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Knowledge,Attitude,Behavior of Malay Community towards Traditional Chinese Medicine
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作者 Tang Sin Wei Ahmad Mujahid Mazlan Wong Hon Foong 《Chinese Medicine and Culture》 2025年第4期417-430,共14页
Traditional Chinese medicine(TCM)was introduced to Malaysia in the 18th century by Chinese migrants and has since become a recognized part of the country’s pluralistic healthcare system.In line with government effort... Traditional Chinese medicine(TCM)was introduced to Malaysia in the 18th century by Chinese migrants and has since become a recognized part of the country’s pluralistic healthcare system.In line with government efforts to formalize TCM practice,initiatives such as the establishment of the Traditional and Complementary Medicine(T&CM)Division in 2004 and the gazettement of the T&CM Act 2016 have been implemented.However,TCM remains underutilized among the Malay population,primarily due to cultural,religious,and linguistic factors.This paper explored the knowledge,attitudes,and behavior patterns regarding TCM of Malay people who visited the Urban Transformation Centre(UTC)in Shah Alam between October 2023 and January 2024.A cross-sectional survey was conducted at UTC Shah Alam in Selangor,Malaysia,using stratified sampling.A validated questionnaire was used to assess demographic information,knowledge,attitudes,and behavior patterns related to TCM.Among the respondents,both attitude and behavior pattern scores were generally positive.Financial status was identified as a significant factor influencing both attitudes and behavior patterns.Halal certification was identified as a key factor affecting the acceptance of Chinese herbal medicine.The findings suggest that possible pathways to broaden engagement would include increased availability of halal-certified TCM products,and clearer regulatory guidelines.Collaborative efforts that respect and incorporate local traditional practices,alongside support for localized TCM education,may contribute to greater inclusion.This localized model not only addresses specific community health challenges,but also offers perspectives into the potential role of traditional medicine in the global health landscape through cultural exchange and mutual learning. 展开更多
关键词 malaySIA malay Traditional Chinese medicine HALAL Cultural exchange
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Rome Ⅲ survey of irritable bowel syndrome among ethnic Malays 被引量:2
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作者 Yeong Yeh Lee Anuar Waid +2 位作者 Huck Joo Tan Andrew Seng Boon Chua William E Whitehead 《World Journal of Gastroenterology》 SCIE CAS CSCD 2012年第44期6475-6480,共6页
AIM:To survey irritable bowel syndrome(IBS) using Rome Ⅲ criteria among Malays from the north-eastern region of Peninsular Malaysia.METHODS:A previously validated Malay language Rome Ⅲ IBS diagnostic questionnaire w... AIM:To survey irritable bowel syndrome(IBS) using Rome Ⅲ criteria among Malays from the north-eastern region of Peninsular Malaysia.METHODS:A previously validated Malay language Rome Ⅲ IBS diagnostic questionnaire was used in the current study.A prospective sample of 232 Malay subjects(80% power) was initially screened.Using a stratified random sampling strategy,a total of 221 Malay subjects(112 subjects in a "full time job" and 109 subjects in "no full time job") were recruited.Subjects were visitors(friends and relatives) within the hospital compound and were representative of the local community.Red flags and psychosocial alarm symptoms were also assessed in the current study using previously translated and validated questionnaires.Subjects with IBS were sub-typed into constipation-predominant,diarrhea-predominant,mixed type and un-subtyped.Univariable and multivariable analyses were used to test for association between socioeconomic factors and presence of red flags and psychosocial alarm features among the Malays with IBS.RESULTS:IBS was present in 10.9%(24/221),red flags in 22.2%(49/221) and psychosocial alarm features in 9.0%(20/221).Red flags were more commonly reported in subjects with IBS(83.3%) than psychosocial alarm features(20.8%,P < 0.001).Subjects with IBS were older(mean age 41.4 years vs 36.9 years,P = 0.08),but no difference in gender was noted(P = 0.4).Using univariable analysis,IBS was significantly associated with a tertiary education,high individual income above RM1000,married status,exsmoker and the presence of red flags(all P < 0.05).In multiple logistic regression analysis,only the presence of red flags was significantly associated with IBS(odds ratio:0.02,95%CI:0.004-0.1,P < 0.001).The commonest IBS sub-type was mixed type(58.3%),followed by constipation-predominant(20.8%),diarrheapredominant(16.7%) and un-subtyped(4.2%).Four of 13 Malay females(30.8%) with IBS also had menstrual pain.Most subjects with IBS had at least one red flag(70.8%),12.5% had two red flags and 16.7% with no red flags.The commonest red flag was a bowel habit change in subjects > 50 years old and this was reported by 16.7% of subjects with IBS.CONCLUSION:Using the Rome Ⅲ criteria,IBS was common among ethnic Malays from the north-eastern region of Peninsular Malaysia. 展开更多
关键词 Irritable bowel syndrome malays Preva-lence Rome Ⅲcriteria malaySIA
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Gastric precancerous lesions are associated with gene variants in Helicobacter pylori -susceptible ethnic Malays 被引量:6
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作者 Sathiya Maran Yeong Yeh Lee +5 位作者 Shuhua Xu Nur-Shafawati Rajab Norhazrini Hasan Syed Hassan Syed Abdul Aziz Noorizan Abdul Majid Bin Alwi Zilfalil 《World Journal of Gastroenterology》 SCIE CAS 2013年第23期3615-3622,共8页
AIM: To identify genes associated with gastric pre-cancerous lesions in Helicobacter pylori (H. pylori )susceptible ethnic Malays. METHODS: Twenty-three Malay subjects with H. pylori infection and gastric precancerous... AIM: To identify genes associated with gastric pre-cancerous lesions in Helicobacter pylori (H. pylori )susceptible ethnic Malays. METHODS: Twenty-three Malay subjects with H. pylori infection and gastric precancerous lesions identified during endoscopy were included as "cases". Thirtyseven Malay subjects who were H. pylori negative and had no precancerous lesions were included as "controls". Venous blood was collected for genotyping with Affymetrix 50K Xba1 kit. Genotypes with call rates < 90% for autosomal single nucleotide polymorphisms (SNPs) were excluded. For each precancerous lesion, associated SNPs were identified from Manhattan plots, and only SNPs with a χ2 P value < 0.05 and Hardy Weinberg Equilibrium P value > 0.5 was considered as significant markers. RESULTS: Of the 23 H. pylori -positive subjects recruited, one sample was excluded from further analysis due to a low genotyping call rate. Of the 22 H. pylori positive samples, atrophic gastritis only was present in 50.0%, complete intestinal metaplasia was present in 18.25%, both incomplete intestinal metaplasia and dysplasia was present in 22.7%, and dysplasia only was present in 9.1%. SNPs rs9315542 (UFM1 gene), rs6878265 (THBS4 gene), rs1042194 (CYP2C19 gene) and rs10505799 (MGST1 gene) were significantly associated with atrophic gastritis, complete intestinal metaplasia, incomplete metaplasia with foci of dysplasia and dysplasia, respectively. Allele frequencies in "cases" vs "controls" for rs9315542, rs6878265, rs1042194 and rs10505799 were 0.4 vs 0.06, 0.6 vs 0.01, 0.6 vs 0.01 and 0.5 vs 0.02, respectively. CONCLUSION: Genetic variants possibly related to gastric precancerous lesions in ethnic Malays susceptible to H. pylori infection were identified for testing in subsequent trials. 展开更多
关键词 Gastric PRECANCEROUS lesions Gene polymorphisms GENOME-WIDE association HELICOBACTER PYLORI malays
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Exploratory and Confirmatory Factor Analyses for Testing Validity and Reliability of the Malay Language Questionnaire for Urinary Incontinence Diagnosis (QUID) 被引量:3
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作者 Hardip Kaur Dhillon Md. Zain Anuar Zaini +3 位作者 Kia Fatt Quek Harbindar Jeet Singh Gurpreet Kaur Bin Nordin Rusli 《Open Journal of Preventive Medicine》 2014年第11期844-851,共8页
This study examines the construct validity and reliability of the Malay language questionnaire for urinary incontinence diagnosis (QUID) in women. Study Design: Random sampling design was used in this cross-sectional ... This study examines the construct validity and reliability of the Malay language questionnaire for urinary incontinence diagnosis (QUID) in women. Study Design: Random sampling design was used in this cross-sectional survey. Materials and Methods: The Americanized English language questionnaire was translated to the Malay language and distributed to community-dwelling Malaysian women living in various locations in Selangor. The construct validity was tested using exploratory factor analysis (EFA) followed by confirmatory factor analysis (CFA). The reliability was determined using Cronbach’s α. Results: A total of 111 women completed the Malay language QUID in this pilot study. The Keiser-Meyer-Olkin (KMO) measure of sampling adequacy of 0.675 and Bartlett’s test of sphericity (χ2 = 284.633, df = 15, p = 0.001) indicated that the EFA was possible. The total variance and the scree plot identified two factors above the initial eigenvalue of 1 while a third factor was just below it (0.758). The CFA output showed a recursive model with the solution being not admissible because two unobserved and exogenous variables had negative variance estimates. The following values of absolute fit indices showed an acceptable level of fit: 1) Chi-square test with χ2 = 4.997, df = 5, p = 0.416, indicated a smaller difference between the expected and observed covariance matrices;2) GFI = 0.986, AGFI = 0.939, RMR = 0.021 and CMIN/DF = 1.0 indicated acceptable level of fit;3) The baseline comparison values of NFI = 0.983 and CFI = 1.0 also indicated a good fit to the data;4) RMSEA = 0.000 was considered a perfect fit indicating that the hypothesized model was a good fit to the observed data. Under the hypothesis of “close fit”, the probability of getting a sample RMSEA as large as 0.000 was 0.567. The Cronbach’s α coefficient of 0.823 indicated good reliability. Conclusion: The Malay language QUID is a valid and reliable instrument for diagnosing female urinary incontinence in the Malaysian population. 展开更多
关键词 Confirmatory FACTOR ANALYSIS EXPLORATORY FACTOR ANALYSIS malay Language QUESTIONNAIRE for Urinary Incontinence DIAGNOSIS Reliability
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Malay盆地淡水泥质砂岩的地层评价
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作者 R.GrantHeavysege 陈芳 何长春 《测井与射孔》 2003年第2期28-34,共7页
在Malay盆地地层评价中,地层水的化学组成是一个重要的变量,它是引起产层与含水砂岩之间电阻率差异小的主要原因。近来,由于对盐水组成分布的研究,使我们可以用一系列不同的计算方法计算盆地的不同区块的饱和度。在Malay盆地的最东... 在Malay盆地地层评价中,地层水的化学组成是一个重要的变量,它是引起产层与含水砂岩之间电阻率差异小的主要原因。近来,由于对盐水组成分布的研究,使我们可以用一系列不同的计算方法计算盆地的不同区块的饱和度。在Malay盆地的最东部,矿化度接近海水矿化度(30,000ppm TDS),用普通的泥质砂岩方程评价含烃饱和度,可适当地降低其不确定性。然而,一些较大的油气田位于盆地中央的淡水富集区(<3,000ppm),由于地层水矿化度低及粘土矿物的存在,Ro对Rw不敏感,附加电导率在各种通常使用的泥质砂岩方程中占主导作用。在这样的条件下,毛管压力法日益得到应用。在一些缺乏有足够代表性的高质量毛管压力数据的油田,合成的饱和度函数已经作为获得更可耀的流体饱和度值的一种手段。岩性资料(矿物学、泥岩分布和搜径分析)有助于在束缚状态下确定粘土及毛管束缚水的最小量。粘土束缚水可通过矿物学和对泥岩的常规岩心测量和测井来确定。毛管束缚水则利用经验的“有效”体积含水(BVWE)来估算,它是以搜径数据或模拟纯砂岩储层为基础。如果有核磁共振测井资料,可用来到度总的束缚水体积。从可操作性上来看,电阻率差异小的产层,给实时的流体类型预测造成许多限制。特别是高角度井、油基泥浆钻井的井中,很多测井方法受到限制。因此,时间推移随钻测井已被应用于识别流体类型及降低完井的不确定性。测井过程中增加电阻率测井可很好地加以界定。 展开更多
关键词 malay盆地 时间推移测井 毛管压力 地层水 矿化度 地层评价 含水砂岩 流体饱合度 电阻率
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A Review of the Bentong-Raub Suture vis-à-vis New Insight of the Tectonic Evolution of Malay Peninsula,South East Asia
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作者 Aftab Alam KHAN Mustaffa Kamal SHUIB 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2016年第5期1865-1886,共22页
Genesis of the so-called Bentong-Raub Suture of Malay Peninsula does not fit to the model of subduction-related collision.It has evolved from transpression tectonics resulting closure and exhumation of the inland basi... Genesis of the so-called Bentong-Raub Suture of Malay Peninsula does not fit to the model of subduction-related collision.It has evolved from transpression tectonics resulting closure and exhumation of the inland basin which underwent extensive back-arc extension during Triassic.Crust having similar thickness(average-35 km) below entire Malay Peninsula nagate collision of two separate continental blocks rather supports single continental block that collided with South China continental block during Permo-Triassic.Westward subduction of intervening sea(Proto South China Sea) below Malay Peninsula resulted in widespread I- and S-Type granitization and volcanism in the back-arc basins during Triassic.Extensive occurrence of Permo-Triassic Pahang volcanics of predominantly rhyolitic tuff suggest its derivation from back-arc extension.Back-arc extension,basin development and sedimentation of the central belt of the peninsula continued until Cretaceous.A-Type granite of metaluminous to peraluminous character indicates their emplacement in an intraplate tectonic setting.Malay Peninsula suffered an anticlockwise rotation due to the rifting of Luconia-Dangerous Grounds from the east Asia in the Late Cretaceous-Early Tertiary.Extensive ductile and brittle deformation including crustal segmentation,pull-apart fracturing and faulting occurred during the closure and exhumation of the basins developed in the peninsula during Late Cretaceous-Early Tertiary.Crustal shortening in the central belt of the peninsula has been accomodated through strike-slip displacement,shearing and uplift. 展开更多
关键词 Bentong-Raub fault intra-plate tectonics Triassic back-arc extension Cretaceoustranspression malay Peninsula
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Intercultural Communication Competence Developed by Chinese in Communicating With Malays in Bangka Island, Indonesia
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作者 Deddy Mulyana Agustina Zubair 《Sino-US English Teaching》 2015年第4期299-309,共11页
This study aims to explore the cultural identity of Chinese related to their self-perception, their perception of Malays, and their communication with the Malays in Bangka Island, Indonesia, emphasizing the Chinese in... This study aims to explore the cultural identity of Chinese related to their self-perception, their perception of Malays, and their communication with the Malays in Bangka Island, Indonesia, emphasizing the Chinese intercultural communication competence in terms of their self-presentation in business relationships with the Malays. The study employed an interpretive approach, more specifically the symbolic interactionlst and dramaturgical tradition. The researchers focused on intercultural communication experiences and competence as enacted by the 25 Chinese in the area of the research. The study used in-depth interviews with the Chinese as the main method with some observation of the Chinese communication with the Malays. The researchers also interviewed eight Malays as additional subjects of the research to corroborate the research findings. The study found that the Chinese in Bangka Island perceived themselves as open and willing to mingle with the Malays They are hospitable, hardworking, tenacious, frugal, and fond of maintaining long-term relationships. In contrast, in the Chinese view, the Malays are open and willing to mingle with others, obedient to the teachings of Islam, but they are lazy and are keen on being flattered, consumptive, and easily seduced. In terms of their intercultural communication competence, the Chinese are skillful in their self-presentation by employing various verbal and nonverbal tactics to adjust themselves to the interpersonal, group, and business situations where they encounter the Malays in their everyday lives 展开更多
关键词 CHINESE malays Bangka Island SELF-PERCEPTION intercultural communication competence tactics ofself-presentation
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Translation and Validation of Malay Version 5-Items Brief Illness Perception Questionnaire, BIP-Q5 towards COVID-19 among Malaysian Nurses
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作者 Hafizah Pasi Nor Azam Kamaruzaman +2 位作者 Nadzirah Ahmad Basri Nur Hakimah A. Manan Hashima E. Nasreen 《Advances in Infectious Diseases》 CAS 2022年第3期383-391,共9页
Introduction: Currently, own individual perception is recognized as one of the important factors in the prevention of disease, including coronavirus disease, COVID-19. Given the massive impact of COVID-19 on all popul... Introduction: Currently, own individual perception is recognized as one of the important factors in the prevention of disease, including coronavirus disease, COVID-19. Given the massive impact of COVID-19 on all population’s life, including nurses as one of the main health services providers in the country, this study aims to translate and validate the Malay Version 5-Items Brief Illness Perception Questionnaire, BIP-Q5 towards COVID-19 among Malaysian nurses. Materials and Methods: Forward and backward translations and pretesting of the BIP-Q5 to Malay were conducted among nurses, subject matter experts, and language professionals. The validations process was elicited through an online cross-sectional study involving 56 nurses based on a ~10:1 subject-to-items ratio sample size estimations. Results: The principal component analysis (PCA) revealed one best component with eigenvalues more than one, confirming the questionnaire’s original version. There are five items within the single component, and all are with weightage of over 43%. The scree plot supported the findings, which showed that at least one factors are suitable to be retained. The overall Cronbach’s α coefficient was 0.7 and the intraclass correlation coefficient was 0.659. The Kaiser-Meyer-Olkin was 0.655, and Bartlett’s test of sphericity p-value was Conclusion: This study showed that the translated Malay Version 5-Items Brief Illness Perception Questionnaire, BIP-Q5 has a good psychometric property, and is a valid and reliable tool to be used to measure illness perceptions towards COVID-19 among Malaysian nurses. 展开更多
关键词 VALIDATION malay BIP-Q5 COVID-19 Nurses
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The Frequency of Y Alu Polymorphism (YAP) Indel in the Minangkabau Malays in Peninsular Malaysia
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作者 Wan Nurhayati Wan Hanafi Muhd Shah Jehan Abd Razak +3 位作者 Azzura Abdullah Nor Hazwani Ghani NurAzimah Osman Farida Zuraina Mohd Yusuf 《Journal of Life Sciences》 2014年第9期783-788,共6页
Background: Minangkabau Malays (Melayu Minangkabau) is one of the Malay sub ethnic groups in Peninsular Malaysia. During the late 17th and early 18th centuries, migration of the Minangs from West Sumatra to the sta... Background: Minangkabau Malays (Melayu Minangkabau) is one of the Malay sub ethnic groups in Peninsular Malaysia. During the late 17th and early 18th centuries, migration of the Minangs from West Sumatra to the state of Negeri Sembilan Darul Khusus in Peninsular Malaysia took place and their descendants now form the main sub ethnic group in this state. The genetic polymorphisms of Y chromosome at DYS 287 locus were analyzed in Minangkahau Malays. Methods: A total of 41 buccal cells from healthy unrelated individual's males from Minangkabau Malays were typed for the DYS 287. The PCR products were separated on 2% (w/v) agarose gel followed by visualization under UV light. Results: Three out of 41 samples (7.32%) showed insertion (YAP+) polymorphism, while the rest of the samples (92.68%) showed deletion (YAP-) polymorphism. This is the first report concerning the YAP in Malay population at Peninsular Malysia. Conclusion: The vAluable data obtained in this study will contribute to fill in the gap in the knowledge of YAP distribution in Malaysian population and will allow continuous interpretation of the evolution of YAP. 展开更多
关键词 Y Alu insertion polymorphism (YAP) DYS 287 FTA PCR Minangkabau malays.
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THE ADMIRAL OF MALAY
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作者 Liao Bowen Li Jialu 《China Report ASEAN》 2019年第5期22-23,共2页
“Driven by the motto Bahasa Jiwa Bangsa (language is the soul of a nation), Wu Zongyu has devoted his life to the promotion of the Malay language,” declared Malaysian media of Wu, a pioneer of Malay language educati... “Driven by the motto Bahasa Jiwa Bangsa (language is the soul of a nation), Wu Zongyu has devoted his life to the promotion of the Malay language,” declared Malaysian media of Wu, a pioneer of Malay language education in China. Over the past 50 years, Wu has contributed his wisdom and passion to Malay teaching at Beijing Foreign Studies University (BFSU) and trained many students who now wield a good command of Malay. 展开更多
关键词 LANGUAGE IS the SOUL of a NATION malay STUDENTS
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Evaluation of the Literacy and Numeracy Screening Program in Three Types of National Primary Schools in Malaysia
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作者 Fong Peng Chew 《Journal of Contemporary Educational Research》 2018年第5期9-20,共12页
Literacy and numeracy screening(LINUS)is a program implemented by the Malaysia Ministry of Education in primary schools nationwide to increase literacy skills of students in year 1–3.This study aimed at assessing the... Literacy and numeracy screening(LINUS)is a program implemented by the Malaysia Ministry of Education in primary schools nationwide to increase literacy skills of students in year 1–3.This study aimed at assessing the LINUS program implemented since 2010.Model of Critical Literacy by Freebody and Luke(1990)was applied in this study.Reading and writing tests for Malay language subject were developed from the module of LINUS program and conducted on 120 students from three different types of schools,namely national schools,national-type Chinese schools,and national-type Tamil schools.The results showed that the level of reading and writing of students was average.One-way analysis of variance tests showed significant differences between ethnic and type of schools with the reading and writing proficiency of the students;students of national schools scored the highest in reading test whereas the students of national-type Chinese school performed the best in writing test.In contrast,family socioeconomic status of the students did not influence their reading and writing proficiency.Therefore,teachers should take into account ethnic and type of schools in implementing the LINUS program as the main factors determining the level of literacy,achievement,and success of the LINUS program. 展开更多
关键词 LITERACY and numeracy screening malay language model of critical LITERACY NATIONAL SCHOOLS national-type SCHOOLS
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Augmented Reality Book for Preserving Malay Traditional Dances:A Case Study
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作者 Norfadilah Kamaruddin 《Journal of Computer Science Research》 2019年第1期22-28,共7页
Malaysia is known throughout the world for its multiculturalism.As a multiple ethnic country,many countries are looking on Malaysia as a great example of peaceful co-existence races and belief where all the ethnic gro... Malaysia is known throughout the world for its multiculturalism.As a multiple ethnic country,many countries are looking on Malaysia as a great example of peaceful co-existence races and belief where all the ethnic groups in Malaysia live together in harmony and enrich the country's cultural lifestyle.Within that,Malaysia also consists of a collective blend of food,traditions,clothing and customs.Towards that,traditional dance is the treasure of art and culture.Therefore,with modern era and technology nowadays,it has led the younger generation care less about traditional dance.Beside,a printed media such as bunting,banners and pamphlets are less effective in promoting the traditional dance.By concerning this,this research study aims to preserving the traditional dance among young generation towards new media technology.In explaining the issues,a case study through quantitative approaches of questionnaires survey and interviews was used in studied the uniqueness of traditional Malay dance and further proposes a new approach for preserving the traditional Malay dance awareness among the young generation.The research significantly impacts the publics particularly on the new generation towards uniqueness of traditional dance in Malaysia.It is also contributes to the National Heritage Department and the National Arts and Culture Department where the documentation could be used as a collection of cultural and heritage books in the form of new media technology for young generation. 展开更多
关键词 malay traditional dance Tarian Piring New media technology Augmented reality book
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A comparative study of Malay/Chinese and Malay/Indian ethnic conflicts and relations in Malaysia's multi-ethnic society
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作者 Lin Wang Tengyue Ma 《Advances in Social Behavior Research》 2025年第2期1-11,共11页
.Since Malaysia's independence,the relationship between the Malay and Chinese ethnic groups(Malay/Chinese)and the relationship between the Malay and Indian ethnic groups(Malay/Indian)have been two of the most sign... .Since Malaysia's independence,the relationship between the Malay and Chinese ethnic groups(Malay/Chinese)and the relationship between the Malay and Indian ethnic groups(Malay/Indian)have been two of the most significant political issues in the country.While both belong to the category of indigenous groups and immigrant relations in Malaysia,there are fundamental differences between these two relationships.This paper argues that the Malay/Chinese relationship is a long-standing ethnic conflict caused by social class disputes,characterized by economic disparities,cultural clashes,and structural factors such as colonial history.In contrast,the Malay/Indian relationship is primarily a short-term regional conflict triggered by unexpected events.The ethnic stratification in the Malay/Chinese relationship,formed on the basis of economic differences,has become a structural condition,and the historical friction since the British and Japanese colonial periods has further exacerbated the situation.For Malaysia to build a truly equal and mutually respectful multicultural society,many areas still require significant efforts. 展开更多
关键词 malaySIA malays malaysian Chinese malaysian Indians ethnic conflict ethnic relations
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Chemical weathering in Malay Peninsula and North Borneo:Clay mineralogy and element geochemistry of river surface sediments 被引量:5
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作者 WANG Hao LIU ZhiFei +3 位作者 Edlic SATHIAMURTHY Christophe COLIN LI JianRu ZHAO YuLong 《Science China Earth Sciences》 SCIE EI CAS 2011年第2期272-282,共11页
Weathering products of silicate rocks are particularly useful for evaluating the continental chemical weathering on the Earth's surface and its mechanism.Clay mineralogy and major-element geochemistry of surface s... Weathering products of silicate rocks are particularly useful for evaluating the continental chemical weathering on the Earth's surface and its mechanism.Clay mineralogy and major-element geochemistry of surface sediment samples collected in major rivers of Malay Peninsula and North Borneo in the tropical Southeast Asian region are used to study the present chemical weathering process and its controlling factors of tropical regions.The results indicate that the clay mineral assemblage in Malay Peninsula consists dominantly of kaolinite(average 80%) and minor illite(average 17%),almost without chlorite and smectite,whereas in North Borneo it consists mainly of illite and chlorite,with minor amounts of kaolinite(average 14%) and no smectite.Total contents of illite and chlorite in both Northwest and Northeast Borneo are 84% and 87%,respectively.Major-element geochemical results of both bulk and clay-fraction sediments show intensive chemical weathering degree for both areas.Relatively,the chemical weathering degree is gradually strengthened from Northeast Borneo,Northwest Borneo,to Malay Peninsula,and it is extremely intensive in Malay Peninsula.Our results indicate that,in the tropical Southeast Asian region exampled by Malay Peninsula and Borneo,climatic condition of tropical warm temperature and East Asian monsoon rainfall is the first-order controlling factor on the chemical weathering,resulting in intensive chemical weathering throughout tropical areas,and tectonic activity and lithology of parent rocks are subordinate factors,which still have an important impact on the weathering products,forming completely different clay mineral assemblages between Malay Peninsula and Borneo. 展开更多
关键词 clay minerals major elements fluvial sediments chemical weathering malay Peninsula BORNEO
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Integrated spatiotemporal data mining and DInSAR for improved understanding of subsidence related to groundwater depletion impacts 被引量:1
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作者 Jalal KARAMI Fatemeh BABAEE +1 位作者 Pouya MAHMOUDNIA Mohammad SHARIFI KIA 《Journal of Geographical Sciences》 2025年第3期598-618,共21页
Population growth leads to increased utilization of water resources.One of these resources is groundwater,which has steadily declined each year.The depletion of these resources brings about various environmental chall... Population growth leads to increased utilization of water resources.One of these resources is groundwater,which has steadily declined each year.The depletion of these resources brings about various environmental challenges.The present study aimed to explore the relationship between groundwater fluctuations and land subsidence in the Malayer Plain,Iran,focusing on quantifying subsidence resulting from groundwater extraction.Using Sentinel-1 satellite data(2014–2019)and monthly piezometric measurements(1996–2018),the analysis revealed an average deformation velocity of–6.3 cm yr–1,with accumulated subsidence of–32 cm over the 2014–2019 period.The maximum subsidence rate reached 10.3 cm yr–1 in areas of intensive agricultural activity.A wavelet-PCA spatiotemporal analysis of groundwater fluctuations identified critical multi-scale patterns strongly correlated with subsidence trends.Regression analysis between subsidence rates and groundwater fluctuations at various wavelet decomposition levels explained 75%of the variance(R2=0.75),indicating that intermediate-scale groundwater declines were the primary drivers of subsidence.Furthermore,land use analysis using Landsat data(1999–2021)revealed a 6230-ha increase in irrigated farmland,contributing to heightened groundwater extraction and subsidence rates.These findings highlight the critical need for sustainable groundwater management to mitigate the risks of continued subsidence in the region. 展开更多
关键词 spatiotemporal wavelet-PCA analysis SUBSIDENCE INTERFEROMETRY piezometric data malayer Plain
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伊朗扎格罗斯碰撞造山带马拉耶尔-伊斯法罕碳酸盐岩容矿铅锌成矿带——矿床基本特征与成因类型 被引量:8
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作者 刘英超 宋玉财 +3 位作者 侯增谦 杨竹森 张洪瑞 马旺 《地质学报》 EI CAS CSCD 北大核心 2015年第9期1573-1594,共22页
伊朗马拉耶尔-伊斯法罕碳酸盐岩容矿铅锌成矿带,地处扎格罗斯碰撞造山带内陆的萨南达杰-锡尔詹中生代岩浆变质带构造转换区,带内发育丰富的碳酸盐岩容矿铅锌矿床,是伊朗境内重要的铅锌产出基地。综合分析表明,该带内的铅锌矿床形成于新... 伊朗马拉耶尔-伊斯法罕碳酸盐岩容矿铅锌成矿带,地处扎格罗斯碰撞造山带内陆的萨南达杰-锡尔詹中生代岩浆变质带构造转换区,带内发育丰富的碳酸盐岩容矿铅锌矿床,是伊朗境内重要的铅锌产出基地。综合分析表明,该带内的铅锌矿床形成于新生代古近纪早期,发育在阿拉伯板块-欧亚大陆板块碰撞造山阶段,其形成和区域上逆冲-走滑断层、走滑拉分盆地等压扭性构造密切相关。成矿带各矿区矿体多发育在区域逆冲断层上下盘,赋存于下白垩统碳酸盐岩内,受与逆断层相关的次级断层、岩性分界面等要素控制,总体以层控形式产出。矿种组合以Zn-Pb为主,少量矿区出现Cu。硫化物主体为闪锌矿、方铅矿、黄铁矿,出现少量黄铜矿和黝铜矿,非硫化物以石英、白云石、方解石、重晶石为主。矿化以脉体充填或热液矿物交代充填为主要形式,脉状、浸染状、块状为主要矿石构造,强硅化和白云石化为主要蚀变特征。热液矿物仅发育两相盐水包裹体,成矿流体温度介于90~257℃,盐度介于0%~24%NaCl eq.,总体反映了中低温高盐度盆地卤水来源和另一种具中低温中低盐度特征的流体来源。不同矿区硫同位素组合差异较大,其中IranKuh矿区硫化物硫同位素为负值,介于-10‰^-3‰,重晶石硫同位素为正值,介于14‰~19‰,Emarat矿区硫化物硫同位素为正值,介于2‰~15‰,总体反映了生物还原或有机质热还原赋矿碳酸盐岩地层封存水中溶解的早白垩世海相硫酸盐为主要还原硫来源。方铅矿铅同位素组成在带内各矿区差别不大(206Pb/204Pb介于18.389~18.471,207Pb/204Pb介于15.628~15.659,208Pb/204Pb介于38.470~38.650),推测成矿金属物质来自区域整套的上地壳地层。该矿带碳酸盐岩容矿铅锌矿床为一套与岩浆作用无关的后生铅锌矿床,以世界上的矿床类型划分可在大范畴上归入MVT铅锌矿床,但是,这些矿床形成于大陆碰撞造山带内部,受控于区域压扭性构造,矿物组合中富石英的存在,这些特点并不能被已建立的MVT铅锌成矿模式所涵盖,彰显出了其独特的成矿特征,故暂视为一套类MVT铅锌矿床。这些矿床的成矿过程和其东邻的"三江"成矿带铅锌成矿发育相似,可初步归纳为:斜向碰撞、压扭性构造发育、盆地卤水下渗—流体汇聚,圈闭、有机质、细菌准备—硫酸盐被还原、还原硫形成,应力松弛—流体排泄,流体混合—金属沉淀,区域富岩浆岩地层准备、成矿流体温度快速下降—富硅矿物组合形成。 展开更多
关键词 碳酸盐岩容矿铅锌矿床 类MVT铅锌矿床 马拉耶尔-伊斯法罕成矿带 扎格罗斯碰撞造山带 伊朗
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A recent review on phytochemical constituents and medicinal properties of kesum(Polygonum minus Huds.) 被引量:2
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作者 Paritala Vikram Kishore Kumar chiruvella +1 位作者 Ilfah Husna Abdullah Ripain Mohammed Arifullah 《Asian Pacific Journal of Tropical Biomedicine》 SCIE CAS 2014年第6期430-435,共6页
Medicinal plants and herbal preparations are gaining renowned interest in scientific communities nowadays due to their reliable pharmacological actions and affordability to common people which makes them effective in ... Medicinal plants and herbal preparations are gaining renowned interest in scientific communities nowadays due to their reliable pharmacological actions and affordability to common people which makes them effective in control of various diseases.Polygonum minus(Polygonaceae)locally known as kesuni is an aromatic plant commonly used in Malay delicacies.The plant is having potential applications due to its high volatile oil constituents in perfumes and powerful antioxidant activity.It has been used traditionally to treat various ailments including dandruff.The research has been carried out by various researchers using different in vitro and in vivo models for biological evaluations to support these claims.This review paper may help upcoming research activities on Polygonum minus by giving up to date information on the phytochemical constituents and medicinal properties of kesum to a possible extent with relevant data. 展开更多
关键词 malay HERBS POLYGONACEAE Pharmacological properties PHYTOCHEMICAL constituents Pigmy KNOT weed
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Genetic differentiation in two widespread, open-forest bird species of Southeast Asia (Copsychus saularis and Megalaima haemacephala): Insights from ecological niche modeling 被引量:2
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作者 Haw Chuan LIM Fasheng ZOU Frederick H. SHELDON 《Current Zoology》 SCIE CAS CSCD 2015年第5期922-934,共13页
Ecological niche modeling has emerged as an useful tool in the investigation of the phylogeographic histories of species or communities in a region. The high biodiversity (oftentimes cryptic), and complex geography ... Ecological niche modeling has emerged as an useful tool in the investigation of the phylogeographic histories of species or communities in a region. The high biodiversity (oftentimes cryptic), and complex geography and geological history of Southeast Asia particularly call for multipronged approaches in phylogeographic investigations. Past studies have focused on taxa that are associated with lowland rainforests, which is the dominant natural vegetation type. Here, we combine published phylogenetic data, ecological niche modeling and paleo-climate models to reveal potential drivers of divergence in two open-forest bird species, the oriental magpie-robin Copsychus saularis and Coppersmith barbet Megalaima haemacephala. In spite of broad overlap in current distributions, there are subtle differences in their climatic niches, which result in different responses to past climatic changes. For C saularis, both Last Glacial Maximum climate models indicated that the entire Sundaland was climati- cally suitable, while phylogenetic analyses found divergent eastern and western Sundaland lineages. We thus postulate that this genetic divergence was a result of past separations of coastal habitats into eastern and western portions due to the emergence of Sunda shelf as sea-level fell. The current separation of morphological subspecies in Borneo is maintained by low climatic suitability (high annual rainfall) in certain regions. The extirpation of M. haemacephala from Borneo and southern Malay Peninsula might have been driven by unsuitable conditions (high temperature seasonality) in central Sundaland and/or the lack of open woodlands. Our study shows that ecological niche modeling adds a powerful dimension to our attempt to understand lineage evolution in space [Current Zoology 61 (5): 922-934, 2015]. 展开更多
关键词 Barbet Indo-Burma malay Archipelago Magpie-robin PHYLOGEOGRAPHY Species distribution modeling
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