Research gap analyses

Showing 361–420 of 1,987 gap analyses · page 7 of 34

• Further studies can be conducted to analyze the seismic behavior of other regions. Further studies can be conducted to improve the accuracy of fault slip and deformation estimates. Further studies can

  The map's technical infrastructure is limited and inadequate compared to modern standards. The analysis is based on archival research and may not reflect the current situation. The paper does not provide a comprehensive analysis of the map'

  Earth Science · 5 papers · avg 2026 · weak evidence
• Nevertheless, when the results of this meta-analysis are considered along with findings from other relevant research conducted during the past 20 years, it seems clear that the practice of treating ju

  Nevertheless, when the results of this meta-analysis are considered along with findings from other relevant research conducted during the past 20 years, it seems clear that the practice of treating juveniles as adults should be limited to t

  Engineering · 5 papers · avg 2000.7 · weak evidence
• Aiming to structure the academic debate and to demonstrate practical use cases of social media in crisis communication, we present in this metastudy the disciplinary embedment, topical foci, challenge

  Aiming to structure the academic debate and to demonstrate practical use cases of social media in crisis communication, we present in this metastudy the disciplinary embedment, topical foci, challenges, and research gaps in the literature a

  General · 5 papers · avg 2023.3 · weak evidence
• The paper identifies a gap in the existing literature on the Navier–Stokes equations. The manuscript addresses the lack of a non-PDE-native mathematical route to the official periodic problem.

  The paper identifies a gap in the existing literature on the Navier–Stokes equations. The manuscript addresses the lack of a non-PDE-native mathematical route to the official periodic problem.

  Mathematics · 5 papers · avg 2026 · weak evidence
• There is a gap in fisheries research in West Africa, particularly in certain geographical areas. Global research effort in fisheries science has not been aligned with global fisheries production and t

  There is a gap in fisheries research in West Africa, particularly in certain geographical areas. Global research effort in fisheries science has not been aligned with global fisheries production and the needs of less developed countries.

  Earth Science · 5 papers · avg 1997.9 · weak evidence
• Penelitian ini merekomendasikan penelitian lebih lanjut untuk mengembangkan kebijakan pemasyarakatan yang efektif. Penelitian ini juga merekomendasikan penelitian lebih lanjut untuk meningkatkan kapas

  Penelitian ini merekomendasikan penelitian lebih lanjut untuk mengembangkan kebijakan pemasyarakatan yang efektif. Penelitian ini juga merekomendasikan penelitian lebih lanjut untuk meningkatkan kapasitas dan pengawasan independen dalam pen

  General · 5 papers · avg 2026 · weak evidence
• The study identifies a gap in the understanding of how liberal Orthodox Jews construct their social collective identity through interactions with other Jewish groups in South Jerusalem. The research h

  Further analysis of testaments from other regions could provide a broader understanding of religious identity during this period. A comparison of the findings with other studies of popular culture and religious identity could provide insigh

  General · 5 papers · avg 1990.3 · weak evidence
• Abstract Topic Esophageal Cancer: Surgical Treatment of Esophageal Cancer – technique Background Uniportal robotic-assisted minimally invasive esophagectomy has demonstrated perioperative safety in pr

  Abstract Topic Esophageal Cancer: Surgical Treatment of Esophageal Cancer – technique Background Uniportal robotic-assisted minimally invasive esophagectomy has demonstrated perioperative safety in preliminary experience; however, its oncol

  Medicine · 5 papers · avg 2026 · weak evidence
• There is a lack of data on microplastic pollution in the Northern Amazon. There is a need to investigate the spatial and seasonal variability of microplastic pollution. There is a need to identify the

  There is a lack of data on microplastic pollution in the Northern Amazon. There is a need to investigate the spatial and seasonal variability of microplastic pollution. There is a need to identify the dominant polymer types present in fresh

  Physics · 5 papers · avg 2025.4 · weak evidence
• The study identifies a gap in the analysis of the constitutional and democratic model of simultaneous general elections in Indonesia. The study identifies a gap in the use of a normative legal researc

  The study identifies a gap in the analysis of the constitutional and democratic model of simultaneous general elections in Indonesia. The study identifies a gap in the use of a normative legal research type with a statutory and conceptual a

  Social Science · 5 papers · avg 2026 · weak evidence
• The complex geology of the study area poses challenges for foundation design and construction. The lack of understanding of the microstructure of soil-cement mixtures poses challenges for optimizing c

  The complex geology of the study area poses challenges for foundation design and construction. The lack of understanding of the microstructure of soil-cement mixtures poses challenges for optimizing cement content.

  Agriculture · 5 papers · avg 2025.8 · weak evidence
• Plants host diverse microbial communities that critically influence host health, yet the ecological and functional principles governing microbial assembly in natural environments remain poorly underst

  IMPORTANCE The developmental stage significantly influences crop-associated bacterial communities, but the relative importance of bacterial communities in different compartments to crop yields across various stages is still not well underst

  Agriculture · 5 papers · avg 2023.8 · weak evidence
• The complexity of metabolic pathways and enzymatic mechanisms of LAB, - The influence of microbial interactions and environmental factors on flavor biosynthesis, - The need for sustainable flavor enha

  BACKGROUND: Fermentation plays a critical role in determining the quality and aroma of cigar tobacco; however, the interactions between phyllospheric microbial succession and volatile flavor compound (VFC) formation remain insufficiently un

  Chemistry · 5 papers · avg 2024.4 · weak evidence
• Due to the complex interactions between catalyst components, the design of novel catalysts has long relied on trial-and-error, a costly and labor-intensive process that results in scarce data that is

  Due to the complex interactions between catalyst components, the design of novel catalysts has long relied on trial-and-error, a costly and labor-intensive process that results in scarce data that is heavily biased toward undesired, low-yie

  Chemistry · 5 papers · avg 2025.4 · weak evidence
• The development of new catalysts and catalytic processes. The application of green chemistry and catalysis to various industrial processes. The investigation of the environmental and health impacts of

  The development of new catalysts and catalytic processes. The application of green chemistry and catalysis to various industrial processes. The investigation of the environmental and health impacts of green chemistry and catalysis.

  Chemistry · 5 papers · avg 2025.4 · weak evidence
• The lack of sufficient spatial resolution and systematic accuracy in satellite-based precipitation products. The limited spatial coverage of ground-based meteorological stations. The need for a multid

  Representing temperatures in complex terrain, such as mountains and coastlines, is a challenge for climate models. Observational uncertainty complicates bias assessment. Extreme precipitation remains particularly difficult to capture.

  Earth Science · 5 papers · avg 2026 · weak evidence
• The properties of altermagnets are still largely restricted to their Hermitian features. The impact of dissipation on the spin accumulation in these systems is not well understood. There is a need to

  The lack of understanding of surface states in altermagnets. The absence of a universal symmetry criterion for emergent altermagnetism at collinear magnetic boundaries. The need for a systematic study of the symmetry relations between bulk

  Physics · 5 papers · avg 2025.2 · weak evidence
• There is a need to balance yield increases with environmental sustainability in food production. Conventional food production systems have environmental drawbacks. Diversifying crop rotation can poten

  There is a need to balance yield increases with environmental sustainability in food production. Conventional food production systems have environmental drawbacks. Diversifying crop rotation can potentially address these challenges.

  Agriculture · 5 papers · avg 2025.4 · weak evidence
• Our findings highlight strong interactions between soil respiration, CH4 emissions and N cycling in drained tropical peatlands, warranting further investigation to constrain GHG process-based modellin

  Our findings highlight strong interactions between soil respiration, CH4 emissions and N cycling in drained tropical peatlands, warranting further investigation to constrain GHG process-based modelling.

  Agriculture · 5 papers · avg 2024.6 · weak evidence
• Although nitrogen (N) cycling processes are fundamental to the functioning of wetland ecosystems, the effects and underlying mechanisms of plant diversity on soil N cycling remain insufficiently under

  Although nitrogen (N) cycling processes are fundamental to the functioning of wetland ecosystems, the effects and underlying mechanisms of plant diversity on soil N cycling remain insufficiently understood.

  Agriculture · 5 papers · avg 2025.8 · weak evidence
• There is a need for further optimization of the transesterification process for efficient biodiesel production from used cooking oil. The effects of reaction time and stirring speed on biodiesel yield

  There is a need for further optimization of the transesterification process for efficient biodiesel production from used cooking oil. The effects of reaction time and stirring speed on biodiesel yield and quality need to be investigated.

  Chemistry · 5 papers · avg 2025.8 · weak evidence
• The reference benchmark thus functions as a neutral analytical baseline rather than as a performance standard.

  is carried out through benchmarking against existing literature and reference data to ensure computational

  Computer Science · 5 papers · avg 2026 · weak evidence
• There is a need to understand the spatiotemporal variability, physical drivers, and ecological impacts of concurrent marine–atmosphere heatwaves. The compounding effect of concurrent heatwaves on mari

  Abstract Concurrent heatwaves and extreme sea levels could pose a serious threat to coastal communities under climate change; however, the spatiotemporal characteristics and dynamic evolution of them along global coastline remain poorly und

  Earth Science · 5 papers · avg 2025.1 · weak evidence
• Peneliti selanjutnya diharapkan dapat mengembangkan penelitian serupa pada materi, jenjang pendidikan, dan variabel yang berbeda dengan cakupan sampel yang lebih luas. Penelitian ini dapat dijadikan s

  Peneliti selanjutnya diharapkan dapat mengembangkan penelitian serupa pada materi, jenjang pendidikan, dan variabel yang berbeda dengan cakupan sampel yang lebih luas. Penelitian ini dapat dijadikan sebagai acuan untuk pengembangan model pe

  Engineering · 5 papers · avg 2026 · weak evidence
• The paper identifies a gap in the understanding of non-Kähler solvmanifolds. The authors note that there is a lack of knowledge about the existence of astheno-Kähler metrics on these manifolds.

  The paper identifies a gap in the understanding of non-Kähler solvmanifolds. The authors note that there is a lack of knowledge about the existence of astheno-Kähler metrics on these manifolds.

  Mathematics · 5 papers · avg 2026 · weak evidence
• The study faces the challenge of distinguishing autistic traits from autism spectrum disorder. The study must address the issue of inter-individual heterogeneity in autistic traits. The study needs to

  The study faces the challenge of distinguishing autistic traits from autism spectrum disorder. The study must address the issue of inter-individual heterogeneity in autistic traits. The study needs to overcome the limitation of prior studie

  Psychology · 5 papers · avg 2023.3 · weak evidence
• The relationship between perception of environmental crisis severity and ecological anxiety in adolescents and young adults has been examined in one study, but no research has tested whether intervent

  Ecological anxiety in young people has been studied through clinical and qualitative frameworks, but no study has applied ecological momentary assessment (EMA) or real-time experience sampling to capture how ecological worry fluctuates acro

  Psychology · 5 papers · avg 2024.2 · weak evidence
• Investigation of the molecular mechanisms underlying the effects of combined nutrient management strategies on sweet sorghum. Development of more efficient and sustainable nutrient management strategi

  Investigation of the molecular mechanisms underlying the effects of combined nutrient management strategies on sweet sorghum. Development of more efficient and sustainable nutrient management strategies for sweet sorghum cultivation.

  Agriculture · 5 papers · avg 2025.4 · weak evidence
• There is a need to evaluate the impact of intercropping on biodiversity in agroecosystems. The effects of Paulownia-buckwheat intercropping on various agroecosystem components are not well understood.

  Abstract Aims Root exudates mediate carbon (C) and nutrient exchange between plants and soil microorganisms, yet their responses to chronic tree decline remain poorly understood.

  Agriculture · 5 papers · avg 2025 · weak evidence
• The need for combined irrigation methods to address challenges in agricultural land with unfavorable natural and climatic zones. The lack of efficient irrigation methods in areas with complex microrel

  The lack of sustainable irrigation systems in rural communities. The reliance on fossil fuels for irrigation systems. The need for cost-effective and environmentally friendly alternatives to diesel pumps.

  Agriculture · 5 papers · avg 1999.7 · weak evidence
• One of the challenges is the high diversity and interpersonal variability of the vaginal and endometrial microbiomes. Another challenge is the lack of consensus on a core microbiota. The paper also id

  One of the challenges is the high diversity and interpersonal variability of the vaginal and endometrial microbiomes. Another challenge is the lack of consensus on a core microbiota. The paper also identifies the challenge of distinguishing

  Biology · 5 papers · avg 2025 · weak evidence
• The need for novel biomaterials with improved mechanical properties and antimicrobial action. The lack of effective treatments for dentine damage. The potential for ZnO nanoparticles to enhance the ma

  Despite considerable experimental advancements, the fundamental mechanisms at the nanoscale remain inadequately understood concerning the effects of nanoparticle dispersion, bonding, and functionalization on the bulk mechanical properties.

  Chemistry · 5 papers · avg 2025.2 · weak evidence
• Understanding and controlling surface reconstruction is critical for advancing oxygen evolution reaction (OER) electrocatalysis, yet precise strategies to steer this dynamic process and generate highl

  Nickel–iron-based catalysts are recognized for their high efficiency in the oxygen evolution reaction (OER) under alkaline conditions, yet the underlying mechanisms that drive their superior performance remain unclear.

  Chemistry · 5 papers · avg 2024.8 · weak evidence
• One of the most critical challenges regarding solid-state batteries is electrode/electrolyte interfacial impedance. Inorganic electrolytes suffer from high electrode/electrolyte interfacial impedance

  The performance of lithium metal batteries can be significantly enhanced by incorporating fluorinated ether-based electrolytes, yet the solid electrolyte interphase (SEI) formation mechanism on lithium metal surfaces remains elusive.

  Chemistry · 5 papers · avg 2025.3 · weak evidence
• The lack of consideration of atmospheric feedback in land surface models leads to overestimation of evapotranspiration. The current land surface models do not accurately represent the effects of irrig

  The lack of consideration of atmospheric feedback in land surface models leads to overestimation of evapotranspiration. The current land surface models do not accurately represent the effects of irrigation on local atmospheric conditions.

  Earth Science · 5 papers · avg 2026 · weak evidence
• The complexity of the relationships between forest distributions and environmental variables. The need to account for spatial autocorrelation among occurrence points. The challenge of determining the

  The complexity of the relationships between forest distributions and environmental variables. The need to account for spatial autocorrelation among occurrence points. The challenge of determining the optimal threshold for binary classificat

  Earth Science · 5 papers · avg 2026 · weak evidence
• Amplified variability and abrupt reorganization of ecosystems under climate and land-use change. Limited understanding of the relationship between shrubs and ecosystem stability. Difficulty in reconst

  Amplified variability and abrupt reorganization of ecosystems under climate and land-use change. Limited understanding of the relationship between shrubs and ecosystem stability. Difficulty in reconstructing prehistoric population dynamics

  Earth Science · 5 papers · avg 2024.8 · weak evidence
• High Resolution Image Download MS PowerPoint Slide The optical characteristics of one-dimensional (1D) MoS 2 edges and folds at the grain level, acting as interfaces in diverse optoelectronic applicat

  High Resolution Image Download MS PowerPoint Slide The optical characteristics of one-dimensional (1D) MoS 2 edges and folds at the grain level, acting as interfaces in diverse optoelectronic applications, remain unexplored in contrast to t

  Physics · 5 papers · avg 2010 · weak evidence
• The biological underpinnings of subthreshold depression remain insufficiently understood. The relationship between gut microbiota and metabolic characteristics in subthreshold depression is not well c

  Despite the established phenomenon that psychological stress can be transmitted to offspring and the ability of maternal gut microbiota to colonize the offspring's gut through vertical transmission, the intricate relationships linking cross

  Psychology · 5 papers · avg 2025.4 · weak evidence
• The absence of consistent biomarkers complicates diagnosis of peripartum depression. Clinicians often rely solely on self-report tools, limiting their ability to capture continuous, real-time changes

  The absence of consistent biomarkers complicates diagnosis of peripartum depression. Clinicians often rely solely on self-report tools, limiting their ability to capture continuous, real-time changes and early emerging risk patterns. There

  Psychology · 5 papers · avg 2025.2 · weak evidence
• Soil physicochemical properties play a key role in plant growth and development; however, owing to land use change and successive planting, long-term changes in soil physicochemical properties are rar

  Soil physicochemical properties play a key role in plant growth and development; however, owing to land use change and successive planting, long-term changes in soil physicochemical properties are rarely reported.

  Agriculture · 5 papers · avg 2023.8 · weak evidence
• The accumulation of large amounts of manure and litter around livestock and poultry enterprises. The need for resource-saving technologies to conserve natural resources and prevent environmental pollu

  There are still many bottlenecks in effective manure utilization. The impact of waste from the animal production industry could be controlled and mitigated with appropriate measures. Governmental intervention via policies and measures is ne

  Agriculture · 5 papers · avg 2025.6 · weak evidence
• However, effective methodologies to define the optimal LED spectrum for maximizing growth across the full cultivation cycle - from seedling to fruit production - under controlled photoperiod condition

  However, effective methodologies to define the optimal LED spectrum for maximizing growth across the full cultivation cycle - from seedling to fruit production - under controlled photoperiod conditions (14 h light/10 h dark) with pulsed lig

  Agriculture · 5 papers · avg 2025.4 · weak evidence
• The study was conducted in a greenhouse, - The experiment was limited to two crop species and four weed species, - The study did not investigate the long-term effects of mineral nitrogen on crop-weed

  The study was conducted in a greenhouse, - The experiment was limited to two crop species and four weed species, - The study did not investigate the long-term effects of mineral nitrogen on crop-weed competition

  Agriculture · 5 papers · avg 2025.4 · weak evidence
• However, the mechanism underlying the interaction between root exudates and rhizosphere microorganisms in desert plants under drought conditions remains unclear, especially among closely related speci

  However, the mechanism underlying the interaction between root exudates and rhizosphere microorganisms in desert plants under drought conditions remains unclear, especially among closely related species.

  Agriculture · 5 papers · avg 2025.2 · weak evidence
• The effectiveness of organo-mineral fertilizers in Tanzanian tea-growing soils remains poorly understood. There is a need to evaluate the effects of different fertilizer formulations on nutrient uptak

  The effectiveness of organo-mineral fertilizers in Tanzanian tea-growing soils remains poorly understood. There is a need to evaluate the effects of different fertilizer formulations on nutrient uptake and yield in tea production.

  Agriculture · 5 papers · avg 2025.6 · weak evidence
• Investigate the effects of biostimulants on other crop species, - Examine the long-term effects of biostimulant application, - Explore the potential of biostimulants to enhance plant resilience to cli

  Investigate the effects of biostimulants on other crop species, - Examine the long-term effects of biostimulant application, - Explore the potential of biostimulants to enhance plant resilience to climate change

  Agriculture · 5 papers · avg 2025 · weak evidence
• The challenge of reducing Cd contamination in farmland soil. The difficulty of understanding the effects of intercropping systems on Cd removal from soil. The need to develop effective phytoremediatio

  The challenge of reducing Cd contamination in farmland soil. The difficulty of understanding the effects of intercropping systems on Cd removal from soil. The need to develop effective phytoremediation strategies using hyperaccumulators.

  Agriculture · 5 papers · avg 2025.5 · weak evidence
• In the absence of human intervention, it remains poorly understood how indigenous moso bamboo forests naturally expand into surrounding areas over the long term, and whether these patterns vary with e

  In the absence of human intervention, it remains poorly understood how indigenous moso bamboo forests naturally expand into surrounding areas over the long term, and whether these patterns vary with environmental changes.

  Agriculture · 5 papers · avg 2025.3 · weak evidence
• As a dominant land use in grasslands, grazing acts as a key driver of ecosystem structure and function, yet the responses of aggregate size distribution and stability to grazing intensity across soil

  Our meta‐analysis was able to reveal average patterns and the influence of local climate and soil properties on eco‐hydrological responses to grasslands modifications and replacements, which have not been previously described.

  Agriculture · 5 papers · avg 2022.2 · weak evidence
• The lack of a comprehensive assessment of overall soil quality restoration in soda saline-alkali soils. The need for a synergistic optimization of soil ecological functions and agricultural production

  To address the severe challenge of soil salinization, effective soil amelioration methods are urgently needed; however, current research on the microbial mechanisms of the combined application of multiple amendments is insufficient.

  Agriculture · 5 papers · avg 2025.3 · weak evidence
• Abstract Background and Aims While much research has focused on the benefits of cover crop diversity for crop productivity, there is limited evidence on how root diversity and species selection stabil

  Fertile soils have been an essential resource for humanity for 10,000 y, but the ecological mechanisms involved in the creation and restoration of fertile soils, and especially the role of plant diversity, are poorly understood.

  Agriculture · 5 papers · avg 2024.2 · weak evidence
• IMPORTANCE Although the tripartite interplay between plants, bacteria, and fungal endophytes, such as Epichloë , is recognized as vital for host fitness, the specific mechanisms through which these en

  IMPORTANCE Although the tripartite interplay between plants, bacteria, and fungal endophytes, such as Epichloë , is recognized as vital for host fitness, the specific mechanisms through which these endophytes shape associated bacterial comm

  Biology · 5 papers · avg 2026 · weak evidence
• Ferroptosis−associated inflammation activates myofibroblasts, which secrete matricellular proteins such as periostin and fibronectin. These proteins accumulate in the lung interstitium, and drive matrix

  Ferroptosis−associated inflammation activates myofibroblasts, which secrete matricellular proteins such as periostin and fibronectin. These proteins accumulate in the lung interstitium, and drive matrix stiffening and epithelial stress (129).

  Biology · 5 papers · avg 2025.4 · weak evidence
• Further investigation of ligand properties has led to tunable cyclization/cross-couplings (addition to the amide carbonyl vs 7- endo -cyclization) for the divergent synthesis of pharmacologically impo

  Further investigation of ligand properties has led to tunable cyclization/cross-couplings (addition to the amide carbonyl vs 7- endo -cyclization) for the divergent synthesis of pharmacologically important 2-benzazepine frameworks.

  Chemistry · 5 papers · avg 2023 · weak evidence
• The vast polymer space hinders commercialization of solid polymer electrolytes. Low ionic conductivity is a major limitation of solid polymer electrolytes. There is a need for a systematic evaluation

  The vast polymer space hinders commercialization of solid polymer electrolytes. Low ionic conductivity is a major limitation of solid polymer electrolytes. There is a need for a systematic evaluation scheme for polymer generation.

  Chemistry · 5 papers · avg 2024.2 · weak evidence
• The current devices face challenges in acquiring highly stable oxygen evolution reaction electrocatalysts under harsh industrial conditions. There is a need for highly stable and efficient electrochem

  The current devices face challenges in acquiring highly stable oxygen evolution reaction electrocatalysts under harsh industrial conditions. There is a need for highly stable and efficient electrochemical water-splitting devices.

  Chemistry · 5 papers · avg 2024.8 · weak evidence
• The development of suitable and low-cost catalysts for dry reforming of methane is a significant challenge. The high operating temperatures typically required and the occurrence of side reactions are

  The development of suitable and low-cost catalysts for dry reforming of methane is a significant challenge. The high operating temperatures typically required and the occurrence of side reactions are major issues associated with this proces

  Chemistry · 5 papers · avg 2025.7 · weak evidence
• Given the type and quality of data available in the scientific literature, there are still open questions on how machine learning can be used by experimentalists working in the field of catalysis to a

  Given the type and quality of data available in the scientific literature, there are still open questions on how machine learning can be used by experimentalists working in the field of catalysis to accelerate catalyst design.

  Chemistry · 5 papers · avg 2025.6 · weak evidence
• The development of efficient visible-light photocatalysts for dye degradation is a current research gap. The exploration of alternative materials to TiO₂ is necessary for sustainable and environmental

  The development of efficient visible-light photocatalysts for dye degradation is a current research gap. The exploration of alternative materials to TiO₂ is necessary for sustainable and environmentally friendly technologies.

  Chemistry · 5 papers · avg 2025.8 · weak evidence