Documente publicate de Ieremia Roman
Ieremia Roman
10 documente publicate în Biblioteca RegieLive
Economic Sociology
1. Introduction 1.1. Characteristics of the Social Sciences Economics is the scientific study of an aspect of human behaviour. Because its subject matter involves behaviour of human beings it is called a social science, in the same way as sociology, politics or psychology. Science is sometimes defined as a... citește mai departe
On a Study of some Gambling Games
Introduction Probability theory began in seventeenth century France when the two great French mathematicians, Blaise Pascal and Pierre de Fermat, corresponded over two problems from games of chance. Problems like those Pascal and Fermat solved continued to influence such early researchers as Huygens, Bernoulli,... citește mai departe
Organic-Inorganic Nanocomposites
1.1 Specific properties of nanoclusters As advanced technologies are expanding, the need for novel functional materials significantly increases. Nowadays, materials with a special combination of properties (e.g., magnetic–transparent, conductive–transparent, catalyticmagnetic, etc.) are strictly required. A... citește mai departe
Laborator Chimie-Fizica
Summary The aim of this experiment is to emphasize the relation between solubility and temperature and to calculate the differential heat of solution for a solid at saturation. Theoretical aspects The equilibrium conditions between solid phase and liquid phase for a 2 components system could be considered in 2... citește mai departe
Laboratoare Fizică II cu date prelucrate
1. Objectives - study of the absorption of β particles by a material (aluminium); - experimental determination of the end-point energy of β particles employing the absorption curve. 2. Theoretical Aspects β-Disintegration represents the spontaneous emission of an electron or a positron by an unstable nucleus, or... citește mai departe
Laboratoare optică cu date prelucrate
1. The goals of experiment - illustration of the Fraunhoger diffraction by using a parallel beam and a diffraction grating - determination of wavelength of a monochromatic light radiation 2. Theoretical aspects: 2.1 Fraunhofer diffraction through a slit Let’a consider a rectangular slit of length L>>width a.... citește mai departe
Polymers for Drug Controlled-Delivery Systems
1. Introduction Controlled release drug delivery is a new way to treat illnesses. The term controlled release refers to the ability of a drug delivery system to release a drug over an extended period of time at a controlled rate. It generally involves implanting an engineered polymer directly into the organ or... citește mai departe
Determinarea Cuprului cu Batocuproina
Cuprul este o componenta esentiala pentru plante si animale in cantitati mici. Cu toate acestea, cuprul devine toxic cand este in exces, fiind unul dintre cei mai studiati agenti poluanti. Cea mai importanta sic ea mai toxica stare de oxidare a cuprului din mediul natural este Cu(II). Orice Cu(I) present este oxidat... citește mai departe
Redox Titrations
General applications of redox titrimetry environment public health and industrial analyses - chlorination of public water supplies. Chlorination of public water supplies Efficiency of chlorination depends on the form of the chlorinating species. free chlorine residual, due to Cl2, HOCl, and OCl– combined... citește mai departe
Guerilla Marketing
“The aim of marketing is to make selling superfluous.” Peter Drucker Guerrilla Marketing is unconventional strategies, secrets, and tactics for earning conventional goals -- big profits from your small business. Everything you do to promote your practice, from the moment you conceive of it to the point at which... citește mai departe