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Structural Use of Expanded Polystyrene Concrete 膨胀聚苯乙烯混凝土的结构应用
Pub Date : 2020-07-10 DOI: 10.38124/ijisrt20jun849
Adeniran Jolaade Adeala, Olugbenga Babajide Soyem
Expanded polystyrene (EPS) wastes are generated from industries and post-consumer products. They are non-biodegradable but are usually disposed by burning or landfilling leading to environmental pollution. The possibility of using EPS as partial replacement for fine aggregates in concrete has generated research interests in recent times. However, since the physical and mechanical properties of EPS are not like those of conventional fine aggregates, this study is focussed on the use of EPS as an additive in concrete while keeping other composition (sand and granite) constant. Expanded polystyrene was milled, the bulk density of EPS was 10.57kg/m3 and particle size distributions were determined. Engineering properties of expanded polystyrene concrete were determined in accordance with BS 8110-2:1985. The result showed that the amount of expanded polystyrene incorporated in concrete influence the properties of hardened and fresh concrete. The compressive strengths of 17.07MPa with 5 % expanded polystyrene concrete at 28 days for example can be used as a lightweight concrete for partitioning in offices. Incorporating expanded polystyrene granules in a concrete matrix can produce lightweight polystyrene aggregate concrete of various densities, compressive strengths, flexural strengths and tensile strengths. In conclusion, this reduces environmental pollution, reduction in valuable landfill space and also for sustainability in construction companies
膨胀聚苯乙烯(EPS)废物是由工业和消费后产品产生的。它们是不可生物降解的,但通常通过焚烧或填埋处理,导致环境污染。EPS在混凝土中部分替代细集料的可能性近年来引起了人们的研究兴趣。然而,由于EPS的物理力学性能与传统的细集料不同,因此本研究的重点是在保持其他成分(砂和花岗岩)不变的情况下,将EPS作为混凝土中的添加剂使用。对膨胀聚苯乙烯进行研磨,得到的EPS堆积密度为10.57kg/m3,并测定了其粒度分布。膨胀聚苯乙烯混凝土的工程性能按照BS 8110- 2:20 85进行测定。结果表明,混凝土中膨胀聚苯乙烯的掺入量对硬化混凝土和新拌混凝土的性能均有影响。以5%膨胀聚苯乙烯混凝土为例,其28天抗压强度为17.07MPa,可作为办公室分区的轻质混凝土。在混凝土基体中掺入膨胀聚苯乙烯颗粒,可以生产出各种密度、抗压强度、抗折强度和抗拉强度的轻质聚苯乙烯骨料混凝土。总之,这减少了环境污染,减少了宝贵的垃圾填埋场空间,也有利于建筑公司的可持续性
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引用次数: 5
Machine Vision Techniques for Improve Rice Grain Quality Analyzing Process 改进稻米品质分析过程的机器视觉技术
Pub Date : 2020-07-09 DOI: 10.38124/ijisrt20jun691
G. Karunasena, H. Priyankara, B. G. D. A. Madushanka
Rice grain quality inspection is a major process in rice production. To provide quality and accurate results in rice grain analyzing it is important to analyze rice grains one by one in a testing sample. In the current situation, most of rice grain producers inspect rice grains manually without using any automated process. The major problem is the accuracy of testing results depends on human quality because manually processes include human errors. The manual inspection of rice grains is a very complicated and time-consuming process due to these reasons most of the inspector's effect by external factors such as fatigue, tension etc. In this research, we provide a time-efficient and low-cost solution for reducing above-mentioned limitations by developing software. It uses modern image processing to analyze rice grains one by one efficiently over the manual examination. The quality of rice samples can be determined with the help of colour, and geometric features such as area, maximum length, maximum width and aspect ratio. This analyzing system designed and developed for measure area, maximum length, maximum width and aspect ratio by using Java programming language, morphological and colour operations in computer vision and finally the accuracy of the system tested by comparing manually tested sample and results from the system. According to the results, it shows this system provides more than 85 percent accuracy with confirming this was a better solution
稻米品质检验是稻米生产的重要环节。为了提供高质量和准确的稻米分析结果,对样品中的稻米进行逐一分析是非常重要的。在目前的情况下,大多数米粒生产商都是手工检测米粒,没有使用任何自动化过程。主要的问题是测试结果的准确性取决于人的质量,因为人工处理包括人为错误。由于这些原因,米粒的人工检验是一个非常复杂和耗时的过程,大多数检验员的影响都受到外界因素的影响,如疲劳、紧张等。在本研究中,我们通过开发软件提供了一种省时、低成本的解决方案来减少上述限制。它采用现代图像处理技术,比人工检测更有效地对米粒进行逐一分析。大米样品的质量可以通过颜色和几何特征(如面积、最大长度、最大宽度和长宽比)来确定。本分析系统采用Java编程语言设计和开发了测量面积、最大长度、最大宽度和长宽比的分析系统,并采用计算机视觉中的形态学和色彩运算,最后通过人工测试样品和系统测试结果的对比测试了系统的准确性。结果表明,该系统提供了超过85%的准确率,并确认这是一个更好的解决方案
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引用次数: 1
Analysis of Flyover Construction Effect to Increase Traffic Services and Reduce Exhaust Emissions at an Intersection 立交桥建设对增加交通服务和降低交叉口废气排放的效果分析
Pub Date : 2020-07-09 DOI: 10.38124/ijisrt20jun827
L. Triani, J. Arliansyah, M. Agustien
Patal - Pusri Intersection is one of the intersections in Palembang with heavy traffic flow and frequent traffic jams. The existence of Underpass construction, apparently could not be a complete solution to unravel traffic congestion. The purpose of this research is to analyze five alternative scenario plans to disentangled the vehicle density, congestion, and reduce pollution from exhaust emissions caused by vehicle density. This research was conducted using VISSIM Microsimulation Program assistance to simulate existing alternative scenarios and to analyze the effect of these alternative scenarios on reducing vehicle exhaust emissions using the EnViVer Program assistance. The results showed that the fifth alternative scenario as the flyover construction, geometric changes at the intersection’s leg crossing, and traffic lights rearrangement became the most effective alternative and was able to parse vehicle density and traffic congestion, and was able to reduce exhaust emissions by 32.36%. This was shown by the reduction in queue length by 44% and the delay times by 57.05%, and the reduction in exhaust emissions in the form of carbon dioxide (CO2) by 35.5%, nitrogen oxides (NOx) by 43%, and particulate matter (PM10) ) by 18.6% at the intersection significantly.
Patal - Pusri十字路口是巨港交通流量大、交通堵塞频繁的十字路口之一。地下通道建设的存在,显然不能完全解决交通拥堵问题。本研究的目的是分析五种方案方案,以解决车辆密度、拥堵和减少车辆密度造成的废气排放污染。本研究使用VISSIM Microsimulation Program辅助工具来模拟现有的备选方案,并使用EnViVer Program辅助工具分析这些备选方案对减少汽车尾气排放的影响。结果表明:第5种方案为立交桥建设、交叉口腿口几何变化和红绿灯重新布置,是最有效的方案,能够解析车辆密度和交通拥堵,可减少32.36%的废气排放;这表明,在十字路口,排队长度减少了44%,延误时间减少了57.05%,二氧化碳(CO2)排放量减少了35.5%,氮氧化物(NOx)排放量减少了43%,颗粒物(PM10)排放量减少了18.6%。
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引用次数: 0
Improvised Guard for Next Level Security Automated Vehicle Security System using Artificial Intelligence and Convolutional Neural Network 基于人工智能和卷积神经网络的下一级安全自动车辆安全系统的临时防护
Pub Date : 2020-07-07 DOI: 10.17577/ijertv9is070085
J. M. John, Noel Philip Isaac, Jerin Thomas, Subin Alexander, B. S. Syamraj
This paper details fully automated vehicle security system involving vehicle model, make detection, driver face recognition and parking system guided by a virtual assistant. The core technology of the system is built using a sequence of deep Convolutional Neural Networks (CNNs). This system performs face recognition of the driver and vehicle model, make detection and permit access by opening barrier gate. This allows bigger organizations to control and monitor vehicle traffic as well as gain user data for security purpose. For quantitive analysis, we show that our system outperforms the leading vehicle security system. Proposed paper project website is also available at http://www.astound.ga/igns.
本文详细介绍了全自动化车辆安全系统,包括车辆模型、车辆检测、驾驶员人脸识别和虚拟助手引导下的停车系统。该系统的核心技术是使用深度卷积神经网络(cnn)序列构建的。该系统对驾驶员和车辆模型进行人脸识别,进行检测,并通过打开护栏门允许进入。这使得更大的组织可以控制和监控车辆交通,并出于安全目的获取用户数据。对于定量分析,我们表明我们的系统优于领先的车辆安全系统。建议的论文项目网站也可在http://www.astound.ga/igns找到。
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引用次数: 0
The Effect of Brand Image and Price on Customer Satisfaction in Purchasing Es Kopi Susu Keluarga at FamilyMart Jakarta 品牌形象与价格对雅加达全家超市顾客满意度的影响
Pub Date : 2020-07-02 DOI: 10.38124/ijisrt20jun546
Muhammad Sedky, S. Riyanto
Coffee has become a lifestyle requirement for people in Jakarta. Many new businesses take advantage of this opportunity; one of them is FamilyMart. FamilyMart is a Japanese retail company that also sells food and beverages, one of the popular products is the iced Kopi Kopi Keluarga. The purpose of this research is to analyze and explain the effect of corporate image, store image, product image and price on customer satisfaction in purchasing Es Kopi Susu Keluarga. This research method uses descriptive methods and quantitative approaches using questionnaires as research instruments. The number of samples used was 59 respondents. Conclusion of the results of the analysis of this study found that the variables significantly influence the variable of customer satisfaction.
咖啡已经成为雅加达人生活方式的必需品。许多新企业利用了这个机会;其中之一就是全家超市。FamilyMart是一家日本零售公司,也销售食品和饮料,其中一种受欢迎的产品是冰Kopi Kopi Keluarga。本研究的目的是分析和解释企业形象、店铺形象、产品形象和价格对顾客购买蛋香酥饼满意度的影响。本研究方法采用描述性方法和定量方法,以问卷调查为研究工具。使用的样本数量为59个受访者。结论本研究的分析结果发现,各变量对顾客满意的影响显著。
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引用次数: 0
Formulation and Evaluation of Ginger Macerated Honey Base Herbal Cough Syrup 姜浸蜂蜜止咳糖浆的配方及评价
Pub Date : 2020-07-01 DOI: 10.38124/ijisrt20jun334
A. G. Patil, Kaivalya Gajanan Mirajakar, P. L. Savekar, Chetana.V. Bugadikattikar, Somesh S. Shintre
Cough is one of the most common problem faced by all people. There are mainaly two types of cough one is dry cough and another one is wet cough. dry cough there is no mucous and secretion while in wet cough there is cough with mucous or secretion. Syrup is commonly used and popular dosage form which is used to cure cough and cold, because it having ease of patients compliance. Syrup contain Ginger macerated honey base and also Tulsi, liquorice, cardamom, fennel, adulsa, clove as an antitussive and expectorant. Quality of final herbal syrup was evaluated for pre formulation a post formulation parameter. Here by using honey base three batches were formulated having various concentration such as 35%, 40%, 45% w/v
咳嗽是所有人面临的最常见的问题之一。咳嗽主要有两种,一种是干咳,另一种是湿咳。干咳无粘液和分泌物,湿咳有粘液或分泌物。糖浆是常用和流行的剂型,用于治疗咳嗽和感冒,因为它易于患者依从。糖浆中含有生姜浸泡过的蜂蜜基底,还有图尔丝、甘草、小豆蔻、茴香、杜鹃、丁香等作为止咳祛痰剂。对制剂前和制剂后的质量参数进行了评价。本实验以蜂蜜为基料,分别配制了35%、40%、45% w/v等不同浓度的三批制剂
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引用次数: 2
An Assessment of the Level of Affordability of Eye Health Care Services and Products in the Gambia – Case Study Onesight 冈比亚眼科保健服务和产品的可负担性水平评估- onsight案例研究
Pub Date : 2020-07-01 DOI: 10.38124/ijisrt20jun153
C. Belford, Momodou Mustapha Fanneh, Sanyang Lang, Bumi Camara, Yusupha Dibba
Health care services and in particular eye care in The Gambia is plagued by exorbitant costs both direct (consultation fee, cost of medication/glasses, etc.) and indirect (cost of transportation to and from eye clinic, cost of food/sustenance during eye treatment etc.) making it luxury and barrier for the poor and vulnerable of our societies. It is for those reasons that OneSight decided to commission a survey in The Gambia. The sampling of the study was a multistage stratified cluster sampling. At each stage Probability Proportional to Size and random procedures were applied to arrive at the actual sample population of 3300 households. The study employed both quantitative and qualitative research design techniques to collect and analyze data. The finding of the study illustrated that nearly 70% of the household’s heads are willing to be the one to pay for corrective glasses should the need arise for any member of their household. 80% of the respondents reported in affirmative that there are costs required in making eyesight better. It was also disclosed that respondents are willing to pay for a pair of eye glasses GMD 0 (free eyeglasses) to GMD 20,000. The Focus Group Discussion conducted across The Gambia almost all participants unanimously recommended that the affordable cost for a pair of glasses should be GMD50.
冈比亚的医疗保健服务,特别是眼科保健受到高昂的直接费用(咨询费、药费/眼镜费等)和间接费用(往返眼科诊所的交通费、眼科治疗期间的食品/维持费用等)的困扰,使其成为我们社会中穷人和弱势群体的奢侈品和障碍。正是出于这些原因,OneSight决定在冈比亚委托进行一项调查。本研究采用多阶段分层整群抽样。在每个阶段,应用概率与规模成比例和随机程序来获得3300户的实际样本人口。本研究采用定量和定性研究设计技术来收集和分析数据。研究结果表明,如果家庭中的任何成员需要矫正眼镜,近70%的家长愿意自己掏钱。80%的受访者肯定地表示,改善视力需要付出代价。调查还披露,受访者愿意为一副眼镜支付0元人民币(免费眼镜)至2万元人民币。在冈比亚各地进行的焦点小组讨论中,几乎所有与会者一致建议,一副眼镜的可承受价格应为50英镑。
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引用次数: 0
Volume 5 - 2020, Issue 7 - July 卷5 - 2020年,第7期- 7月
Pub Date : 2020-07-01 DOI: 10.38124/volumeissue7
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引用次数: 0
Principals’ Climate Change Supportive Administrative Services for Effective Classroom Management in Public and Private Secondary Schools in Anambra State 阿南布拉州公立和私立中学校长气候变化支持性行政服务的有效课堂管理
Pub Date : 2020-06-27 DOI: 10.38124/ijisrt20jun168
Okoye, Chinasa Regina, Prof. A. S. Omenyi
The purpose of this study is to analyse the climate change supportive administrative services provided by principals for effective classroom management in public and private secondary schools in Anambra State. The area of this study is Anambra state and the descriptive survey research design was used. There are six education zones namely Aguata, Awka, Nnewi, Ogidi, Onitsha, and Otuocha education zones. The population for this study comprised 15,990 respondents made up of 6,293 teachers in the 256 public secondary schools and 9,697 teachers in the 481 registered private secondary schools in Anambra state. The sample size for this study is 852 teachers. The instrument for data collection is a structured questionnaire developed by the researchers. The questionnaire was subjected to face validation using three experts who are lecturers. The reliability of the instrument was established using 100 teachers (50 in private secondary schools and 50 in public secondary schools) in 20 secondary schools in Enugu state. Cronbach alpha method was used to determine reliability of the items because the instrument is homogeneously structured. The reliability coefficient of the instrument was 0.74. The instrument was administered on the respondents directly by the researchers with the help of eight research assistants who are teachers in the various schools sampled. All the 852 copies of the questionnaire were correctly filled and retrieved. They were collated and subjected to statistical analysis. Data collected were analyzed using mean ratings to answer the research questions and t- test to test the hypotheses at 0.05 level of significance.
本研究的目的是分析阿南布拉州公立和私立中学校长为有效课堂管理提供的气候变化支持性行政服务。本研究的区域为阿南布拉州,采用描述性调查研究设计。有六个教育区,即Aguata, Awka, Nnewi, Ogidi, Onitsha和Otuocha教育区。这项研究的人口包括15990名受访者,其中包括阿南布拉州256所公立中学的6293名教师和481所注册私立中学的9697名教师。本研究的样本量为852名教师。数据收集的工具是研究人员开发的结构化问卷。问卷由三位讲师专家进行面部验证。利用埃努古州20所中学的100名教师(50名在私立中学,50名在公立中学)确定了该工具的可靠性。由于仪器结构均匀,因此采用Cronbach alpha方法来确定项目的可靠性。仪器的信度系数为0.74。该工具是由研究人员在八名研究助理的帮助下直接对受访者进行管理,他们是各个学校的教师。852份调查问卷均正确填写并回收。它们经过整理和统计分析。对收集到的数据进行分析,采用平均评分来回答研究问题,采用t检验来检验假设,显著性水平为0.05。
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引用次数: 0
A Predictive Risk Model for Software Projects’Requirement Gathering Phase 软件项目需求收集阶段的预测风险模型
Pub Date : 2020-06-25 DOI: 10.38124/ijisrt20jun066
B. O. Akumba, S. Otor, I. Agaji, Barnabas T. Akumba
The initial stage of the software development lifecycle is the requirement gathering and analysis phase. Predicting risk at this phase is very crucial because cost and efforts can be saved while improving the quality and efficiency of the software to be developed. The datasets for software requirements risk prediction have been adopted in this paper to predict the risk levels across the software projects and to ascertain the attributes that contribute to the recognized risk in the software projects. A supervised machine learning technique was used to predict the risk across the projects using Naïve Bayes Classifier technique. The model was able to predict the risks across the projects and the performance metrics of the risk attributes were evaluated. The model predicted four (4) as Catastrophic, eleven (11) as High, eighteen (18) as Moderate, thirty-three (33) as Low and seven (7) as insignificant. The overall confusion matrix statistics on the risk levels prediction by the model had accuracy to be 98% with confidence interval (CI) of 95% and Kappa 97%.
软件开发生命周期的初始阶段是需求收集和分析阶段。在这个阶段预测风险是非常重要的,因为在提高要开发的软件的质量和效率的同时可以节省成本和努力。本文采用软件需求风险预测的数据集来预测跨软件项目的风险水平,并确定导致软件项目中可识别风险的属性。使用Naïve贝叶斯分类器技术,使用监督机器学习技术来预测项目的风险。该模型能够预测跨项目的风险,并且评估了风险属性的性能度量。该模型预测4(4)为灾难性,11(11)为高,18(18)为中度,33(33)为低,7(7)为无关紧要。模型预测风险水平的总体混淆矩阵统计准确率为98%,置信区间(CI)为95%,Kappa为97%。
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引用次数: 3
期刊
International Journal of Innovative Science and Research Technology
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