Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202339003007
D. Andreev
Agriculture is a specific industry that is particularly in need of digitalization. This is due to the fact that this industry is exposed to multiple factors, having a number of features, namely: the production process and its results depend on numerous factors, among them not only natural-climatic, biological, soil, but also socio-economic, etc. Moreover, there is a fairly significant variation of these factors in space - time coordinates, which leads to significant management costs; business entities, as a rule, are very dispersed, which, of course, also makes it difficult to develop uniform, equally effective management decisions; within the agro-industrial complex and its spheres, one can observe complex and strong in intensity connections that arise between industries. This is due to the fact that suppliers, buyers, and other counterparties are quite numerous and diverse. All this determines the high relevance of the issues that will be considered in this article. Thus, the following main issues are considered in the article: the essence of digitalization in the agricultural industry; the main problems of digitalization in this industry; experience and prospects.
{"title":"Digitalization in agriculture: experience and prospects","authors":"D. Andreev","doi":"10.1051/e3sconf/202339003007","DOIUrl":"https://doi.org/10.1051/e3sconf/202339003007","url":null,"abstract":"Agriculture is a specific industry that is particularly in need of digitalization. This is due to the fact that this industry is exposed to multiple factors, having a number of features, namely: the production process and its results depend on numerous factors, among them not only natural-climatic, biological, soil, but also socio-economic, etc. Moreover, there is a fairly significant variation of these factors in space - time coordinates, which leads to significant management costs; business entities, as a rule, are very dispersed, which, of course, also makes it difficult to develop uniform, equally effective management decisions; within the agro-industrial complex and its spheres, one can observe complex and strong in intensity connections that arise between industries. This is due to the fact that suppliers, buyers, and other counterparties are quite numerous and diverse. All this determines the high relevance of the issues that will be considered in this article. Thus, the following main issues are considered in the article: the essence of digitalization in the agricultural industry; the main problems of digitalization in this industry; experience and prospects.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57937581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202339003011
Mikhail G. Dorrer, A. Alekhina
The work is devoted to solving the problem of assessing the comparative efficiency of several common architectures of convolutional neural networks for monitoring birds in a natural environment. The problem was solved by detecting birds recorded by video traps installed on feeders in several regions of Panama by different architectures. Then a comparison was made between the recognition quality metrics – IoU and mAP, and based on the values of the metrics, a conclusion was made about the effectiveness of the architectures. Experiments have shown that the YOLO architecture of the Tiny version with comparative modules wins in the accuracy table. In the future, it is planned to improve the application of neural network architectures by finalizing the dataset with the involvement of expert bird watchers and open ornithological ontologies.
{"title":"Solving the problem of biodiversity analysis of bird detection and classification in the video stream of camera traps","authors":"Mikhail G. Dorrer, A. Alekhina","doi":"10.1051/e3sconf/202339003011","DOIUrl":"https://doi.org/10.1051/e3sconf/202339003011","url":null,"abstract":"The work is devoted to solving the problem of assessing the comparative efficiency of several common architectures of convolutional neural networks for monitoring birds in a natural environment. The problem was solved by detecting birds recorded by video traps installed on feeders in several regions of Panama by different architectures. Then a comparison was made between the recognition quality metrics – IoU and mAP, and based on the values of the metrics, a conclusion was made about the effectiveness of the architectures. Experiments have shown that the YOLO architecture of the Tiny version with comparative modules wins in the accuracy table. In the future, it is planned to improve the application of neural network architectures by finalizing the dataset with the involvement of expert bird watchers and open ornithological ontologies.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57937659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202339004013
M. Treyman, A. Nazarova, Daria Ignatova
The study presents the features and principles specific to the implementation of benchmarking for water supply and sewerage enterprises. Benchmarking is an assessment and control tool that allows enterprises to improve their activities in the field of environmental management, which will make it possible to reduce the environmental burden on the region and increase the environmental safety indicators of the region. The authors of the article developed an algorithm for implementing the principles of benchmarking in the activities of enterprises, which will improve both the quality of services and increase the efficiency of its work. The principles and technologies of water supply used in St. Petersburg and the Sultanate of Oman identifying problematic aspects of water management and key indicators that reflect the effectiveness of processes are presented. A comparative analysis of the key indicators of water supply in the Russian Federation (on the example of the city of St. Petersburg) and the Sultanate of Oman (on the example of the capital city of Muscat) was carried out. The key areas for improving activities were identified.
{"title":"Benchmarking as a tool for the development of \"green\" technologies in the water supply and sanitation enterprise","authors":"M. Treyman, A. Nazarova, Daria Ignatova","doi":"10.1051/e3sconf/202339004013","DOIUrl":"https://doi.org/10.1051/e3sconf/202339004013","url":null,"abstract":"The study presents the features and principles specific to the implementation of benchmarking for water supply and sewerage enterprises. Benchmarking is an assessment and control tool that allows enterprises to improve their activities in the field of environmental management, which will make it possible to reduce the environmental burden on the region and increase the environmental safety indicators of the region. The authors of the article developed an algorithm for implementing the principles of benchmarking in the activities of enterprises, which will improve both the quality of services and increase the efficiency of its work. The principles and technologies of water supply used in St. Petersburg and the Sultanate of Oman identifying problematic aspects of water management and key indicators that reflect the effectiveness of processes are presented. A comparative analysis of the key indicators of water supply in the Russian Federation (on the example of the city of St. Petersburg) and the Sultanate of Oman (on the example of the capital city of Muscat) was carried out. The key areas for improving activities were identified.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57937736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202338207002
A. M. M. Hasan, R. Hummadi, Omed Azeez
This paper investigates the capacity of a single laterally loaded pile in single- and multi-layered sandy soils under dry, unsaturated and saturated conditions for a wide range of void ratios. Two Linear ariable Differential Transformers (LVDT) were employed to measure lateral displacements. For unsaturated tests, on one layer and two layered sandy soils, suction was controlled using the hanging column technique. Two different suction levels were applied to the soils. The results demonstrated that, the capacity of a single laterally loaded pile in single- and multi-layered sandy soils, under unsaturated conditions, were greater than those in dry and saturated conditions for loose, medium and dense states. Comparison between experimental data for unsaturated tests and several proposed mathematical expressions in the literature for calculating the capacity of a single laterally loaded pile in sandy soils showed a significantly good fit between measured and predicted values of the capacity of the piles where Bishop’s stress is used in the expressions instead of effective stress, confirming the importance of inclusion of suction and degree of saturation in mathematical models when unsaturated conditions of soils were investigated.
{"title":"The performance of laterally loaded piles in layered sandy soils under variable degree of saturation","authors":"A. M. M. Hasan, R. Hummadi, Omed Azeez","doi":"10.1051/e3sconf/202338207002","DOIUrl":"https://doi.org/10.1051/e3sconf/202338207002","url":null,"abstract":"This paper investigates the capacity of a single laterally loaded pile in single- and multi-layered sandy soils under dry, unsaturated and saturated conditions for a wide range of void ratios. Two Linear ariable Differential Transformers (LVDT) were employed to measure lateral displacements. For unsaturated tests, on one layer and two layered sandy soils, suction was controlled using the hanging column technique. Two different suction levels were applied to the soils. The results demonstrated that, the capacity of a single laterally loaded pile in single- and multi-layered sandy soils, under unsaturated conditions, were greater than those in dry and saturated conditions for loose, medium and dense states. Comparison between experimental data for unsaturated tests and several proposed mathematical expressions in the literature for calculating the capacity of a single laterally loaded pile in sandy soils showed a significantly good fit between measured and predicted values of the capacity of the piles where Bishop’s stress is used in the expressions instead of effective stress, confirming the importance of inclusion of suction and degree of saturation in mathematical models when unsaturated conditions of soils were investigated.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57920285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202338213002
W. Oh, M. Bajestani
In geotechnical engineering practice, unsupported vertical trenches are typically excavated in unsaturated soils. In this case, the variation of shear strength and hydraulic conductivity with respect to soil suction is key information to analyze the stability of an unsupported vertical trench. Most shear strength and hydraulic conductivity models use the soil-water characteristic curve (SWCC) as a main tool. Various models are available to determine SWCC, shear strength, and hydraulic conductivity for unsaturated soils. Scholars or practitioners use one the existing models in numerical analyses to estimate the stability of unsupported vertical trench considering rainfall events. However, limited studies have been undertaken to investigate the effect of SWCC and hydraulic conductivity functions on the stability of unsupported vertical trenches in unsaturated soils. In the present study, numerical stability analyses are carried out by using different SWCCs and hydraulic conductivity functions to investigate their influence on the estimated safe height and stand-up time of unsupported vertical trenches. The same shear strength model was used for entire numerical analyses.
{"title":"Effect of Soil-Water Characteristic Curve on the Stability of Unsupported Vertical Trenches in Unsaturated Soils","authors":"W. Oh, M. Bajestani","doi":"10.1051/e3sconf/202338213002","DOIUrl":"https://doi.org/10.1051/e3sconf/202338213002","url":null,"abstract":"In geotechnical engineering practice, unsupported vertical trenches are typically excavated in unsaturated soils. In this case, the variation of shear strength and hydraulic conductivity with respect to soil suction is key information to analyze the stability of an unsupported vertical trench. Most shear strength and hydraulic conductivity models use the soil-water characteristic curve (SWCC) as a main tool. Various models are available to determine SWCC, shear strength, and hydraulic conductivity for unsaturated soils. Scholars or practitioners use one the existing models in numerical analyses to estimate the stability of unsupported vertical trench considering rainfall events. However, limited studies have been undertaken to investigate the effect of SWCC and hydraulic conductivity functions on the stability of unsupported vertical trenches in unsaturated soils. In the present study, numerical stability analyses are carried out by using different SWCCs and hydraulic conductivity functions to investigate their influence on the estimated safe height and stand-up time of unsupported vertical trenches. The same shear strength model was used for entire numerical analyses.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57920552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202338224003
Alinda Gupta, Md. Azijul Islam, Md Jobair Bin Alam
Slope failure is a common phenomenon all over the world on both man-made and natural slopes. Prolonged rainfall is one of the climatic factors which is largely responsible for slope failure. During heavy and prolonged rainfall, a part of the rainwater infiltrates through the soil and seeps into the slope. The infiltrated water lowers the matric suction and increases the porewater pressure. Eventually, the generated porewater pressure decreases the strength of the soil which results in slope failures. To evaluate the effect of rainwater seepage on slope stability, it is necessary to investigate the hydraulic conductivity of the slope soil. The objective of this study is to evaluate the effect of hydraulic conductivity on slope failure mechanisms. A finite element analysis of slope stability was conducted using Geo-Studio software. A numerical model was developed and calibrated with field monitoring data. The field monitoring data included the observation of hydraulic conductivity using a Guelph Permeameter. Afterward, the temporal variation of rainfall and hydraulic conductivity was incorporated into the SEEP/W program and the consequent changes in slope stability were evaluated in SLOPE/W. From the numerical analysis, with the identical strength parameters of the soil, different factors of safety were observed when the slope sections retain different hydraulic properties. Based on the numerical analysis, it was observed that hydraulic conductivity greater than 4×10-6 cm/s leads to slope failure. Periodic monitoring of hydraulic conductivity in the field may provide deep insight into rainfall-induced slope failures.
{"title":"Numerical Evaluation of Slope Stability based on Temporal Variation of Hydraulic Conductivity","authors":"Alinda Gupta, Md. Azijul Islam, Md Jobair Bin Alam","doi":"10.1051/e3sconf/202338224003","DOIUrl":"https://doi.org/10.1051/e3sconf/202338224003","url":null,"abstract":"Slope failure is a common phenomenon all over the world on both man-made and natural slopes. Prolonged rainfall is one of the climatic factors which is largely responsible for slope failure. During heavy and prolonged rainfall, a part of the rainwater infiltrates through the soil and seeps into the slope. The infiltrated water lowers the matric suction and increases the porewater pressure. Eventually, the generated porewater pressure decreases the strength of the soil which results in slope failures. To evaluate the effect of rainwater seepage on slope stability, it is necessary to investigate the hydraulic conductivity of the slope soil. The objective of this study is to evaluate the effect of hydraulic conductivity on slope failure mechanisms. A finite element analysis of slope stability was conducted using Geo-Studio software. A numerical model was developed and calibrated with field monitoring data. The field monitoring data included the observation of hydraulic conductivity using a Guelph Permeameter. Afterward, the temporal variation of rainfall and hydraulic conductivity was incorporated into the SEEP/W program and the consequent changes in slope stability were evaluated in SLOPE/W. From the numerical analysis, with the identical strength parameters of the soil, different factors of safety were observed when the slope sections retain different hydraulic properties. Based on the numerical analysis, it was observed that hydraulic conductivity greater than 4×10-6 cm/s leads to slope failure. Periodic monitoring of hydraulic conductivity in the field may provide deep insight into rainfall-induced slope failures.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57921937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202338224004
A. Jotisankasa, Wichuda Jamrueang, S. Pramusandi, Surat Semmad, J. Pilumwong
An increasing large number of cornfield have been cultivated in highland of many Southeast Asian countries. In most cases, this corn plantation is done without proper soil & water conservation such as vetiver system (VS), thus causing land degradation and shallow slide. This study is aimed at investigating the field behaviour of slopes with corn plantation with and without vetiver system in Chiang Mai, Northern Thailand. Tensiometers, soil moisture sensors, in-place inclinometers and tiltmeters were installed at a slope in two locations, with and without vetiver system from surface to 2m depth. The monitoring results show that for the vetiver treatment, the soil moisture tended to be higher and response faster to rainfall than the cornfield without vetiver. However, the pore-water pressure in the root zone (about 0.5m) was higher for the vetiver treatment than the cornfield which only has the root depth of about 0.2m. For cornfield without vetiver, the seasonal variation of the soil moisture and pore-water pressure was also larger. Tiltmeter indicates a larger surface movement in the cornfield without VS. However, the inclinometer readings suggested that for slope with VS there was some cyclic movement toward hillside at the surface. This could be an indication of non-uniform settlement of soil layers or influence of groundwater rising.
{"title":"Field observations of soil moisture, suction and movement of cornfield in tropical highland with and without vetiver system","authors":"A. Jotisankasa, Wichuda Jamrueang, S. Pramusandi, Surat Semmad, J. Pilumwong","doi":"10.1051/e3sconf/202338224004","DOIUrl":"https://doi.org/10.1051/e3sconf/202338224004","url":null,"abstract":"An increasing large number of cornfield have been cultivated in highland of many Southeast Asian countries. In most cases, this corn plantation is done without proper soil & water conservation such as vetiver system (VS), thus causing land degradation and shallow slide. This study is aimed at investigating the field behaviour of slopes with corn plantation with and without vetiver system in Chiang Mai, Northern Thailand. Tensiometers, soil moisture sensors, in-place inclinometers and tiltmeters were installed at a slope in two locations, with and without vetiver system from surface to 2m depth. The monitoring results show that for the vetiver treatment, the soil moisture tended to be higher and response faster to rainfall than the cornfield without vetiver. However, the pore-water pressure in the root zone (about 0.5m) was higher for the vetiver treatment than the cornfield which only has the root depth of about 0.2m. For cornfield without vetiver, the seasonal variation of the soil moisture and pore-water pressure was also larger. Tiltmeter indicates a larger surface movement in the cornfield without VS. However, the inclinometer readings suggested that for slope with VS there was some cyclic movement toward hillside at the surface. This could be an indication of non-uniform settlement of soil layers or influence of groundwater rising.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57921949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202338223002
Timon Kayser, W. Baille, M. Tafili, T. Wichtmann
An experimental study regarding the hydro-mechanical behaviour of a Malaysian Kaolin is presented. Strain rate-controlled oedometer tests have been conducted on compacted samples. The influence of initial water content on the pore-size distribution (PSD) of compacted samples was investigated by Mercury Intrusion Porosimetry (MIP) tests. The drying path of the soil-water characteristic curve was experimentally determined for initially compacted samples and slurry samples. The preconsolidation stress was found to increase with increase in initial dry density and with decrease in initial water content. The compression curves merge into a single line, as soon as they have reached full saturation during loading. Samples at the dry side of Proctor water content showed a bi-modal PSD, whereas a mono-modal PSD was found for Proctor water content and at the wet side. The different initial compaction states of the samples were getting reflected in the drying SWCC until a suction of about 2 MPa, beyond which the drying paths were found to be identical.
{"title":"Coupled hydro-mechanical behaviour of a Kaolin Clay in the context of the geothermal use of geotechnical structures","authors":"Timon Kayser, W. Baille, M. Tafili, T. Wichtmann","doi":"10.1051/e3sconf/202338223002","DOIUrl":"https://doi.org/10.1051/e3sconf/202338223002","url":null,"abstract":"An experimental study regarding the hydro-mechanical behaviour of a Malaysian Kaolin is presented. Strain rate-controlled oedometer tests have been conducted on compacted samples. The influence of initial water content on the pore-size distribution (PSD) of compacted samples was investigated by Mercury Intrusion Porosimetry (MIP) tests. The drying path of the soil-water characteristic curve was experimentally determined for initially compacted samples and slurry samples. The preconsolidation stress was found to increase with increase in initial dry density and with decrease in initial water content. The compression curves merge into a single line, as soon as they have reached full saturation during loading. Samples at the dry side of Proctor water content showed a bi-modal PSD, whereas a mono-modal PSD was found for Proctor water content and at the wet side. The different initial compaction states of the samples were getting reflected in the drying SWCC until a suction of about 2 MPa, beyond which the drying paths were found to be identical.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57922232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202338304004
A. Ruban, V. Danilov
A safe transportation ecosystem encompasses both the passenger and attendant populations as well as the abiotic infrastructure that surrounds them. Solar cells generating electricity are one of the most promising options for building a long-term energy base for the transportation ecosystem, given the trends related to the increasing role of green energy in various industries. The physical foundations for the practical implementation of solar cells are being laid by research in nanophotonics. The role of model representations based on FRET and reverse transport mechanisms are examined in the example of luminescence photodynamics of a heterostructure representing isolated films of CdSe/ZnS-TOPO quantum dots containing InP/InAsP/InP nanowires. The studies performed in this work suggest practical ways to increase the luminescence yield of heterostructures using “interfacial technologies” in core-shell structures.
{"title":"Nanophotonics of heterostructures is an important step in solving the problem of environmental safety of transport infrastructure","authors":"A. Ruban, V. Danilov","doi":"10.1051/e3sconf/202338304004","DOIUrl":"https://doi.org/10.1051/e3sconf/202338304004","url":null,"abstract":"A safe transportation ecosystem encompasses both the passenger and attendant populations as well as the abiotic infrastructure that surrounds them. Solar cells generating electricity are one of the most promising options for building a long-term energy base for the transportation ecosystem, given the trends related to the increasing role of green energy in various industries. The physical foundations for the practical implementation of solar cells are being laid by research in nanophotonics. The role of model representations based on FRET and reverse transport mechanisms are examined in the example of luminescence photodynamics of a heterostructure representing isolated films of CdSe/ZnS-TOPO quantum dots containing InP/InAsP/InP nanowires. The studies performed in this work suggest practical ways to increase the luminescence yield of heterostructures using “interfacial technologies” in core-shell structures.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"147 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57922956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1051/e3sconf/202338304045
B. Baymirzaev, U. Murodbekov, Z. Mamarajabova, V. Morozov
The article presents the results of experiments on models made of equivalent materials of the operability of wells with a camouflage cavity and comparison with the output of groundwater by a natural aquifer. In the experiment, the geometric, physical similarity of materials in the nature of the model was observed. The results obtained showed that when using wells with a camouflage cavity, not only increases the inflow of groundwater, but also decreases the peak loads of depression stresses on the array, as well as the moistening of rocks around the aquifer, in addition, a graph is shown of the rate of water outflow in time on which with the distribution of water inflow without peaks at the time of the formation of washouts. The conducted experiments have shown good performance of wells with camouflage cavities providing effective drainage of the instrument array.
{"title":"Advanced drainage of the sides of a coal mine by horizontal wells with a camouflage cavity","authors":"B. Baymirzaev, U. Murodbekov, Z. Mamarajabova, V. Morozov","doi":"10.1051/e3sconf/202338304045","DOIUrl":"https://doi.org/10.1051/e3sconf/202338304045","url":null,"abstract":"The article presents the results of experiments on models made of equivalent materials of the operability of wells with a camouflage cavity and comparison with the output of groundwater by a natural aquifer. In the experiment, the geometric, physical similarity of materials in the nature of the model was observed. The results obtained showed that when using wells with a camouflage cavity, not only increases the inflow of groundwater, but also decreases the peak loads of depression stresses on the array, as well as the moistening of rocks around the aquifer, in addition, a graph is shown of the rate of water outflow in time on which with the distribution of water inflow without peaks at the time of the formation of washouts. The conducted experiments have shown good performance of wells with camouflage cavities providing effective drainage of the instrument array.","PeriodicalId":11445,"journal":{"name":"E3S Web of Conferences","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57923630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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