Results 31 to 40 of about 739,208 (184)

Kinetic comparison of two basic heterogenous catalysts obtained from sustainable resources for transesterification of waste cooking oil [PDF]

Biofuel Research Journal, 2015
Alkaline earth metal oxides are appropriate catalysts for biodiesel production and among them, CaO and MgO are known for possessing the best efficiency.
G.R. Moradi, M. Mohadesi, M. Ghanbari, M.J. Moradi, Sh. Hosseini, Y. Davoodbeygi   +5 more
doaj  

Efficient catalytic removal of COS and H2S over graphitized 2D micro-meso-macroporous carbons endowed with ample nitrogen sites synthesized via mechanochemical carbonization

Green Energy & Environment, 2022
Developing a suitable catalyst for the elimination of highly toxic carbonyl sulfide (COS) and hydrogen sulfide (H2S) is of great significance in terms of industrial safety and environmental protection.
Xun Kan, Guanqing Zhang, Yingying Luo, Fujian Liu, Yong Zheng, Yihong Xiao, Yanning Cao, Chak-tong Au, Shijing Liang, Lilong Jiang   +9 more
doaj   +1 more source

Effect of COVID-19 on patient access to health services for noncommunicable diseases in Latin America: a perspective from patient advocacy organizations

International Journal for Equity in Health, 2022
Background The COVID-19 pandemic has been felt acutely in Latin America with several countries having among the highest numbers of SARS-CoV-2 cases and related deaths.
Meredith H. Kruse, Alessandra Durstine, Dabney P. Evans   +2 more
doaj   +1 more source

Sun Protection Products Protect Against UV-Induced Mitochondrial DNA Damage and Blue Light-Induced Cell Decline in Human Dermal Fibroblast Skin Cell Viability

Cosmetics
The first part of the study shows that four commercial sun protection SPF 50 products provide statistically significant (all p < 0.021) protection by reducing the amount of UV-induced mitochondrial (mtDNA) damage in human dermal fibroblast skin cells (i ...
Jessica Moor, Amy Bowman, Hina Choudhary, Jonathan Brookes, Patricia Brieva, Mark Anthony Birch-Machin   +5 more
doaj   +1 more source

Monitoring the Hydrothermal Crystallization of Ga/ZSM-5 Using Sorption and other Conventional Techniques

Adsorption Science & Technology, 1999
Sorption techniques have been employed for monitoring progress in the hydrothermal crystallization of synthetic MFI-type gallosilicate from a (TEBA) 2 O–Na 2 O–Ga 2 O 3 –SiO 2 –H 2 O system at 453 K.
S.V. Awate, P.N. Joshi, T.H. Kim, K.I. Kim, V.P. Shiralkar   +4 more
doaj   +1 more source

Nitrogen- and Halogen-Free Multifunctional Polymer-Directed Fabrication of Aluminum-Rich Hierarchical MFI Zeolites

Nanomaterials, 2022
Aluminum-rich hierarchical MFI-type zeolites with high acidic-site density exhibit excellent activity and selectivity in bulky molecule-involved reactions.
Yuan Hu, Chan Wang, Tiesen Li, Xiaojun Bao, Yuanyuan Yue   +4 more
doaj   +1 more source

Alkaline-Earth Metals-Doped Pyrochlore Gd2Zr2O7 as Oxygen Conductors for Improved NO2 Sensing Performance

Scientific Reports, 2017
This work proposed a novel strategy to fabricate highly-stable NO2 sensor based on a pyrochlore-phase Gd2Zr2O7 oxygen conductor. The incorporation of alkaline-earth metals distinctly enhances the sensing performance of the Gd2Zr2O7 based sensors.
Fulan Zhong, Jiwu Zhao, Lanqian Shi, Yihong Xiao, Guohui Cai, Yong Zheng, Jinlin Long   +6 more
doaj   +1 more source

PUDL Raw EIA Bulk Electricity API Data

<p>Aggregate national, state, and plant-level electricity generation statistics, including fuel quality and consumption, for grid-connected plants with nameplate capacity of 1 megawatt or greater Archived from <a href="https://www.eia.gov ...
Catalyst Cooperative
core   +2 more sources

Introduction to the Tenth Anniversary section of Catalyst

In preparing the tenth anniversary section of Catalyst, the current editorial team met to reflect on the legacy, politico-ethical vision and future of the journal.
Pienaar, Kiran, Lee, Robyn, Phan, Thao, Truyts, Carina, Chacko, Xan, Catalyst editorial collective, Aristarkhova, Irina, Cifor, Marika   +7 more
core   +2 more sources

Variation patterns of physical property parameters for pipeline transportation of impurity-containing NH3

You-qi chuyun
ObjectivePipeline transportation is one of the most economical and safest methods for the large-scale transport of ammonia (NH3), which is recognized as a clean energy source.
Pengbo YIN, Bo WANG, Zhenchao LI, Chaofei NIE, Jiaqing LI, Xiucan JIA, Lin TENG, Lilong JIANG   +7 more
doaj   +1 more source