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61,894
result(s) for
"Effect evaluation"
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Dessert Optimization and Oil Potential Analysis of M9 Block in W Oilfield
2023
This article first explains the fine structure of the M9 block, and the encryption equal value line is finely constructed into a diagram to identify the micro -amplitude structure. Use the block drilling to complete the inner plane and vertical distribution statistics of the block. Essence Using the seismic section interpretation technology, multi -attributes and detailed portrayal of the broken layer, implement the overall structural characteristics and TEZHEN characteristics of the block, carry out multi -attribute analysis and research on the oil layer sandstone group, preferably seismic attributes sensitive to the development of sandstone, and obtain each through the calculation of the well -shaking combination calculation. Unit sandstone thickness quantitative prediction diagram, analyze the characteristics of the oil and water distribution of the block, combine the favorable positions of the well deployment, combine the characteristics of the structure, the break, and the sandy body distribution, and prefer the dessert area. The original large sedimentation law understands that the “single structure favorable oil control zone” is required to re -evaluate the high -risk zone, and combine the fine structure interpretation with the sand body reservoir prediction. Improve the success rate of the evaluation control well in the dessert area, and follow the deployment of the block well after the guidance.
Journal Article
Evaluation of the Pressurized Exploitation Effect of the Ancient Gas Reservoir in the J Gas Field
2025
The Lower Paleozoic gas reservoir in J Gas Field belongs to a large-scale constant-volume gas accumulation, which is now faced with the issue of output decline. To achieve stable production maintenance and recovery improvement, pressure-amplifying exploitation practices have been carried out in this reservoir. This article is dedicated to different gas well types, combining the pre- and post-pressure-boosting production data for comprehensive evaluation, it uses indicators such as gas production, stable production capacity, production decline, pressure decline rate, contribution rate of secondary production layers, dynamic reserves and recovery degree of gas wells before and after pressure boosting to evaluate the effect of pressure-boosting exploitation on gas wells within J Gas Field’s Lower Paleozoic gas reservoir. The results show that after the gas reservoir is pressurized, the oil pressure decreases, the production increases, the stable production period lasts 2.4 years, with a 10.8% production rise recorded. The gas well productivity index ratio falls within 1.08–1.18. These results collectively indicate the successful implementation of pressure-boosting exploitation in J Gas Field’s Lower Paleozoic gas reservoir.
Journal Article
Cell-Free DNA: Hope and Potential Application in Cancer
by
Yan, Yan-yan
,
Zhou, Wen-min
,
Li, Jing-quan
in
cancer
,
Cell and Developmental Biology
,
cell-free DNA (cfDNA)
2021
Cell-free DNA (cfDNA) is easily accessible in peripheral blood and can be used as biomarkers for cancer diagnostics, prognostics, and therapeutics. The applications of cfDNA in various areas of cancer management are attracting attention. In this review article, we discuss the potential relevance of using cfDNA analysis in clinical oncology, particularly in cancer screening, early diagnosis, therapeutic evaluation, monitoring disease progression; and determining disease prognosis.
Journal Article
Construction of College English teaching effect evaluation model based on artificial intelligence and output-oriented approach
by
Li, Hongjie
2024
In order to improve the accuracy and efficiency of teaching effect evaluation results, this paper proposes a model design method for college English teaching effect evaluation based on output-oriented method in artificial intelligence environment. The standard deviation transformation and range transformation are used to standardize the English teaching data, and the fuzzy similarity matrix is established. The data are preliminarily classified and clustered according to the results of data standardization; Support vector machine is used to classify English teaching data to solve the problem of data imbalance; This paper evaluates the effect of college English teaching based on POA theory, follows the construction principle of evaluation index, constructs the evaluation index system of college English teaching effect, establishes the teaching effect evaluation model based on fuzzy comprehensive evaluation method, and improves the traditional fuzzy evaluation model with the idea of minimum membership weighted average deviation method to obtain the weight of evaluation index, so as to realize the evaluation of college English teaching effect. The experimental results show that the output-oriented method can effectively improve the level of English teaching, and the evaluation efficiency of this method is higher and the evaluation results are more accurate.
Journal Article
Climate-smart agricultural practices for enhanced farm productivity, income, resilience, and greenhouse gas mitigation: a comprehensive review
by
He, Quan
,
Zheng, Hongyun
,
Ma, Wanglin
in
Agribusiness
,
Agricultural management
,
Agricultural practices
2024
This study reviews the literature published between 2013 and 2023 to comprehensively understand the consequences of adopting climate-smart agricultural (CSA) practices. We categorize the literature into three categories based on the scopes of climate-smart agriculture: (a) sustainably increase agricultural productivity and incomes; (b) adapt and build the resilience of people and agrifood systems to climate change; and (c) reduce or where possible, avoid greenhouse gas emissions. The review demonstrates that adopting CSA practices, in many instances, improves farm productivity and incomes. This increase manifests in increasing crop yields and productivity, income and profitability, and technical and resource use efficiency. Moreover, adopting CSA practices reinforces the resilience of farmers and agrifood systems by promoting food consumption, dietary diversity, and food security and mitigating production risks and vulnerabilities. Adopting CSA practices is environmentally feasible as it reduces greenhouse gas emissions and improves soil quality. An integrative strategy encompassing diverse CSA practices portends an optimized avenue to chart a trajectory towards agrifood systems fortified against climatic change.
Journal Article
Experimental Study of Split Grouting Reinforcement Mechanism in Filling Medium and Effect Evaluation
2020
In view of the deficiency of the split grouting theory for the filling area, a 3D simulated grouting test system was designed to explore the slurry diffusion law, reinforcement mechanism of split grouting in a filling soil, and effect of grouting reinforcement. The test system included an experiment bench system, grouting system, and information monitoring system, using which experimental research on split grouting in a filling soil was conducted. The grouting model experiment procedure was introduced first, following which the diffusion rule of slurry in the filling medium and the reinforcement mechanism of split grouting were analyzed according to the properties and distribution characteristics of grouting veins after grouting reinforcement. Finally, a uniaxial compression test, light dynamic contact test, permeability test, and laboratory geotechnical test were conducted on the soil before and after grouting. The relationship between the zoning characteristics of different properties of veins and the mechanical properties of filling soil were discussed. The results showed that there were three types of grouting veins: trunk grouting, branch grouting, and permeable grouting. The injected soil body was strengthened by the three-stage grouting vein network of the mentioned vein types and the compaction between soils. After the grouting, the uniaxial compressive strength of the filling soil increased by an average of 186%, and the permeability coefficient decreased by an average of 47 times. The cohesion and internal friction angle increased by 45.3% and 44.9%, respectively. Additionally, density, water content, and other indicators of filling were improved. The bearing characteristics reflected by a dynamic contact test were consistent with the distribution of grouting veins. The research results offer significant guidance for the reinforcement mechanism of split grouting and the evaluation of the grouting effect.
Journal Article
From tradition to healing: the promise of acupuncture in managing chronic fatigue syndrome
by
Wang, Delong
,
Zhang, Miao
,
Feng, Chuwen
in
acupuncture and moxibustion treatment
,
curative effect evaluation
,
individualized treatment
2026
Chronic fatigue syndrome (CFS) is a global public health problem affecting more than 65 million patients worldwide. The combined prevalence rate of CFS was 45.2% after 4 weeks in patients with novel coronavirus. Women, people over 40 years of age, and low-income people are susceptible groups, which have a significant impact on immune, nervous, endocrine, and other system functions. First, from the perspective of epidemiology, this paper reviews the global epidemic trend of CFS, the differences in incidence and prevalence in different regions and populations, and risk factors such as heredity, infection, and childhood trauma. Second, the development of diagnostic techniques for CFS, including the evolution of clinical diagnostic criteria, research progress on immune and metabolic biomarkers, and the application of MRI and other imaging techniques in the diagnosis of CFS, is described, followed by an in-depth discussion of the genetics of CFS, including genetic susceptibility, genomic association, and familial aggregation. The pathophysiological mechanism of CFS was also analyzed, revealing abnormalities in NK cell function and immune factors in the immune system, dysfunction of the hypothalamic-pituitary-adrenal axis in the neuroendocrine system, and disorders of energy and lipid metabolism in the metabolic system. This paper focuses on the study of acupuncture and moxibustion treatment of CFS, traces back to the historical application of acupuncture and moxibustion treatment of CFS, analyzes the relationship between the pathological mechanism of CFS and acupuncture and moxibustion intervention, expounds the theoretical basis of traditional Chinese medicine and modern mechanism of action of acupuncture and moxibustion treatment, and introduces the results of clinical trials, efficacy evaluation methods, and individualized treatment strategies for acupuncture and moxibustion treatment of CFS. The innovative application of acupuncture techniques, such as electroacupuncture and acupoint catgut embedding, as well as the synergistic effect of acupuncture combined with traditional Chinese medicine and psychotherapy, are shown. At the same time, disputes and challenges in the efficacy, safety, and ethics of acupuncture treatment for CFS were pointed out, and future research directions, potential breakthroughs, and international cooperation opportunities of acupuncture treatment for CFS are discussed. This study provides a comprehensive reference for clinical treatment and research on CFS.
Journal Article