bauer Frank
Published: September 2024

"The use of additive manufacturing, particularly 3D printing, for the production of sealing rings is a promising way to speed up the development cycle of new products. Complex geometries that were previously impossible or difficult to produce could now be realized. In addition, this technology allows for the rapid exploration and implementation of geometric variations in sealing profiles, enabling rapid optimization for individual applications. However, this manufacturing process presents new challenges. In order to guarantee the required sealing function, the sealing material must meet specific requirements. These requirements cannot yet be fully met by 3D printable materials, which is why the use and success of additive manufactured seals is still limited. In addition, there are a number of geometric requirements that have to be considered when printing sealing rings. In this study, a comprehensive analysis is performed focusing on the evaluation of various material properties to identify the most suitable materials for effective sealing functionality. Therefore, several elastic 3D printable materials and their printing settings were analyzed for material properties such as compression set, elongation at break, wear rate and chemical resistance. A liquid crystal display printer was used for all tests. Materials that showed optimal performance in these analyses were further tested for their printability. The geometric accuracy and reproducibility of the printed seals were analyzed and the printing parameters were optimized in order to print an optimum seal geometry. Based on the material property studies, the most suitable materials were selected. The first prototypes of additive manufactured rod seals were tested on a test bench and compared to commercially available rod seals. In this way, the functionality of the printed seals and their materials was tested under real conditions and their performance validated."
Cystadenoma of the Tongue: A Case Report
Authors:   Resident physician in otolaryngology, Department of Otolaryngology, Head and Neck Surgery, Ibn Sina University Hospital, Rabat, Morocco, Benkhraba Niema , Houssyn Essakalli ,   Professor of otolaryngology, Department of Otolaryngology, Head and Neck Surgery, Ibn Sina University Hospital, Rabat, Morocco, Ayyad Kawtar ,   Faculty of Medicine and Pharmacy of Rabat, Mohamed V University, Rabat, Morocco
Published: September 2024

Cystadenoma is a rare benign salivary gland neoplasm characterized by a predominantly multicystic growth pattern. The parotid gland is involved in about 45-50% of cystadenoma cases, with the minor glands of the lip and buccal mucosa being the next most common sites. The tongue is rarely involved. We report the case of a 56-year-old patient who presented a cystadenoma of the base of the tongue.
ПРОИЗВОДИТЕЛЬНОСТЬ ТРУДА В СИСТЕМЕ УПРАВЛЕНИЯ КОНКУРЕНТОСПОСОБНОСТЬЮ ПРЕДПРИЯТИЯ (Статья в научном журнале "Управленческий учет"))
Authors: Nikitin N. , Yakovlev G.
Published: September 2024

Рассматриваются вопросы повышения производительности труда в контексте управления детерминантами конкурентоспособности предприятия. Вследствие низкого уровня данного показателя в настоящее время утрачены многие рыночные позиции отечественных предприятий на внутреннем и внешних рынках, и поэтому вполне рассматривается как крупный резерв в вопросах обеспечения глобальной конкурентоспособности. Предлагаемые методики оценки конкурентоспособности предприятия, как правило, основаны на выделении различных составляющих и групп факторов, анализом каждой из них и последующим построением по той или иной зависимости интегрированной оценки включает показатели производительности труда. Показано, что производительность труда, и шире – общая эффективность производственно-сбытовой деятельности являются фундаментов для обеспечения высокой конкурентоспособности продукции и ее производителя, особенно в режиме современной технологической гонки, когда ведущие фирмы достигают высокой конкурентоспособности, разрабатывая высокопроизводительные методы организации труда. Перспективы дальнейших исследований в этой области связаны с разработкой новых подходов к повышению производительности труда, которые будут учитывать особенности организации производства на промышленном предприятии, и нацеливать на дальнейшие меры по укреплению завоеванных рыночных позиций.
HUBUNGAN TINGKAT PENGETAHUAN PATIENT SAFETY TERHADAP SIKAP PATIENT SAFETY PADA TENAGA KESEHATAN DI RUANG OPERASI RS PKU MUHAMMADIYAH GAMPING
Authors: Firmansyah Riyan , Tri Hapsari Listyaningrum
Published: September 2024

Keselamatan pasien (patient safety) adalah dasar dari pelayanan kesehatan yang baik. Keselamatan pasien juga menjadi salah satu indikator dalam menilai akreditas institusi pelayanan kesehatan, oleh karena itu keselamatan pasien sangat penting. Namun, jika ditinjau dari insiden keselamatan pasien, keselamatan pasien di berbagai tingkat pelayanan kesehatan masih buruk, baik secara global maupun nasional. Penelitian ini untuk mengetahui Hubungan Tingkat Pengetahuan Patient Safety Terhadap Sikap Patient Safety Pada Tenaga Kesehatan di Ruang Operasi RS PKU Muhammadiyah Gamping.  Penelitian ini menggunakan metode kuantitatif dengan desain korelasi, yaitu penelitian hubungan antara dua variabel. Teknik pengambilan sampel menggunakan total sampling, berjumlah 30 responden. Alat yang digunakan dalam pengumpulan data berupa kuesioner analisis data menggunakan uji statistik spearman rank. Penelitian ini menunjukan hasil uji korelasi yang positif hasil uji korelasi yang telah dilakukan, diketahui bahwa nilai signifikansi atau Sig (2-tailed) ialah sebesar 0,000< 0,05 dengan nilai koefisien sebesar 0.711**. Ada hubungan pengetahuan patient safety dengan sikap patient safety pada tenaga kesehatan di ruang operasi RS PKU Muhammadiyah Gamping.
HÜQUQ YARADICILIĞI PROSESİNDƏ VƏ HÜQUQ TƏTBİQETMƏDƏ HÜQUQ MƏDƏNİYYƏTİ VƏ HÜQUQ DÜŞÜNCƏSİNİN ROLU
Authors:   Police Academy of the Ministry of Internal Affairs of the Republic of Azerbaijan, NƏSİROV Babək
Published: September 2024

Legal awareness and legal culture is a fundamental category of legal theory. Without a high legal culture it is not possible to build a democratic, rule-of-law state. In jurisprudence, there is a pluralism of opinions regarding the concept of legal culture and legal consciousness. We also agree with the existing opinion that legal culture characterizes the qualitative side of the system of legal phenomena of society and directly depends on the legal consciousness of society. This article examines the features of legal consciousness and legal culture of internal affairs bodies and provides characteristics of structural reforms in the activities of this institution of state power.
ODLU VƏ YA SOYUQ SİLAH, HƏMÇİNİN SİLAH QİSMİNDƏ ƏŞYADAN İSTİFADƏ ETMƏKLƏ TÖRƏDİLƏN QULDURLUQ VƏ QƏSDƏN ADAM ÖLDÜRMƏ CİNAYƏTLƏRİN TÖVSİFİ VƏ CƏZA TƏYİNİ ZAMANI YARANAN PROBLEMLƏR
Authors:   Police Academy of the Ministry of Internal Affairs of the Republic of Azerbaijan, YUSİFOV Rəşid
Published: September 2024

Summarizing, I would like to point out that problems appear when courts charge and sentence criminals who commit robbery or murder using a firearm, cold weapon or an object as a weapon because the legal norms about these crimes don’t cover these actions. The legal norms define a punishment for owning and carrying a cold weapon, but they don’t cover the act of using it. Also there are complications about defining murders that are committed with the intention of greed. That is why I think the articles of the Criminal Code of Azerbaijan Republic about these crimes should be improved and cover the actions of using a cold weapon or an object as a weapon and remove the complications that appear while defining the crimes of murder with the intention of greed.
Manajemen Bimbingan Dan Konseling Dalam Meningkatkan Kedisiplinan Siswa Kelas XI Di SMK Terpadu Rangganis
Authors: Sopi Fauziah
Published: September 2024

Penelitian ini bertujuan untuk menganalisis peran manajemen bimbingan dan konseling dalam meningkatkan kedisiplinan siswa kelas XI di SMK Terpadu Rangganis. Latar belakang penelitian ini adalah rendahnya mutu pendidikan dan daya saing yang masih menjadi perhatian, sehingga diperlukan pendekatan pembelajaran yang lebih efektif dan terarah. Untuk itu, manajemen layanan bimbingan dan konseling menjadi salah satu solusi untuk meningkatkan kualitas belajar siswa. Penelitian ini menggunakan metode deskriptif kualitatif, dengan data dikumpulkan melalui wawancara, observasi, dan dokumentasi.  Hasil penelitian menunjukkan bahwa perencanaan bimbingan dan konseling melibatkan penyusunan program kerja yang mencakup strategi, tujuan, struktur, dan mekanisme yang terarah. Dalam pelaksanaan, siswa yang bermasalah mendapatkan layanan bimbingan dari guru BK setelah adanya laporan dari guru atau siswa lain. Siswa kemudian diberi arahan serta diperingatkan untuk tidak mengulangi pelanggaran yang sama, dengan komitmen melalui surat pernyataan. Faktor pendukung yang ditemukan adalah kerja sama antara guru BK, wali kelas, siswa, dan orang tua, serta keterbukaan siswa terhadap guru BK. Sementara itu, faktor penghambat termasuk jarak rumah siswa yang jauh dari sekolah, rendahnya motivasi orang tua dalam menegakkan tata tertib sekolah, dan pengaruh lingkungan yang kurang kondusif. Kesimpulannya, manajemen bimbingan dan konseling di SMK Terpadu Rangganis berhasil membantu meningkatkan kedisiplinan siswa melalui perencanaan dan pelaksanaan program yang matang. Meski terdapat kendala eksternal dan internal, pendekatan yang terarah dan dukungan dari berbagai pihak dapat membantu siswa lebih disiplin dan meningkatkan prestasi akademik.
Self-Consciousness, Couple’s Satisfaction, Maternal-Fetal Attachment and Psychological Distress in Women during Pregnancy
Authors: Shawal Shaud  , Masha Asad Khan  , Tahira Jibeen 
Published: September 2024

Identification of psychological distress, especially in first time pregnant women, is fundamental due to its negative impact on physical and mental health of the mother and the child to be born. The purpose of the present study was to find out the relationship between self-consciousness, couple’s satisfaction, maternal-fetal attachment and psychological distress among first-time pregnant women. The sample (N=100) included first time pregnant women with an age range of 18-37 years (M= 26.23; SD= 3.36) from different hospitals of Lahore, Pakistan. Participants were administered Self Consciousness Scale; The Couple’s Satisfaction Index; Cranley’s Maternal- Fetal Attachment Scale; Kessler Psychological Distress Scale and Demographic Form. The Correlation research design was used. The results of regression analyses revealed that private self-consciousness and social anxiety were positive predictors of psychological distress whereas, public self-consciousness and couple satisfaction emerged to be negative predictors of psychological distress.  The current findings have clear implications for mental health practitioners, researchers, and social workers wishing to identify and develop social and clinical therapeutic interventions which enhance positive well-being and decrease psychological distress in pregnant women.