Results 101 to 110 of about 44,109 (294)

Study on Natural Gas Decarbonization Process Based on CO2 Desublimation Characteristics

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Natural gas decarbonization is a crucial processing step. In this study, the snow separation technology for removal of carbon dioxide in natural gas based on CO2 desublimation characteristics was introduced. The phase equilibrium calculation of CH4‐CO2 and N2‐CO2 system was carried out by using cubic equations of states (EOSs), and identified ...
Haiqin Wang   +3 more
wiley   +1 more source

Field investigation and numerical analysis on the flow slide of loess slope at Xinzhuang village, Haiyuan, China

open access: yesGeoenvironmental Disasters
Background The identification and supplementation of historical seismic flow-slide events, combined with systematic investigations, are critical for advancing the comprehensive understanding of flow-slide mechanisms.
Chaoyu Chang   +5 more
doaj   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

A SIMPLIFIED PRACTICAL METHOD FOR EVALUATING LIQUEFACTION-INDUCED FLOW

open access: yesDoboku Gakkai Ronbunshu, 1999
液状化に伴って生じる地盤の流動を線形の有限要素法により簡易的に評価する手法を提案している. 流動を液状化後ゆっくりと生じる現象と想定し, 繰返しせん断応力を加えて液状化させた後単調に載荷させる実験を行い, 液状化後の砂の応力-ひずみ関係を求めたところ, 剛性が非常に小さい, 微小抵抗領域とその後の剛性回復領域に分けられることが分かった. これらをそれぞれ線形の関係に置くことで, 簡易解析に用いる砂の応力-ひずみ関係をモデル化した. さらに, 液状化層上部の非液状化層やケーソン直下の地盤についても線形の応力-ひずみ関係にモデル化する方法を提案した. これらを用いて, 地震被害解析を行ったところ, かなりの精度で実被害を説明できることが分かった.
Susumu YASUDA   +5 more
openaire   +2 more sources

Simulating competition in the US bioeconomy to produce hard‐to‐electrify transportation fuels using limited biomass resources

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract This study presents a novel bioeconomy optimization framework, BiOpt, designed to address critical questions regarding the strategic use of limited US biomass resources for biofuel production. By integrating detailed techno‐economic analyses, life cycle assessments, and resource assessment data, BiOpt optimizes resource distributions across ...
Nicholas A. Carlson   +3 more
wiley   +1 more source

Liquefaction analysis of alluvial soil deposits in Bedsa south west of Cairo

open access: yesAin Shams Engineering Journal, 2014
Bedsa is one of the districts in Dahshour that lays south west of Cairo and suffered from liquefaction during October 1992 earthquake, Egypt. The soil profile consists of alluvial river Nile deposits mainly sandy mud with low plasticity; the ground water
Kamal Mohamed Hafez Ismail Ibrahim
doaj   +1 more source

Advanced ramjet concepts program [PDF]

open access: yes
Uniquely advantageous features, on both the performance and weight sides of the ledger, can be achieved through synergistic design integration of airbreathing and rocket technologies in the development of advanced orbital space transport propulsion ...
Leingang, J. L.
core   +1 more source

Impact of New Madrid Seismic Zone Earthquakes on the Central USA, Vol. 1 and 2 [PDF]

open access: yes, 2009
The information presented in this report has been developed to support the Catastrophic Earthquake Planning Scenario workshops held by the Federal Emergency Management Agency.
Cleveland, Lisa J.   +3 more
core  

Toward Carbon Accounting and Circular Harmony in Shipping Corporations: A Systematic Bibliometric Review

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study examines how carbon accounting can be used to govern, not merely report, circular economy principles in shipping corporations. Grounded in institutional theory and aligned with the UN 2030 Agenda, this study introduces circular harmony as an accounting design principle: Circular interventions are embedded in a single well‐to‐wake ...
Assunta Di Vaio   +2 more
wiley   +1 more source

Proposal and 3E analysis of two novel Claude liquefaction systems

open access: yesResults in Engineering
Hydrogen gas is a clean and renewable fuel that is gaining interest worldwide. However, its transportation and storage present challenges that necessitate liquefaction. However, there are concerns regarding the inefficiency and high costs associated with
M. Aghabalazadeh   +2 more
doaj   +1 more source

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