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2 188 441

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IPC

(21) (22)

Application

99106599/28, 1999-03-30

(24)

Start date

1999-03-30

(22)

Actual filing date

1999-03-30

(45)

Published

2002-08-27

(72)

Inventor

Markelov A.V.Mineeva N.Ja.Sobolev I.A.Dmitriev S.A.

(73)

Holder

Moskovskoe Gosudarstvennoe Predprijatie Ob"Edinennyj Ehkologo-Tekhnologicheskij I Nauchno-Issledovatel'Skij Tsentr Po Obezvrezhivaniju Rao I Okhrane Okruzhajushchej Sredy

PROCESS OF TAKING AND PREPARATION OF SAMPLES FOR RADIATION MONITORING OF ECOLOGICAL SYSTEMS WITH BIOLOGICAL INDICATION OF RADIOACTIVE CONTAMINATION OF AIR Russian patent published in 2002 - IPC

Abstract RU 2188441 C2

FIELD: ecology, control over radioactive contamination of environment by measurement of activity of radio nuclides in biological objects. SUBSTANCE: bog-moss functioning as sorbing surface and live absorber of radio nuclides from atmosphere is used in the capacity of biological indicator of radioactive contamination. Bog-moss is selected at selection points and its samples are prepared for exposure and as check samples for exposure on territories subject to man-induced effect. Samples of bog-moss are exposed both in most sensitive period for ecological systems and in period of maximum carrying capacity on forest territories over regular radial sampling network. Less than 2 h is spent to prepare one sample for exposure, 1.0-1.2 h is spent to prepare one sample for radiometric analysis. Samples are set in mentioned sampling network by hanging from trees or poles at height of 1.8 m from ground surface. EFFECT: increased efficiency of radiation monitoring without employment of mobile power supply units and bulky aspirator sets. 4 cl

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RU 2 188 441 C2

Authors

Markelov A.V.

Mineeva N.Ja.

Sobolev I.A.

Dmitriev S.A.

Dates

2002-08-27—Published

1999-03-30—Filed