Browsing Nr. 1 by Title

Aprecierea eficienţei economice a producţiei de legume

NICOLAESCU, A. (Editura U.T.M., 2004)

Prezenta lucrare reflectă modificarea eficienţei economice a legumelor în dependenţă de nivelul costurilor. Se consideră că cu cât costurile sunt mai reduse cu atât producerea este mai eficientă. Investigaţiile efectuate ...

Bearing supports and the assemblage errors of the ball screws of the numerical control machine tools

STAN, G.; LIVINTI, P. (Editura U.T.M., 2004)

This work presents the assemblage errors and their influence on the positioning accuracy. There are also presented the influences of the ball screw nut and bearing supports on the positioning accuracy.

Comparative results concerning the roughness obtained on surfaces cut by whirling method

PARASCHIV, Dr.; MERTICARU, V.; CREŢU, Gh. (Editura U.T.M., 2004)

The paper contains a comparative presentation of some experimental results concerning the roughness obtained on surfaces cut by whirling method, respectively for cylindrical worms and for external trapezoidal threads.

Contributions on electro-chemical processing of interior surfaces

PARASCHIV, Dr.; SÂRBU, I.; CIOFU, C. (Editura U.T.M., 2004)

The paper refers to the electro-chemical processing of interior surfaces. Adopting a procedure in working up machine parts with complex interior surfaces ensures both enhanced technological characteristics and a better ...

Determinarea tensiunii optime în nodurile sarcină la considerarea caracteristicilor statice ale consumatorilor

CODREANU, C. (Editura U.T.M., 2004)

În prezenta lucrare este propusă metoda de calcul a nivelului tensiunii optime pentru un nod sarcină în sistemul de alimentare cu energie electrică la considerarea caracteristicilor statice a diferitor receptoare electrice ...

The determination of the ferrite content in the welded joins structures of the austenically steels 10TiMoNiCr175 with electrodes stainless 19.12.2.Nb using the structural diagram WRC 1992

CATARSCHI, V.; DANILA, R.; MOLDOVEANU, V. (Editura U.T.M., 2004)

The paper presents the establishment methodology of ferrite content from welded joins of austenically steel 10TiMoNiCr175 with electrodes 19.12.2.Nb, using the structural diagram WRC 1992.

Influence working parameters on the productivity in flat lapping

PARASCHIV, Dr.; COHAL, V. (Editura U.T.M., 2004)

Lapping is necessary to obtain only special smoothness of the surface or to obtain extremely high dimensional precision together with special smoothness of the surface. This paper presents the influence of working parameters ...

Invenţiile şi istoria lor

DULGHERU, Valeriu (Editura U.T.M., 2004)

Isostatic processing – a new engineering domain in the field of materials science

JIMAN, V.; GEAMAN, V.; GEAMAN, L. (Editura U.T.M., 2004)

Isostatic processing is an established process used for the fabrication of advanced engineering materials; it involves the simultaneous application of heat and isostatic pressure to consolidate powder compacts, cast parts ...

Les compagnies de placement

GANGAN, A. (Editura U.T.M., 2004)

On a présenté dans ce travail les avantages d’investissement d’argent dans les action de la compagnies de placement par l’investisseur particulier. Pour comprendre l’activité des compagnies de placement, dans ce travail, ...

The mathematical model of the electrochemical grinding process

UNGUREANU, C. (Editura U.T.M., 2004)

This paper presents the experimental research results in order to obtain a mathematical model involving the correlations between the evaluation criteria for electrochemical grinding performances and the working parameters. ...

Metode noi de cercetare a mecanismului deformării suprafeţei elementelor optice hibride preparate în câmpuri potenţiale puternice

CONSTANTINOV, B. (Editura U.T.M., 2004)

Investigaţiile din lucrarea prezentă sunt orientate la elaborarea şi dezvoltarea metodelor de modelare şi cercetare a fenomenelor fizice, ce însoţesc procesul de preparare a elementelor optice hibride, pe suprafaţa unui ...

Metodele privind eliminarea hidrogenului sulfurat din apele subterane

UNGUREANU, D.; BRICEAG, O. (Editura U.T.M., 2004)

Metodele teoretice şi experimentale privind eliminarea hidrogenului sulfurat din apele subterane. Se prezintă metoda biochimică de eliminare a hidrogenului sulfurat cu ajutorul microflorei fixate într-un bioreactor.

Numerical control of the electrical step-by-step linear motors

LIVINTI, P.; STAN, G. (Editura U.T.M., 2004)

This works is presenting a positioning system in open circuit, equipped with step-by-step electric motor. The electrical step-by-step linear motor is composed of two armatures, a live one and a passive one. The electric ...

Perfecţionarea infrastructurii sociale în localitatea rurală

CAZACU, V. (Editura U.T.M., 2004)

În situaţia de criză, care a fost cuprinsă Republica Moldova cea mai afectată a fost localitatea rurală. De acea o problemă fundamentală a reformei agrare este crearea infrastructurii sociale în sectorul rural. Reducerea ...

Personalităţi de vază ale intelectualităţii tehnice din Basarabia. Ion INCULEŢ - fizician, om politic, membru titular al Academiei Române

DULGHERU, Valeriu (Editura U.T.M., 2004)

Preparation of cuprous oxide thin films by chemical deposition and rapid photothermal processing

LUPAN, O. (Editura U.T.M., 2004)

The present work report the formation of homogeneous conductive cuprous oxide thin films by chemical solution deposition technique and rapid photothermal processing. Were investigated various aspects of thin films deposition, ...

Principiile managementului sistemului de credit

GRIGORIŢĂ, C. (Editura U.T.M., 2004)

Prezenta lucrare este dedicată cercetării principiilor managementului sistemului de credit în condiţiile economiei de piaţă: procesul organizaţional, cultura organizaţională, sisteme şi procese, mediu intern şi extern al ...

Selective position sensitive photoreceivers

DOROGAN, V.; VIERU, T. (Editura U.T.M., 2004)

Photoreceivers with one- and two coordinate sensitivity on the basis of p-i-n InP-InGaAsP heterostructures are presented in the paper. As distinct from existent analogs, elaborated photoreceivers have selective sensitivity, ...

Theoretical preconditions to use the resonant phenomena at sedimentation of wearproof galvanic coverings on the periodic current with the return adjustable pulse

MOCREAC, S.; STOICEV, P.; LUPASCO, A.; PAVLOVA, L.; COSOV, V. (Editura U.T.M., 2004)

The theoretical premises about a capability of a deposition of electroplated coatings in a resonant mode of a periodic current with return adjustable by the impulse are developed. Ground of analytical investigations the ...

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