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Добірка наукової літератури з теми "HPS MN 100"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "HPS MN 100"

Grigorev, M., M. Lebedeva, O. Manaenkov, and A. Filatova. "Cellobiose hydrogenation to D-sorbitol using Ru/HPS MN 100 catalyst." Bulletin of Science and Practice 4, no. 12 (2018): 101–5. https://doi.org/10.5281/zenodo.2254889.

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This work is devoted to the process of cellobiose (4-O–beta–D–glucopyranosyl–D–glucose) hydrogenation to D–sorbitol, which is valuable raw material for food, chemical, and pharmaceutical industries. The data on the regularities of the catalytic hydrogenation of cellobiose to D–sorbitol are presented in this work. Cellobiose hydrogenation was performed in a batch reactor. The catalytic system presented by 3 wt. % ruthenium supported on the hypercrosslinked polystyrene (HPS) was used as a catalyst for cellobiose hydrogenation. The catalyst was produced b

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Matveeva, V. G., O. V. Manaenkov, A. E. Filatova, et al. "Hydrolytic Hydrogenation of Cellulose with the Use of the Ru-containing Polymeric Catalysts." MOLECULAR SCIENCES AND APPLICATIONS 1 (July 14, 2021): 35–41. http://dx.doi.org/10.37394/232023.2021.1.7.

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The study presents the results of cellulose hydrolytic hydrogenation process in subcritical water in the presence of Ru-containing catalysts based on hypercrosslinked polystyrene (HPS) MN-270 and its functionalized analogues: NH2-HPS (MN-100) and SO3H-HPS (MN-500). It was shown that the replacement of the traditional support (carbon) by HPS increases the yield of the main cellulose conversion products – polyols – important intermediates for the chemical industry. The catalysts were characterized using transmission electron microscopy (TEM), high resolution TEM, and porosity measurements. Catal

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Grigorev, M., M. Lebedeva, O. Manaenkov, V. Doluda, A. Filatova, and V. Matveeva. "Hydrogenation of d-mannose to d-mannite using the catalyzer Ru/MN 100." Bulletin of Science and Practice, no. 12 (December 11, 2017): 118–24. https://doi.org/10.5281/zenodo.1101190.

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This work is devoted to the process of hydrogenation of D–mannose to D–mannitol, which is valuable raw material for food, chemical and pharmaceutical industries. Experimental data on catalytic hydrogenation of D–mannose to D–mannitol, i. e. the dependence of the substrate conversion on temperature (varied from 393 up to 493 K), partial hydrogen pressure (varied from 20 atm up to 80 atm) and concentration of D–mannose (varied from 0.1 mol/L up to 0.6 mol/L), are presented in this work. The dependence of selectivity of the catalytic hydrogenation process on the

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Максим Евгеньевич, Григорьев,, and Сидоров, Александр Иванович. "DETERMINATION OF CHARACTERISTICS OF THE SURFACE OF THE CATALYST Ru/HPS MN 100 (H2)." Вестник Тверского государственного университета. Серия: Химия, no. 3(49) (October 28, 2022): 29–38. http://dx.doi.org/10.26456/vtchem2022.3.4.

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В статье показана значимость использования метода низкотемпературной адсорбции азота для анализа поверхности каталитических систем. Этим методом был исследован гетерогенный катализатор Ru/СПСMN 100 (Н). Данный катализатор показал высокие значения конверсии и селективности по многоатомным спиртам при его использовании в процессе жидкофазного гидрирования моно- и дисахаридов (глюкозы, ксилозы, мальтозы, маннозы, лактозы до соответствующих полиолов).Полученная изотерма адсорбции для Ru/СПСMN 100 (Н2)была отнесена к одному из типов изотерм по классификации Брунауэра, а также охарактеризована петля

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Григорьев, Максим Евгеньевич, Олег Викторович Манаенков, Валентина Геннадьевна Матвеева, and Роман Викторович Бровко. "APPLICABILITY OF THE LANGMUIR-HINSHELWOOD MODEL TO HYDROGENATION OF MONO - AND DISACCHARIDES ON THE Ru/HPS MN 100 CATALYST." Вестник Тверского государственного университета. Серия: Химия, no. 3(41) (November 10, 2020): 29–40. http://dx.doi.org/10.26456/vtchem2020.3.4.

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В данной статье представлены данные по физико-химическому исследованию гетерогенного рутений содержащего катализатора Ru/СПС MN 100. Представлена важность таких исследование для изучения каталитических реакций, для установления возможного механизма реакции гидрирования, а так же как дополнения при кинетических исследованиях. В статье катализатор исследован методом низкотемпературной адсорбции азота, хемосорбции водорода, просвечивающей электронной микроскопии (ПЭМ) и рентгенофотоэлектронной спектроскопии (РФЭС). Метод низкотемпературной адсорбции азота позволил установить, что катализатор хара

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Григорьев, Максим Евгеньевич, Роман Викторович Бровко, and Евгений Олегович Долуда. "THE USE OF ULTRASOUND IN THE PREPARATION OF THE CATALYST Ru/HPS MN 100 AND ITS ACTIVITY IN THE PROCESS OF HYDROGENATION OF XYLOSE AND LACTOSE." Вестник Тверского государственного университета. Серия: Химия, no. 3(45) (October 18, 2021): 41–48. http://dx.doi.org/10.26456/vtchem2021.3.5.

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В работе рассмотрена возможность использование ультразвука при получении рутений содержащей каталитической системы Ru/СПС MN 100. Проведено кинетическое тестирование данного катализатора и сравнение его активности с таким же катализатором, но синтезированным без использования ультразвука, в процессе гидрирования ксилозы и лактозы до соответствующих полиолов - ксилита и лактита. Процесс гидрирования осуществлялся в реакторе периодического и непрерывного действия при оптимальных условиях (температуре, концентрации моно- и дисахарида, парциальном давлении водорода, скорости подачи водного раствор

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CAMPESE, C., S. JARRAUD, C. SOMMEN, C. MAINE, and D. CHE. "Legionnaires' disease in France: sensitivity of the mandatory notification has improved over the last decade." Epidemiology and Infection 141, no. 12 (2013): 2644–49. http://dx.doi.org/10.1017/s0950268813000502.

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SUMMARYThe notification rate of Legionnaires' disease (LD) in France was 2·4/100 000 population in 2010, varying across regions with an increasing rate from west to east. Two sources [mandatory notifications (MN) and a survey of hospital laboratories] were used in a capture–recapture study to estimate the number of LD cases and the sensitivity of the MN system at national and regional levels in 2010. The number of missed cases was estimated using Chapman's method. The estimated sensitivity of MN was 88·5% (95% CI 88·0–89·0) and ranged from 70% to 100% by region. The estimated incidence was 2·7

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Rathore, Mala, and Hemant Kumar. "Cordia gharaf : An important lesser known fruit tree of Rajasthan." INTERNATIONAL JOURNAL OF PLANT SCIENCES 16, no. 2 (2021): 131–34. http://dx.doi.org/10.15740/has/ijps/16.2/131-134.

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Cordia gharaf is a small bushy tree or a large shrub belonging to family Boraginaceae found growing in the arid and semi-arid tropics. It is mainly important due to its ethnopharmacological and chemotaxonomic properties but also has edible fruits which contribute significantly to the food and energy needs of rural populations. Fruits are sweet and mucilaginous and much relished by children. These are either eaten raw or cooked, often put in porridge and used as a sugar substitute. They are often sold in the local market of Jodhpur, Rajasthan, at about Rs. 80-100/- per kg. Owing to edible and m

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Pappa, F. K., C. Tsabaris, H. Kaberi, et al. "Radiotoxic metals concentration measurement in sediments due to gold mining activities, Chalkidiki." HNPS Proceedings 22 (March 8, 2019): 102. http://dx.doi.org/10.12681/hnps.1939.

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The mining operation and tailing deposits in Stratoni region, Northern part of Greece, make monitoring activities necessary both in the terrestrial and coastal areas. As a part of a preliminary monitoring action, in summer of 2012, surface sediment samples in the coastal area of Stratoni (in Ierissos Gulf) were collected and measured aiming a) to obtain concentration levels of (Natural Occurring Radioactive Materials) NORM and heavy metals (e.g. As, Zn, Cu, Pb and Mn,), b) to identify minerals composition and c) to determine the distribution of the grain size. The activity concentrations of 23

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Song, Guolin, Chengzhu Shen, David Bassir, and Qiulin Li. "A Symmetry Concept for the Self-Assembly Synthesis of Mn-MIL-100 Using a Capping Agent and Its Adsorption Performance with Methylene Blue." Symmetry 15, no. 7 (2023): 1334. http://dx.doi.org/10.3390/sym15071334.

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In this study, a facile strategy of regulated self-assembly synthesis of Mn-MIL-100, using sodium acetate (CH3COONa) as a mono-dentate ligand capping agent (CA), was proposed. The as-prepared product is denoted Mn-MIL-100-CA. The coordination modulation of CH3COONa, led by its interference in the connectivity and symmetry of the metal centers and organic nodes, plays a vital role in the synthesis process. The crystallinity, morphology, topology, and properties of such MOF products were improved, since the self-assembly process of Mn-MIL-100-CA was promoted and regulated effectively. The materi

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Частини книг з теми "HPS MN 100"

Sharma, Sunny, and Karl-Dieter Entian. "Chemical Modifications of Ribosomal RNA." In Ribosome Biogenesis. Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2501-9_9.

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AbstractCellular RNAs in all three kingdoms of life are modified with diverse chemical modifications. These chemical modifications expand the topological repertoire of RNAs, and fine-tune their functions. Ribosomal RNA in yeast contains more than 100 chemically modified residues in the functionally crucial and evolutionary conserved regions. The chemical modifications in the rRNA are of three types—methylation of the ribose sugars at the C2-positionAbstract (Nm), isomerization of uridines to pseudouridines (Ψ), and base modifications such as (methylation (mN), acetylation (acN), and aminocarbo

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Schweitzer, George K., and Lester L. Pesterfield. "Reactions and Applications." In The Aqueous Chemistry of the Elements. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195393354.003.0005.

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E–pH diagrams involve two types of reactions: (1) Non-redox full reactions and (2) Redox half-reactions. Non-redox full reactions are exemplified by ones such as Mn(OH)2 + 2H+ → Mn+2 + 2HOH. This is not a redox (reduction–oxidation) reaction, since there are no changes in oxidation numbers of the elements. Such reactions are reflected as vertical lines on E–pH diagrams. An example of a redox half-reaction is 2e− + Mn+2 → Mn. As can be seen, this is a redox reaction, since electrons appear in the equation, and there is an oxidation number change (II to 0 for Mn). Such reactions are represented

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Fučić Aleksandra, Gamulin Marija, Druzhinin Vladimir, and Katić Jelena. "Age-Related Difference in Genome Damage After Exposure to Ionizing Radiation in Living Environment." In NATO Science for Peace and Security Series - E: Human and Societal Dynamics. IOS Press, 2010. https://doi.org/10.3233/978-1-60750-645-4-103.

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For the last few decades genome damage caused by exposure to ionizing radiation has been estimated with the use cytogenetical methods like chromosome aberration assay (CA), micronucleus assay (MN), or since recently fluorescent in situ hybridisation. However, all available studies on reliability of CA and MN to predict cancer risk are done on adult population while data concerning children are mostly related to those collected after the Chernobyl nuclear accident. After industrial nuclear accident exposures, several long-term follow-up studies have shown a higher level of genome damage and hig

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Gordeev, V. V., L. L. Demina, and T. N. Alekseeva. "Some geochemical features of the major element composition of the surface bottom sediments of the Barents sea." In THE BARENTS SEA SYSTEM. Shirshov Institute of Oceanology Publishing House, 2021. http://dx.doi.org/10.29006/978-5-6045110-0-8/(30).

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The results of determination of the major element composition of 34 surface bottom sediment samples of the Barents sea are presented in this chapter. The main sources of sedimentary material supply to the sea – river discharge, aeolian input and other – were considered. It was shown that the available own and literature data did not allow to obtain an adequate estimation of entering sedimentary material balance in the sea. The comparison of the compositions of bottom sediments (sands, aleurites, pelites) and of predominated in the sea basin rocks has demonstrated the prevailed terrigenous mate

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Wilson, Robin. "Mn=2n−1andFn=22n+1." In Sum Stories. Oxford University PressOxford, 2025. https://doi.org/10.1093/oso/9780199607907.003.0008.

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Abstract This chapter is about prime numbers. A ‘prime number’ is a positive integer whose only factors are itself and 1; for example, 13 and 17 are primes, but 15(=3 × 5) is not. After listing all the prime numbers up to 1000, the story describes Eratosthenes’s sieve for generating lists of primes, presents Euclid’s proof that there are infinitely many primes, and explains how positive integers can be written as products of prime numbers – for example, 90=2 × 3 × 3 × 5. This chapter then presents various historical attempts to generate lists of primes. For example, Leonhard Euler observed tha

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Koridze, Marina, Marina Nagervadze, Maria Sarkhaiani, et al. "The Study of Some Possible Risk Factors for Arterial Thrombosis in the Example of Georgian Patients." In Erythrocyte - A Peripheral Biomarker For Infection and Inflammation. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96121.

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Cardiovascular diseases (CVD) are the most common cause of death worldwide. As arterial as venous thrombosis are major cause’s morbidity and mortality. There is an exponential increase in the risk of arterial and venous thrombotic events with age, gender, smoking habits, diet type etc. The association of arterial and venous thrombosis and ABO histo-blood group is well established. Our research aim was to find a possible relationship between age, gender, smoking habit, ABO, Rh, Kell, MN blood group and arterial thrombosis in the example of the Georgian population. The study material comprised t

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Schweitzer, George K., and Lester L. Pesterfield. "The V–Cr–Mn Group." In The Aqueous Chemistry of the Elements. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195393354.003.0016.

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The three elements to be treated in this chapter (V, Cr, Mn) are the third, fourth, and fifth members of the first transition series. The first two members (Sc, Ti) have been treated in previous chapters (Chapters 12 and 13). The ten elements of this first transition series (Sc through Zn) are characterized by electron activity in the 3d–4s levels. All elements in the 3d transition series are metals, and many of their compounds tend to be colored as a result of unpaired electrons. Most of the elements have a strong tendency to form complex ions due to participation of the d electrons in bondin

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Mariglia, Mario, and Edineldo Lans-Ceballos. "Removal of Heavy Metals and Purification of Surface Waters." In Environmental Sciences. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005095.

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In many parts of the world, the removal of heavy metals and turbidity in surface waters for potabilization is a focus of study, as it has become a public health problem. Many researchers develop methodologies for the removal of heavy metals; however, these are generally difficult to implement in rural areas due to the danger associated with the use of chemical reagents by individuals with little or no education. That is why this chapter aims to conduct a comprehensive literature review, including an original research project developed by our working group, to identify affordable methods for th

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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 compar

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"Preliminary investigation of Po-210 and heavy metals in cigarettes sold in Kazakhstan." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.31.8.

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Smoking various tobacco products is a well-known lung cancer risk, with cigarettes containing risk factors such as natural radioactive isotopes and heavy metals. Kazakhstan has a tobacco consumption rate close to the world average, 20% of the population smokes, with tobacco use reaching 36.5% amongst men [1]. Despite its importance for public health, there are relatively few studies on the radionuclide content of cigarettes sold in Kazakhstan, with some data available for Pb-210 content [2], showing levels comparable to previously reported in Hungary [3]. To better evaluate the risk posed to t

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Тези доповідей конференцій з теми "HPS MN 100"

Habib, K., and A. Abdullah. "The Nonaqueous Inhibition of Fe-Co-B-Si Amorphous Electrodes: an A.C. Impedance Study in HCl Solutions." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95642.

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Abstract An electrochemical study on Fe-Co-B-Si amorphous electrodes has been conducted. The study was focused on determining the electrochemical impedance spectroscopy (EIS) of four different alloys of Fe-Co-B-Si in various HCl acid solutions. The A.C. impedance and the capacitance of Fe-Co-B-Si, Co-Fe-Ni-B-Si, Co-Fe-Mn-B-Si, and Co-Fe-Ni-Mo-B-Si alloys were obtained in 25, 50, 75 and 100% of HCl acid at room temperature. Electrochemical parameters, i.e., impedance, were found to vary depending on additions of the Ni, Mn, Ni-Mo to Fe-Co-B-Si alloys the acid concentration, and the nanoscopic s

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Jaeger, Paul, Luis F. Garfias-Mesias, and William H. Smyrl. "An Investigation into the Inhibition of Different VCIs for the Protection of Aluminum 2024 in the Presence of H2S and SO2." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98234.

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Abstract Aluminum was used to investigate the mass change associated with different Volatile Corrosion Inhibitors (VCIs) by using the Quartz Crystal Microbalance (QCM) and aluminum 2024 was characterized using a Scanning Electron Microscope (SEM). An atmosphere containing H2S, SO2, H2SO4, NH4Cl and KBr at a Critical Relative Humidity (CRH) of 80 and up to 100% and where temperatures were between 5 and 50°C was used to corrode the aluminum 2024. The SEM images of the uninhibited 2024 samples revealed a highly corroded surface, whereas the inhibited samples showed less attack after exposure to t

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Staats, J. C., and G. M. Buchheim. "A New Practical Method for Prioritizing Equipment in HTHA Service for Inspection and Replacement and the Challenges in Obtaining Process Conditions to be Used in the HTHA Assessment." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07233.

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Abstract High Temperature Hydrogen Attack (HTHA) is a complex damage mechanism that continues to defy investigators trying to make predictions on the anticipated degree of damage or service life. This article provides some background on HTHA, discusses some current developments in HTHA inspection and mitigation, and describes how several refiners have instituted an HTHA risk management plan for their refineries and the challenges and pitfalls they have encountered. This paper also describes a new innovative screening methodology that has been used to screen over 100 equipment items operating i

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Mack, Robert, and Andrei Filippov. "The Effects of Cold Work and Strain Aging on the Hardness of Selected Grades of OCTG and on the SSC Resistance of API P-110." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02066.

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Abstract The in-situ permanent expansion of casing and tubing is rapidly becoming implemented in oil and gas well completions. Over 25,000 feet of solid, not slotted, casing have been expanded downhole by one company since November 1999. Previous laboratory work has shown that tubular expansion affects the toughness of the final product; however, proper material selection of the product to be expanded can yield a final product with acceptable toughness. Recently, laboratory expansion of selected grades of seam welded and seamless OCTG steels has been used to study the effects of expansion (col

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Habib, K. "Stress Corrosion Cracking of Fe-Co-B-Si Metallic Glasses in Hcl Solutions." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94222.

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Abstract A study on the susceptibility of various iron-cobalt-boron-silicon metallic glasses to stress- corrosion cracking has been conducted. Testing was carried out on thin metallic ribbons of Fe78B13Si9, Fe66Co18B15Si1, Co66Fe4Ni1B14Si15, Co76Fe2Mn4B12Si6, and Co69Fe4Ni1Mo2B12 Si12 in 0%, 25%, 50%, 75%, and 100% Hydrochloric acid solutions at room temperature. The tests were performed under constant-strain conditions in the various solutions until complete separation of the ribbons occurred. Typical fractographic techniques were used for analyzing the failure of the glasses. The results ind

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Kappes, Mariano, Mariano Iannuzzi, Ricardo M. Carranza, R. J. Blair, and Raul B. Rebak. "Electrochemical Behavior of Nickel-Containing LAS in Deaerated TM0177 Solution A." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05818.

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Abstract Low alloy steels (LAS) are extensively used in oil and gas (O&G) production due to their good mechanical properties and low cost. NACE MR0175/ISO15156 specifies a maximum of 1wt% nickel (Ni) in LAS. That is, the NACE/ISO restriction excludes a significant number of high-strength and high-toughness alloys, such as Ni-Chromium (Cr)-Molybdenum (Mo), Ni-Mo and Ni-Cr-Mo-Vanadium (V) grades, for sour service applications. Ni is desirable in LAS because it: a) increases hardenability, strength, and fracture toughness, b) has a low penalty on weldability, and c) lowers the ductile to brit

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Ozturk, Bahri, John J. Dunn, and John F. Grubb. "A New Lean Austenitic Alloy with Comparable Properties to Type 316L SS." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09374.

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Abstract A new, lean, molybdenum-containing austenitic stainless steel with lower nickel and molybdenum content has been developed. This alloy, currently identified as ATI 216HP™, has properties comparable to Type 316L stainless steel, and was developed to be used in the environments where Type 316L currently is used. In the absence of a UNS designation assignment, the alloy is identified as S216XX alloy in this paper. An UNS number for this alloy will be obtained later. The composition of S216XX alloy (nominally 18%Cr, 4.5% Ni, 5.0% Mn, 1.0 %Mo and 0.19% N, balance Fe) provides this alloy wit

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Sirait, Makmur, Karya Sinulingga, and Nurdin Siregar. "The Effect of Zeolite Particle Size on Adsorption on Heavy Metals." In The 4th International Conference on Science and Technology Applications. Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-we7xof.

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Zeolite Pahae an adsorbent material by activating physical and chemical processes has been synthesized. The methods used are ball milling and coprecipitation methods. Zeolite was ball milling and activated, then sieved using 100 mesh and 200 mesh sieves. To obtain nanozeolite, a ball mill and coprecipitation were carried out to obtain a size of 9.08 nm. The X-Ray Diffraction (XRD) results showed that the zeolite structure is tetragonal. Zeolite is used as a heavy metal adsorbent. Atomic Absorption Spectroscopy (AAS) method can determine how much zeolite can absorb heavy metals. The results of

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Alcolea, Marla, Renata Moraes Brito, Mahmi Fujimori, Adenilda Cristina Honorio-França, Eduardo Luzia França, and Paula Becker Pertuzatti. "IMMUNOMODULATORY EFFECTS OF HONEY FROM STINGLESS BEES AND HONEY BEES ON BREAST CANCER CELLS." In Brazilian Breast Cancer Symposium 2022. Mastology, 2022. http://dx.doi.org/10.29289/259453942022v32s2002.

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Objective: The limitations of current cancer treatments and their side effects have led to a growing interest in the study of natural compounds and alternative therapies such as apitherapy. Honey has in its constitution several substances that contribute to neutralize free radicals, such as phenolic compounds of which stand out in flavonoids and phenolic acids, besides having important antimicrobial and antitumor activities. However, the mechanisms of the antitumor action of honey and how the characteristics of honey of different species influence this mechanism are poorly understood. The aim

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Waldman, Amir, and Sanford Ruhman. "Coherent Evolution Following Photolysis of Mn2(CO)10." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/up.1994.tud.14.

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In this letter we report a study of Mn2(CO)10 photodissociation using photoselective transient transmission on a 100 fsec timescale. Absorption in the UV is known to induce both metal-metal bond fission, as well as decarbonylation, leading to Mn(CO)5 and Mn2(CO)9 as primary photoproducts1. The overall quantum efficiency for decomposition is ~0.4, three quarters of which involves the metallic bond breaking. Flash photolysis studies have associated the Mn(CO)5 and Mn2(CO)9 with transient absorption bands centered at 800 and 500 nm respectively2. The former has been studied extensively through ul

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Звіти організацій з теми "HPS MN 100"

Ruangpornvisuti, Vithaya. Surfaces properties of Zirconia and its adsorption of gases : Research report. Chulalongkorn University, 2015. https://doi.org/10.58837/chula.res.2015.36.

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The adsorption of CO and NH₃ gases on the cubic ZrO2 (110) surface was investigated by two–dimensionally periodic slab model DFT method. The relative adsorption energies of these gases on the cubic ZrO₂ (110) surface is in order: NH₃ > CO. The adsorption energies of NH3 on the cubic ZrO₂ (110) surface are –27.62 and –25.51 kcal/mol, obtained using the PBE0 and B3LYP methods, respectively. The CO adsorption on the cubic ZrO2 (110) surface –11.39 and –9.81 kcal/mol, obtained using the PBE0 with rigid and flexible models, respectively. The geometry optimizations of zirconia nanoparticle (ZrO₂–

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Pesis, Edna, Elizabeth J. Mitcham, Susan E. Ebeler, and Amnon Lers. Application of Pre-storage Short Anaerobiosis to Alleviate Superficial Scald and Bitter Pit in Granny Smith Apples. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7593394.bard.

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There is increased demand for high quality fruit produced and marketed with reduced chemical inputs to minimize toxic effects on human health and the environment. Granny Smith (GS) apple quality is reduced by two major physiological disorders, superficial scald and bitter pit (BP). These disorders cause great loss to apple growers worldwide. Superficial scald is commonly controlled by chemical treatments, mainly the antioxidant diphenylamine (DPA) and/or the ethylene action inhibitor, 1-methylcyclopropene (1–MCP). Both chemicals are ineffective in controlling bitter pit incidence. We proposed

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