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Biopesticidal value of Senecio glaucus subsp. coronopifolius essential oil against pathogenic fungi, nematodes, and mites

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Materials Today: Proceedings 2020年 27卷 3082-3090页

作者： Khadija Basaid El Hassan Mayad Rachid Bouharroud James Nicholas Furze Hinde Benjlil Alessandra Lopes de Oliveira Bouchra Chebli Laboratory of Mechanic Process Energy and Environment National School of Applied Sciences Ibn Zohr University Agadir Morocco Laboratory of Biotechnology and Valorization of Natural Resources Faculty of Sciences of Agadir Department of Biology Ibn Zohr University BP 8106 80000 Agadir Morocco Research Unit of Integrated Crop Production Centre Regional de la Recherche Agronomique d’ Agadir (INRA) Morocco Fellow of the Control and Systems Engineering Department University of Technology Baghdad Iraq Fellow of the Royal Geographical Society London UK Laboratory of High Pressure Technology and Natural Products Department of Food Engineering University of São Paulo (USP) Av. Duque de Caxias Norte 225 Pirassununga SP 13635-900 Brazil

Essential oils are widely investigated as an alternative or complementary approach to broad-spectrum synthetic pesticides. In the present study, essential oil of Senecio glaucus subsp. coronopifolius was screened for its antifungal, nematicidal, acaricidal and repellent activities against the phytopathogens Botrytis cinerea , Meloidogyne javanica and Tetranychus urticae Koch under laboratory conditions. The volatile phase method (VF) and poisoned food method (PF) were adopted to test the antifungal activity of the essential oil. The oil gave 83% inhibition at 16 μL/ml using the PF method. VF method showed 86% inhibition of mycelial growth of B. cinerea at 0.8 μL/ml air. To check the nematicidal activity of the essential oil, two bioassays targeted the mortality of second stage juvenile (J2) and hatch inhibition of M. javanica eggs. 95% immobility of J2 and 92% inhibition of egg hatch were recorded at 16,000 ppm. The effect exerted by the oil was nematostatic. In the case of mites, a leaf dip bioassay revealed 100% mortality of T. urticae adults, and repellency of 24% after exposure to the oil at 80% concentration. chemical profile of S. glaucus essential oil was obtained using GC–MS. Terpenic compounds, such as indicated α-pinene (26.2%), myrcene (11.4%), p-cymene (9.9%), β-pinene (7.7%), γ-muurolene (4%), deoxynivalenol (3.1%) and α-phellandrene (2.7%) were identified as the major components. The findings indicated that S. glaucus essential oil has the potential for management of these pathogens.

关键词： Essential oil Senecio glaucus subsp. coronopifolius Botrytis cinerea Meloidogyne javanica Tetranychus urticae Koch

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The process of low-coke-rate operation under all pellets at Kobe blast furnace

The process of low-coke-rate operation under all pellets at ...

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作者： Maeda, Tomonori Tanaka, Kota Mitsuoka, Nayuta Toyota, Hitoshi Sato, Atsushi Matsuo, Tadasu Matsui, Yoshiyuki Ironmaking Department Kakogawa Works Kobe Steel Ltd. KobeHyogo Japan Environmental Control and Disaster Prevention Department Kobe Steel Ltd. KakogawaHyogo Japan Ironmaking Development Department Kobe Steel Ltd. KakogawaHyogo Japan Raw Materials and Transportation Division Kobelco Logistics Ltd. Nada-ku KobeHyogo Japan Technology and Administration Department Kobe Steel Ltd. KobeHyogo Japan Mechanical and Chemical Process Engineering Division KOBELCO Research Institute Inc. Nishi-ku Kobe Hyogo Japan

Kobe Works has no coke plant, so its blast furnace has utilized high pulverized coal injection operation since its third campaign. Furthermore, the sintering process was closed in 1999 in order to install a power plant, and Kobe Works shifted to an all-pellet operation in 2000. In the fourth campaign, control of the burden distribution according to many brand pellets and pulverized coals and flux injection technology have been achieved. As a result, under severe conditions with a pellet rate of 80% and also all yard materials, a low coke rate of 283 kg/thm was recorded. © 2019 Iron and Steel Society. All rights reserved.

关键词： Blast furnaces

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Continuous estimation of the key components content in the isomerization process products

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chemical engineering Transactions 2018年 69卷 79-84页

作者： Herceg, Srečko Andrijić, Željka Ujević Bolf, Nenad Faculty of Chemical Engineering and Technology University of Zagreb Department of Measurements and Process Control Savska c. 16/5a Zagreb10 000 Croatia

ISBN: (纸本)9788895608662

Soft sensors for estimating a fraction of key components in the products of a Low-temperature isomerization process equipped with a deisohexanizer distillation column are developed. Real plant data from the refinery distributed control system (DCS) are used. A considerable attention is paid to data selection, selection of key input variables, data processing and analysis. Dynamic soft sensor models for estimating the fraction of 2,2-Dimethylbutane, 2,3-Dimethylbutane, 2-Methylpentane and 3-Methylpentane in the products of the process are developed based on linear and nonlinear regression techniques. The development of a linear dynamic Finite Impulse Response (FIR), Autoregressive with Exogenous Inputs (ARX), Output Error (OE), as well as Nonlinear Dynamic Autoregressive with Exogenous Inputs (NARX) and Hammerstein-Wiener (HW) models are presented. Developed models were evaluated by validation techniques including Root Mean Square Error (RMSE), Absolute Error (AE), Final Prediction Error (FPE) and FIT coefficients. The results show that the developed soft sensors can reliably estimate the content of key components and thus replace process analysers in the case of failure. This will contribute to the operation stability of the column, the rise in product quality, the reduction in energy consumption as well as the improvement of whole isomerization process. Also, the developed soft sensors can be applied in the Advanced process control scheme of the deisohexanizer column. © Copyright 2018, AIDIC Servizi S.r.l.

关键词： Distributed parameter control systems

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Corrigendum to "8-Hydroxyquinoline based chitosan derived carbohydrate polymer as biodegradable and sustainable acid corrosion inhibitor for mild steel: Experimental and computational analyses" [Int. J. Biol. Macromol. 26 (1) (2020) 645-655]

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International journal of biological macromolecules 2023年 232卷 123744页

作者： M Rbaa M Fardioui Chandrabhan Verma Ashraf S Abousalem M Galai E E Ebenso T Guedira B Lakhrissi I Warad A Zarrouk Laboratory of Agro-Resources Polymers and Process Engineering Department of Chemistry Faculty of Science Ibn Tofail University PO Box 133 14000 Kenitra Morocco. Electronic address: mohamed.rbaa10@***. Laboratory of Materials Electrochemistry and Environment Ibn Tofail University Faculty of Sciences Kenitra Morocco. Center of Research Excellence in Corrosion Research Institute King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia Department of Chemistry School of Chemical & Physical Sciences and Material Science Innovation & Modelling (MaSIM) Research Focus Area Faculty of Agriculture Science and Technology North-West University (Mafikeng Campus) Private Bag X2046Mmabatho 2735 South Africa. Chemistry Department Faculty of Sciences Mansoura University El-Mansoura 35516 Egypt Quality Control Laboratory Operations Department JOTUN Egypt. Laboratory of Materials Engineering and Environment: Application and Modeling Faculty of Sciences Ibn Tofail University PO Box 133 14000 Kénitra Morocco. Laboratory of Agro-Resources Polymers and Process Engineering Department of Chemistry Faculty of Science Ibn Tofail University PO Box 133 14000 Kenitra Morocco. Department of Chemistry and Earth Sciences PO Box 2713 Qatar University Doha Qatar. Laboratory of Materials Nanotechnology and Environment Mohammed V University Faculty of Sciences P.O. Box. 1014 Rabat Morocco. Electronic address: azarrouk@***.

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Practical PID Hovering control of a Laboratory Quadcopter Using Low-Cost Embedded control Hardware and Software

Practical PID Hovering Control of a Laboratory Quadcopter Us...

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UKACC International Conference on control (control)

作者： Dimitrios Iosifidis Nikolaos Alvanos Christos Yfoulis Simira Papadopoulou C. Galatsopoulos Department of Automation Engineering (DAE) ATEl of Thessaloniki GREECE Department of Automation Engineering ATEI of Thessaloniki GREECE DAE/ATEI of Thessaloniki GREECE Process Control in DAE/A.T.E.I. of Thessaloniki Chemical Process Engineering Research Institute Centre for Research and Technology Thermi Thessaloniki Greece

This paper presents an experimental setup developed mainly in the thesis work of a team of undergraduate students, who designed, built and controlled successfully a laboratory quadcopter. This project focused on the hovering control of a custom-built quadcopter with limited movement along a single vertical post, hence allowing safe operation in a typical laboratory environment, while leaving enough degrees of freedom for useful experimentation with practical PID control laws, which are often disregarded in the educational curriculum of a typical undergraduate control laboratory. The total cost of developing this equipment has been kept particularly low due to the adoption of a modern popular low-cost hardware and software Arduino-based platform and compatible sensors. Interesting future extensions concerning the possibilities offered by this new equipment for teaching, demonstration, project work, as well as research purposes, in the current laboratory practice, are also unfolded.

关键词： Brushless DC motors Permanent magnet motors Pulse width modulation Synchronous motors PI control

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Multivariable control of unstable systems by goal attainment method 9

Multivariable control of unstable systems by goal attainment...

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9th International Conference on Trends in Industrial Measurement and Automation, TIMA 2017

作者： Ravikumar, N. Shekarbesta, Chandra Chidambaram, M. Process Control Lab Department of Chemical Engineering Indian Institute of Technology Madras600 036 India

ISBN: (纸本)9781509030019

Goal attainment method is used to design (i) decentralized PI controllers for a 3×3 stable multivariable transfer function matrix and (ii) decentralized and centralized PI controllers for an unstable 2×2 transfer function matrix. The performance of the closed loop system of 3×3 stable multivariable system is compared with that of the biggest log modulus (BLT) method, sequential tuning method, and the method of inequality. For unstable systems, the performance of the present method is compared with the method proposed by Govindhakannan and Chidambaram. The present method gives the improved performances. © 2017 IEEE.

关键词： Closed loop systems

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control of unstable multivariable systems by IMC method 9

Control of unstable multivariable systems by IMC method

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9th International Conference on Trends in Industrial Measurement and Automation, TIMA 2017

作者： Besta, Chandra Shekar Chidambaram, Manickam Process Control Group Department of Chemical Engineering Indian Institute of Technology Madras Chennai Tamilnadu India

ISBN: (纸本)9781509030019

In the present work, the matrix notation is used to derive the IMC decentralized and centralized PI controllers. Maclaurin series is applied to the resulting equation to get the controller parameters. For design of the controllers, the diagonal and full elements of the process are used. Whereas for evaluating the performance of the controllers, the full process transfer function matrix is used. To show the performance of the proposed decentralized control system two examples are considered and one example is considered for evaluating the performance of the proposed centralized controller. The performance of the present method is compared with the reported methods. © 2017 IEEE.

关键词： controllers

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A rigorous model for evaluating moving window soft sensors for industrial distillation processes

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chemical engineering Transactions 2018年 69卷 487-492页

作者： Torgashov, Andrei Skogestad, Sigurd An, Dmitry Process Control Laboratory Institute of Automation and Control Process FEB RAS 5 Radio Str. Vladivostok Russia Department of Chemical Engineering Norwegian University of Science and Technology TrondheimNO-7491 Norway Gazpromneft-Omsk Refinery JSC 1 Pr. Gubkina Omsk644040 Russia

ISBN: (纸本)9788895608662

Traditionally, soft sensors are developed based on measurement data only, but here we consider a moving window (MW) soft sensor (SS) that uses data generated from a calibrated, rigorous model of the distillation columns of an FFC unit at Gazpromneft-Omsk Refinery. The contribution of the paper is that a procedure is developed for MW SS design that incorporates a priori knowledge, which is especially suitable when the training sample is small and contains measurement errors. In addition, we propose a continuous adaptation of all model parameters based on new data, instead of the usual procedure of only updating the bias. The accuracy of the predicted product quality is investigated by calculating the coefficient of determination (R2) and root mean squared error (RMSE) for the test sample. Several approaches were considered, and we found that a constrained optimization approach was superior. The constraints on the model parameters of SSs are derived from a calibrated, rigorous distillation unit model. The improved estimator quality resulted in the successful industrial application of advanced process control (APC) systems. © Copyright 2018, AIDIC Servizi S.r.l.

关键词： Distillation columns

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LJItrasensitive H2S gas sensors based on p-type WS2 hybrid materials

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Nano Research 2018年第8期11卷 4215-4224页

作者： Georgies Alene Asrest Jose J. Baldovi Aron Dombovari Topias Jarvinen Gabriela Simone Lorite Melinda Mohl Andrey Shchukarev Alejandro Perez Paz Lede Xian Jyri-Pekka Mikkola Anita Lloyd Spetz Heli Jantunen Angel Rubio Krisztian Kordas Microelectronics Research Unit Faculty of Information Technology and Electrical Engineering University of Oulu P.O. Box 4S00FI-90014 Oulu Finland Max Planck Institute for the Structure and Dynamics of Matter Luruper Chaussee 149 22761 Hamburg Germany Nano-Bio Spectroscopy Group European Theoretical Spectroscopy Facifity (ETSF) Universidad del Pals Vasco CFM SCIC-UPV/EHU-MPC DIPC A venida Tolosa 72 20018 San Sebastian Spain Technical Chemistry Department of Chemistry Chemical-Biological Centre Umea University SE-90187 Umea Sweden School of Chemical Sciences and Engineering School of Physics and Nanotechnology Yachay Tech University Urcuquf Ecuador Industrial Chemistry & Reaction Engineering Department of Chemical Engineering Johan Gadolin Process Chemistry Centre AboAkademi University FI-20500 Abo-Turku Finland Sensor and Actuator Systems Department of Physics Chemistry and Biology Link~ping University SE-58183 LinkOping Sweden

Owing to their higher intrinsic electrical conductivity and chemical stability with respect to their oxide counterparts, nanostructured metal sulfides are expected to revive materials for resistive chemical sensor applications. Herein, we explore the gas sensing behavior of WS2 nanowire-nanoflake hybrid materials and demonstrate their excellent sensitivity （0.043 ppm-1） as well as high selectivity towards H2S relative to CO, NH~, H2, and NO （with corresponding sensitivities of 0.002, 0.0074, 0.0002, and 0.0046 pprn-1, respectively）. Gas response measurements, complemented with the results of X-ray photoelectron spectroscopy analysis and first-principles calculations based on density functional theory, suggest that the intrinsic electronic properties of pristine WS2 alone are not sufficient to explain the observed high sensitivity towards H2S. A major role in this behavior is also played by O doping in the S sites of the WS2 lattice. The results of the present study open up new avenues for the use of transition metal disulfide nanomaterials as effective alternatives to metal oxides in future applications for industrial process control, security, and health and environmental safety.

关键词： ws nanowire nanoflake gas sensor H2S,O doping

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Development of an Unmanned Vertical Take-Off and Landing Aircraft for Medical Express UAV Challenge

Development of an Unmanned Vertical Take-Off and Landing Air...

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International Conference on Methods and Models in Automation and Robotics (MMAR)

作者： Roman Czyba Marcin Lemanowicz Michał Simon Tomasz Kudala Zbigniew Gorol Maciej Galeja Karol Hanke Adam Sikora Wojciech Grabowski Łukasz Ryczko Mateusz Żurawski Paulina Kapała Karol Kreihs Piotr Langner Department of Automatic Control Silesian University of Technology Gliwice Poland Department of Chemical Engineering and Process Design Silesian University of Technology Gliwice Poland Faculty of Mechanical Engineering Silesian University of Technology Gliwice Poland

This paper presents a design process of unmanned vertical take-off and landing aircraft, developed by the High Flyers team from Silesian University of technology, who decided to participate in the Medical Express UAV Challenge competition. The designed system is described as a hybrid platform, where different operating modes correspond to the vertical flight, transition and spatial flight in the airframe system. Explanation of an iterative design process with the contribution of CAD design, CFD analysis and control system design in particular flight modes is presented. Simulation results are carried out to corroborate the design control system. Finally, the fast prototyping of proposed control strategy as well as manufacturing process is shown.

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