Results 21 to 30 of about 461,376 (298)

Needle placement errors: do we need steerable needles in interventional radiology?

Medical devices, 2018
Purpose Accurate and precise needle placement is of utmost importance in interventional radiology. However, targeting can be challenging due to, eg, tissue motion and deformation.
T. D. de Jong, N. J. van de Berg, Lisette Tas, A. Moelker, J. Dankelman, J. J. van den Dobbelsteen   +5 more
semanticscholar   +1 more source

Differentation of Scots pine (Pinus sylvestris L.) seed orchard in Gidyle on basin of morphological needles trains

Acta Biologica, 2016
The subject of this study was to analyse the variation of Scots pine (Pinus sylvestris L.) seed orchard with regard to a complex of 9 morpho-anatomical traits of needles. The following measurements were carried out: needle length, number of resin canals,
Renata Słonimska-Walkowiak, Maria Krzakowa   +1 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.

Drvna 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, Selçuk Küçükaydin, Meltem Taş-Küçükaydin, Mehmet Emin Duru, Halil Turgut Şahin   +4 more
doaj   +1 more source

Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid Żywiecki Mts. from the aspect of their nutrition status

Journal of Forest Science, 2008
The aim of the present research was to determine the stability of spruce stands in the areas of threat to forest stability in the Beskid Śląski and Beskid Żywiecki Mts. in the light of their nutrition. In 2002 samples of soil and of one- and two-year-old
J. Barszcz, S. Małek
doaj   +1 more source

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

Acta 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, Bülent Altunkaynak, Güven Kayaoğlu   +2 more
doaj   +1 more source

Using hypodermic needle as suture needle in emergency

Journal of Cutaneous and Aesthetic Surgery, 2020
Sometimes, suture thread detaches from needle while suturing. This leads to wastage of left over thread and we have to repeat whole process of suturing as the extra suture needles are not easily available. The present article highlights the use of hypodermic needle as suture needle in such emergencies.
Gupta, Sanjeev, Jangra, Ravi S, Gupta, Saurabh S, Gupta, Sunita   +3 more
openaire   +2 more sources

The application of microwaves in essential oil hydrodistillation processes [PDF]

Chemical Industry and Chemical Engineering Quarterly, 2009
The influence of microwaves pre-treatment of raw plant materials (wooded greenery and fruits of conifers-fir, spruce, pine, juniper and Douglas fir) on the kinetics of the essential oil hydrodistillation using the Unger-type apparatus was studied.
P. Miletić, R. Grujić, Ž. Marjanović-Balaban   +2 more
doaj  

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]

Сибирский 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, I. V. Masentsova, I. G. Gette, E. E. Pozdnyakova, A. A. Kalabina   +4 more
doaj   +1 more source

High-dose-rate brachytherapy (interventional radiotherapy) in lip carcinoma with rigid needles: a simple technique with excellent results

Journal of Contemporary Brachytherapy, 2022
Lip carcinoma has been treated for years with low-dose-rate (LDR) brachytherapy, achieving local control greater than 90%. Comparison between LDR and high-dose-rate (HDR) showed that they are equivalently efficient in local control, but HDR results in ...
Jose Luis Guinot, Maria Tortajada, Miguels Santos, Maria Chust, Leoncio Arribas   +4 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

Biosystems 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