ASM Science Journal最新文献_第4页

The Effect of Different Concentration of NaOH on Mechanical Properties of Allium sativum L. Peels Thin Sheet Paper 不同浓度NaOH对大蒜机械性能的影响

ASM Science Journal Pub Date : 2023-11-09 DOI: 10.32802/asmscj.2023.1519

MOHAMMAD HARRIS M YAHYA, AHMAD ASNAWI NASIR, NORMALA HASSIM, AMRAN SHAFIE, NOOR AZRIMI UMOR, ZUBIR OTHMAN, MOHD ROZI AHMAD

{"title":"The Effect of Different Concentration of NaOH on Mechanical Properties of Allium sativum L. Peels Thin Sheet Paper","authors":"MOHAMMAD HARRIS M YAHYA, AHMAD ASNAWI NASIR, NORMALA HASSIM, AMRAN SHAFIE, NOOR AZRIMI UMOR, ZUBIR OTHMAN, MOHD ROZI AHMAD","doi":"10.32802/asmscj.2023.1519","DOIUrl":"https://doi.org/10.32802/asmscj.2023.1519","url":null,"abstract":"Allium sativum L. peels were used as raw material to obtain cellulosic pulps for paper making. The peels were treated with sodium hydroxide at different concentrations (5%, 12.5%, and 20%) before the paper production. The sheets were measured for weight and thickness and evaluated for tensile, tear and bursting strength. The chemical compositions of the peels were analysed. The results indicated that the peels are suitable for papermaking due to the appropriate contents of cellulose (37.22%), hemicellulose (35.21%) and lignin (9.96%) values. The colour of the sheets varies from dark to light brown when the amount of sodium hydroxide solution was increased. It was estimated that the weight of peels was in the range of 5.0 - 6.5 % of garlic clove. All the sheet samples have uniform weight and thickness. The results showed that increasing sodium hydroxide concentration from 5% to 20% decreased tensile and bursting strength, except tearing strength. Two kinds of microscopic observations showed that peels treated with the highest sodium hydroxide concentration had a fine and thin layer of binder within the fibres. The sheets appear to be transparent with due to a decrease in the tensile and bursting strength except for the tear strength.","PeriodicalId":38804,"journal":{"name":"ASM Science Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135242458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chi-square and Adjusted Standardised Residual Analysis 卡方和校正标准化残差分析

ASM Science Journal Pub Date : 2023-11-06 DOI: 10.32802/asmscj.2023.985

Nor Aishah Ahad, Friday Zinzendoff Okwonu, Joshua Sarduana Apanapudor, Festus Irimisose Arunaye, Sunday Amoju Ojobor

{"title":"Chi-square and Adjusted Standardised Residual Analysis","authors":"Nor Aishah Ahad, Friday Zinzendoff Okwonu, Joshua Sarduana Apanapudor, Festus Irimisose Arunaye, Sunday Amoju Ojobor","doi":"10.32802/asmscj.2023.985","DOIUrl":"https://doi.org/10.32802/asmscj.2023.985","url":null,"abstract":"In hypothesis testing, inference is made by comparing the computed test statistic and the critical value which rely on a specified level of significance and degrees of freedom. This paper examines various study variables to assess whether there exists an interdependency between relationship intimacy and these variables. The chi-square test, likelihood ratio test, the adjusted standardised residual, and the proposed benchmark methods are applied to determine the acceptance or rejection of the null hypothesis and the individual category contribution that enhanced the inference. The comparative analysis involves data collected from a survey conducted before the onset of the Covid-19 pandemic, during the Covid-19 lockdown period, and following the relaxation of post-Covid-19 lockdown measures spanning a duration of six weeks. The findings showed that the null hypothesis cannot be rejected implying that the study variables are independent of relationship intimacy for the periods under study. The adjusted standardised residual and the benchmark methods revealed that sexual intimacy and quarrel are the highest variable contributors to the acceptance of the null hypothesis.","PeriodicalId":38804,"journal":{"name":"ASM Science Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135635385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Physicochemical Properties of Various Commercial Chilli Sauces in Malaysia 马来西亚各种商业辣椒酱的理化性质

ASM Science Journal Pub Date : 2023-11-01 DOI: 10.32802/asmscj.2023.1578

SITI NUR AMANI AZAMI

{"title":"Physicochemical Properties of Various Commercial Chilli Sauces in Malaysia","authors":"SITI NUR AMANI AZAMI","doi":"10.32802/asmscj.2023.1578","DOIUrl":"https://doi.org/10.32802/asmscj.2023.1578","url":null,"abstract":"In Malaysia, chilli sauce is extremely popular and widely consumed because it is used as a condiment in everyday life; it is a must-have in every home. At present, there is relatively little data available in scientific journals yet about the physicochemical properties of local commercial chilli sauce in Malaysia. This research was conducted to learn more about the physicochemical properties of commercial chilli sauce. A variety of five chilli sauces (SK, SH, SM, SL, SJ) from popular options were purchased locally, and the following parameters were determined by measuring: pH, total soluble solids (°Brix), water activity, syneresis, viscosity, salt content and colour. According to the result, it was discovered that all of the sauces tested were acidic (2.63-3.42). Furthermore, total soluble solids ranged from 33.93-51.86. Brix is a fluid indicator of total soluble solids, and it was found that the chilli sauce samples are predominantly sugar. In addition, the result for water activity was in the range of (0.89-0.97). Furthermore, the colour of the sample was determined by using L*, a*, and b* values. The range of L*, a* and b* values was (27.41-34.11), (13.77-23.66) and (9.43-20.56), respectively. The a* value shows that most chilli sauce samples were bright red. None of the samples had any water syneresis. Every company used an appropriate stabiliser in the chilli sauce, resulting in acceptable flavour after storing at room temperature for extended periods after opening.","PeriodicalId":38804,"journal":{"name":"ASM Science Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135272640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Systematic Review of Neural Network Autoregressive Model with Exogenous Input for Solar Radiation Prediction Modelling Development 带外源输入的神经网络自回归模型在太阳辐射预测建模中的研究进展

ASM Science Journal Pub Date : 2023-10-30 DOI: 10.32802/asmscj.2023.1139

Mohd Rizman Sultan Mohd, Juliana Johari, Fazlina Ahmat Ruslan

{"title":"A Systematic Review of Neural Network Autoregressive Model with Exogenous Input for Solar Radiation Prediction Modelling Development","authors":"Mohd Rizman Sultan Mohd, Juliana Johari, Fazlina Ahmat Ruslan","doi":"10.32802/asmscj.2023.1139","DOIUrl":"https://doi.org/10.32802/asmscj.2023.1139","url":null,"abstract":"Neural Network is one of the Machine Learning methods that has been applied in various Artificial Intelligence system development including solar radiation prediction modelling. Since there are multiple approaches had been developed using the Neural Network method, the study has been focusing on the development of a Multi-layer Neural Network model that can handle non-linearities and highly dynamic data. The integration of the Multi-layer Neural Network and the Non-linear Autoregressive Model with Exogenous Input (NARX) developed a compromising non-linear Neural Network model which can be applied in the modelling of solar radiation. This paper develops a systematic review of the Neural Network Autoregressive Model with Exogenous Input (NNARX) for solar radiation prediction modelling starts from the architecture and the comparative selection for the Training Function. The model is developed and analysed using MATLAB R2019a software. Results showed that the Levenberg-Marquardt Training Function performed better with the R2 value of 0.94 for training and 0.91 for testing, making it the most suitable for the NNARX in the development of solar radiation prediction modelling.","PeriodicalId":38804,"journal":{"name":"ASM Science Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136104283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characterisation and Regeneration of Diopatra claparedii Nervous System 黄颡鱼神经系统的表征与再生

ASM Science Journal Pub Date : 2023-10-30 DOI: 10.32802/asmscj.2023.1073

Wan Iryani Wan Ismail, Dhenmolly Arumugam, Mohd Ulul Ilmie Ahmad Nazri, Izwandy Idris

引用次数: 0

Enhancing Thermal Performance of Evacuated Tube Solar Collector using Novel Graphene Oxide Nanofluid 新型氧化石墨烯纳米流体增强真空管太阳能集热器的热性能

ASM Science Journal Pub Date : 2023-10-27 DOI: 10.32802/asmscj.2023.1477

Sumit Shahaji Surve

{"title":"Enhancing Thermal Performance of Evacuated Tube Solar Collector using Novel Graphene Oxide Nanofluid","authors":"Sumit Shahaji Surve","doi":"10.32802/asmscj.2023.1477","DOIUrl":"https://doi.org/10.32802/asmscj.2023.1477","url":null,"abstract":"The research article investigates the thermal performance of heat pipe-based evacuated tube solar collector (ETSC) experimentally using graphene oxide (GO) and deionised (DI) water as working fluid with a mass flow rate of 0.5 lit/min, 0.75 lit/min, and 1 lit/min. The different volumetric concentrations of 0.001%, 0.002%, and 0.003% graphene oxide nanofluid samples were prepared in the deionised water. The X-ray diffraction (XRD) was used to determine the structural properties of graphene oxide and the morphology of graphene oxide was studied by scanning electron microscope (SEM). To evaluate the stability of nanofluid samples, the Zeta potential analysis was carried out which showed that prepared nanofluid samples remain stable for up to 30 days. The effect of different nanofluid concentrations on various thermo physical properties of nanofluid was studied and discussed. The thermal performance of ETSC was investigated by considering the effect of volumetric concentrations of nanofluid and mass flow rates. According to the findings, there is a significant increment in temperature difference and energy gain by using nanofluid samples, and the maximum thermal efficiency of ETSC was found to be 37.1% for a volumetric concentration of 0.003% at 1 lit/min mass flow rate as compared to water.","PeriodicalId":38804,"journal":{"name":"ASM Science Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136318002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Kaempferia galanga Linn: A Systematic Review of Phytochemistry, Extraction Technique, and Pharmacological Activities 山奈良姜:植物化学、提取技术和药理活性的系统综述

ASM Science Journal Pub Date : 2023-10-26 DOI: 10.32802/asmscj.2023.1088

Nurhaslina Binti Che radzi

引用次数: 0

ASM Sci. J., Vol. 1, No. 1, 2007 ASM科学。《科学》，2007年第1期

ASM Science Journal Pub Date : 2023-10-02 DOI: 10.32802/asmscj.2007.vol1no1

Azrul Liki

{"title":"ASM Sci. J., Vol. 1, No. 1, 2007","authors":"Azrul Liki","doi":"10.32802/asmscj.2007.vol1no1","DOIUrl":"https://doi.org/10.32802/asmscj.2007.vol1no1","url":null,"abstract":"The ASM Science Journal (ASM Sc. J.) is intended to be one of the primary vehicles of the Academy of Sciences Malaysiato stimulate and nurture excellence in science and technology for the development of the nation and for the benefit ofmankind. Its purpose is also to widely disseminate significant research developments and deliberate on R&D strategiesand policies. It will further provide a major opportunity for showcasing the effectiveness of scientific and technical effortsand increasing the efficiency of management of research and development which is linked with the ability to communicateinformation about current research efforts and the results of past work. This journal will pay attention to the importanceof scientific and technical endeavour and contribute to the better understanding of problems of science and technologythrough its regular publication and wide circulation, thus promoting cooperation and exchange of views among the sciencecommunity worldwide. All these objectives are fully in line with the aims and objectives of the Academy.In this maiden issue, there are contributions from many fields covering both fundamental and applied research: medicine,engineering, chemistry, electronics, mechanics and physics. Our future plan is to gear one issue a year towards a particulartheme. The papers in that issue will address current and impending issues, and the demands and needs of the scientificcommunity and society pertaining to the selected theme.It is hoped that this varied, vital and vigorous exchange of scientific information that the Journal provides will assist inbetter understanding the various forces and factors that affect the progress of humanity and safeguard its survival. TheAcademy of Sciences Malaysia, therefore, in earnestly discharging its responsibility, proudly associates itself with thisJournal in striving to promote an international exchange of scientific information.","PeriodicalId":38804,"journal":{"name":"ASM Science Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135835894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Application of Fuzzy Weak Autocatalytic Set in Robots Kinematic Structures Evaluation 模糊弱自催化集在机器人运动结构评价中的应用

ASM Science Journal Pub Date : 2023-09-13 DOI: 10.32802/asmscj.2023.1414

Siti Salwana Mamat, Tahir Ahmad, Siti Rahmah Awang, Noraini Ahmad

引用次数: 0

Characterisation of Doped Titanium Dioxide (TiO2) at Different Calcination Temperature Using X-Ray Diffraction (XRD) 用X射线衍射（XRD）表征不同煅烧温度下掺杂的二氧化钛（TiO2）

ASM Science Journal Pub Date : 2023-08-21 DOI: 10.32802/asmscj.2023.983

Siti Amira Othman

{"title":"Characterisation of Doped Titanium Dioxide (TiO2) at Different Calcination Temperature Using X-Ray Diffraction (XRD)","authors":"Siti Amira Othman","doi":"10.32802/asmscj.2023.983","DOIUrl":"https://doi.org/10.32802/asmscj.2023.983","url":null,"abstract":"Titanium dioxide (TiO2) is one of the most powerful semiconductors used in wastewater treatment. However, TiO2 has a wide band gap that only can be activated by using UV light. To overcome the weakness of this photocatalyst, the doping technique by using the sol-gel method was applied to the TiO2. The sol-gel method is easy, low cost and can be conducted at low temperature. Through this method, the band gap can be narrow and the doped TiO2 can be activated using visible light. The objectives of this research are to study the relationship between variable parameters and the sample characterisations, to analyse the characteristics of modified photocatalysts doped nitrogen and magnesium on the phase. In this research project, nitrogen and magnesium will be used for doping techniques with TiO2. Calcination temperature will be varied at 300oC, 500oC and 700oC to analyse the phase and characteristics of samples at different calcination temperatures. Parameters that are involved in this research include the amount of doping which is varied at 0.5 wt.%, 0.7 wt.% and 0.9 wt.% and type of dopant used (nitrogen and magnesium). The sample will be characterised by using X-Ray Diffraction (XRD).","PeriodicalId":38804,"journal":{"name":"ASM Science Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42106197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0