Thailand is an agricultural country. So that the water resources are important. The water management is very important for keep the water used in necessary time. The monsoon is causes a heavy rain. The monsoon prediction by the mathematical model is important. The accuracy of the forecasts by the predictability measurement method is very important. In this research improvement the predictability measurement for the winter monsoon prediction in the Southeast Asia by the shallow water model. The data from The Bjerknes Centre for Climate Research (BCCR) University of Bergen Norway. The global climate model is Bergen Climate Model (BCM) Version 2.0 (BCCR-BCM2.0) of the Intergovernmental Panel on Climate Change (IPCC) are used. The data for run the model on 19 December 2059 from the WCRP CMIP3 is the initial condition. The model is run for 7 days forecast. The Lyapunov exponent (LE) is the predictability measurement method for verify the efficiency of the model and improvement the largest Lyapunov exponent (LLE) by limit theorems for verify the efficiency of the model too. The results to show that the shallow water model can be prediction the winter monsoon for 4 days forecast is accuracy when compare with the BCCR-BCM2.0 model and measure the accuracy by LE. In addition the improvement the LLE by limit theorems can be measure the accuracy of the winter monsoon for 4 days forecast to same as the LE. Therefore the improvement the LLE by limit theorems can be measure the accuracy of the winter monsoon prediction in Thailand by the shallow water model are suitable.

The objectives of this research are to propose a model for estimating and detecting rice yields in Thailand to investigate the factors related to the rice yields to find the trend and to construct the maps of rice yields in Thailand. A linear mixed model (LMM) including the spatial effects which follow the conditional autoregressive model (CAR) and the time effects which follow the first-order linear autoregressive (AR(1)) model is proposed. The estimated rice yields are used to construct the rice yield maps in Thailand. The dependent variables are the rice yield in each month of each province. The factors considered are rainfall average temperatures and regions. The results indicate that the factors enfluencing the rice yields are rainfall average temperatures and regions (North Northeast South East West Central region is a refrence region). The trend also effects the rice yields. The rice yeilds maps are easy for readers to identify which areas have high or low yields and easy to compare the yields among areas by looking at their different colors.

The purposes of this research were : 1) A study of knowledge about the nutrition labeling formats GDA of Faculty of Home Economics Technology Rajamangala University of Technology Phra Nakhon Students 2) A study of attitude towards the nutrition labeling formats GDA of Faculty of Home Economics Technology Rajamangala University of Technology Phra Nakhon Students 3) Compare knowledge about the nutrition labeling formats GDA Classified by gender years of study and majors and 4) Compare attitude towards the nutrition labeling formats GDA Classified by gender years of study and majors. The sample were 307 first year to fourth year. The instrument was a questionnaire. Frequency percentage mean standard deviation t-test ANOVA and Duncan’s Multiple Range Test were used in data analysis via computer program. The results showed that : 1) The most students have moderate level of knowledge and understanding 2) Students have a high level of attitudes when considering each item it was found that the items with the highest mean were: The GDA nutrition label is beneficial to everyone 3) Compare knowledge about the nutrition labeling formats GDA of Faculty of Home Economics Technology Rajamangala University of Technology Phra Nakhon Students Classified by gender years of study and majors It was found that students with different levels of education and disciplines had different knowledge about nutritional labels in the GDA except for students with different sex. Knowledge of nutrition labeling according to GDA not different Statistically significant at the .05 level and 4) Compare attitude towards the nutrition labeling formats GDA of Faculty of Home Economics Technology Rajamangala University of Technology Phra Nakhon students classified by gender years of study and majors it was found that students with gender education and different disciplines. Attitude toward nutritional labeling according to GDA not different statistically significant at the .05 level.

The purposes of this research were 1) to study the personal factors of students buying ready made frozen food products 2) to study the knowledge in buying ready made frozen food products of students 3) to study students buying behavior of ready made frozen food products 4) to study the relationship between personal factors and buying behavior of ready made frozen food products and 5) to study the knowledge in buying ready made frozen food products and buying behavior of ready made frozen food products. The sample was 300 students of the Faculty of Home Economics Technology Rajamangala University of Technology Phra Nakhon. The research instrument was questionnaire. The statistics used to analyze the data were frequency percentage mean standard deviation and Pearson chi-square. The data analyzed by SPSS. The research found that 1) most of students were female age range in 20-21 years studying at 3rd year income of 7001 Baths and live with families. 2)the most students knowledge buying ready made frozen food products moderately level 3) most students bought ready made frozen food products in from 7-Eleven store buying 3-4 times per week fried rice and side dish for lunch cost of buying was 51 Bahts time range of buying was 12.01-18.00 minutes the reason to buy was because it was fast and the influence decision was oneself. 4) relationship between personal factors and buying behavior of ready made frozen food products found that age year of study average monthly income and shelters except sex at 0.05 significance level. 5) knowledge buying ready made frozen food products and buying behavior ready made frozen food products found that no relationship at the 0.05 significance level.

The purposes of this research were to : 1) knowledge 2) attitude 3) vegetables and fruits consumption Behavior 4) the relationship between knowledge and consumption of vegetables and fruits Behavior and 5) the relationship between the attitude of junior high school students Srinakharinwirot University Demonstration School (secondary). The samples junior high school students School University Srinakharinwirot (secondary education) were studying into 2nd semester 2017 academic year 268 people used the questionnaire. The statistics used for data analysis were frequency percentage mean standard deviation and the Chi-Square. The results showed that to : 1) most students have no knowledge of the consumption of fruits and vegetables at a good level 2) attitude to the consumption of vegetables and fruits of students were moderating 3) most students have been a habit of consuming vegetables and stir occasionally the consumption of leave stems the fresh fruit consumption was often an apple banana orange grape mango guava strawberry and pineapple were the reason. Consumption of vegetables was delicious and fruit consumption because was delicious the food choices breakfast of steamed boiled and poached. Lunch fried food and dinner choices eat steamed boiled and poached. For snacks breakfast and afternoon snacks were eating oranges and grapes .The consumption of vegetables in one day less than 4 ladles and fruit consumption in one day less than 3 parts 4) the relationship between knowledge consumption of vegetables and fruit to the consumption of vegetables and fruits found that the relationship between the frequency of consumption of processed foods such as vegetables pickled dried and the frequency of consumption of fruit compote. The frequency of consumption of fruits and stir. There was no relationship between and 5) the relationship between attitudes in the consumption of vegetables and fruits with the consumption of vegetables and fruits found that the relationship between the frequency of consumption of fresh vegetables fruit pickle consumption frequency. The reason for vegetables and for the consumption of fruit and what kind of fruit consumption. Statistically significant was at the .05 level. There were no relationship.