发布求助
文献互助 智能选刊 最新文献

2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)最新文献

筛选
英文 中文
The effects of earthworm powder on viability of Entamoeba histolytica (trophozoites) in vitro 蚯蚓粉对溶组织内阿米巴(滋养体)体外活力的影响
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000349
H. A. Jamil, N. Chachain
{"title":"The effects of earthworm powder on viability of Entamoeba histolytica (trophozoites) in vitro","authors":"H. A. Jamil, N. Chachain","doi":"10.1063/5.0000349","DOIUrl":"https://doi.org/10.1063/5.0000349","url":null,"abstract":"This study was accomplished in vitro to measure the viability of trophozoite by using Methylthiazol Tetrazolium (MTT) assay after the parasite was saved in vitro by using Locke-egg medium (LEM), when the parasite was treated, different concentrations of the earthworm powder were used (50,100,150,200 mg/ml) in different times (24, 48, 72 hours). Results showed the viability of trophozoite in (50 mg/ml) after (24, 48, 72h) was (74 %, 78 %, 70 %) respectively compared with control (100 %99 %95%) respectively, also in (100 mg/ml) after (24, 48, 72h) was (60 %,43 %,49 %) respectively, in (150 mg/ml) after (24, 48, 72h) was (40 %,31 %,35 %) respectively, in (200 mg/ml) after (24, 48, 72h) was (26 %,20 %,30 %) respectively compared with control while in metronidazole (24, 48, 72h) was (5 %,4%, 3%) respectively compared with the control.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"186 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131442319","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}
引用次数: 0
Foundation relative stiffness effects in sand under static loading 静荷载作用下砂土地基相对刚度效应
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000110
ZK Jahanger, S. Antony, A. Hirani
{"title":"Foundation relative stiffness effects in sand under static loading","authors":"ZK Jahanger, S. Antony, A. Hirani","doi":"10.1063/5.0000110","DOIUrl":"https://doi.org/10.1063/5.0000110","url":null,"abstract":"In the geotechnical engineering applications, precise understandings are yet to be established on the effects of a foundation stiffness on its bearing capacity and settlement. The modern foundation construction uses the new available construction materials that totally change the relative stiffness of the footing structures–soil interactions such as waste material and landfill area of more residential purposes. Conventional bearing capacity equations were dealt with common rigid footing and thus cannot be used for reduced foundation rigidity. Therefore, this study investigates the effects of foundation relative stiffness on its load-displacement behaviour and the soil deformation field using compression test of a strip smooth footings on surface of sand of different packing densities. Nine experimental tests using three footing materials (plastic (P), rubber (R) and aluminium (A)) that differ in relative stiffness with three soil densities were used. This study has separated the effects of relative stiffness of the foundation systems on bearing capacity and settlement by defining the failure mechanism using digital particle image velocimetry (DPIV). The bearing capacity decreases as the foundation system stiffness increases. This decrease, however, is also associated with a smaller ultimate settlement. It is also apparent that a clear trend can be observed in dimensions of the slip surface when comparing rigid and flexible foundation systems. The soil particles in the failure zone under the footing have the highest vertical displacement for the increase in the rigidity of the footing system. A change in the relative stiffness of a foundation system affects the deformation of a granular media and particular analyses have been taken into the load-displacement behaviour, failure mechanisms and velocity fields.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126753335","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}
引用次数: 1
Synthesis and characterization of some metal ions derived from ciprofloxacin and evaluation of their biological activity 环丙沙星衍生金属离子的合成、表征及其生物活性评价
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000467
Mouhaned Y. Al-darwesh, Kaiss R. Ibraheem
{"title":"Synthesis and characterization of some metal ions derived from ciprofloxacin and evaluation of their biological activity","authors":"Mouhaned Y. Al-darwesh, Kaiss R. Ibraheem","doi":"10.1063/5.0000467","DOIUrl":"https://doi.org/10.1063/5.0000467","url":null,"abstract":"This study aims to prepare and characterize a new ligand (LT). This ligand which is derived from ciprofloxacin is able for coordination with the following metal ions: Cu (II), Co (II), Fe (III), Zn (II), Cr (III), Ni (II), and Mn (II); where: LT=4-(3-carboxy-4 - ((3-carboxy-1-cyclopropyl-6-fluoro-7 (piperazine-1yil) quinoline-4 (1h) -ylidene) -6- fluoro-4-1-hydroquinone -7-yl) piperazine-1- were investigated. Analysis of elements, electrical conductivity, magnetic characteristics, melting point, UV-Vis, infrared (IR), 1H nuclear magnetic resonance spectrum, mass spectroscopy, and thermal analysis were employed to describe the synthesized complexes. The TGA has been checked to know the chemical composition of compounds. The measured molar conductivity values refereed to that the non-electrolytic complexes were evaluated to investigate the biological efficacy of the ligand and the synthesized complexes toward the obtained bacteria.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126381123","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}
引用次数: 0
Development orientation of mechanized technology of underground mining in Quangninh coalfield, Vietnam 越南广宁煤田地下开采机械化技术的发展方向
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000005
Hai Duong Duc, Cuong Dinh Van, A. Koteras, Hoang Do Van, Tu Ba
{"title":"Development orientation of mechanized technology of underground mining in Quangninh coalfield, Vietnam","authors":"Hai Duong Duc, Cuong Dinh Van, A. Koteras, Hoang Do Van, Tu Ba","doi":"10.1063/5.0000005","DOIUrl":"https://doi.org/10.1063/5.0000005","url":null,"abstract":"Vietnam’s coal industry plays an important role in ensuring national energy security (by 2020 and 2025, 42,7% and 49,3% respectively of electricity is being produced from coal) [2]. Due to the pres...","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"47 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114021140","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}
引用次数: 2
The challenges in conservation practices in Malaysia: A study in UNESCO heritage site, Georgetown, Penang, Malaysia 马来西亚保护实践的挑战:对联合国教科文组织遗产，马来西亚槟城乔治城的研究
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000425
M. A. Azizan, N. Noriman, H. Desa, N. Ishak, O. Dahham, M. U. Umar, N. A. Latip
{"title":"The challenges in conservation practices in Malaysia: A study in UNESCO heritage site, Georgetown, Penang, Malaysia","authors":"M. A. Azizan, N. Noriman, H. Desa, N. Ishak, O. Dahham, M. U. Umar, N. A. Latip","doi":"10.1063/5.0000425","DOIUrl":"https://doi.org/10.1063/5.0000425","url":null,"abstract":"In Malaysia, conservation of heritage buildings is initiated by the government and private sector. The establishment of National Heritage Department of Malaysia in year 2006 has shown the government’s effort to appreciate the existing of heritage buildings in Malaysia. The Department will ensure every requirement in National Heritage Act 2005 will be complied by respective Authorities. In addition, the listing of George Town and Malacca as UNESCO Heritage site on 7 July 2008 has put Malaysia as of the country to promote heritage tourism.The designation of George Town, Penang, along with Malacca, as a UNESCO World Heritage Site (WHS) on July 7, 2008 was a boast achievement, particularly for Penangites and Malaysian generally. The status has elevated Penang to international status in terms of cultural heritage tourism and expected to draw more tourists to the area. The impacts of tourism to the local community are inevitable. However, in conservation practice of course has some challenges in the process.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126170833","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}
引用次数: 3
Oxygen pressure effects on optical properties of ZnO prepared by reactive puled laser deposition 氧压对反应脉冲激光沉积ZnO光学性能的影响
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000202
Qamar Q. Mohammed, Ban A. Badr, A. M. Banoosh, M. Fakhri, Ahmed W. Abdulwahab
{"title":"Oxygen pressure effects on optical properties of ZnO prepared by reactive puled laser deposition","authors":"Qamar Q. Mohammed, Ban A. Badr, A. M. Banoosh, M. Fakhri, Ahmed W. Abdulwahab","doi":"10.1063/5.0000202","DOIUrl":"https://doi.org/10.1063/5.0000202","url":null,"abstract":"The deposition processes of the ZnO films have been conducted in this paper. The Q-switched Nd:YAG laser of 10 ns duration and 900 mJ of energy was utilized to perform the deposition process of ZnOglass heterojunction. At different oxygen pressure, the optical properties, and constant of the deposited samples have been tested. Under 300 °C heating treatment, and different oxygen pressure the results recorded an a higher transparency of more than 80% was also listed with a reduction in its value alongside with the reduction of the substrate temperature. Further, the energy bandgap has found to be 3.26 electron-volts.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114053521","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}
引用次数: 15
Lateral torsional buckling analysis and design of steel-framed house with cold-formed and hot-finished rectangular hollow section 冷弯和热加工矩形空心截面钢结构房屋侧扭屈曲分析与设计
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000073
F. De’nan, N. Naaim, Azlin Md. Said, I. Johari
{"title":"Lateral torsional buckling analysis and design of steel-framed house with cold-formed and hot-finished rectangular hollow section","authors":"F. De’nan, N. Naaim, Azlin Md. Said, I. Johari","doi":"10.1063/5.0000073","DOIUrl":"https://doi.org/10.1063/5.0000073","url":null,"abstract":"The structural behavior of cold-formed steel framing systems for affordable housing is presented in this study. The objectives are carried out to study the lateral-torsional buckling behavior of cold-formed and hot-finished steel structural framing systems incorporating lightweight load-bearing wall and slab and to compare the weight of the material used on the cold-formed and hot-finished steel structural of affordable housing. 243 members for each model are used to analyze the steel structural framing system. Model 1 is a cold-formed steel structural framing system and model 2 is a hot-finished steel structural framing system. Both of steel structures applied lightweight wall panel and lightweight composite slab. Model 3 and Model 4 are also a cold-formed steel structural framing systems and hot-finished steel structural framing system. Both of these structures using the brick walls and precast reinforced concrete. The models are drawn in AutoCAD and analyzed using STAAD.Pro software. The increasing of the buckling resistance causing lateral-torsional buckling condition. Other than that, the weight comparison of the steel structure shows that cold-formed steel structure with lightweight wall panel and lightweight composite slab like Model 1 is the best model due to lightweight property and more benefits for affordable housing.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134068344","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}
引用次数: 1
Graft modification of PVC with 1,2,4-triazole ring system for preparing flexible PVC materials 1,2,4-三唑环系PVC接枝改性制备柔性PVC材料
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000072
D. Ahmed, Mustafa Abdallh, R. Alsayed, A. Ahmed, E. Yousif
{"title":"Graft modification of PVC with 1,2,4-triazole ring system for preparing flexible PVC materials","authors":"D. Ahmed, Mustafa Abdallh, R. Alsayed, A. Ahmed, E. Yousif","doi":"10.1063/5.0000072","DOIUrl":"https://doi.org/10.1063/5.0000072","url":null,"abstract":"A compound is prepared and its structure is confirmed via FTIR and HNMR spectroscopies. Schiff base was grafted on PVC chains to get flexible PVC. The link of the (L) with the PVC resulted in creating a homogenous polymeric mixture. PVC-L-Cu(II) has been produced by adding PVC-L to copper chloride. Polymeric films had been exposed to UV light 300 hours and investigated by FTIR, weight loss percentage and SEM.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114255849","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}
引用次数: 3
Identification and statistical analysis of impulse-like patterns of carbon monoxide variation in deep underground mine 深埋矿井一氧化碳脉冲型变化规律的识别与统计分析
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-25 DOI: 10.1063/5.0000230
Justyna Hebda-Sobkowicz, R. Zimroz, A. Wyłomańska, S. Gola
{"title":"Identification and statistical analysis of impulse-like patterns of carbon monoxide variation in deep underground mine","authors":"Justyna Hebda-Sobkowicz, R. Zimroz, A. Wyłomańska, S. Gola","doi":"10.1063/5.0000230","DOIUrl":"https://doi.org/10.1063/5.0000230","url":null,"abstract":"The quality of air in deep mines is a very important aspect because of the health of the miners working there. Poor quality of the air might also affect the efficiency of their work. There are many possible sources of air pollution in a deep mine. One of the most critical issues is related to the usage of explosive materials for rocks fragmentation. Results of such explosions are carbon monoxide, extremely dangerous an odourless and colourless gas. In our research, we have received long term data from the online monitoring system installed in some part of the mine. The research task is to describe the behaviour of the concentration of CO gas in the air in the language of mathematics. So, finally, the analysis of carbon monoxide concentration variation associated with the blasting events has been proposed. It consists of the separation of the sub-process of the CO concentration related to the blasting procedure (process P) from the remaining part of the gas concentration and its modelling using the deterministic function.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116681595","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}
引用次数: 0
Tensile and morphological properties of PMMA composite reinforced by Pistachio Shell powder used in denture applications 开心果壳粉末增强PMMA复合材料在义齿中的拉伸和形态性能
2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019) Pub Date : 2020-03-01 DOI: 10.1063/5.0000181
N. N. Kadhim, Q. Hamad, Jawad K. Oleiwi
{"title":"Tensile and morphological properties of PMMA composite reinforced by Pistachio Shell powder used in denture applications","authors":"N. N. Kadhim, Q. Hamad, Jawad K. Oleiwi","doi":"10.1063/5.0000181","DOIUrl":"https://doi.org/10.1063/5.0000181","url":null,"abstract":". The purpose of this research is to investigate the effect of Pistachio Shell powder on some properties of (heat-cure) PMMA acrylic resin that’s popularly used as denture base material, where this natural powder had been add in different weight fraction (3, 6, 9, and 12 wt. %) and different average particle size (53 μ m, 106 μ m, 150 μ m, and 212 μ m). Tensile and SEM test had been studied, the results where statistically analyzed by using SPSS (one-way ANOVA) program to evaluate the mean value and show the significant difference for each particle size. The results were as the following: the tensile strength and elongation percentage were dropped with increasing the weight the weight of Pistachio Shell powder, while the Young’s modulus had been increased with increasing the weight fraction of Pistachio Shell powder and reached its maximum value at (12 wt. %) of average particle size (53 μ m). SEM results show that the smoothness of fractured surface will increase and that is suggesting a brittle to semi ductile transformation.","PeriodicalId":196279,"journal":{"name":"2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132112797","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}
引用次数: 21
下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信