Results 61 to 70 of about 37,391 (234)

Spatial and temporal structure of the spider community in the clay semi-desert of western Kazakhstan [PDF]

, 2011
The spatial and temporal structure of spider communities was studied in the clay semi-desert of the north-western Caspian Lowland, western Kazakhstan (49°23' N, 46°47' E).
Piterkina, Tatyana V.
core   +2 more sources

Large‐scale hydro‐climatology of the terrestrial Arctic drainage system [PDF]

, 2002
The large‐scale hydro‐climatology of the terrestrial Arctic drainage system is examined, focusing on the period 1960 onward. Special attention is paid to the Ob, Yenisey, Lena, and Mackenzie watersheds, which provide the bulk of freshwater discharge to ...
Bromwich, David H., Clark, Martyn P., Etringer, Andrew J., Lammers, Richard B., Serreze, Mark C., Zhang, Tingjun   +5 more
core   +1 more source

Chemostratigraphy of Neoproterozoic carbonates: implications for 'blind dating' [PDF]

, 2001
The delta C-13(carb) and Sr-87/Sr-86 secular variations in Neoproteozoic seawater have been used for the purpose of 'isotope stratigraphy' but there are a number of problems that can preclude its routine use.
Aharon P., Anthony E. Fallick, Anton B. Kuznetsov, Bowring S.A., Brand U., Brasier M.D., Brasier M.D., Brasier M.D., Burns S.J., Calver C.R., Corsetti F.A., Fairchild I.J., Fairchild I.J., Gao G., Gorokhov I.M., Gorokhov I.M., Gorokhov I.M., Grotzinger J.P., Grotzinger J.P., Hoffman P.F., Igor M. Gorokhov, Kaufman A.J., Kennedy M.J., Kirschvink J.L., Knoll A.H., Knoll A.H., Knoll A.H., Kupecz J.A., Kuznetsov A.B., Kuznetsov A.B., Lambert I.B., Magaritz M., McArthur J.M., McArthur J.M., McCulloch M.T., Melezhik V.A., Morton J.P., Ovchinnikova G.V., Pelechaty S.M., Podkovyrov V.N., Pokrovsky B.G., Pokrovsky B.G., Pokrovsky B.G., Saylor B.Z., Semikhatov M.A., Singh U., Smith L.H., Tronnes R.G., Tucker M.E., Tucker M.E., Veizer J., Veizer J., Victor A. Melezhik, Wada S.-I., Walter M.R., Wang Da-Rui   +55 more
core   +1 more source

Some problems in the study of the chronology of the ancient nomadic cultures in Eurasia (9th - 3rd centuries BC) [PDF]

, 2002
This research is focused on the chronological investigations of ancient nomads belonging to the Scythian cultures which occupied the steppe and forest-steppe zones of Eurasia during the 9th-3rd centuries BC.
Alekseev, A.Y., Bokovenko, N.A., Boltrik, Y., Chugunov, K.A., Cook, G., Dergachev, V.A., Kovaliukh, N., Possnert, G., Scott, E.M., Sementsov, A., Skripkin, V., van der Plicht, J., Vasiliev, S., Zaitseva, G.   +13 more
core   +2 more sources

Risk of central nervous system tumors in the offspring of individuals exposed to production radiation

Фундаментальная и клиническая медицина
Aim. To assess the risk of malignant central nervous system (CNS) tumors among the first-generation offspring of workers from the Mayak Production Association.Materials and Methods.
S. F. Sosnina, P. V. Okatenko, E. V. Denisova, M. E. Sokolnikov   +3 more
doaj   +1 more source

Tririum in urine in residents of Ozyorsk, the Chelyabinsk region in 2016

Радиационная гигиена, 2019
Objectives. To create the model of relation between volume activity of tritium in urine of Ozyorsk residents and physical and biological factors. To define the correspondence of internal exposure doses of Ozyorsk residents obtained from tritium to ...
L. V. Finashov, V. V. Vostrotin, A. Yu. Yanov   +2 more
doaj   +1 more source

Realising the oil supply potential of the CIS: the impact of institutions and policies [PDF]

, 2006
This paper provides an overview of the political economy of oil in the CIS. It briefly situates the region’s oil sector potential in the global context, before analysing the structural features of the oil sectors by country.
Ahrend, R., Tompson, William
core   +1 more source

U-pb dating of niobium minerals from pyrochlor group (ilmeno-vishnevogorsk carbonatitis-miaskite complex, of the southern urals)

Литосфера, 2018
U-Pb dating of the pyrochlore-group minerals from the Nb-rare metal ore deposits of ilmeny-vishnevogorsky carbonatite-miaskite complex of the Ural fold region was carried out.
Irina L. Nedosekova, Viktor A. Koroteev, Boris V. Belyatsky, Viktor V. Sharygin, Еlena N. Lepechinа, Sergei V. Pribavkin   +5 more
doaj   +1 more source

Missing Summer Westerly Jet Barotropic Governor Effect Explains Climate Models—Observation Discrepancies in the Indian Monsoon Trends

AGU Advances, Volume 7, Issue 3, June 2026.
Abstract The South Asian summer monsoon has exhibited a pronounced Northwest India‐Indo‐Gangetic Plains rainfall dipole since 1999, with northwest India experiencing a 24.6% increase, while rainfall in the Indo‐Gangetic Plain has decreased by 4.4%.
Nimmakanti Mahendra, Nagaraju Chilukoti, Xiaoqing Liu, Jasti S. Chowdary, Lei Wang, Matthew Huber   +5 more
wiley   +1 more source

DEVELOPMENT AND VALIDATION OF SPECTROPHOTOMETRIC TECHNIQUES OF DETERMINATION OF AMINOCAPROIC ACID IN A MULTI-COMPONENT HEMOSTATIC AGENT

Разработка и регистрация лекарственных средств, 2019
The article describes a method for quantitative determination of aminocaproic acid in a multi-component hemostatic medical agent having the local effect. The analysis uses the method of direct spectrophotometry with the wavelength of 568 nm. Based on the
Yu. N. Barsukova, O. A. Melnikova, M. Yu. Melnikov   +2 more
doaj