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Journal articles on the topic "Zn 6050"
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Dong, Xiaofei, Jianping Xu, Hui Yang, Xiaosong Zhang, Zhaojun Mo, Shaobo Shi, Lan Li, and Shougen Yin. "Effect of Ligand Exchange on the Photoluminescence Properties of Cu-Doped Zn-In-Se Quantum Dots." Journal of Electronic Materials 47, no. 4 (January 4, 2018): 2241–48. http://dx.doi.org/10.1007/s11664-017-6050-3.
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De Mille, Carson, Nicholas K. Gabler, and Eric R. Burrough. "PSVII-5 Zinc overload in weaned pigs: tissue accumulation, pathology, and growth impacts." Journal of Animal Science 97, Supplement_2 (July 2019): 215. http://dx.doi.org/10.1093/jas/skz122.378.
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Abstract Pharmacological concentrations of zinc (Zn, 2000-3000 ppm) are commonly fed to nursery pigs. However, diet manufacturing errors can result in supra-pharmacological concentrations of Zn (>4000 ppm) being fed. Clinical and phenotypic data reflective of Zn associated morbidity in modern genotype pigs are poorly defined. Therefore, the study objective was to characterize the effect of dietary Zn overload on nursery pig performance, body mineral concentrations and pathologic changes. Fifty-five 21 d old weaned pigs (4.50 ± 0.2 kg BW) were randomly assigned to one of five Zn diet treatments for 21 d. Diets included: 1) Control no additional Zn (NC), 2) 6000 ppm Zn for 21 d (Zn6), 3) 6000 ppm Zn for 7 d plus 4000 ppm Zn for 14 d (Zn64), 4) 3000 ppm Zn for 7 d and no additional Zn for 14 d (Zn3), and 5) 3000 ppm Zn for 7 d plus 2000 ppm for 14 d (Zn32). All pigs were bled and weighed at d 0, 7 and 21, and ADFI and G:F were determined for the overall 21 d test period. Thereafter, all pigs were necropsied for histopathology and serum, tissue and feed trace mineral concentrations were determined. Data were analyzed by one-way ANOVA with Tukey-Kramer adjustment in JMP. Overall pig ADG, ADFI and G:F was not statistically different between treatments. Feeding greater than 6000 ppm Zn increased pancreatic Zn concentrations compared to other groups (P < 0.001), and pancreatic apoptosis was more frequent in pigs fed supra-pharmacological levels of Zn (P < 0.0001). Hepatic and serum Zn levels were highest in diet 2 and 3 pigs compared to the other diets (P < 0.0001 and P = 0.0003 respectively) and only pigs from these treatments had serum Zn >2.0 ppm or hepatic Zn >500 ppm. Accordingly, these mineral levels should warrant further feed analysis if expected inclusion rates are 3,000 ppm Zn or less.
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Djalovic, Ivica, Muhammad Riaz, Kashif Akhtar, Goran Bekavac, Aleksandar Paunovic, Vladimir Pejanovic, Sajjad Zaheer, and P. V. Vara Prasad. "Yield and Grain Quality of Divergent Maize Cultivars under Inorganic N Fertilizer Regimes and Zn Application Depend on Climatic Conditions in Calcareous Soil." Agronomy 12, no. 11 (October 31, 2022): 2705. http://dx.doi.org/10.3390/agronomy12112705.
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The variations in temperature and rainfall patterns under climate change are threatening crop production systems, and optimizing fertilization practices is a prerequisite for sustainable cereal production. This two-year field study investigated the effects of eight treatments (T1: P60K60; T2: P60K60 + Nmin spring; T3: P60K60 + N40autumn + Nmin spring; T4: P60K60 + N60spring; T5: P60K60 + N100spring; T6: P60K60 + N40autumn + N60spring + Zn; T7: P60K60 + N60autumn + N80spring + Zn; and T8: P60K60 + N160spring + Zn) on the grain yield and quality of four divergent maize cultivars (NS-4023, NS-640, NS-6010 and NS-6030). The observations on climatic data showed substantial variations in monthly and cumulative rainfall only, which was 174 and 226 mm for 2011 and 2012, respectively, and much less than the historical cumulative rainfall of 339 mm. However, temperature during growth years showed little deviation from the historical data. The data showed that treatment and maize cultivar significantly influenced grain yield; however, grain yield remained lower in 2012 than in 2011 for each treatment and cultivar. Applying N as split doses in combination with Zn, resulted in higher grain yields than adding at once. However, the treatments and cultivars affected grain quality variables differently, including oil, thiol SH, phytate, inorganic P, soluble protein, starch, total phenol, protein, total sugars and tryptophan contents. Despite the pronounced difference in grain yields between 2011 and 2012 for each treatment and cultivar, grain quality did not always vary significantly between cultivars. Principal component analysis (PCA) revealed that the relationships between grain yield and grain quality varied significantly during 2011 and 2012. The changes in rainfall patterns at critical growth maize stages seemed to be a more important factor than temperature in regulating the response of maize cultivars in terms of grain yield and quality to various fertilization regimes in this study.
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Delville, Alfred, and Christian Detellier. "Zn(II)–D-(−)penicillamine complexes in aqueous solution. Zn-67 nuclear magnetic resonance study." Canadian Journal of Chemistry 64, no. 9 (September 1, 1986): 1845–49. http://dx.doi.org/10.1139/v86-303.
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D–(−)-Penicillamine interactions with Zn(II) have been studied in aqueous solutions as a function of pH, penicillamine concentration, and temperature, using Zn-67 nuclear magnetic resonance. Longitudinal and transverse relaxation rate measurements show the presence in solution of complexes in fast exchange with the aquated Zn(II) cation, and belonging to the extreme narrowing regime. Using equilibrium constant values from the literature, the relaxation behaviour was modelled. Characteristic Zn-67 line width values for the two complexes Zn(Pen) (v = (6200 ± 500) Hz) and [Zn(Pen H)]+ (v = (6000 ± 1000) Hz) were found. Equality of the two values is in agreement with zinc chelation by the sulfhydryl and the amino groups.
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Reese, R. N., and G. J. Wagner. "Properties of tobacco (Nicotiana tabacum) cadmium-binding peptide(s). Unique non-metallothionein cadmium ligands." Biochemical Journal 241, no. 3 (February 1, 1987): 641–47. http://dx.doi.org/10.1042/bj2410641.
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The chemical and physical characteristics of Cd-binding peptides isolated from tobacco (Nicotiana tabacum) leaves and suspension-cultured tobacco cells were determined and compared with properties of rat liver Cd, Zn-thionein. Some emphasis was placed on metal-binding and specificity properties. Cd-peptides of apparent Mr 6000 and 2000 were induced in tobacco leaves by growth of plants with 90 microM-Cd. Only the apparent-Mr-2000 Cd-peptide was induced in the leaves of tobacco plants grown in the presence of 3 microM-Cd. In cultured tobacco cells exposed to a wide range of Cd levels (3-180 microM), a peptide of apparent Mr 2000 was observed. Under denaturing conditions [6 M-guanidinium chloride (GdmCl) with or without 100 mM-2-mercaptoethanol], all of the above forms were shown to have an Mr of approx. 1300, compared with an Mr of 6000 for Cd, Zn-thionein. The apparent disaggregation of the Mr-6000 form by GdmCl to what appears to be the unit Cd-binding peptide was reversible. Tobacco-derived Cd-peptide contained approx. 40, 35 and 15 residues of glutamate/glutamine, cysteine and glycine respectively, with serine, lysine, and aromatic residues being absent. Tobacco Cd-peptide had an isoelectric point (pI) of 3.15, which is lower than the pI greater than or equal to 4 reported for metallothionein. A 50% dissociation of Cd occurred at pH 5 and 3.5 for the tobacco Cd-peptide and Cd, Zn-thionein respectively, and GdmCl was shown to cause Cd dissociation from tobacco peptide, but not from metallothionein. No evidence was obtained for Zn induction in vivo of, or Zn binding in vitro to, tobacco Cd-peptide. Copper induced a low-Mr metal-binding component in cultured tobacco cells which did not appear to be identical with the peptide induced by Cd. Properties of tobacco Cd-peptide and Cd, Zn-thionein, including metal affinity and selectivity, are greatly different, except for the common presence of 30 residues of cysteine/100 residues.
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Al-Rawi, D. S., and N. M. Abood. "Response of Oats Cultivars to Spraying with Nano and Mineral Zinc and Potassium on Yield and its Components." IOP Conference Series: Earth and Environmental Science 904, no. 1 (November 1, 2021): 012050. http://dx.doi.org/10.1088/1755-1315/904/1/012050.
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Abstract A field experiment was carried out at Al-Hamidhiya research station of the College of Agriculture - University of Anbar, located within 43.39 longitude, 33.44 latitude and 53 m heights above sea level during Winter seasons 2018-2019 and 2019-2020, with aim of studying the effect of levels of potassium fertilizer, nano and mineral zinc on the yield of three oat cultivars. The split-split-plot arrangement was used according to a randomized complete block design (RCBD) with three replications. The main plots included potassium concentrations (0, 6000, 3000 nm, and 6000 nm) mg K l-1, while the subplot included zinc concentrations (0, 50 and 50 nm) mg Zn l-1, while the cultivars were in the sub-sub plots (Hamel, Carrolup and Genzania). The results of the study indicate that the varieties differed significantly in all studied traits. Genzania cultivar outperformed in terms of grain yield (6.25 and 6.19 ton ha-1) and biological yield (16.37 and 16.26 ton ha-1) the two seasons, respectively. In addition, spraying zinc on the plant had a positive role in improving the yield and its components, as the treatment 50 mg Zn L-1 gave grain yield of 6.24 and 6.06 tons’ ha-1 for both seasons respectively, adding potassium improved the components of the yield, which was reflected in the yield in which the treatment 6000 nm mg K L-1 was superior with seed yield of 7.05 and 6.84 ton ha-1 for the two seasons respectively. Also, the two-way interaction between the concentrations of potassium and zinc, potassium and cultivars, and zinc and cultivars had a significant effect on most of the studied traits. The three-way interaction between the study factors had a significant effect on the studied traits, which was evident in seed yield, as the combination (Genzania sprayed with 3000nm K + 50 mg Zn L-1) gave the highest grain yield of 8.30 for the first season, while the plants of the variety Hamel sprayed with 6000nm K + 50 mg Zn L-1 gave the highest grain yield of 7.440 ton ha-1 for the second season.
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Patil, Suwarna B., Shweta M. Dhage, Pradeep S. Umap, S. V. Ghorpade, and Shyamkant Patharwat. "Cartridge based nucleic acid amplification test: a sensitive diagnostic tool for tuberculosis on fine needle aspirates samples." International Journal Of Community Medicine And Public Health 7, no. 4 (March 26, 2020): 1511. http://dx.doi.org/10.18203/2394-6040.ijcmph20201465.
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Background: The extrapulmonary tuberculosis (EPTB) is challenging to diagnose due to its pauci-bacillary nature. According to recent research, WHO recommends cartridge based nucleic acid amplification test (CBNAAT) to be used as initial diagnostic test in suspected cases of extrapulmonary tuberculosis. Aim of the present study is to assess the role of CBNAAT in comparison with cytomorphological features upon fine needle aspiration cytology (FNAC) and Ziehl-Neelson (ZN) stain in clinically suspected cases of EPTB.Methods: Present pilot study is descriptive cross-sectional study of 439 cases of clinically suspected EPTB over a period of 12 months (January 2019 to December 2019). After procedure of fine needle aspirates, smears were stained with routine H&E, papanicolaou stain and ZN stain. In the same setting, aspirate was also sent for CBNAAT. Results were obtained after detailed study.Results: Out of 439 cases, presumptive tuberculosis was diagnosed in 192 cases showing either epithelioid cell granulomas or caseous necrosis or both upon morphology, while overall 94 cases were positive on ZN stain and 146 cases were CBNAAT positive with the sensitivity of 84.04% and specificity of 80.57%.Conclusions: FNAC is the cheapest and simplest method to diagnose extrapulmonary tuberculosis, however those smears where tuberculosis cannot be diagnosed on FNAC like suppurative lesions, reactive lymphadenitis and low cellularity, CBNAAT plays a key role for the correct diagnosis thereby significantly reducing the morbidity and mortality.
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Stamatelos, Ilias, Cao Thang Dinh, Werner Lehnert, Joachim Pasel, and Meital Shviro. "Zn-Based Catalysts for Selective and Stable Electrochemical CO2 Reduction at High Current Densities." ECS Meeting Abstracts MA2023-02, no. 58 (December 22, 2023): 2802. http://dx.doi.org/10.1149/ma2023-02582802mtgabs.
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The development of low-cost and stable catalysts is important for lowering the capital and operational cost of CO2 electro-reduction (ECR). Zinc (Zn) is an earth-abundant metal, with promising performance for the CO2-to-CO conversion.1 Zinc oxide (ZnO) has been recently employed for the CO2-to-CO conversion, recording promising selectivity (FECO) but short-term stability, in Flow-Cell configuration.2,3 ZnO phase has been proven critical for competent ECR performance, since both the oxidation state of Zn and the Zn/ZnO interface are proven critical for high FECO. 4,5In our work 6, we have synthesised various ZnO allotropes, the properties of which induced differences in their ECR performance. We have identified the ZnO nanorods (ZnO-NR) as the best performing catalyst. The latter was implemented in a zero-gap ECR electrolyser (MEA), recording partial current density for CO (jCO) of 160 mA cm-2 at cell voltage of 3.6 V. We have correlated the depletion of the ZnO phase in the MEA with the degradation of the performance (initially 15 h stability). We applied a periodic oxidation protocol in the MEA, causing the regeneration of ZnO-phase, allowing us to prolong the life-time of the catalyst. Through our strategy we were able to record 82% CO selectivity (FECO) for over 100 h, at -160 mA cm-2. This work provides an approach of practical use of inexpensive Zn-based catalysts for large-scale ECR applications. (1) Luo, W.; Zhang, J.; Li, M.; Züttel, A. Boosting CO Production in Electrocatalytic CO2 Reduction on Highly Porous Zn Catalysts. ACS Catal. 2019, 9 (5), 3783–3791. https://doi.org/10.1021/acscatal.8b05109. (2) Zeng, J.; Fontana, M.; Sacco, A.; Sassone, D.; Pirri, C. F. A Study of the Effect of Electrode Composition on the Electrochemical Reduction of CO2. Catalysis Today 2021. https://doi.org/10.1016/j.cattod.2021.07.014. (3) Zong, X.; Jin, Y.; Li, Y.; Zhang, X.; Zhang, S.; Xie, H.; Zhang, J.; Xiong, Y. Morphology-Controllable ZnO Catalysts Enriched with Oxygen-Vacancies for Boosting CO2 Electroreduction to CO. Journal of CO2 Utilization 2022, 61, 102051. https://doi.org/10.1016/j.jcou.2022.102051. (4) Nguyen, D. L. T.; Jee, M. S.; Won, D. H.; Jung, H.; Oh, H.-S.; Min, B. K.; Hwang, Y. J. Selective CO2 Reduction on Zinc Electrocatalyst: The Effect of Zinc Oxidation State Induced by Pretreatment Environment. ACS Sustainable Chem. Eng. 2017, 5 (12), 11377–11386. https://doi.org/10.1021/acssuschemeng.7b02460. (5) Geng, Z.; Kong, X.; Chen, W.; Su, H.; Liu, Y.; Cai, F.; Wang, G.; Zeng, J. Oxygen Vacancies in ZnO Nanosheets Enhance CO2 Electrochemical Reduction to CO. Angewandte Chemie International Edition 2018, 57 (21), 6054–6059. https://doi.org/10.1002/anie.201711255. (6) Stamatelos, I.; Dinh, C.-T.; Lehnert, W.; Shviro, M. Zn-Based Catalysts for Selective and Stable Electrochemical CO2 Reduction at High Current Densities. ACS Appl. Energy Mater. 2022. https://doi.org/10.1021/acsaem.2c02557. Figure 1
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Das, Sonu, Mathew John, and Supriya Adiody. "Relevance of copper/zinc ratio and its association with redox status in chronic obstructive pulmonary disease." International Journal Of Community Medicine And Public Health 11, no. 6 (May 30, 2024): 2291–95. http://dx.doi.org/10.18203/2394-6040.ijcmph20241487.
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Background: Chronic obstructive pulmonary disease is a progressive and persistent inflammatory condition associated with significant morbidity and mortality. Increased oxidative stress amongst others, plays an important role in the pathogenesis of this disease. The objective of the present study was to conduct a preliminary yet comprehensive examination of metal exposure specifically copper and zinc levels and their association with overall oxidative stress in COPD. Methods: A cross sectional study was carried out in a tertiary care hospital in South India. Two groups were included in the study. One group with 20 COPD patients and the other group of 20 healthy controls. Plasma samples were obtained from both the groups and serum levels of copper and zinc were studied by atomic absorption spectrometry. Cu/Zn ratio obtained from the results was further correlated with oxidative stress index calculated from total oxidant status and total antioxidant status in COPD with respect to controls. Results: The copper levels were significantly higher and the zinc levels lower in the COPD group as compared to the control group. The copper/zinc ratio was higher in COPD as compared to control population. The correlation between Cu/Zn ratio and oxidative stress index showed a positive correlation with a regression coefficient of 0.7. Conclusions: The study throws light on the trace element imbalance in COPD and how these could induce oxidative stress, contributing to persistent inflammation in COPD. In the clinical perspective, monitoring Cu/Zn ratio in COPD patients may lead to better risk mitigation and thereby better therapeutic management of the disease.
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Sarkees, Nazy A., and Bilal I. Mohammed. "Peanut Yield and Oil Response to Application Methods and Zinc Concentration." Tikrit Journal for Agricultural Sciences 23, no. 3 (September 30, 2023): 22–31. http://dx.doi.org/10.25130/tjas.23.3.3.
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From the field of Khabat Technical Institute- Erbil Polytechnic University the research was conducted in the summer season of 2021. It shows peanut yield and oil response to application methods and zinc concentration. A factorial experimental design was applied in a randomized complete block design (RBCD) with replications; the first factor represents seed treatment by four concentrations of Zinc (0, 1, 2 and 3 g Zn kg seed-1) and second factor was a foliar spray application by four concentrations of Zinc (0, 2000, 4000 and 6000 Zn mg liter-1). The combined effect of seed treatment by 1 g Zn kg seed-1 and 2000 mg liter-1 of zinc foliar spray application, produced the highest value of a number of pod plant-1, pod and seed yield (kg ha-1), oil and protein yield (kg ha-1), but the seed treatment by 2 g Zn kg seed-1 and 4000 mg liter-1 of zinc foliar application surpassed in weight of 100 pod (g), weight of 100 seed, oil and protein percentage while 1 g Zn kg seed-1 and 4000 mg liter-1 of zinc obtained the heights branches of plant-1. The interaction between seed treatment 1 g Zn kg seed-1 with 2000 mg liter-1 of zinc foliar application recorded the highest number of pod plant-1, seed yield (kg ha-1), oil percentage, oil and protein yield (kg ha-1). The interaction treatment 2 g Zn kg seed-1 with 4000 mg liter-1 of zinc recorded the highest value in weight of 100 pods (g), weight of 100 seed, pods yield (kg ha-1) and protein percentage
Dissertations / Theses on the topic "Zn 6050"
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Ayas, Can. "Theoretical And Experimental Investigation Of Bulk Glass Forming Ability In Bulk Amorphous Alloy Systems." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12605884/index.pdf.
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In this study molecular dynamics simulation program in NVT ensemble using Velocity Verlet integration was written in order to investigate the glass forming ability of two metallic systems. The Zn-Mg system, one of the frontiers of simple metal-metal metallic glasses and Fe-B, inquiring attention due to presence of many bulk glass forming alloy systems evolved from this binary with different alloying element additions. In addition to this, atomistic calculations on the basis of ordering were carried out for both Zn-Mg and Fe-B systems. Ordering energy values are calculated using electronic theory of alloys in pseudopotential approximation and elements which increase the ordering energy between atoms were determined. The elements which increase the ordering energy most were selected as candidate elements in order to design bulk amorphous alloy systems.
In the experimental branch of the study centrifugal casting experiments were done in order to see the validity of atomistic calculations. Industrial low grade ferroboron was used as the master alloy and pure element additions were performed in order to constitute selected compositions. Fe62B21Mo5W2Zr6 alloy was successfully vitrified in bulk form using nearly conventional centrifugal casting processing. Specimens produced were characterized using SEM, XRD, and DSC in order to detect the amorphous structure and also the crystalline counterpart of the structure when the cooling rate is lower. Sequential peritectic and eutectic reaction pattern was found to be important for metallic glasses which can be vitrified in bulk forms with nearly conventional solidification methods.
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Dänzler, Stefanie. "Digitalisierung und die Auswirkung auf die Fernsehfinanzierung." Doctoral thesis, Humboldt-Universität zu Berlin, Philosophische Fakultät III, 2011. http://dx.doi.org/10.18452/16272.
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Trotz des Stellenwertes des Fernsehens ist der Stand der quantitativen und qualitativen wis-senschaftlichen Literatur im Rahmen der Fernsehfinanzierung eher dürftig. Zurzeit gibt es kein umfassendes Standardwerk zur analogen und digitalen Fernsehfinanzierung. Neben der Veröffentlichung und der Aufsatzsammlung von Pethig und Blind (1989) gibt es eine Reihe von Einzelveröffentlichungen, die sich leider nur ausschnittsweise dem Thema Fernsehfinan-zierung widmen. Diese Arbeit beschäftigt sich, im Gegensatz zur politischen Ökonomie, mit der traditionellen Medienökonomie auf der Makro- und Mikroebene der theoretischen Wirtschaftswissenschaf-ten. Sie hat das Ziel, die Finanzierung des Fernsehens objektiv zu analysieren, die ökonomi-schen Verhaltensweisen der beteiligten Marktteilnehmer darzustellen und deren Veränderun-gen im Zuge der Digitalisierung zu beschreiben. Mit der Digitalisierung verändert sich ebenfalls die gesellschaftliche Bedeutung des Fernse-hens und das führt zu Veränderungen und Anpassungen der einzelnen Eigenschaften des Gu-tes „Information“. Zum einen ist Fernsehen ein kulturelles und meritorisches Gut, das im öf-fentlich-rechtlichen Fernsehen zur Erfüllung des gesellschaftlichen Auftrages des Staatsvertrages begründet ist. Zum anderen ist es ein privates Gut, das traditionell im ökono-mischen Wettbewerb markwirtschaftlich bewertet und gehandelt wird. Im ersten Teil der Arbeit werden die analogen Erlösquellen der Rundfunkanstalten umfassend dargestellt und definiert. Es gibt unterschiedliche Definitionen und Einordnungen der Fern-sehfinanzierung. Fernsehangebote werden z.B. als entgelt-, werbe- und mischfinanziert defi-niert, ebenfalls geläufig ist die Unterscheidung in Werbe-, Zuschauer- und Dienstleistungsfi-nanzierung. Mit der Digitalisierung des Fernsehens verlassen wir zunehmend den Bereich der klassischen Finanzierung von analogen Fernsehangeboten und ergänzen diese um Modelle, die uns aus der Internet- und Netzwerkökonomie von Negroponte, Shapiro/Varian, Zerdick/Picot/Schrape bekannt sind. Der zweite Teil der Arbeit untersucht die Auswirkungen der Digitalisierung auf die Fernsehfinanzierung und bildet die neuen und veränderten Erlösquellen ab. Die Digitalisierung und die Aussicht auf neue Vertriebswege und Verbreitungswege von In-formationen führen zwangsläufig zu Veränderungen des Fernsehmarktes und der Infragestel-lung des öffentlich-rechtlichen Fernsehauftrages und einer neuen Bewertung dieses Auftrages. Dies hat nicht nur Auswirkungen auf die Fernsehfinanzierung, sondern erfordert im gleichen Maße eine Anpassung der Businessmodelle und deren Wertschöpfungsketten. Neue Akteure werden sich am digitalen Fernsehmarkt behaupten, Machtpositionen infrage stellen und gege-benenfalls alte Fernsehanbieter ablösen.Considering the central importance of television today, there are comparatively few quantita-tive and qualitative studies on television financing. Indeed, there is currently no definitive, comprehensive standard work on analog and digital television financing. Apart from Pethig and Blind’s publication and collection of essays (1989), there are a number of monographs that deal with the subject of television financing; however, they unfortunately treat only cer-tain aspects of the topic. This thesis deals with traditional media economics within the framework of theoretical macro- and microeconomics rather than with political economy. It aims to take an objective look at television financing and to show how market participants behave economically and how their behavior is changing due to the process of digitalization. As television becomes digitalized, its role in society and the characteristics defining informa-tion as an economic good will change, as well. On the one hand, television is a cultural and meritorious good, that constitutes public service broadcasting and fulfills the social mission stipulated in the state broadcasting law. On the other hand, television is a private good, and as such is traditionally valuated and marketed according to the rules of economic competition. The first part of my thesis provides a comprehensive overview and description of the analog revenue sources of broadcasting corporations. The ways in which television programming is funded can be defined and classified differently, e.g. some distinguish between fee-based, advertising-based, and mixed-funding systems, while categorization according to advertising-, audience- and service-based funding models is also widespread. Due to the digitalization of television, the conventional funding models of analog television are increasingly being replaced and supplemented by new models known from the Internet and network economy as described by Negroponte, Shapiro/Varian, and Ze-dick/Picot/Schrape. The second part of my thesis examines the impact of digitalization on television funding and describes the new and diversified revenue sources. Digitalization and new ways of distributing and transmitting information will inevitably lead to changes in the television market. The mission of public service television will be chal-lenged and will have to be reevaluated. This will not only affect television funding but will also require business models and their value chains to be adapted. New players will assert themselves on the television market, challenging current positions of power and perhaps ulti-mately even replacing current television providers.
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Piontek, Alexander. "Deciphering the Catalytic Mechanism of the Zn Enzyme Glutaminyl Cyclase and the Deduction of Transition-State Analog Inhibitors." Doctoral thesis, 2014. http://hdl.handle.net/11858/00-1735-0000-0022-605A-C.
Full textBooks on the topic "Zn 6050"
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Digital Image Processing: An Algorithmic Introduction. Springer International Publishing AG, 2023.
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Digital Image Processing: An Algorithmic Introduction using Java. Springer, 2007.
Find full textBook chapters on the topic "Zn 6050"
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Okumura, Taiga, Noriko Yamaguchi, and Toshihiro Kogure. "Structure, Composition, and Physicochemical Properties of Radiocesium-Bearing Microparticles Emitted by the Fukushima Daiichi Nuclear Power Plant Accident." In Agricultural Implications of Fukushima Nuclear Accident (IV), 63–78. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9361-9_8.
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AbstractDuring the accident at TEPCO’s Fukushima Daiichi Nuclear Power Plant, radiocesium-bearing microparticles (CsMPs) were released from damaged reactors into the environment. These micron-sized spherical particles with high specific radioactivity have not been reported in previous nuclear accidents. Herein, the current understanding of the structure, composition, and physicochemical properties of CsMPs is summarized. Electron microscopy revealed that the CsMP matrix is composed of silicate glass containing Na, Cl, K, Fe, Zn, Rb, Sn, and Cs as major constituents. These elements are often inhomogeneously distributed, depending on the particle radius, and Cs was concentrated around the outer side of the particles. In addition, nanocrystals including Cr-rich oxides and chalcogenides were frequently found inside CsMPs. The average valence state of Fe in the CsMP glass matrix was almost Fe2+, indicating formation under a reducing atmosphere through condensation from the gas phase. Radiocesium diffused away from the CsMPs when heated to >600 °C. Accordingly, CsMPs may lose their high specific radioactivity when related radiation-contaminated waste is incinerated at sufficiently high temperatures. Although CsMP solubility is low, they cannot be regarded as “insoluble” materials owing to their small size. CsMP dissolution rates depend on the pH and dissolved species in the solution, and their dissolution behavior is comparable to that of silica-rich glass. Based on these dissolution properties, a method for estimating CsMP abundance and spatial distribution in the environment was proposed. The findings detailed herein contribute to the comprehensive elucidation of CsMP environmental dynamics.
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Jorge Edmundo, MASTACHE-MASTACHE, LÓPEZ-RAMÍREZ Roberto, VIGUERAS-SANTIAGO Enrique, and HERMENEGILDO-MEJÍA Francisco Javier. "Obtaining Process of Zinc Oxide (ZnO) in laboratory with Evaporation and Thermal Oxidation." In Handbook Science of Technology and Innovation, 130–43. ECORFAN, 2022. http://dx.doi.org/10.35429/h.2022.3.130.143.
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The following project shows the results of experiments related to obtaining zinc (Zn) nanoparticles on glass substrates by the thermal evaporation process in a high-temperature tubular furnace at 800 ° C, with a flow of 400 sccm of inert gas (Argon) used as carrier gas, to deposit metallic Zn particles in the cold zone of the furnace, likewise the metallic Zn deposit samples were thermally treated with the intention of being used as a proposed n-type semiconductor material based on metallic oxides, which was formed through the thermal oxidation technique in the same high-temperature tubular furnace at 500°C, with air flow at 600 sccm to form an oxidizing environment and consequently form continuous layers of material Zinc Oxide (ZnO) and be analyzed morphologically with Scanning Electron Microscopy, structurally with X-ray Diffraction and electrically by placing metallic contacts. s to the samples to measure their Current-Voltage curves.
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Kokah Douglas, Reward. "Perspective Chapter: Rapid Measurement of Potentially Toxic Elements (PTEs) in Petroleum Hydrocarbons Polluted Soils by X-Ray Fluorescence (XRF) Spectroscopy." In Heavy Metals - Recent Advances [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108959.
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Potentially toxic elements (PTEs) contamination in soils threats human wellbeing and ecological health because of their toxicity and bioaccumulation. This research presents a portable Olympus Delta Premium 6000 Series XRF Analyser (Olympus, USA) as a rapid measurement tool (RMT) for PTEs: Cr, Cu, Fe, Pb, Mn, and Zn in contaminated soils in the Niger Delta, Nigeria. A total of 45 crude oil-contaminated soils were collected from three genuinely oil spill sites. The range of measured PTEs concentrations (mg/kg) in the study sites are as follows: Site 1: chromium (Cr) 54–75, copper (Cu) 5.4–16.6, iron (Fe) 14,841–23,404, lead (Pb) 13.5–21.4, manganese (Mn) 158–555, and zinc (Zn) 32.6–47.2; Site 2: (35–66), (5–16.1), (10166–20,967), (12–17.8), (209–440), (17.6–33.6); and Site 3: (32–115), (6.5–20.8), (7538–22,800), (12–135), (98–338), (19.9–177). The trend of PTEs across the three sites follows the same order: Fe > Mn > Cr > Zn > Pb > Cu. The average concentration values of PTEs in all the 3 sites were higher than background concentration values. Thus, crude oil spill spiked the PTEs concentrations. XRF spectroscopy is recommended as a cost-effective and RMT for PTEs in soils.
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Pradeep Santosh Kumar, B., Harika Sunkara, N. Chitti Babu, and Sridevi Veluru. "A NOVEL APPROACH IN SYNTHESIS OF NANO PARTICLES." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 17, 69–87. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs17p3ch2.
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The Synthesis Of Zinc Oxide Nanoparticles Using Plant’s Leaf Extract Is Shown In This Paper. By Using Zinc Acetate Dihydride (0.01M Zn(CH3CO2)2) React With Leaf Extract Of Tecoma Stans (Yellow Elder) At Different Concentrations With Maintaining Reaction Temperature At 600 C With 10 Ph A Precipitate Paste Is Obtained Which Is Filtered, Dried, Centrifuged By This We Had Prepared Zinc Oxide Nanoparticles Successfully And We Packed Those Powder For Further Analysis. In The UV Visible Spectrometer (UV-Vis) Absorption Peak Was Observed In Range Between 258nm To 378nm Which Is Specific For Zinc Oxide Nanoparticles. In The Characterization X-Ray Diffraction (XRD) Pattern The Average Size Of Nanoparticle Obtained Range Is In Between 3nm To 68nm And With Scanning Electron Microscope (SEM) The Nano Particle Shape Is In Spherical Form. By Seeing The Results Of Various Characterizations Obtained On Nanoparticles We Had Confirmed That The Zinc Oxide Nanoparticles Had Formed. In Which These Zinc Particles Possessed Properties Of Shine, Anti-Dust And Waterproof, So These Nanoparticles Particles Used In Paints Or Dyes As Anti-Dust And Waterproofing Agent And In Cosmetics For Shine. Also In This Paper We Explained Why Green Synthesis Method Is Chosen For Preparation Of Zinc Oxide Nanoparticles. The Green Synthesis (Biological) Method Was Found As Cost Effective With Better Results And Benefits And Eco-Friendly.
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Pooley, Justin, and Martin Fey. "Soil Nutrient Deficiencies in an Area of Endemic Osteoarthritis (Mseleni Joint Disease) and Dwarfism in Maputoland, South Africa." In Geology and Health. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195162042.003.0032.
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Unusually high incidences of dwarfism and an endemic osteoarthritis, called Mseleni Joint Disease (MJD), occur on the flat, sandy coastal plain of Maputaland. This rare disease begins with stiffness and pain in the joints and progresses to varying degrees of disability, with some of the afflicted requiring aid in walking and others completely immobile. Almost 3% of local adults are dwarfs, while 38% of women and 11% of men have MJD (Fellingham 1973, Lockitch 1974). Medical studies since the 1970s have examined hematological, radiological, mycotoxicological, and genetic factors, and made comparisons with other diseases (Ballo 1996, Burger 1973, Lockitch 1973, Marasas 1986), yet have been fruitless in determining the etiology of MJD or the dwarfism. Dwarfism has been linked to Zn deficiencies in other areas and several bone-related disorders have been associated with P, Ca, and Mg deficiencies (Hidiroglou 1980). Calcium, Mg, Mn, and F deficiencies have all been speculated as possible causative factors of MJD (Fincham 1981, 1986), and the possibility of soil-derived nutrient deficiencies within this landscape is addressed. Maputaland is located on the northeast corner of South Africa, occupying an area about 50 by 100 km. It has a warm, subtropical climate, with summer rainfall occurring as cyclonic events, and varying from 1000 mm at the coast to 600 mm near Mseleni. Summer temperatures are high, averaging 29° C, and winters mild at 17° C. The region has high floral and faunal diversity and endemism (van Wyk 1996), and contains 15 major vegetation zones. Geologically, Maputaland is covered with recent Quaternary sands, with several north-south paleodune cordons parallel to the coast. There is little relief and, besides the coastal dunes reaching almost 200 m above mean sea level, the average elevation is 100 m. No rivers cross the plain, but groundwater is frequently exposed at the surface, as evidenced by Lake Sibayi and the numerous pans in the region. Soils are mostly the Waterton family of the Fernwood form (thermic, coated Typic Quartzipsamments) (SCWG 1991, USDA 1999). These sands are inherently infertile, vary in pH from neutral to acidic, have a low cation exchange capacity, low organic matter content, and are dominated in the clay fraction by kaolinite.
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Overbay, William J., Tench C. Page, Dennis J. Krasowski, Mark H. Bailey, and Thomas C. Matthews. "Geology, Structural Setting, and Mineralization of the Dolores District, Chihuahua, Mexico." In Northern Sierra Madre Occidental Gold-Silver Mines, Mexico, 29–43. Society of Economic Geologists, 2010. http://dx.doi.org/10.5382/gb.42.ch03.
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Abstract The Dolores project is located in the Sierra Madre Occidental mountain range of northern Mexico, near the historic mining district of Dolores in the state of Chihuahua. Exploratory drilling by Minefinders Corporation, Ltd., began in 1996 and has resulted in the discovery of one of Mexico's largest undeveloped gold-silver deposits. The regional geologic history of the area is dominated by three phases of volcanism: (1) A period of intermediate composition volcanism that resulted in deposition of voluminous andesitic flows and volcaniclastics interlayered with lesser amounts of felsic ash (the Lower volcanic series). This occurred from ˜46 to 35 Ma, (2) The first phase was closely followed by eruption of dominantly felsic ash flow tuffs and flows of rhyolitic to latitic composition (the Upper volcanic series), which occurred between ˜35 and 27 Ma, (3) Finally, intermittent eruption of basaltic andesite in thin flows occurred from <27 to 3 Ma. Deposition of the Baucarit Formation, a conglomeratic basin-fill sedimentary unit with thin interlayers of basalt, also occurred in down-dropped basins during the Pliocene to Pleistocene, or approximately 5 to 1 m.y. ago. Definitive age dates for the mineralization at Dolores have yet to be established. Ages of vein-style Ag-Au mineralization throughout the Sierra Madre Occidental are reported to be between about 49 to 27 Ma (Clark et al., 1979). Geologic observations at Dolores suggest that mineralization occurred following the episode of voluminous andesitic volcanism and generally at the same time as deposition of the overlying latitic pyroclastic tuffs of the Lower volcanic series, because mineralization and alteration are generally confined to the andesites and the lowermost portion of the volcaniclastic rocks. It follows that the Dolores mineralization occurred prior to deposition of the Upper volcanic series and dates from about 38 to 35 Ma of age. Within the district, regional north-northwest-trending structures controlled emplacement of a series of porphyritic andesitic to latitic dikes and sills in conjunction with emplacement of several larger hypabyssal north-northwest-elongate, domal intrusive bodies that formed during deposition of the Lower volcanic series. Epithermal, low-sulfidation fluids, believed to be associated with the waning stages of the intrusive episode, deposited quartz-adularia and precious metals. Wider zones of mineralization formed within areas of higher permeability and where boiling and episodic hydrothermal brecciation were focused in areas of greater structural complexity. Consequently, the mineralization occurs both within high-level stockworks, breccias, and disseminations formed near the contact of the felsic volcaniclastic rocks with the underlying andesites and within more tightly confined north-northwest-trending feeders that continue to depth. Gold predominates in the higher levels of the system and can be found across widths of 100 m or more at an average grade of from 1 to up to 2 g/t. Mineralized feeders occur below these zones and can be from 2 to more than 20 m in width, with gold content of up to 10 to more than 200 g/t and silver content of 1 to more than 5 kg/t. In the studied resource area, Ag/Au ratios appear to be zoned about a central domal intrusive and vary from about 100:1 near the intrusive to less than 10:1 to the north and south. Trace element geochemistry includes variable Hg, As, and Sb in the higher elevations with increasing amounts of Pb, Zn, and minor Cu at depth. A combined program of reverse circulation and core drilling totaling 61,441 m in 291 holes has revealed mineralization that occurs within an area that is approximately 2,800 m long by more than 600 m across. Additional drill intercepts and surface geochemical assays outside of this area indicate the potential to increase the resource base throughout an overall area that is approximately 4,000 m by 1,200 m. A resource study within the most densely drilled 1,900 by 300 m area was completed in 2000. Economic analysis, based on work by a major international engineering firm, indicates that a bulk-minable resource of approximately 67 Mt, at a gold equivalent (Aueq) grade of 1.85 g/t, can be developed by open-pit mining methods. The total calculated resource within the study area is 100.1 Mt containing 2.45 Moz of gold and 129.7 Moz of silver, or 4.62 Moz of Aueq at a 60:1 ratio.
Conference papers on the topic "Zn 6050"
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Castro-Sánchez, G., R. Drew, J. Lemus-Ruiz, and G. Mendoza-Suarez. "Brazing WC-Co to Inconel 600 Using Carbon Nanotubes Reinforced Cu-Zn Filler Metal." In MS&T18. MS&T18, 2018. http://dx.doi.org/10.7449/2018mst/2018/mst_2018_816_821.
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Castro-Sánchez, G., R. Drew, J. Lemus-Ruiz, and G. Mendoza-Suarez. "Brazing WC-Co to Inconel 600 Using Carbon Nanotubes Reinforced Cu-Zn Filler Metal." In MS&T18. MS&T18, 2018. http://dx.doi.org/10.7449/2018/mst_2018_816_821.
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Holcomb, G. R., S. J. Bullard, B. S. Covino, S. D. Cramer, C. B. Cryer, and G. E. McGill. "Electrochemical Aging of Thermal Sprayed Zinc Anodes on Concrete." In ITSC 1996, edited by C. C. Berndt. ASM International, 1996. http://dx.doi.org/10.31399/asm.cp.itsc1996p0185.
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Abstract Thermal-sprayed zinc anodes are used in impressed current cathodic protection systems for some of Oregon's coastal reinforced concrete bridges. Electrochemical aging of zinc anodes results in physical and chemical changes at the zinc-concrete interface. Concrete surfaces heated prior to thermal-spraying had initial adhesion strengths 80% higher than unheated surfaces. For electrochemical aging greater than 200 kC/m2 (5.2 A-h/ft2), there was no difference in adhesion strengths for zinc on preheated and unheated concrete. Adhesion strengths decreased monotonically after about 400 to 600 kC/m2 (10.4 to 15.6 A-h/ft2) as a result of the reaction zones at the zinc-concrete interface. A zone adjacent to the metallic zinc (and originally part of the zinc coating) was primarily zincite (ZnO), with minor constituents of wulfingite (Zn(OH)2), simonkolleite (Zn5(OH)8Cl2H20), and hydrated zinc hydroxide sulfates (Zn4S04(OH)5xH20). This zone is the locus for cohesive fracture when the zinc coating separates from the concrete during adhesion tests. Zinc ions substitute for calcium in the cement paste adjacent to the coating as the result of secondary mineralization. The initial estimate of the coating service life based on adhesion strength measurements in accelerated impressed current cathodic protection tests is about 27 years.
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Mizuno, H., J. Kitamura, S. Osawa, and T. Itsukaichi. "Development of Durable Spray Coatings in Molten Aluminum Alloy." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p0080.
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Abstract A novel thermal spray material of MoB/CoCr with high durability in molten aluminum and/or zinc alloys has been developed to utilize for die casting parts and for galvanizing bath parts. The durability of the MoB/CoCr coatings prepared by high velocity oxy-fuel (HVOF) spraying has been investigated using a molten-metal immersing tester. It has been found that durability of the MoB/CoCr coating in the molten aluminum and Al-45%Zn alloys is much higher than that of the conventional surface treatments, such as physical vapor deposition, nitridation and spray coatings of conventional materials, such as WC/12%Co, WC/10%Co/4%Cr, Cr3C2/NiCr, Al2O3 and ZrO2-8%Y2O3. Preservation of the crystal structure and no decrease in coating thickness due to dissolution or delamination of the MoB/CoCr coating were seen after long term immersing test of about 600 hours. Further, the molten alloys were easily dropped from the specimens of the MoB/CoCr coatings during the immersing test, suggesting much lower reactivity. On the other hand, an adhesion of the alloys on the coating surface of other specimens was clearly observed. This means that the MoB/CoCr coating is excellent in increasing the lifetime of mechanical parts, which come into contact with molten metal and/or alloys.
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Hsu, Quang-Cherng, Shu-Ping Shi, and Chi-Peng Hsu. "Study on the Solid Welding Conditions of Hollow Extrusion of 7075 Aluminum Alloy." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40029.
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Direct extrusion by port hole–bridge die configuration has been successfully used to fabricate products with hollow cross sections for 6000 series aluminum alloys. When these aluminum alloys flow through the upper die (with bridge and port hole) material flows separately. These separate materials contact together when they flow through the lower die (with welding chamber). The contacting and welding processes occurs naturally if the material temperature and contact pressure are suitable; then the product with hollow and complicated cross section will be obtained when the material flow through bearing regions in lower die. This solid welding process for 6000 series aluminum alloys is without any problem. However, if for 7000 series aluminum alloys this situation alerts since different alloy compositions such as Zn and Cu causing welding process in lower die failed. It will impede the success of industry application with light and high strength aluminum alloys. In order to determine the solid welding conditions during hollow extrusion with port-hole die structure for high strength aluminum alloy such as 7000 series, an easy tooling configuration has been designed. Based on this approach, two split and half die components with taper angle feature were inserted into an outer steel ring. In the beginning, some clearances happen between inner die and outer ring result from design in purpose. When the upper punch continues to press the testing billet, the clearance disappears gradually due to the designed taper angle of inner die and outer ring. However, when the pushing pressure from upper punch is over 350 Mpa and billet temperature is maintained at about 480C below melting temperature, small gaps between the two split half die components occur automatically. During this situation, two small flashes can flow into the opening gaps both from the upper and lower billets which then can weld together. However, these two upper and lower billets in direct pressing zone did not weld together. Several experiments at different pressure have been conducted and the best solid welding condition has been obtained. The proposed method (die configuration) is easy and cheap because there is no necessary to conduct experiment in controlled environment such as in vacuum chamber of Gleeble test or in a protective atmosphere. The grain size and grain structure as well as grain flow have been discussed in the proposed paper for testing parts in direct pressing zone and in flash zone. Some SEM photos and EDS analysis have been prepared and will be presented in this paper.
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Hendricks, Terry J., Bill J. Nesmith, and Jonathan Grandidier. "Temperature-Staged Thermal Energy Storage Enabling Low Thermal Exergy Loss Reflux Boiling in Full Spectrum Solar Systems." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67013.
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Hybrid full spectrum solar systems (FSSS) designed to capture and convert the full solar wavelength spectrum use hybrid solar photovoltaic/thermodynamic cycles that require low thermal exergy loss systems capable of transferring high thermal energy rates and fluxes with very low temperature differentials and losses. One approach to achieving this capability are high-heat-flux reflux boiling systems that take advantage of high heat transfer boiling and condensation mechanisms. Advanced solar systems are also intermittent by their nature and their electrical generation is often out-of-phase with electric utility power demand, and their required power system cycling reduces efficiency, performance (dispatchability), lifetime, and reliability. High temperature thermal energy storage (TES) at 300–600°C enables these reflux boiling systems to simultaneously store thermal energy internally to increase the energy dispatchability of the associated solar system, as this can increase the power generation profile by several hours (up to 6–10 hours) per day. Many TES phase change materials (PCM’s) exist including KNO3, NaNO3, LiBr/KBr, MgCl2/NaCl/KCl, Zn/Mg, and CuCl/NaCl, which have various operating melting points and different latent heats of fusion. Common, cost effective TES PCM’s are FeCl2/NaCl/KCl mixtures, whose phase change temperature can be varied and controlled by simple composition adjustments. This paper presents and discusses unique “temperature-staged” thermal energy storage configurations using these TES materials and analysis of such systems integrated into high-heat-flux reflux boiling systems. In this specific application, the TES materials are designed to operate at staged temperatures surrounding an operating design point near 350°C, while providing 18 kW of source heat transfer to operate a thermoacoustic power system during off-sun conditions (e.g., temporary cloud conditions, after sun-down). This work discusses relevant configurations, and critical thermal and entropy models of the TES configurations, which show the inherent minimization of thermal exergy during critical heat transfers within the configurations and systems envisioned.
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Kang, Ki Moon, Hyo-Won Kim, Il-Wun Shim, and Ho-Young Kwak. "Syntheses of Specialty Nanomaterials at the Multibubble Sonoluminescence Condition." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68320.
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In recent years, a large number of nano-size semiconductors have been investigated for their potential applications in photovoltaic cells, optical sensor devices, and photocatalysts [1, 2, 3]. Nano-size semiconductor particles have many interesting properties due mainly to their size-dependent electronic and optical properties. Appropriately, many speciality of nanomaterials such as CdS and ZnS semiconductor particles, and other metal oxides such as ZnO and lithium-titanate oxide (LTO) have been prepared. However, most of them were prepared with toxic reactants and/or complex multistep reaction processes. Particularly, it is quite difficult to produce LTO nanoparticles, since it typically requires wearisome conditions such as very high temperature over 1000 °C, long producing times, and so on. To overcome such problems, various core/shell type nanocrystals were prepared through different methods such as the hydrothermal synthetic method, microwave, and sonochemistry. Also many coating methods on inorganic oxide nanoparticles were tried for the preparations of various core-shell type nanocrystals. Sonoluminescence (SL) is a light emission phenomenon associated with the catastrophic collapse of a gas bubble oscillating under an ultrasonic field [4]. Light emission of single bubble sonoluminescence (SBSL) is characterized by picosecond flashes of the broad band spectrum extending to the ultraviolet [5, 6]. The bubble wall acceleration has been found to exceed 1011 g at the moment of bubble collapse. Recently observed results of the peak temperature and pressure from the sonoluminescing gas bubble in sulfuric acid solutions [9] were accurately predicted by the hydrodynamic theory for sonoluminescence phenomena [7, 10, 11, 12], which provides a clue for understanding sonochemical reactions inside the bubble and liquid layer adjacent to the bubble wall. Sonochemistry involves an application of sonoluminescence. The intense local heating and high pressure inside the bubbles and liquid adjacent bubble wall from such collapse can give rise to unusual effects in chemical reactions. The estimated temperature and pressure in the liquid zone around the collapsing bubble with equilibrium radius 5 μm, an average radius of bubbles generated in a sonochemical reactor at a driving frequency of 20 kHz with an input power of 179 W, is about 1000 °C and 500 atm, respectively. At the proper condition, a lot of transient bubbles are generated and collapse synchronistically to emit blue light when high power ultrasound is applied to liquid, and it is called multibubble sonoluminescence (MBSL). Figure 1 shows an experimental apparatus for MBSL with a cylindrical quartz cell, into which a 5 mm diameter titanium horn (Misonix XL2020, USA) is inserted [13]. The MBSL facilitates the transient supercritical state [14].in the liquid layer where rapid chemical reactions can take place. In fact, methylene blue (MB), which is one of a number of typical textile dyestuffs, was degraded very fast at the MBSL condition while MB does not degrade under simple ultrasonic irradiation [13]. MBSL has been proven to be a useful technique to make novel materials with unusual properties. In our study, various metal oxides such as ZnO powder [15], used as a primary reinforcing filler for elastomer, homogeneous Li4Ti5O12 nanoparticles [16], used for electrode materials, and core/shell nanoparticles such as CdS coating on TiO2 nanoparticles [17] and ZnS coating on TiO2 nanoparticles [18], which are very likely to be useful for the development of inorganic dye-sensitized solar cells, were synthesized through a one pot reaction under the MBSL condition. Figure 2 shows the XRD pattern of ZnO nanoparticles synthesized from zinc acetate dehydrate (Zn(CH3CO2)2 · 2H2O, 99.999%, Aldrich) in various alcohol solutions with sodium hydroxide (NaOH, 99.99%, Aldrich) at the MBSL condition. The XRD patterns of all powers indicate hexagonal zincite. The XRD pattern for the ZnO nanoparticles synthesized is similar to the ZnO powder produced by a modified sol-gel process and subsequent heat treatment at about 600 °C [19] as shown in Fig.3. The average particle diameter of ZnO powder is about 7 nm. A simple sonochemical method for producing homogeneous LTO nanoparticles, as shown schematically in Fig. 4. First, LiOH and TiO2 nanoparticles were used to prepare LiOH-coated TiO2 nanoparticles as shown in Fig.5. Second, the resulting nanoparticles were thermally treated at 500 °C for 1 hour to prepare LTO nanoparticles. Figure 6 shows a high resolution transmission electron microscope image of LTO nanoparticles having an average grain size of 30–40 nm. All the nanoparticle synthesized are very pure in phase and quite homogeneous in their size and shape. Recently we succeeded in synthesizing a supported nickel catalyst such as Ni/Al2sO3, MgO/Al2O3 and LaAlO3, which turned out to be effective for methane decomposition [20]. Sonochemistry may provide a new way to more rapidly synthesize many specialty nanoparticles with less waste [21]. This clean technology enables the preparation of new materials such as colloids, amorphous particles [22], and various alloys.