Results 51 to 60 of about 418,303 (212)

Applicability evaluation technology for steel small diameter pipes containing external surface corrosion defects

open access: yesScientific Reports
With the continuous operation of oil and gas stations and petrochemical equipment, it has been found that steel small bore pipelines have different degrees of corrosion defects, which have led to pipeline cracking and medium leakage, and have ...
Qiang Li   +6 more
doaj   +1 more source

Prototype test method for dynamic evaporation in LNG tank containers during shipping

open access: yesYou-qi chuyun, 2022
The evaporation of LNG is one of the important factors that influence the transportation safety of tank containers, but the characteristics of dynamic evaporation during shipping have not been clarified yet. The prototype test is the research method that
Peng YU, Kang CHENG, Qianjin YUE
doaj   +1 more source

Why Some Firms Perceive Climate Risks and Others Do Not—Evidence From the Logistics Sector

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study explores how companies perceive risks stemming from climate change as a gradual process, focusing on the logistics sector. It advances research on organizational climate risk perception by integrating perspectives on embeddedness and resource configurations. Based on 41 semi‐structured interviews with representatives of 22 logistics
Felix Bücken, Martin Franz
wiley   +1 more source

LNG vessels and market analysis

open access: yes, 2022
U ovom radu obraditi će se brodovi za prijevoz prirodnog ukapljenog plina (LNG brodovi) te analiza njihovog tržišta. Ukapljeni prirodni plin, LNG (engl. Liquefied natural gas), je pročišćeni zemni plin koji rashlađivanjem prelazi u tekuće stanje kako bi ...
Žeželić, Marta
core   +1 more source

Challenges of Bio‐Syngas Conversion to High‐Value‐Added Liquid Chemicals and Fuels via COx Hydrogenation

open access: yesCarbon Energy, EarlyView.
Converting biomass‐derived syngas into value‐added fuels and chemicals offers a promising route toward carbon neutrality, yet unfavorable H2/COx ratios, elevated CO2 levels, and trace impurities pose persistent obstacles. This review examines strategies spanning syngas conditioning, impurity‐tolerant catalyst development, and integrated process design,
Xuan Bie   +7 more
wiley   +1 more source

ESTUDIO DE DISPOSITIVOS SEMICONDUCTORES EXPUESTOS A LA RADIACIÓN ESPACIAL

open access: yesAnales (Asociación Física Argentina), 2003
El presente trabajo apuntó a estudiar procesos físicos que ocurren en dispositivos electrónicos sometidos a radiaciones espaciales. Por medio de algoritmos numéricos se realizó el modelado y la simulación de los dispositivos electrónicos.
G. Domingo Yagüez   +4 more
doaj  

Shell LNG-Studie: Verflüssigtes Erdgas - Neue Energie für Schiff und Lkw? Fakten, Trends und Perspektiven [PDF]

open access: yes, 2019
Seit Mitte der 1960er Jahre wird Erdgas in Form von Liquefied Natural Gas (LNG) über die Weltmeere transportiert. In jüngerer Zeit wächst das Interesse an LNG im Verkehrsbereich, insbesondere als neuer Kraftstoff für die Schifffahrt und schwere Lkw.
Knitschky, Gunnar   +7 more
core  

Simulation and Economic Benefit Analysis of Carburetor Combined Transport in Winter at a Liquefied Natural Gas Receiving Station

open access: yesEnergies
In the winter, a certain LNG receiving terminal operates exclusively with the submerged combustion vaporizer (SCV). However, due to the high operational costs associated with the SCV, a new combined operation scheme utilizing both the SCV and the open ...
Song Cao   +5 more
doaj   +1 more source

Patient reported outcomes and results of endometrial balloon ablation for the treatment of heavy menstrual bleeding: A single center observational cohort study

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective Heavy menstrual bleeding is one of the most common gynecologic disorders among women of reproductive age and has a significant impact on their physical, psychological, and social well‐being. Although international guidelines recommend medical therapy as the first‐line treatment, it may prove ineffective, poorly tolerated, or ...
Jonas Rudaitis   +3 more
wiley   +1 more source

Loss of excitation protection for large condenser based on measured impedance dynamic trajectory

open access: yes电力工程技术
The loss of excitation fault of large condenser seriously affects the safety and stability of equipment and system. The reliability and selectivity of existing low-voltage and reactive power reverse criteria based on local static threshold are ...
CHEN Xiaoqiang   +4 more
doaj   +1 more source

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