Results 111 to 120 of about 44,949 (260)

The Influence of Process Parameters on the Density Profile and Hardness of Surface-densified Birch Wood (Betula pendula Roth)

, 2017
This study examined the influence of temperature and time of treatment on the density profile and hardness of surface-densified birch wood (Betula pendula Roth).
A. Laskowska
semanticscholar   +1 more source

ВЛИЯНИЕ ОБЕСПЕЧЕННОСТИ БОРОМ НА РОСТ BETULA PENDULA ROTH VAR. CARELICA (MERCKLIN) HäMET-AHTI, BETULA PENDULA ROTH И BETULA PUBESCENS EHRH.

Известия высших учебных заведений. Лесной журнал, 2011
Изучено влияние внесения в почву борной кислоты на рост карельской березы (Betula pendula Roth var. carelica (Mercklin) Hämet-Ahti), березы повислой (Betula pendula Roth) и пушистой (Betula pubescens Ehrh.) второго года жизни и накопление бора в их органах. Выявлены особенности использования бора карельской березой, березой повислой и пушистой.
openaire   +2 more sources

REE, Uranium (U) and Thorium (Th) contents in Betula pendula leaf growing around Komsomolsk gold concentration plant tailing (Kemerovo region, Western Siberia, Russia) [PDF]

, 2016
The article deals with the research findings of peculiarities of REE, Uranium and Thorium distribution in the territory surrounding the tailing of former Komsomolsk gold concentration plant according to the data from Betula pendula leaf testing.
Karpenko, Yu. A., Yusupov, Dmitry Valerievich   +1 more
core   +1 more source

Assessment of anthropogenic load by the level of fluctuating asymmetry of Betula pendula leaves (using the example of the Don State Technical University training and experimental site)

Siberian Journal of Life Sciences and Agriculture
Background. This study aimed to assess the level of anthropogenic stress on the territory of the Don State Technical University training and experimental site (Rassvet, Rostov Oblast) using the fluctuating asymmetry method of Betula pendula Roth.
Denis A. Kozyrev, Elizaveta A. Moon, Polina A. Dubnitskaya, Victoria S. Ligacheva, Mary Yu. Odabashyan, Arina A. Eroshenko, Olga V. Gordiets   +6 more
doaj   +1 more source

بهینه‌سازی تیمارهای سترون‌سازی جهت کشت درون شیشه‌ای دو گونه مختلف درخت توس (‏Betula sp‏)‏ [PDF]

Pizhūhish/hā-yi tulīd-i giyāhī, 2013
توس (‏Betula sp‏) از گونه¬های رو به انقراض ایران بوده و زادآوری طبیعی آن در جنگل¬های شمال کشور بسیار اندک می¬باشد. ‏مشکلات مربوط به زادآوری و جوانه زنی طبیعی بذر آن و آلودگی¬های همراه بذور اهمیت استفاده ‏از کشت¬های درون شیشه را در جهت حفظ، بقا و اصلاح آن¬
جمیله نظری, وحیده پیام نور, مهدی علیزاده, کمال قاسمی بزدی   +3 more
doaj  

Representativeness of point-wise phenological Betula data collected in different parts of Europe [PDF]

, 2008
Peer ...
Ahas, Rein, Genikhovich, Eugene, Jatczak, Katarzyna, Jato, Victoria, Kubin, Eero, Linkosalo, Tapio, Minin, Alexander, Nekovar, Jiri, Ranta, Hanna, Severova, Elena, Shalaboda, Valentina, Siljamo, Pilvi, Sofiev, Mikhail   +12 more
core   +1 more source

Quantification of Overnight Movement of Birch (Betula pendula) Branches and Foliage with Short Interval Terrestrial Laser Scanning

Frontiers in Plant Science, 2016
The goal of the study was to determine circadian movements of silver birch (Petula Bendula) branches and foliage detected with terrestrial laser scanning (TLS).
E. Puttonen, C. Briese, G. Mandlburger, M. Wieser, M. Pfennigbauer, A. Zlinszky, N. Pfeifer   +6 more
semanticscholar   +1 more source

The leafhopper fauna in birch (Betula pendula Roth) stands

Journal of Forest Science, 2002
In birch (Betula pendula Roth) stands of the Děčín sandstone uplands (northern Bohemia) 55 species of leafhoppers were captured using photoeclectors, ground traps and shaking down onto sheets (23,855 specimens of larvae and imagoes).
E. Kula
doaj   +1 more source

Metsänjalostuskokeista vuoteen 1996 mennessä tehdyt julkaisut. [PDF]

, 1997
bibliografi
Haapanen, Matti, Karvinen, Kaarlo, Koski, Raija, Pajamäki, Jaakko, Siro, Marjatta   +4 more
core  

Dependence of Guaiacol Peroxidase Activity and Lipid Peroxidation Rate in Drooping Birch (Betula pendula Roth) and Tillet (Tilia cordata Mill) Leaf on Motor Traffic Pollution Intensity

Dose-Response, 2015
Hormesis and paradoxical effects are frequently found for different plant parameters. These phenomena were also observed for lipid peroxidation (LP) rate at environmental pollution.
E. Erofeeva
semanticscholar   +1 more source