The intensification of a low-level jet off the Somali coast, as observed through GOES (I-O) satellite during Indian summer monsoon 1979 has been studied. Excitation of Low-level cross-equatorial flow in the western In...The intensification of a low-level jet off the Somali coast, as observed through GOES (I-O) satellite during Indian summer monsoon 1979 has been studied. Excitation of Low-level cross-equatorial flow in the western Indian ocean results from an interaction between extratropical perturbations moving eastward across the South African-Malgassy region of the Southern Hemisphere. This excitation occurs 2-3 days after the first appearance of a northward propagation cold front across the South African-Malgassy region. Inten-sification of cross-equatorial flow is followed by an increase in rainfall activity along the west coast of India after 3-4 days. The study reveals that this association can be used to forecast an increase in rainfall activity along the west coast of India 5-7 days in advance.展开更多
This paper first gives out the existence of the multi object sample surveys optimum sample size,then analyses the recent research of this field,presents a new method of solving the multi object sample surveys opti...This paper first gives out the existence of the multi object sample surveys optimum sample size,then analyses the recent research of this field,presents a new method of solving the multi object sample surveys optimum sample size,and its mathematical proof.展开更多
Keynesian multiplier theory is only limite to describe aggregate of macro-economics,without the function of representing the quantitative relationship of structural change of investment and consumption.By using I-O te...Keynesian multiplier theory is only limite to describe aggregate of macro-economics,without the function of representing the quantitative relationship of structural change of investment and consumption.By using I-O technique,we extend Keynesian multiplier thoery from aggregate analysis to structural analysis,and set forth the second-stage I-O analytic method.The structural Keynesian multiplier analytical method includes two forms:1.I-O table (second-stage I-O table);2.Mathematical model.By combination the quadrant of Ⅱ and Ⅲ in orginal I-O table form the second-stage I-O table.Although the second-stage I-O table having the similar structural form and I-O model as theorginal I-O table,the economic contents expressed by model are totally different.We explain the concrete methods and steps to establish structural investment multiplier and consumption multiplier and the economic structural relationship reflected by the model and economic meanings of various coefficients.In addition,we also point out five aspects we should pay attention to when establish and apply the structural multiplier model.展开更多
文摘The intensification of a low-level jet off the Somali coast, as observed through GOES (I-O) satellite during Indian summer monsoon 1979 has been studied. Excitation of Low-level cross-equatorial flow in the western Indian ocean results from an interaction between extratropical perturbations moving eastward across the South African-Malgassy region of the Southern Hemisphere. This excitation occurs 2-3 days after the first appearance of a northward propagation cold front across the South African-Malgassy region. Inten-sification of cross-equatorial flow is followed by an increase in rainfall activity along the west coast of India after 3-4 days. The study reveals that this association can be used to forecast an increase in rainfall activity along the west coast of India 5-7 days in advance.
文摘This paper first gives out the existence of the multi object sample surveys optimum sample size,then analyses the recent research of this field,presents a new method of solving the multi object sample surveys optimum sample size,and its mathematical proof.
文摘Keynesian multiplier theory is only limite to describe aggregate of macro-economics,without the function of representing the quantitative relationship of structural change of investment and consumption.By using I-O technique,we extend Keynesian multiplier thoery from aggregate analysis to structural analysis,and set forth the second-stage I-O analytic method.The structural Keynesian multiplier analytical method includes two forms:1.I-O table (second-stage I-O table);2.Mathematical model.By combination the quadrant of Ⅱ and Ⅲ in orginal I-O table form the second-stage I-O table.Although the second-stage I-O table having the similar structural form and I-O model as theorginal I-O table,the economic contents expressed by model are totally different.We explain the concrete methods and steps to establish structural investment multiplier and consumption multiplier and the economic structural relationship reflected by the model and economic meanings of various coefficients.In addition,we also point out five aspects we should pay attention to when establish and apply the structural multiplier model.
