bluuebunny/crossref_metadata_2025 huggingface dataset:
Physiological and gene expression changes of Cryptomeria fortunei Hooibrenk families under heat stress
Authors: Xue Jinyu , Zeng Pingsheng , Cui Jiebing , Zhang Yingting , Yang Junjie , Zhu Lijuan , Hu Hailiang , Xu Jin
Published: January 2023

Heat stress is one of the major abiotic stresses affecting plant growth and productivity. Cryptomeria fortunei (Chinese cedar) is an excellent timber and landscaping tree species in southern China thanks to its beautiful appearance, straight texture and ability to purify the air and improve the environment. In this study, we first screened 8 excellent C. fortunei families (#12, #21, #37, #38, #45, #46, #48, #54) in a second generation seed orchard. We then analyzed the electrolyte leakage (EL) and lethal temperature at 50% (LT50) values under heat stress, to identify the families with the best heat resistance (#48) and the lowest heat resistance (#45) and determine the physiological and morphological response of different threshold-resistance of C. fortune to heat stress. The relative conductivity of the C. fortunei families showed an increasing trend with increasing temperature, following an “S” curve, and the half-lethal temperature ranges between 39°C and 43.2°C. The activities of SOD and POD fluctuated in the early stage of stress but decreased after 37°C. We observed the changes in the cell ultrastructure at 43°C, and the mesophyll cell structure of #48 was less damaged than that of #45. Eight heat resistance gene, including CfAPX1, CfAPX2, CfHSP11, CfHSP21, CfHSP70, CfHSFA1a, CfHSFB2a and CfHSFB4, were all up-regulated in #45 and #48, and there were significant differences between #45 and #48 under different heat stress treatments. We found a significant difference in heat tolerance between #45 and #48, such that #48 shows higher heat tolerance capability and could be exploited in breeding programs. We conclude that the strongly heat-resistant family had a more stable physiological state and a wider range of heat stress adaptations.
Fertilizer 15N balance in a soybean–maize–maize rotation system based on a 41-year long-term experiment in Northeast China
Authors: Dai Jian , Gui Hailong , Shen Feng , Liu Yuying , Bai Minsong , Yang Jinfeng , Liu Houjun , Luo Peiyu , Han Xiaori , Siddique Kadambot H. M.
Published: January 2023

Global awareness of the need to enhance crop production and reduce environmental issues associated with nitrogen (N) fertilizer has increased. However, studies on how the N fate changed with manure addition are still limited. To explore efficient fertilization management for an improved grain yield, N recovery efficiency, and reduced N residual in the soil or that unaccounted for, a field 15N micro-plot trial in a soybean–maize–maize rotation was conducted to evaluate the effect of fertilization regimes on soybean and maize yields and the fertilizer N fate in the plant–soil system during 2017–2019 within a 41-year experiment in Northeast China. Treatments included chemical N alone (N), N and phosphorus (NP), N, P, and potassium (NPK), and those combined with manure (MN, MNP, and MNPK). Application of manure increased grain yield, on average, by 153% for soybean (2017) and 105% and 222% for maize (2018 and 2019) compared to no manure, with the highest at MNPK. Crop N uptake and that from labeled 15N-urea also benefited from manure addition, mainly partitioned to grain, and the average 15N-urea recovery was 28.8% in the soybean season with a reduction in the subsequent maize seasons (12.6%, and 4.1%). Across the three years, the fertilizer 15N recovery ranged from 31.2–63.1% (crop) and 21.9–40.5% (0–40 cm soil), with 14.6–29.9% unaccounted for, including N losses. In the two maize seasons, manure addition significantly increased the residual 15N recovery in crop attributed to the enhancing 15N remineralization, and reduced that in soil and unaccounted for compared to single chemical fertilizer, with MNPK performing the best. Therefore, applying N, P, and K fertilizers in the soybean season and NPK combined with manure (13.5 t ha–1) in the maize seasons is a promising fertilization management strategy in Northeast China and similar regions.
SUPERMAN strikes again in legumes
Authors: Rodas Ana L. , Roque Edelín , Hamza Rim , Gómez-Mena Concepción , Beltrán José Pío , Cañas Luis A.
Published: January 2023

The SUPERMAN (SUP) gene was described in Arabidopsis thaliana over 30 years ago. SUP was classified as a cadastral gene required to maintain the boundaries between reproductive organs, thus controlling stamen and carpel number in flowers. We summarize the information on the characterization of SUP orthologs in plant species other than Arabidopsis, focusing on the findings for the MtSUP, the ortholog in the legume Medicago truncatula. M. truncatula has been widely used as a model system to study the distinctive developmental traits of this family of plants, such as the existence of compound inflorescence and complex floral development. MtSUP participates in the complex genetic network controlling these developmental processes in legumes, sharing conserved functions with SUP. However, transcriptional divergence between SUP and MtSUP provided context-specific novel functions for a SUPERMAN ortholog in a legume species. MtSUP controls the number of flowers per inflorescence and the number of petals, stamens and carpels regulating the determinacy of ephemeral meristems that are unique in legumes. Results obtained in M. truncatula provided new insights to the knowledge of compound inflorescence and flower development in legumes. Since legumes are valuable crop species worldwide, with high nutritional value and important roles in sustainable agriculture and food security, new information on the genetic control of their compound inflorescence and floral development could be used for plant breeding.
MYB pathways that regulate UV-B-induced anthocyanin biosynthesis in blueberry (Vaccinium corymbosum)
Authors: Song Yan , Ma Bin , Guo Qingxun , Zhou Lianxia , Zhou Xintong , Ming Ziqing , You Honglin , Zhang Chunyu
Published: January 2023

Ultraviolet-B (UV-B) promotes anthocyanin accumulation and improves fruit quality in plants. To explore the underlying network of MYB transcription factors that regulates UV-B-induced anthocyanin biosynthesis in blueberry (Vaccinium corymbosum), we analyzed the response of MYB transcription factor genes to UV-B treatment. Transcriptome sequencing analysis revealed that VcMYBA2 and VcMYB114 expression were upregulated and were positively correlated with the expression of anthocyanin structural genes under UV-B radiation according to weighted gene co-expression network analysis (WGCNA) data. The VcUVR8-VcCOP1-VcHY5 pathway perceives UV-B signals and promotes the expression of anthocyanin structural genes by upregulating VcMYBA2 and VcMYB114 or by regulating the VcBBXs-VcMYB pathway, ultimately promoting anthocyanin accumulation. By contrast, VcMYB4a and VcUSP1 were downregulated under UV-B treatment, and VcMYB4a expression was negatively correlated with that of anthocyanin biosynthesis genes in response to UV-B. Analysis of VcMYB4a-overexpressing and wild-type blueberry calli exposed to UV-B radiation revealed that VcMYB4a represses UV-B-induced anthocyanin accumulation. Yeast one-hybrid and dual luciferase assays showed that the universal stress protein VcUSP1 directly bound to the promoter of VcMYB4a. These results suggest that the VcUSP1-VcMYB4a pathway negatively regulates UV-B-induced anthocyanin biosynthesis and provide insight into UV-B-induced anthocyanin biosynthesis.
Sure you are ready? Gendered arguments in recruitment for high-status positions in male-dominated fields
Authors: Dutz Regina , Hubner-Benz Sylvia , Emmerling Franziska , Peus Claudia
Published: January 2023

Recruitment contexts such as STEM professorships promote clearly defined selection criteria and objective assessment. We illuminate in these contexts, the subjective interpretation of seemingly objective criteria and gendered arguments in discussions of applicants. Additionally, we explore gender bias despite comparable applicant profiles investigating how specific success factors lead to selection recommendations for male and female applicants. Implementing a mixed methods approach, we aim to highlight the influence of heuristics, stereotyping, and signaling in applicant assessments. We interviewed 45 STEM professors. They answered qualitative open-ended interview questions, and evaluated hypothetical applicant profiles, qualitatively and quantitatively. The applicant profiles enabled a conjoint experiment with different applicant attributes varied across the profiles (i.e., publications, willingness to cooperate, network recommendation, and applicant gender), the interviewees indicating scores of selection recommendation while thinking aloud. Our findings reveal gendered arguments, i.e., questioning women potentially fueled by a perception of women’s exceptional status and perceived self-questioning of women. Furthermore, they point to gender-independent and gender-dependent success patterns, thereby to potential success factors particularly for female applicants. We contextualize and interpret our quantitative findings in light of professors’ qualitative statements.
Needed adaptations in psychological treatments for people with vision impairment: A Delphi study, including clients, relatives, and professionals
Authors: Braakman Jessica , Sterkenburg Paula Sophia
Published: January 2023

Objective

In this study, we aimed to identify the themes that should be addressed when adapting mental health treatments for adults with a visual impairment.

Method

A Delphi study was conducted among 37 experts, including professionals, persons with a visual impairment, and relatives of clients with a visual impairment.

Results

The Delphi consultation revealed seven categories (factors) that were identified as important in the treatment of mental health problems for clients with a visual impairment: the visual impairment, environment, stressors, emotions, the professional’s role and attitude, treatment setting, and accessibility of materials. Factors regarding the clients’ visual impairment, such as the severity of the impairment, influence the extent to which adjustments are needed in treatment. During treatment, the professional plays an important role in explaining any visual elements that a client with a visual impairment may miss.

Conclusion

In psychological treatment, clients require individual adaptations for their specific visual impairment.
A three step protocol for the development of an innovative footwear (shoe and sensor based insole) to prevent diabetic foot ulceration
Authors: Sousa Liliana B. , Almeida Inês , Bernardes Rafael A. , Leite Teófilo R. , Negrão Rui , Apóstolo João , Salgueiro-Oliveira Anabela , Parreira Pedro
Published: January 2023

Background

The incidence of diabetic foot ulceration (DFU) is increasing worldwide. Therapeutic footwear is usually recommended in clinical practice for preventing foot ulcers in persons with diabetes. The project Science DiabetICC Footwear aims to develop innovative footwear to prevent DFU, specifically a shoe and sensor-based insole, which will allow for monitoring pressure, temperature, and humidity parameters.

Method

This study presents a three-step protocol for the development and evaluation of this therapeutic footwear, specifically: (i) a first observational study will specify the user requirements and contexts of use; (ii) after the design solutions were developed for shoe and insole, the semi-functional prototypes will be evaluated against the initial requirements; (iii) and a pre-clinical study protocol will enable the evaluation of the final functional prototype. The eligible diabetic participants will be involved in each stage of product development. The data will be collected using interviews, clinical evaluation of the foot, 3D foot parameters and plantar pressure evaluation. This three-step protocol was defined according to the national and international legal requirements, ISO norms for medical devices development, and was also reviewed and approved by the Ethics Committee of the Health Sciences Research Unit: Nursing (UICISA: E) of the Nursing School of Coimbra (ESEnfC).

Results

The involvement of end-users (diabetic patients) will enable the definition of user requirements and contexts of use to develop design solutions for the footwear. Those design solutions will be prototyped and evaluated by end-users to achieve the final design for therapeutic footwear. The final functional prototype will be evaluated in pre-clinical studies to ensure that the footwear meets all the requirements to move forward to clinical studies.

Discussion

The three-step study outlined in this protocol will provide the necessary insights during the product development, ensuring this new therapeutic footwear's main functional and ergonomic features for DFU prevention.
Expert-opinion-based guidance for the care of children with lysosomal storage diseases during the COVID-19 pandemic: An experience-based Turkey perspective
Authors: Akgun Abdurrahman , Gokcay Gulden , Mungan Neslihan Onenli , Sivri Hatice Serap , Tezer Hasan , Zeybek Cigdem Aktuglu , Ezgu Fatih
Published: January 2023

This expert-opinion-based document was prepared by a group of specialists in pediatric inherited metabolic diseases and infectious diseases including administrative board members of Turkish Society for Pediatric Nutrition and Metabolism to provide guidance for the care of children with lysosomal storage disorders (LSDs) during the COVID-19 pandemic in Turkey. The experts reached consensus on key areas of focus regarding COVID-19-based risk status in relation to intersecting immune-inflammatory mechanisms and disease patterns in children with LSDs, diagnostic virus testing, particularly preventive measures and priorities during the pandemic, routine screening and diagnostic interventions for LSDs, psychological and socioeconomic impact of confinement measures and quarantines and optimal practice patterns in managing LSDs and/or COVID-19. The participating experts agreed on the intersecting characteristics of immune-inflammatory mechanisms, end-organ damage and prognostic biomarkers in LSD and COVID-19 populations, emphasizing the likelihood of enhanced clinical care when their interaction is clarified via further studies addressing certain aspects related to immunity, lysosomal dysfunction and disease pathogenesis. In the context of the current global COVID-19 pandemic, this expert-opinion-based document provides guidance for the care of children with LSDs during the COVID-19 pandemic based on the recent experience in Turkey.
The impact of contraceptives on the vaginal microbiome in the non-pregnant state
Authors: Bakus Cassandra , Budge Kelly  L. , Feigenblum Nicole , Figueroa Melissa , Francis Antonia  P.
Published: January 2023

The vaginal microbiome exists in a dynamic state and its disruption, by diminution of Lactobacillus concentrations, can induce a state of microbial imbalance with significant health consequences, such as increased risk of sexually transmitted infection (STI) acquisition, preterm labor, and low birth weight babies. This delicate balance of microbes can be affected by many processes such as mechanical practices (i.e. douching) and hormonal changes: physiologic (i.e. menstrual cycle, menopause, puberty), pathologic (i.e. PCOS), and exogenous (i.e. contraceptives). Contraceptives fall into mechanical and hormonal categories, both of which prevent unintended pregnancy. The mechanical contraceptives of spermicides, diaphragms, and cervical caps alter the vaginal ecosystem, with spermicides being linked to an increased risk of vaginal dysbiosis. The impacts of Copper T intrauterine devices (Cu-IUDs) and hormonal contraceptives on the vaginal microbiome are contradictory. A better understanding and consensus of how contraceptive methods affect the vaginal microbiome is needed.
Fundamentals of burrowing in soft animals and robots
Authors: Dorgan Kelly M. , Daltorio Kathryn A.
Published: January 2023

Creating burrows through natural soils and sediments is a problem that evolution has solved numerous times, yet burrowing locomotion is challenging for biomimetic robots. As for every type of locomotion, forward thrust must overcome resistance forces. In burrowing, these forces will depend on the sediment mechanical properties that can vary with grain size and packing density, water saturation, organic matter and depth. The burrower typically cannot change these environmental properties, but can employ common strategies to move through a range of sediments. Here we propose four challenges for burrowers to solve. First, the burrower has to create space in a solid substrate, overcoming resistance by e.g., excavation, fracture, compression, or fluidization. Second, the burrower needs to locomote into the confined space. A compliant body helps fit into the possibly irregular space, but reaching the new space requires non-rigid kinematics such as longitudinal extension through peristalsis, unbending, or eversion. Third, to generate the required thrust to overcome resistance, the burrower needs to anchor within the burrow. Anchoring can be achieved through anisotropic friction or radial expansion, or both. Fourth, the burrower must sense and navigate to adapt the burrow shape to avoid or access different parts of the environment. Our hope is that by breaking the complexity of burrowing into these component challenges, engineers will be better able to learn from biology, since animal performance tends to exceed that of their robotic counterparts. Since body size strongly affects space creation, scaling may be a limiting factor for burrowing robotics, which are typically built at larger scales. Small robots are becoming increasingly feasible, and larger robots with non-biologically-inspired anteriors (or that traverse pre-existing tunnels) can benefit from a deeper understanding of the breadth of biological solutions in current literature and to be explored by continued research.
Cosmological redshift and Hubble tension explained by means of the FLRWT time-metric framework and transit physics in the IGM
Authors: Trinchera Alessandro
Published: January 2023

In response to all current cosmological controversies, this paper provides a reliable explanation of the Hubble tension and of the apparent acceleration of space expansion detected by SN Ia. In the first place, it calculates the redshift from Einstein field equations (EFE) assuming a Friedman–Lemaitre–Robertson–Walker–Trinchera (FLRWT) metric framework due to the deformation of the spacetime fabric, causing a redshift due to a time dilation. In the second place, this study computes the dominant cosmological redshift contribution given by the transit redshift due to multiple interactions between photons and electrons in the intergalactic medium and not sustained in Einstein field equations. It is fully consistent with Wigner’s solid-state physics and Ashmore’s physics which predict the crystallization of free electrons at very low temperatures and the interaction with photons of light without scattering and blurring effects. The outcome of this inquiry fully matches the observational data given by the redshift-independent extragalactic distances (NED-D) and by the Chandra/XMM-Newton database of quasars for a specific density of matter in the Universe.
Patient satisfaction after total hip arthroplasty: Influencing factors
Authors: Shao Zhuce , Bi Shuxiong
Published: January 2023

It is reported that the dissatisfaction rate after primary total hip arthroplasty (THA) is between 7% and 20%. Patient satisfaction has already become a public health problem that puzzles the world, and it is a problem to be solved that cannot be ignored in the development of global public health. The purpose of this paper is to conduct a narrative review of the literature to answer the following questions: what are the main factors leading to high patient satisfaction or dissatisfaction after THA? The literature on patient satisfaction after THA was reviewed. As far as we know, there is no such detailed and timely overview of THA satisfaction as this article, and the purpose articles we use search engines to search are all RCT (Randomized Controlled Trial) type works, excluding cross-sectional studies and other experiments with low evidence level. Hence, the quality of this article is high. The search engines used are MEDLINE (PubMed) and EMBASE. The keywords used are “THA” and “satisfaction.” The main preoperative, perioperative, and postoperative factors that affect patient satisfaction are summarized in detail below.
Implant loosening following THA with S-ROM prosthesis and subtrochanteric osteotomy: Three case reports
Authors: Ma Yingkai , Ma Xinnan , Cheng Shi , Lv Songcen , Qi Xin
Published: January 2023

Prosthesis loosening after THA is a rather common complication. For DDH patients with Crowe IV, the surgical risk and complexity is significant. THA with S-ROM prosthesis combined with subtrochanteric osteotomy is a common treatment. However, loosening of a modular femoral prosthesis (S-rom) is uncommon in THA and has a very low incidence. With modular prostheses distal prosthesis looseness are rarely reported. Non-union osteotomy is a common complication of subtrochanteric osteotomy. We report three patients with Crowe IV DDH who developed prosthesis loosening following THA with an S-ROM prosthesis and subtrochanteric osteotomy. We addressed the management of these patients and prosthesis loosening as likely underlying causes.
Cervical lymphadenopathy as initial presentation of metastatic prostate cancer: A retrospective study of five cases and literature review
Authors: Liu Yangyang , Dai Zhihong , Hao Jiange , Wang Liang , Liu Zhiyu
Published: January 2023

Cervical lymphadenopathy as the initial presentation of metastatic prostate cancer is particularly uncommon, and easily misdiagnosed. In the current study, we describe five cases of metastatic prostate cancer in our hospital that presented with cervical lymphadenopathy as an initial symptom. The diagnosis was confirmed by needle biopsy of the suspicious lymph nodes and the serum prostate specific antigen (PSA) levels of all patients exceeded 100 ng/ml. The five patients were treated with hormonal therapy; four received traditional hormonal therapy, including bicalutamide and goserelin; one patient received hormonal therapy that included abiraterone and goserelin. Case 1 developed into castration-resistant prostate cancer (CRPC) after 7 months and died after 12 months. Case 2 rejected regular hormonal therapy for personal reasons and died 6 months after the initial diagnosis. Case 3 was still alive at the time of writing. Case 4 was administered with abiraterone, prednisolone and goserelin; the treatment was effective and the patient has remained symptom-free for the last 24 months. Case 5 was treated with hormonal and chemotherapy but died 8 months after diagnosis. In conclusion, any elderly male presenting with cervical lymphadenopathy should be considered the possibility of prostate cancer, especially when the needle biopsy reveals adenocarcinoma. The prognosis for patients presented with cervical lymphadenopathy as the initial presentation is usually poor. Hormone therapy based on abiraterone may yield a better response in such cases.
Structural change in feedlot cattle death loss rates
Authors: Buda Mark , Raper Kellie Curry , Riley John Michael , Peel Derrell S.
Published: January 2023

Introduction

Industry reports and anecdotal evidence indicate that the death loss rate in cattle feedlots has increased over time. Such increases in death loss rates impact feedlot cost and thus profitability.

Objectives

The primary objective of this study is to examine whether feedlot death loss rates in cattle have changed over time, to analyze the nature of any identified structural change, and to identify possible catalysts for that change.

Methods

Data from the Kansas Feedlot Performance and Feed Cost Summary from 1992 through 2017 is used to model feedlot death loss rate as a function of feeder cattle placement weight, days on feed, time, and seasonality in the form of monthly dummy variables. Commonly used tests of structural change, including the CUSUM, CUSUMSQ, and Bai and Perron methods, are implemented to examine the existence and nature of any structural changes in the proposed model. All tests indicate the presence of structural breaks in the model, including both systematic change and abrupt change. Following a synthesis of structural test results, the final model is modified to include a structural shift parameter for the period from December 2000 to September 2010.

Results

Models indicate that days on feed has a significant positive influence on death loss rate. Trend variables indicate that death loss rates have increased systematically over the period studied. However, the structural shift parameter in the modified model is positive and significant for December 2000 to September 2010, indicating that death loss is higher on average during this period. Variance of death loss percentage is also higher during this period. Parallels between evidence of structural change and possible industry and environmental catalysts are also discussed.

Conclusions

Statistical evidence does indicate changes in the structure of death loss rates. Ongoing factors such as changes in feeding rations prompted by market forces and feeding technologies may have contributed to systematic change. Other events, such as weather events and beta agonist use could result in abrupt changes. No clear evidence directly connects these factors to death loss rates and disaggregated data would be required to facilitate such a study.
The role of CYP2C9*2, CYP2C9*3 and VKORC1-1639 variants on the susceptibility of upper gastrointestinal bleeding: A full case-control study
Authors: Forgerini Marcela , Urbano Gustavo , De Nadai Tales Rubens , Batah Sabrina Setembre , Fabro Alexandre Todorovic , De Carvalho Mastroianni Patrícia
Published: January 2023

Purpose: To investigate whether interindividual variability in the CYP2C9 (*2 and *3 alleles) and VKORC1 (rs9923231) genes is associated with increased risk of upper gastrointestinal bleeding (UGIB) in users of non-steroidal anti-inflammatory drugs (NSAIDs) or low-dose aspirin (LDA).

Methods: A full case-control study including 200 cases of patients diagnosed with UGIB and 706 controls was conducted in a Brazilian hospital complex. To perform an analysis of NSAIDs dose-effect, the defined daily dose (DDD) for NSAIDs was calculated in the 7-day etiologic window preceding the data index. Three categories of DDD, considering the genotypes of the genetic variants, were established: non-users of NSAIDs (DDD = 0), DDD ≤0.5, and DDD >0.5. Genetic variants and LDA or NSAIDs use synergism was estimated through Synergism Index (SI) and Relative Excess Risk Due To Interaction (RERI).

Results: For DDDs of NSAIDs upward of 0.50, a risk of UGIB was identified in carriers of the *3 allele (OR: 15,650, 95% CI: 1.41–174.10) and in carriers of the variant homozygous genotype (TT) of rs9923231 (OR: 38,850, 95% CI: 2.70–556.00). In LDA users, the risk of UGIB was observed to be similar between carriers of the wild type homozygous genotype and carriers of the variant alleles for the CYP2C9 and VKORC1 genes. No synergism was identified.

Conclusion: Our findings suggest an increased risk of UGIB in carriers of the variant allele of rs9923231 and in carriers of the *3 allele associated with doses of NSAIDs greater than 0.5. Hence, the assessment of these variants might reduce the incidence of NSAIDs-related UGIB and contribute to the safety of the NSAIDs user.
UAV Path Planning and Obstacle Avoidance Based on Reinforcement Learning in 3D Environments
Authors: Tu Guan-Ting , Juang Jih-Gau
Published: January 2023

This study proposes using unmanned aerial vehicles (UAVs) to carry out tasks involving path planning and obstacle avoidance, and to explore how to improve work efficiency and ensure the flight safety of drones. One of the applications under consideration is aquaculture cage detection; the net-cages used in sea-farming are usually numerous and are scattered widely over the sea. It is necessary to save energy consumption so that the drones can complete all cage detections and return to their base on land. In recent years, the application of reinforcement learning has become more and more extensive. In this study, the proposed method is mainly based on the Q-learning algorithm to enable improvements to path planning, and we compare it with a well-known reinforcement learning state–action–reward–state–action (SARSA) algorithm. For the obstacle avoidance control procedure, the same reinforcement learning method is used for training in the AirSim virtual environment; the parameters are changed, and the training results are compared.
Automatic Optimization for Compliant Constant Force Mechanisms
Authors: Tong Zongdi , Zhang Xiaozhi , Wang Guangwei
Published: January 2023

This paper presents an automatic optimization method for compliant constant force mechanisms, which eliminates the need for time-consuming parameter tuning and complex model design in the conventional design process. The proposed optimization framework is based on the finite-element analysis (FEA) and multi-objective genetic algorithm (MOGA) methods and is designed in two steps: First, the preliminary mechanism design is carried out to roughly encompass the specified constant force objective; then, the preliminary model is optimized by applying a MOGA based on FEA results. The optimized model can achieve the desired performance automatically while achieving a larger constant force stroke, which is verified by performing FEA simulations and experimental studies. The experimental results demonstrate that the designed CFMs increase the constant force stroke by 16.3% while achieving the specified design accuracy compared to the preliminary prototype.
Impact of Industry 4.0 on Companies: Value Chain Model Analysis
Authors: Kohnová Lucia , Salajová Nikola
Published: January 2023

Although the concept of Industry 4.0 is newer, more and more companies are responding to this concept and incorporating it into their business models. Industry 4.0 arose as a result of the development of new technologies based on automation, through which technologies can communicate with each other. The aim of this study is to analyze the impact of Industry 4.0 on companies from the point of view of the value chain model. The study points out why the model is a suitable tool for evaluating changes. The research consisted of 1164 respondents, while the sample consisted of 591 Czech companies and 573 Slovak companies. We found that 62% of companies carry out activities in the field of robotization and automation to a large extent, and 32% carry out these activities little or not at all. Regarding the impact of Industry 4.0 on individual activities in the value chain, we found that companies expect the greatest impact on technological development (secondary activity) and customer service (primary activity). On the contrary, they least expect the impact of Industry 4.0 in the primary activities of input logistics and operation. From this point of view, we can say that companies perceive the impact of Industry 4.0 on the activities taking place in their value chains. However, it is important to capture these changes, react appropriately to them and remain competitive.
Exploring Consumer Behavior and Brand Management in the Automotive Sector: Insights from a Digital and Territorial Perspective
Authors: Rodrigues Diana , Sousa Bruno , Gomes Sofia , Oliveira José , Lopes Eunice
Published: January 2023

Human beings are strongly influenced by their emotions; so, it is believed that building a close relationship between consumers and brands is a key factor for success. In this way, car brands are no exception, and despite facing numerous challenges associated with the energy transition, they have to reinvent themselves, retaining a focus on offering a unique and personalized experience for the consumer without forgetting the factors that influence the decision-making process. Therefore, current research aims to understand the relationship between brand love and other behavioral constructs, including brand attachment, brand satisfaction, brand loyalty, and positive word of mouth, as well as its influence on consumer behavior in the Portuguese automotive market, more specifically regarding the brands Audi, BMW, and Mercedes-Benz. Based on the literature review, a questionnaire survey was conducted on a group of 324 respondents. From this sample, it was possible to develop a conceptual model and formulate six research hypotheses. The results reveal that brand attachment and satisfaction have a positive influence on brand love, which has a positive influence on brand loyalty and positive word of mouth. In addition, brand attachment is positively related to brand loyalty, which has a positive impact on loyalty. Therefore, this article presents some insights from the perspective of digital marketing (i.e., e-WOM and social networks) and territory management (i.e., notoriety and positioning of territories). In the end, the limitations of the study will be presented, and guidelines for future research will be outlined.
The Persistent Constraints of New Public Management on Sustainable Co-Production between Non-Profit Professionals and Service Users
Authors: McMullin Caitlin
Published: January 2023

In this paper, I explore whether and how New Public Management (NPM) inhibits the long-term sustainability of co-production between non-profit practitioners and service users in the United Kingdom. I show how the key elements of NPM (contracts and competitive tendering, performance measurement, a pressure for non-profits to become more ‘business-like’, and the framing of citizens as ‘customers’) provide distinct barriers for non-profits to engage in co-production over the longer term, inhibiting the long-term creation of value for citizens. Through an analysis of seven case study organisations, this paper contributes to building theory about the sustainability of co-production, the factors that shape enduring co-production, and the compatibility/incompatibility of NPM tools with co-production.
Feminist Emergence in a Traditionally Male Industry: Case from Jordan—The Jordanian Banking Industry
Authors: Alsayyed Niveen Mazen , Randall Julian
Published: January 2023

Purpose: This research explored the role of female managers as change agents and the “problem of making women visible,” specifically in top management positions in in Jordanian banking industry. Methods: This research design is built on the basis of qualitative research, analyzing the perceptions in the mind of research subjects. Interviews were conducted with 32 participants from the Jordanian banking industry. Findings: Our research has revealed different and important insights into the changing role of Jordanian female workers, not only in such a male-dominant industry but also more broadly in Jordan’s wider society, in which the Arab masculine culture has been dominant. The positive impact of increased acceptance of females’ roles is significantly evident in our research, and we support the assertion that women can survive and prosper in the face of Arab or Eastern culture traditions. In addition, we asserted that females’ managers are deemed to be internal change agents through their knowledge, experience, and leadership traits and behavior. Conclusions: We shed the light on emancipation, in which females have had the opportunity to cross previous social and taken-for-granted boundaries, and which has eroded gender-biased boundaries and behavior as a response to the situational demands.
Supply Chain Resilience and Operational Performance: The Role of Digital Technologies in Jordanian Manufacturing Firms
Authors: Alkhatib Saleh Fahed , Momani Rahma Asem
Published: January 2023

This study aims to analyze the relationship between supply chain resilience (SCR) practices and operational performance and the moderating role of digital technologies in Jordanian manufacturing firms. A descriptive-analytical approach was adopted using a questionnaire based on the study model and previous related literature. Four hundred supply chain (SC)-related managers within seventy-one firms were reached to collect the needed data; three hundred and seventy-two complete questionnaires were analyzed. The results revealed that the level of SCR practices and operational performance was high; SCR (with its sub-dimensions: SC agility (SCA), SC flexibility (SCF), and SC collaboration (SCC)) had a significant positive relationship with operational performance; and the appropriate use of digital technologies had a significant moderating impact on the aggregate level of the SCR–operational performance relationship. Finally, research limitations, practical implications, and future research conclude this study.
An Experimental Study on Rotor Aerodynamic Noise Control Based on Active Flap Control
Authors: Hu Zhiyuan , Liu Yang , Shi Yongjie , Xu Guohua
Published: January 2023

Reducing rotor aerodynamic noise is an important challenge in helicopter design. Active flap control (AFC) on rotors is an effective noise reduction method. It changes the segment airfoil shape, aerodynamic load distribution, and the wake path of the rotor flow by adding trailing edge flaps (TEFs). Although AFC noise reduction control is easily simulated, the relevant experiments have not been widely conducted due to test technical problems and limited financial support. The acoustic characteristics of the AFC-equipped rotor, such as the placement of TEFs for noise reduction and whether multiple winglets can provide a better effect than single winglets, have not been verified in previous experiments. In this work, an AFC-equipped rotor with two TEFs was designed, and its acoustic properties were tested in the FL-17 acoustic wind tunnel with microphone arrays in the far field. The results showed that the noise reduction effect of AFC was closely related to the control frequency and phase. Increasing the control phase could move the reduction region toward the azimuth-decreasing region for far-field noise. The noise reduction in a single outboard TEF was better than that in a single inboard TEF, while the dual-TEF model performed better. In this experiment, the average noise reduction in the observation point at the lower front of the rotor could be more than 3 dB, and the maximum noise reduction could be 6.2 dB.
Aerodynamics and Power Balance of a Distributed Aft-Fuselage Boundary Layer Ingesting Aircraft
Authors: Tse Tze , Hall Cesare
Published: January 2023

This paper presents a first investigation into the aerodynamics and performance breakdown of a distributed aft-fuselage boundary layer ingesting (BLI) tube-and-wing aircraft using fully coupled Unsteady Reynolds-Averaged Navier-Stokes (URANS) calculations that resolve the complete fan and installation geometries. Through the URANS simulations, the interaction between the turbulence from the fuselage boundary layer (BL) and the BLI propulsor is identified as an area that warrants further research. Using the URANS approach, the ingested turbulence leads to a 4.5% reduction in the propulsor stage total–total isentropic efficiency. A mechanical power balance has been drawn up to compare the power sources and sinks throughout the installation and propulsor for two test cases with different thicknesses of ingested BL. The test case with a thinner BL was found to generate significantly more dissipation in the BL development upstream of the propulsor, the flow separation over the outer cowl, and the interaction between the reversed flow over the cowl and the propulsor exhaust jet. Due to this increase in dissipation, the case with thinner ingested BL consumes 7% more power relative to a baseline case with thicker BL, representative of the upstream fuselage at cruise. This demonstrates the importance of matching the installation with the incoming fuselage BL.
Design and Shape Monitoring of a Morphing Wing Trailing Edge
Authors: Shi Xintong , Yang Yu , Wang Zhigang , Zhang Sheng , Sun Xiasheng , Feng Wei
Published: January 2023

The morphing wing trailing edge is an attractive aviation structure due to its shape-adaptive ability, which can effectively improve the aerodynamic performance of an aircraft throughout the whole flight. In this paper, a mechanical solution for a variable camber trailing edge (VCTE) based on a multi-block rotating rib is proposed. Parametric optimizations are conducted to achieve the smooth and continuous deformation of the morphing rib. A prototype is designed according to the optimized results. In addition, the deformations of the trailing edge are monitored via an indirect method using a fiber Bragg grating (FBG) sensor beam. Finally, ground tests are performed to investigate the morphing capacity of the VCTE and the shape monitoring ability of the proposed method. Our results indicate that a maximum deflection range from 5° upward to 15° downward can be obtained for the VCTE and the indirect sensing system can satisfactorily monitor the deformation of the trailing edge.
Sodium Lignosulfonate Effect on Physiological Traits of Cucumis sativus L. Seedlings
Authors: Ikkonen Elena , Yurkevich Maria , Kaznina Natalia , Krasilnikov Pavel
Published: January 2023

The application of pulp and paper mill sludge to agricultural soils is commonly considered as a strategy to improve soil properties, promote plant growth, and reduce the demand for costly chemical fertilization. The aim of this study was to evaluate if sodium lignosulfonate (sLS), one of the sludges of pulp production, may affect the biomass production, the respiration (R) and net CO2 assimilation rate (An) at the leaf level, and the content and accumulation of trace elements in the leaves of cucumbers grown under a sufficient nutrient supply or soil nutrient deficit. A pot culture experiment was conducted using sLS application rates of 0, 1.0, 2.5, 5.0, and 10 vol% to sandy loam soil. The decline in nutrient availability caused an increase in the R/An ratio and dramatically depressed biomass accumulation. The leaf Fe, Ni, Cr, Co, Al, and Pb contents were lower under low nutrient availability than under sufficient nutrient supply. Although sLS was not very effective in lessening the negative effect of nutrient deficiency on biomass accumulation, it reduced respiratory carbon losses and cell membrane permeability in the leaves of cucumbers grown under nutrient deficit. The reduction in the toxic level of leaf Mn in seedlings grown under sufficient nutrient availability and the toxic level of leaf Fe under a nutrient deficit might also be considered as a positive effect of the sLS application to sandy soil.
Development and Validation of a Multilingual Lexicon as a Key Tool for the Sensory Analyses and Consumer Tests of Blueberry and Raspberry Fruit
Authors: Lippi Nico , Senger Elisa , Karhu Saila , Mezzetti Bruno , Cianciabella Marta , Denoyes Beatrice , Sönmez Duygu Ayvaz , Fidelis Marina , Gatti Edoardo , Höfer Monika , Kafkas Nesibe Ebru , Mazzoni Luca , McCallum Susan , Olbricht Klaus , Orsucci Saverio , Osorio Sonia , Pinczinger Dora , Predieri Stefano , Rokka Susanna , Sánchez-Sevilla José Federico , Savini Gianluca , Soria Carmen , Usadel Björn , Zucchi Paolo , Chiara Medoro
Published: January 2023

A comprehensive lexicon is a necessary communication tool between the panel leader and panelists to describe each sensory stimulus potentially evoked by a product. In the current scientific breeding and trading scenario, a multilingual sensory lexicon is necessary to ensure the consistency of sensory evaluations when tests are conducted across countries and/or with international panelists. This study aimed to develop a reference multilingual lexicon for raspberry (Rubus idaeus L.) and blueberry (Vaccinium corymbosum L.) to perform comparative sensory tests through panels operating in different countries using their native language. Attributes were collected from state-of-the-art literature and integrated with a detailed description of the sensory stimulus associated with each term. A panel of sensory judges was trained to test lexicon efficacy. After training, panelists evaluated three cultivars of blueberry and raspberry through RATA (Rate All That Apply), which allowed missing attributes to be excluded while rating those actually present. Results showed the discerning efficacy of the lexicon developed can be a valuable tool for planning sensory evaluations held in different countries, opening up further possibilities to enrich blueberry and raspberry descriptor lists with emerging terms from local experience and evaluations of berry genotypes with peculiar traits.
Fodder Grass Strips: An Affordable Technology for Sustainable Rainfed Agriculture in India
Authors: Pushpanjali  , Samuel Josily , Pankaj Prabhat Kumar , Reddy Konda Srinivas , Karthikeyan Karunakaran , Reddy Ardha Gopala Krishna , Rohit Jagriti , Sammi Reddy Kotha , Singh Vinod Kumar
Published: January 2023

Rainfed agriculture, though resource-poor, contributes to around 40 percent of total food production in India. Fodder grass-strip-based systems improve soil’s physical and biological properties, control soil erosion, and help in slope stabilization without compromising productivity. Permanent fodder grass strips can effectively check the depletion of soil nutrients and can also act as sediment traps vis-à-vis meeting the green fodder requirement for small ruminants. This study was carried out with the major objective to quantify the impact of grass-strip-based cropping systems on soil quality. Further fodder quality assessment was carried out using the grass quality index for small ruminant feed and the profitability of different treatments was analyzed. Random block design (RBD) with three treatments which included two types of fodder grass (Brachiaria ruziziensis and Stylosanthes hamata) on both sides of the cropped field was used for the study. The results showed that the soil quality increased from 0.39 to 0.52 and the runoff reduced significantly with soil loss reduction by 65-70 percent. The fodder quality assessment showed that the palatability of Stylosanthes hamata and Brachiaria ruziziensis was about 65 percent and 40 percent, respectively. The fodder grass strip increased the net returns by 30 percent. This easily adaptable natural resource management technology reduces soil nutrient loss and will help resource-poor rainfed farmers to maintain soil health and productivity under variable rainfall conditions with fair support to small ruminants.