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Ultra Vires Review In Administrative Law For Dummies, Jack M. Beermann Apr 2026

Ultra Vires Review In Administrative Law For Dummies, Jack M. Beermann

Faculty Scholarship

Richard W. Murphy, Ultra Vires Review of Federal Agency Action Made Simple(r), 2025 Utah L. Rev. 1201 (2025).

Non-statutory review, ultra vires review, and Leedom v. Kyne, the leading case on non-statutory review, all have one thing in common—when I come across them, my eyes glaze over, and I pretend it never happened, hoping they will all go away. It’s like an allergic reaction. I’ve avoided talking about them, writing about them, and covering them in my Administrative Law course like the plague. Leave it to Richard (“Chip”) Murphy, famous for his entertaining and informative annual reviews of …


“I Hope This Letter Finds You Well,”: The Good Life Through Letters 1940s-1980s, Taylor Koet Apr 2026

“I Hope This Letter Finds You Well,”: The Good Life Through Letters 1940s-1980s, Taylor Koet

Comm-entary

Taylor is majoring in History and Law 3+3 major with a double major in Philosophy, from Long Beach, CA. She loves to bake and try new coffee and boba spots.

This piece explores the importance of stationery and letter writing in maintaining family connection across distance and time. This essay uses the Sinclair family papers which show how letters from Clayton Sinclair junior and Clayton the third preserved relationships, personal growth, and created a tangible record of their family history. Ultimately this piece argues that even as technology has changed, handwritten letters represent effort, emotion, and a main connection as …


An Analysis Of Setting –State Theatre At Thompson’S Point, Ruby Prentiss Apr 2026

An Analysis Of Setting –State Theatre At Thompson’S Point, Ruby Prentiss

Comm-entary

Ruby Prentiss is a Sophomore History and Communication student from Falmouth, Maine who is Editor in Chief of Comm-entary. She also is a member of the University’s track and field team as a thrower. In her free time, Ruby enjoys fly fishing, spending time outdoors, and reading.

This piece analyzes Thompson’s point in Portland, Maine to be a meaningful community shaped by music, public gathering, and local history. It explains how the venues physical design, restored pavilion, local food trucks, waterfront location, affordable concerts, and free seasonal events reflect the value of the State Theater and the broader main community. …


Do We Even Know What ‘Even’ Does? A Ca Investigation, Emily Johnson Apr 2026

Do We Even Know What ‘Even’ Does? A Ca Investigation, Emily Johnson

Comm-entary

Emily is a Senior communication major with a Business Administration minor. She is originally from Merrimack, NH, and is planning on working in PR or something similar when she graduates in May.

What does “even” do in conversation? This study shows that when used mid-turn, “even” functions as a systematic device for intensifying stance. Analyzing naturally occurring interactions, I demonstrate how speakers use “even” to upgrade assessments, noticings, and complaints, making them more extreme or noteworthy. Recipients consistently orient to this intensification through agreement, accounts, or escalation. Even when the upgrade is left incomplete, others step in to realize it, …


Encouraging Fitness For Women In United Kingdom- How This Girl Can Organization Tackled The Gender Activity Gap, Ruby Prentiss Apr 2026

Encouraging Fitness For Women In United Kingdom- How This Girl Can Organization Tackled The Gender Activity Gap, Ruby Prentiss

Comm-entary

Ruby Prentiss is a Sophomore History and Communication student from Falmouth, Maine who is Editor in Chief of Comm-entary. She also is a member of the University’s track and field team as a thrower. In her free time, Ruby enjoys fly fishing, spending time outdoors, and reading.

This paper offers and analysis of the Sport England public relations campaign entitled This Girl Can, detailing the PR strategy of the organization and campaign from the initial market research to the post-campaign efficacy analysis. This Girl Can is examined using historical and cultural scholarly sources with a critical communication lens to prove …


Language Deprivation In Deaf Children, Kaleb Holske Apr 2026

Language Deprivation In Deaf Children, Kaleb Holske

Comm-entary

Kaleb is an American Sign Language English Interpreter with a double major in Linguistics, from Chester, NH. He’s also a professional balloon twister!

This piece examines how language deprivation affects deaf children when they don’t necessarily receive early access to natural language, especially during the most critical developmental years. It further explains how the medical model of deafness, reliance on cochlear implants or hearing aids, schooling, and limited sign language access can negatively impact the emotional, social, and academic growth of these children. This piece argues that early access to sign language and deaf centered support is essential for preventing …


Conventions Of Photography As Means Of Social And Technological Critiques, Ava Lannery Apr 2026

Conventions Of Photography As Means Of Social And Technological Critiques, Ava Lannery

Comm-entary

Ava is a Communication major with a specification in Business Applications. She’s an Irish dual citizen from Newton, MA.

This piece looks  at how photography can be used as a form of Social and technological critique. Through Mark Peterson’s ICE’s Spectacle of Intimidation and Jack Latham’s Beggars Honey, this essay argues that photographers can manipulate composition, technology to create deeper meanings about power, style, social stage agency, immigration enforcement, and modern digital manipulation. Ultimately, this writing piece shows how photography depends on audience context and literacy to be fully understood. 


Knowledge, Skills, And Attitudinal Gaps In Fibrodysplasia Ossificans Progressiva Diagnosis And Management In The United States, Patrice Lazure, Matthew Drake, Michelle Davis, Corrie Crowe, Zvi Grunwald, Lu Fan, Suzanne Murray Apr 2026

Knowledge, Skills, And Attitudinal Gaps In Fibrodysplasia Ossificans Progressiva Diagnosis And Management In The United States, Patrice Lazure, Matthew Drake, Michelle Davis, Corrie Crowe, Zvi Grunwald, Lu Fan, Suzanne Murray

Department of Anesthesiology Faculty Papers

Fibrodysplasia ossificans progressiva (FOP) is an ultra-rare and disabling disease. Preventing unnecessary and/or harmful medical procedures to patients requires early and accurate diagnosis, multidisciplinary care, and access to specialists with FOP expertise. This study aims to assess the needs of healthcare providers (HCPs) when providing care to patients with FOP. Knowledge, confidence, and management practices were measured through a short awareness survey, completed by 400 HCPs from different specialties who may encounter patients with FOP. Complementary qualitative data were obtained from a dialogue session about FOP. Quantitative data was analyzed using descriptive and inferential analysis, while qualitative data underwent thematic …


Prediction Of Antidiabetic Activity Of Swietenia Mahagoni Compounds Through Pparγ Activation: Machine Learning And Molecular Docking Analysis, Weri Veranita, Siti Nurbaya Apr 2026

Prediction Of Antidiabetic Activity Of Swietenia Mahagoni Compounds Through Pparγ Activation: Machine Learning And Molecular Docking Analysis, Weri Veranita, Siti Nurbaya

Indonesian Journal of Medical Chemistry and Bioinformatics

Type 2 diabetes mellitus is a chronic metabolic disorder requiring long-term therapy, yet current synthetic PPARγ agonists like thiazolidinediones are often associated with serious adverse effects. Therefore, identifying natural alternatives from sources such as Swietenia mahagoni is essential to provide effective therapy with potentially lower toxicity profiles. This study employed an in silico machine learning approach using SkelSpheres descriptors to predict the IC₅₀ values of compounds derived from the seeds of Swietenia mahagoni against PPARγ, followed by molecular docking validation using Molegro Virtual Docker (MVD). The predictive model for PPARγ agonists demonstrated acceptable validity (R²-test = 0.5308; accuracy = 84.01%). …


Impacts Of Climate Change On China’S Agricultural Production And Proposed Countermeasures, Yaning Chen, Yanjun Shen, Ming Jiang Apr 2026

Impacts Of Climate Change On China’S Agricultural Production And Proposed Countermeasures, Yaning Chen, Yanjun Shen, Ming Jiang

Bulletin of Chinese Academy of Sciences (Chinese Version)

Climate change is among the most severe global challenges today. It directly impacts agricultural production, which is highly dependent on climatic conditions, imposing multi-dimensional and systemic risks and challenges on China’s agriculture. Drawing on observational data and analysis of the literature, this study systematically examines the impacts of climate change on agricultural production in China. Over the past half century, China’s annual mean surface temperature has risen significantly at a rate of 0.31℃ per decade, exceeding the contemporaneous global average. This trend has intensified climatic variability and extremes, disrupted the prior balance of agricultural water resources, and led to the …


Impact Of Climate Change On Agricultural Production In The North China Plain And Adaption Strategies, Yanjun Shen, Ying Guo, Chuanwei Zhang, Yaning Chen Apr 2026

Impact Of Climate Change On Agricultural Production In The North China Plain And Adaption Strategies, Yanjun Shen, Ying Guo, Chuanwei Zhang, Yaning Chen

Bulletin of Chinese Academy of Sciences (Chinese Version)

Over the past century, global warming has posed significant challenges to the North China Plain (NCP), a core region for grain production, where resource-induced water scarcity now coincides with complex meteorological disasters. In recent years, the NCP has exhibited new climatic characteristics, notably the transition from a “warm-dry” to a “warm-wet” pattern accompanied by asymmetric warming, leading to an increased frequency of extreme events such as droughts, abrupt dry-flood alternations, and temperature extremes. These shifts pose a grave threat to regional grain stability. Currently, critical gaps remain in the understanding of the underlying disaster mechanisms, as well as in predictive …


Impact And Countermeasures Of Climate Change On Grain Production In Northwest China, Qin’Ge Dong, Jianqiang He, Yi Li, Ning Yao, Xiang Li, Haolei Zhang, Shengnan Wang, Tengcong Jiang, Baiqing Chen, Chunrui Gao, Chao Liang, Guiyuan Zhang, Lei Gong, Jinxuan Zhao, Qiang Yu, Hao Feng Apr 2026

Impact And Countermeasures Of Climate Change On Grain Production In Northwest China, Qin’Ge Dong, Jianqiang He, Yi Li, Ning Yao, Xiang Li, Haolei Zhang, Shengnan Wang, Tengcong Jiang, Baiqing Chen, Chunrui Gao, Chao Liang, Guiyuan Zhang, Lei Gong, Jinxuan Zhao, Qiang Yu, Hao Feng

Bulletin of Chinese Academy of Sciences (Chinese Version)

Global climate change is reshaping the agricultural production patterns of grain crops in Northwest China. As an important reserve region for national grain production, Northwest China faces multiple uncertainties and compound risks in food security. This study analyzes the current status and limiting factors of grain production, along with regional climate change trends, and systematically evaluates the impacts of climate change and its associated disasters on the spatial distribution, cropping systems, and yield formation of major crops such as wheat, maize, and potato. Over the past 60 years, the region has experienced a warming rate of approximately 0.32℃ per decade …


Accelerating Marine Science And Technology Innovation Under Great Power Competition: Challenges And Recommendations, Qingbin Guo, Yongsha Xiong, Shifang Sun Apr 2026

Accelerating Marine Science And Technology Innovation Under Great Power Competition: Challenges And Recommendations, Qingbin Guo, Yongsha Xiong, Shifang Sun

Bulletin of Chinese Academy of Sciences (Chinese Version)

Against the backdrop of intensifying great-power competition, the core issues of global technological competition and cooperation are increasingly converging on the marine domain. The oceans are progressively becoming a critical strategic sphere for national development and security. At present, China is steadily advancing towards its goal of becoming a maritime power, achieving historic leaps in technological innovation such as shipbuilding and deep-sea exploration. Nevertheless, the path ahead for China’s marine science and technology innovation will inevitably face severe international circumstances and competition from established global maritime powers. Based on a review of global and Chinese progress in marine science and …


Construction Of China’S Marine Protected Area System In 15th Five-Year Plan, Ke Duan, Danhong Chen, Keqiang Li, Limin Han, Zhengyan Liu, Dongliang Lu, Xiulin Wang Apr 2026

Construction Of China’S Marine Protected Area System In 15th Five-Year Plan, Ke Duan, Danhong Chen, Keqiang Li, Limin Han, Zhengyan Liu, Dongliang Lu, Xiulin Wang

Bulletin of Chinese Academy of Sciences (Chinese Version)

The establishment of the marine protected area (MPA) system constitutes a critical component of the national initiative to comprehensively advance the development of a nature reserve system centered on national parks. This study explores on domestic and international development trends from aspects such as conservation strategies, international policies, high seas protection, and development trends. It also sorts out and analyzes the construction status of marine protected area systems in China and the United States. Centering on issues in China related to spatial layout, management systems, policies and laws, scientific research support, high seas governance, and land-sea management, the study puts …


Progress, Dilemma, And Approaches Of S&T Incentive System Reform In China—Based On Questionnaire And Interview, Ru Ma, Hongwei Wang Apr 2026

Progress, Dilemma, And Approaches Of S&T Incentive System Reform In China—Based On Questionnaire And Interview, Ru Ma, Hongwei Wang

Bulletin of Chinese Academy of Sciences (Chinese Version)

Innovation incentive is of importance for fully realizing the innovation vitality of scientific and technological talents. This study reveals the progress, dilemma, and approaches of incentive system reform based on the in-depth interview and questionnaire. The results show that the progress has been made in broadening income sources, unblocking development channels, enhancing S&T autonomy, reducing non-academic burden, and optimizing academic environment. Nevertheless, some problems still remain to be solved, including a mismatch between income and contribution, incentive contradictions of the S&T achievement transformation, insufficient spiritual incentive, limited developing space, weak sense of gain from the S&T autonomy reform, impetuous academic …


Enhancing Researcher Competence In Ai For Science Paradigm Shift And Corresponding Strategies, Shuo Wang, Yan Yan, Zhengfeng Li Apr 2026

Enhancing Researcher Competence In Ai For Science Paradigm Shift And Corresponding Strategies, Shuo Wang, Yan Yan, Zhengfeng Li

Bulletin of Chinese Academy of Sciences (Chinese Version)

Against the backdrop of the paradigm shift triggered by AI for Science (AI4S) and intensifying global technological competition, systematically enhancing researchers’ AI4S competence is essential for developing new quality productive forces and achieving scientific and technological self-reliance. In practice, AI4S manifests in both specialized and general forms, imposing universal, multi-dimensional competence requirements on researchers. AI4S competence comprises four core dimensions: computational thinking for scientific problems, human-AI interaction and verification, interdisciplinary collaboration, and ethical awareness and responsibility. Future talent development should transform fragmented self-learning into organized competence training, shifting from teaching technical tools to cultivating computational thinking, building a tiered support …


Strategic Talent Management In Era Of Intelligence And Digitalization: Current Situation And Path Exploration, Chaoying Tang, Chunyuan Wang Apr 2026

Strategic Talent Management In Era Of Intelligence And Digitalization: Current Situation And Path Exploration, Chaoying Tang, Chunyuan Wang

Bulletin of Chinese Academy of Sciences (Chinese Version)

The report of the 20th National Congress of the Communist Party of China emphasized “speed up efforts to build a contingent of personnel with expertise of strategic importance” to support China’s pursuit of high-level technological self-reliance and its goal of becoming a world-leading power in science and technology. The deep integration of digital and intelligent technologies is fundamentally transforming talent management paradigms and innovation processes, posing new demands on the knowledge structure, competency models, and management approaches of strategic talents. The study explores the concepts of strategic talent management in the digital intelligent era, establishes its logical framework, analyzes current …


Panoramic Analysis And Strategic Proposals Of Helium Research In China Based On Knowledge Graph, Huayang Li, Quanyou Liu, Dongya Zhu, Xiaoqi Wu, Chi Zhang, Zehui Shi Apr 2026

Panoramic Analysis And Strategic Proposals Of Helium Research In China Based On Knowledge Graph, Huayang Li, Quanyou Liu, Dongya Zhu, Xiaoqi Wu, Chi Zhang, Zehui Shi

Bulletin of Chinese Academy of Sciences (Chinese Version)

Helium is a critical rare gas essential for aerospace, medical devices, and semiconductor production. With about 85% of its helium coming from imports, China’s advancement of exploration and development technologies is vital for national resource security. This study analyzes helium-related publications from CNKI (2000–2025) using advanced data visualization and statistical methods. It introduces a three-pronged approach–data-driven analysis, visual representation, and mechanistic explanation–to offer the first comprehensive examination of China’s helium exploration and development research, revealing its evolution and current state from multiple perspectives and providing fresh insights. By examining publication trends, institutional contributions, and evolving research priorities, the study maps …


Southeastern United States African American Business Leaders’ Effective Business Profitability Strategies, Maurice Chamblin Apr 2026

Southeastern United States African American Business Leaders’ Effective Business Profitability Strategies, Maurice Chamblin

Walden Dissertations and Doctoral Studies

African American business leaders in the United States experience persistent operational constraints that affect business sustainability and long-term profitability. These leaders face recurring challenges in accessing capital, securing managerial support, and effectively utilizing resources, which may hinder their ability to remain viable and competitive. Grounded in resource-based view theory, this qualitative pragmatic inquiry project aimed to identify and explore the practical strategies used by African American business leaders in the Southeastern United States to increase their business profitability over more than 5 years. The participants were six African American business leaders from the Southeastern United States who had grown their …


Traditionally Certified, Second-Career Teachers’ Perceptions Of Intent To Stay In The Classroom, Tara L. Wells Apr 2026

Traditionally Certified, Second-Career Teachers’ Perceptions Of Intent To Stay In The Classroom, Tara L. Wells

Walden Dissertations and Doctoral Studies

The problem that was addressed through this study was the high teacher turnover, including traditionally certified, second-career teachers (TCSCTs), in United States classrooms, despite support and additional resources provided. The purpose of this qualitative study was to examine TCSCTs’ perceptions on the reasons and their recommendations to remain in the classroom. Ingersoll's teacher turnover and retention framework was used to conceptually frame this study. Using a basic qualitative design, semistructured interviews were conducted with 12 TCSCTs. Data were analyzed through thematic analysis. The following themes emerged: TCSCTs remain in the profession primarily due to a sense of purpose in their …


Burnout And Secondary Traumatic Stress Experiences In Mental Health Professionals Working With Military Veterans, Megan Carter Apr 2026

Burnout And Secondary Traumatic Stress Experiences In Mental Health Professionals Working With Military Veterans, Megan Carter

Walden Dissertations and Doctoral Studies

Burnout among mental health professionals has been a long-standing phenomenon when working with trauma individuals resulting in increased job turnover rates and decreased quality of care for patients. The job demands- resourced model and constructivist self- development theory were used to guide this study. The purpose of this research study was to explore how mental health professionals working with the military veteran population experience burnout and secondary traumatic stress. A descriptive qualitative design was used with purposive and snowball sampling to attain 10 mental health professionals from various facilities serving military veterans. Data were collected from semistructured interviews and were …


From Browsing To Building: Navigating Your Google Resource Space (Drive & Site), Libby Cunningham Apr 2026

From Browsing To Building: Navigating Your Google Resource Space (Drive & Site), Libby Cunningham

Capstone Projects

This capstone project aimed to develop a trauma-informed, evidence-based support hub for Court Appointed Special Advocates (CASA) working with children involved in the foster care system. CASA advocates are frequently exposed to secondary trauma, burnout, and compassion fatigue, which can impact their effectiveness and overall well-being. Additionally, trauma exposure significantly affects children’s emotional regulation, behavior, and participation in daily occupations. The primary objective of this project was to design, develop, and organize a comprehensive digital resource platform tailored to the needs of Kalamazoo CASA and their active cases. Utilizing evidence-based literature on trauma-informed care and secondary trauma, relevant resources were …


The Missing Link Between Occupational Therapy And Hemodialysis: Program Development And Implementing Intradialytic Ot In A Rural Hospital Setting, Madison Maki Apr 2026

The Missing Link Between Occupational Therapy And Hemodialysis: Program Development And Implementing Intradialytic Ot In A Rural Hospital Setting, Madison Maki

Capstone Projects

Occupational therapy (OT) has demonstrated effectiveness in supporting individuals undergoing hemodialysis, a life‑altering yet lifesaving treatment for end‑stage renal disease (ESRD) and chronic kidney disease (CKD). Despite this, hospitalized patients who require dialysis often receive reduced rehabilitation services due to the time‑intensive nature of dialysis and the productivity demands placed on therapists. Additionally, gaps in therapist knowledge regarding the unique functional deficits and educational needs of this population further limit service delivery.

This doctoral capstone project (DCE), conducted at Upper Peninsula Health System (UPHS), a hospital in rural Northern Michigan, addressed these barriers through the development of a comprehensive resource …


Development Of 6-Week Tier 2 Intervention Tracks Within An Elementary Mtss Framework, Maxwell Lyle Apr 2026

Development Of 6-Week Tier 2 Intervention Tracks Within An Elementary Mtss Framework, Maxwell Lyle

Capstone Projects

The Multi-Tiered System of Supports (MTSS) is designed to provide levels of support with differing intensity that align with student needs. Tier 1 is universal instruction provided to all students in the classroom. Students who do not demonstrate adequate progress may receive Tier 2 interventions, which are primarily small-group and, when appropriate, individual interventions that are skill-specific, time-bound (6–8 weeks), and include progress monitoring. Students who do not respond to Tier 2 may require Tier 3 supports, which are intensive, individualized interventions. Many school systems lack consistent, structured Tier 2 supports, particularly in Occupational Therapy-related skills, such as fine motor …


Addressing Barriers To Occupational Therapy Access For Foster Youth Through Advocacy And Education, Josephine Sanders Apr 2026

Addressing Barriers To Occupational Therapy Access For Foster Youth Through Advocacy And Education, Josephine Sanders

Capstone Projects

Occupational therapy (OT) is well positioned to support regulation, sensory processing, and participation in daily activities, yet its role in trauma-informed care is often underrecognized. Foster youth experience disproportionately high rates of trauma exposure, which can affect emotional regulation, behavior, relationships, and participation in meaningful occupations. Despite these needs, barriers within healthcare systems and limited awareness of OT’s role often prevent foster youth from accessing services.

This doctoral capstone experience focused on increasing access to OT for foster youth through advocacy, education, and advanced clinical learning and practice. The experience took place at CAYA Therapies in Grand Rapids, Michigan, where …


Culturally Responsive Trauma-Informed Care: A Crosspollination Through Content Analysis, Ryan Andrew Partika Apr 2026

Culturally Responsive Trauma-Informed Care: A Crosspollination Through Content Analysis, Ryan Andrew Partika

LMU Theses and Dissertations

The purpose of this research was to investigate additional ways trauma-informed care can have more of a whole child approach, especially for the most vulnerable students. This research, with an eye on the most vulnerable, addressed the following a guiding question: what would a traumainformed system of care look like with a social justice dimension? To gain a better understanding of such a possibility, this research used a content analysis of the literature on trauma-informed care. From the literature, it became apparent cultural responsiveness has often been suggested as a needed addition for trauma care but has never been fully …


Gathering Places: Indigenous Resources, Economies, And Diplomacy In The Northeastern Great Plains, 1650 – 1806 Ce, Matthew D. Busch Apr 2026

Gathering Places: Indigenous Resources, Economies, And Diplomacy In The Northeastern Great Plains, 1650 – 1806 Ce, Matthew D. Busch

History Theses, Dissertations, and Student Creative Activity

Centuries before European arrival in the Great Plains region of North America, Indigenous exchange networks connected people within the continental interior to the Atlantic and Pacific oceans and the Gulf Coast. Throughout this vast Native Space, Indigenous peoples sought new resources and opportunities to create sustainable and successful lifeways by harnessing the spiritual, economic, and political power of place as they journeyed across the landscape.

The Coteau des Prairies centrally located between the Missouri, Mississippi, and Hudson's Bay watersheds within the Northeastern Great Plains represents a unique place of power. This imposing glacially modified landscape characterized by numerous lakes, fertile …


Efficacy Of Homemade Botanical Insecticides Against Diamondback Moth (Plutella Xylostella) And Cabbage Aphids (Brevicoryne Brassicae) On Brassica Crops, Nancy Munyoki, Edward N. Karanja, Komivi S. Akutse, Noah Adamtey, Martha Musyoka, Komi K. Fiaboe, David Bautze, Edwin Nderitu, Felix Matheri, Dubois Thomas, Milka Kiboi, Chrysantus M. Tanga Apr 2026

Efficacy Of Homemade Botanical Insecticides Against Diamondback Moth (Plutella Xylostella) And Cabbage Aphids (Brevicoryne Brassicae) On Brassica Crops, Nancy Munyoki, Edward N. Karanja, Komivi S. Akutse, Noah Adamtey, Martha Musyoka, Komi K. Fiaboe, David Bautze, Edwin Nderitu, Felix Matheri, Dubois Thomas, Milka Kiboi, Chrysantus M. Tanga

All Peer-Reviewed Publications

The growing need for accessible alternatives to synthetic insecticides has renewed interest in farmer-made botanical formulations for pest management. This study evaluated the efficacy of selected homemade botanical insecticides against diamondback moth (Plutella xylostella) and cabbage aphid (Brevicoryne brassicae) on cabbage (Brassica oleracea var. capitata) and kale (B. oleracea var. acephala) under laboratory and semi-field conditions. Three homemade formulations were assessed: a one-day-old multi-plant extract with neem (Azadirachta indica; PE + N), a one-day-old extract without neem (PE), and a fourteen-day-old, fermented extract without neem (PE14). These were compared with three commercial botanical products. In replicated leaf- and plant-based bioassays, …


Review On Optimization Of Simulation Modeling Strategies For Spacecraft Orbit Avoidance, Guozheng Li, Rui Wang, Shichao Fan, Xintong Cai, Xinyue Zhai Apr 2026

Review On Optimization Of Simulation Modeling Strategies For Spacecraft Orbit Avoidance, Guozheng Li, Rui Wang, Shichao Fan, Xintong Cai, Xinyue Zhai

Journal of System Simulation

Abstract: The number of on-orbit spacecraft increases exponentially; the space environment becomes more complex, and the collision risk of on-orbit spacecraft increases significantly. On-orbit safety is thus severely threatened, posing higher requirements for orbit avoidance methods. The costs and risks of space activities are extremely high, making simulation an effective method to solve complex problems of orbit avoidance. The modeling, solution, and simulation methods for the two core issues of spacecraft orbit avoidance, "collision avoidance" and "pursuit-evasion games", were systematically reviewed, and the existing shortcomings were analyzed. The applications of technologies such as deep reinforcement learning in promoting orbit avoidance …


A Bilstm+Attention Method For Predicting The Intentions Of Air Combat Targets Based On Multi-Feature Continuous Time Series, Qiuni Li, Dong Wang, Chaozhe Wang, Zongcheng Liu Apr 2026

A Bilstm+Attention Method For Predicting The Intentions Of Air Combat Targets Based On Multi-Feature Continuous Time Series, Qiuni Li, Dong Wang, Chaozhe Wang, Zongcheng Liu

Journal of System Simulation

Abstract: To achieve advance prediction of enemy target intention, a three-layer air combat intention prediction method based on multi-feature continuous time series and BiLSTM+Attention, including trajectory prediction, threat assessment, and intention prediction was proposed. To prevent the onesidedness of intention prediction results caused by state information at a single moment, prediction was carried out from multiple state features and trajectory information in a continuous time series. An LSTM neural network was used to predict the trajectory of the target aircraft, and the threat assessment of the target aircraft before and after the prediction was conducted. The BiLSTM + Attention model …