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| 1 | A modified failure criterion for transversely isotropic rocks显示文摘A modified failure criterion is proposed to determine the strength of transversely isotropic rocks. Mechanical properties of some metamorphic and sedimentary rocks including gneiss, slate, marble, schist,shale, sandstone and limestone, which show transversely isotropic behavior, were taken into consideration. Afterward, introduced triaxial rock strength criterion was modified for transversely isotropic rocks.Through modification process an index was obtained that can be considered as a strength reduction parameter due to rock strength anisotropy. Comparison of the parameter with previous anisotropy indexes in literature showed reasonable results for the studied rock samples. The modified criterion was compared to modified Hoek-Brown and Ramamurthy criteria for different transversely isotropic rocks. It can be concluded that the modified failure criterion proposed in this study can be used for predicting the strength of transversely isotropic rocks. | Omid Saeidi Vamegh Rasouli Rashid Geranmayeh Vaneghi Raoof Gholami Seyed Rahman Torabi | 2014 | Geoscience Frontiers2014,5,2: | 16 |
| 2 | Significant aspects of carbon capture and storage–A review显示文摘Excessive emission of greenhouse gases into the atmosphere has resulted in a progressive climate change and global warming in the past decades.There have been many approaches developed to reduce the emission of Carbon Dioxide(CO2)into the atmosphere,among which Carbon Capture and Storage(CCS)techniques has been recognized as the most promising method.This paper provides a deeper insight about the CCS technology where CO2 is captured and stored in deep geological formations for stabilization of the earth's temperature.Principles of capturing and storage for a long-term sequestration are also discussed together with the processes,mechanisms and interactions induced by supercritical CO2 upon injection into subsurface geological sites. | Arshad Raza Raoof Gholami Reza Rezaee Vamegh Rasouli Minou Rabiei | 2019 | Petroleum2019,5,4: | 7 |
| 3 | Sensitive Voltammetric Determination of Captopril Using a Carbon Paste Electrode Modified with Nano-TiO_2/Ferrocene Carboxylic Acid显示文摘A carbon paste electrode (CPE) modified with ferrocene carboxylic acid (FcCA) and TiO2 nanoparticles was constructed by incorporating TiO2 nanoparticles and ferrocene carboxylic acid into the carbon paste matrix. The electrochemical behavior of captopril (CAP) at the surface of the modified electrode was investigated using electroanalytical methods. The modified electrode showed excellent electrocatalytic activity for the oxidation of CAP in aqueous solutions at physiological pH values. Cyclic voltammetric curves showed that the oxidation of CAP at the surface of the modified electrode reduced its overpotential by more than 290 mV. The modified electrode was used for detecting captopril using cyclic voltammetry and square wave voltammetry techniques. A calibration curve in the range of 0.03 to 2400 μmol/L was obtained that had a detection limit of 0.0096 μmol/L (3?) under the optimized conditions. The modified electrode was successfully used for the determination of captopril in pharmaceutical and biological samples. | Jahan Bakhsh RAOOF Reza OJANI Mehdi BAGHAYERI | 2011 | 催化学报2011,32,11: | 6 |
| 4 | A rapid synthesis of high surface area PdRu nanosponges:Composition-dependent electrocatalytic activity for formic acid oxidation显示文摘Here, Pd Ru nanoparticle networks(NPNs) with various compositions were synthesized through an inexpensive method in water as a green solvent, at different ratios of the H_2PdCl_4 and RuCl_3 precursors. This is a fast, room temperature and surfactant free strategy which is able to form high surface area metal nanosponges with a three-dimensional(3D) porous structure. The structure of as-prepared nanosponges was characterized using the techniques of field emission scanning electron microscopy(FESEM), energy dispersive spectroscopy(EDS) and cyclic voltammetry(CV). Then, the electrocatalytic activities of Pd Ru NPNs towards formic acid oxidation were examined by electrochemical measurements including CV,chronoamperometry, and electrochemical impedance spectroscopy(EIS). Based on studies, it was found that the current density of formic acid oxidation(FAO) is strongly dependent on the composition of Pd Ru NPNs. The best performance was realized for Pd_4Ru_1 NPNs compared to monometallic Pd counterpart and other bimetallic NPNs which might be ascribed to the role of Ru in the decrease of CO adsorption strength on the catalyst and consequently the priority of formic acid oxidation through the direct pathway. The Pd_4Ru_1 NPNs also showed the maximum current density and stability in chronoamperometric measurements. In addition, comparative studies were performed between as-prepared NPNs and CNTs-supported Pd nanoparticles(Pd NPs/CNTs). The present results demonstrated the unique structural advantages of NPNs compared to individual Pd NPs supported on the CNT which leads to the promising performance of NPNs as supportless catalysts for the oxidation of formic acid. | Ehteram Hasheminejad Reza Ojani Jahan Bakhsh Raoof | 2017 | Journal of Energy Chemistry2017,26,4: | 2 |
| 5 | Prediction of the Behaviour of RC Beams with Exposed Reinforcement显示文摘 | Zhang S Raoof M | 1995 | Magazine of Concrete Research1995,47,173: | 2 |
| 6 | Developing a Nano-Biosensor for DNA Hybridization Using a New Electroactive Label显示文摘电气化学的 DNA 杂交生物传感器的开发作为变换器和乙醇绿色基于碳粘贴电极(用户终端设备) 和金 nanoparticle 修改了碳粘贴电极(NGMCPE )( 例如) 作为新 electroactive,标签被描述。电气化学的阻抗光谱学和周期的 voltammetry 技术被申请赤裸的用户终端设备和 NGMCPE 的调查和比较出现。我们的 voltammetric 和分光镜的研究证明金 nanoparticles 是启用在 DNA 探查上便于在积累的标签之间的电子转移修改电极和电极出现并且提高电的信号并且导致改进察觉限制。在探查和它的互补顺序之间的工作电极和杂交事件上的一根 15-mer 单身者海滨 oligonucleotide 探针的固定被 EG 的回答在电极上积累了的微分脉搏 voltammetry (DPV ) 作为一个目标调查。生物传感器的表演上的一些试验性的变量的效果被调查,最佳条件被建议。生物传感器的选择用某非补足的 oligonucleotides 被学习。最后,察觉限制作为 1.35 被计算吗?? | Raoof, Jahan Bakhsh Ojani, Reza Ebrahimi, Maryam Hamidi-Asl, Ezat | 2011 | Chinese Journal of Chemistry2011,29,11: | 2 |
| 7 | 用聚(L-蛋氨酸)/纳米金修饰玻碳电极同时灵敏检测多巴胺和尿酸(英文)显示文摘A novel electrochemical sensor was fabricated by electrodeposition of gold nanoparticles on a poly(L-methionine)(PMT)-modified glassy carbon electrode(GCE) to form a nano-Au/PMT composite-modified GCE(nano-Au/PMT/GCE).Scanning electron microscopy and electrochemical techniques were used to characterize the composite electrode.The modified electrode exhibited considerable electrocatalytic activity towards the oxidation of dopamine(DA) and uric acid(UA) in phosphate buffer solution(pH = 7.00).Differential pulse voltammetry revealed that the electrocatalytic oxidation currents of DA and UA were linearly related to concentration over the range of 5.0 ×10–8 to 10–6 mol/L for DA and 7.0 × 10–8 to 10–6 mol/L for UA.The detection limits were 3.7 × 10–8mol/L for DA and 4.5 × 10–8 mol/L for UA at a signal-to-noise ratio of 3.According to our experimental results,nano-Au/PMT/GCE can be used as a sensitive and selective sensor for simultaneous determination of DA and UA. | Reza Ojani Jahan-Bakhsh Raoof Ali Asghar Maleki Saeid Safshekan | 2014 | 催化学报2014,35,3: | 2 |
| 8 | A nano-particle based approach to improve filtration control of water based muds under high pressure high temperature conditions显示文摘There have been many attempts to improve the filtration control of water based muds under High Pressure High Temperature(HPHT)condition using a cost effective approach.Nano particles are perhaps the best option considering their successful applications reported in many studies.However,they are often expensive and pose unfavourably changes on the rheology of the muds.In this paper,an attempt was made to show the application of Nano Glass Flakes(NGFs)as a cheap but effective nano particle to control the filtration of water based muds under HPHT conditions.Performing a series of rheology,filtration and conductivity tests on the mud samples with unmodified NGFs revealed that this nano particle increases the mud rheology,yield point and gel strength of the mud with a slight impact on the filtration loss.However,by modifying the surface charges of NGFs with a cationic surfactant,filtration loss was significantly reduced without any severe impacts on the mud rheology.Considering the conductivity of the mud which increases by adding the modified NGF,this nano particle might be a good choice to improve the overall performance of water based muds under HPHT conditions. | Ong Siong Guan Raoof Gholami Arshad Raza Minou Rabiei Nikoo Fakhari Vamegh Rasouli Omid Nabinezhad | 2020 | Petroleum2020,6,1: | 2 |
| 9 | Circulating mitochondrial DAMPs cause inflammatory responses to injury显示文摘 | Zhang Q Raoof M Chen Y | 2010 | Nature2010,464,2785: | 1 |
| 10 | Circulating mitochondrial DAMPs cause inflammatory responses to injury 显示文摘 | Zhang Q Raoof M Chen Y etal | 2010 | Nature2010,464,7285: | 1 |
| 11 | The potentiometriceffect of hydrazine on a BZ oscillating chemical reac-tion:Application to the determination of hydrazine显示文摘 | Raoof J B Ojani R Kiani A | 2005 | Bull Chem Soc Jpn2005,78,2: | 1 |
| 12 | Circulating mitochondrial DAMPs cause inflammatory responses to injury显示文摘 | Zhang Q Raoof M Chen Y | 2010 | Nature2010,464,: | 1 |
| 13 | Reallife juvenile toxicity case studies: the good,the bad and the ugly显示文摘 | DE SCHAEPDRIJVER L ROUAN MC RAOOF A | 2008 | Reprod Toxicol2008,26,1: | 1 |
| 14 | A novel and simple electrochemi- cal sensor for eleetrocatalytic reduction of nitrite and oxidation of phenylhydrazine based on poly (o-anisidine) film using ionic liquidcarbon paste electrode显示文摘 | Ojani R Raoof J B Zamani S | 2013 | Applied Surface Science2013,271,: | 1 |
| 15 | Pricing-based resource allocation in ad-hoc networks using auction theory显示文摘 | RAOOF O ALRAWESHIDY H S | 2010 | Fu- ture Network and Mobile Summit2010,,6: | 1 |
| 16 | L-type amino acidtransporter-1 overexpression and melphalan sensitivity inBarrettes adenocarcinoma显示文摘 | Lin J Raoof DA Thomas DG | 2004 | Neoplasia2004,6,1: | 1 |
| 17 | Severe hpypoxemic respiratory failure:part 1-ventilatory strategies显示文摘 | EsanA HessDR RaoofS | 2010 | Chest2010,137,5: | 1 |
| 18 | Severe hypoxemic re- spiratory failure: part 1-ventilatory strategies显示文摘 | Esan A Hess DR Raoof S | 2010 | Chest2010,137,5: | 1 |
| 19 | Circulating mitochondrial DAMPs cause inflammatory responses to injury显示文摘 | Zhang Q Raoof M Chen Y | 2010 | Nature2010,464,7285: | 1 |
| 20 | Free bending characteris- tics of axially preloaded spiral strands显示文摘 | RAOOF M HUANG Y P | 1992 | Proceed- ings of the Institution of Civil Engineers-Structures and Buildings1992,94,4: | 1 |