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3941
ÇELİK LİFLİ HAFİF BETONUN DENEYSEL ARAŞTIRILMASI
Published 2006-03-01“…Bu çalışmada, 400 dozajlı hafif betona Dramix RC-80/60-BN tipi çelik lifler 10, 20, 30, 40, 50 ve 60 kg/m3 dozajlarında katılmıştır. …”
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3942
ÇELİK LİFLİ HAFİF BETONUN DENEYSEL ARAŞTIRILMASI
Published 2006-03-01“…Bu çalışmada, 400 dozajlı hafif betona Dramix RC-80/60-BN tipi çelik lifler 10, 20, 30, 40, 50 ve 60 kg/m3 dozajlarında katılmıştır. …”
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3943
Tree Allergen Pollen-Related Content as Pollution Source in the City of Ourense (NW Spain)
Published 2020-10-01“…The main allergens of <i>Alnus</i>, <i>Fraxinus</i>, <i>Betula</i>, <i>Platanus</i> and <i>Olea</i>, were detected in the atmosphere. …”
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3944
Soil water content and nitrogen differentially correlate with multidimensional leaf traits of two temperate broadleaf species
Published 2023-11-01“…We found that leaf economics traits and vein traits were decoupled in shade-intolerant species, Betula platphylla, but significantly coupled in a shade-tolerant species, A. mono. …”
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3945
Effect of Multi-Walled Carbon Nanotubes on the Growth and Expression of Stress Resistance Genes in Birch
Published 2023-01-01“…At the same time, the use of 100 mg/L nanoparticles led to a decrease in the studied parameters in <i>Betula pendula</i>, which may be associated with the negative effect of MWCNTs in high concentrations. …”
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3946
Factors influencing the distribution and activity of Dermacentor reticulatus (F.) ticks in an anthropopressure-unaffected area in central-eastern Poland
Published 2016-06-01“…Less favourable conditions are offered by the fresh habitat covered by deciduous forest with dominance of Betula sp., A. pratensis , and Carex sp. sedges (15.27%), in the wet habitat dominated by Alnus glutinosa and Urtica dioica (9.00%), Betula humilis , Salix sp., and Carex sp. (8.44%), and in the subcontinental hornbeam forest Tilio-Carpinetum with poor undergrowth (2.50%). …”
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3947
Vegetation composition and shrub extent on the Yukon coast, Canada, are strongly linked to ice-wedge polygon degradation
Published 2017“…Our results indicate that shrubs, particularly Betula glandulosa and heath species, have the potential to expand most.…”
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3948
Barking loss of mechanically loaded piles
Published 1979-01-01“…The amount of bark left on bolts was small for pine bolts, namely 0.33%, but quite large for birch bolts, 2.84% of the green weight.3Pinus sylvestrisBetula…”
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3949
Первые данные о преимагинальных стадиях Barsine pulchra (Butler, 1877) (Erebidae: Arctiinae)
Published 2023-06-01“…В лабораторных условиях вид питался различными видами из родов Betula L., 1753 (Betulaceae), Rubus L., 1753 (Rosaceae), Ribes L., 1753 (Ribesiaceae) и Salix L., 1753 (Salicaceae). …”
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3950
Новые и редкие виды растений для Полярного Урала
Published 2023-11-01“…В статье приведены сведения о местонахождениях новых и редких для Полярного Урала видах и подвидах сосудистых растений: Betula concinna, общее распространение которой известно лишь приблизительно; Botrychium alaskense, известный в Западной Сибири только для Алтая; Crepis paludosa, ошибочно не указываемый для сибирской флоры; для 5 видов и 1 подвида (Alchemilla glomerulans, Astragalus gorodkovii,Botrychium boreale, B. lunaria, Castilleja arctica subsp. vorkutensis, Cystopteris fragilis) отмечены новые местонахождения, подтверждающие их нахождение или уточняющие распространение на Полярном Урале.…”
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3951
Tree Species Classification Based on Sentinel-2 Imagery and Random Forest Classifier in the Eastern Regions of the Qilian Mountains
Published 2021-12-01“…We used Sentinel-2 images to classify the study area’s major vegetation types, particularly four tree species, i.e., <i>Sabina przewalskii</i> (S.P.), <i>Picea crassifolia</i> (P.C.), <i>Betula</i> spp. (Betula), and <i>Populus</i> spp. …”
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3952
Au long de la taïga et de la toundra : incursion nordique en Laponie
Published 2022-06-01“…En limite de toundra arctique résiduelle, au-delà des derniers peuplements hyperboréens de Pinus sylvestris, c’est la brousse monospécifique de Betula tortuosa qui ferme la végétation arbustive du bout du monde. …”
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3953
Soil characteristics under selected broadleaved tree species in East Norway
Published 2010-07-01“…The material consisted of stands of silver birch (Betula pendula Roth.), white birch (Betula pubescens Ehrh.), black alder (Alnus glutinosa Gaertn.), speckled alder (Alnus incana Moench.), European ash (Fraxinus excelsior L.), pedunculate oak (Quercus robur L.) and sessile oak (Quercus petraea [Matt.] …”
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3954
Didymium arenosum, a myxomycete new to science from the confluence of deserts in northwestern China
Published 2024-01-01“…The species was discovered in the arid region at the confluence of the Badain Jaran desert and Tengger desert on the leaves of Betula platyphylla and was cultivated in a moist chamber culture. …”
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3955
Soil forming role of birch in the Ore Mts.
Published 2005-12-01“…As a part of restoration activities, preparatory species were utilized, both planted and sown, to cover forest soils, to prevent soil erosion and to regenerate forest microclimate, necessary for reintroduction of target, climax species. Birch (especially Betula pendula Roth.) was among the mostly common preparatory species. …”
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3956
The complete mitochondrial genome of the bamboo aphid Pseudoregma bambucicola and its phylogenetic position
Published 2020-01-01“…The phylogeny showed that two Chinese isolates of P. bambucicola clustered together and formed a monophyletic relationship with Hormaphis betulae in Hormaphidinae, supporting their species validity among the family Aphididae. …”
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3957
ОСОБЛИВОСТІ ДИФЕРЕНЦІАЦІЇ ДЕРЕВ ТА ФОРМУВАННЯ ВІДПАДУ У МОЛОДНЯКАХ БЕРЕЗИ ПОВИСЛОЇ
Published 2015-10-01“…Описано закономірності розподілу дерев берези повислої (Betula pendula Roth) за санітарним станом. Встановлено, що відпад дерев більшою мірою здійснюється за рахунок ослаблених і відмираючих дерев, однак значною є й частка без ознак ослаблення, яка може становити близько 30 %. …”
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3958
Флористические находки адвентивных и аборигенных видов в Новосибирской области
Published 2017-11-01“…Обнаружены новые местонахождения редко встречающихся видов: адвентивных Aster novi-belgii L., Eragrostis minor Host, Papaver dubium L., и аборигенных Betula fruticosa Pall., Hypericum ascyron L., Inula helenium L., Myosotis krylovii Serg., Spiraea salicifolia L.…”
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3959
Swimming Activity Alleviates the Symptoms of Attention: Deficit Hyperactivity Disorder (ADHD) a Case Report
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3960
Saw log recovery and stem quality of birch from thinnings in southern Finland
Published 2011-01-01“…The objective of this study was to examine the timber quality of silver birch (Betula pendula Roth) and European white birch (Betula pubescens Ehrh.) trees in the first and second thinnings in southern parts of Finland, from the viewpoint of sawing of small-diameter, short logs, in particular. …”
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