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Journal articles on the topic 'Feed gap'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Khalifa, Atia E. "Performances of air gap and water gap MD desalination modules." Water Practice and Technology 13, no. 1 (2018): 200–209. http://dx.doi.org/10.2166/wpt.2018.034.

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Abstract Membrane distillation (MD) is a promising thermally-driven membrane separation technology for water desalination. In MD, water vapor is being separated from the hot feed water solution using a micro-porous hydrophobic membrane, due to the difference in vapor pressures across the membrane. In the present work, experiments are conducted to compare the performance of water gap membrane distillation (WGMD) and air gap membrane distillation (AGMD) modules under the main operating and design conditions including the feed and coolant temperatures, membrane material and pore sizes, and the ga

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BAYHAN, Bora. "Quality of Forages: Current Knowledge and Trends." MAS Journal of Applied Sciences 8, no. 1 (2023): 134–43. https://doi.org/10.5281/zenodo.7698209.

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Cool season grasses are the main component of pasture-based agriculture in temperate regions of the world. In warmer environments, warm season and tropical grasses (typically C4 plants) are commonly used.  The continual invention of fresh feeds and forages will be essential in helping ruminant agriculture begin to adjust to the rising temperatures of the globe. Research projects in this area are urgently needed because it typically takes fodder breeding programmes 15 years to generate a new, performance-tested variety that can be included on recommended lists. Having insufficient feed to

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Gater, J., and T. Counsell. "A comparative study of equine compound feeds for leisure and performance horses." BSAP Occasional Publication 35 (2006): 179–82. http://dx.doi.org/10.1017/s0263967x00042671.

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A wide variety of equine compound feeds are now available, aimed at simplifying the feeding of horses, by removing the need for detailed nutritional calculations previously necessary with ‘straights’. It is assumed that the majority of feed sales are based on the name of the manufacturer and the branding of the individual product rather than the nutritional content. Research in equine nutrition has accelerated in the last decade and a greater academic understanding of equine nutrition has now been reached (Pagan 1998; Pagan 2001; Lawrence 2001). It appears that an ever-widening gap is being cr

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4

Pearson, David. "BRIDGING THE GAP: Feed First—Supplement Second." Strength and Conditioning Journal 21, no. 6 (1999): 67. http://dx.doi.org/10.1519/1533-4295(1999)021<0067:ffss>2.0.co;2.

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5

Apatsaraphom, Benjawan, Wanwisa Thaiwirot, and Prayoot Akkaraekthalin. "Comparative Study of Printed Dipole Antenna with Step-Shaped Feed Gap for DTV Applications." Applied Mechanics and Materials 781 (August 2015): 69–72. http://dx.doi.org/10.4028/www.scientific.net/amm.781.69.

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This paper presents the comparative study of printed dipole antenna with step-shaped feed gap for DTV applications. By proper adjusting the length of arm strips, the additional resonant mode is excited close to the fundamental resonant mode which can form wide operating band. With the equal length of the strip arms of dipole antennas but different step-shaped feed gap (single, double and triple step-shaped feed gap), the single and double step-shaped feed gap can cover the 470-806 MHz band for DTV reception. The dipole antenna with triple step-shaped feed gap can cover the 470-862 MHz band. Th

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Kanaujia, Binod Kumar, and Anil Kumar Singh. "Analysis and Design of Gap-Coupled Annular Ring Microstrip Antenna." International Journal of Antennas and Propagation 2008 (2008): 1–5. http://dx.doi.org/10.1155/2008/792123.

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Theoretical investigation conducted on gap-coupled annular ring microstrip antenna is found to exhibit frequency tunability with the gap. The various parameters of the antenna such as input impedance, VSWR, return loss, and radiation pattern have been investigated as a function of gap length and feed point. It is found that the various parameters of gap-coupled microstrip antenna depend heavily on the gap length and feed points.

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van Ittersum, Martin K., Lenny G. J. van Bussel, Joost Wolf, et al. "Can sub-Saharan Africa feed itself?" Proceedings of the National Academy of Sciences 113, no. 52 (2016): 14964–69. http://dx.doi.org/10.1073/pnas.1610359113.

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Although global food demand is expected to increase 60% by 2050 compared with 2005/2007, the rise will be much greater in sub-Saharan Africa (SSA). Indeed, SSA is the region at greatest food security risk because by 2050 its population will increase 2.5-fold and demand for cereals approximately triple, whereas current levels of cereal consumption already depend on substantial imports. At issue is whether SSA can meet this vast increase in cereal demand without greater reliance on cereal imports or major expansion of agricultural area and associated biodiversity loss and greenhouse gas emission

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8

Sun, Z., and M. Kuo. "Bridging the joint gap with wire feed laser welding." Journal of Materials Processing Technology 87, no. 1-3 (1999): 213–22. http://dx.doi.org/10.1016/s0924-0136(98)00346-x.

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9

Shafinas, Muhammad Noor Intan, Darfour Bernard, Mahmud Nazira, and Kurt A. Rosentrater. "Effect of Grain Moisture Content and Roller Mill Gap Size on Various Physical Properties of Yellow Dent Corn Flour." Journal of Food Research 11, no. 2 (2022): 16. http://dx.doi.org/10.5539/jfr.v11n2p16.

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Corn has six main varieties grown globally for animal feed, human consumption, and commercial/industrial purposes. Flour is an end-product of corn dry-milling. Products that are derived from corn flour often show differences in physical, chemical, and pasting properties due to corn varietal differences, milling methods, differences in flour particle sizes, and drying temperatures. The study aimed to determine the effect of different moisture contents of yellow dent corn and roller gap sizes, on the physical properties of the resulting corn flour. The possibility to use the flour in the manufac

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Bahar, Rubina, and Mohammad Jabed Perves Bappy. "Enhanced production from an Air Gap Membrane Distillation Desalination system by varying the feed entry angle." IOP Conference Series: Earth and Environmental Science 945, no. 1 (2021): 012026. http://dx.doi.org/10.1088/1755-1315/945/1/012026.

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Abstract The membrane distillation (MD) process is an evaporative metho driven by the partial pressure difference between two different temperature solutions, namely the hot feed and the coolant. The hot feed evaporates, and the vapour gets condensed to the cooler side. A hydrophobic membrane maintains the evaporating surface. Air Gap Membrane Distillation(AGMD) separates the hot feed from the coolant by a narrow air gap and a coolant plate. The condensate forms on the coolant plate, and the air gap works as an insulation for the heat loss through the membrane. The salient parameters like feed

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Smith, Laura, Denise Beaulieu, John Patience, Harold Gonyou, and Dean Boyd. "The impact of feeder adjustment and group size-floor space allowance on the performance of nursery pigs." Journal of Swine Health and Production 12, no. 3 (2004): 111–18. http://dx.doi.org/10.54846/jshap/372.

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Objectives: To determine the effects of group size and feeder trough opening on weanling pig performance, and to develop feeder adjustment recommendations for the pork industry. Materials and methods: Weanling piglets were randomly assigned to three group sizes (16, 20, and 24 pigs), with corresponding floor space allowances of 0.35 m2, 0.28 m2, and 0.23 m2 per pig. Crumbled feed was provided in trough-type dry feeders using five different feeder gap openings (range 9.2 – 31.5 mm) for 42 days, beginning 8 days postweaning. Three replicates were performed (N = 716). Results: During Days 21 to 4

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Dapi, Yakobus, Ikhwan Ruslianto, and Suhardi Suhardi. "Monitoring dan Kontrol Pemberian Pakan Air Tawar Menggunakan Internet Messaging Secara Real time." Jurnal Sistem Komputer dan Informatika (JSON) 4, no. 1 (2022): 94. http://dx.doi.org/10.30865/json.v4i1.4821.

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One important aspect that must be considered in freshwater aquaculture is the feeding of the fish. However, in its implementation, fish feeding is generally still done conventionally, farmers must sprinkle feed every day with an irregular amount of feed and time. The next problem is the limitations of humans as fish farmers to carry out several activities at the same time and in separate places. Therefore, a system was created that can monitor and control the feeding of fish in real time using Internet Messaging based on the Internet of Things via Telegram. NodeMCU ESP32 is used as overall sys

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Nuraina, Norma, Atikah Nur Hamidah, Despal Despal, and Epi Taufik. "Farmer Satisfaction on Concentrate Feed Produced by Dairy Feed Mill Cooperative: A Case Study." Jurnal Ilmu Nutrisi dan Teknologi Pakan 18, no. 3 (2020): 81–88. http://dx.doi.org/10.29244/jintp.18.3.81-88.

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The aims of this study were to evaluate the quality of feedstuff as concentrate feed raw material, the quality of feed concentrate, and customer satisfaction toward concentrate quality produced by the cooperative. The parameters observed were nutrient contents (moisture, ash, crude protein, crude fat, and crude fibre) and physical quality (density, bulk density, and compacted bulk density). Farmer satisfaction was measured using customer satisfaction index (CSI) and gap analysis. The data obtained consisted of primary data (nutrient content of feedstuff and physical quality) and secondary data

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Gaur, Divya, Kailash Singh, Sushant Upadhyaya, and Shiv Om Meena. "Experimental Study for Benzene/Water Removal by Air Gap Membrane Distillation." Asian Journal of Water, Environment and Pollution 19, no. 5 (2022): 43–51. http://dx.doi.org/10.3233/ajw220070.

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Benzene, a hazardous chemical, is one of the effluents which are eliminated by various industries as waste products into the water bodies. Various techniques are used for the separation of benzene from waste water such as liquid-liquid extraction, adsorption, absorption and pervaporation, and membrane distillation (MD). In this work, the air gap membrane distillation technique is used for the removal of benzene from benzene-water solution. Microporous hydrophobic polytetrafluoroethylene (PTFE) membrane was used in the membrane module in the AGMD setup. The effect of various parameters, such as

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Boss, Melinda, Hazel Gardner, and Peter Hartmann. "Normal Human Lactation: closing the gap." F1000Research 7 (June 20, 2018): 801. http://dx.doi.org/10.12688/f1000research.14452.1.

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With the exception of infant growth, there are no well-defined parameters describing normal human lactation. This represents a major gap in the continuum of care that does not exist for other major organs. Biological normality occurs naturally and is characterized by well-integrated function. We have proposed a definition that highlights four key elements that describe parameters for biological normality: comfort, milk supply, infant health, and maternal health. Notwithstanding the current limitations, published data have been collated to provide preliminary markers for the initiation of lacta

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A.K., Verma* Sowjanya Lakshmi R.K**. "Food industry byproducts - As potential animal feeds." Science World a monthly e magazine 3, no. 3 (2023): 392–98. https://doi.org/10.5281/zenodo.7757433.

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Agriculture and food industry waste constitutes a major proportion (32%) of world-wide agricultural production. Recovering of nutrients from currently wasted resources and their utilization as feed resource with application of proper processing technologies will help curb the danger of gap between increasing livestock population and available feed resources to meet increasing population demands. Demand for processed foods increased tremendously due to altered lifestyle choice of global consumers with subsequent release of waste production from these processing plants. This waste management in

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Chou, Ta-Hsin, Wen-Hsien Yang, Kuei-Yuan Cheng, Yu-Chen Chang, and Thomas Luo. "The Simulation and Inspection for the Starting Phenomenon of Slit Coating Process on Glass Substrate." International Journal of Automation Technology 5, no. 2 (2011): 190–94. http://dx.doi.org/10.20965/ijat.2011.p0190.

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We developed a two-dimensional Computational Fluid Dynamics (CFD) model of a slit nozzle and coating for photoresist, using the Volume Of Fluid (VOF) to calculate the transient free surface. Parameters studied in simulation, including contact angle, liquid feed rate, slit gap, and coating gap. Simulation results yielded information on operation and buildup conditions, enabling us to examine microscopic fluid flows. Experiments used a slit coater (ITRI) having a slit nozzle 370 mm wide and a 100 µm slit gap, and set on a vertical moving table. A glass substrate was fixed on a horizontal moving

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18

Diao, Junming, and Karl F. Warnick. "On the Bandwidth Gap Between the Array-Feed and Cluster-Feed Regimes for Broadband Multifeed Systems." IEEE Transactions on Antennas and Propagation 64, no. 6 (2016): 2207–16. http://dx.doi.org/10.1109/tap.2016.2543798.

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Yuan, Zhi Tao, Lei Liu, and Yue Xin Han. "Wet Pre-Concentration of Low-Grade Hematite in High-Pressure Grinding Roller." Advanced Materials Research 454 (January 2012): 363–68. http://dx.doi.org/10.4028/www.scientific.net/amr.454.363.

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The wet pre-concentration of comminuted hematite in high-pressure grinding roller was studied, using the cylindrical ferromagnetic medium in a high gradient magnetic separator. The effects of various factors including rod diameter, rod gap and background magnetic field intensity (BMFI) on the performances of pre-concentration in different size feeds are emphatically investigated. The results showed that as the rod diameter increased, the rod gap decreased and the BMFI increased, the tailings grade and the tailings yield reduced, but the concentrates recovery raised. This variation was regardle

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Saoudy, S. A., and M. Hamid. "Input admittance of a biconical antenna with wide feed gap." IEEE Transactions on Antennas and Propagation 38, no. 11 (1990): 1784–90. http://dx.doi.org/10.1109/8.102740.

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21

Motbaynor, Ambachew, Dawit Kassaye, Migbaru Keffale, and Pawlos Wasihun. "Magnitude of Aflatoxigenic Aspergillus Species, Level of Aflatoxin B1, and Associated Factors in Stored Feed at Poultry Farms in Dire Dawa, Ethiopia." Veterinary Medicine International 2021 (October 21, 2021): 1–11. http://dx.doi.org/10.1155/2021/6638083.

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Aflatoxin, the secondary toxic metabolite of Aspergillus species, particularly aflatoxigenic Aspergillus flavus and parasiticus, has a detrimental effect on poultry health and production. There exists some information gap about the magnitudes of aflatoxigenic Aspergillus species and aflatoxin in poultry feeds in the study area. Thus, the study was conducted to estimate the magnitude and assess the related potential factors of aflatoxigenic Aspergillus species with evaluations of the level of aflatoxin B1 in stored poultry feed at selected farms in Dire Dawa, Ethiopia. A cross-sectional study d

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22

Alfaez, Safaa Abdul Ghany. "Membrane Distillation Technology Using for Desalination of Associated Oil Water Production and Study Efficiency of Feed Water Operation Parameter on Air Gap Membrane Distillation Process Production." Journal of Petroleum Research and Studies 12, no. 1(Suppl.) (2022): 243–55. http://dx.doi.org/10.52716/jprs.v12i1(suppl.).635.

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In this study; membrane distillation technology using to associated oil water production desalination by air gap membrane distillation unit to removed salt from the water after separating oil product, via PTEF commercial hydrophobic membrane distillation with 0.22 µm porous and 0.011 m contact surface area, evaluated the desalination system and operation parameter for feed water effected on process production by employment the distillation under boiling point temperature that getting commercial increments and study the energy gain by calculating the GOR of the desalination process. The s

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Zhu, Lingkai, Qian Wang, Song Gao, et al. "Study on an efficiency algorithm for the opening middle tap of steam feed pump." Journal of Physics: Conference Series 2083, no. 4 (2021): 042061. http://dx.doi.org/10.1088/1742-6596/2083/4/042061.

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Abstract This paper presents a method for calculating the efficiency of steam feed pump, which fills the literature gap in calculating the efficiency of steam feed pump when the middle tap of feed pump is opened. This method has the advantages of convenient measurement and few measurement parameters. Combined with IFCIFC-97 industrial water and steam thermodynamic property model, the efficiency of feed pump can be calculated

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Baranov, N. F., V. S. Fufachiov, and R. N. Baranov. "Improvement of a feed grain crusher operation." Traktory i sel hozmashiny 79, no. 9 (2012): 41–43. http://dx.doi.org/10.17816/0321-4443-69489.

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Constructional and technological configuration of a sieve-free feed grain crusher equipped with a pneumatic loading of material is suggested. Optimal diameter of limiting ring, area of annular gap between crushing chamber and disk of the rotor wheel and also number of fan blades are described.

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Wang, Panpan, Yafeng He, Tao Yang, Bo Xu, and Bing Long. "Experiment and Modelling of Triangular Holes Array by Non-traditional Machining Process." Journal of Physics: Conference Series 2218, no. 1 (2022): 012088. http://dx.doi.org/10.1088/1742-6596/2218/1/012088.

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Abstract Triangular holes array is a common structure of the specially shaped holes that can be used for various products in aerospace vehicles. These are commonly produced in the electrochemical machining (ECM) process. The high-quality and accuracy of a triangular grid are closely related to the processing parameters of cathode structure and sidewall insulation sleeve, power supply, electrolyte flow rate, feed speed, and machining gap. Simulations have been carried out to consider the influence of parameters including structure and dimension of the cathode, initial machining gap, feed speed,

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Schwantes, Rebecca, Jakob Seger, Lorenz Bauer, et al. "Characterization and Assessment of a Novel Plate and Frame MD Module for Single Pass Wastewater Concentration–FEED Gap Air Gap Membrane Distillation." Membranes 9, no. 9 (2019): 118. http://dx.doi.org/10.3390/membranes9090118.

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Membrane distillation (MD) is an up and coming technology for concentration and separation on the verge of reaching commercialization. One of the remaining boundaries is the lack of available full-scale MD modules and systems suitable to meet the requirements of potential industrial applications. In this work a new type of feed gap air gap MD (FGAGMD) plate and frame module is introduced, designed and characterized with tap water and NaCl–H2O solution. The main feature of the new channel configuration is the separation of the heating and cooling channel from the feed channel, enabling a very h

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Dewi Puspita Sari, Evi Ristiana, Amruddin Amruddin, and Muhammad Kadir. "Penerapan Good Agricultural Practice (GAP) untuk Peningkatan Teknologi Pengelolaan Ternak dan Tanaman pada KTH Berbasis Agrosylvopastura di Desa Paopao, Kabupaten Barru." Jurnal Pengabdian Masyarakat Waradin 5, no. 1 (2024): 86–97. https://doi.org/10.56910/wrd.v5i1.434.

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Paopao Village, Tanete Rilau District, Barru Regency, is one of the centers of cattle farming, as well as one of the sub-districts that received an allocation of Limited Production Forest management so that community groups who are members of the Forest Farmer Group (FFG) can apply the Agroforestry agricultural pattern, which was later developed into an Agrosylvopastura pattern with the management of animal feed crops. During this time, traditional livestock breeding communities still rely on natural feed and plant waste which is increasingly difficult to obtain,in extreme climatic conditions.

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Saoudy, S. A., and M. Hamid. "Analysis of an arbitrarily excited – loaded dipole antenna with a derived expression for the field in the feed gap." Canadian Journal of Physics 66, no. 8 (1988): 680–91. http://dx.doi.org/10.1139/p88-113.

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Expressions are derived for the aperture time-harmonic electromagnetic fields in the feed gap of a solid infinite antenna along the z axis. This is done by matching the Fourier representation of the external electromagnetic fields to the Fourier representation of the fields inside the feed gap. The Fourier expansion is built up by superposition of basic sets of [Formula: see text]-independent cylindrical waves that are obtained from the solution of Helmholtz equations governing z-directed electric Hertzian potentials. The z-directed electric field, which is in the form of a Fourier–Bessel seri

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Khalaf, Ahmed Shamil, and Asrar Abdullah Hassan. "A Comparison Study of Brine Desalination using Direct Contact and Air Gap Membrane Distillation." Journal of Engineering 25, no. 11 (2019): 47–54. http://dx.doi.org/10.31026/j.eng.2019.11.04.

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Membrane distillation (MD) is a hopeful desalination technique for brine (salty) water. In this research, Direct Contact Membrane Distillation (DCMD) and Air Gap Membrane Distillation (AGMD) will be used. The sample used is from Shat Al –Arab water (TDS=2430 mg/l). A polyvinylidene fluoride (PVDF) flat sheet membrane was used as a flat sheet form with a plate and frame cell. Several parameters were studied, such as; operation time, feed temperature, permeate temperature, feed flow rate. The results showed that with time, the flux decreases because of the accumulated fouling and scaling on the

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Kasabegoudar, Veeresh G., Dibyant S. Upadhyay, and K. J. Vinoy. "Design Studies of Ultra-Wideband Microstrip Antennas with a Small Capacitive Feed." International Journal of Antennas and Propagation 2007 (2007): 1–8. http://dx.doi.org/10.1155/2007/67503.

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The design of an ultra-wideband microstrip patch antenna with a small coplanar capacitive feed strip is presented. The proposed rectangular patch antenna provides an impedance bandwidth of nearly 50%, and has stable radiation patterns for almost all frequencies in the operational band. Results presented here show that such wide bandwidths are also possible for triangular and semiellipse geometries with a similar feed arrangement. The proposed feed is a very small strip placed very close to the radiator on a substrate above the ground plane. Shape of the feed strip can also be different, so lon

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Gupta, Akanksha, D. K. Srivastava, and J. P. Saini. "Theoretical Analysis of Gap Coupled Microstrip Patch Antenna." Indonesian Journal of Electrical Engineering and Computer Science 7, no. 2 (2017): 567. http://dx.doi.org/10.11591/ijeecs.v7.i2.pp567-576.

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<p class="Author">When a patch is placed close to the fed patch, get excited due to parasitic coupling between the two elements. This proposed work presents theoretical analysis of rectangular gap coupled microstrip patch antenna (R-GCMSA) using circuit concept model, and the effect of gap(g), feed width (W<sub>f</sub>), and feed length on performance of the impedance bandwidth is also studied, it is observe as the gap between the parasitic element is increased resonant frequency shifted towards the parasitic patch resonant frequency for broadening the impedance bandwidth. Th

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Reddy, K. T. V., and Girish Kumar. "Dual-feed gap-coupled square microstrip antennas for broadband circular polarization." Microwave and Optical Technology Letters 26, no. 6 (2000): 399–402. http://dx.doi.org/10.1002/1098-2760(20000920)26:6<399::aid-mop15>3.0.co;2-e.

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Shah, Ali Mujtaba, Izhar Hyder Qazi, Maharach Matra, and Metha Wanapat. "Role of Chitin and Chitosan in Ruminant Diets and Their Impact on Digestibility, Microbiota and Performance of Ruminants." Fermentation 8, no. 10 (2022): 549. http://dx.doi.org/10.3390/fermentation8100549.

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The slow progress in the development of the subsector, particularly of alternative feed sources such as agro-industrial byproducts and unconventional feed resources, has deepened the gap in the availability of and accessibility to animal feed. Production of animal feed is highly resource demanding. Recently, it has been shown that increasing climate change, land degradation, and the recurrence of droughts have worsened the feed gap. In the backdrop of these challenges, there has been attention to food-not-feed components, which have great potential to substitute human-edible components in live

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Zhou, Shuofang, Dengyong Wang, Tianyu Fu, and Di Zhu. "Evolution of the Interelectrode Gap during Co-Rotating Electrochemical Machining." Metals 13, no. 10 (2023): 1771. http://dx.doi.org/10.3390/met13101771.

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A new co-rotating electrochemical machining method is presented to machine the complex structure inside annular parts such as flame tubes and aero-engine casings. Due to the unique shape and motion of electrodes, it is difficult to accurately compute the electric field intensity in the machining area. In this paper, the complex electric field model is simplified by conformal transformation, and the analytical solution of electric field intensity is exactly calculated. A material removal model is built on the basis of the electric field model, and the dynamic simulation of the material removal

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Arnaud, Eric, Régis Chantalat, Thierry Monediere, Emmanuel Rodes, and Marc Thevenot. "Achievements on circularly polarized horn-fed metallic electromagnetic band gap antenna design." International Journal of Microwave and Wireless Technologies 5, no. 4 (2013): 507–20. http://dx.doi.org/10.1017/s1759078713000019.

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This paper presents a comprehensive study on the design of a 30 GHz, circularly polarized (CP), single horn-fed, metallic electromagnetic band gap (EBG) antenna. Three different approaches have been studied in order to create a 20 dBi antenna with an axial ratio (AR) lower than 1 dB over a 500 MHz bandwidth. Based on theoretical and experimental results, a conclusion is given on the best solution to obtain the desired characteristics. Perspectives and guidelines are also given for the design of multi-feed EBG antenna as a reflector focal feed for Ka-Band Space Applications.

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Zhang, Xuan, Zhen Liu, Ping Wang, and Shiming Xu. "Experimental study on the performance of Hydrophilic porous distiller." Journal of Physics: Conference Series 2969, no. 1 (2025): 012008. https://doi.org/10.1088/1742-6596/2969/1/012008.

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Abstract Coastal power plant temperature drainage represents a low-grade heat source that is directly released into the ocean, raising the temperature by 8–12°C above the normal seawater temperature. This discharge inevitably impacts the marine ecosystem. The Hydrophilic Porous Distiller (HPD) system, driven by the warm discharge from the power plant, uses non-woven pearl cotton as the porous medium. This material not only facilitates the production of fresh water but also helps reduce or even eliminate the thermal pollution caused by the direct release of temperature drainage into the ocean.

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Shahu, Vandita T., and S. B. Thombre. "Analysis and optimization of a new cylindrical air gap membrane distillation system." Water Supply 20, no. 1 (2019): 361–71. http://dx.doi.org/10.2166/ws.2019.164.

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Abstract Membrane distillation is a rate-governed non-isothermal membrane separation technique that utilizes trans-membrane temperature difference for evaporating water and thereby separating it from brackish feed for reproducing fresh water. A novel design of a cylindrical air gap membrane distillation module is presented. The module is fabricated in a way similar to a shell and tube heat exchanger. A PTFE hydrophobic membrane is used and is formed in a cylindrical shape. Design of experiments (DOE) is used to design the experiments statistically and to identify the significant operating para

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Fall, Jean. "COMPARATIVE STUDY ON THE EFFECTS OF EXTRUDED AND NON-EXTRUDED LOCAL FEEDS VERSUS COMMERCIAL FEED ON THE ZOOTECHNICAL PERFORMANCE OF OREOCHROMIS NILOTICUS (LINNAEUS, 1758)." International Journal of Advanced Research 13, no. 06 (2025): 40–49. https://doi.org/10.21474/ijar01/21063.

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Aquaculture plays a crucial role in bridging the gap left by declining wild fisheries. However, the reliance on fish meal and fish oil for feeding farmed fish, along with the importation of industrial feed in developing countries like Senegal, limits the sectors growth. Thus, finding alternative solutions to these challenges is essential. The objective of this study was to compare the effectiveness of imported industrial feed with extruded and non-extruded local feeds, while also evaluating the effects of replacing fish meal entirely with poultry by-product meal on the zootechnical performance

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Ali, Sajid, Fahad Al-Amri, and Farooq Saeed. "Numerical and Experimental Performance Evaluation of a Photovoltaic Thermal Integrated Membrane Desalination System." Energies 15, no. 19 (2022): 7417. http://dx.doi.org/10.3390/en15197417.

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Membrane desalination (MD) is preferred over other desalination techniques since it requires a lower temperature gradient. Its performance can be further enhanced by preheating the intake of saline water. In this context, a novel solar-assisted air gap membrane desalination (AGMD) system was hypothesized. The motivation was derived from the fact that the use of solar energy to provide power and a pre-heating source for the intake of saline water can offer a sustainable alternative that can further enhance the acceptance of MD systems. Since solar panels suffer from a loss of efficiency as they

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Itika, A. J. M. "Characterisation of a Mobile Jaw Crusher for Small Scale Mining and Construction Industry." Tanzania Journal of Engineering and Technology 31, no. 2 (2008): 113–20. http://dx.doi.org/10.52339/tjet.v31i2.436.

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A small jaw crusher with a crushing capacity of 1 ton per hour has been developed for use in the small scale mining and construction industry. A 3.68 kW air cooled diesel engine was installed to power the crusher. Laboratory and field test were conducted using limestone as feed material at different operating parameters. The analysis of the product from the crusher showed that at a constant jaw gap, coarser products were obtained when the rotary speed was varied from 220 rpm to 300 rpm. With a jaw gap of 25 mm, a higher cumulative undersize fraction was obtained at particle size 25 mm. In cont

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ADNEW, Wubetie, Bimrew ASMARE, and Yeshambel MEKURIAW. "REVIEW ON KNOWLEDGE GAP IN Brachiaria GRASS RESEARCH AND UTILIZATION: ETHIOPIAN PERSPECTIVE." AgroLife Scientific Journal 10, no. 1 (2021): 9–26. http://dx.doi.org/10.17930/agl202111.

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Still food security has not been attained fully in many tropical African countries including Ethiopia. However, the issue of food security achievement has been able to realize due to various setbacks among which low productivity of crops and livestock take the lion share. Among the various constraints the parasitic weed Striga, and Stemborer pests are responsible for lower crop yields in the region. Regarding livestock feed, shortage in terms of quantity and quality are the major impediment to the livestock sector. To achieve food security, increasing crop yield and livestock production is vit

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Wang, Peng, Mark C. Converse, John G. Webster, and David M. Mahvi. "“Improved” Calculation of Reflection Coefficient for Coaxial Antennas With Feed Gap Effect." IEEE Transactions on Antennas and Propagation 57, no. 2 (2009): 559–63. http://dx.doi.org/10.1109/tap.2008.2011411.

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Sadri-Moshkenani, Parinaz, Jalil Rashed-Mohassel, and Mahmoud Shahabadi. "Microstrip Antenna Array Fed by a Low-Loss Gap-Waveguide Feed Network." IEEE Transactions on Antennas and Propagation 66, no. 8 (2018): 4359–63. http://dx.doi.org/10.1109/tap.2018.2835722.

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Kanso, A., R. Chantalat, M. Thevenot, T. Monediere, E. Arnaud, and B. Jecko. "Dual band electromagnetic band gap resonator antenna to feed a reflector antenna." Microwave and Optical Technology Letters 52, no. 8 (2010): 1750–56. http://dx.doi.org/10.1002/mop.25294.

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Ding, Kang, Tong-Bin Yu, De-Xin Qu, Wen-Quan Cao, and Wei Zhang. "Broadband circularly polarized patch antenna with gap-coupled feed and resistor loading." International Journal of RF and Microwave Computer-Aided Engineering 24, no. 5 (2014): 587–93. http://dx.doi.org/10.1002/mmce.20802.

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Chen, Daiwen, Ping Zheng, lianqiang che, and Bing Yu. "357 Bridging the gap between reality and genetic potential in pig performance by nutritional strategies." Journal of Animal Science 97, Supplement_3 (2019): 128. http://dx.doi.org/10.1093/jas/skz258.262.

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Abstract The global pork output in 2018 reached over 100 million tons and will continue to grow. However, great gap still exists between current productivity and the full genetic potential of pigs. Our hypothesis was that current nutritional profile could not meet the pig biological requirement, and that modifying nutritional strategies can maximize their genetic potential. To test this hypothesis, three experiments were conducted using fluid feed, fermented feed, and modified nutrient profile, respectively. Experiment 1 utilized 360 DLY weaning piglets with 6 replicate pens per treatment and

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Thi Bich Nhung, Nguyen, Dao Thanh Liem, and Truong Quoc Thanh. "The effects of the process parameters in electrochemical machining on the surface quality." Science & Technology Development Journal - Engineering and Technology 3, SI1 (2020): First. http://dx.doi.org/10.32508/stdjet.v3isi1.725.

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Based on the number of previous studies, this study aims to investigate the effects of process parameters of an Electrochemical Machining process, which are electrolyte concentration, the voltage applied to the machine, feed rate of the electrode, and Inter-Electrode Gap between tool and workpiece. Aluminum samples of 25 mm diameter x 25 mm height and 30mm diameter x 25mm height of the tool is made up of copper with a circular cross-section with 2 mm internal hole. The design of the system is based on the Taguchi method. Here, the signal-to-noise (S/N) model, the analysis of variance (ANOVA) a

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Abu-Zeid, Mostafa Abd El-Rady, Xiaolong Lu, and Shaozhe Zhang. "A novel internal heat recycling concept for reducing energy consumption and increasing flux through three-stage air-gap–water-gap membrane distillation system." Water Supply 20, no. 7 (2020): 2858–74. http://dx.doi.org/10.2166/ws.2020.184.

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Abstract The low flux and high energy consumption problems of the conventional three-stage air-gap membrane distillation (AG-AG-AG)MD system caused by the low temperature difference between hot and cold feed at both sides of the membrane and high boundary layer thickness were solved successfully by replacing one of the three stages of air gaps by a water gap. The novel three-stage air-gap–water-gap membrane distillation (AG-AG-WG)MD system reduced energy consumption and increased flux due to efficient internal heat recycling by virtue of a water-gap module. Heat and mass transfer in novel and

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Bieńkowski, Jerzy, and Małgorzata Holka. "Environmental Assessment of the Life Cycle of Bovine Compound Feeds from a Feed Milling Plant in a Large Commercial Farm in Wielkopolska Region, Poland." Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego 19(34), no. 1 (2019): 22–36. http://dx.doi.org/10.22630/prs.2019.19.1.2.

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In recent years, the importance of environmental threats associated with intensive livestock production has been emphasized. Compound feeds make up a part of the animal production chain. A complete assessment of the animal production system with regard to environmental criteria is therefore impossible without considering the environmental consequences of feed production. The goal of this research is to fill the gap in an environmental assessment of production processes of compound feeds in Poland. The study presents an assessment of production impacts of bovine compound feeds according to Life

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Alemu, Seyoum, and Biazen Abrar. "Utilization of Algae Based-Meal as an Alternative Protein Source in Poultry Nutrition: A Review." American Journal of Zoology 8, no. 2 (2025): 50–59. https://doi.org/10.11648/j.ajz.20250802.15.

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Feed supply accounts for the majority of chicken production costs, which are estimated to be between 60 and 75 percent. This could lead to a limitation in poultry output because conventional protein and energy sources for concentrate feeds are expensive and scarce. The most well-known traditional plant protein sources for chicken feed are leguminous seeds, cereal grains, soybean and other oil seed meal, and a variety of agro-industrial byproducts. In the current circumstances, it is no longer cost-effective to employ these traditional feed ingredients in chicken feed due to their soaring price

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