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Search Results: 1 - 10 of 61258 matches for " YU Heli "
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Integro-Differential Equations for a Jump-Diffusion Risk Process with Dependence between Claim Sizes and Claim Intervals  [PDF]
Heli Gao
Journal of Applied Mathematics and Physics (JAMP) , 2016, DOI: 10.4236/jamp.2016.411205
Abstract: The classical Poisson risk model in ruin theory assumed that the interarrival times between two successive claims are mutually independent, and the claim sizes and claim intervals are also mutually independent. In this paper, we modify the classical Poisson risk model to describe the surplus process of an insurance portfolio. We consider a jump-diffusion risk process compounded by a geometric Brownian motion, and assume that the claim sizes and claim intervals are dependent. Using the properties of conditional expectation, we establish integro-differential equations for the Gerber-Shiu function and the ultimate ruin probability.
The Impact on the Environment and Economy Due to the Introduction of Electric Cars: Based on the Fuzzy Synthetical Evaluation Method  [PDF]
Heli Gao
Journal of Applied Mathematics and Physics (JAMP) , 2016, DOI: 10.4236/jamp.2016.412212
Abstract: In this paper, we establish a model to analyze the influence of widespread use of electric vehicle on environment, society and economist based on Fuzzy Comprehensive Evaluation method. We set the fuzzy objects are internal combustion engine vehicles, pure electric vehicles and hybrid electric vehicles. Considering the difference of environment, society and economics, we use of three different kinds to define the fuzzy evaluation factor sets. According to the data and calculating results, we finally obtain fuzzy synthetical evaluation matrix. Through comparing and analysis, we draw such conclusion that the widespread using of electric vehicle is benefit for both environment and economics, while has disadvantageous influence for some aspects on society. In Section 3, we establish a model to estimate the influence of widespread use of electric vehicles on energy saving. According to the proportion of coal resources in the whole energies, we use Linear Regression Model to forecast the development situation in the following several years. Contrasting energy consumptions of electric vehicles and internal combustion engine vehicles, we calculate the whole energies saved by widespread use of electric vehicles. In Section 4, we establish a multi-objective programming model to plan the number and type of power station. Considering the thermal power, hydropower, nuclear power and solar power as four ways, combined with the funds of setting up power station, running funds and the cost of dealing with the pollutants, we find the objective function and four constraints, and finally we reach optimal solution using lingo software.
Organisational Culture and the Adoption of New Public-Management Practices = Povzetki Abstracts novega javnega managementa
Heli Hookana
Management , 2008,
Abstract: This study provides insights into the levels of adoption and success of New Public Management practices, reflected in the degree of innovative accounting practices and cultures. The analysis draws upon two in-depth empirical investigations. The results provide empirical evidence to support a two-way interaction between management orientation to adopting the new accounting methods and organisational innovative changes. The success and failure could be characterised as a fragile construction that turns on the strength of diverse ties connecting many heterogeneous elements. The meaning of the subcultures and the externally driven change process are discussed in the context of Scandinavian public management.
Holtittomia ja humalaisia naisia
Heli Niskanen
J@rgonia , 2005,
Abstract: Artikkelissa tarkastellaan Norbert Eliasin sivilisaatioteorian innoittamana naisena olemisen s nt j ja k sityksi hyv st ja huonosta naiseudesta. Tutkimuksen aineisto on ker tty osallistuvan ja tavallisen havainnoinnin kautta baarien eli y kerhojen, klubien ja tanssiravintoloiden naistenvessoista. Sivilisaatioprosessin kontekstissa vessat m rittyv t likaisiksi ja h pe llisiksi tiloiksi, mutta baarien naistenvessat ovat my s paikkoja, joissa huolehditaan ulkon st ja jutellaan yst vien kanssa. Naistenvessoissa puidaan erityisesti ulkon k - ja ihmissuhdeongelmia, ja keskustelujen perusteella artikkelissa todetaan, ett oikeanlaisessa naiseudessa naisten mielest t rkeit ovat erityisesti ulkon k n ja miessuhteisiin liittyv t seikat. Omaa, oikeanlaista naiseutta korostetaan esimerkiksi huolitellun ulkon n kautta. Vaikka naiset haluavatkin n in kontrolloida itse n, baarissa heit my s kiehtoo heitt ytyminen alkoholin, viettien ja halujen viet v ksi.
Jazz Education and the Jazz Periphery: An Example from Estonia
Heli Reimann
Journal of Music History Pedagogy , 2013,
Abstract: Jazz has firmly established its position in the academic establishment and has its own educational paradigms and pedagogical methodologies. The question arising in this context is the relationship of the central educational and pedagogical paradigms of the educational situation in the imaginary periphery. Is the (so called) central model the only possible way to think about jazz education nowadays? To what the extent does this model of jazz education meet the needs of jazz practices in the periphery? This study tries to give some possible answers to those questions by the example of jazz education and scene in Estonia.
Enantioselective Aldol Reactions of Aliphatic Aldehydes with Singh’s Catalyst  [PDF]
Heli Kylm?l?, Antti Neuvonen, Reija Jokela
International Journal of Organic Chemistry (IJOC) , 2013, DOI: 10.4236/ijoc.2013.32020

Aldols from aliphatic aldehydes had been synthesized enantioselectively using Singh’s catalyst. Self and crossed aldol reactions with several linear aldehydes were performed.

Fast Parameter Estimation for Pseudo-Stochastic Pulse

刘伟平, 郝金明, 田英国, 于合理
LIU Weiping
, HAO Jinming, TIAN Yingguo, YU Heli

- , 2015, DOI: 10.13203/j.whugis20130556
Nutri??o do algodoeiro II - Absor??o mineral por plantas cultivadas em solu??es nutritivas
Mendes, Heli Camargo;
Bragantia , 1960, DOI: 10.1590/S0006-87051960000100028
Abstract: the amount of minerals absorbed by cotton plants (gossypium hirsutum l.) was determined by chemical analysis of samples from the nutrient solutions in which they were growing, collected at ten-day intervals throughout fifteen decades. the results were as follows: (a) - in a general manner the bulk of absorption occurred between the 20th and 60th days for all nutrients; (b) - n-p-k uptoke was larger during the early square and early ball stages with a secondary peak observed 20 to 50 days after these stages; (c) - maximum ca uptake occurred in the 20-50 day stage, with moderate uptakes at 70, 110, and 140 days; (d) - mg absorption was higher in the first 10-50 days, and moderate afterwards; (e) - s uptake increased until the 50th day and decreased afterwards; (f) - fe absorption was moderote at 10-20 and 45-80 day stages, and irregular outside these periods. approximately 1/5 of the total mg, s, and fe was taken up during the first 30-day period in the life of the plant, ending with the formation of the first square. by the time setting of the first boll occurred (60 days), approximately 1/2 of the total n, k, co, and s hod been taken up by the plant. finally, at the opening of the first boll (120 days), 90 per cent of the total uptoke had been already absorbed by the plant, thus indicating that only 10 per cent was taken up during the final ripening and maturing period. the n, p, k, ca, and mg concentrations (not the weight per plant) decreased both in shoots ond roots from the beginning to the end of the vegetative cycle in nutrient solutions; ca and mg concentrations in roots remained almost constant, whereas fe concentration in shoots and roots increased as the plants became older.
Nutri??o do algodoeiro I - Sintomas de deficiências minerais em plantas vegetando em solu??es nutritivas
Mendes, Heli Camargo;
Bragantia , 1959, DOI: 10.1590/S0006-87051959000100030
Abstract: this paper describes and illustrates the main visual symptoms of nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, and iron deficiencies, induced in cotton plants (var. stoneville) (gossypium hirsutum l.) growing in hoagland's nutrient solutions.
Incidencia del capital intelectual en el valor de mercado de las compa?ías. Su aplicación al mercado público de valores de Colombia
Solano Ruiz,Arnaldo Heli;
Cuadernos de Contabilidad , 2010,
Abstract: the information provided by the accounting information system (or financial accounting) is focused primarily on measuring the tangible or physical. however, more insistently, investors seek to assess the intangible capital in the new economy. to do this, they rely on financial reports either required by law or voluntarily prepared, which they published online or through regulatory bodies or on their own pages. based on the quantitative and qualitative information, assessment processes are carried out that must justify the diference between the market price of the securities traded, and the book value of the securities in the financial statements. this paper intends to demonstrate that tobin?s q, an indicator that relates the above variables (market and statements), contains value creation for the intellectual capital. it draws on information provided by internet companies of medium and high trading volume in colombia?s capital market up to may 2007.
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