Results 201 to 210 of about 107,516 (263)

Soaking Water Management Strategies for Enhanced Quality of Parboiled Rice

Cereal Chemistry, EarlyView.
ABSTRACT Background and Objectives Parboiling is a hydrothermal process that alters rice physicochemical and nutritional properties. The soaking step is crucial, influencing off‐flavor formation, mineral retention, and effluent quality. This study evaluated five soaking water (SW) management strategies combining different frequencies and volumes of SW ...
Eliane Lemke Figueiredo, Paulo Alberto Azevedo, Nataniele Barros Schaun, Ya‐Jane Wang, Rosana Colussi, Nathan Levien Vanier, Moacir Cardoso Elias   +6 more
wiley   +1 more source

Optimization of 3D‐Printed Structured Packings—Current State and Future Developments

Chemie Ingenieur Technik, EarlyView.
This paper gives an overview about structured packing development for distillation, surveying heuristic development cycles, computational fluid dynamics simulations, and additive manufacturing techniques. The emerging application of shape optimization to improve packings is emphasized, and its benefits, impact, and limitations are discussed.
Dennis Stucke, Sebastian Blauth, Christian Leithäuser, Thomas Grützner   +3 more
wiley   +1 more source

Integral Experiments and Magnetic Resonance Imaging of Lab‐Scale Liquid Distributors

Chemie Ingenieur Technik, EarlyView.
Four lab‐scale liquid distributors were evaluated based on the homogeneity of the resulting liquid distribution. The best‐performing design reduced maldistribution and wall flow compared to a single‐point liquid distribution and remained stable under varying operating conditions, including different gas and liquid loads.
Hannah S. Rennebaum, Alina Dobschall, Jenni Bindseil, Mirko Skiborowski, Alexander Penn   +4 more
wiley   +1 more source

Hydroprocessing of synthetic kerosene over a non‐sulphided Ni/Al2O3 catalyst: Impact of alcohols and ketones on alkene conversion

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract Synthetic jet fuel containing non‐petroleum‐derived kerosene can be produced from synthetic kerosene obtained through processes that include a hydroprocessing step. The potential use of non‐sulphided (reduced) nickel supported on alumina (Ni/Al2O3) was evaluated as an alternative to sulphided catalysts to saturate alkenes in sulphur‐free ...
Garima Chauhan, Felix Link, Cibele Melo Halmenschlager, Arno de Klerk   +3 more
wiley   +1 more source

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Yet a Smarter Irrigation System

2020
A new type of irrigation system is being developed in the context of the research project 02/SAICT/2017-28247-FCT-TO-CHAIR. The output are irrigation plans based on optimal control theory that minimize water usage and keep crops safe. In this paper, we present the main features of the system prototype. The system uses soil moisture sensors in the field,
Sérgio F. Lopes, Rui M. S. Pereira, Sofia O. Lopes, Micael Coutinho, Aureliano C. Malheiro, Victor Fonte   +5 more
openaire   +2 more sources

A fuzzy irrigation control system

2020 IEEE Global Humanitarian Technology Conference (GHTC), 2020
Given the need to reduce water consumption in irrigation to face the challenge of guaranteeing the supply of this resource to the population in the coming decades, this work presents a fuzzy inference system based irrigation control system to determine water irrigation volume for a sweet pepper (capsicum annuum) crop.
Souza, Gilberto, Aquino, Plinio Thomaz, Filev Maia, Rodrigo, Kamienski, Carlos, Soininen, Juha Pekka   +5 more
openaire   +3 more sources

Irrigation Systems

1994
Abstract In any type of agricultural production the fate of nitrogen is inescapably linked with that of water. In irrigated agriculture the fate of water is controlled in turn by the method of irrigation employed. Inherent differences in the way water is applied for each method of irrigation influence solute movement and replenishment of
Roy S Rauschkolb, Arthur G Hornsby
openaire   +1 more source

The Irrigating Knife: An Ultrasharp Surgical Blade With Irrigating System

Ophthalmic Surgery, Lasers and Imaging Retina, 1990
ABSTRACT We present an irrigating microsurgical knife for ocular surgery. Irrigation of balanced salt solution through the knife tip during sectioning removes hemorrhages continuously, allowing uninterrupted sectioning, without cauterization of bleeding vessels. The "zero degree" knife can be bent in any required position.
J G, Worst, L I, Los
openaire   +2 more sources

Improvement of the irrigation system for orchids

International Conference on Computer Systems and Technologies '21, 2021
In the present work, software tools have been adapted to improve the operation of a drip irrigation system for orchids, which can be used to meet the specific watering requirements of these plants. The orchids used are divided into two groups - those with a single watering and to which an irrigation system is used.
Krum Videnov, Vanya Stoykova, Miroslav Vasilev, Zlatin Zlatev, Mariya Georgieva-Nikolova, Petya Yordanova   +5 more
openaire   +1 more source