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Ore Reserve Estimation By Using A Geostatistical Tool At Heinda Mine,Tanintharyi Region,Union Of Myanmar, Aye Min Tun -
Ore Reserve Estimation By Using A Geostatistical Tool At Heinda Mine,Tanintharyi Region,Union Of Myanmar, Aye Min Tun -
Chulalongkorn University Theses and Dissertations (Chula ETD)
Heinda mine is one of major tin producers in Myanmar. The mine has been operated for over 100 years. The mine falls at Latitude 14° 8’ N and Longitude 98° 27’ E, approximately about 45 kilometers to the east of Dawei. The ore reserve is the principal factor of mining venture. The aim of this study is to improve the ore reserve estimation by using geostatistical method (ordinary kriging) compared with conventional method (polygonal method) In geostatistical evaluation, it involved variogram analysis, variogram modelling and kriging estimation. The exponential variogram modelling was used to calculate the ordinary kriging estimation. The …
Pre-Feasibility Study On Granite Quarry For Aggregate: A Case Study At Kanchanaburi Province, Thailand, Bee Ziyivang
Pre-Feasibility Study On Granite Quarry For Aggregate: A Case Study At Kanchanaburi Province, Thailand, Bee Ziyivang
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aims to develop long term mine planning and design, equipment requirement calculation, and financial model analysis of mining and crushing plant. The ore reserve estimation and pit design carried out by using MineSight software (Ver. 9.50). A discounted cash flow model (DCF) and sensitivity analysis used to evaluate the financial project. Based on our study, the open-pit mining method was advisable for mine planning and design. Ore reserve estimated to 48.4 Mtons under the mining operation of 2.4 Mtos per year. The project time frame is 22 years which spends 21 years for operation and one year for …
Effectiveness Evaluation Of Fluorescent Tracer In Shaly-Sandstone Reservoir, Harid Pataveepaisit
Effectiveness Evaluation Of Fluorescent Tracer In Shaly-Sandstone Reservoir, Harid Pataveepaisit
Chulalongkorn University Theses and Dissertations (Chula ETD)
In petroleum exploration and production industry, tracer is a compound added to injected fluids, and can be easily detected even in a trace amount. Fluorescein sodium, a chemical tracer that can illuminate upon receiving a specific wavelength of light, was mentioned by several literatures due to its strong fluorescence at low concentration, non-toxicity, and non-biodegradability. In this study, fluorescein sodium in the form of fluorescein solution was evaluated with shaly-sandstone to observe their interactions. The first half of this study focused on the evaluation of the chemical characteristics of fluorescein. First, the detection limit of fluorescein solution in deionized water …
Antimicrobial Effect Against Oral Microbiota After Continuous Use Of Natural Oral Spray Products, Chanon Suwanprapis
Antimicrobial Effect Against Oral Microbiota After Continuous Use Of Natural Oral Spray Products, Chanon Suwanprapis
Chulalongkorn University Theses and Dissertations (Chula ETD)
So far as we know there were several natural extracts possessed antimicrobial activity against oral microbiota. These natural extracts can be used as an alternative to replace chlorhexidine mouthwash which retains unfavorable flavor and also has some adverse effects. However, the antimicrobial activity of the natural extracts in commercial products have never been demonstrated especially in vivo studies. Therefore, the purpose of this study is to investigate the antimicrobial activity of natural oral spray against oral bacteria compared with chlorhexidine mouthwash, and patient satisfaction. Participants had used two types of commercial natural oral spray products, including essential oil and essential …
Tooth Agenesis In Thai Population: Prevalence, Characteristics And Its Genetic Variant In A Thai Family, Charinya Kanchanasevee
Tooth Agenesis In Thai Population: Prevalence, Characteristics And Its Genetic Variant In A Thai Family, Charinya Kanchanasevee
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objectives: To assess the prevalence and characteristics of tooth agenesis in Thai population and to identify the genetic variants in a family affected with tooth agenesis. Methods: Panoramic radiographs in a random sample of Thai patients from 15 to 20 years of age which were taken in 2017 at the Faculty of Dentistry, Demographic data (age and sex) and dental characteristics of the patients were recorded. A chi-square test was used to determine the differences in the prevalence of tooth agenesis between sexes, maxillary-mandibular teeth, left-right sides, and numbers of missing teeth. Three mL of blood samples were collected for …
Associations Between Social Determinants And Prosthesis Obtained In Bangkok Elders: 10 Years After Universal Coverage Policy Implementation, Chutimont Jindarojanakul
Associations Between Social Determinants And Prosthesis Obtained In Bangkok Elders: 10 Years After Universal Coverage Policy Implementation, Chutimont Jindarojanakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
In these ten years, the number of elderly populations in Bangkok has increased every year and tooth loss is still a major oral problem in their daily life. The main treatment in solving this problem is to replace the edentulous ridge with a prosthesis. There are many factors that affect the elderly to obtain the prosthesis. For the financial aspect, the government has supported the elderly by three main supporting insurance systems. The aim of this study is to investigate the associations between social determinants and prosthesis obtained of the elderly in Bangkok, during 10 years after the implementation of …
Oral Candida Colonization In Thai Denture Wearing Elderly With Hyposalivation, Nada Buranarom
Oral Candida Colonization In Thai Denture Wearing Elderly With Hyposalivation, Nada Buranarom
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objective: To examine relationships between hyposalivation, oral Candida colonization and oral health status in generally healthy elders and evaluate factors that affect salivary flow rates and Candida colonization in a cross-sectional study. Materials and methods: Fifty-three elderly participants were enrolled and interviewed for medical history, subjective dry mouth symptoms, oral hygiene practice and denture information. Unstimulated and stimulated salivary flow rates, clinical signs of dry mouth, gingival index, tongue coating index and root caries index were recorded. Stimulated saliva samples were cultured on Sabouraud dextrose agar for colony counts and Candida species were identified with chromogenic Candida agar and polymerase …
Prevalence And Oral Health-Related Factors Associated With Mild Cognitive Impairment In Elderly Dental Patients At Faculty Of Dentistry, Chulalongkorn University, Panatcha Weerapol
Prevalence And Oral Health-Related Factors Associated With Mild Cognitive Impairment In Elderly Dental Patients At Faculty Of Dentistry, Chulalongkorn University, Panatcha Weerapol
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aims to assess the prevalence of Mild Cognitive Impairment (MCI) and its oral health-related factors in elderly dental patients at Geriatric dentistry clinic and Prosthodontic clinic of Faculty of Dentistry, Total 248 dental patients aged 60 years and above were recruit. Average age of participants was 68.68 years with 73.0 % female. Cognitive functions were assessed by Montreal Cognitive Assessment Thai version (MoCA-T). Individual data were obtained by self-reported interview. Oral examinations were evaluated by a dentist. The prevalence of MCI was found 29.4% in elderly dental patients and was higher than among general elders. Oral health-related factors …
Dental Services Utilization, Oral Status, And Oral Health-Related Quality Of Life Among Thai Elderly: Data From The Eight Thailand National Oral Health Survey, Punkanit Harirugsakul
Dental Services Utilization, Oral Status, And Oral Health-Related Quality Of Life Among Thai Elderly: Data From The Eight Thailand National Oral Health Survey, Punkanit Harirugsakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
The number of older adults in Thailand is currently increasing. To create the appropriate oral health service for them requires understanding the associations between dental service utilization (DSU), oral status and oral health-related quality of life (OHRQoL). The objectives of this study were to examine the associations of DSU and oral status with OHRQoL and to examine the associations between social backgrounds and DSU in Thai older adults. Data on 4,130 Thai older adults from the 8th Thailand National Oral Health Survey were collected through interviews and oral examination. Chi-square test and multiple logistic regression models were applied. Thai older …
A Comparison Of Microrna Profiles Between Rat Incisors And Molars, Sirawit Nipakasem
A Comparison Of Microrna Profiles Between Rat Incisors And Molars, Sirawit Nipakasem
Chulalongkorn University Theses and Dissertations (Chula ETD)
Unlike the molar, rodent incisor is a distinct organ that have continuously growth at distal end of tooth throughout its lifetime to compensate for abrasion. The key of continuous growth is the result of delayed root formation and prolonged crown formation that possibly made by stem cell niche, so-called cervical loop, which involve various genes and signaling pathways. MicroRNAs (miRNAs) are small non-coding single stranded RNAs that involved in biological mechanisms of dental development. To study the role of miRNA, we extracted total RNA from the dental pulp tissue collected from the apical part, coronal part of incisors and molars, …
Oral Health-Related Quality Of Life And Related Factors In The Elderly Patients Who Received Dental Treatment, Teerawut Tatiyapongpaiboon
Oral Health-Related Quality Of Life And Related Factors In The Elderly Patients Who Received Dental Treatment, Teerawut Tatiyapongpaiboon
Chulalongkorn University Theses and Dissertations (Chula ETD)
This thesis is a cross-sectional study which explores underlying determinants of elderly patients. The study examines related factor that impaired Oral Health-related Quality of life (OHRQoL) and analyzes the characteristics of elderly patients at our clinic. 46 participants are patients who completed dental treatment more than 6 months during May 2016 to December 2018. Underlying determinants information were recorded by interview, patient chart review and oral examination. There were collected self-evaluation and Oral Impacts on Daily Performances (OIDP). Descriptive statistics was used to describe the characteristics of patients. Spearman correlation and Kruskal-Wallis test at P-value < 0.05 were performed. From the results, the participant’s OIDP scores showed the majority in no severity and no more than 2 impacts activities. The major activities that were impacted were eating activity and speaking activity due to ill-fitting dentures but less impacts in psychological and social performance. There was poor denture satisfaction that impaired participant’s OHRQoL. However, there were differences between dentist and patient evaluation. The authors suggest that the dental treatment should focus on the recall system, the frequency of dental recall visits, procedures to successful oral hygiene instruction and skills to handle the denture problems.
The Study Of Oro-Dental Structures And Application Of Dental Adhesives In Patients Affected With Osteogenesis Imperfecta, Oadcharawadee Nutchoey
The Study Of Oro-Dental Structures And Application Of Dental Adhesives In Patients Affected With Osteogenesis Imperfecta, Oadcharawadee Nutchoey
Chulalongkorn University Theses and Dissertations (Chula ETD)
Objectives: To investigate genetic mutations, oro-dental features, tooth ultrastructures, and characteristics of total-etch adhesives (Optibond FL; Kerr) and self-etch adhesives (Clearfill SE Bond; Kuraray) applied on the teeth of the patients who affected with syndromic osteogenesis imperfecta and dentiongenesis imperfecta(DGI), compared with the controls. Methods: Three patients were diagnosed with osteogenesis imperfecta and dentinogenesis imperfecta at Faculty of Medicine, Clinical, radiographic, and laboratory examination were performed. Genetic mutations were analyzed by whole-exome sequencing (WES) and Sanger sequencing. Three teeth were obtained, one tooth from each patient (DGI tooth). Each tooth sample was examined for its color by colorimeter, mineral composition …
Heavy Metals In Hair And Nails Of Electronic Waste Dismantling Workers In Buriram, Thailand, Jaruwan Silachan
Heavy Metals In Hair And Nails Of Electronic Waste Dismantling Workers In Buriram, Thailand, Jaruwan Silachan
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aimed to investigate and compare the concentration of eight heavy metals (As, Cd, Cr, Cu, Mn, Ni, Pb, and Zn) in hair and nails of e-waste workers and non-e-waste workers. Hair and nails samples were collected from participants in Daeng Yai sub-district, Ban Mai Chaiyapot district, and Ban Pao sub-district, Puttatisong district, Buriram, Thailand from December 2018 to January 2019. All sampled were digested with nitric acid by microwave digester and the concentration of heavy metals was analyzed by using Inductively Coupled Plasma Mass Spectrometry (ICP-MS). The results showed that the concentration of As and Cd in both …
Inhalation Exposure And Urinary Level Of Heavy Metals Of Electronic Waste Dismantling Workers In Buriram, Thailand., Panvarong Wongsabsakul
Inhalation Exposure And Urinary Level Of Heavy Metals Of Electronic Waste Dismantling Workers In Buriram, Thailand., Panvarong Wongsabsakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
The main objective of this study was to assess the health risk of electronic waste dismantling workers exposed to heavy metal (As, Cd, Cr, Cu, Pb, Ni, Mn, and Zn) in PM10 using urinary heavy metals as a biomarker. The levels of heavy metals in the urine of non- and e-waste dismantling workers in consequence of the exposure to heavy metals in PM10 were investigated at Daengyai sub-district, Banmaichaiyapot district, and Banpao sub-district, Phutthaisong district, Buriram province, from February to March 2019. A face-to-face interview using a questionnaire was carried out to get additional information from the target participants. The …
Pm2.5, Pm10 Air Pollution And Associated Heavy Metals In Traffic Congested And Construction Areas Of Bangkok, Paphinwit Thammasaroj
Pm2.5, Pm10 Air Pollution And Associated Heavy Metals In Traffic Congested And Construction Areas Of Bangkok, Paphinwit Thammasaroj
Chulalongkorn University Theses and Dissertations (Chula ETD)
The capital city of Thailand, Bangkok, is facing a serious problem caused by overpopulation and traffic congestion. In the this work, particulate matter, both PM2.5 (diameter < 2.5 μm) and PM10 (diameter < 10 μm) were quantified at the road nears construction areas and road with high traffic; compared with a control area. The sampling area comprised of Pattanakarn Road and Srinagarindra Road located on the eastern route, located between the inbound and outbound junction. Mini-volume air sampler was used to collect PM2.5, while cyclone air samplers were used to collect PM10. The samples were collected from November to December 2018, for 12 hours per day for 5 days at each sites. The collected samples were then digested by using microwave digestion for heavy metal components like Fe, Cu, Zn, Cd and Pb. Then, they were analyzed by Graphite Furnace Atomic Absorption Spectrometry (GFAAS) to quantify the heavy metal concentrations. Video recorders were installed at each sampling areas to monitor the traffic flow and it was found that construction areas were the most crowded. The average PM2.5 and PM10 concentrations in the construction areas were higher than those in traffic areas with no construction and the background site (a park), which had no impacts from construction and traffic. Heavy metals associated with particulate matter emitted during construction activities is an emerging environmental issue; however, construction activities are required for convenience and development. This study provides important data required to monitor the future trends of air pollution sources.
Adsorption Of Haloacetonitriles By Carbonized Metal-Organic Frameworks, Phattarawarin Rodbutr
Adsorption Of Haloacetonitriles By Carbonized Metal-Organic Frameworks, Phattarawarin Rodbutr
Chulalongkorn University Theses and Dissertations (Chula ETD)
This research investigated adsorption efficiency of four including; Chloroacetonitrile (MCAN), Dichloriacetonitrile (DCAN), Bromoacetonitrile (MBAN) and Dibromoacetonitrle (DBAN) on five acid-washed carbonized metal-organic frameworks (MOFs) (WC-ZIF-8, WC-MIL-53, WC-MIL-88B, WC-UiO-66 and WC-HKUST-1) compared with powder activated carbon (PAC S10). The synthesized materials were characterized by XRD, SEM-EDS, nitrogen adsorption isotherms, FTIR and XPS. The screening experiment revealed that WC-MIL-88B, WC-ZIF-8, and PAC had highest adsorption capacities for four HANs, respectively. The HANs molecular size and their hydrophobicity influenced the adsorption rates of HANs in the order of DBAN>DCAN>MBAN>MCAN. The adsorption isotherms showed that Di-halogenic HANs (DBAN and DCAN) can …
A Market-Based Probabilistic Risk Assessment Of As Concentration In Raw And Cooked Rice In Bangkok, Supanad Hensawang
A Market-Based Probabilistic Risk Assessment Of As Concentration In Raw And Cooked Rice In Bangkok, Supanad Hensawang
Chulalongkorn University Theses and Dissertations (Chula ETD)
Rice is a staple food of human and can be a main source of arsenic (As) exposure. This study was conducted to i) investigate the concentrations of total, inorganic and bioaccessible of As in raw rice, ii) investigate the effects of rice processing before human consumption on the concentrations of As in rice, and iii) evaluate the potential health impacts of As exposure through rice consumption. A total of 208 polished and non-polished samples sold in the local markets of Bangkok were collected. The total As concentrations in polished (0.0878 to 0.2949 mg kg-1, n = 154) and non-polished (0.1187 …
Blood Lead And Cadmium Levels Of E-Waste Dismantling Workers From Inhalation Exposure To Pm2.5 And Pm2.5-10, Buriram, Thailand, Thidarat Sirichai
Blood Lead And Cadmium Levels Of E-Waste Dismantling Workers From Inhalation Exposure To Pm2.5 And Pm2.5-10, Buriram, Thailand, Thidarat Sirichai
Chulalongkorn University Theses and Dissertations (Chula ETD)
This research aims to investigate blood lead and cadmium levels in associated with inhalation exposure of Pb and Cd in PM2.5 and PM2.5-10 of the e-waste dismantling workers and non-e-waste dismantling workers in Daeng Yai sub-district, Ban Mai Chaiyapot district, and Ban Pao sub-district, Puttatisong district, Buriram, Thailand, during May to August 2019. Blood samples were collected on the next day after the air sampling. Pb and Cd in blood and air samples were quantitatively analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). The mean blood lead levels of e-waste workers from Daeng Yai sub-district, and Ban Pao sub-district, and …
The Impact Of Family Structure And Family Income On Child Physical Health In China, Baode Zhao
The Impact Of Family Structure And Family Income On Child Physical Health In China, Baode Zhao
Chulalongkorn University Theses and Dissertations (Chula ETD)
The purpose of this article is to study the relationship between child health and family income and family structure. The main use of the Height-for-Age Z score (HAZ) indicator and whether the child has been sick in the past four weeks (Ill) is used as an indicator to measure children's physical health. The main explanatory variables are family income and family structure. In terms of family structure, we mainly focus on the special group of single-parent families. In addition, it also explores other factors that affect children's health, such as demographic factors, sociological factors, and economic factors. This research will …
Parental And Peer Influence On Adolescent Smoking In Vietnam, Duong Hai Yen
Parental And Peer Influence On Adolescent Smoking In Vietnam, Duong Hai Yen
Chulalongkorn University Theses and Dissertations (Chula ETD)
To estimate the magnitude of the association between parent and peer influences on adolescent smoking as non-; light-; and heavy current smokers. By using data from 18,912 adolescents, ages from 13 to 15 years, from two years 2007 and 2014 of the Global Youth Tobacco Survey in Vietnam, were selected for these analyses. Data collected included measures for the smoking status of the adolescent and their parents and friends. Descriptive analysis was used to describe the characteristics of each individual variable. After that, the ordered logistic regression was applied to estimate the relationship between smoking behaviour of parents and peer, …
Association Between Retirement Status, Savings And Geriatric Depression In China, Fangyi Ren
Association Between Retirement Status, Savings And Geriatric Depression In China, Fangyi Ren
Chulalongkorn University Theses and Dissertations (Chula ETD)
Against the background of an aging population and a mandatory retirement policy at relatively young ages in China, mental health problems of the retired elderly have attracted more and more attention. Yet, only a few studies have looked at the association between retirement status, savings and geriatric depression in China. Using data from the CHARLS (China Health and Retirement Longitudinal Study) 2015 Wave, this thesis aims to find the association between retirement status, savings and geriatric depression of those aged 45 and above, controlling for other factors such as socioeconomic status, risky health behavior, physical health status, debt, and health …
The Impact Of Economic Development On Health : A Country-Level Analysis, Huiying Wang
The Impact Of Economic Development On Health : A Country-Level Analysis, Huiying Wang
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study investigates the impact of economic development on health, using a panel of 217 countries (139 high-income and 78 low-income countries for the period 1995-2018). Five dependent variables are included, which are life expectancy at birth, infant mortality, under-5 mortality, survival to age 65 for the female and the male population. The preferred regression method used is fixed effects - two stage least squares modeling (FE-2SLS). The specification includes two measures of economic development, including GDP per capita and the Gini index, as well as other macro-level variables that have been identified as important determinants for population health in …
Poverty And Corruption As Determinants Of Global Antimicrobial Resistance, Lyvia Ann Sanders Guerrier De Dumast
Poverty And Corruption As Determinants Of Global Antimicrobial Resistance, Lyvia Ann Sanders Guerrier De Dumast
Chulalongkorn University Theses and Dissertations (Chula ETD)
Antimicrobial resistance is a major threat to global public health and is believed to cause over 700,000 deaths per year. Efforts to tackle this problem have tended to focus on reducing antibiotic consumption and promoting the appropriate use of medicines. This study examines the relative importance of other socio-economic factors, more specifically poverty (Gross National Income per capita) and corruption (measured by quality of governance), in determining antibiotic resistance compared to use of antibiotics. Using panel data of 48 countries in 2008-2017, a fixed-effects multivariate analysis was used. Sobel tests and mediation analyses were also carried out to determine the …
Mental Health And Employment Status : Evidence From Thailand, Patchara Suwannasin
Mental Health And Employment Status : Evidence From Thailand, Patchara Suwannasin
Chulalongkorn University Theses and Dissertations (Chula ETD)
Mental health and mental disorder are significantly considered to be a worldwide issue nowadays such as depression and suicidal. Moreover, the problem of employment still occurs as an aspect of unemployment or employment status issues in those people who work in each economic sector. The objective of the study was to assess the impact of employment status on mental health and to investigate the relationship between personal characteristics and mental health in Thailand. Moreover, the channels that employment may affect mental health also were investigated in this study. A cross-sectional data, 2014 Thailand survey on conditions of society, culture, and …
Determinants Of Healthcare Utilization And Out-Of-Pocket Expenditure In Thailand, Piraya Saichol
Determinants Of Healthcare Utilization And Out-Of-Pocket Expenditure In Thailand, Piraya Saichol
Chulalongkorn University Theses and Dissertations (Chula ETD)
Thailand launched the Universal Coverage Scheme (UCS) in 2001 and most studies are focusing on the impact of the UCS on healthcare utilization and out-of-pocket (OOP) expenditure. None of the studies, however, examines healthcare utilization and OOP expenditure across the three main public health insurance schemes, i.e. UCS, Social Security Scheme (SSS), and Civil Servant Medical Benefit Scheme (CSMBS). Therefore, this study aims to examine the impact of health insurance status and use of health insurance on outpatient service utilization and healthcare OOP expenditure by using the 2017 Health and Welfare Survey data. Given large income and other disparities across …
The Health Impacts Of Groundwater Salinity Among Household Members With Different Wealth Indexes In Coastal Bangladesh, Shayan Ara Amin
The Health Impacts Of Groundwater Salinity Among Household Members With Different Wealth Indexes In Coastal Bangladesh, Shayan Ara Amin
Chulalongkorn University Theses and Dissertations (Chula ETD)
Individual and household level health impacts are related to their wealth, a connection that expands into impacts from drinking water quality. Using the Bangladesh Poverty and Groundwater Salinity Survey 2016, this study examines the relationship of self-reported groundwater salinity on self-reported health impacts that are common symptoms of hypertension among individuals for an association with household-level wealth quintiles. This study is unique in substantiating the health-wealth relationship for the climate-change vulnerable people of southwest coastal Bangladesh, where so far studies on the impact of drinking water salinity have focused on direct health impacts and willingness-to-pay for drinking water and healthcare. …
The Relationship Between Social Participation And Smoking Among Middle-Aged And Elderly Persons In China, Yuqing Liu
The Relationship Between Social Participation And Smoking Among Middle-Aged And Elderly Persons In China, Yuqing Liu
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study examined the relationship between social participation and smoking among middle-aged and elderly persons. This study used a secondary dataset drawn from the China Health and Retirement Longitudinal Study (CHARLS,2015). In this nationally survey, the number of observations was 9,876. The dependent variable used in this study is smoking and non-smoking. Smoking includes light smoking, moderate, and heavy smoking. The explanatory variables are family factors, demographic characteristics, and socioeconomic factors. Factors associated with smoking were examined with logistic regression model. The results showed that gender, marital status, health self-assessment, pension, chronic disease, playing Mahjong, playing chess, playing cards, or …
Factors Affecting The Purchase Of Commercial Endowment Insurance For The Chinese Adults, Tiantian Jin
Factors Affecting The Purchase Of Commercial Endowment Insurance For The Chinese Adults, Tiantian Jin
Chulalongkorn University Theses and Dissertations (Chula ETD)
The study aimed to explore factors affecting the purchase of commercial endowment insurance for the Chinese adults. It used secondary data from “China Health and Retirement Longitudinal Study”, this data was based on family and individual who are 45 and over years old with a total of 17,000 individuals in 2015. In this study the percent of people with commercial endowment insurance is 0.93%, while the percent of people without is 99.07% so it used the Binary logistic model. Factors are studied from individual characteristic consists of age, gender, education, health status and income, and family characteristic composes of number …
Jellyfish Sting And First Aid Knowledge Among 6th-9thgrade Students In Koh Mak, Koh Kood, And Koh Chang, Trat Province, Thailand, Hansa Premmaneesakul
Jellyfish Sting And First Aid Knowledge Among 6th-9thgrade Students In Koh Mak, Koh Kood, And Koh Chang, Trat Province, Thailand, Hansa Premmaneesakul
Chulalongkorn University Theses and Dissertations (Chula ETD)
Background: Injuries from jellyfish are an important public issue. Students are both potential victims and victim-helpers. Objectives: This study aims to investigate the knowledge of jellyfish stings and first aid management in 6th-9th grade students living on three islands in Trat, Thailand. Materials and Methods: A cross-sectional study was conducted by using a questionnaire distributed to all 6th-9th grade students living on these islands. Relationship between total knowledge score and independent variables were assessed by Fisher’s exact test and multiple logistic regression. Results: Of the three islands students from Koh Kood had the highest knowledge (75.27%), followed by students from …
Effects Of 3d Printer Parameters On Conductivity Of Nano-Titanium Dioxide On Electrode Solar Cells, Krairop Charoensopa
Effects Of 3d Printer Parameters On Conductivity Of Nano-Titanium Dioxide On Electrode Solar Cells, Krairop Charoensopa
Chulalongkorn University Theses and Dissertations (Chula ETD)
Fabricating conductive materials on electrode of electronic devices with printing techniques continues to gain popularity, including 3D printing especially Liquid Deposition Modelling (LDM) technology which is being interested in electronics industry. This research applied LDM 3D printing to fabricate nano-Titanium dioxide (TiO₂) thin film on an electrode or anode. The aim of research was to study the effect of parameters for setting the printer, such as nozzle size, printing speed, air pressure and nozzle distance from the electrode surface, on the quality of TiO₂ thin film and related sheet resistance. The experiment began with the paste samples preparation by mixing …