oalib

OALib Journal期刊

ISSN: 2333-9721

费用：99美元

投稿

时间不限

( 4 )

( 2673 )

( 2672 )

( 2024 )

自定义范围…

匹配条件： “ Mohd Z Salleh” ，找到相关结果约42101条。
列表显示的所有文章，均可免费获取
第1页/共42101条
每页显示 条
Numerical investigation of stagnation point flow over a stretching sheet with convective boundary conditions
Muhammad KA Mohamed, Mohd Z Salleh, Roslinda Nazar and Anuar Ishak
Boundary Value Problems , 2013, DOI: 10.1186/1687-2770-2013-4
Abstract: In this study, the mathematical modeling for stagnation point flow over a stretching surface with convective boundary conditions is considered. The transformed boundary layer equations are solved numerically using the shooting method. Numerical solutions are obtained for the skin friction coefficient, the surface temperature as well as the velocity profiles. The features of the flow and heat transfer characteristics for various values of the Prandtl number, stretching parameter and conjugate parameter are analyzed and discussed.
Numerical simulation bidirectional chaotic synchronization FitzHugh-Nagumo neuronal system
M. Mamat,Z. Salleh,M. Sanjaya WS,I. Mohd
Applied Mathematical Sciences , 2012,
Abstract:
Antinociceptive Activity of Methanol Extract of Muntingia calabura Leaves and the Mechanisms of Action Involved
M. H. Mohd. Sani,Z. A. Zakaria,T. Balan,L. K. Teh,M. Z. Salleh
Evidence-Based Complementary and Alternative Medicine , 2012, DOI: 10.1155/2012/890361
Abstract: Muntingia calabura L. (family Elaeocarpaceae) has been traditionally used to relieve various pain-related ailments. The present study aimed to determine the antinociceptive activity of methanol extract of M. calabura leaves (MEMC) and to elucidate the possible mechanism of antinociception involved. The in vivo chemicals (acetic acid-induced abdominal constriction and formalin-, capsaicin-, glutamate-, serotonin-induced paw licking test) and thermal (hot plate test) models of nociception were used to evaluate the extract antinociceptive activity. The extract (100, 250, and 500 mg/kg) was administered orally 60 min prior to subjection to the respective test. The results obtained demonstrated that MEMC produced significant (<0.05) antinociceptive response in all the chemical- and thermal-induced nociception models, which was reversed after pretreatment with 5 mg/kg naloxone, a non-selective opioid antagonist. Furthermore, pretreatment with L-arginine (a nitric oxide (NO) donor), NG-nitro-L-arginine methyl esters (L-NAME; an inhibitor of NO synthase (NOS)), methylene blue (MB; an inhibitor of cyclic-guanosine monophosphate (cGMP) pathway), or their combination also caused significant (<0.05) change in the intensity of the MEMC antinociception. In conclusion, the MEMC antinociceptive activity involves activation of the peripheral and central mechanisms, and modulation via, partly, the opioid receptors and NO/cGMP pathway.
A Comparison Study of Rectifier Designs for 2.45 GHz EM Energy Harvesting  [PDF]
Sittilin Salleh, Mohd Azman Zakariya, Razak Mohd Ali Lee
Energy and Power Engineering (EPE) , 2021, DOI: 10.4236/epe.2021.132006
Abstract: Energy harvesting is a rapidly growing area in many scientific and engineering-related fields due to the demand for many applications. This paper focuses on the design and simulation of the voltage doubler rectifier circuit at 2.45 GHz operating frequency. The design of a rectifier is optimized based on the use of Schottky diode HSMS 286 B due to its low forward voltage at this frequency. 2 stages of the Schottky diode voltage doublers circuit are designed and simulated in this paper. The shunt capacitor and optimal load resistance are also introduced in the course to reduce signal loss. A multi-stage rectifier is used to produce maximum power conversion from AC to DC. The simulated results present that the maximum output voltage of 6.651 V with an input power of 25 dBm is produced, which presents a maximum power conversion efficiency of 73.13%, which applicable in small device applications.
Zingiber zerumbet (L.) Smith: A Review of Its Ethnomedicinal, Chemical, and Pharmacological Uses
N. J. Yob,S. Mohd. Jofrry,M. M. R. Meor. Mohd. Affandi,L. K. Teh,M. Z. Salleh,Z. A. Zakaria
Evidence-Based Complementary and Alternative Medicine , 2011, DOI: 10.1155/2011/543216
Abstract: Zingiber zerumbet Sm., locally known to the Malay as “Lempoyang,” is a perennial herb found in many tropical countries, including Malaysia. The rhizomes of Z. zerumbet, particularly, have been regularly used as food flavouring and appetizer in various Malays' cuisines while the rhizomes extracts have been used in Malay traditional medicine to treat various types of ailments (e.g., inflammatory- and pain-mediated diseases, worm infestation and diarrhea). Research carried out using different in vitro and in vivo assays of biological evaluation support most of these claims. The active pharmacological component of Z. zerumbet rhizomes most widely studied is zerumbone. This paper presents the botany, traditional uses, chemistry, and pharmacology of this medicinal plant.
Code-Mixing Consumptions among Arab Students  [PDF]
Ashwaq Mohammad Salleh Kenali, Nik Mohd Rahimi Nik Yusoff, Hamadallah Mohammad Salleh Kenali, Mohd Yusri Kamarudin
Creative Education (CE) , 2016, DOI: 10.4236/ce.2016.77097
Abstract: Arabic-English code-mixing is well known as Arabizi. Arabizi is a language phenomenon distinguished among young Arab in particular nowadays. This research is to identify the level of Arabizi consumption among Arab students. The results should assist language experts and Arab governments to ascertain the extent of Arabizi in threatening the Arabic. A total of 1454 students participated in the study and selected randomly from 16 public schools in Saudi Arabia. The study utilized a questionnaire and focused on two different types of Arabizi, spoken and written. Spoken Arabizi measured based on 50 selected Arabizi words using Cronbach’s Alpha scale, while written Arabizi measured based on 14 distinguished Arabizi alphabets using percentage statistics. Findings have shown the level of spoken Arabizi consumption is low and written Arabizi is moderate. The study concludes even the Arabizi has experienced great expansion that it is still in the early age. Experts should, however, carefully confront Arabizi and start a renaissance of Arabic opposing Arabizi starting today, considering its potentially harmful impact in future.
Production of Natural Coagulant from Moringa Oleifera Seed for Application in Treatment of Low Turbidity Water  [PDF]
Eman N. Ali, Suleyman A. Muyibi, Hamzah M. Salleh, Md Zahangir Alam, Mohd Ramlan M. Salleh
Journal of Water Resource and Protection (JWARP) , 2010, DOI: 10.4236/jwarp.2010.23030
Abstract: This study focused on developing an efficient and cost effective processing technique for Moringa oleifera seeds to produce natural coagulant for use in drinking water treatment. The produced natural coagulant can be used as an alternative to aluminum sulphate and other coagulants and used worldwide for water treatment. This study investigates processing Moringa oleifera seeds to concentrate the bio-active constituents which have coagulation activity. Moringa oleifera seeds were processed for oil extraction using electro thermal soxhlet. Isolation and purification of bio-active constituents using chromatography technique were used to determine the molecular weight of the bio-active constituents. The molecular weight of bio-active constitu-ents found to be in a low molecular weight range of between 1000 – 6500 Dalton. The proposed method to isolate and purify the bio-active constituents was the cross flow filtration method, which produced the natu-ral coagulant with very simple technique (oil extraction; salt extraction; and microfiltration through 0.45 µm). The turbidity removal was up to 96.23 % using 0.4 mg/L of processed Moringa oleifera seeds to treat low initial turbidity river water between 34-36 Nephelometric Turbidity Units (NTU) without any additives. The microfiltration method is considered to be a practical method which needs no chemicals to be added com-pared to other researchers proposed methods. The natural coagulant produced was used with low dosages to get high turbidity removal which considered to be a breakthrough in this study and recommended to be scaled up for industry level. The product is commercially valuable at the same time it is minimizing the cost of water treatment.
Differences between In-Field and Out-of-Field History Teachers Influence on Students Learning Experience in Malaysian Secondary Schools  [PDF]
Umi Kalsum Mohd. Salleh, I Gusti Ngurah Darmawan
Creative Education (CE) , 2013, DOI: 10.4236/ce.2013.49B002
Abstract:

The focus of this study was to investigate whether there were differences between the way in-field and out-of-field teachers in Malaysian secondary schools perceived and practiced History education, and the way their students perceived the teaching and learning of History.Both, teacher and student data were examined. A statistical analysis was conducted to validate the survey and test the relationships between variables. The results showed that there were significant differences between in-field and out-of-field teachers in the teacher characteristics of experience and student variables of classroom climate and History learning outcomes, but not on teaching approaches and methods.

Use of instantaneous energy of ABR signals for fast detection of wave V  [PDF]
Adeela Arooj, Mohd Rushaidin Muhamed, Sheikh Hussain Shaikh Salleh, Mohd Hafizi Omar
Journal of Biomedical Science and Engineering (JBiSE) , 2010, DOI: 10.4236/jbise.2010.38109
Abstract: Brainstem evoked response audiometry is a powerful diagnostic technique in audiology, otology and neurology. ABR(Auditory Brainstem Response) machine has been very useful and popular in past two decades for detection of hearing defects and pathologies in newborns and children. In ABR, wave V is the most prominent and robust wave that has been used as indicator of hearing loss. However, a fast detection of the wave V is necessary in order to implement newborn hearing screening. Researchers have introduced different kind of signal processing technique in order to achieve this target and one of this is Fast Fourier Transform (FFT) and Wavelet Transform. In this study, the instantaneous energy of ABR signal had been introduced as a marker to identify the ABR waves. Study showed that the instantaneous energy of auditory brainstem response can be used as a marker to identify the ABR waves. This study had proposed a platform for fast hearing screening system.
Goal orientations and typology of women entrepreneurs
Zarina Salleh,Mohd Hassan Mohd Osman
Jurnal Kemanusiaan , 2007,
Abstract: This study examines goal orientations of women entrepreneurs as owners of smaller firms and presents a typology of women entrepreneurs based on this aspect. The samples are women owners of small-size firms in Malaysia. A sequential mixed method was adopted for the study. Primary data were collected using a self administered questionnaire that was distributed through mail survey, followed by personal interview for case study purposes. Result of the survey shows that in general women have higher economically inclined motives for venturing into business. Four types of women entrepreneurs are identified in the case study based on their goal orientations.
第1页/共42101条
每页显示 条


Home
Copyright © 2008-2020 Open Access Library. All rights reserved.