Results 21 to 30 of about 135,177 (268)

Photosynthetic apparatus of Siberian pine needles during the period of emerging from the state of winter dormancy in the conditions of the high-altitude zone of the Western Sayan [PDF]

open access: yesСибирский лесной журнал
Due to climate change, many species of coniferous trees, which are the main forest formers of the forests of Western and Eastern Siberia, have shifts in both latitudinal and altitudinal boundaries of the range.
N. V. Pakharkova   +4 more
doaj   +1 more source

Influence of microwaves on the rate of the distillation and yield of etheric oil from the wooded greenery of conifers [PDF]

open access: yesHemijska Industrija, 2005
It is known that many plants represent valuable raw materials for technological processing and that there has been an increase in the use of medicinal, aromatic and spice plants as raw materials in industry.
Marjanović-Balaban Željka   +1 more
doaj   +1 more source

Morphometric characteristics and the content of plastid pigments of the needles of Picea pungens depending on the distance from the highways

open access: yesBiosystems Diversity, 2017
This article examines the condition of the Picea pungens Engelm. plants at various distances from urban highways with high traffic intensity. The objects of the study were the trees P. pungens, whose age was about 35 years. The plants grow on four plots.
V. P. Bessonova, O. A. Ponomaryova
doaj   +1 more source

Differences in Needle Characteristics Between Leader and Return-stroke Stages of Positive Cloud-to-ground Lightning

open access: yes应用气象学报
Needle discharges, characterized by fine-scale filamentary plasma structures within lightning channels, represent a key manifestation of localized electric field intensification and intricate channel dynamics. Although previous case studies have reported
Wu Bin   +6 more
doaj   +1 more source

COMPARISON OF POSITIVE ASPIRATION DURING INFERIOR ALVEOLAR NERVE BLOCK USING CONVENTIONAL METALLIC DENTAL SYRINGE VS. DISPOSABLE PLASTIC SYRINGE

open access: yesPakistan Armed Forces Medical Journal, 2020
Objective: To compare the frequency of positive aspiration during inferior alveolar nerve blocks using conventional metallic dental syringe and disposable 3cc plastic syringe and to observe the efficacy of aspiration of both syringe systems.
Bushra Mazhar   +5 more
doaj  

Concepts for augmented reality visualisation to support needle guidance inside the MRI

open access: yesHealthcare Technology Letters, 2018
During MRI-guided interventions, navigation support is often separated from the operating field on displays, which impedes the interpretation of positions and orientations of instruments inside the patient's body as well as hand–eye coordination.
André Mewes   +5 more
doaj   +1 more source

Composition of Essential Oils in Needles and Barks of Turkish Red Pine (Pinus brutia Ten.) Infested by Marchalina hellenica Genn.

open access: yesDrvna Industrija, 2022
The scale insect Marchalina hellenica Genn. plays a key role in pine honey production and is hosted mainly by Turkish red pine (Pinus brutia Ten.). The needles of Turkish red pine are rich in essential oils.
Mustafa Burak Arslan   +4 more
doaj   +1 more source

Effect of root canal geometry and needle type on apical extrusion of irrigant: an ex vivo study

open access: yesActa Odontologica Turcica, 2022
Objective: The aim was to evaluate the effect of root canal geometry on the amount of apical extrusion of irrigant, by testing different tapers and needle types.
Büşra Serçe Fikirli   +2 more
doaj   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Knowledge, Attitude, and Practice towards needle-stick injury and prevention of hepatitis B infection among Healthcare Workers in a Tertiary Care Hospital in South Kashmir, India. [PDF]

open access: yesJournal of Medical and Life Science
Background: Needle-stick injury poses a risk of transmitting pathogens such as hepatitis B, hepatitis C, and HIV, with healthcare workers being particularly vulnerable.
Abiroo Jan, Shazia Benazir
doaj   +1 more source

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