Academic literature on the topic 'Chemical control'

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Journal articles on the topic "Chemical control"

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Singh, Dr Pushpa, and Dr Umesh Prasad Patel. "Chemical Control of Pests of Soybean." Indian Journal of Applied Research 3, no. 7 (October 1, 2011): 644. http://dx.doi.org/10.15373/2249555x/july2013/203.

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Maslen, Stuart. "Chemical control." International Journal of Human Rights 20, no. 4 (March 16, 2016): 590–91. http://dx.doi.org/10.1080/13642987.2016.1159838.

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Abouelsoud, A. A., Reda Abobeah, and Abdullah Al-odienat. "ADAPTIVE OUTPUT FEEDBACK CONTROL OF CHEMICAL BATCH REACTOR." Journal of Control Engineering and Technology 4, no. 3 (July 30, 2014): 205–9. http://dx.doi.org/10.14511/jcet.2014.040306.

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Matthews, G. A. "Chemical Pest Control." Bulletin of the Entomological Society of America 33, no. 1 (March 1, 1987): 39–40. http://dx.doi.org/10.1093/besa/33.1.39.

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Braatz, Richard D., and Oscar D. Crisalle. "Chemical process control." International Journal of Robust and Nonlinear Control 17, no. 13 (2007): 1161–62. http://dx.doi.org/10.1002/rnc.1173.

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Erez, Amnon. "Chemical Control of Budbreak." HortScience 22, no. 6 (December 1987): 1240–43. http://dx.doi.org/10.21273/hortsci.22.6.1240.

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Abstract Interest in artificial control of budbreak of deciduous fruit trees species is closely connected with commercial attempts to grow these species in warm locations, where the chilling requirements are not fulfilled naturally. This interest developed following attempts to grow such species in warm countries that did not want to or could not import these fruits from cooler regions. In subtropical regions like the Cape zone in South Africa, eastern Australia, and Israel, the problem was more acute in the 1950s and 1960s. Adoption of low-chilling cultivars, or a shift of production to cooler, better-adapted areas, improved tree performance considerably. Nevertheless, sporadic problems after exceptionally warm winters still pose a commercial problem. In other areas, such as southeastern United States, the risk of spring frost is such that low-chilling cultivars with their early budbreak cannot be grown in northern locations, and, in such regions, chemical treatments are needed occasionally.
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Tsuji, Shinichi. "Chemical substances control law." Japanese Journal of Pesticide Science 40, no. 1 (2015): 82–89. http://dx.doi.org/10.1584/jpestics.w14-25.

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Mao, Steve. "Chemical control of transcription." Science 358, no. 6370 (December 21, 2017): 1551.6–1552. http://dx.doi.org/10.1126/science.358.6370.1551-f.

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Menezes, Ritesh G., Syed Ather Hussain, Mansoor Ali Merchant Rameez, Magdy A. Kharoshah, Mohammed Madadin, Naureen Anwar, and Subramanian Senthilkumaran. "Chemical crowd control agents." Medico-Legal Journal 84, no. 1 (December 10, 2015): 22–25. http://dx.doi.org/10.1177/0025817215622314.

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HOGUE, CHERYL. "MOMENTUM FOR CHEMICAL CONTROL." Chemical & Engineering News 87, no. 49 (December 7, 2009): 10. http://dx.doi.org/10.1021/cen-v087n049.p010.

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Dissertations / Theses on the topic "Chemical control"

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Chu, C. C., and T. J. Henneberry. "Chemical Control Studies of Silverleaf Whitefly Control." College of Agriculture, University of Arizona (Tucson, AZ), 1996. http://hdl.handle.net/10150/210866.

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Chemical control studies for silverleaf whitefly, Bemisia argentifolii Bellows and Perring, control on cotton showed that fenpropathrin-acephate, fenpropathrin-endosulfan, and endosulfan-bifenthrin mixtures gave adequate control and increased cotton yields were obtained as compared within untreated cottons. Pyriproxyfen, applied biweekly or alternated with fenpropathrin-acephate, Nicotiana, and a fenpropathrin-mycotrol mixture also gave effective control.
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Ydstie, Birger Erik. "Robust adaptive control of chemical processes." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/8295.

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Hought, Julian L. "Advanced control of batch chemical reactions." Thesis, University of Huddersfield, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314422.

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West, Jon. "Chemical control of Armillaria root rot." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386565.

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Kotzeva, Vega Petrova. "Chemical sensors for automotive emission control." Thesis, University of Cambridge, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620419.

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Wang, Chuangnan. "Ultrasonic technique for chemical process control." Thesis, University of Strathclyde, 2014. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24442.

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Ultrasound has found application in chemical processing control using both low power, high frequency monitoring techniques and high power, low frequency process enhancement approaches. In many cases, standard ultrasonic systems are retrofitted to a process and while these produce efficiency improvements, the design of bespoke systems may offer more potential. In particular, this Thesis has considered two techniques used in the biomedical field; harmonic imaging and high intensity focused ultrasound (HIFU) and has translated these into ultrasonic transducers for use in an industrial process control system. Traditional ultrasound monitoring techniques are based on operation in the linear domain and are used to monitor chemical processes by measurement of material acoustic velocity, attenuation or based on spectral analysis. Both active and passive methods have been reported for application in this industrial sector. One issue is the presence of multiple reflections in the received ultrasonic signal which can mask the signals of interest from the load medium. This Thesis has considered a new ultrasonic monitoring approach using a combination of both linear and nonlinear spectral components. This was applied to high-throughput products and a dual frequency transducer designed and fabricated to acquire the ultrasonic backscattered signals in both the fundamental and second harmonic frequency regimes. The additional information provided by the harmonic device enabled discrimination between shampoo and conditioner products with the same density, but different molecular weights. HIFU transducer array designs are then considered for high power, low frequency chemical process enhancement applications. Typical applications of high power ultrasound use single or multiple discrete transducers to insonify a process. These are effective, but inflexible in the delivery of the ultrasonic field. The application of a HIFU array would provide control of the high power focal region in the load medium, which offer advantages to industry. Two transducer array approaches have been considered in this Thesis based on piezoelectric composite configurations. Three HIFU arrays based on the 1-3 piezocomposite have been fabricated to operate between 200-400kHz and fully characterised to evaluate their high power performance. A second transducer configuration was based on a novel 2-2 piezocomposite with a 2 layer stacked configuration. Simulation of this transducer design illustrated its potential for high power applications, although a number of fabrication issues resulted in the manufactured array not operating at full capacity. Importantly, the transducer configurations developed in this Thesis are shown to induce cavitation through the standard aluminium foil test.
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Blandy, Jack. "Soft chemical control of layered oxychalcogenides." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:0fcc2604-0e0d-4206-a0aa-3fdcc611e357.

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The structure, magnetic behaviour and chemistry of layered oxychalcogenides of composition A2MO2X2Ch2 (where A = Sr, Ba; M = Mn, Co, Ni, Cu, Zn; X = Cu, Ag and Ch = S, Se, Te) has been investigated by the synthesis of new compounds of this type and control of the properties of these compounds by oxidative deintercalation of Cu/Ag. I2 can be used to oxidatively deintercalate Cu from Sr2MnO2Cu1.5S2, forming Sr2MnO2Cu1.33S2, an incommensurately modulated compound, with a completely different Cu/vacancy ordering and antiferromagnetic ordering structure to the parent. This reaction is also probed in real-time, using in situ powder X-ray diffraction. Sr2MnO2Ag1.5Se2 was found to have an A-type magnetic ordering structure, similar to Sr2MnO2Cu1.5Se2. Sr2MnO2Cu1.8Te2 on the other hand with a lower Mn oxidation state shows only two-dimensional magnetic correlations, rather than long-range order. Extending the reaction with I2 to several Co-containing analogues revealed that ~ 25% Ag could be removed from Sr2CoO2Ag2Se2, sufficient to observe a change in magnetic behaviour, from antiferromagnetic to ferromagnetic. By contrast only ~11% Cu can be deintercalated from Sr2CoO2Cu2S2 and even less (~5%) from Sr2CoO2Cu2Se2. Neutron diffraction was used to examine the resultant changes in magnetic ordering. The novel compounds Sr2CuO2Cu2Se2 and Ba2CuO2-xCu2Se2 are related by substitution of the alkali-earth metal, but while Sr2CuO2Cu2Se2 is a stoichiometric compound with metal-like character, Ba2CuO2-xCu2Se2 is an oxygen-deficient semiconductor, with tuneable oxygen content. Unusual features are observed in the magnetic susceptibility measurements of Sr2NiO2Cu2Se2 that appear unrelated to this compound's long-range magnetic ordering, as probed by neutron diffraction. Furthermore, unusual peak splitting is observed in low-temperature powder X-ray diffraction patterns of this compound; this may plausibly be due to a photon-induced effect arising from the use of a high-energy beamline; although further measurements are required to examine this. Overall the work shows the flexibility and range of behaviour exhibited by a series of the transition metal oxide chalcogenides.
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Shen, Gwo-Chyau. "Adaptive inferential control for chemical processes /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487329662147068.

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Brunkow, Glenn Edward. "Chemical control of rough-leaved dogwood." Thesis, Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/2268.

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Seki, Hiroya. "Feedback Control of Nonlinear Chemical Reactors." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/149439.

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Books on the topic "Chemical control"

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Crowley, Michael. Chemical Control. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137467140.

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Brauch, Hans Günter. Chemical warfare and chemical arms control. Mosbach: AFES PRESS, 1989.

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Howard, Stott W. Chemical weed control in cucumbers. Pullman: Cooperative Extension, College of Agriculture & Home Economics, Washington State University, 1989.

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Lee, Peter L. Nonlinear Process Control: Applications of Generic Model Control. London: Springer London, 1993.

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United States. Drug Enforcement Administration. Office of Diversion Control, ed. Chemical handler's manual: A guide to chemical control regulations. [Washington, D.C.]: U.S. Dept. of Justice, Drug Enforcement Administration, 2002.

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Erickson, Kelvin T. Plantwide process control. New York: Wiley, 1999.

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Morari, Manfred. Robust process control. Englewood Cliffs, N.J: Prentice Hall, 1989.

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Prett, David M. Fundamental process control. Boston: Butterworth-Heinemann, 1988.

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Ray, W. Harmon. Advanced process control. Boston: Butterworths, 1989.

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American Bar Association. Section of Environment, Energy, and Resources, ed. Global chemical control handbook: A guide to chemical management programs. Chicago, Illinois: American Bar Association, Section of Environment Energy, and Resources, 2014.

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Book chapters on the topic "Chemical control"

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Becker, Norbert, Dušan Petrić, Marija Zgomba, Clive Boase, Minoo Madon, Christine Dahl, and Achim Kaiser. "Chemical Control." In Mosquitoes and Their Control, 441–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-92874-4_18.

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Lee, Chow-Yang, Dini M. Miller, and Stephen L. Doggett. "Chemical Control." In Advances in the Biology and Management of Modern Bed Bugs, 285–310. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119171539.ch30.

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Eizenberg, Hanan, Joseph Hershenhorn, Jhonathan H. Ephrath, and Fred Kanampiu. "Chemical Control." In Parasitic Orobanchaceae, 415–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38146-1_23.

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Becker, Norbert, Dušan Petrić, Clive Boase, John Lane, Marija Zgomba, Christine Dahl, and Achim Kaiser. "Chemical Control." In Mosquitoes and Their Control, 377–405. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4757-5897-9_13.

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Becker, Norbert, Dušan Petrić, Marija Zgomba, Clive Boase, Minoo B. Madon, Christine Dahl, and Achim Kaiser. "Chemical Control." In Mosquitoes, 453–511. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-11623-1_18.

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Crowley, Michael. "Introduction." In Chemical Control, 1–8. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137467140_1.

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Crowley, Michael. "Mechanisms to Regulate the Transfer of ICA Weapons, Riot Control Agents and Related Means of Delivery." In Chemical Control, 199–222. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137467140_10.

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Crowley, Michael. "Application of the United Nations Drug Control Conventions to ICA Weapons." In Chemical Control, 223–28. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137467140_11.

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Crowley, Michael. "The Role of Civil Society in Combating the Misuse of Incapacitating Chemical Agents and Riot Control Agents." In Chemical Control, 229–62. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137467140_12.

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Crowley, Michael. "Conclusions and Recommendations." In Chemical Control, 263–77. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137467140_13.

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Conference papers on the topic "Chemical control"

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Alsop, N. "Modular procedural control of chemical processes." In UKACC International Conference on Control. Control '96. IEE, 1996. http://dx.doi.org/10.1049/cp:19960640.

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Bouman, Bas, Elise Morskieft, Erwin ter Haar, and Peter Pieters. "SIL classification for intelligent motor control systems in accordance with the ATEX directive." In Chemical Industry. IEEE, 2008. http://dx.doi.org/10.1109/pciceurope.2008.4563546.

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Becker, H. L., D. C. Thomas, W. R. Doddridge, and D. B. McDougall. "Asphaltene Deposition Control Using Chemical Control Agents." In Annual Technical Meeting. Petroleum Society of Canada, 1992. http://dx.doi.org/10.2118/92-70.

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Cibulić, Violeta, Sanja Mrazovac Kurilić, and Novica Staletović. "ASSESSMENT AND MANAGEMENT OF CHEMICAL RISK." In 53rd Annual Conference of the Serbian Water Pollution Control Society. SERBIAN WATER POLLUTION CONTROL SOCIETY, 2024. http://dx.doi.org/10.46793/voda24.341c.

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The assessment and management of chemical risk in the electrolysis process were discussed in the paper. Existing chemical risks were evaluated for identified hazards from the use of chemicals in the production process, storage, or transportation phases, and actions for their elimination and management were predicted. The KINNEY method, primarily used for assessing workplace impacts, was employed for the first time in this study to assess chemical risk in a specific process. The level of chemical risk was determined as a product of consequences, probability, and frequency of chemical accidents, using the example of NaCl electrolysis and chemicals that may arise from this process. Considering the risk effects of all used or resulting chemical substances in the entire production process, the total risk level in the sodium chloride electrolysis process was calculated and it was at the upper boundary of moderate risk, level III risk.
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Wirkkala, Asko, Rajesh Tiwari, and Jouni Seppala. "Predictable non-evasive maintenance in chemicals industry for low voltage Intelligent Motor Control System (IMCS): Case study." In Chemical Industry. IEEE, 2008. http://dx.doi.org/10.1109/pciceurope.2008.4563545.

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Zhang, Yunshen. "Chemical Heterogeneous Surface and Its Application in Chemical Engineering." In 2016 7th International Conference on Mechatronics, Control and Materials (ICMCM 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icmcm-16.2016.115.

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Chaves, M., and E. D. Sontag. "Observers for chemical reaction networks." In 2001 European Control Conference (ECC). IEEE, 2001. http://dx.doi.org/10.23919/ecc.2001.7076512.

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Papachristodoulou, Antonis, and Ben Recht. "Determining Interconnections in Chemical Reaction Networks." In 2007 American Control Conference. IEEE, 2007. http://dx.doi.org/10.1109/acc.2007.4283084.

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Bartusiak, R. Donald, Christos Georgakis, and Matthew J. Reilly. "Nonlinear Control Structures for Chemical Reactors." In 1986 American Control Conference. IEEE, 1986. http://dx.doi.org/10.23919/acc.1986.4789085.

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Eaton, John W., and James B. Rawlings. "Model Predictive Control of Chemical Processes." In 1991 American Control Conference. IEEE, 1991. http://dx.doi.org/10.23919/acc.1991.4791693.

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Reports on the topic "Chemical control"

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Brumer, Paul W. Coherent Control of Chemical Reactions. Fort Belvoir, VA: Defense Technical Information Center, October 2001. http://dx.doi.org/10.21236/ada390499.

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Liu, Kopin. Steric Control of Complex Chemical Reactions. Fort Belvoir, VA: Defense Technical Information Center, May 2014. http://dx.doi.org/10.21236/ada608820.

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Liu, Kopin. Steric Control of Complex Chemical Reactions - II. Fort Belvoir, VA: Defense Technical Information Center, December 2012. http://dx.doi.org/10.21236/ada570779.

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Liu, Kopin. Steric Control of Complex Chemical Reactions - 1. Fort Belvoir, VA: Defense Technical Information Center, December 2011. http://dx.doi.org/10.21236/ada554105.

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Schmid, Samuel, Gray Turnage, and Gary Ervin. Chemical and Biological Control of Alligator Weed. Mississippi State University, December 2023. http://dx.doi.org/10.54718/glzz3432.

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Jessica Croft. A Self-Calibrating Remote Control Chemical Monitoring System. Office of Scientific and Technical Information (OSTI), June 2007. http://dx.doi.org/10.2172/912463.

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Chien, Y. M. Chemical Spill Prevention, Control, and Countermeasures Plan: 100 Areas. Office of Scientific and Technical Information (OSTI), June 1989. http://dx.doi.org/10.2172/6405399.

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Ramsey, J. M. Microfabricated Instrumentation for Chemical Sensing in Industrial Process Control. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/940379.

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Shtienberg, Dan, William Fry, Amos Dinoor, Thomas Zitter, and Uzi Kafkafi. Reduction in Pesticide Use in Plant Disease Control by Integration of Chemical and Non-Chemical Factors. United States Department of Agriculture, May 1995. http://dx.doi.org/10.32747/1995.7613027.bard.

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The long term goal of this research project was to improve control efficiency of Alternaria diseases while reducing fungicide use, by integration of chemical and non-chemical factors. Non-chemical factors were genotype resistance, age-related resistance and fertilizers. The Specific objectives were: 1) To quantify changes in resistance among genotypes and over time in terms of disease development and specific phases of the disease cycle; 2) To quantify the effects of fertilizers applied to the foliage alone, or in combination with a fungicide, on disease development; 3) To quantify the relative contribution of genotype resistance, age-related resistance and fungicide type to the reduction of disease development; 4) To develop a strategy for integration of chemical and non-chemical factors which will achieve optimal disease suppression. The influence of physiological age of cotton plants and of the individual leaves, on disease incidence and on the rate of lesion expansion of A. macrospora was examined on leaves sampled from the field. Both parameters increased with the physiological age of individual leaves but were not affected by the age of the whole plant. The hypothesis that enrichment of the foliage with nitrogen and potassium may enhance host resistance to Alternaria and thus reduce disease severity, was examined for potato and tomato (A. solani ) and for cotton (A. macrospora ). Under controlled environment conditions, application of urea or KNO3 resulted in some reduction in disease development; however, foliar application of both nutrients (8-10 sprays in total) did not affect Alternaria severity in the field. Systemic fungicides against Alternaria (e.g. , tebuconazole and difenoconazole) are more effective than the commonly used protectant fungicides (e.g. mancozeb and chlorothalonil). Concepts for the integration of genotype resistance, age-related resistances and fungicide for the suppression of Alternaria diseases were developed and evaluated. It was found that reduction in host resistance, with age and among genotypes, can be compensated for by adjusting the intensity of fungicide applications, i.e. by increasing the frequency of sprays and by spraying systemic fungicides towards the end of the season. In, moderately resistant cultivars protection can be achieved by spraying at longer intervals than susceptible cultivars. The concepts for integration were evaluated in field trials for cotton, potatoes and tomatoes. By following these concepts it was possible to save up to five sprays out of 8-10 in a growing season.
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Sayler, G. S. Molecular Ecology of Bacterial Populations in Environmental Hazardous Chemical Control. Fort Belvoir, VA: Defense Technical Information Center, November 1991. http://dx.doi.org/10.21236/ada248493.

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