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Vibration on Building： A Stability Analysis Using PID Controller

材料科学与工程（中英文版） 2010年第5期4卷 71-79页

作者： Mohd Azli Salim Mohd Khairi mohamed nor Aminurrashid Noordin Faculty of Mechanical Engineering Universiti Teknikal Malaysia Melaka Karung Berkunci 1752 Pejabat Pos Durian TunggalDurian Tungga 76109l Melaka Malaysia Faeulty of Electrical Engineering Universiti Teknikal Malaysia Melaka Karung Berkunci 1752 Pejabat Pos Durian TunggalDurian Tunggal 76109 Melaka Malaysia

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Production of Biodiesel from Cottonseed Oil over Aminated Flax Fibres Catalyst: Kinetic and Thermodynamic Behaviour and Biodiesel Properties

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Advances in Chemical Engineering and Science 2019年第4期9卷 281-298页

作者： Rihab Musaad Moawia mohamed Mahmoud Nasef nor Hasimah mohamed Adnan Ripin Hamdy Farag School of Chemical and Energy Engineering Universiti Teknologi Malaysia Skudai Malaysia Chemical Engineering Department Universiti Teknologi PETRONAS Seri Iskandar Malaysia Malaysia Japan International Institute of Technology Universiti Teknologi Malaysia Kuala Lumpur Kuala Lumpur Malaysia Radiation Processing Technology Division Malaysian Nuclear Agency Kajang Malaysia Chemistry Department Faculty of Science Mansoura University Mansoura Egypt Department of Material Process Engineering Graduate School of Engineering Kyushu University Fukuoka Japan

The transesterification of cottonseed oil in the presence of methanol to fatty acid methyl ester (FAME) using flax-based fibres catalyst modified with an alkaline moiety was studied. The catalyst was prepared by radiation induced grafting (RIG) of glycidyl methacrylate (GMA) onto dignified flax fibres followed by amination with diethylamine (DEA) and treatment with NaOH solution. A maximum FAME conversion of 88.6% was obtained at 60°;C with a catalyst dosage of 2.5 wt%, an oil/methanol ratio of 1:33 and a time of 2 h. The biodiesel quality was verified by nuclear magnetic resonance (1H NMR). Kinetic analysis showed a reaction activation energy of 69.33 kJ·molˉ1 and a rate constant of 0.00349 minˉ1 indicating that the catalytic reaction was kinetically controlled. Thermodynamic analyses revealed that the reaction was reversible, non-spontaneous and endothermic with an enthalpy of 66.62 kJ·molˉ1. The obtained biodiesel showed physical and chemical characteristics complying with ASTM D6751. It can be concluded that the alkaline biopolymer catalyst prepared in the present study is a promising green candidate for biodiesel production.

关键词： Biodiesel Production Radiation Grafted Basic Flax Fibres Catalyst Cottonseed Oil Transesterification Kinetics and Thermodynamics Radiation Induced Grafting

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The Design of Nonlinear Servo System using Fuzzy Method

The Design of Nonlinear Servo System using Fuzzy Method

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第24届中国控制与决策会议

作者： Mohd Khairi bin mohamed nor Shigenori Okubo System and Information Engineering Graduate School of Science and Engineering Yamagata University

In this paper, the design of the nonlinear fuzzy servo system will be discussed. The idea behind of this control method is to divide the operating region of nonlinear servo system into small areas, and treated as a collection of local linear servo systems. The control rule of each local linear servo systems has been calculated using Davison-Smith Method. Fuzzy method has been applied to each local linear servo system and combines it as new control rule. The Lyapunov stability theory is used to develop the bounded condition for the proposed system. The simulation of the inverted pendulum system has been done to illustrate the effectiveness of the proposed method. The result shows that the proposed method can stabilize the system.

关键词： Nonlinear servo system Fuzzy control Davison-Smith method Inverted pendulum system

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Stimulation of Multiple Leader Formation in Some Genotypes of Acacia mangiumand Acacia auriculiformiswith 6-Benzylaminopurine (BAP)

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Open Journal of Forestry 2015年第7期5卷 637-650页

作者： Ahmed mohamed Adam Eldoma Sures Kumar Muniandi nor Aini Ab Shukor College of Forestry and Range Sciences Sudan University of Science and Technology Khartoum Sudan Department of Forest Management Faculty of Forestry Universiti Putra Malaysia Serdang Malaysia Institute of Tropical Forestry and Forest Product Universiti Putra Malaysia Serdang Malaysia

Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex. Benth. are two of the fast-growing tropical acacias which have received priority for genetic assessment and improvement. They were therefore proposed for timber production in a short rotation in Malaysia but were impeded by the multiple leaders (ML) formation which limited their value as sawn timber. This work attempts to investigate the causes of ML formation in four genotypes of A. mangium and A. auriculiformis as related to apical dominance, nutrition and plant growth hormones and their correlations. The effects of 6-benzylaminopurine and decapitation on ML formation of these genotypes were also investigated. 6-benzylaminopurine (BAP) as a foliar spray and also decapitation did not stimulate ML formation. However, they significantly increased the number of branches and reduced all other growth traits including height. However, basal diameter was not affected by decapitation. The effects of BAP increased consistently with increasing level of application. BAP at 1500 mg·Lǃ resulted in mortality of A. mangium provenances while A. auriculiformis provenances survived and grew normally. Some of the BAP treated plants of both species developed juvenile pinnate leaves. Decapitation of the apical bud resulted in the activation of the lateral bud immediately below the point of decapitation.

关键词： Cytokinin Multiple Leader Provenance Genotypes Apical Control Stem Form

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Liver cirrhosis and splenomegaly associated with Schistosoma mansoni in a Sudanese woman in Malaysia:A case report

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Asian Pacific Journal of Tropical Medicine 2015年第4期8卷 334-336页

作者： Yamuna Rajoo Rohela Mahmud Ng Rong Xiang Sharifah F.S.Omar G Kumar Yvonne A.L Lim Arine Fadzlun Ahmad Amirah Amir Zurainee mohamed nor Romano Ngui Department of Parasitology Faculty of MedicineUniversity of Malaya Department of Medicine Faculty of MedicineUniversity of Malaya Department of Biomedical Imaging Faculty of MedicineUniversity of Malaya

We report a case of a patient with Schistosoma mansoni infection who presented with liver cirrhosis and *** was diagnosed by a serological test and Kato-Katz thick smear stool *** patient was a 52-year-old woman from Sudan who came to Malaysia for a week to visit her *** patient lives in the middle of Rabak region,Sudan,a highly endemic area for schistosomiasis where her daily routine includes rearing of cows and *** site of toilet and sources of drinking water are canals and wells;both infested with *** had a long history of exposure and coming into contact with water from these canals and wells.

关键词： Schistosoma mansoni Liver cirrhosis Splenomegaly Sudanese woman

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Gross Pollutants Study in Urban Areas under Tropical Climates

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Journal of Civil Engineering and Architecture 2014年第1期8卷 107-114页

作者： Lariyah Mohd Sidek Hidayah Basri mohamed Roseli Zainal Abidin Lira Chow Hock Md Nasir Md nor nor Azazi Zakaria Centre for Sustainable Technology and Environment (CSTEN) College of Engineering Universiti Tenaga Nasional Kajang43000 Malaysia Drainage and Irrigation Department Humid Tropics Centre Kuala Lumpur Kuala Lumpur 50480 Malaysia Drainage and lrrigation Department River Basin & Coastal Zone Management Kuala Lumpur 50626 Malaysia River Engineering and Urban Drainage Centre (REDAC) Universiti Sains Malaysia Nibong Tebal 14300 Malaysia

Gross pollutants are the primary targeted pollutants in urban catchment management for urban water quality improvement as well as mitigation of flood. Apart from aesthetically unattractive because of its visibility, gross pollutants also contributes to degradation of river water quality and loss of aquatic habitat as it carries harmful pollutants such as oxygen demanding material, hydrocarbons and heavy metals. This study analyzed trend of gross pollutant generated from two urban residential areas located in Selangor, Malaysia. The median value of gross pollutant load obtained fi＇om the Amanah Apartment and Bandar Botanic are 347.41 kg/ha/year and 32.46 kg/ha/year, respectively. Relationship between gross pollutant wet load with rainfall depths was derived using regression equation. A significant trend of increasing gross pollutant wet load into drainage system with increasing rainfall depth was observed. The behavior of pollutant load is related to the one observed in Australia.

关键词： Gross pollutant load urban stormwater quality urban stormwater management.

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Effects of Site Burning on Multiple Leader Formation and Growth Performance of Selected AcaciaGenotypes

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American Journal of Plant Sciences 2015年第5期6卷 777-784页

作者： Ahmed mohamed Adam Eldoma Sures M. Kumar nor Aini Ab Shukor College of Forestry and Range Sciences Sudan University of Science and Technology Khartoum Sudan Department of Forest Management Faculty of Forestry Universiti Putra Malaysia Serdang Selangor Malaysia Institute of Tropical Forestry and Forest Product Universiti Putra Malaysia Serdang Selangor Malaysia

Loss of apical dominance, resulting in seedlings with more than one leader, generally referred to as multiple leaders (ML), has been a major problem in forest tree plantation in the tropics. A study to examine the effects of site preparation by burning on growth performance and multiple leaders (ML) formation, and its variation in eight-genotypes of Acacia mangium and Acacia auriculiformis was conducted. The design used for this field trial is a randomized complete block design with four replications at two sites (burnt and unburned) and eight genotypes (four from each species), and the effects were monitored for 24 months. There were significant differences at P A. mangium provenances were more responsive to burning than A. auriculiformis, whereas at the unburned site, the variation between them was not significant. Based on the above variation, it can be concluded that burning causes ML formation and can affect the growth of these selected Acacia genotypes.

关键词： Acacias Genotype Multiple Leaders Growth Performance Site Preparation

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Examining the Types and Consequences of Female Genital Mutilation in Somalia: A Cross-Sectional Study on the Burden and Impact of Acute and Long-Term Complications

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Open Journal of Obstetrics and Gynecology 2024年第9期14卷 1322-1334页

作者： Rahma Yusuf Haji Mohamud Nur Adam mohamed mohamed Yaqub Hassan Khadija Yusuf Ali Marian Muse Osman Amal nor Ali Ifrah Adan Hilowle Iftin mohamed Osman mohamed Farah Yusuf Mohamud Department of Nursing Mogadishu Somali Turkiye Recep Tayyip Erdogan Training and Research Hospital Mogadishu Somalia Department of Psychiatry and Behavioral Sciences Mogadishu Somali Turkiye Recep Tayyip Erdogan Training and Research Hospital Mogadishu Somalia Department of Pediatric Mogadishu Somali Turkiye Recep Tayyip Erdogan Training and Research Hospital Mogadishu Somalia Department of Obstetrics and Gynecology Mogadishu Somali Turkiye Recep Tayyip Erdogan Training and Research Hospital Mogadishu Somalia Research Department National Institute of Health Mogadishu Somalia Department of Pulmonology Mogadishu Somali Turkiye Recep Tayyip Erdogan Training and Research Hospital Mogadishu Somalia Department of Emergency Medicine Mogadishu Somali Turkiye Recep Tayyip Erdogan Training and Research Hospital Mogadishu Somalia

Background: In Africa, female genital mutilation (FGM) is a widespread and harmful practice, with Somalia having the highest incidence at 98%. This practice has severe and long-lasting physical and mental health consequences. The aim of the study was to evaluate the different types of FGM;immediate and long-term complications associated with the practice, and identify factors related to its prevalence. Method: In a one-year cross-sectional hospital-based study, data were collected from females aged 18 - 50 with a history of FGM. Face-to-face semi-structured questionnaires were used for data collection. Data analysis was performed using SPSS version 26, utilizing univariate and bivariate analyses to identify correlations between variables, which were presented in tables. Results: In a study involving 255 female participants, 65.5% were between 18 and 30 years old. The majority (82.7%) were married, while 47.1% were illiterate. FGM cases were more prevalent in rural areas (61.6%). Among the participants, 45.1% were employed. Type 3 FGM was the most common (44.3%), followed by Type 2 (32.2%) and Type 1 (23.9%). In terms of short-term complications experienced by circumcised women, the most common were bleeding, reported by 29.8% of participants, followed by infection (25.1%), and urinary retention (19.2%). Among the long-term complications observed, recurrent vaginal infections were the most prevalent, affecting 29.8% of the surveyed females. This was episiotomy during delivery (22.3%) and genital scarring (10.2%). Conclusion: The study reveals that Type 3 FGM is highly prevalent among the surveyed females, contributing to an increased risk of recurrent vaginal infections, prolonged second stage of labor, higher likelihood of episiotomy during delivery, and genital scarring. These findings emphasize the urgent need for effective preventive strategies and implementation from both international and local organizations to eliminate the harmful practice of FGM.

关键词： Female Genital Mutilation Women Obstetrics and Gynecology Somalia

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Comprehensive study of electronic polarizability and band gap of B_(2)O_(3)-Bi_(2)O_(3)-ZnO-SiO_(2)glass network

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Journal of Advanced Dielectrics 2017年第5期7卷 25-31页

作者： Iskandar Shahrim Mustafa Nur Ain Nabilah Razali Nurul Zahirah Noor Azman nor Zakiah Yahaya Muhammad Zulhafiz Mohamad Zaini Nur Lina Rusli Muhammad Bakhsh Nizamani Halimah mohamed Kamari School of Physics University of Science Malaysia 11800 USMPulau PinangMalaysia Institute of Nano-optoelectronics Research University of Science Malaysia 11800 USM Pulau PinangMalaysia School of Distance Education University of Science Malaysia 11800 USM Pulau PinangMalaysia Science Faculty University Putra Malaysia 43400 SerdangSelangorMalaysia

Quaternary glasses were successfully fabricated using melt quenching technique based on the chemical compound composition(x)Bi_(2)O_(3)–(0:5-x)ZnO-(0.2)B_(2)O_(3)–(0.3)SiO_(2),where(x=0.1,0.2,0.3,0.4,0.45)*** sources of SiO_(2)was produced from rice husk ash(RHA)at 99.36%of SiO_(2).The Urbach energy was increased from 0.16 eV to the 0.29 eV as the mole of Bi_(2)O_(3)increased in the glass *** indirect energy band gap is indicated in decrement pattern with 3.15 eV towards 2.51 *** results of Urbach energy and band gap energy that were obtained are due to the increment of Bi^(3+)ion in the glass *** refractive indexes for the prepared glasses were evaluated at 2.36 to 2.54 based on the Lorentz–Lorentz formulation which correlated to the energy band *** calculated of molar polarizability,electronic polarizability and optical basicity exemplify fine complement to the Bi_(2)O_(3)addition in the glass *** glass sample was indicated in amorphous state.

关键词： Urbach energy energy band gap optical polarizability Lorentz-Lorentz X-ray powder diffraction

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Predictors of renal angioembolization outcome:A retrospective analysis with 148 patients at a tertiary urology institute

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Asian Journal of Urology 2022年第2期9卷 103-108页

作者： Hashim mohamed Farg mohamed mohamed Elawdy Karim Ali Soliman mohamed Ali Badawy Ali Elsorougy Abdalla Abdelhamid Tarek Mohsen Tarek El-Diasty Department of Radiology Urology and Nephrology CentreMansoura UniversityMansouraEgypt Department of Urology Urology and Nephrology CentreMansoura UniversityMansouraEgypt

Objective:The aim of this study was to evaluate the predictor of unsuccessful outcome of renal angioembolization(RAE).Knowing those predictors may help in avoiding unnecessary RAE procedures and their associated side effects,while helping to prepare for an alternate procedure and improving patient's overall ***:A retrospective analysis between January 2006 and December 2018 was performed,and the indications for RAE were classified into post-traumatic,iatrogenic,renal tumors,and *** who underwent RAE prior to nephrectomy were *** tomography angiography was performed in patients with normal renal function and those who had no contrast allergy,otherwise magnetic resonance angiography was *** the purpose of statistical analysis,we stratified patients into two main categories based on the final outcome—successful or ***:Of 180 patients,32 with negative angiography were eliminated,leaving 148 patients;136(91%)had successful outcomes after one or more trials and 12 had unsuccessful *** mean age was 45±15 years,and 105(71%)were *** gender,side of the lesion,presence of hematuria,indication for RAE,nor the type of lesion affected the *** the other hand,renal anatomy with presence of accessory artery was the only predictor to failed RAE(p=0.001).Failed RAE trial was a predictor for nephrectomy as a secondary procedure(p=0.03).Conclusion:No pre-procedural predictors could anticipate the RAE outcome,and different indications can be scheduled to RAE,which is equally *** presence of accessory renal artery on diagnostic angiography is the only factor that may predict the failure of the procedure.

关键词： Angioembolization Renal angioembolization Embolization Renal trauma Outcome

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