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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8366905 | PMC |
| http://dx.doi.org/10.1098/rsta.2019.0541 | DOI Listing |
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Trends in extreme rainfall over the past 55 years suggest springtime subhourly rainfall extremes have intensified in Mahantango Creek, Pennsylvania.
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Pasture Systems and Watershed Management Research Unit, USDA-ARS, 1 State Bog Road, East Wareham, MA, 02538, USA.
Extreme short-duration rainfall is intensifying with climate warming, and growing evidence suggests that subhourly rainfall extremes are increasing faster than more widely studied durations at hourly and daily timescales. In this case study, we used 55 years (1968-2022) of 5-min precipitation data from Mahantango Creek, a long-term experimental agricultural watershed in east-central Pennsylvania, United States, to examine annual and seasonal changes in subhourly (15-min), hourly, and daily rainfall extremes. Specifically, we evaluated temporal trends in the magnitude and frequency of subhourly, hourly, and daily rainfall extremes.
View Article and Find Full Text PDFRapid construction of nickel phyllosilicate with ultrathin layers and high performance for CO methanation.
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August 2024
Key Laboratory of Low Carbon Energy and Chemical Engineering, Shandong University of Science and Technology, Qingdao 266590, China. Electronic address:
The traditional techniques for the synthesis of nickel phyllosilicates usually time-consuming and energy-intensive, which often lead to the formation of layers with excessive thickness due to uncontrolled crystal growth. In order to overcome these challenges, this work introduces a microwave-assisted synthesis strategy to facilitate the synthesis of Ni-phyllosilicate-based catalysts within an exceptionally short duration of only five minutes, attaining a peak temperature of merely 102 °C. To enhance the specific surface area and to increase the exposure of active sites, an investigation was conducted involving three surfactants.
View Article and Find Full Text PDFCrop establishment and diversification strategies for intensification of rice-based cropping systems in rice-fallow areas in Odisha.
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October 2023
International Maize and Wheat Improvement Centre, NASC Complex, New Delhi, India.
Context Or Problem: In the Indian state of Odisha, rice-based system productivity is poor due to: (i) low rice yield in the monsoon (wet) season (2-4 t ha compared to 6-8 t ha in Punjab or Haryana); and (ii) limited cropping during the post-monsoon (dry) season (59% of the wet season rice area is left fallow in the dry season).
Objective: Our study identifies strategies for increasing rice-based system productivity through: (i) alternative crop establishment methods in the wet season (Dry-Direct Seeded Rice or DSR, and mechanical puddled transplanted rice or PTR-M) to traditional methods such as broadcasting followed by post-emergence tillage (locally known as ) and manual random puddled transplanted rice (PTR-R); (ii) to identify rice-fallow areas suitable for pulse and oilseed cultivation in the dry season; and (iii) to evaluate the performance of short-duration pulses (green gram, ; black gram, ), and oilseeds ( var. toria, ) in rice-fallow areas in the dry season.
A novel hybrid bioprocess strategy addressing key challenges of advanced biomanufacturing.
Front Bioeng Biotechnol
June 2023
Corporate Research, Sartorius, Göttingen, Germany.
Monoclonal antibodies (mAb) are commonly manufactured by either discontinuous operations like fed-batch (FB) or continuous processes such as steady-state perfusion. Both process types comprise opposing advantages and disadvantages in areas such as plant utilization, feasible cell densities, media consumption and process monitoring effort. In this study, we show feasibility of a promising novel hybrid process strategy that combines beneficial attributes of both process formats.
View Article and Find Full Text PDFIntegrating conservation agriculture with intensive crop diversification in the maize-based organic system: Impact on sustaining food and nutritional security.
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Coordination Unit, ICAR-Indian Institute of Farming System Research, Meerut, India.
Introduction: Developing an intensive sustainable model and feeding a rising population are worldwide challenges. The task is much more daunting in the North Eastern Himalayas, where, low productive maize ()- fallow is the main production system in the upland. To increase farm productivity, nutritional security, and energy dietary returns while maintaining environmental sustainability and economic viability, short-duration crops must be included in the maize-fallow system.
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