Digital Commons Network^™

Apply Cluster Analysis To Improve Interpretation Of Ert Images, Yin-Chun Hung, Yu-Xiang Zhao

Journal of Marine Science and Technology–Taiwan

The completeness and accuracy of collecting and investigating geotechnical and marine engineering geological conditions are key to the success or failure of engineering development. Traditional marine engineering and geotechnical surveys often require the assistance of geophysical methods to fully present the geological conditions. Electrical Resistivity Tomography (ERT) is an advanced geophysical method that produces accurate cross-sections of underground resistivity. Although 2D ERT has been widely used in geotechnical engineering and marine engineering, many uncertainties remain hidden behind the vivid and colorful resistivity profiles. To apply 2D ERT profiles effectively in geotechnical and marine geological surveys and monitoring, it is essential …

Geo-Chemical Fractionations Of Phosphorus In Sediments Of Thuy Trieu Lagoon And Cam Ranh Bay, Vietnam, Phu H. Le, Ngoc H. Pham, Dung T. Le, Tuan Linh T. Vo, Binh V. Tran, The V. Ho

Journal of Marine Science and Technology–Taiwan

The geochemical fractions of phosphorus (P) and its bioavailability in sediments of Thuy Trieu Lagoon and Cam Ranh Bay were investigated. Twenty-four surface sediment samples were collected in the dry season (Jun 2024) and the rainy season (Oct 2024). A sequential extraction procedure was applied to identify the phosphorus (P) fractions in sediments, including Exchangeable P (Ex-P), iron-bound P (Fe-P), aluminum-bound P (Al-P), calcium-bound P (Ca-P), and residual P (Res-P). Total P (TP) ranged from 214.9 to 2365.2 µg.g^-1, and the Ca-P fraction was the dominant chemical form in sediments. Based on the results of Pearson correlation and …

Beyond Basic Needs : Exploring The Antecedents And Outcomes Of Seafarers’ Well-Being, Chian Liou, Cheng Kuo Sung, Kimberly Hsiu-Chin Lee, Jiunn Liang Guo

Journal of Marine Science and Technology–Taiwan

Given the importance of seafarers’ mental health and the limited literature on this topic, this study aims to explore the causes and consequences of seafarers’ well-being. A questionnaire survey was conducted, and the data were analyzed using structural equation modeling and hierarchical regression analysis. Consistent with the predictions of the happy and productive worker thesis, this study found that the more satisfied the seafarers are with the shipping company’s seafarer policy, the higher their well-being tends to be, leading to a more positive work attitude. Interestingly, the study found that a company effect is significantly present in this correlation; that …

Empowering Shipping Management Competence With Artificial Intelligence: A Strategic Approach To External Environmental Volatility, Yu-Kai Huang, Cheng-Hsien Hsieh, Chi-Chang Lin, Yu-Tzu Chang, Yu-Chao Cheng

Journal of Marine Science and Technology–Taiwan

The shipping industry is undergoing significant transformation with advancements in artificial intelligence (AI), yet challenges remain in effectively adopting AI technologies. This study addresses the key concerns influencing AI adoption in shipping management. Using the Analytic Hierarchy Process (AHP) integrated with the PEST model, an evaluation framework was developed to assess AI applications in shipping companies. Based on expert input collected through the Delphi method, four constructs and twelve criteria were identified, with the 'Technological' dimension being the most critical. 'Robustness,' 'Costs,' and 'Data quality' emerged as the top factors affecting AI implementation. The framework offers practical insights for shipping …

Comparative Evaluation Of Deep Learning Models For Predicting Skipjack Tuna (Katsuwonus Pelamis) Catch Based On Climatic Factors, Peng Ding, Hui Xu, Xin Zhuang, Yan-Lun Wu, Fengyuan Shen, Yujie Xiao, Jiensi Zhulidezi, Wei-Yu Lee

Journal of Marine Science and Technology–Taiwan

To investigate the impact of climatic factors on skipjack tuna catch, this study collected and analyzed annual global skipjack tuna catch data spanning from 1960 to 2021, along with corresponding monthly data for the key indicator of El Nino events (Niño1+2, Niño3, Niño4, and Niño3.4), the Southern Oscillation Index (SOI), the North Atlantic Oscillation (NAO), the Pacific Decadal Oscillation (PDO), the North Pacific Index (NPI), and the global sea-air temperature anomaly index (dT). The optimal lag years of climatic factors were identified by selecting the maximum absolute cross- correlation coefficients. Subsequently, the predictive performance of LSTM, BiLSTM, and CNN-BiLSTM models …

Advanced Navigational Risk Assessment For Lianyungang Jurisdictional Waters Using Bayesian Network And Risk Matrix, Tie Xu, Kun Xiong, Qinyou Hu

Journal of Marine Science and Technology–Taiwan

In response to the increasingly dense navigation and frequent accidents involving commercial and fishing vessels in the waters under the jurisdiction of Lianyungang in recent years, which have led to complex and severe navigational risk issues, this study proposes a quantitative analysis of navigational risks in the waters of Lianyungang jurisdiction using a combined Bayesian Network (BN) and Risk Matrix Method (LS) navigational risk assessment model. Risk factors are extracted based on accident data and literature review, correlation analysis is utilized to identify the dependency relationships among risk factors, and the findings are integrated with expert inquiry as prior information …

Numerical Analysis Of Helical Piles In Cohesionless Soil Subjected To Monotonic And Cyclic Lateral Loads, Kai-Jun Chong, Yun-Chi Huang, Yu-Shu Kuo

Journal of Marine Science and Technology–Taiwan

This study investigates the lateral load behavior of helical piles used as anchor foundations for nearshore floating solar photovoltaic systems. A finite element model (FEM) incorporating user-defined Stiffness Degradation Method (SDM) within PLAXIS 3D is developed to simulate the pile-soil interaction under monotonic and cyclic lateral load. Parametric studies were conducted to examine the effects of key design factors, including helical plate diameter, helical plate depth, pile diameter and soil density, on the lateral bearing capacity and deflection. The results indicate that an increase in the pile diameter is the most effective strategy for enhancing lateral resistance, whereas placing the …

Effects Of Train-Ship Direct Transshipment On Container Terminal Operational Efficiency And Energy Consumption: From A Scheduling Perspective, Yiying Du, Yaozong Wang, Zhongzhen Yang

Journal of Marine Science and Technology–Taiwan

On-dock rail integration positions terminals as critical hubs for rail-sea transshipment, which necessitates efficient scheduling for rapid container transfers. Given the strict schedules and batch arrival of railway containers, in this study, we propose a train-ship direct transshipment (TSDT) mode to eliminate nonproductive yard rehandling. To comprehensively evaluate the impact of the proposed mode on terminal handling operations, we developed an operational scheduling model for the entire process of the simultaneous loading of yard containers and railway-handling area (RHA) containers. The model comprises two stages. Stage 1 models the pre-reshuffling operations in the yard before loading, and Stage 2 implements …

Key Success Factors In Using The Lifting Method To Construct A Steel Bridge Pylon, Ming-Chao Su, Hui-Ping Tserng

Journal of Marine Science and Technology–Taiwan

Constructing the inclined steel pylon of cable-stayed bridges is challenging because of the pylon’s height, spatial limitations, and safety concerns. To address these challenges, this study developed a modular lifting method that can enhance the efficiency and precision of pylon construction. The proposed method involves using rotation jigs to temporarily assemble the pylon, horizontal positioning on temporary supports, and synchronized lifting through computer-controlled hydraulic systems. Field implementation on a large-span bridge project revealed that compared with the traditional method, the proposed method resulted in higher welding quality, lower risks associated with great-height operations, and a shorter on-site assembly time. The …

Deep Learning-Based Model For Automated Prediction Of Coastal Changes: A Robust Approach To Environmental Forecasting, Tsair-Fwu Lee, Chu-Ho Chang, Chin-Shiuh Shieh, Chih-Hsien Wu, Jen-Chung Shao, Chien-Liang Chiu

Journal of Marine Science and Technology–Taiwan

The coastline stands as a critical domain encompassing industry and the environment. The escalating global warming, leading to elevated sea levels and intensified wave-current interactions, has given rise to substantial coastal erosion. This predicament, in conjunction with excessive human development and Taiwan's coastal areas' extreme climatic impact, accentuates the perceptibility of coastal beach alterations. As a result, coastal erosion has emerged as a pressing issue necessitating resolution. Traditional methodologies for assessing coastline changes have conventionally relied on manual measurements. However, owing to the fluctuating distance of coastlines, influenced by tidal patterns, extended measurement processes over several months are susceptible to …

Hydrographic Influences On Seasonal Variations In Zooplankton Communities Of Taiwan Bank (Southern Taiwan Strait), Bor-Shyr Chen, Frank Paolo Jay B. Albarico, Mark Ariel D. Malto, Aiza D. Gabriel, Chiu-Wen Chen, Cheng-Di Dong

Journal of Marine Science and Technology–Taiwan

Understanding the factors that control ocean productivity is crucial in fisheries management. Taiwan Bank, located between the Taiwan Strait and the South China Sea, is a highly productive ecosystem due to upwelling events. The total zooplankton community (holozooplankton and merozooplankton), diversity, seasonal changes, and environmental drivers remain unexplored despite its productivity. This study evaluates the seasonal and vertical environmental dynamics in the Taiwan Bank and their impacts on the zooplankton community structure. We collected zooplankton and basic water parameters in March, July, and September 2017 at 5, 25, and 50 meters. We recorded significant seasonal changes in zooplankton composition and …

Model Performance For Predicting Trends And Analyzing The Impacts Of Sea Surface Temperature Changes In The Gulf Of Thailand, Tanatpong Udomchaipitak, Nathaphon Boonnam

Journal of Marine Science and Technology–Taiwan

This study focuses on assessing and improving the predictive performance of sea surface temperature (SST) in the Gulf of Thailand under unique environmental challenges. Data from the Hybrid Coordinate Ocean Model (HYCOM) were utilized, covering the period from July 1994 to June 2024 at depths ranging from 0 to 30 meters. After cleaning the data using the Interquartile Range (IQR) method, the processed dataset was tested using four models: Recurrent Neural Network (RNN) architectures, including Long Short-Term Memory (LSTM) and Gated Recurrent Unit (GRU), as well as Convolutional Neural Networks (CNNs). Model performance was enhanced by tuning the parameters over …

Validation And Simulation Of The Bare Steel Foundation Pile Cathodic Corrosion Protection System, Chuang Ching, Yao-Hung Fan, Hung-Hua Sheu, Ming-Yuan Lin, Tsung-Feng Wu, Tai-Wen Hsue, Hung-Bin Lee

Journal of Marine Science and Technology–Taiwan

This study conducted validation and simulation analysis of the cathodic corrosion protection system for bare steel foundation piles in marine environments, focusing on its protective performance and long-term stability. The study selected S355J2H high-strength low-alloy structural steel as the pile material and employed the sacrificial anode cathodic protection method, with aluminum alloy used as the anode material. During the research process, field experiments and BEASY CP software simulations were used to track and compare corrosion potential and current density over an extended period, while also evaluating the impact of marine biofouling on the cathodic protection system. Results showed that after …

线索广告设计对留资意愿的影响, Chuanbing Fang

Lingnan Theses (Doctoral degree)

互联网营销已逐渐成为主流营销方式，线索潜客广告也随之诞生, 线索潜客广告相较普通广告，能减少转化步骤、降低转化成本， 百度把这种广告产品形式命名为线索广告、 Facebook称 Lead Ad、Google 称 lead form、TIKTOK 称 Lead Generation。车企是典型看 Leads获得质量的行业，是这种产品形式的典型应用行业，因此挑选了汽车行业做研究，随着社会大环境经济下滑，车企营销预算越来越紧张，好钢需要用到刀刃上，需要获得多，而准的线索，线索广告则是满足这类需求的典型产品，线索营销已逐渐被行业重视，有较大研究意义。本文采用了实验法、问卷法、访谈法研究方法，收集527份有效问卷，研究对象均为近12个月有购车计划的高购买意向用户，深访了8名用户做深度信息挖掘与补充。本文揭示了在线索营销中激励方式直接影响留资意愿；激励方式通过信任为部分中介影响留资意愿；感知隐私保护通过信任起着调节作用共同影响留资意愿；不同的激励方式对留资意愿有不同的影响，用户更喜欢直接、对当下实用的满减优惠激励，男性群体对激励方式更敏感，对留资意愿正向影响更大。填写方式通过技术安全感知、信息卷入度对留资意愿起部分中介作用、且中介效应占比较大；在填写方式的四组交叉子实验中，对留资意愿的正向影响均是填写字段少优于字段多；在用户有安全感的情况下，用户均喜欢体验更好、更省力的半自动预填写方式。用户在填写留资意愿表单的过程中，激励方式与填写方式做比较，用户更关注填写方式，即更关注填写体验。从多个维度揭示了对留资意愿的多路径影响机制，期待本研究能为线索营销、做出理论贡献和实践指导意义，帮用户省力，帮企业省钱。

Internet marketing has increasingly become the mainstream method for reaching consumers, leading to the development of lead generation advertising. Unlike traditional advertising, lead generation advertising reduces both conversion steps and costs. Various platforms have their own terminology for this product: Baidu calls it lead advertising, Facebook refers to it as Lead Ads, Google names it lead form, and TikTok terms it Lead Generation. Amid economic downturns and industry challenges, marketing budgets are tightening, necessitating more accurate lead acquisition. Lead advertising is well-suited to meet this demand, making …

Racial-Ethnic Differences In The Associations Between Functional Disabilities And Subsequent Depression Among Community-Dwelling Midlife And Older Adults In The Us, Debasree Das Gupta, Uma Kelekar, Kallol Kumar Bhattacharyya, Sidney Carl Turner

Kinesiology and Health Science Faculty Publications

Background: The intersection of race/ethnicity with disability is a critical dimension of mental health outcomes in later ages that remains under-investigated.

Objective: We examined the role of race-ethnicity in moderating the associations between functional disabilities and subsequent depression among Americans 51 and older and stratified into the two age-groups of midlife (51-64) and older adults (≥65).

Methods: Using a nationally representative sample of community-dwelling Americans (≥51; n=7,475) in the 2016-2018 Health and Retirement Study, we conducted bivariate and multivariable regression analyses. Racial-ethnic groups included non-Hispanic (NH) Black, Hispanic, and NH White and a binary (0/1) outcome defined subsequent depression in …

Stress Dynamics Between Clinical Supervisors And Allied Health Students: A Scoping Review Protocol, Piao Wang

Funded Scholarship

Introduction: The aim of this scoping review is to connect theoretical research related to stress with practical applications to supervision experiences within allied health professions. Understanding the implications of stress between clinical supervisors and allied health students will allow for better insights to improve supervisory methods within clinical training, stronger mentorship and lead to better quality patient care.

Methods and analysis: This review is conducted according to Joanna Briggs Institute (JBI) methodology for scoping reviews, which includes defining the research question, developing inclusion criteria and searching for, selecting, extracting and analysing the evidence. A literature search will be conducted in …

Body Perception Attributes As Reflected On The Holistic Wellness Mirror, Priscilla Njeri Gitimu, Rudolph T. Bedeley, Lucy W. Gichaga, Caroline Kobia Kobia, Andie N. Day, Carmi Bobwealth-Omontese, Shinina Shani

Funded Scholarship

Pressure about body perception impacts well-being, and adopting holistic wellness promotes lasting health. The purpose of this study was to explore how body perceptions relate to holistic wellness by modeling a holistic wellness mirror based on the human triad of the body, mind, and spirit. The survey research method and convenient sampling were used, yielding 317 respondents from college classes and social media platforms. The survey was a combination of body perception scales and questions about holistic wellness: healthy eating, happiness, and religiosity. Analysis of variance results indicate that body appreciation and neutrality are significantly higher for individuals with higher …

New Laws Aim To Improve Oral Health, Lance Plunkett Jd, Llm

The New York State Dental Journal

Increased access to fluoride varnish and expanded health and wellness campaign is expected to improve oral health of children and adults. The end of 2024 brought two new laws that specifically affect dentistry. The first such law, Chapter 457 of the Laws of 2024, took effect on Nov. 15. It amended Section 6608 of the New York State Education Law to allow registered dental assistants to apply topical fluoride varnish. Topical fluoride varnish had previously been limited to dentists and dental hygienists. It also amended Section 6902(2) of the Education Law to allow licensed practical nurses (LPNs) to apply topical …

A Question For Dentists Why Mediation?, Shahram (Sean) Shekib J.D., D.D.S., Martin Applebaum J.D., M.A.

The New York State Dental Journal

Like peer review, carefully structured and executed mediation is a beneficial tool for resolving disputes.

N Y State Dent J January 2025

The New York State Dental Journal

In the January 2025 issue, the reader will find the following feature articles:

• The Open Apex Challenge: A Case Series
• Pathological Changes in Soft Tissues Associated with Radiographically Normal Impacted Teeth
• Bridging the Dental Care Gap: Addressing Oral Health Disparities in New York State Nursing Homes
• Dental Management of a Talon Cusp on a Permanent Incisor in Traumatic Occlusion

This issue includes regular columns with regional news impacting the New York membership including: editorial and perspectives columns, legal, association activities, component news, continuing education opportunities, and classifieds.

Bulletin 2025-2026, Seattle University School Of Law

Viewbooks

No abstract provided.

The Follower Fallacy: Revisiting Engagement Hypothesis By Evidencing Nonlinear Dynamics In Influencer Marketing, Pranjal Jain, Pooja Jain, Anju Jain

DLSU Business & Economics Review

The traditional premise posits a positive correlation between influencer following (indegree) and engagement metrics, covering likes, shares, comments, and so forth. This study aims to either affirm or dent this engagement hypothesis. Through a methodical analysis of engagement data, this research recognizes potential deviations from the anticipated linear trajectory. Contrary to antecedental social influence, campaign customization, indegree composition, and post components define diverse nonlinear trajectories, empirically challenging the existing research assumptions underlying hypothesis. By evidencing the multifaceted dynamics of influencer engagement, this study offers critical insights for marketers navigating the complexities of contemporary digital marketing landscapes, facilitating the optimization of …

Analysis Of The Menstrual Product Initiative At The University Of Northern Iowa, Catrina Marie Tounjian

Honors Program Theses

Period poverty is defined as the inability to access menstrual products or adequate feminine hygiene due to economic vulnerability. This ultimately can cause social, political, and educational barriers. In the USA, 1 in 5 menstruating students will miss school since they are unable to obtain period products. The relationship between period poverty and educational disparities is not well understood but needs to be addressed to ensure equitable education. The provision of free menstrual products in public restrooms has slowly become more prevalent as a potential interventional approach. At the University of Northern Iowa (UNI) in Cedar Falls, Iowa, there is …

A New Application Of The Coimbra Method On Cranial Entheseal Changes, Emily Marie Carlo

Honors Program Theses

No abstract provided.

Examining The Role Of Mental Health In Prisoner Reentry, Ireland Laughlin

Honors Program Theses

No abstract provided.

Hireability Of Female Hispanic Applicants By Accent/Career Type And Participant First Language, Lauren R. Logue

Honors Program Theses

There has been an influx of Hispanic immigrants in the United States, and negative attitudes toward these individuals have been increasingly expressed in the current political climate. There is discrimination toward the Hispanic community, and this includes in the workplace. One factor that may impact discrimination is accents. This study examined perceptions of women with Hispanic accents in an organizational context. Most previous research in this area has examined the perceptions of male job candidates with other types of accents. 314 participants evaluated a female job candidate who either had a Hispanic accent, did not have an accent (but had …

A Deep Dive Into The Alignment Of Classroom Management And A Social-Emotional Learning Curriculum, Aliya James

Honors Program Theses

No abstract provided.

How Do Documentaries Depict The Experiences Of Juveniles In Correctional Facilities?, Emma Decker

Honors Program Theses

The juvenile justice system is an entity that is separate from the criminal justice system, with the intended purpose of accommodating the unique needs of juveniles. This system has the primary goals of rehabilitation and punishment, with an emphasis on rehabilitation. Most of the general population has had little to no contact with the juvenile justice system.. In order to fill this gap, a great portion of the public relies on media representation to build up a foundation of knowledge. This can include gaining information from news sources as well as crime based tv shows and documentaries. Little research has …

Inked Narratives: Exploring The Motivations Behind Tattoo Culture, Katelyn Bakker

Honors Program Theses

This study explores the motivations behind tattoo acquisition and the meanings individuals attribute to their tattoos, with a focus on a college-aged population in the Midwest. Using an online survey, I gathered responses from 649 participants to understand the cultural, social, and personal factors influencing tattoo decisions. The results show that tattoos are increasingly viewed as a form of self-expression, with significant differences in motivations between genders. Key motivations for obtaining tattoos include honoring relationships, personal expression, and commemorating life events. Additionally, the study highlights the role of peer influence in tattoo acquisition, suggesting that exposure to tattooed friends is …

Outlaws, Lawmen, And The Emergence Of Justice On The Western Frontier, Kaci Mae Krier

Honors Program Theses

No abstract provided.