La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica最新文献

{"title":"Luminescence Characteristics and Energy Transfer of Tm3+-Doped Calcium Fluoroborate Glasses for Fiber Amplifiers","authors":"","doi":"10.46632/rne/1/2/6","DOIUrl":"https://doi.org/10.46632/rne/1/2/6","url":null,"abstract":"The conventional melt quenching method was employed to fabricate calcium fluoroborate glasses doped with Tm2O3 (CFBTm). Optical absorption and photoluminescence spectra were recorded in the UV, Vis, and NIR wavelength ranges. Judd-Ofelt (J-O) and free-ion parameters were computed based on the absorption band intensities and energy level positions. Utilizing the J-O parameters, various radiative parameters were determined for distinct excited states of Tm3+ ions in CFB glasses. Stimulated emission cross-sections (se) and effective bandwidths (Dleff) were calculated for the observed emission bands. The increase in Tm2O3 concentration resulted in an augmentation of emission peak intensities in the visible range, followed by a decline at higher concentrations. The quenching of emission intensities was attributed to energy transfer through cross-relaxation mechanisms. The NIR emission spectrum, excited by an 808 nm laser diode (LD), exhibited a peak at 1.47 mm corresponding to the 3H4-3F4 transition, with the intensity of the NIR emission peak increasing with the concentration of Tm2O3. Furthermore, Beer-Lambert and McCumber theories were applied to assess the absorption and emission cross-sections for the prominent 3F4–3H6 transition at the 1.82 mm emission wavelength.","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"6 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136228667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of Laser Material Potential in Lead Tungsten Tellurite Glasses","authors":"","doi":"10.46632/mc/1/2/13","DOIUrl":"https://doi.org/10.46632/mc/1/2/13","url":null,"abstract":"Lead tungsten tellurite (LTT) glasses, incorporating varying concentrations of Dy3+ions, were synthesized and subjected to comprehensive characterization encompassing optical absorption, photoluminescence, and decay measurements. X-ray diffraction (XRD) analysis affirmed the amorphous nature of the LTT host. Employing the Judd–Ofelt (J–O) theory, three phenomenological intensity parameters Ωλ(λ = 2, 4, 6) were derived from absorption spectral intensities. The heightened sensitivity of the 6H15/2→6F11/2 transition, determined by the magnitude of the Ω2 parameter, was explored. Radiative properties, including spontaneous transition probabilities (AR), fluorescence branching ratios (βR), and radiative lifetimes (τR), were determined using the J–O intensity parameters. The impact of Dy3+ion concen-tration on the emission intensities of 4F9/2→6HJﹶ (Jﹶ = 15/2, 13/2, 11/2, and 9/2) transitions was also investigated and reported.","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"5 50","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136228669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Growth of Capture Fisheries in Pamekasan Regency, Madura Island","authors":"","doi":"10.46632/ese/1/2/5","DOIUrl":"https://doi.org/10.46632/ese/1/2/5","url":null,"abstract":"\"Groupers, snappers, emperors, and fusiliers are important reef fisheries both economically and ecologically, particularly in Indonesia and the Asian region. However, in some areas, they are still being overfished, and their stocks appear to be declining as a result.\" As a result, it is critical to comprehend their viewpoint. The purpose of this research is to evaluate the fishery output of some reef fish species in “Indonesia's Fisheries Management Area (FMA) 715” based on life history and spawning potential. Pamekasan Regency should implement an effective capture fisheries strategy to create jobs, ensure food security, and promote economic development. Pamekasan Regency is located along the shore of the Indonesian island of Mathura. The goal of this study was to design a capture fisheries development strategy for Pamegasan Regency. The SPSS matrix analysis methods were employed. This study drew on a wide range of data sources, including statistical data, surveys, and interviews. Key individuals were interviewed, and 30 fishermen were polled. Overfishing was discovered in the waters for Phamegasan Regency, according to the research. Diversification of fishermen owned by families enterprises, establishment of fish auction locations, oversight of fishing gear, expansion of the fish processing industry, warming mitigation, fishing resource studies, extension, and coastal community expansion are some of the capture fisheries growth methods we advocate. These strategies' implementation can be used as a subsequent fisheries strategy. The Pamekasan Regency Government should perform more intensive training and exercises to improve the abilities of salt farmers in Pademavu Sub-District, Pamekasan Regency, through the Fishing Service and other related agencies. The goal of this study's result analysis is to acquire an exhaustive overview of the topic without looking to the specific elements of the topic of research. For the statistical analysis, we used SPSS software version 16.this analysised Cronbach's alpha value for the model is 0.999.","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"202 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135927872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of a Depression Levels using the DEMATEL Method","authors":"","doi":"10.46632/rmc/4/2/21","DOIUrl":"https://doi.org/10.46632/rmc/4/2/21","url":null,"abstract":"Depression can range from mild, moderate, temporary sad episodes to persistent, severe depression. Major depression, also referred to as major depressive disorder, is a more severe kind of depressive disorder called clinical depression. Depression, psychosis, and perinatal or postnatal depression are examples of major depressive disorder types. You could have a light, moderate, or severe sadness diagnosis. If you have any of the following symptoms, your mental health expert may determine that you are depressed: most of the time. In 82 sad patients, reduced hippocampal brain activity was seen according to an fMRI study. Patients who experience negative emotion or depression may have worse cognitive processing due to decreased grey matter and lower functional activity in the hippocampus. In the DSM-IV, severe mental illness (psychotic depression) involves depression, atypical characteristics, decreolization, periodic pattern (seasonal affective disorder), especially postpartum onset. Psychotic depression can occur alone or with psychosis. \"At its most basic level, it's what some people have referred to as 'the blues' - the sensation of being unfulfilled in life.\" When less severe depressive symptoms remain for at least two years, a condition known as chronic depressive disorder, or mild depression, may apply to low-grade depression. A mild but persistent form of depression is called dysthymia. Persistent depression disorder is another name for it. Major depression is occasionally a symptom of this illness. It can be an early sign of depression One of the above clinical conditions (Wilson and many others. Individuals with Alzheimer's disease see a steady decrease in their ability to handle stress. Gartner (1997) put up an intermediary theory for employing individualized music to calm the crowd that takes these components into account. According to the notion, music stimulates the memory of previous events and reveals the prospect of memories connected to pleasant emotions. a calming impact that lessens or calms frantic actions. Failure to mention a depressed mood to one's doctor is relatively typical among Chinese people (Lai & Good 2005; Yeung et al. 2004). Chinese people with depression's views on their health A person with clinically severe depression exhibits a variety of symptoms that affect their performance, including chronic melancholy, a low mood, or a loss of interest in previously enjoyed activities, according to one study that concentrated on their physical symptoms. Yet, a person with clinically severe depression also exhibits a number of additional depressive symptoms that impair their ability to go about their daily lives, such as chronic sorrow, a low mood, or a lack of enthusiasm for tasks they once found enjoyable. DEMATEL (Decision Making Trial and Evaluation Laboratory) They are divided into analysis using the Nonmetal mineral product industry, General equipment manufacturing, Mining and washing of coal, Textile industry, Foo","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136295625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Krishnagiri District, Tamil Nadu, Groundwater Quality Status in relation to MCDM System Pollution","authors":"","doi":"10.46632/aae/1/2/1","DOIUrl":"https://doi.org/10.46632/aae/1/2/1","url":null,"abstract":"The essence of life, water, is a fundamental natural resource. The availability and quality of groundwater have been impacted by India's growing urbanisation. The Krishnagiri groundwater has been reduced by 60%, according to the Central Ground Water Board, and additional research could result in salt water intrusion. In order to evaluate the quality of the groundwater in Krishnagiri City, this study was conducted. The appropriateness of groundwater for industrial, household, agricultural, and drinking needs depends in large part on its quality. Evaluation of the suitability of the district of Krishnagiri's northern and eastern groundwater for irrigation and drinking. In the study region, samples of groundwater were taken. By assessing physicochemical factors like pH, TDS, TH, sulphate, chloride, calcium, and magnesium, groundwater quality has been assessed. MCDM is used to evaluate the water quality, and the results show that it is generally suitable for irrigation in most models. The alternative in this method has been used by the Krishnagiri Taluk, Pochampalli Taluk, Uthangarai Taluk, Hosur Taluk, Denkanikottai Taluk, and Bargur Taluk. The evaluation parameters are pH, TDS, TH, Sulphate, Chloride, Calcium, and Magnesium. Six randomly chosen locations were chosen from the six mandals that make up Krishnagiri town, and 18 groundwater samples were taken and their physicochemical characteristics were examined. The algorithm for selecting priorities is created using the well-known ARAS decision-making process. Since Krishnagiri Taluk is ranked top, the district's water quality is the best in the region. Most of the water quality assessment parameters, with the exception of a few, revealed parameters that were within the acceptable standard values of the Bureau of Indian Standards (BIS). None of the metrics exceeded the BIS-recommended allowed levels for water quality assessment, with the exception of pH at one point in Zone 1. These factors determine whether groundwater is acceptable for irrigation and drinking.","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135735251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and Analysis of the Braking System to Improve Heat Dissipation by Utilizing the Multi-Material Concept","authors":"","doi":"10.46632/ese/2/2/11","DOIUrl":"https://doi.org/10.46632/ese/2/2/11","url":null,"abstract":"A drum brake consists of a rotating cylinder that is pressed against by a set of shoes or pads, which creates friction. Cast iron is the typical material for this. When the brakes are applied, friction develops on the drum's inner surface, slowing or stopping the wheel's rotation and bringing the vehicle to a halt. The development of heat, especially in the braking systems of automobiles, is the primary issue that must be dealt with. Brake drums for cars are typically constructed of cast iron. Multi-material brake drums, such as those with a Nickel alloy coating over cast iron, have replaced traditional brake drums. The behavior of these two setups needs to be investigated. Brake drum modeling is being done in CREO, and ANSYS will be used for structural and thermal analysis. Stress, strain, and heat dissipation % are just few of the factors we'll be comparing. Additionally, we have conducted nickel coating experiments on cast iron using an electroplating procedure, varying the layer thickness from 10 to 15 to 25 microns.","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136280032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"WQM Imperative Approach to Welding Process in the Recent Innovative Effects of Skill up Gradation and Initiate to Enhance the Employment Through Professional Skills","authors":"","doi":"10.46632/jame/2/2/7","DOIUrl":"https://doi.org/10.46632/jame/2/2/7","url":null,"abstract":"The Defense manufacturing industry and marine sectors is a strategically important sector in India. The observation determined the extent in which up-skilling fabrication welding in the craftsman’s training institute for employment in the 21st century workplace. The findings of this data study showed that responded well up-skilling equip fabrication welding for upcoming employment. A general lack of weld knowledge in metal joining technology, amongst the concerned personnel, can lead not only to uneconomic production but also to catastrophic failure of structure welders/ fabricators /welding engineer to meet demands of the manufacturing industry facing global challenges. The research s therefore recommends that up-skilling of fabrication welding trade craftsman should be permanent in training institutes to have employable skill in the present day defense manufacturing with marine sectors. Weld Quality Management (WQM) - new System should take the necessary actions in furthering the need to build qualified personnel’s and meet the demands of the global challenges faced by the welding industry. This research, affords a building insight of the Defense manufacturing & marine sectors and its success and “welding in the world”.","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89644388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identifying and Mitigating Harmful Comments on Social Networking Sites using NLP, Machine Learning, and the EDAS Method","authors":"","doi":"10.46632/cllrm/3/2/9","DOIUrl":"https://doi.org/10.46632/cllrm/3/2/9","url":null,"abstract":"This short investigates the assessment of online education and its usefulness as a learning instrument. The research looks on the many assessment approaches that are used to measure the results and effect of e-learning programmers. It investigates the role of student satisfaction, knowledge acquisition, and skill development in etermining the effectiveness of e-learning. The abstract discusses the difficulties and constraints in measuring e-learning, as well as the necessity for standardized evaluation frameworks. Finally, the goal of this research is to give insights into the assessment process, so assisting educators and poli-cymakers in making informed judgements about integrating e-learning into educational institutions. Introduction: The introduc-tion gives an outline of e-learning assessment and its significance in current education. E-learning has gained popularity as an adaptable and readily available learning method, but its performance must be assessed to ensure optimal results. The purpose of this introduction is to emphasize the need of evaluating e-learning programmers to identify their influence on student happi-ness, acquisition of knowledge, and skill development. It also highlights the need of a standardized assessment framework in facilitating accurate and trustworthy evaluations. Educators and policymakers may make more informed judgements to increase the efficacy of e-learning projects if they understand the evaluation process. Research significance: The assessment of e-learning research is critical in the realm of education. For starters, it allows educators to assess the efficacy of e-learning pro-grammers in reaching targeted learning objectives. Second, it sheds light on how e-learning affects student satisfaction and engagement. Third, this esearch identifies opportunities for improvement in the design and delivery of e-learning. It also con-tributes to the establishment of a standardized assessment system, which promotes comparability and dependability across various e-learning programmers. Finally, the significance of this research resides in its capacity to increase the quality and effi-cacy of e-learning practices, resulting in better educational experiences for students. Method: The Grey Relationship Analysis (GRA) approach is a decision-making tool designed to analyses and assess connections between variables in circumstances when information is ambiguous or inadequate. It is especially beneficial when working with systems with insufficient data or dynamic and complicated interactions. GRA use grey numbers to show the data's uncertainty and incompleteness, enabling for more exact analysis. By generating grey relational grade, the approach assists decision makers to arrive at informed choices by identifying the most significant elements or factors in a system. GRA can be used in a variety of industries, including banking, technology, and management, where there is ambiguous or partial information. Alternative paramet","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"153 7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83177257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Adaptive Subgradient Methods for Leadership And Development","authors":"","doi":"10.46632/rcm/4/2/13","DOIUrl":"https://doi.org/10.46632/rcm/4/2/13","url":null,"abstract":"Leading businesses now include environmental sustainability into their organisational strategy. A proactive, advantage-driven strategy like this necessitates change at all levels. This article outlines the best practises used by businesses that have successfully included environmental considerations into their strategicdaily operations and planning. The critical and obvious lessons that these companies must now apply are: Businesses that continue to use band-aids and short-term solutions to address environmental challenges will eventually be at a competitive disadvantage.. The idea for the teacher leaders was inspired by their involvement in SCI-LINK, a programme that started as a way to connect science teachers and environmental scientists but over the course of six years expanded to include a variety of activities and a learning community for teachers, scientists, and science educators. Four components of SCI-LINK fostered and supported the development of leaders. The implications for the growth of leadership in scientific education and other fields are examined. improving leadership. It is both dependent on other people's leadership and self-sustaining.. No one person, group, or nation can exercise ultimate domination on its own in today's complex globe. A accurate representation of how much leadership is now used is distributed leadership","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135571844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Comprehensive Analysis of Domestic Building Energy Efficiency Value Using VIKOR Method","authors":"","doi":"10.46632/bmes/1/2/1","DOIUrl":"https://doi.org/10.46632/bmes/1/2/1","url":null,"abstract":"\"What is a room's energy efficiency?\" A facility's energy efficiency is determined by comparing its power usage per square meter to the energy demand standards set for that particular type of structure in a given climate. To evaluate the floor space of each room on each floor of your building in the warmest areas, measure the area of each room precisely and then sum those measurements to get the overall floor area. The more precise the measurement, the more accurately your energy waste will be displayed as oil used per square meter. The research significance is fairly long-term energy and expense savings. Buildings that use less energy and water also have lower maintenance expenses. They also have a lower total social impact since energy-efficient structures that do not use natural gas produce fewer greenhouse gas emissions. House efficiency, in general, refers to how effectively resources like electricity and freshwater are used to operate systems and equipment placed or used in the building, as well as to provide services like heating, cooling, and lighting. Alternative factors to consider include occupant density, lighting loads, computer equipment, and additional equipment. The assessment options are open plan offices, small offices, laboratories, open computer labs, meeting rooms, and circulation. The results based on circulation show that it has the highest rank, while the laboratories have the lowest rank. The value of the dataset for building energy efficiency in the VIKOR method shows that the circulation has the top ranking.","PeriodicalId":78400,"journal":{"name":"La Ricerca scientifica. 2. ser., pt. 2: Rendiconti. Sezione B: Biologica","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136369609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}