Search Results - "Lazarev, A L"

Sound pressure in cylindrical shells with regular orthogonal system of stiffeners excited by a random fields of forces by Efimtsov, B.M., Lazarev, L.A.

“…To identify deterministic and random vibrations of a closed cylindrical shell with a regular orthogonal system of stiffeners (stringers and frames) the…”
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Framework Opmitization of a Reinforced Shell Under the Action of the Propeller’s Acoustic Field by Lazarev, L. A., Titarev, V. A., Golubev, A. Yu

“…The article considers the problem of optimizing (from the viewpoint of soundproofing capacity) the framework of a reinforced shell under the action of the…”
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Forced vibrations of plates and cylindrical shells with regular orthogonal system of stiffeners by Efimtsov, B.M., Lazarev, L.A.

“…A wide range of engineering structures, such as aircraft fuselages or ship hulls have as the foundation a shell orthogonally strengthened by two sets of…”
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A complex of analytical models for predicting noise in an aircraft cabin by Efimtsov, B. M., Lazarev, L. A.

“…A series of analytical calculated models for predicting the noise in an aircraft cabin is developed: an orthotropic model, a model with discrete frames, a…”
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The possibility of reducing the noise produced in an airplane cabin by the turbulent boundary layer by varying the fuselage stiffening set with its mass being invariant by Efimtsov, B. M., Lazarev, L. A.

“…The suppression of noise produced in an airplane cabin by the turbulent boundary layer is most important in the medium frequency range. Noise calculations…”
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Panels with low-Q-factor resonators with theoretically infinite sound-proofing ability at a single frequency by Lazarev, L. A.

“…An infinite panel with two types of resonators regularly installed on it is theoretically considered. Each resonator is an air-filled cavity hermetically…”
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Analysis of the sound transmission loss of panels with resonant systems on the basis of equivalent representations by Efimtsov, B. M., Lazarev, L. A.

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Evaluation of the effect of stopping selected frames on noise in the cabin of a propeller airplane by Efimtsov, B. M., Lazarev, L. A.

“…A unified approach is proposed to solve vibration problems for stiffened plates, shells, and other arbitrary stiffened structures. The approach is applicable…”
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Calculation of bulkhead vibrations in a supported shell simulating a plane fuselage by Efimtsov, B. M., Lazarev, L. A.

“…Noise from external sources penetrates a plane cabin through the board construction in several ways. They include direct penetration through loose-fiber layers…”
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Immunomodulating, antioxidant and hepatoprotective effects of immobilized dosage forms of rifampicin and cephalexin by Prokopenko, L G, Lazarev, A L, Siplivyĭ, G V, Kukureka, A V, Siplivaia, L E

“…The aim of the study was to lower the immunosuppressory, prooxidant and hepatotoxic effects of rifampicin and cephalexin by their immobilization in erythrocyte…”
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The results of the simulation process management by E.B. Mazurin, I.I. Lapushkin, A.L. Lazarev

“…The aim of the article. The goal of the article is to discuss the model of the management of main production processes (in particular case of projects in the…”
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Forced vibrations of plates and cylindrical shells with regular orthogonal system of stiffeners by EFIMTSOV, B. M, LAZAREV, L. A

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Acoustic field in a closed layered shell with resonant systems by Efimtsov, B. M., Lazarev, L. A.

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Sound Transmission Loss of Panels with Resonant Elements by Efimtsov, B. M., Lazarev, L. A.

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The efficacy of combined immunomodulatory therapy with timoptin and sodium nucleinate in patients with chronic obstructive bronchitis by Zemskov, A M, Zemskov, V M, Nikitin, A V, Zazhireĭ, V D, Evstratova, E F

“…Study of the immunologic reactivity of 104 patients with chronic obstructive bronchitis revealed the deficiency of cellular immunity for the most part. The use…”
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Diagnosis of asymptomatic acute pneumonia and prognosis of its protracted course (according to data of the method of thin-layer gel filtration of blood protein) by Provotorov, V M, Lazarev, L A, Dolzhikova, T P

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Analysis of blood serum proteins in asymptomatic acute pneumonia by the method of thin-layer gel filtration by Provotorov, V M, Lazarev, L A, Dolzhikov, T P

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