Results 41 to 50 of about 5,594,466 (155)
You-qi chuyun, 2020 In consideration of the structural characteristics of high-grade steel pipes and the great influence of weld failure on the safety of pipelines, the bearing capacity of girth welds of pipelines has become a research hotspot in the pipeline industry.
Hong ZHANG +5 more
doaj +1 more source
You-qi chuyun, 2020 In order to solve the technical defects of the conventional inner detector and to meet the actual demands of China-Russia Eastern Gas Pipeline Project, a new type of high density polyurethane inner diameter detector for large diameter pipelines before ...
Rui LI +5 more
doaj +1 more source
Construction progress and existing problems of intelligent pipeline network
You-qi chuyun, 2020 The backbone network of oil and gas pipelines in China has begun to take shape, and the construction of intelligent pipeline network becomes possible on the base of increasingly perfect operation and maintenance system and the application of big data ...
Zhongwen NIE +6 more
doaj +1 more source
Cost curves for gas supply security: the case of Bulgaria [PDF]
, 2012 We evaluate the cost-effectiveness of various policy options and infrastructure investment proposals to improve the security of gas supply in Bulgaria, one of the most gas insecure countries in the European Union.
core +3 more sources
How transition paths differ: enterprise performance in Russia and China [PDF]
, 2005 We use enterprise data to analyse and contrast the determinants of enterprise performance in China and Russia. We find that in China, enterprise growth and efficiency is associated with rapid increases in factor inputs, but not correlated with ...
Estrin, S, Bhaumik, SK
core +6 more sources
Technical support system for development and engineering application of transmission pipe product
You-qi chuyun, 2020 With the continuous growing demand for natural gas, China's high-grade oil and gas pipeline construction has developed rapidly and ranked in the international leaders. In the application process of high-grade oil and gas transmission pipes, the technical
Helin LI +3 more
doaj +1 more source
You-qi chuyun, 2022 Yangtze River shield tunnel is an important control project of China-Russia Eastern Gas Pipeline Project (Yongqing-Shanghai). The ultra-length tunnel (10.226 km) caused many engineering problems.
Shengwen ZHAN +6 more
doaj +1 more source
You-qi chuyun, 2020 Heilongjiang crossing section in the dominant engineering project of the transit section of China-Russia Eastern Gas Pipeline crosses the border between China and Russia. Its longitudinal submerged arc welded (LSAW) pipes and induction bends are supplied
Qingmei JIANG +3 more
doaj +1 more source
You-qi chuyun, 2020 Failure of girth welds in high-grade steel pipelines is common. With the surge in mileages of high-grade steel pipeline, the failure of girth weld in high-grade steel pipelines has drawn an increasing attention from domestic and foreign pipeline ...
Zhenyong ZHANG
doaj +1 more source
Barriers to Steel Decarbonization
steel research international, Volume 97, Issue 9, Page 4415-4437, September 2026.Main identified barriers to steel decarbonization Carbon dioxide (CO2) emissions are a leading contributor to global climate change, necessitating urgent mitigation strategies. While various metrics—such as total national emissions, per‐capita output, and historical contributions—define responsibility, determining accountability remains complex ...
Pasquale Cavaliere
wiley +1 more source