Results 41 to 50 of about 5,594,457 (155)

River Sand and Gravel Mining: Global Drivers, Impacts, and Pathways for Sustainable Management

Reviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract River sand and gravel are mined worldwide at volumes that now rival their natural replenishment, yet quantitative knowledge of this mining activity and its consequences lags far behind many other global environmental pressures. We synthesize 411 peer‐reviewed studies published since 1974 within a new Driver‐to‐Management Pathway for ...
Edward Park, Christopher R. Hackney, Dung Duc Tran, Mette Bendixen, Jim Best, Kai Wan Yuen, Hannah Runeckles, Md Sadiul Alam Chyon, Karl Kästner, Sonu Kumar, Halinishi Yusuf, Vanessa Lamb, Lars L. Iversen, Aelis Spiller, Rajiv Sinha, Eduardo Francisco da Silva, Enner Alcantara, Chengcheng Wu, Chengpeng Lu, Chu Jian, Jingyu Wang, Nguyen Duc Thien, Lian Feng, Priyank Pravin Patel, Jiachun Huang, Adam D. Switzer   +25 more
wiley   +1 more source

Research on China's natural gas market based on Social Network Analysis

You-qi chuyun, 2020
The centrality and importance of each province and each gas source varies greatly in the national natural gas market. In order to demonstrate the connection between the natural gas markets in various provinces, as well as the importance and centrality of
Zhenyu GAO
doaj   +1 more source

Qatar and Iran: Market Access Under Geopolitical Conflict

Middle East Policy, Volume 33, Issue 3, Autumn (Fall) 2026.
Abstract The Iran War and the closure of the Strait of Hormuz have exposed the fragility of globally interconnected gas systems. States’ natural‐gas export performance is often explained by resource endowments and national strategies, but this overlooks the conditions affecting how energy reaches markets.
Ahmet Hakan Özkan
wiley   +1 more source

Girth welding technology used in Heihe-Changling Section of China-Russia Eastern Gas Pipeline

You-qi chuyun, 2020
This paper describes the girth welding technology for the north section (Heihe-Changling Section) of China-Russia Eastern Gas Pipeline concerning its characteristics of high steel grade, large diameter, high pressure, large throughput and low temperature.
Yongli SUI, Pengyu WANG
doaj   +1 more source

Progress and prospects of research and application of X80 pipeline steel and steel pipe in China

You-qi chuyun, 2020
With the rapid development of oil and gas pipeline construction, X80 pipeline steel and steel pipe have been applied on large scale. The research and application history and main progress of X80 high-grade pipeline steel and steel pipe in China were ...
Yaorong FENG, Lingkang JI, Weiwei LI, Yinglai LIU, Chunyong HUO   +4 more
doaj   +1 more source

Genetics of Flooding Tolerance in an F2 Miscanthus sacchariflorus ssp. lutarioriparius × M. sinensis Population

GCB Bioenergy, Volume 18, Issue 8, August 2026.
An experiment to map flooding tolerance in Miscanthus ×giganteus was conducted. Two phenotyping protocols (A and B) and different pipelines to call SNPs were used. TASSEL‐GBSv2 resulted in a genetic map with smaller QTL intervals than the other maps.
D. Zerpa‐Catanho, L. Xiao, N. LaBonte, Y. Yoshinaga, M. Blow, K. Barry, X. Kuang, E. Cebert, T. Mitros, D. Rokhsar, K. Swaminathan, E. J. Sacks   +11 more
wiley   +1 more source

Determination of low temperature toughness index of X80 unequaldiameter tee in stations of China-Russia Eastern Gas Pipeline

You-qi chuyun, 2020
To address the fracture control problem of X80 unequal-diameter tee used in China-Russia Eastern Gas Pipeline under low temperature environment (－45 ℃), the finite element model for X80 unequal-diameter tee with defects was built taking into ...
Zeguang YOU, Wenwei ZHANG, Cheng WANG, Weiqing FU   +3 more
doaj   +1 more source

Engineering Polymeric Membranes for CO₂ Separation: Materials, Fabrication, Challenges, and Future Perspectives

Carbon Neutralization, Volume 5, Issue 4, July 2026.
Overview of polymeric and mixed‐matrix membranes for CO₂ separation, highlighting key materials, fabrication techniques, performance challenges, and innovations supporting industrial decarbonization and sustainable development. ABSTRACT Carbon dioxide (CO₂) emissions from anthropogenic sources are major contributors to global warming and climate change,
Muhammad Mansha, Noreen Abass, Faizah Altaf, Shehzada Muhammad Sajid Jillani, Safyan Akram Khan, Shahid Ali   +5 more
wiley   +1 more source

Recheck on reliability of Heihe-Changling Section of China-Russia Eastern Gas Pipeline

You-qi chuyun, 2020
In the reliability assessment of the Heihe-Changling Section of China-Russia Eastern Gas Pipeline at the preliminarydesign stage, the basic data of the pipeline sourced from trial-produced steel pipes, while the girth weld data referenced thewelding ...
Qingmei JIANG, Xiaoqiang ZHANG, Zhifeng YU   +2 more
doaj   +1 more source

Quality control and safety management of oil and gas pipelines during its whole life cycle

You-qi chuyun, 2023
The development history and technical change of oil and gas pipeline quality management in China were reviewed focusing on pipeline quality control in the whole life cycle, on the basis of quality improvement of oil and gas pipelines in the construction ...
Changliang JIANG
doaj   +1 more source