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O. N. Tikhonov
O. N. Tikhonov

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Articles

Without section
  • Date submitted
    2005-09-12
  • Date accepted
    2005-10-01

About possibility of iron oxide pigments production for paint and varnish industry

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Currently, almost all iron oxide pigments production is located in the neighboring countries. Besides, the used technologies of pigments production are environmentally harmful. Development of ecologically safe technology for obtaining pigment grade ore is a priority and quite actual task for the paint and varnish industry of Russia.

How to cite: Lenev L.A., Kuskov V.B., Tikhonov O.N. About possibility of iron oxide pigments production for paint and varnish industry // Journal of Mining Institute. 2006. Vol. 169№ 4. p. 153-155.
Without section
  • Date submitted
    2005-09-06
  • Date accepted
    2005-10-09

Study of chromite platinum-metal massifs of Russia

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This type of deposits is the main exploration target for Pt, Ir, Os, Ru. Inferred resources of platinum group elements (PGM) from Ray-Iz are estimated at several tons. Methods of separation of rich concentrates of platinum metals by mechanical enrichment have been studied. Hydrometallurgical technology of PGM concentrates extraction from chromite ores is recommended. The expediency of PGM precipitation during processing of chromite materials at chemical plants even at low PGM content is shown. The prospectivity of chromite ores of the Polar Urals as a source of PGMs is substantiated.

How to cite: Petrov G.V., Greiver T.N., Tikhonov O.N., Belenkii A.M., Boduen A.Y. Study of chromite platinum-metal massifs of Russia // Journal of Mining Institute. 2006. Vol. 169№ 4. p. 173-177.
Without section
  • Date submitted
    2000-07-25
  • Date accepted
    2000-08-14

Optimization of slurry separation processes using LAROX OY filter presses

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The basic dependences of filtration, flow formation and drying processes given in various scientific papers are generalized. A detailed algorithm for calculating these processes has been developed, taking into account hydrodynamic and heat and mass transfer patterns of the above processes. On the basis of previously collected experimental data the possibility of application of LAROX OY filter-press for filtration of crushed ore suspension at hydrometallurgical enterprises has been substantiated. Experimental data on separation of suspensions are processed and prepared for numerical calculation.

How to cite: Beloglazov I.N., Tikhonov O.N., Golubev V.O. Optimization of slurry separation processes using LAROX OY filter presses // Journal of Mining Institute. 2001. Vol. 147. p. 164-170.
Without section
  • Date submitted
    1981-10-30
  • Date accepted
    1981-12-12

Generalized relations for obtaining mathematical expressions of the laws of electromagnetism

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The formula from which the mathematical expressions of the laws of Coulomb, Ampere, Faraday can be derived, has the form ...

How to cite: Tikhonov O.N. Generalized relations for obtaining mathematical expressions of the laws of electromagnetism // Journal of Mining Institute. 1982. Vol. 94. p. 120.
Without section
  • Date submitted
    1977-11-12
  • Date accepted
    1978-01-08

Mathematical model of control of calcination process in alumina production

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The performance of the calcination furnace is determined by a number of factors, the most important of which are the thermal regime and uniformity of feeding the furnace with feedstock. For the automation of such a furnace is of great importance the correct mathematical description of the process from the moment of loading the feedstock to obtain the finished product ...

How to cite: Terentyev V.A., Tikhonov O.N., Ryvkin V.D. Mathematical model of control of calcination process in alumina production // Journal of Mining Institute. 1978. Vol. 78. p. 114-118.
Without section
  • Date submitted
    1974-09-19
  • Date accepted
    1974-11-07

Generalization of methods of compilation of mass transfer equations in enrichment and metallurgy processes

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The equations discussed in the paper are applicable to the description of the statistical motion of particles of matter in the processes of metallurgy, mineral processing, chemical transformations, geophysics, etc...

How to cite: Tikhonov O.N. Generalization of methods of compilation of mass transfer equations in enrichment and metallurgy processes // Journal of Mining Institute. 1975. Vol. 55№ 3. p. 137-144.
Without section
  • Date submitted
    1974-07-25
  • Date accepted
    1974-09-27

Mathematical modeling of horizontal converter temperature regime

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For mathematical modeling of the dynamics of the temperature regime of a horizontal converter the starting point is the results of research of the converter heat exchange in static modes. ...

How to cite: Savva V.P., Tikhonov O.N. Mathematical modeling of horizontal converter temperature regime // Journal of Mining Institute. 1975. Vol. 68№ 1. p. 92-94.
Without section
  • Date submitted
    1967-09-28
  • Date accepted
    1967-11-08

О быстром вычислении наибольших корней многочлена

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Можно показать, что известный алгоритм Ньютона а і = аi — А, служащий для уточнения корня многочлена, является представителем род­ственной группы алгоритмов ...

How to cite: Tikhonov O.N. // Journal of Mining Institute. 1968. Vol. 48№ 3. p. 36.
Without section
  • Date submitted
    1967-09-07
  • Date accepted
    1967-11-25

Оптимальный интервал линейной интерполяции

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Не существует оптимального (в смысле среднеквадратичной погрешности) интервала Г овт интерполяции по одной, двум, трем и т. д. равностоящим на Т ординатам «чистого» сигнала х (t). Чем меньше Т, тем меньше средний квадрат погрешности. Если к сигналу добавлена помеха п (t), то для одно­точечной (ступенчатой) интерполяции Т 0ПТ также не существует ни при каких сочетаниях х (t) и п (t). Однако уже при двухточечной (линейной) интерполя­ции интервал Г опт , дающий минимум среднеквадратичной погрешности, существует, и линейная интерполяция дискретных измерений может быть точнее, чем непрерывные измерения. При этом линейная упреждающая экс­траполяция не повышает точности ...  

How to cite: Tikhonov O.N. // Journal of Mining Institute. 1968. Vol. 48№ 3. p. 47.
Without section
  • Date submitted
    1967-07-06
  • Date accepted
    1967-09-02

Автоматическая максимизация производительности самоходных подземных гидромониторов

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Задача автоматической максимизации производительности самоходных гидромониторов при разработке каменноугольных пластов гидравлическим способом еще не решена, хотя практикой уже давно установлено, что зависимость между производи­тельностью гидромонитора q и скоростью перемещения его ствола ѵ по фронту забоя имеет экстремальный характер. Как видно из рис. 1, вершина А, характеризующая оптимальный рабочий режим, под воздействием изменения горно-геологических условий дрейфует ...

How to cite: Severin L.P., Nezametdinov A.B., Tikhonov O.N. // Journal of Mining Institute. 1968. Vol. 56№ 1. p. 92.
Without section
  • Date submitted
    1967-07-29
  • Date accepted
    1967-09-06

Упрощение измерений параметров квазистационарных случайных процессов

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В горной, обогатительной и металлургической отраслях промышлен­ности измерению параметров случайных процессов уделяется все больше и больше внимания. По принципу построения аппаратуру корреляционного анализа можно разбить на три группы ...

How to cite: Tikhonov O.N., Troitskii E.A. // Journal of Mining Institute. 1968. Vol. 56№ 1. p. 95.