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| 1 | Utilisation of transparent synthetic soil surrogates in geotechnical physical models: A review显示文摘Efforts to obtain non-intrusive measurement of deformations and spatial flow within soil mass prior to the advent of transparent soils have perceptible limitations. The transparent soil is a two-phase medium composed of both the synthetic aggregate and fluid components of identical refractive indices aiming at attaining transparency of the resulting soil. The transparency facilitates real life visualisation of soil continuum in physical models. When applied in conjunction with advanced photogrammetry and image processing techniques, transparent soils enable the quantification of the spatial deformation, displacement and multi-phase flow in physical model tests. Transparent synthetic soils have been successfully employed in geotechnical model tests as soil surrogates based on the testing results of their geotechnical properties which replicate those of natural soils. This paper presents a review on transparent synthetic soils and their numerous applications in geotechnical physical models. The properties of the aggregate materials are outlined and the features of the various transparent clays and sands available in the literature are described. The merits of transparent soil are highlighted and the need to amplify its application in geotechnical physical model researches is emphasised. This paper will serve as a concise compendium on the subject of transparent soils for future researchers in this field. | Abideen Adekunle Ganiyu Ahmad Safuan A.Rashid Mohd Hanim Osman | 2016 | Journal of Rock Mechanics and Geotechnical Engineering2016，8，4： | 12 |
| 2 | Analytical and finite-element study of optimal strain distribution in various beam shapes for energy harvesting applications显示文摘Owing to the increasing demand for harvesting energy from environmental vibration for use in self-powered electronic applications, cantilever-based vibration energy harvesting has attracted considerable interest from various parties and has become one of the most common approaches to converting redundant mechanical energy into electrical energy. As the output voltage produced from a piezoelectric material depends largely on the geometric shape and the size of the beam, there is a need to model and compare the performance of cantilever beams of differing geometries.This paper presents the study of strain distribution in various shapes of cantilever beams, including a convex and concave edge profile elliptical beam that have not yet been discussed in any prior literature. Both analytical and finite-element models are derived and the resultant strain distributions in the beam are computed based on a MATLAB solver and ANSYS finite-element analysis tools. An optimum geometry for a vibration-based energy harvesting system is verified.Finally, experimental results comparing the power density for triangular and rectangular piezoelectric beams are also presented to validate the findings of the study, and the claim, as suggested in the literature, is verified. | B.L.Ooi J.M.Gilbert A.Rashid A.Aziz | 2016 | Acta Mechanica Sinica2016，32，4： | 8 |
| 3 | TelG Mote: A Green Wireless Sensor Node Platform for Smart Home and Ambient Assisted Living显示文摘The wireless sensor network(WSN) consists of sensor nodes that interact with each other to collectively monitor environmental or physical conditions at different locations for the intended users. One of its potential deployments is in the form of smart home and ambient assisted living(SHAAL) to measure patients or elderly physiological signals, control home appliances, and monitor home. This paper focuses on the development of a wireless sensor node platform for SHAAL application over WSN which complies with the IEEE 802.15.4 standard and operates in 2.4 GHz ISM(industrial, scientific, and medical) band. The initial stage of SHAAL application development is the design of the wireless sensor node named Tel G mote. The main features of Tel G mote contributing to the green communications include low power consumption, wearable, flexible, user-friendly, and small sizes. It is then embedded with a self-built operating system named Wise OS to support customized operation. The node can achieve a packet reception rate(PRR) above 80% for a distance of up to 8 m. The designed Tel G mote is also comparable with the existing wireless sensor nodes available in the market. | Mohd Rozaini Bin Abd Rahim Rozeha A.Rashid Norsheila Fisal Zubair Khalid Abdul Hadi Fikri Abd Hamid | 2016 | Journal of Electronic Science and Technology2016，14，3： | 1 |
| 4 | Green Architecture for Dense Home Area Networks Based on Radio-over-Fiber with Data Aggregation Approach显示文摘The high-density population leads to crowded cities. The future city is envisaged to encompass a large-scale network with diverse applications and a massive number of interconnected heterogeneous wireless-enabled devices. Hence, green technology elements are crucial to design sustainable and future-proof network architectures. They are the solutions for spectrum scarcity, high latency, interference, energy efficiency, and scalability that occur in dense and heterogeneous wireless networks especially in the home area network(HAN). Radio-over-fiber(ROF) is a technology candidate to provide a global view of HAN's activities that can be leveraged to allocate orthogonal channel communications for enabling wireless-enabled HAN devices transmission, with considering the clustered-frequency-reuse approach. Our proposed network architecture design is mainly focused on enhancing the network throughput and reducing the average network communications latency by proposing a data aggregation unit(DAU). The performance shows that with the DAU, the average network communications latency reduces significantly while the network throughput is enhanced, compared with the existing ROF architecture without the DAU. | Mohd Sharil Abdullah Mohd Adib Sarijari Abdul Hadi Fikri Abdul Hamid Norsheila Fisal Anthony Lo Rozeha A.Rashid Sharifah Kamilah Syed Yusof | 2016 | Journal of Electronic Science and Technology2016，14，2： | 0 |
| 5 | Optical transmission in thin films of vanadium compounds显示文摘Thin films of five vanadium compounds/composite:(1) VO2(3-fl)(3-fl=3-Hydroxyflavone),(2)VO(pbd)2(pbd=1-Phenyl-1, 3-butadione),(3) VO(dbm)2(dbm= Dibenzoylmethane),(4) VPc(Vanadyl Phthalocyanine)and(5) V2O5-PEPC(V2O5- poly-N-epoxypropylcarbazole composite), were deposited by the dropcasting method from the solution in benzene. The transmittance–irradiance relationships were investigated and the transmission in the visible spectrum and optical images were obtained as well. It was found that the transmittance of the VO2(3-fl), VO(pbd)2, VO(dbm)2 and VPc, was practically independent of the irradiance; whereas the transmittance of V2O5-PEPC decreased by 4% for thin and 9% for thick films with an increase of the irradiance. | Kh.S.Karimov M.Mahroof-Tahir M.Saleem N.Ahmad A.Rashid | 2014 | Journal of Semiconductors2014，35，7： | 0 |
| 6 | Influence of Nitrogen Levels and Application Methods on Yield and Quality of Sorghum显示文摘领域研究在干旱带研究院被进行二年, Dera Ismail 中亚细亚,巴基斯坦,在蜀黍(蜀黍二色的 L.) 的生产决定氮和有效申请方法的最佳水平。用氮的四个层次,即, 0 , 60 , 90 ,和 120 kg 哈? 1 ,和二个不同申请方法(土壤申请和叶的水花),实验在一个裂口阴谋图案被利用,在著被用来决定的地方,申请和次要情节的有效方法被用来在谷物收益上检测 N 层次的影响。不管 N 申请使用的方法,在二年学习在谷物显示了增加以后,获得的平均数据随 N 层次的增加让步。谷物收益从 2.92 ~ 5.61 t 增加了哈 ? 1 在阴谋,那与 90 kg N 被对待哈 ? 1 与对照小区相比。二次的回归分析证明收益的增加与成功的高水平相比在 N 的底层是更高的。土壤申请方法,生产 4.79 t 的平均谷物收益哈 ? 1,被发现比有平均谷物 yieldof4.56tha 的叶的水花方法优异 ? 1。谷物的蛋白质内容用 N 申请显示出线性增加,达到在 120 kg N 的最大值哈 ? 1 在两个 N 申请的方法。与土壤申请的方法相比,另外,更高的粗蛋白内容根本用叶的水花的方法被观察 N 层次。 | A.RASHID R.U.KHAN H.ULLAH | 2008 | Pedosphere2008，18，2： | 0 |
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