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Journal articles on the topic 'Steam-volatile matter'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Syritsyn, Leonid, Genadij Vlasov, and Viatcheslav Tchemerinski. "APPLICATION OF VOLATILE ADSORPTION PROCESS TO TIRE COMPONENT STOCK PREPARATION TECHNOLOGY EMPLOYING AIR-STEAM BED CONVEYOR TRANSPORT." JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 13, no. 2 (2005): 73–80. http://dx.doi.org/10.3846/16486897.2005.9636849.

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The paper describes technical and environmental aspects of hardware implementation of air‐steam bed conveyor system aimed at creating a pollution‐free zone at the stock preparation department of a tire factory. The approach presented will facilitate volatile compound adsorption into the air‐steam space from an adhesive film formed by assembling solution on the tread surface. A model of saturated adsorbent desorption, with electric contact heat applied, is developed. The results of mathematical modeling of assembling solution‐volatile matter adsorption are presented.

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Wulandari, Nurfitri, Arifin Arifin, and Govira Christiadora Asbanu. "Utilization of Organic and Plastic Waste as Solid Fuel for Steam Power Plants 3 Parit Baru Site Bengkayang." Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan 21, no. 2 (2024): 390–403. https://doi.org/10.14710/presipitasi.v21i2.390-403.

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The problem of organic and non-economic LDPE plastic waste, which is abundant in the Singkawang City landfill, is accompanied by the reduced availability of coal as a fuel for steam power plants. Therefore, this study utilizes organic and plastic waste as biomass fuel that can be used in steam power plants using the co-firing method. This research aims to identify the characteristics, analyze the optimal composition based on SNI 8966:2021, and examine the influence of solid fuel composition. The research method used four composition variations: 100:0%, 95:5%, 85:15%, and 75:25. The best averag

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Rojas Ruiz, Fernando Andrés, Jorge Armando Orrego Ruiz, Eduardo Jose Manrique Ventura, Angela Maria Valencia López, and Romel Antonio Pérez Romero. "Dissolved organic matter (DOM) as natural tracking agent in cyclic steam stimulation with preformed foams: a mature heavy oil field case." CT&F - Ciencia, Tecnología y Futuro 14, no. 2 (2024): 45–57. https://doi.org/10.29047/01225383.775.

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The object of this paper was to analyze the non-volatile water-soluble fraction or dissolved organic matter (DOM) from production water associated with Cyclic Steam Stimulation (CSS) with preformed foams through high and ultra-high mass spectrometry. Using ESI FT-ICR MS, six naphthenic acids were identified and selected as new potential natural tracking agents. Subsequently, the DOM fractions were analyzed via ESI MSMS, through which semi-quantitative concentrations of these compounds were established for the samples. The results show that the DOM concentration monitored through ESI-MSMS allow

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Rudasová, P., and P. Sajdl. "Study of decomposition products of film forming amines under conditions of 570°C and 17 MPa." Koroze a ochrana materialu 60, no. 5 (2016): 144–47. http://dx.doi.org/10.1515/kom-2016-0023.

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Abstract In this work, the main aim is focused on the decomposition products of film-forming amines which are used as corrosion protection of devices against surface corrosion at frequent short outages. Filming amines are a mixture of volatile alkaline and contact organic amines, which protect both the water and the steam environment. It was confirmed, the organic matter is not stable at high temperature and decomposes to organic acids with short chain (acetic, formic) which decrease pH value and increase conductivity value.

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Kompanichenko, V. N., and V. A. Poturay. "Organic matter in hydrotherms of the Pauzhetsky region: composition and comparative analysis with other sites." Geohimiâ 69, no. 8 (2024): 681–92. https://doi.org/10.31857/s0016752524080036.

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The composition of medium volatile organic matter (OM) in the steam-water mixture condensate (SWC) from deep production wells of the Pauzhetsky geothermal field was investigated. Using solid-phase extraction and chromatography-mass spectrometry, 17 organic compounds, including 14 aliphatic and aromatic hydrocarbon (HC), were identified in the studied SWC. These components are highly dominant in the Pauzhetsky hydrothermal system and a number of other geothermal fields in Kamchatka, averaging more than 60 per cent. Due to the peculiarities of the molecular weight distribution of the limiting HC

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Cubero-Cardoso, Juan, Andrés Muñoz-Arjona, Ángeles Trujillo-Reyes, et al. "Mesophilic Semi-Continuous Anaerobic Digestion of Strawberry Extrudate Pretreated with Steam Explosion." Foods 9, no. 12 (2020): 1887. http://dx.doi.org/10.3390/foods9121887.

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The production of strawberry concentrate produces a side stream after extrusion that is commonly landfilled. This strawberry extrudate (SE), of lignocellulosic character, contains valuable bioactive compounds such as sugars and phenols. Thermal treatments, such as steam explosion, are currently used for the valorisation of agricultural lignocellulosic wastes due to their ability to impact the structure of the lignocellulose and hemicellulose present in these wastes, favouring the disruption of fibrous material. Steam explosion has already been shown as a promising technology for phenol recover

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Shafizadeh, Alireza, Hossein Shahbeik, Mohammad Hossein Nadian, et al. "Turning hazardous volatile matter compounds into fuel by catalytic steam reforming: An evolutionary machine learning approach." Journal of Cleaner Production 413 (August 2023): 137329. http://dx.doi.org/10.1016/j.jclepro.2023.137329.

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McMullen, Roger L. "The benefits and challenges of treating skin with natural oils." International Journal of Cosmetic Science 46, no. 4 (2024): 553–65. http://dx.doi.org/10.1111/ics.12960.

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AbstractThe term natural oil refers to a fixed (non‐volatile) oil of animal or plant origin. These types of oils – in contrast to essential (volatile) oils, which are obtained by steam distillation methods of plant matter – are typically obtained from plant seeds and nuts by a mechanical pressing technique or solvent extraction. The natural movement in cosmetics of the 21st century has led to renewed interest in formulating skin care products with botanical ingredients. In this article, we discuss the benefits and caveats of natural oil treatments as moisturizing agents (as occlusives and emol

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Magtoto, Keynty Boy, Rossana Marie Amongo, Sergio Capareda, and Ronaldo Saludes. "Air and Air-Steam Gasification of Coconut Shell in a Fluidized Bed." Philippine Agricultural Scientist 106, no. 1 (2023): 66–74. http://dx.doi.org/10.62550/eu046022.

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Coconut shells’ abundance in tropical countries, along with its high volatile combustible matter (83.51%) and energy content (18.68 MJ kg-1) make it a good biomass resource and a promising feedstock for gasification. In gasification, different mediums such as air, steam, oxygen, or their combinations can be used to react with the solid carbon and heavy hydrocarbons of biomass. Hence, the effects of using an air-steam mixture as a gasifying agent for the bench-scale fluidized bed gasification of coconut shells were studied. The steam-to-carbon ratio (SCR) was varied to evaluate its effect on th

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Shevidi, Abbas, Javier Lizasoain, Bernhard Wlcek, Susanne Frühauf, Andreas Gronauer, and Alexander Bauer. "Biogas Production from Steam-Exploded Maize Stover: Results from Continuous Anaerobic Tank Bioreactor Tests." Fermentation 9, no. 4 (2023): 339. http://dx.doi.org/10.3390/fermentation9040339.

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Steam explosion pretreatment of lignocellulosic biomass presents a promising technology for agricultural residues before anaerobic degradation. This study aimed to assess biogas production in continuously stirred tank reactors using steam-exploded maize stover mono-digestion. The continuous digestion tests were carried out in four fermenters with a capacity of 150 L under mesophilic and thermophilic conditions. Maize stover was pretreated at 173 °C for 15 min. Four different organic loading rates (OLR) were tested, the biogas and methane production rate was monitored, and parameters such as dr

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Jeong, Chang Moon, Gwon Woo Park, Jin-dal-rae Choi, et al. "Steam reforming of volatile fatty acids (VFAs) over supported Pt/Al2O3 catalysts." International Journal of Hydrogen Energy 36, no. 13 (2011): 7505–15. http://dx.doi.org/10.1016/j.ijhydene.2011.03.126.

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Cubero-Cardoso, Juan, Ángeles Trujillo-Reyes, Antonio Serrano, Guillermo Rodríguez-Gutiérrez, Rafael Borja, and Fernando G. Fermoso. "High-Value-Added Compound Recovery with High-Temperature Hydrothermal Treatment and Steam Explosion, and Subsequent Biomethanization of Residual Strawberry Extrudate." Foods 9, no. 8 (2020): 1082. http://dx.doi.org/10.3390/foods9081082.

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This study was on the comparison of hydrothermal treatments at 170 °C (steam injection) and 220 °C (steam explosion) to solubilize the organic matter contained in residual strawberry extrudate, focusing on phenolic compounds that were susceptible to be extracted and on sugars. After the extraction step, the remaining strawberry extrudate phases were subjected to anaerobic digestion to generate biogas that would compensate the energy requirements of the suggested hydrothermal treatments and to stabilize the remaining waste. Hydrothermal treatment at 220 °C allowed the recovery of 2053 mg of gal

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Putranti, Widyasari, and Saiful Bachri. "Toxicity Study of Volatile Oil Boesenbergia pandurata (Roxb) Schlecht Rhizome to Larvacide of Aedes aegypti and GC-MS Profile." Majalah Obat Tradisional 23, no. 2 (2018): 97. http://dx.doi.org/10.22146/mot.31599.

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Boesenbergia pandurata (Roxb) Schlecht has been recognized by society as traditional drug for a long time. The active constituent of this plants especially the volatile oil, which contains monoterpenes and sesquiterpenes. The use of Boesenbergia pandurata (Roxb) Schlecht rhizome which is a botanical insecticide shows higher safety because the molecule is easily broken down into harmless compounds against the environment. The aim of this research were to know about the activity of larvacide from the volatile oil of Boesenbergia pandurata (Roxb) Schlecht rhizome and also to analyze its chemical

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Unnawong, Narirat, Chaichana Suriyapha, Benjamad Khonkhaeng, et al. "Comparison of Cassava Chips and Winged Bean Tubers with Various Starch Modifications on Chemical Composition, the Kinetics of Gas, Ruminal Degradation, and Ruminal Fermentation Characteristics Using an In Situ Nylon Bag and an In Vitro Gas Production Technique." Animals 13, no. 10 (2023): 1640. http://dx.doi.org/10.3390/ani13101640.

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This research assessed the impact of cassava chips (CSC) and winged bean tubers (WBT) with various starch modification methods on the chemical composition, ruminal degradation, gas production, in vitro degradability, and ruminal fermentation of feed using an in situ and in vitro gas production technique. Experimental treatments were arranged for a 2 × 5 factorial, a completely randomized design with two sources of starch and five levels of modification treatments. Two sources of starch were CSC and WBT, while five modification treatments of starch were: no modification treatment, steam treatme

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Naeem, Abbas, Abbas Aqeel, Irfan Muhammad, Hammad Khan Muhammad, and Ayesha. "Evaluating key parameters for developing a sustainable solid waste management plan in Lahore-China scheme." Chemistry International 9, no. 3 (2023): 120–27. https://doi.org/10.5281/zenodo.8117998.

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This study focuses on evaluating the primary parameters of municipal solid waste (MSW) in the "China scheme" region of Lahore to create a solid waste management plan. The China scheme was divided into six hypothetical zones, and the results indicated that the average MSW generation rate in storage bins was 0.555 Kg/person/day. The MSW composition analysis showed that food waste (putrescible) was the dominant waste type, accounting for 82.424%, while glass had the smallest share of 0.396%. The laboratory analysis revealed that the average values of moisture content, ash, volatile matt

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Efiyanti, Lisna, Suci Aprianty Wati, and Mamay Maslahat. "Pembuatan dan Analisis Karbon Aktif dari Cangkang Buah Karet dengan Proses Kimia dan Fisika." Jurnal Ilmu Kehutanan 14, no. 1 (2020): 94. http://dx.doi.org/10.22146/jik.57479.

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Penggunaan karbon aktif di Indonesia semakin meluas sejalan dengan meningkatnya kebutuhan tehadap karbon aktif tersebut, sehingga perlu terus diupayakan pencarian bahan baku dan metode pembuatan karbon aktif untuk menghasilkan karbon aktif yang berkualitas. Salah satu bahan baku yang dapat digunakan untuk menghasilkan karbon aktif adalah cangkang buah karet karena keberadaannya tidak termanfaatkan dengan baik. Pada penelitian ini dilakukan pembuatan karbon aktif dari cangkang buah karet masing-masing dengan metode aktivasi steam pada suhu 650°C, aktivasi dengan kalium hidroksida 10% dan aktiva

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Williams, Melissa S., Ousama AlZahal, Michael A. Steele, Katharine M. Wood, and Greg B. Penner. "223 Impacts of Active Dry Yeast (Saccharomyces cerevisiae) on Gut Permeability in Finishing Beef Cattle." Journal of Animal Science 101, Supplement_3 (2023): 139–40. http://dx.doi.org/10.1093/jas/skad281.169.

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Abstract The objectives of this study were to examine the impacts of active live yeast (Saccharomyces cerevisiae) as a dietary feed additive on dry matter intake, feed sorting, gut permeability, ruminal pH and volatile fatty acids (VFA) concentration, as well as fecal pH and VFA concentration in cattle fed a high-grain finishing diet and subjected to a ruminal acidotic challenge. Fifteen Hereford X Charolais heifers were blocked by BW into three blocks. Heifers were randomly assigned within block to one of two dietary treatments; CON (no additive), or YST (3 g· animal-1· day-1 of active live S

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18

Shang, Songlin, Jiajun Li, Wenjing Zhang, et al. "Impact of High-Moisture Ear Corn on Antioxidant Capacity, Immunity, Rumen Fermentation, and Microbial Diversity in Pluriparous Dairy Cows." Fermentation 10, no. 1 (2024): 44. http://dx.doi.org/10.3390/fermentation10010044.

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Due to the increasing costs of livestock farming, it is important to find cost-effective alternatives of feed stuffs. This study investigated the effects of high-moisture ear corn (HMEC) feeding on the production performance, serum antioxidant capacity, immunity, and ruminal fermentation and microbiome of dairy cows. Thirty pluriparous Chinese Holstein cows were randomly allocated to two groups: steam-flaked corn (SFC) and HMEC (replacement of 2 kg equal dry matter SFC) and fed for a 60 day trial. The results showed replacing SFC with HMEC significantly increased dry matter intake, milk yield,

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Urías-Estrada, J. D., M. A. López-Soto, A. Barreras, et al. "Influence of zeolite (clinoptilolite) supplementation on characteristics of digestion and ruminal fermentation of steers fed a steam-flaked corn-based finishing diet." Animal Production Science 58, no. 7 (2018): 1239. http://dx.doi.org/10.1071/an16128.

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Four Holstein steers (328 ± 14 kg) with ruminal and duodenal cannulas were used in a 4 × 4 Latin square design to examine the effect of level of zeolite supplementation (0, 10, 20 or 30 g clinoptilolite-Ca/kg of diet) in a steam-flaked corn-based finishing diet on the characteristics of ruminal fermentation and nutrient digestion. Zeolite was top-dressed with the basal diet at time of feeding; therefore, intake of organic matter (OM), neutral detergent fibre (NDF), starch and N was equal in all treatments. Zeolite supplementation did not affect site and extent of digestion of N or NDF. Zeolite

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Onochie, UP, AI Obanor, SA Aliu, and OO Igbodaro. "PROXIMATE AND ULTIMATE ANALYSIS OF FUEL PELLETS FROM OIL PALM RESIDUES." Nigerian Journal of Technology 36, no. 3 (2017): 987–90. http://dx.doi.org/10.4314/njt.v36i3.44.

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This study carried out an investigation on the proximate and ultimate analysis of fuel pellets from oil palm residues such as palm kernel shell, PKS, palm fibre, PF and empty fruit bunch, EFB using the ASTM standards. The results obtained were compared. The percentage moisture content of the pellets, PKS, PF and EFB were 9.68%, 10.77%, 12.07% respectively. This is significantly lower than the percentage moisture content of the raw residues given as 10.23%, 11.10% and 15.01% respectively. High volatile matter content in the fuel pellets indicates that there would be ease of ignition during comb

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Wang, C., Q. Liu, G. Guo, et al. "Effects of substituting corn with steam-flaked sorghum on growth, digestion and blood metabolites in young cattle fed feedlot diets." Animal Production Science 58, no. 2 (2018): 299. http://dx.doi.org/10.1071/an16265.

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The objective of the present study was to evaluate the effects of substituting ground corn grain with steam-flaked sorghum (SFS) grain on growth performance, nutrient utilisation and blood metabolites in beef bulls. Fifty-six Simmental beef bulls averaging 12 months of age and 356.4 ± 2.6 kg of bodyweight were randomly assigned to four groups. The treatments were control, low-SFS, medium-SFS and high–SFS, with 0, 1/3, 2/3 and 3/3 SFS grain, respectively, substituting ground corn grain of diets(dry matter (DM) basis). Diets consisted of 50% corn silage and 50% concentrate (DM basis). The averag

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Singh, Sunita, Pankaj Kumar Chaurasia, Shashi Lata Bharati, and Upendarrao Golla. "A mini-review on the safety profile of essential oils." MOJ Biology and Medicine 7, no. 1 (2022): 33–36. http://dx.doi.org/10.15406/mojbm.2022.07.00162.

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Essential oils (EOs) are defined as secondary metabolites of plants that are volatile in nature and synthesized by various parts of plants such as buds, trichomes, bark, leaves, flowers, twigs, etc. They are generally extracted through steam and hydro distillation processes. The chemistry of these essential oils is very complex and mainly consists of terpenes and their oxygenated derivatives. The color, aroma, volatility, lipophilicity are some of the salient features of these essential oils. Primarily, they are used for flavoring purposes, but with the advancement in science and scientific to

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Hoang, CC, BJ Hosking, and JHG Holmes. "Steam-flaked lupins for preruminant calf rations." Australian Journal of Experimental Agriculture 35, no. 8 (1995): 1063. http://dx.doi.org/10.1071/ea9951063.

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Steam-rolled lupins were studied as a cheaper alternative to complex and expensive commercial calf rations for rearing dairy calves. Four diets were fed to 4 groups of 6-8 calves: diet 1, 100% commercial pelletted calf ration (CR), 0% steam-flaked lupins (SFL); diet 2, 67% CR, 33% SFL; diet 3, 33% CR, 67% SFL; and diet 4, 100% SFL. A multimineral salt block and fresh water were available. Calves received milk-replacer (MR) in week 1, MR plus experimental diets in weeks 2-5, then experimental diets plus a small amount of straw in weeks 6-10. Calves grazed fresh pasture in weeks 11-15. Blood and

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Kara, K., BK Guclu, and E. Baytok. "Comparison of fermentative digestion levels of processed different starch sources by Labrador Retrievers at different ages." Veterinární Medicína 64, No. 4 (2019): 158–71. http://dx.doi.org/10.17221/105/2018-vetmed.

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Extruded commercial dog foods contain high levels of carbohydrates. The limited starch digestive capacity of dogs can change with age. The effectiveness of the extrusion (heat-steam pressure) process applied to raw/by-product feedstuffs (different starch sources in terms of starch digestion) may also differ. Therefore, in this study we determined the effects of age and the heat-steam pressure process on the in vitro digestion of different starch sources in dogs. The in vitro digestion was done in faecal inoculums from Labrador Retrievers of different ages (puppy; six months, mature; two years,

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Hermawan, Qori Fajar, Wasono Wasono, Nanda Khoirunisa, Muhammad Riza, and Zetsaona Sihotang. "Karakteristik Pasokan Batu Bara di PLTU â€œDamarâ€ Periode 2019-2021 Berdasarkan Analisis Proksimat dan Nilai Kalor." Jurnal Rekayasa Hijau 7, no. 3 (2023): 208–17. https://doi.org/10.26760/jrh.v7i3.208-217.

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ABSTRAKBatu bara adalah bahan bakar utama dalam proses pembangkitan listrik di sebuah pembangkit listrik tenaga uap, termasuk di PLTU (Pembangkit Listrik Tenaga Uap)â€Damarâ€ ini. PLTU â€œDamarâ€ mendapatkan batu bara dari beberapa pemasok dari dua wilayah yaitu Provinsi Kalimantan Timur dan Provinsi Sumatra Selatan. Pasokan batu bara yang diterima oleh PLTU â€œDamarâ€ pada tahun 2019, 2020, dan 2021 secara berurutan adalah 529.458,451 ton, 489.450,817 ton, dan 527.923,208 ton. Karakteristik pasokan batu bara yang diterima dilakukan berdasarkan hasil analisis proksimat dan nilai kalor terh

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Gibbins, J. R., and J. Williamson. "Advances in laboratory tests for predicting coal-related combustion problems." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 212, no. 1 (1998): 13–26. http://dx.doi.org/10.1243/0957650981536709.

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Problems in pulverized fuel combustion in steam-raising plant that can be attributed to the nature of the coal being fired include excessive slagging and fouling, poor char burnout, NOx emissions and flame stability. Coal performance in these areas can, to some extent, be related to the results from existing coal characterization tests but, particularly for coals from unfamiliar areas, these correlations may be unreliable and misleading. For example, attempts to relate slagging propensity to the chemical composition of the coal ash have met with only limited success. It now seems clear that em

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Akindele, David Ojo, Samson Adedayo Adeleye, and Festus Olaiyapo Oluwafemi. "Harnessing the Thermal Potentials of Bitter Kola Tree Using Thermo- Gravimetric Analysis (TGA) Method." European Journal of Theoretical and Applied Sciences 1, no. 5 (2023): 660–68. http://dx.doi.org/10.59324/ejtas.2023.1(5).55.

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This research focused on harnessing the thermal potentials of the bitter kola tree relying on the information determined by the Thermo-gravimetric Analyzer. Today the world is facing some critical problems such as: high fuel prices, climatic changes, and air pollution. Higher Heating Value (HHV) is one of the most important properties of fuels which explains the higher energy content and determines the efficient use of biomass and fossil fuels. This research work aimed to conduct thermo-gravimetric analysis on Bitter kola tree energy crop. The materials for the research was acquired from a nea

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David, Ojo Akindele, Adedayo Adeleye Samson, and Olaiyapo Oluwafemi Festus. "Harnessing the Thermal Potentials of Bitter Kola Tree Using Thermo- Gravimetric Analysis (TGA) Method." European Jornal of Theoretical and Sciences 1, no. 5 (2023): 660–68. https://doi.org/10.59324/ejtas.2023.1(5).55.

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This research focused on harnessing the thermal potentials of the bitter kola tree relying on the information determined by the Thermo-gravimetric Analyzer. Today the world is facing some critical problems such as: high fuel prices, climatic changes, and air pollution. Higher Heating Value (HHV) is one of the most important properties of fuels which explains the higher energy content and determines the efficient use of biomass and fossil fuels. This research work aimed to conduct thermo-gravimetric analysis on Bitter kola tree energy crop. The materials for the research was acquired from a nea

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Mir, Z., P. S. Mir, S. N. Acharya, et al. "Comparison of alfalfa and fenugreek (Trigonella foenum-graecum) silages supplemented with barley grain on performance of growing steers." Canadian Journal of Animal Science 78, no. 3 (1998): 343–49. http://dx.doi.org/10.4141/a97-087.

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To compare nutritive value of alfalfa and fenugreek silages for weaned back-grounding feedlot steers, isonitrogenous diets of alfalfa or fenugreek silage, supplemented with three levels of steam-rolled barley (0, 15 and 30% DM) were fed ad libitum to 60 steers (initial weight of 237 ± 18 kg). The study was conducted in individual pens for 105 d using a 2 × 3 factorial experiment. Fenugreek was cut 17 wk after seeding while the alfalfa was cut at mid-bloom. Both fenugreek and alfalfa silages were prepared in plastic tube silos after wilting to 38 and 35% DM, respectively. After ensiling for 40

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Huang, Bo, Wen Zeng, and Yanqiong Li. "Synthesis of ZnO@ZIF-8 Nanorods with Enhanced Response to VOCs." Journal of The Electrochemical Society 169, no. 4 (2022): 047508. http://dx.doi.org/10.1149/1945-7111/ac61be.

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It is an effective way to produce core–shell composite materials by coating nano-metal oxides with metal-organic framework. A self-sacrificial method was reported. ZnO was transformed into ZIF-8 and attached to ZnO. Through the in situ transformation of zinc oxide particles in the matrix, a great many pores are formed to ensure that all parts of ZnO can contact the gas. ZnO has three main functions, providing Zn2+ for ZIF-8 and serving as a template for ZIF-8’s growth, and as an active material to detect gases. ZIF-8 has two functions. Firstly, it has hydrophobicity to avoid the impact of stea

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Dos Reis, Beatriz Q. Queiroz, Jhones O. Sarturi, Kaliu Silva, et al. "124 Effects of Saccharomyces cerevisiae and dietary type offered to beef cattle on intake, feeding behavior, nutrient digestibility, and ruminal fermentation." Journal of Animal Science 102, Supplement_3 (2024): 331–32. http://dx.doi.org/10.1093/jas/skae234.378.

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Abstract The effects of live yeast and diet type offered to beef steers on intake, feeding behavior, nutrient digestibility, and ruminal fermentation profile were evaluated. Ruminally cannulated beef steers [n = 8; body weight (BW) = 550 ± 20 kg] were used in a duplicated 4 × 4 Latin square design following a 2 × 2 factorial arrangement of treatments: A) presence of live-yeast [Saccharomyces cerevisiae (CNCM I-1077), at 1 × 1010 CFUּ animal-1ּ d-1]; and B) diet type [steam-flaked corn-based grower or finisher diets (ad libitum intake)]. Live yeast was delivered with gel-capsules (0.25 g, as is

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Keyserlingk, M. A. G. von, W. C. Gardner, L. J. Fisher, and J. A. Shelford. "A comparison of textured versus pelleted concentrates on rumen degradability, dry matter intake, milk yield and composition in lactating Holstein cows." Canadian Journal of Animal Science 78, no. 2 (1998): 219–24. http://dx.doi.org/10.4141/a97-008.

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A study was undertaken to compare the feeding of a ground-pelleted concentrate mixture with a textured one. Parameters studied were in situ rumen degradability characteristics of the concentrates, dry matter intake and yield of milk and milk components. A concentrate mixture consisting of barley, corn, canola meal and a vitamin-mineral premix was manufactured in two forms. In the one form, all ingredients were ground and pelleted while in the second, only the canola meal and premix were pelleted while the corn and barley were steam rolled prior to mixing. Initially the degradability characteri

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Wulandari, Daya, Rusdianasari, and Muhammad Yerizam. "Characterization Biofuel from Empty Fruit Bunch through Thermal Cracking." International Journal of Research in Vocational Studies (IJRVOCAS) 2, no. 2 (2022): 15–22. http://dx.doi.org/10.53893/ijrvocas.v2i2.104.

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Empty Fruit Bunches (EFB) are oil palm waste that has the potential as a source of bioenergy because it contains lignocellulose (cellulose, hemicellulose, and lignin) so that it can be converted into biofuel through thermal cracking, adsorption, and distillation processes. Thermal cracking is the decomposition of the chemical content of biomass by utilizing heat without a mixture of oxygen at a temperature of 200oC–600oC. This study aims to obtain the characteristics of the raw material of EFB in the form of proximate, ultimate, lignin, and biofuel produced. The research was conducted using a

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Mota, Lucas G., Ithalo Freitas, Mark E. Branine, and Glenn C. Duff. "PSXIII-22 Effects of Isoacids on Rumen Ph, Microbial Protein and in Situ Dry Matter Disappearance in Beef Heifers Fed Growing Diet." Journal of Animal Science 101, Supplement_3 (2023): 649–50. http://dx.doi.org/10.1093/jas/skad281.755.

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Abstract The objective of this study was to evaluate effects of feeding supplemental isoacids in a growing diet on parameters of rumen fermentation and in situ DM disappearance. Eight mature ruminally cannulated beef heifers (Angus crossbred; mean BW 618 ± 31 kg) were used in a replicated 4 x 4 Latin square design. Heifers were housed in individual pens and fed the following treatment diets: no supplemental isoacids (ISO) in the basal diet (Control); 7.2 g of 2-methylbutyric acid· animal-1· day-1 (ISO1); 7.2 g of 2-methylbutyric + 7.2 g isobutyric acids· animal-1· day-1 (ISO2); and 7.2 g 2-met

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Mansfield, Cindy, Rebecca L. Sjostrand, Braden C. Troyer, et al. "309 Evaluation of Encapsulated Megasphaera Elsdenii Ncimb 41125 in an Accelerated Beef Step-up Program and an Acidosis Challenge Model." Journal of Animal Science 101, Supplement_2 (2023): 224–25. http://dx.doi.org/10.1093/jas/skad341.252.

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Abstract A metabolism experiment was conducted to evaluate the effects of daily feeding of encapsulated Megasphaera elsdenii (M. elsdenii) NCIMB 41125 along with a one-time dose of Lactipro NXT (MS Biotec) on dry matter intake (DMI), rumen pH, in vitro lactate disappearance, volatile fatty acid (VFA) concentration, and lactate concentration. Ruminally cannulated crossbred steers (n = 40, initial BW 437 ± 98 kg) were individually fed a finisher diet consisting of 70% steam-flaked corn, 18% modified distillers grain plus soluble, and 7% alfalfa hay. Treatments were control (Con) steers which wer

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Tang, Lin, Martin O. P. Ramacher, Jana Moldanová, et al. "The impact of ship emissions on air quality and human health in the Gothenburg area – Part 1: 2012 emissions." Atmospheric Chemistry and Physics 20, no. 12 (2020): 7509–30. http://dx.doi.org/10.5194/acp-20-7509-2020.

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Abstract. Ship emissions in and around ports are of interest for urban air quality management in many harbour cities. We investigated the impact of regional and local ship emissions on urban air quality for 2012 conditions in the city of Gothenburg, Sweden, the largest cargo port in Scandinavia. In order to assess the effects of ship emissions, a coupled regional- and local-scale model system has been set up using ship emissions in the Baltic Sea and the North Sea as well as in and around the port of Gothenburg. Ship emissions were calculated with the Ship Traffic Emission Assessment Model (ST

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Vallada, Douglas Da Silva, Carlos Alberto Mendes Moraes, and Paulo Ricardo Santos da Silva. "Thermal pyrolysis of LDPE and LLDPE films in post-consumer packaging." Revista Eletrônica em Gestão, Educação e Tecnologia Ambiental 24 (December 4, 2020): e23. http://dx.doi.org/10.5902/2236117062698.

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Thermoplastics are increasingly present in the daily life of society in the most varied applications. Among the thermoplastics, polyethylene is the one that presents the higher volume of worldwide production and consumption. However, a large part of its applications are for products with a short shelf life, especially the food packaging sector. This way, they become expressive constituents in the composition of urban solid waste, leading to large quantities often being deposited in landfills. Pyrolysis appears as a technology for recycling plastic waste, allowing the recovery of the monomers t

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Mutmainnah, Mutmainnah, Ummu Fadillah, Nurjannah Nurjannah, Muhammad Balfas, Mursalim Umar Gani, and Syamsuddin Yani. "KARAKTERISASI SIFAT BAHAN BAKAR CHAR HASIL PIROLISIS DAUN CENGKEH SEBELUM DAN SESUDAH STEAM DESTILASI." Journal of Chemical Process Engineering 3, no. 2 (2019): 22. http://dx.doi.org/10.33536/jcpe.v3i2.259.

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Cadangan bahan bakar padat semakin menipis karena pemakaian bahan bakar batubara semakin meningkat. Diperlukan bahan bakar alternatif yang murah dan ramah lingkungan. Hasil penyulingan dari daun cengkeh akan diperoleh sisa daun cengkeh yang berpotensi digunakan sebagai bahan baku untuk menghasilkan bahan bakar yang terbarukan. Bahan bakar yang dimaksud berupa bahan bahan bakar padat (char). Metode yang digunakan untuk menghasilkan bahan bakar dari biomassa yaitu dengan metode pirolisis terhadap analisis proximate. Hasil uji laboratorium menunjukkan bahwa char yang diperoleh sesuai dengan stand

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Trotta, Ronald J., Kelly K. Kreikemeier, and David L. Harmon. "Influence of flake density and starch retrogradation on in vitro gas production kinetics, digestibility, and ruminal fermentation characteristics of steam-flaked corn." Journal of Animal Science, October 9, 2024. http://dx.doi.org/10.1093/jas/skae308.

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Abstract Previous research has demonstrated that decreasing starch availability of steam-flaked corn by increasing flake density or increasing the degree of starch retrogradation influences in vitro gas production kinetics. However, it is unclear if increasing flake density or the degree of starch retrogradation influences end-products of in vitro ruminal fermentation (methane, volatile fatty acids, ammonia). The objective of this experiment was to evaluate the effects of increasing flake density and the degree of starch retrogradation on in vitro gas production kinetics, digestibility, and ru

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Al-Zareer, Maan, Ibrahim Dincer, and Marc A. Rosen. "Influence of Selected Gasification Parameters on Syngas Composition From Biomass Gasification." Journal of Energy Resources Technology 140, no. 4 (2018). http://dx.doi.org/10.1115/1.4039601.

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In this study, the syngas composition exiting a biomass gasifier is investigated to determine the effect of varying selected gasification parameters. The gasification parameters considered are the mass flow rate of steam, the gasification agent, the mass flow rate of oxygen, the gasification oxidant, and the type of biomass. The syngas composition is represented by its hydrogen, carbon monoxide, carbon dioxide, and water fractions. The oxygen fed to the gasifier is produced using a cryogenic air separation unit (CASU). The gasifier and the air separation unit are modeled and simulated with asp

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Kristiawan, Magdalena, Vaclav Sobolik, and Karim Allaf. "Yield and Composition of Indonesian Cananga Oil Obtained by Steam Distillation and Organic Solvent Extraction." International Journal of Food Engineering 8, no. 3 (2012). http://dx.doi.org/10.1515/1556-3758.1412.

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Abstract Cananga oil has high economical value because of its utilisation as fragrance and food flavour. In the present work, the oil was isolated by steam distillation and organic solvent extraction from dry mature flowers of Cananga odorata Hook. fil. et Thomson, forma macrophylla. Chloroform and hexane were used as solvents with different polarities. The yield of volatile oil and its grouped compounds (LOC, sesquiterpenes hydrocarbons and HOC) was investigated as a function of time. LOC consists of oxygenated monoterpenes and other light oxygenated compounds whereas HOC comprises oxygenated

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Dauerman, Leonard, Gabriele Windgasse, Naihong Zhu, and Yaoll He. "Microwave Treatment of Hazardous Wastes: Physical Chemical Mechanisms." MRS Proceedings 269 (1992). http://dx.doi.org/10.1557/proc-269-465.

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ABSTRACTThe objective Is to develop processes to treat hazardous waste streams using microwave treatment. First, physical chemical mechanisms have been posited for a variety, of such waste streams including: soils contaminated with organics, and toxic heavy metals; “spent” GAC; organics in the gas phase. Second, feasibility tests are being carried out to determine if on-site field testing is warranted. In the case of microwave-induced steam distillation of volatile and semivolatile organics, pilot plant stuides indicate that the incident power cost is not prohibitive: that fear of prohibitive

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Sufyan, Abubakar, Nazir Ahmad Khan, Amer AbuGhazaleh, Nazir Ahmad, Shaoxun Tang, and Zhiliang Tan. "Novel techniques for the mass scale production of nutritionally improved fungal treated lignocellulosic biomass for ruminants feeding." Journal of the Science of Food and Agriculture, November 8, 2023. http://dx.doi.org/10.1002/jsfa.13108.

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AbstractBACKGROUNDLaboratory scale experiments have shown that treatment with selective lignin degrading white rot fungi improves the nutritional value and ruminal degradability of lignocellulosic biomass (LCB). However, the lack of effective field‐applicable pasteurization methods has long been recognized as a major obstacle for scaling up the technique for fungal treatment of large quantities of LCB for animal feeding. In this study, wheat straw (an LCB substrate) was subjected to four field‐applicable pasteurization methods, namely, hot‐water, formaldehyde fumigation, steam, and hydrated li

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Horton, Lucas M., Cadra L. Van Bibber-Krueger, Hans C. Müller, and James S. Drouillard. "Effects of high-amylase corn on performance and carcass quality of finishing beef heifers." Journal of Animal Science 98, no. 10 (2020). http://dx.doi.org/10.1093/jas/skaa302.

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Abstract Developed initially for use in fuel ethanol production, Enogen Feed Corn (EFC; Syngenta Crop Protection) is genetically modified to express high concentrations of α-amylase in the corn kernel. Experiments were conducted to evaluate processing characteristics of EFC, in vitro digestion, and effects on feedlot performance, carcass characteristics, and liver abscess incidence. Experiment 1 used a randomized complete block design (3 × 3 × 5 factorial) to evaluate starch availability, in situ dry matter disappearance (ISDMD), in vitro gas production (IVGP), and volatile fatty acid (VFA) pr

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Даваажав, Я., Б. Пүрэвсүрэн, X. Серикжан, C. Батбилэг та Э. Ууганжаргал. "САЙХАН-ОВООГИЙН НҮҮРСНИЙ ШИНЖ ЧАНАР БА ПИРОЛИЗЫН СУДАЛГАА". Proceedings of the Mongolian Academy of Sciences, 21 березня 2011, 80–88. http://dx.doi.org/10.5564/pmas.v0i1.62.

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Манай орон нүүрсний арвин их нєєцтэй бєгєєд зарим ордуудын нүүрсний судалгаа нэлээд єргєн хүрээтэй хийгдсэн байдаг. Харин Сайхан-Овоогийн ордын нүүрс нь тєдийлєн судлагдаагүй учир энэ ордын нүүрсийг судалгааны обьектоор сонгон авч нүүрсний техникийн шинж чанарын үзүүлэлтүүдийг тодорхойлж, нүүрсэн дэх хүхрийн хэлбэрүүдийг тогтоон, пиролизын бүтээгдэхүүний гарц, хатуу үлдэгдэл дэх хүхрийн хэлбэрүүдийн агуулга, шингээх, шүүх чадвар зэргийг судлан тогтоолоо. Мєн нүүрсний бүтэц, үнсний макро, микро элементүүдийг нил улаан туяаны спектрометр, рентген флуоренценцийн спектрометрээр тодорхойлов. Түлхүү

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Kurkela, Esa, Minna Kurkela, and Sanna Tuomi. "Development of a bubbling circulating fluidized-bed reactor for biomass and waste gasification." June 30, 2022. https://doi.org/10.3303/CET2292065.

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The Bubbling Circulating Fluidized-Bed (BCFB) gasifier described in this paper is based on a combination of the two fluidized-bed reactor types: a bubbling and a circulating fluidized-bed. The BCFB gasifier was originally developed in the early 2000s and designed for air-blown gasification of waste-derived feedstocks that have very high volatile matter content resulting in high tar concentration in the raw product gas. In an ongoing EU project FlexSNG, the BCFB gasification technology is now adapted for the co-production of biochar and synthesis-quality gas, using steam and oxygen as fluidizin

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Callén, María Soledad, Isabel Martínez, Gemma Grasa, José Manuel López, and Ramón Murillo. "Principal component analysis and partial least square regression models to understand sorption-enhanced biomass gasification." Biomass Conversion and Biorefinery, March 15, 2022. http://dx.doi.org/10.1007/s13399-022-02496-z.

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AbstractGasification represents a potential technology for the conversion of biomass into usable energy. The influence of the main gasification parameters, i.e. the type of biomass used and its composition, as well as the composition of the outlet gas, were studied by a multivariate statistical analysis based on principal component analysis (PCA) and partial least square (PLS) regression models in order to identify the main correlations between them and to the contents of methane, ethylene and tar in the outlet gas. In this work, the experimental data used as input for the multivariate statist

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Zhang, Shizhuo, Jun Yuan, Shuai Wang, et al. "Synergistic Multilevel Sieving Membranes: Integrating Cellular Graphene Skeleton with Continuous MOFs Nanolayer for Superior Multiphase Water Separation." Advanced Functional Materials, November 8, 2023. http://dx.doi.org/10.1002/adfm.202307571.

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AbstractThe emergence of MOF–based separation membranes has transformed liquid contaminant filtration with impressive sieving properties. However, their use in multiphase water filtration is hindered by a limited sieving range and susceptibility to collapse in solution. To address this challenge, an innovative solution is presented: the Multilevel Cellular Graphene Skeleton (MCGK) induced by femtosecond laser, onto which a continuous MOF nanolayer (CMN), specifically ZIF–8, is grown. This forms a groundbreaking multistage micron/nanocomposite pore membrane. The MCGK/CMN membrane significantly

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Montano, Martin F., Pedro H. V. Carvalho, Juan O. Chirino-Romero, Brooke C. Latack, Jaime Salinas-Chavira, and Richard Avery Zinn. "Influence of supplemental condensed tannins on initial 112-d feedlot growth-performance and characteristics of digestion of calf-fed Holstein steers." Translational Animal Science 6, no. 1 (2022). http://dx.doi.org/10.1093/tas/txac024.

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Abstract In experiment 1, 150 calf-fed Holstein steers (119 ± 6 kg) were used to evaluate the effects of level of supplemental condensed tannin (0, 14, and 28 g/kg diet DM) in a conventional steam-flaked corn-based growing-finishing diet on feedlot growth performance. There were no treatment effects on growth performance during the initial 56-d period. However, during the subsequent 56-d period, supplemental condensed tannin tended to increase average daily gain (ADG; linear effect, P = 0.09). The increase in ADG was consistent with the tendency for increased dry matter intake (DMI; linear eff

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Carvalho, P. H. V., B. C. Latack, M. F. Montano, and R. A. Zinn. "Influence of supplemental flavomycin on growth performance, carcass characteristics, and nutrient digestibility in calf-fed Holstein steers." Translational Animal Science, January 7, 2023. http://dx.doi.org/10.1093/tas/txad005.

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Abstract The objective of this study was to evaluate the influence of supplemental flavomycin on cattle growth performance, carcass characteristics, diet digestibility, and ruminal fermentation characteristics of calf-fed Holstein steers. One hundred Holstein steers (123 ±7 kg) were balanced by weight and assigned to 20 pens. Dietary treatments consisted of a steam flaked corn-based diet supplemented with (dry matter basis): 1) Control, no feed additive; 2) 6.6 mg/kg flavomycin; 3) 13.2 mg/kg flavomycin and 4) 30 mg/kg monensin (MON). There were no treatment effects (P ≥ 0.17) on live weight,

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