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15 Results Found

  • Article
  • Open Access
1 Citations
1,586 Views
12 Pages

Needle Biomass Turnover Rate in Scots Pine Stands of Different Ages

  • Mieczysław Turski,
  • Ignacy Korczyński,
  • Adrian Łukowski and
  • Andrzej Węgiel

18 August 2024

Understanding needle biomass turnover rates in Scots pine (Pinus sylvestris L.) stands is crucial for modelling forest ecosystem dynamics and nutrient cycling. This study examined needle litterfall and biomass turnover in Scots pine stands of varying...

  • Article
  • Open Access
6 Citations
2,959 Views
19 Pages

Coexistent Heteroblastic Needles of Adult Pinus canariensis C.Sm. ex DC. in Buch Trees Differ Structurally and Physiologically

  • Beatriz Fernández-Marín,
  • Marcos Adrián Ruiz-Medina,
  • José Carlos Miranda and
  • Águeda María González-Rodríguez

15 March 2021

Great variation in shape and size between primary (juvenile) and secondary (adult) needles, so-called leaf-heteroblasty, occurs in several Pinus species. Most of them loss primary needles during the juvenile-to-adult transition of the tree. An except...

  • Article
  • Open Access
9 Citations
3,799 Views
11 Pages

Low-Sulphur Vacuum Gasoil of Western Siberia Oil: The Impact of Its Structural and Chemical Features on the Properties of the Produced Needle Coke

  • Mikhail Y. Dolomatov,
  • Daniyar Z. Burangulov,
  • Milana M. Dolomatova,
  • Danil F. Osipenko,
  • Viktor P. Zaporin,
  • Alina A. Tukhbatullina,
  • Arslan F. Akhmetov and
  • Denis S. Sabirov

17 March 2022

The specific branches of industry utilize needle coke, a carbon form with a highly anisotropic structure. Searching for novel raw materials for its production is now rigorously studied. In the present work, we use low-sulfur gasoil for this purpose,...

  • Article
  • Open Access
4 Citations
1,197 Views
18 Pages

Influence of Cooling Rate on the Flexural and Impact Properties of Compression Molded Non-Woven Flax/PLA Biocomposites

  • Anurag Pisupati,
  • Marco Curto,
  • Thomas Laurent,
  • Benoit Cosson,
  • Chung Hae Park and
  • Hom Nath Dhakal

13 February 2025

This work investigates the influence of crystallinity on the mechanical properties of needle-punched non-woven flax/polylactic acid (PLA) biocomposites with different flax fiber contents. Biocomposites were fabricated by a compression molding adoptin...

  • Article
  • Open Access
1,997 Views
15 Pages

Unified Interpretations of Two Kinds of Needle-Shaped Precipitates Using Transmission Electron Microscopy and Small-Angle Neutron Scattering in Aged Al–Mg2Si(-Cu) Alloys

  • Amalina Aina Kaharudin,
  • Masato Ohnuma,
  • Seungwon Lee,
  • Taiki Tsuchiya,
  • Yuuki Asada,
  • Ken-ichi Ikeda,
  • Kazuki Ohishi,
  • Jun-ichi Suzuki,
  • Kenji Matsuda and
  • Tomoyuki Homma

12 January 2024

This study investigates the nanostructural properties of pseudo-binary Al–1.0Mg2Si (mass%) alloys with and without 0.5Cu using transmission electron microscopy (TEM) and small-angle neutron scattering (SANS). The TEM results show that both allo...

  • Article
  • Open Access
7 Citations
2,827 Views
12 Pages

The Effect of Doping High Volume Magnesium Sulfate on Properties of Magnesium Oxychloride Cement

  • Qing Huang,
  • Weixin Zheng,
  • Ying Li,
  • Chenggong Chang,
  • Jing Wen,
  • Jinmei Dong and
  • Xueying Xiao

17 June 2022

The composite gelling system of chlorine and magnesium thioxide was prepared by mixing different mass fractions of magnesium sulfate solution into MOC. Detailed studies regarding the influences of magnesium sulfate replacing magnesium chloride on the...

  • Case Report
  • Open Access
1 Citations
2,610 Views
13 Pages

Phyllodes Tumor of the Breast: A Case Report Regarding the Importance of Fast Interdisciplinary Management

  • Horia-Dan Lișcu,
  • Andreea-Iuliana Ionescu,
  • Iman Mologani and
  • Nicolae Verga

2 February 2025

Background and clinical significance: Phyllodes tumors (PTs) are rare stromal neoplasms originating in the connective tissue of the breast, distinct from carcinomas that arise from the ducts or lobules. These tumors exhibit a broad spectrum of morpho...

  • Article
  • Open Access
13 Citations
5,081 Views
13 Pages

Characterization of Vasorelaxant Principles from the Needles of Pinus morrisonicola Hayata

  • Guan-Heng Chen,
  • Yue-Chiun Li,
  • Nan-Hei Lin,
  • Ping-Chung Kuo and
  • Jason T. C. Tzen

31 December 2017

Pinus morrisonicola Hayata, usually called Taiwan five-leaf pine (5LP), is an endemic species in Taiwan and is traditionally used to relieve hypertension symptoms and improve cardiovascular function. In this study, the needle extract of 5LP was fract...

  • Article
  • Open Access
13 Citations
4,204 Views
12 Pages

13 October 2017

Superhydrophobic surface, as a promising micro/nano material, has tremendous applications in biological and artificial investigations. The electrohydrodynamics (EHD) technique is a versatile and effective method for fabricating micro- to nanoscale fi...

  • Article
  • Open Access
17 Citations
3,080 Views
13 Pages

Isolation of Volatile Compounds with Repellent Properties against Aedes albopictus (Diptera: Culicidae) Using CPC Technology

  • Anastasia Liakakou,
  • Apostolis Angelis,
  • Dimitrios P. Papachristos,
  • Nikolas Fokialakis,
  • Antonios Michaelakis and
  • Leandros A. Skaltsounis

The present work describes the use of Centrifugal Partition Chromatography (CPC) for the bio-guided isolation of repellent active volatile compounds from essential oils. Five essential oils (EOs) obtained from three Pinus and two Juniperus species we...

  • Article
  • Open Access
295 Views
25 Pages

10 November 2025

The long-term corrosion protection of copper surfaces modified with self-assembled hydrophobic layers (SAHLs) based on stearic acid (SA) and two fat-soluble vitamins, vitamin K3 (menadione) and vitamin E (E307), was investigated in simulated acidic u...

  • Article
  • Open Access
6 Citations
4,435 Views
14 Pages

Retaining Geochemical Signatures during Aragonite-Calcite Transformation at Hydrothermal Conditions

  • Anh Nguyen,
  • Rinat Gabitov,
  • Angel Jimenez,
  • Andrew Dygert,
  • Jac Varco,
  • Alberto Pérez-Huerta,
  • Artas Migdisov,
  • Varun Paul,
  • Brenda Kirkland and
  • Padmanava Dash

28 September 2021

Transformation of aragonite, a mineral phase metastable at Earth’s surface, to calcite widely occurs in both sedimentary and metamorphic systems with the presence of an aqueous phase. The transformation process can affect geochemical signatures of ar...

  • Article
  • Open Access
80 Citations
13,934 Views
20 Pages

Vegetation Indices for Mapping Canopy Foliar Nitrogen in a Mixed Temperate Forest

  • Zhihui Wang,
  • Tiejun Wang,
  • Roshanak Darvishzadeh,
  • Andrew K. Skidmore,
  • Simon Jones,
  • Lola Suarez,
  • William Woodgate,
  • Uta Heiden,
  • Marco Heurich and
  • John Hearne

10 June 2016

Hyperspectral remote sensing serves as an effective tool for estimating foliar nitrogen using a variety of techniques. Vegetation indices (VIs) are a simple means of retrieving foliar nitrogen. Despite their popularity, few studies have been conducte...

  • Article
  • Open Access
1,883 Views
19 Pages

Evaluation of Cancellous Bone Density from C3 to L5 in 11 Body Donors: CT Versus Micro-CT Measurements

  • Guido Schröder,
  • Estelle Akl,
  • Justus Hillebrand,
  • Andreas Götz,
  • Thomas Mittlmeier,
  • Steffi S. I. Falk,
  • Laura Hiepe,
  • Julian Ramin Andresen,
  • Reimer Andresen and
  • Dirk Flachsmeyer-Blank
  • + 2 authors

7 February 2025

Introduction: Comparative studies on Hounsfield units (HU) and bone volume fraction (BVF%) for the demonstration of cancellous bone density in the entire spine and in the various intravertebral regions are rare. The aim of the present study was to de...

  • Article
  • Open Access
28 Citations
5,421 Views
23 Pages

3 June 2019

Scheelite (CaWO4) and powellite (CaMoO4) are isostructural minerals considered as a non-ideal solid solution series. Micron- to nanoscale investigation of a specimen of skarnoid from Zhibula, Gangdese Belt, Tibet, China, was carried out to assess the...