SYSTEM OF INDICATORS OF THE PROFITABILITY FOR COMPANIES OPERATING IN FOREIGN TRADE

The scientific fundament of increasing foreign trade efficiency and its orientation towards obtaining maximum advantage requires first of all the specification of foreign trade efficiency and profitability content. In foreign trade, the profit of the foreign trade companies, as synthetic indicator, generally depends on the commission revenues and on the general expenses of the foreign trade company. In order to achieve a profit as large as possible, it is necessary to perform the factorial analysis of the commission revenues and the ways of increasing these revenues.profitability, foreign trade, revenue, goods

The Assessment of Banking Performances- Indicators of Performance in Bank Area

Profitability is a management concept with the objective of assessment bank's results from efficiency point of view both for entirely activity and for differently management compounds.From conceptual point of view, profitability represents the modality to achieve the major goal of bank's activity, respectively the maximization of profit in minimization risk conditions. The approach from a quality perspective of activity results conducts to assessment of application modalities of different compunds of management, in comparison to the strategy elements, thus must to result the concrete degree to achieve the politic and banking strategy compunds.profitability, assets, balance, rentability

Magnetic Properties of Variable-sized Fe3O4 Nanoparticles Synthesized from Non-aqueous Homogeneous Solutions of Polyols

The magnetic behaviour of well-dispersed monodisperse Fe3O4 nanoparticles with sizes varying between 6.6 and 17.8 nm prepared in a non-aqueous medium was investigated. The smaller nanocrystals exhibit superparamagnetism with the blocking temperatures increasing with the particle size, whereas the biggest particles are ferromagnetic at room temperature. The saturation magnetization values are slightly smaller than that of the bulk material, suggesting the existence of a disordered spin configuration on their surface. The thickness of the magnetically inert shell was estimated from the size variation of the magnetization at 1.9 Å. The dipole–dipole interactions between the particles were tuned by changing the interparticle distances, e.g. by diluting the nanopowders in a non-magnetic matrix at concentrations ranging from 0.25 to 100 wt%. As the strength of the interactions is decreased with dilution, the energy barrier is substantially lowered; this will induce a drastic decrease of both the blocking temperatures and the coercivity with decreasing concentration of the nanoparticles

The vulnerability of enterprise and the operating financial balance

In the light of functional analysis, the company is vulnerable if used, for the most time part, to financing through bank loans in the short term. This item is highlighted by the study compared of variation of the operating revolving fund, with the variation of revolving fund need. In the frame of operating balance, it believes that the need for floating capital is the most important indicator whereas place in the record those cyclical needs not covered financial from temporary resources and permanent renewable in the same cycles of operation. Achieving this balance is put into evidence of the 4 levels of functional balance, namely: working capital fund (FRF) or stable level of funding, the need for capital funds for operating (NFRE), on the one hand and the need to revolving fund outside exploitation (NFRAE) on the other hand, and the level of treasury securities.liquidity, accounting net, treasury, imbalance, balance

Nanocrystalline Transition Metal Ferrites Synthesis, Characterization and Surface Functionalization

In this thesis, a new synthetic methodology for the high yield synthesis of spineltype transition metal ferrite nanoparticles has been developed. This approach is based on the complexation of the first-row transition metal cations with diethylene glycol (DEG) followed by the hydrolysis of the resulting chelate iron alkoxide complexes in the presence of an alkaline hydroxide. Due to the passivation of their surfaces with DEG molecules, the as-prepared nanoparticles are stable against agglomeration and can be easily dispersed in polar protic solvents (water, alcohols, etc.). Alternatively, a postsynthesis passivation with carboxylate ions can render the iron oxide nanocrystals highly dispersible in non-polar solvents. Optimization of the reaction conditions suggested that the size of the nanocrystals could be controlled by changing the complexing strength of the reaction medium. This hypothesis was verified in the case of the Fe3O4 nanoparticles: their sizes vary from 5.7 nm when the reaction is performed in neat diethylene glycol to 16.8 nm in N-methyl diethanolamine (NMDEA), whereas a 1:1 (%wt) mixture of these solvents yields nanocrystals with an average size of and 12.7 nm. A detailed characterization by using a wide variety of techniques, including powder X-Ray diffraction, IR spectroscopy, thermogravimetric analysis (TGA), transmission electron microscopy (TEM) and 1H-NMR spectrometry was performed in order to elucidate the composition and the morphology of the variable-sized iron oxide nanoparticles. Both finite size and interparticle interaction effects were identified to influence the magnetic behavior of the oleate-capped nanosized particles. At low temperatures the Fe3O4 nanocrystals exhibit a ferromagnetic behavior with blocking temperatures which increase with the average particle size, whereas at room temperature, except for the largest nanoparticles, they undergo a superparamagnetic relaxation. We exploited the high surface reactivity of the 10 nm Fe3O4 nanoparticles to attach 2-3 nm gold grains to their surfaces through a simple, two-step chemically controlled procedure. By chemically bonding bioactive molecules to the attached Au nanoparticles these novel nanoarchitectures open up new opportunities for the implementation of the magnetic nanoparticles as a platform for various applications in the biomedical field

Adaptive-smith predictor for controlling an automotive electronic throttle over network

The paper presents a control strategy for an automotive electronic throttle, a device used to regulate the power produced by spark-ignition engines. Controlling the electronic throttle body is a difficult task because the throttle accounts strong nonlinearities. The difficulty increases when the control works through communication networks subject to random delay. In this paper, we revisit the Smith-predictor control, and show how to adapt it for controlling the electronic throttle body over a delay-driven network. Experiments were carried out in a laboratory, and the corresponding data indicate the benefits of our approach for applications.Peer ReviewedPostprint (published version

Magnetic Characterization of Nanocrystalline Nickel Ferrite Films Processed by a Spin-Spraying Method

Highly crystalline nickel ferrite films with different chemical compositions were processed via the spin-spraying method and their morphological, structural and magnetic properties were subsequently investigated. Regardless of the chemical composition, films with variable thicknesses are constructed by 200–400 nm spherical grains grown in the direction normal to the substrate surface. Magnetization measurements show that the spinel ferrite films present a hysteretic behaviour at room temperature with a randomly oriented in-plane easy axis and an anisotropy constant K1 ≈ −2.5 × 104 erg cm−3 Furthermore, the absence of an angular dependence of the coercivity for the in-plane measurement of magnetization coupled with the ‘M’-shaped angular dependence of the out-of-plane measurement, indicates that the anisotropy of this film is predominantly crystalline shape anisotropy

Reflection of the efficiency of the fixed capital (fixed means) into the factories’ profit

During the progress of any human activity, efficiency may be considered as a relationship between the efficiency effect obtained and the corespondent consumption of resources. The degree of reflection of of effiency of fixed in the profit of the enterprise constitutes an important aspect of the effiency of the enterprise activity. The enterprise system, prepared of an economic activity, builds its technical structura by means of fixed assets.peer-reviewe