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2012 IEEE Symposium on Humanities, Science and Engineering Research最新文献

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The effect of household fabric softener on flame resistance of cellulosic fabrics 家用织物柔顺剂对纤维织物阻燃性的影响
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268991
W. S. Ruznan, N. Yusof, M. Yusoh, M. I. A. Kadir, M. I. Misnon, W. Ahmad, M. Ahmad, D. H. Azmi, N. Ahmad
Flammability of textile products refers to their burning behaviour, especially ease of ignition and continuous burning after ignition. The main objective of this project is to investigate the effects of fabric softeners on flame resistance of viscose rayon, cotton and linen fabrics. The test conducted in this project was flammability test. The ignition time, the flaming behavior, the duration of flaming, afterglow and the trip-thread test of fabric were evaluated. The standards used for this test was BS 5438-1991. The initial fabric properties after being treated with household fabric softener resulted in increasing value of fabric thickness and fabric weight. However, there was decreasing value of fabric density in all treated fabric. In conclusion, it shows that fabric softeners had a significant influence on the flame resistance property of viscose rayon and cotton fabric. The final results show that the ignition time and duration of afterglow were increased but it was opposite to the duration of flaming which decreased for each types of treated fabric. The final results also indicate that the fabric becomes more flammable after treated with fabric softener.
纺织品的可燃性是指纺织品的燃烧性能,特别是着火后的易燃性和持续燃烧性。本项目的主要目的是研究织物柔顺剂对粘胶、棉麻织物阻燃性的影响。在这个项目中进行的测试是可燃性测试。对织物的点火时间、燃烧性能、燃烧持续时间、余辉和脱线性能进行了评价。该测试使用的标准是BS 5438-1991。家用织物柔顺剂处理后织物的初始性能导致织物厚度和织物重量的增加。但各处理织物的密度值均呈下降趋势。综上所述,织物柔顺剂对粘胶棉织物的阻燃性能有显著影响。结果表明:不同处理类型织物的燃烧时间和余辉持续时间均有所增加,而燃烧持续时间则相反,燃烧持续时间均有所减少。结果还表明,织物经柔顺剂处理后,其可燃性增强。
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引用次数: 1
Smoke shooter: Introducing danger of smoking to school children with persuasive technology 烟枪:用劝导技术向学生介绍吸烟的危害
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268819
Mohammad Hafiz bin Ismail, S. Ahmad, A. F. Rosmani, N. Shuib
Children need to have adequate information on danger of smoking because smoking is bad to their health. This can be achieved by using persuasive technology to change the attitudes or behaviors of the users through persuasion and social influence. The objectives of this research are to provide a new medium for campaigning on the danger of smoking and to propose a conceptual framework based on Bandura' Social Learning Theory and Fogg' Behavior Model. This research will apply the principles of persuasive technology into interactive mobile game to influence children behavior into rejecting smoking habits from the early age. Future work will develop and evaluate mobile game prototype based on the conceptual framework proposed.
孩子们需要获得有关吸烟危害的充分信息,因为吸烟对他们的健康有害。这可以通过使用说服技术通过说服和社会影响来改变用户的态度或行为来实现。本研究的目的是为宣传吸烟的危害提供一种新的媒介,并提出一个基于班杜拉社会学习理论和福格行为模型的概念框架。本研究将说服技术的原理应用到互动手机游戏中,影响儿童从小就拒绝吸烟习惯的行为。未来的工作将基于提出的概念框架开发和评估手机游戏原型。
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引用次数: 9
Electrical, dielectric and structural properties of MgO thin films deposited on single layer ZnO using chemical solution method 化学溶液法沉积单层ZnO上MgO薄膜的电学、介电和结构性能
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268883
Z. Habibah, N. Syafawati, L. N. Ismail, R. A. Bakar, M. H. Mamat, M. Rusop
The electrical, dielectric and structural properties of multilayer ZnO/MgO films prepared by simple chemical deposition technique were investigated using I-V measurement, impedance spectroscopy analyzer and field emission scanning electron microscope (FESEM). From the observation, it shows that the annealing temperature influence the electrical, dielectric and structural properties of ZnO/MgO multilayer films. Denser films and small particles are produced as the annealing temperature increase from 400°C to 500°C with 25°C interval.
采用I-V测量、阻抗谱分析仪和场发射扫描电镜(FESEM)研究了简单化学沉积法制备的多层ZnO/MgO薄膜的电学、介电和结构性能。结果表明,退火温度对ZnO/MgO多层膜的电学性能、介电性能和结构性能均有影响。退火温度从400℃升高到500℃,间隔25℃,薄膜致密,颗粒小。
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引用次数: 0
Endophytic pyrones Aspergillus sp. display anti-proliferative effect on several cancer cell lines 内生pyroones Aspergillus sp.对几种肿瘤细胞系具有抗增殖作用
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268784
A. G. N. Hamiyah, A. Saad, A. Nazri, K. Ramasamy, J. Weber, W. Iryani
Endophytes are microorganisms that grow in the tissues of higher plants without causing any harm on the plants. They have been proven to be a rich source of bioactive natural products particularly in antioxidant properties. A previous study showed that endophytic Aspergillus sp. strain (HAB10R12) produces a series of secondary metabolite compounds with cytotoxic properties. In this study, levels of phenolic compounds (one of antioxidant properties) from the endophytic pyrone rich extract was measured by total phenolic content (TPC) assay. Subsequently, anti-proliferative effect of the extract was tested against human breast adenocarcinoma (MCF-7), colonic carcinoma (HCT116), adenocarcinoma human alveolar basal epithelial (A549) and human hepatocellular cancer (HepG2) cell lines using 3-(4, 5-dimethylthiazole-2yl)-2, 5-diphenyltetrazolium bromide (MTT) assay. The endophytes exhibited the most potent effect against HepG2 (IC50 = 0.024 μg/mL) followed by MCF-7 (IC50 = 0.347 μg/mL), HCT 116 (IC50 = 0.368 μg/mL) and A549 (IC50 = 0.850 μg/mL) at 0.0379 ± 0.001 mg/100 mg GAE of TPC. The findings reveal that the endophytic pyrones have potent anti-proliferative effects in-vitro.
内生菌是生长在高等植物组织中而不对植物造成任何伤害的微生物。它们已被证明是生物活性天然产物的丰富来源,特别是在抗氧化特性方面。先前的研究表明,内生曲霉(Aspergillus sp.)菌株(HAB10R12)产生一系列具有细胞毒性的次级代谢产物化合物。本研究采用总酚含量(TPC)法测定了富内生吡咯酮提取物中酚类化合物(抗氧化特性之一)的含量。随后,采用3-(4,5 -二甲基噻唑-2基)- 2,5 -二苯基溴化四唑(MTT)法检测提取物对人乳腺腺癌(MCF-7)、结肠癌(HCT116)、腺癌人肺泡基底上皮(A549)和人肝细胞癌(HepG2)细胞株的抗增殖作用。在TPC浓度为0.0379±0.001 mg/100 mg时,内生菌对HepG2的抑制作用最强(IC50 = 0.024 μg/mL),其次是MCF-7 (IC50 = 0.347 μg/mL)、HCT 116 (IC50 = 0.368 μg/mL)和A549 (IC50 = 0.850 μg/mL)。结果表明,内生吡咯酮具有较强的体外抗增殖作用。
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引用次数: 1
Screening and identification of Pasteurella multocida capsular types among animal cases in Malaysia 马来西亚动物病例中多杀性巴氏杆菌荚膜型的筛选和鉴定
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268989
S. Mohamad, Nurul Azmi, R. Mohamed
P. multocida was commonly characterized according to the established five capsular types designated as A, B, D, E and F. In this study, P. multocida strains isolated from 121 animal cases and confirmed by phenotyping analysis were used in genotype distribution study in Malaysia. Multiplex PCR assay effectively characterized individual capsular type for all P. multocida isolates by production of two distinct products; KMT1 amplimer as species specific identification and the individual specific capsular type of each isolates. Multiplex PCR identified four common P. multocida capsular types in Malaysia which are capsular type A in 38 (31.4%) cases, type B in 23 (19.0%) cases, type D in 59 (48.8%) cases and only 1 (0.8%) case belonged to type F. Based on the genotypic distribution among animal cases, most avian (12/18) and rabbit (4/5) cases were caused by capsular type A, cattle (7/16) and buffalo (3/5) cases were capsular type B and 48/66 of caprine cases were capsular type D. In conclusion, P. multocida isolated from animal cases in Malaysia is dominated by capsular type D followed by types A, B and F respectively.
多杀假单胞菌具有A、B、D、E和f五种荚膜类型,本研究从121例动物中分离并经表型分析证实的多杀假单胞菌在马来西亚进行了基因型分布研究。多重PCR法通过两种不同的产物有效地鉴定了所有多杀假单胞菌的荚膜类型;KMT1扩增子作为各菌株的种特异性鉴定和个体特异性荚膜类型。复合PCR鉴定四种常见p multocida荚膜类型在马来西亚荚膜型在38(31.4%)例,B型23例(19.0%)情况下,D型在59岁(48.8%)例和1(0.8%)例属于类型f .基于动物的基因型的分布情况下,大多数鸟类(12/18)和兔(4/5)例由于荚膜型,牛(7/16)和水牛荚膜型(3/5)例B和48/66的荚膜型D .总之,山羊的例从马来西亚动物病例中分离到的多杀假单胞菌以荚膜型D为主,其次是A型、B型和F型。
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引用次数: 1
Shear strength of steel and CFRP to timber interface 钢和CFRP与木材界面的抗剪强度
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268832
H. Azlan, Z. Ahmad, R. Hassan, A. Jamadin
Adhesives can be used to form load-bearing joints in timber structures, both in repair and in new-build applications. An efficient and cost-effective method of making joints is to use rods or dowels or plate, bonded into pre-drilled holes in timber elements, by using structural adhesive for transferring structural loads between such elements. An adhesive is expected to hold materials together and transfer design loads from one adherend to other within a given service environment for the life of the structure. The behavior of the joints depends on many parameters such as glue-line thickness, types of rods, types of adherends etc. This paper reports the behavior of bonded-in joint by varying the plate types (steel and carbon fiber reinforced plastic (CFRP) plates) and timber types (Keruing and Kempas). To characterize the performance of the bonded-in joints, a series of test were conducted such as pull-out test and block shear test. As the strength properties of the joint greatly affected by the adhesive, the mechanical properties of the adhesives were also determined by conducting flexural and tensile test. The results show that the shear strength of bonded-in joint using CFRP plate is higher than bonded-in joint using steel plate.
粘合剂可用于形成木结构的承重接缝,无论是在修复还是在新建应用中。制造接头的一种有效和经济的方法是使用杆或销子或板,通过使用结构粘合剂在这些元件之间传递结构载荷,粘合到木材元件的预钻孔中。在给定的使用环境中,粘合剂可以将材料粘合在一起,并将设计载荷从一种粘合剂转移到另一种粘合剂,以延长结构的使用寿命。接头的性能取决于许多参数,如胶线厚度、棒的类型、附着物的类型等。本文报道了通过改变板型(钢和碳纤维增强塑料(CFRP)板)和木材类型(克鲁和肯帕斯)的粘合节点的性能。为了对连接节点的性能进行表征,进行了拉拔试验和块剪试验等一系列试验。由于胶粘剂对接头的强度性能影响较大,因此还通过进行弯曲和拉伸试验来确定胶粘剂的力学性能。结果表明:CFRP板连接节点的抗剪强度高于钢板连接节点;
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引用次数: 2
Identifying the definite base of COI for extraction of DNA sequences using LPBS 确定COI碱基用于LPBS提取DNA序列
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268794
S. Abdullah, H. Harun, N. M. Hussin, J. N. Hamid, R. Hanaphi
This paper presents the use of the `Linear-PSO with Binary Search' (LPBS) algorithm for discovering motifs, especially species-specific motifs. In this study, two samples from different fragments of `mitochondrial cytochrome C oxidase subunit I' (COI/COX1) were collected from the Genbank online database. DNA sequences for the first sample are a mix of different fragments of COI and the second sample is from the same fragment of COI. The genome of COI was used as a reference set and other DNA sequences were used as a comparison set. All the collected DNA sequences are from the same species. The results show that the LPBS algorithm is able to discover motifs of greater length when using DNA sequences from the same fragment of COI. The experiment also found that 139 can be used as a starting base for COI DNA sequences extraction to discover species-specific motifs.
本文介绍了“线性粒子群与二分搜索”(LPBS)算法用于发现基序,特别是物种特异性基序。本研究从Genbank在线数据库中收集了两个不同片段的“线粒体细胞色素C氧化酶亚基I”(COI/COX1)样本。第一个样本的DNA序列是不同COI片段的混合,第二个样本来自相同的COI片段。COI基因组作为参考集,其他DNA序列作为比较集。所有收集到的DNA序列都来自同一物种。结果表明,LPBS算法在使用来自相同COI片段的DNA序列时能够发现更长的基序。实验还发现139可以作为COI DNA序列提取的起始碱基,以发现物种特异性基序。
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引用次数: 3
Efficient coupled noise estimation for RLC on-chip interconnect RLC片上互连的高效耦合噪声估计
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268792
V. Maheshwari, S. Gupta, K. Khare, V. Yadav, R. Kar, D. Mandal, A. Bhattacharjee
This paper presents an accurate, fast and simple closed form solution to estimate crosstalk noise between two adjacent wires in VLSI circuits, using RLC interconnect model. Noise analysis and avoidance techniques are critical steps in deep submicron VLSI technology. Currently noise analysis performed either through circuit or timing simulation. These techniques are still inefficient for analyzing massive amount of interconnect data found in present day integrated circuit. This paper presents an efficient technique for estimation of coupled noise in on-chip VLSI interconnects. This noise estimation metric is an upper bound for RLC circuit, being similar in spirit to Elmore delay in timing analysis. Such an efficient noise metric is required especially for noise and physical design based noise avoidance techniques.
本文利用RLC互连模型,提出了一种精确、快速、简单的封闭形式估计VLSI电路中相邻导线间串扰噪声的方法。噪声分析和避免技术是深亚微米超大规模集成电路技术的关键步骤。目前,噪声分析要么通过电路进行,要么通过时序模拟进行。这些技术对于分析目前集成电路中发现的大量互连数据仍然效率低下。本文提出了一种估计片上VLSI互连中耦合噪声的有效方法。该噪声估计度量是RLC电路的上界,在时序分析中与Elmore延迟在精神上类似。这种有效的噪声度量对于基于噪声避免技术的噪声和物理设计尤为重要。
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引用次数: 6
Controllable density of aligned zinc oxide nanorod arrays by molarities variation 利用摩尔浓度变化控制氧化锌纳米棒排列密度
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268810
S. Muhamad, N. F. A. Rahman, S. A. Bakar, M. H. Mamat, M. Rusop
In this paper, we have demonstrated a controllable growth of densely-packed aligned zinc oxide (ZnO) nanorod arrays by molarities variation using chemical bath depositon (CBD) method at low temperature. By increasing the solution's molarities, the grown nanorods become denser, eliminating the empty space that leads to an electron trapping phenomenon. This must be due to the extra supplement of Zn ion in the solution at higher molarities. This will then lead to a better conductivity that might be useful for other electronic devices applications.
在本文中,我们利用化学浴沉积(CBD)方法在低温条件下,通过改变摩尔浓度,实现了致密排列氧化锌(ZnO)纳米棒阵列的可控生长。通过增加溶液的摩尔浓度,生长的纳米棒变得更致密,消除了导致电子捕获现象的空白空间。这一定是由于在溶液中以较高的摩尔浓度额外补充了Zn离子。这将导致更好的导电性,这可能对其他电子设备的应用有用。
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引用次数: 1
4-π Crosstalk noise model for deep submicron VLSI global RC interconnects 深亚微米VLSI全局RC互连的4-π串扰噪声模型
Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268869
V. Maheshwari, N. Joshi, Anushree, R. Kar, D. Mandal, A. Bhattacharjee
This paper presents an improved, highly accurate and efficient complete analytical 4-π crosstalk noise model which incorporates all physical properties such as victim and aggressor drivers, coupling locations in both lines (victim and aggressor) and distributed RC characteristics of on-chip VLSI interconnects. In this paper, various noise avoidance approaches are explained. Sensitivity expressions of parameters to peak noise and noise width are also used in this explanation. The analysis and evaluation of the parameters are done using the proposed model. In the explanation of crosstalk noise model various driver/interconnect parameters are included as done in any sensitivity based noise avoidance approach.
本文提出了一种改进的、高精度和高效的完整解析型4-π串扰噪声模型,该模型结合了片上VLSI互连的所有物理特性,如受害者和侵略者驱动器、两线(受害者和侵略者)中的耦合位置以及分布式RC特性。本文介绍了各种噪声避免方法。在这个解释中也使用了参数对峰值噪声和噪声宽度的灵敏度表达式。利用所提出的模型对参数进行了分析和评价。在串扰噪声模型的解释中,包括各种驱动器/互连参数,就像在任何基于灵敏度的噪声避免方法中一样。
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引用次数: 2
期刊
2012 IEEE Symposium on Humanities, Science and Engineering Research
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