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14 Results Found

  • Article
  • Open Access
1,076 Views
30 Pages

4 June 2025

In this study, we performed microtextural, major/minor element, and Sr-isotope analyses on hornblende and plagioclase (as phenocrysts, groundmass, or inclusions) from the Early Cretaceous Jiagou pluton (eastern North China Craton), to elucidate the m...

  • Article
  • Open Access
1 Citations
1,219 Views
20 Pages

16 May 2024

During co-action between contact elements in reciprocating motion, different working conditions exist in outer and inner zones of stationary elements. Because the tribological effects of surface texturing depend on the operating conditions, various d...

  • Article
  • Open Access
20 Citations
6,010 Views
30 Pages

Au and Te Minerals in Seafloor Massive Sulphides from Semyenov-2 Hydrothermal Field, Mid-Atlantic Ridge

  • Anna Firstova,
  • Tamara Stepanova,
  • Anna Sukhanova,
  • Georgy Cherkashov and
  • Irina Poroshina

15 May 2019

The Semyenov-2 hydrothermal field located at 13°31′N of the Mid-Atlantic Ridge (MAR) is associated with an oceanic core complex (OCC) and hosted by peridotites and basalts with minor amounts of gabbro and plagiogranites. Seafloor massive su...

  • Article
  • Open Access
10 Citations
3,021 Views
25 Pages

Fractal-Based Pattern Quantification of Mineral Grains: A Case Study of Yichun Rare-Metal Granite

  • Yue Liu,
  • Tao Sun,
  • Kaixing Wu,
  • Hongwei Zhang,
  • Jingwei Zhang,
  • Xinwen Jiang,
  • Quanwei Lin and
  • Mei Feng

The quantification of the irregular morphology and distribution pattern of mineral grains is an essential but challenging task in ore-related mineralogical research, allowing for tracing the footprints of pattern-forming geological processes that are...

  • Article
  • Open Access
3 Citations
2,290 Views
21 Pages

7 May 2024

Comprehensive vegetation surveys are crucial for species selection and layout during the restoration of degraded island ecosystems. However, due to the poor accessibility of uninhabited islands, traditional quadrat surveys are time-consuming and labo...

  • Article
  • Open Access
3 Citations
2,349 Views
36 Pages

13 January 2025

Assessing vines’ vigour is essential for vineyard management and automatization of viticulture machines, including shaking adjustments of berry harvesters during grape harvest or leaf pruning applications. To address these problems, based on a...

  • Article
  • Open Access
1 Citations
1,029 Views
19 Pages

Palygorskite as an Extender Agent in Light Cement Pastes for Oil Wells: Performance Analysis

  • Rafael A. Ventura,
  • José V. A. Carvalho,
  • Raphael R. da Silva,
  • Francisco G. H. S. Pinto,
  • Júlio C. O. Freitas and
  • Sibele B. C. Pergher

11 June 2025

Cementing operations are among the most critical steps in oil-well construction. When performed improperly, the integrity and useful life of the well can be significantly compromised. Light cement pastes are used to cement formations with a low fract...

  • Article
  • Open Access
3 Citations
1,991 Views
17 Pages

Zoning Prediction and Mapping of Three-Dimensional Forest Soil Organic Carbon: A Case Study of Subtropical Forests in Southern China

  • Yingying Li,
  • Zhongrui Zhang,
  • Zhengyong Zhao,
  • Dongxiao Sun,
  • Hangyong Zhu,
  • Geng Zhang,
  • Xianliang Zhu and
  • Xiaogang Ding

9 June 2023

Accurate soil organic carbon (SOC) maps are helpful for guiding forestry production and management. Different ecological landscape areas within a large region may have different soil–landscape relationships, so models specifically for these are...

  • Article
  • Open Access
4 Citations
2,983 Views
20 Pages

11 February 2022

“Laoshan Jade” is located in the Yangkou area of the Sulu UHP metamorphic belt. This is the first time a systematic research study is performed on its conventional gemological characteristics, mineral compositions, geochemical characteris...

  • Article
  • Open Access
7 Citations
2,356 Views
23 Pages

10 October 2021

During ecological restoration, it is necessary to comprehensively consider the state of vegetation in climate–soil–vegetation systems. The theory of ecohydrological optimality assumes that this state tends to reach long-term dynamic equilibrium betwe...

  • Article
  • Open Access
6 Citations
1,266 Views
20 Pages

25 December 2024

Exploring the characteristics and driving factors of carbon storage change in different terrain gradient variations can provide important insights for formulating the agricultural ecological protection policy for regional development. Previous studie...

  • Article
  • Open Access
7 Citations
2,818 Views
23 Pages

Cropland Zoning Based on District and County Scales in the Black Soil Region of Northeastern China

  • Yong Li,
  • Liping Wang,
  • Yunfei Yu,
  • Deqiang Zang,
  • Xilong Dai and
  • Shufeng Zheng

16 April 2024

The black soil region of northeastern China, one of the world’s major black soil belts, is China’s main grain-producing area, producing a quarter of China’s commercial grain. However, over-exploitation and unsustainable management p...

  • Proceeding Paper
  • Open Access
4 Citations
2,481 Views
9 Pages

This paper presents an overview of the favorable risk factors in agriculture in terms of encumbering this area of inevitable climate change. The development of a sustainable agriculture is combined in the paper by pointing out the needs on which agri...

  • Article
  • Open Access
1 Citations
1,578 Views
19 Pages

The Genesis of Ultramafic Rock Mass on the Northern Slope of Lüliang Mountain in North Qaidam, China

  • Haiming Guo,
  • Yanguang Li,
  • Bo Chen,
  • Huishan Zhang,
  • Xiaoyong Yang,
  • Li He,
  • Yongjiu Ma,
  • Yunping Li,
  • Jincheng Luo and
  • Haichao Zhao

27 August 2024

The ultramafic rock located on the northern slope of Lüliang Mountain in the northwestern region of North Qaidam Orogen is altered to serpentinite. The occurrence of disseminated chromite within the serpentinite holds significant implications fo...