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Journal articles on the topic 'Canal Silt'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Jamali, Ali Raza, Shamshad Jamali, Asif Ali Kaleri, et al. "Influence of Various Nutrient Media on the Seed Germination, Growth and Development of Acacia (Acacia Auriculiformis L.)." Journal of Agriculture and Veterinary Science 3, no. 2 (2024): 327–36. https://doi.org/10.55627/agrivet.003.02.0784.

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The present research was carried out in 2022-23 at the SAU Nursery, Sindh Agriculture University, Tandojam, Pakistan. To assess the influence of various Nutrient Media on seed germination growth and development of Acacia (Acacia auriculiformis L.) The experimental trial was carried out in Completely Randomized Design (CRD) with three replications. Acacia seeds were grown in Nutrient Media comprising canal silt, farmyard manure, rice husk and dry leaves in (1:1) among the nutrient media comprising canal silt + Rice husk (1:1) has shown the best result in germination and growth parameters. Viz g

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2

Morton, RM. "Fish assemblages in residential canal developments near the mouth of a subtropical Queensland estuary." Marine and Freshwater Research 43, no. 6 (1992): 1359. http://dx.doi.org/10.1071/mf9921359.

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The hydrological conditions and fish fauna occurring in canal developments situated near the mouth of a subtropical estuary in southern Queensland were studied for 15 months from December 1985 to February 1987. In contrast to canal developments situated in bays or the middle reaches of estuaries, these downstream canals did not entrap sediments, and only minimal silt deposition occurred in those canals most isolated from the river. Hydrological conditions within the canals were generally within recommended limits for fish survival, although low oxygen concentrations in bottom water occurred on

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3

Kulkarni, A. A., and R. Nagarajan. "Vegetation growth impacts conveyance efficiency of irrigation canals - a geo-drone approach." International Journal of Engineering & Technology 7, no. 2-1 (2018): 305. http://dx.doi.org/10.14419/ijet.v7i2.8884.

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In spite of canals are most important conveyance systems for delivering water for irrigation in the alluvial plains of India, many irrigation canal projects are suffering from massive growth aquatic plants along the canal sides known as aquatic weeds and siltation along canal bed. Aquatic weeds are unwanted plants playing a very important role in different eco-systems and many of them cause enormous direct and indirect losses. The losses include interference with the cultivation of crops, loss of biodiversity, loss of potentially productive lands, loss of grazing areas and livestock production

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Kumawat, Sumitra, S. R. Yadav, Suresh Kumawat, S. K. Kharia, Priyanka Choudhary, and Pooja Kumari Meena. "Performance of Onion Seed Crop under the Soil Amendments and Fertilizers Application in Torripsamments." International Journal of Plant & Soil Science 35, no. 20 (2023): 773–80. http://dx.doi.org/10.9734/ijpss/2023/v35i203865.

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Sandy soils cover approximately 900 million ha worldwide particularly in arid and semi-arid regions. There are extensive areas of sandy soils under cultivation, but the soil fertility is often low and dependent on management practices for crop production so better management sandy soil conducted a field experiment at Aagricultural Research Station, Farm, SKRAU, Bikaner during Rabi 2021-22. The experiment was laid out in a split plot design involving four soil amendments i.e., Control, 2 % canal silt, compost @ 30 t ha-1 and 2 % canal silt plus ccompost @ 30 t ha-1 in main plot and four fertili

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Muhammad, Farooq, Kakar Kaleem, Kwaku Golly Moses, et al. "Comparative Effect of Potting Media on Sprouting and Seedling Growth of Grape Cuttings." International Journal of Environmental & Agriculture Research 4, no. 3 (2018): 82–89. https://doi.org/10.5281/zenodo.1215842.

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<strong><em>Abstract</em></strong><strong>—</strong> <em>A pot experiment was conducted to study the effects of potting media on sprouting and seedling growth of grape cuttings. Three grape varieties viz. Red globe, Thomson seedless and Crimson seedless were planted in four different growth media: CS-Canal silt, CSFYM-Canal silt (75%) + FYM (25%), CSB-Canal silt (25%) + Bagasse (75%) and CSBCP-Canal silt (25%) + Bagasse (50%) + Coco peat (25%). The experiment was conducted in Completely Randomized Design (CRD) along with three replications. The results revealed that almost all observed p

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Khan, Qamber, Noor-un-Nisa Memon, Niaz Ahmed Wahocho, Muzamil Farooque Jamali, Tanveer Fatima Miano, and Abdul Rafiue Bhutto. "COMPARATIVE EFFECT OF SEED PRIMING AND GROWING MEDIA ON SEED GERMINATION AND SEEDLING GROWTH OF PAPAYA (CARICA PAPAYA L.)." Tropical Agrobiodiversity 4, no. 1 (2023): 16–21. http://dx.doi.org/10.26480/trab.01.2023.16.21.

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An experiment was directed to assess the comparative effect of seed priming and growing media on seed germination and growth of papaya. Papaya seeds were primed in distilled water, 1% potassium nitrate (KNO3) for 12 hours. The un-primed seeds were taken as control. The growing medium was prepared by mixing different ratios of the canal silt, bagasse, and cocopeat. Results have shown that each experimental parameters in the current investigation was influenced by seed priming and growing media. Moreover the findings revealed that, seed priming with distilled water got the highest mean seed germ

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7

Mahessar, A. A., A. L. Qureshi, S. M. Kori, et al. "Sediment Transport Dynamics in the Upper Nara Canal Off-taking from Sukkur Barrage of Indus River." Engineering, Technology & Applied Science Research 10, no. 6 (2020): 6563–69. https://doi.org/10.48084/etasr.3924.

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Sediment material transported by the Indus River has two origins, the catchment and its wetted perimeter, whereas the amount of materials transported from the river itself depends on variables such as the flow type and the sediment load. The annual sediment load transported in the Indus River ranged from 270 to 600 million tons (MT) before the building of dams and barrages. The average sediment load is 0.715 MT/day or approximately 260 MT/ year after the construction of hydraulic structures. The average particle size, D50, of the bedload is approximately 0.125mm at the Sukkur barrage [1]. In t

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8

Mhetre, Shruti, SAMANPREET BAWEJA, Amina Raheja, and Mukesh Siag. "Inclined Tubes Clarifier for Effective Removal of Suspended Solids from Canal Water Prior to Groundwater Recharge." Journal of Agricultural Engineering (India) 61, no. 1 (2024): 112–22. http://dx.doi.org/10.52151/jae2024611.1831.

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Groundwater recharge, through surplus supplies of canal water, may prove to be an important strategy for replenishing the rapidly depleting groundwater in Punjab and managing sustainably the groundwater resources. However, presence of suspended silt load in the canal water results in clogging of recharge wells and subsequent reduction in recharge rates and capacity of filters. In present study, an inclined tubes clarifier having filtration capacity of 1.8 L s-1 was designed and fabricated to filter the silt-loaded canal water. In the clarifier, tubes of poly vinyl chloride (PVC) media of 1-m l

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Djurovic, Nevenka, and Ruzica Stricevic. "Actual state of drainage system on the experimental field "Radmilovac" and priority works to be done for the improvement of its working characteristics." Journal of Agricultural Sciences, Belgrade 49, no. 2 (2004): 169–77. http://dx.doi.org/10.2298/jas0402169d.

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This article represents data of the drainage system functioning at the experimental field "Radmilovac" just after its construction and eleven years later. In the first three years of the system functioning the values of drainage discharge, water table depth and soil moisture content were in the range which characterizes satisfactorily drained soil. The absence of weed control and luxinate growth of annual and perennial weed every year canal silting, solid waste disposal in the canal significantly reduced cross- section of the water flow and blocked the outflow of the drain pipes. Mean value of

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10

Devienna, S. N., S. H. Nugroho, A. Kurniasih, et al. "Characterization Of Sedimentary Process In An Estuarine Environment Based On Grain Size Trend Analysis And Geochemical Trace Element In The West Flood Canal River, Semarang." IOP Conference Series: Earth and Environmental Science 1047, no. 1 (2022): 012025. http://dx.doi.org/10.1088/1755-1315/1047/1/012025.

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Abstract The West Flood Canal River is one of the major rivers that flows the central of Semarang Bay. The west flood canal river is located in the middle of a densely populated residential and used as city drainage in the Semarang. Unfortunately, the upper part of the river has been swallowed up. This river has unique sedimentation dynamics, so it becomes a suitable research object to determine the relationship between river sedimentation processes and the concentration of trace elements contained in the sediment. A core sample was taken at the mouth of the west canal flood river for research

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11

Frolova, Galina, Natalia Yershova, Bakytbek Askaraliev, Esenbek Belek Uulu, Ermek Sharsheev, and Kanat Omurzakov. "Reservoir for energy purposes on the Chon-Kemin river." BIO Web of Conferences 173 (2025): 03010. https://doi.org/10.1051/bioconf/202517303010.

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This article presents the calculation of the volume of a channel basin reservoir on the Chon-Kemin river, accounting for sanitary and technical conditions and sediment accumulation. The study is driven by the necessity to optimize water supply from the river to a mini-hydroelectric power plant's (mini-HPP) diversion canal. Methods include the analysis of water pollution levels, potential algae formation, and silt clogging challenges to determine the design parameters that will ensure efficient and reliable water resource utilization. Results indicate specific strategies for water treatment and

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12

Sarwar, Muhammad Kaleem, Muhammad Naveed Anjum, and Sajid Mahmood. "Impact of Silt Excluder on Sediment Management of an Irrigation Canal: A Case Study of D.G. Khan Canal, Pakistan." Arabian Journal for Science and Engineering 38, no. 12 (2013): 3301–7. http://dx.doi.org/10.1007/s13369-013-0641-y.

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13

Ebissa, G. K. "Geological study of Gondoro Small Scale Irrigation Project." INTERNATIONAL JOURNAL OF ENGINEERING DEVELOPMENT AND RESEARCH Volume 5, Issue 2 | May 2017 (2017): 1148–56. https://doi.org/10.5281/zenodo.583716.

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The geological and geotechnical investigation for the final study of Gondoro small scale irrigation project has been conducted in parallel with the topographic survey. The investigation is conducted mainly to provide data: on foundations of structures along the main canal, water tightness of the irrigation canals, stability of canals, quality and availability of natural construction materials. The study comprises of: gathering available information about the regional geology, characterization of the geology of the project area, assessment of Ground water condition of the project area in view o

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14

Richardson, Tanya. "The Terrestrialization of Amphibious Life in a Danube Delta 'Town on Water'." Suomen Antropologi: Journal of the Finnish Anthropological Society 43, no. 2 (2019): 3–29. http://dx.doi.org/10.30676/jfas.v43i2.73062.

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The Danube Delta town of Vilkovo is often called the ‘Ukrainian Venice’ because of its 40 kilometers of canals. Many of these canals, however, are rapidly filling in with silt and are often impassible by boat. Tourism entrepreneurs and town administrators have begun lobbying for funding for a large-scale canal restoration project and for the town’s designation as a heritage site. Their tourism-development narratives, however, often overlook or simplify a complex set of social and environmental factors that have shaped residents’ past and present relationships with the Danube River. This articl

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15

Kaini, Santosh, Matthew Tom Harrison, Ted Gardner, and Ashok K. Sharma. "Comprehensive Assessment of Climate Change Impacts on River Water Availability for Irrigation, Wheat Crop Area Coverage, and Irrigation Canal Hydraulic Capacity of Large-Scale Irrigation Scheme in Nepal." Water 16, no. 18 (2024): 2595. http://dx.doi.org/10.3390/w16182595.

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While atmospheric warming intensifies the global water cycle, regionalised effects of climate change on water loss, irrigation supply, and food security are highly variable. Here, we elucidate the impacts of the climate crisis on irrigation water availability and cropping area in Nepal’s largest irrigation scheme, the Sunsari Morang Irrigation Scheme (SMIS), by accounting for the hydraulic capacity of existing canal systems, and potential changes realised under future climates. To capture variability implicit in climate change projections, we invoke multiple Representative Concentration Pathwa

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16

Gautam, Arjun. "Performance Assessment of Selected Farmer Managed Irrigation System in Kaski District, Nepal." Himalayan Journal of Applied Science and Engineering 1, no. 1 (2020): 1–10. http://dx.doi.org/10.3126/hijase.v1i1.33535.

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The performance of three Irrigation System (IS); Arva Ghari, Tirkang Kimbesi and Hemja Sinchai Pranali was assessed using the Focus Group Discussion (FGD) and structured interview. The IS situated in the Kaski district were managed by users committee which were mainly formed by the election. The water availability is sufficient in upstream and decreases towards downstream leading to tail end deprivation, however, there was no dominance of influential person in water allocation. Proper distribution system minimizes the conflict among the users which depends on the condition of the canal along w

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17

Ellur, Rajath, Ananthakumar M. A., and Krishna Desai. "Prediction and Mapping of Soil Texture at High Spatial Resolution in a Canal Irrigated Region Using Machine Learning." Journal of Geography, Environment and Earth Science International 29, no. 6 (2025): 114–25. https://doi.org/10.9734/jgeesi/2025/v29i6911.

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Accurate prediction and mapping of soil texture are essential for sustainable land and water management in irrigated agricultural regions. This study aimed to estimate and map the spatial distribution of soil texture components viz. sand, silt, and clay, across the Cauvery command area in southern Karnataka, India, using geospatial techniques and machine learning. A total of 289 surface soil samples were collected and particle size analysis was performed using the international pipette method. A set of environmental covariates, including spectral indices derived from Sentinel-2 (10 m), terrain

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18

Nagy, Sándor. "Circumstances of the establishment of the Eastern Main Channel, water utilisation problems and alternatives." Acta Agraria Debreceniensis, no. 47 (July 18, 2012): 79–84. http://dx.doi.org/10.34101/actaagrar/47/2431.

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After hundreds of years of drought in the area of Hortobágy and its surroundings brought up the idea of building a channel in Tiszántúl. It started with the idea of an irrigation canal but it ended up in a canal with high importance which can be used in many ways. Because of financial problems the necessary renovations cannot be achieved, and as a side effect the amount of silt in the water started to increase, water exploitation started to decrease, and the construction works started to get spoiled. Guided by the Water Directive the East Main Channel has become one of the most significant sur

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Auad, Maryam, Maryam Ouid, and Mohammed S. Shamkhi. "Study effect of slope change on sediment transport in the Dujila irrigation canal." Wasit Journal of Engineering Sciences 11, no. 1 (2023): 116–25. http://dx.doi.org/10.31185/ejuow.vol11.iss1.427.

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 One of the main elements influencing the Dujila River's river shape is sediment. The characteristics of sediment supplied within reach when creating hydraulic constructions like a dam, irrigation canal, maybe even to use the stream for navigation purposes, would be one of the design engineer's main concerns.. The shallow depth brought on by riverbed aggradation may have an impact on the Dujila River's utilization as a source of drinking water and agricultural irrigation. Investigating sediment movement and the features of the river bed is essential to reducing the problems caused by Riv

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Marantika, Y., S. H. Nugroho, A. Kurniasih, et al. "Multivariate statistical analysis for sedimentary characteristics in an estuarine environment of the east flood canal river, Semarang." IOP Conference Series: Earth and Environmental Science 1047, no. 1 (2022): 012008. http://dx.doi.org/10.1088/1755-1315/1047/1/012008.

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Abstract The East Flood Canal River stretches across the eastern part of Semarang, an area that is densely populated with residential and industrial areas. There are many human and industrial activities around this watershed, including the textile industry, food factories, and fish auction sites. Therefore, this river becomes an interesting research object to examine the influence of industrial activities around the river on the characteristics of the sediment. This research was conducted by examining sediment core samples from the estuary of the East Flood Canal. The research aims to reveal t

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21

Fei, Jie. "Water level change of Lake Machang in eastern China over 1814–1902 CE." Climate of the Past 18, no. 3 (2022): 649–55. http://dx.doi.org/10.5194/cp-18-649-2022.

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Abstract. Lake Machang, occupying an area of approximately 30 km2 in the city of Jining, eastern China, was a historical reservoir on the Grand Canal from the early 15th century to early 20th century. The premodern monthly water level observation of Lake Machang commenced in 1814 CE and ended in 1902 CE. The available observation data from the monthly records covered 75.6 % of the entire study period of 1814–1902. Although the water level was seemingly artificially influenced by human activities, monthly and annual water level changes still correlated well with precipitation. That is, climate

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22

HAYATU, Sa’adatu Jauro, Hussaini BELLO, Hadiza ALIYU, Mariam Oboh PETERS, Tawakalitu Biola ALABI, and Hajara Oyiza YUSUF. "Risk Assessment of the sediment from the Birmingham Canal Navigations using Contaminated Land Exposure Assessment (CLEA) software." Environmental Studies Journal 3, no. 1 (2024): 68–84. https://doi.org/10.36108/esj/4202.30.0160.

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Using the Contaminated Land Exposure Assessment (CLEA) program, the study evaluates the possible health hazards to humans posed by silt contamination in the Birmingham Canal Navigations (BCN). Twenty sediment samples were gathered along the BCN, subjected to X-ray fluorescence (XRF) analysis for heavy metal concentrations (As, Cd, Hg, and Se), and then assessed in relation to soil assessment criteria (SACs). The findings showed that whereas cadmium exceeded SACs for all age groups under allotment exposure situations, arsenic (As) and cadmium (Cd) constituted substantial dangers to children age

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23

Mishra, Ritusnata, Sanjeev Kumar, Himangshu Sarkar, and Chandra Shekhar Prasad Ojha. "Utility of Certain AI Models in Climate-Induced Disasters." World 5, no. 4 (2024): 865–902. http://dx.doi.org/10.3390/world5040045.

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To address the current challenge of climate change at the local and global levels, this article discusses a few important water resources engineering topics, such as estimating the energy dissipation of flowing waters over hilly areas through the provision of regulated stepped channels, predicting the removal of silt deposition in the irrigation canal, and predicting groundwater level. Artificial intelligence (AI) in water resource engineering is now one of the most active study topics. As a result, multiple AI tools such as Random Forest (RF), Random Tree (RT), M5P (M5 model trees), M5Rules,

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24

Soni, Aditi, and Anjali Oak. "Comparison of Canal Transportation and Centric Ability of Two Nickel-Titanium Rotary Systems Using Cone Beam Computed Tomography: An In Vitro Study." Dental Journal of Advance Studies 6, no. 02/03 (2018): 076–79. http://dx.doi.org/10.1055/s-0038-1677627.

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Abstract Aim The aim of this study was to compare the canal transportation and canal centric ability of One Shape (Micro Mega, Besançon, France) and Mani Silk (Mani Utsunomiya, Tochigi, Japan) nickel-titanium (NiTi) rotary files in curved canals with the help of cone beam computed tomography (CBCT). Materials and Methods Total 40 mesiobuccal canals of maxillary molars with an angle of curvature ranging between 25 and 45 degrees were divided according to the instrument used in canal preparation into two groups 20 samples each: One Shape (group 1) and Mani Silk (group 2). Pre- and post-instrumen

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25

Coble, Parks M. "Engineering the State: The Huai River and Reconstruction in Nationalist China, 1927 – 1937. By David A. Pietz. [New York and London: Routledge, 2002. ix+142 pp. £45.00. ISBN 0-415-93388-9.]." China Quarterly 178 (June 2004): 530–32. http://dx.doi.org/10.1017/s0305741004360297.

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Imperial China was known for its massive water control projects, most famously the Huang (Yellow) River dykes and the Grand Canal. Today's China is now constructing the largest hydroelectric project in human history, the Three Gorges dam. Sandwiched between these two eras was Republican China, when the traditional methods of construction and engineering gave way to new processes grounded in the principles of scientific hydrology and engineering largely developed in the West. In this brief but fascinating study, David A. Pietz examines the efforts of the Nationalist Government of Chiang Kai-she

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Ahmed, Talat Farid, Hashim Nisar Hashimi, Ashfaq Ahmed Sheikh, Muhammad Attiqullah Khan, and Muhammad Azeem Afzal. "Remodelling and Rehabilitation of Irrigation Outlets in Water Distribution of Canals in Punjab, Pakistan." Mehran University Research Journal of Engineering and Technology 41, no. 1 (2022): 135–45. http://dx.doi.org/10.22581/muet1982.2201.14.

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This paper highlights the problems associated with the outlets in the irrigation system of Pakistan, leading to the design of outlets, to trace the gradual evolution of various outlets types and to describe most of the types that have been evolved so far. The advantages and limitations of each type have been examined critically so that the selection of a type for any particular set of conditions may be rendered easy. An outlet is a flow measuring and controlling device between farmer’s land and an irrigation system. In Punjab about fifty thousand outlets irrigate an area of approximately 25.5

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Goray, Maryna A., Nataliia G. Gadzhula, Olena V. Muntian, Olena L. Cherepakha, and Larysa F. Kurdysh. "COMPARATIVE QUALITY ASSESSMENT OF ROOT CANAL PREPARATION WITH DIFFERENT SYSTEMS OF ENDODONTIC INSTRUMENTS." Wiadomości Lekarskie 73, no. 6 (2020): 1145–48. http://dx.doi.org/10.36740/wlek202006112.

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The aim: To compare the quality of root canal system preparation with the use of manual K-files, machine Protaper Universal and Silk files by in vitro studies. Materials and methods: Root canals preparation in 45 extracted premolars was performed in three groups with 15 teeth in each with K-files, Protaper Universal and Silk files. Transverse sections of the dental root were prepared. Histologically were assessed: amount of sawdust and predentin remaining, the purity degree of root canal walls. Results: When calculating the sawdust amount at the distance of 3 mm from an apex, a high degree of

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Zavadskiy, A. S., V. V. Surkov, A. V. Chernov, D. V. Botavin, P. P. Golovlev, and M. A. Samokhin. "TRANSFORMATION OF FLOODPLAIN LANDSCAPES UNDER THE INFLUENCE OF NATURAL AND ANTHROPOGENIC CHANGES IN THE ENVIRONMENT (ON THE EXAMPLE OF THE ZAKHARKOVO FLOODPLAIN OF THE MOSCOW RIVER)." Bulletin of Udmurt University. Series Biology. Earth Sciences 31, no. 2 (2021): 166–77. http://dx.doi.org/10.35634/2412-9518-2021-31-2-166-177.

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The Zakharkovskaya floodplain of the Moscow River is located directly above the Moscow Ring Road. It is an example of a natural structure that is spontaneously restored after long-term economic use (hayfields, pastures, long-term plowing, summer cottege settlements, drainage and irrigation channels, silt sites, etc.) under conditions of cessation of intensive anthropogenic impact. The article deals with the history of the formation and development of the Zakharkovskaya floodplain in prehistoric times (late Holocene), in the early historical period (beginning-middle of the second millennium AD)

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Raza, Irfan, Perveiz Khalid, Shahbaz Muhammad, Muhammad Irfan Ehsan, Rabia Zainab, and Naveed Akram. "Geophysical Modeling and Hydrostratigraphic Study for Assessment of Groundwater Sustainability in Southern Part of Thal Doab, Punjab, Pakistan." Journal Of The Geological Society Of India 101, no. 5 (2025): 694–705. https://doi.org/10.17491/jgsi/2025/174142.

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ABSTRACT Groundwater resources across the country are swiftly heading towards depletion and quality deterioration. This study extensively examines the geological and hydrostratigraphic complexities in Thal Doab area, Punjab, Pakistan offering valuable insights into its subsurface lithology and groundwater quality. Data from twenty five (25) Vertical Electrical Soundings (VES) using Schlumberger electrode configuration were carefully analyzed, and calibration of resistivity models was performed by comparing them to lithological borehole logs to ensure their accuracy. The study establishes a fun

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Bürklein, Sebastian, David Donnermeyer, Tim Julian Hentschel, and Edgar Schäfer. "Shaping Ability and Debris Extrusion of New Rotary Nickel-Titanium Root Canal Instruments." Materials 14, no. 5 (2021): 1063. http://dx.doi.org/10.3390/ma14051063.

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The aim was to evaluate the canal straightening and the amount of apically extruded debris associated with five rotary nickel-titanium when preparing curved root canals. A total of 100 root canals in extracted human teeth (angles of curvatures 20°–30°; radii 5.9–13.5 mm) were divided into five groups (n = 20/group). The groups were balanced with respect to the angle and the radius of canal curvature. The root canals were prepared using conventional austenite 55-NiTi alloy instruments F360, F6 SkyTaper (both Komet, Lemgo, Germany), and the heat-treated NiTi Jizai, Silk-Complex and Silk-Standard

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Melim, Leslie, James Hunter, and Mark Minton. "Torosites: A New Microbially Mediated Speleothem from Sistema los Toros, Nuevo Léon, Mexico." Journal of Cave and Karst Studies 86, no. 1-2 (2024): 1–12. http://dx.doi.org/10.4311/2022es0115.

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Although several kinds of speleothems are known to grow with pendant morphology (i.e., helictites, pool fingers, and stalactites), we describe here a new form found in Sistema Los Toros, Nuevo Léon, Mexico, which we propose to call torosites. A laminated, bladed, spar crust grew beneath remnants of a stromatolitic micritic crust and extended mostly downward as irregular finger-like protrusions (torosites) that are 2–3 mm wide and 2–3 cm long. Although mainly pendants, the individual torosites are quite irregular with growth sideways and even upward in places. The torosites thicken and thin, li

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Nayak, Mohini, Swaroop Hegde, Shruthi Nagaraja, Dinesh Kalasaiah, and Poornima Ramesh. "Effect of Motion Kinematics on Microcrack Formation in Root Canals: A Micro-CT Study." Journal of Orofacial Sciences 16, no. 1 (2024): 3–10. http://dx.doi.org/10.4103/jofs.jofs_119_23.

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Introduction: High friction and narrow root canal openings cause stress concentrations that cause dentinal abnormalities, including microcracks that can lead to catastrophic root fractures. The aim of the study is to compare the frequency of dentinal microcracks after root canal instrumentation with continuous rotary (Silk), reciprocating (Wave One Gold), and adaptive motion (Twisted File Adaptive) using micro-CT. In-vitro, experimental design. Materials and methods: Thirty freshly extracted mandibular molars with two separate mesial canals and foramina were used. The roots were allocated into

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Ahmad, Iftikhar, Saeed Ahmad Malik, Shafqat Saeed, Atta-ur Rehman, and Tariq Muhammad Munir. "Phytoremediating a Wastewater-Irrigated Soil Contaminated with Toxic Metals: Comparing the Efficacies of Different Crops." Soil Systems 6, no. 4 (2022): 77. http://dx.doi.org/10.3390/soilsystems6040077.

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A formidable challenge in suburban agriculture is the sustainability of soil health following the use of wastewater for irrigation. The wastewater irrigation likely toxifies the crop plants making them unconsumable. We used a multivariate, completely randomized design in a greenhouse, comparing the phytoextraction capacities of Brassica juncea, Eruca sativa, Brassica rapa, and Brassica napus—all grown on silt loam soil irrigated with industrial wastewater, canal water, and a 1:1 mixture, during 2018. The studied Brassica plants were generally closely efficient in remediating toxic metals found

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Kwon, Jeong Woo, and Seong Wook Seo. "A Case of Compressive Optic Neuropathy Caused by Orbital Emphysema." Journal of the Korean Ophthalmological Society 65, no. 10 (2024): 687–92. http://dx.doi.org/10.3341/jkos.2024.65.10.687.

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Purpose: We report a patient with compressive optic neuropathy (CON) in whom visual acuity (VA) was restored after removing conjunctival emphysema through the conjunctiva.Case summary: A 55-year-old man was transferred to emergency department complaining of decreased VA in the right eye after trauma to the right temporal side of the head. The best-corrected visual acuity (BCVA) was 0.6 in the right eye. We confirmed a relative afferent pupillary defect and limited eye movement inferiorly in the right eye. The patient had blown his nose several times while being transferred to the hospital. On

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Opanasenko, N. Ye, A. P. Yevtushenko, and A. P. Grishina. "Magnesian alkalinity of trenching soils of Prichernomorskaya lowland." Fundamental and Applied Soil Science 15, no. 1-2 (2014): 33–41. http://dx.doi.org/10.15421/041403.

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The data of scientists about spreading, genesis, composition and properties of low natrium soils with high content of magnesium in soil sorption complex, and its influence on plants have been considered. The aim was to determine the absorbed ability of soils and the level of saturation by bases; to determine the dependence of density of foundation, quantity of silt from the content of absorbed magnesium from magnesium water soluble salts in them; to determine kation-anion and salt composition of irrigation waters. The trenching low natrium remaining alkolinic south black soils, dark-chestnut,

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Kar, Prem P., Sandhya A. Khasnis, and Krisnamurthy H. Kidiyoor. "Comparative Evaluation of Cleaning Efficacy using Four Novel Nickel–titanium Rotary Instruments: An in vitro Scanning Electron Microscope Study." Journal of Contemporary Dental Practice 18, no. 12 (2017): 1135–43. http://dx.doi.org/10.5005/jp-journals-10024-2189.

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ABSTRACT Aim The aim of the study was to compare the cleaning efficacy (debris and smear layer removal) of two multifile rotary systems (MTwo and Silk) and two single-file rotary systems (F6 Skytaper and NeoNiTi). Materials and methods Eighty mesial canals of mandibular first molars were cleaned and shaped using four nickel–titanium (NiTi) rotary instruments to size # 25 and 3% NaOCl and 17% ethylenediaminetetraacetic acid (EDTA). Samples were randomly divided into four equal groups (n = 20) according to instrumentation: Group I, Mtwo; group II, Silk; group III, F6 Skytaper; group IV, NeoNiTi.

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RAJESHWAR, M., and V. RAMULU. "Comparison of tank silt and farm yard manures in relation to soil water retention capacity and soil fertility in redgram in alfisol of NSP left canal command area." INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES 11, no. 2 (2015): 346–49. http://dx.doi.org/10.15740/has/ijas/11.2/346-349.

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Day, John, H. Clark, Chandong Chang, Rachael Hunter, and Charles Norman. "Life Cycle of Oil and Gas Fields in the Mississippi River Delta: A Review." Water 12, no. 5 (2020): 1492. http://dx.doi.org/10.3390/w12051492.

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Oil and gas (O&G) activity has been pervasive in the Mississippi River Delta (MRD). Here we review the life cycle of O&G fields in the MRD focusing on the production history and resulting environmental impacts and show how cumulative impacts affect coastal ecosystems. Individual fields can last 40–60 years and most wells are in the final stages of production. Production increased rapidly reaching a peak around 1970 and then declined. Produced water lagged O&G and was generally higher during declining O&G production, making up about 70% of total liquids. Much of the wetland loss

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Kalpana, G., and Usha Natesan. "Sediment texture and nutrients of Muttukadu, sand bar built backwaters, Tamilnadu, India." Environment Conservation Journal 15, no. 1&2 (2014): 109–16. http://dx.doi.org/10.36953/ecj.2014.151215.

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Muttukadu backwater form a complex system of shallow estuarine network spread over an area of 0.87 km2 meant for fishing and boating activities. The study area is connected to the sea by a bar mouth, the width of which is variable from a few meters to 200 m in different months. Mouth closes due to sandbar formation from March to September. A combination of reduced river discharge, the build-up of an oceanic bar as a result of onshore sediment transport by long-period swell wave action during summer, cause the formation of sand bar. Sediments are the major sink for chemical components of water

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Zinchenko, E. V., I. N. Gorokhova, N. G. Kruglyakova, and N. B. Khitrov. "Modern state of irrigated soils at the south of the Volga upland." Dokuchaev Soil Bulletin, no. 104 (December 3, 2020): 68–109. http://dx.doi.org/10.19047/0136-1694-2020-104-68-109.

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The goal is to assess the impact of 50-year irrigation by sprinkling on soil processes occurring in the light-chestnut soils (Luvic Kastanozem (Loamic, Aric, Protosodic, Bathysalic)) of the southern slopes of the Volga upland at the Volga-Don interfluve (FSUE “Oroshaemoe”, the Volgograd region) with deep ground water. Water for irrigation is supplied from the Varvarovsky reservoir of the Volga-Don Canal system. It is characterized by a total dissolved salts of about 1 g/l, a bicarbonate-chloride-sulfate compositionwith an increased sodium content. Detailed morphological description of soil pro

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Minarto, Eko, Amanda Rizky Utami, Lina Handayani, and Yayat Sudrajat. "IDENTIFICATION OF SEAWATER INTRUSION DISTRIBUTION PATTERNS USING 2D ELECTRICAL RESISTIVITY TOMOGRAPHY (ERT) DATA IN SEMARANG, INDONESIA." Indonesian Physical Review 8, no. 2 (2025): 519–29. https://doi.org/10.29303/ipr.v8i2.461.

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Various environmental problems exist in the northern coast area of Semarang, Indonesia, including land subsidence, tidal flooding, increased chloride content in several monitoring wells, and salinity in resident wells. These issues indicate a decrease in groundwater quality caused by seawater intrusion. Sanitary and health issues have a significant impact on many environmental issues, including decreased soil fertility and building damage. The problem of seawater intrusion can be identified by the geoelectric resistivity method (multi-electrode dipole-dipole configuration). The aim of this res

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Koppolu, Madhusudhana, Chinni Suneelkumar, Anumula Lavanya, and Ram Basam. "Apical Debris Extrusion during Root Canal Preparation with ProTaper Next and Mani Silk Rotary Systems: An in vitro Study." Journal of Operative Dentistry & Endodontics 1, no. 2 (2016): 66–69. http://dx.doi.org/10.5005/jp-journals-10047-0014.

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ABSTRACT Aim To evaluate the amount of apically extruded debris after the preparation of root canals in extracted human single-rooted teeth using ProTaper Next and Mani Silk rotary systems. Materials and methods A total of 40 freshly extracted human single-rooted teeth with mature apices and straight root canal were selected and similar length were instrumented with ProTaper Next and Mani Silk rotary systems. Debris and irrigant extruded during instrumentation were collected into preweighed Eppendorf tubes. The Eppendorf tubes were then stored in an incubator at 68°C for 5 days. The weight of

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Vidinova, Yanka, Michaela Beshkova, Borislava Gyosheva, et al. "Changes of Biological Quality Elements during rehabilitation activities in LTER site Srebarna Lake, (LTER EU BG 007 "SREBARNA")." ARPHA Conference Abstracts 8 (May 28, 2025): e151267. https://doi.org/10.3897/aca.8.e151267.

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The Srebarna Lake is a shallow floodplain lake in NE Bulgaria, on the right bank of the Danube River, biosphere and managed reserve. Due to its importance as a unique ecosystem with diverse habitats and species richness it was designated as a Ramsar site (The Convention on Wetlands, RAMSAR. 1975), UNESCO Biosphere Reserve (Reserve 1977), a Monument of World Cultural and Natural Heritage (Heritage 1983), an Important Bird Area (Area 1989) and Natura 2000 protected zone (Natura 2000 protected zones 2008).The lake is characterized by an unstable water level, highly dependent on the level of the D

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Romashchenko, M. I., M. V. Yatsiuk, A. M. Shevchenko, et al. "PROBLEMS AND WATER-ECOLOGICAL RISKS OF SITE DEVELOPMENT ON THE DRAINED LANDS OF AN OLD FLOODPLAIN OF THE DNIEPER RIVER." Міжвідомчий тематичний науковий збірник "Меліорація і водне господарство", no. 1 (July 22, 2019): 20–27. http://dx.doi.org/10.31073/mivg201901-170.

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Relevance of research. In recent years, in Ukraine, the development of re-cultivated drained lands takes place, in particular, in the floodplains of the rivers. In the process of construction, drainage systems designed to protect agricultural land and adjoining areas against flooding are often disrupted. In addition, peat and silt deposits may be spread in the floodplain areas, which considerably complicate the construction. The transformation of agricultural drained lands of floodplains in the built-up areas is also associated with an increased risk of flooding, contamination of surface and g

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Ariawan, Febio, Haeruddin Haeruddin, and Arif Rahman. "HUBUNGAN ZAT HARA (HNO3-DAN PO4-) SEDIMEN TERHADAP KELIMPAHAN DAN KEANEKARAGAMAN MAKROZOOBENTOS DI SUNGAI BANJIR KANAL BARAT, SEMARANG Relationship between Sediment Fertility and Macrozoobenthos Abundance and Diversity in the Banjir Kanal Barat River, Semarang." Management of Aquatic Resources Journal (MAQUARES) 8, no. 4 (2020): 300–308. http://dx.doi.org/10.14710/marj.v8i4.26548.

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Sungai Banjir Kanal Barat membutuhkan perhatian serius dari berbagai elemen masyarakat, dikarenakan sungai ini banyak digunakan oleh masyarakat. Kandungan nutrien yang ada di sedimen berpengaruh terhadap keanekaragaman dan kelimpahan makrozoobentos jika semakin berlimpah dan beranekaragam maka sungai itu memiliki kesuburan yang tinggi. Tujuan penelitian ini untuk mengetahui tekstur, konsentrasi nitrat dan fosfat pada sedimen, kelimpahan dan keanekaragaman makrozoobentos serta hubungan antara kesuburan pada sedimen dengan kelimpahan dan keanekaragaman makrozoobentos di Sungai Banjir Kanal Barat

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Ferreira, Manuel Marques, Maria Filomena Botelho, Margarida Abrantes, Lina Carvalho, and Eunice Carrilho. "Histologic evaluation of the effect of mineral trioxide aggregate-Fillapex as a root canal sealer in rat teeth submitted to late replantation." European Journal of Dentistry 11, no. 01 (2017): 089–93. http://dx.doi.org/10.4103/ejd.ejd_106_16.

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ABSTRACT Objective: This study aims to analyze the effect of new root canal based silicate cement, in rat teeth after late replantation, comparing with calcium hydroxide (CH) in preventing tooth root resorption. Materials and Methods:The study group included 16 Wistar rats in which the upper right central incisors were extracted and were left on a worktable for 60 min, simulating a case of tooth avulsion, after had been anesthetized. One group, (Group I), the canals were filled with CH past, before replantation. The second groups of teeth, (Group II), the canals were filled with mineral trioxi

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Gounou Pokam, Blaise Pascal, Janvier Domra Kana, Jorelle Larissa Meli’i, et al. "An Attempt to Study Foundation Anchoring Conditions in Sedimentary Estuaries Using Integrated Methods." Applied Sciences 12, no. 14 (2022): 7175. http://dx.doi.org/10.3390/app12147175.

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The search for and knowledge of the best conditions for anchoring the foundations of certain structures such as bridges, tunnels and quays in sedimentary estuaries is a challenge, for both scientists in general and engineers in particular. Indeed, wharves are structures that receive a lot of stresses and therefore require anchoring to avoid tilting and to guarantee their stability during service. This work, based on the analysis of data from seismic refraction methods, mechanical soundings and laboratory tests, characterises the terrain of the Wouri estuary in Central Africa. The objective is

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Prasada, L. Krishna, K. Suhas, and U. Akshay Kumar Pai. "An in vitro evaluation of dentinal microcrack formation during root canal preparations by three different nickel–titanium systems: ProTaper Gold, HyFlex CM, and Silk." Endodontology 36, no. 1 (2024): 30–34. http://dx.doi.org/10.4103/endo.endo_100_23.

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Aim: This study aimed to compare the frequency of dentinal microcracks after root canal shaping with three different nickel–titanium (NiTi) systems, namely, ProTaper Gold (PG), HyFlex CM (HCM), and Silk. Methods: One hundred mandibular premolars with a single canal were chosen for this study. All specimens were decoronated and divided into four groups of 25 each. Teeth were mounted in the acrylic block with simulated periodontal ligaments. Group I served as a negative control Group, in which no treatment was performed. Biomechanical preparation was done in the Group II, using the Protaper gold

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Sumampa-Coria, Maria, Milagros A. Álvarez-Gutiérrez, Pablo S. Reineri, and Gustavo A. Palma. "El Efecto de la suplementación con maíz sobre la expresión de genes asociados a grasa intramuscular." Revista MVZ Córdoba 26, no. 1 (2020): e1995. http://dx.doi.org/10.21897/rmvz.1995.

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Objetivo. Determinar el efecto de la suplementación con silo de maíz en la expresión de genes asociados al contenido de grasa intramuscular en el músculo longissimus dorsi de novillos Braford. Materiales y Métodos. Se utilizaron 30 novillos Braford. Durante 120 días 15 animales fueron suplementados con silo de maíz al 1% de su peso vivo (Supl), y 15 animales fueron alimentados solamente en pastura tropical (Cont). La faena se realizó a los 26 meses de edad con 464±17 Kg. Mediante la reacción en cadena de la polimerasa en tiempo real (RT-qPCR), se determinó la expresión de los genes transportad

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Gregg, M. C., and L. J. Pratt. "Flow and Hydraulics near the Sill of Hood Canal, a Strongly Sheared, Continuously Stratified Fjord." Journal of Physical Oceanography 40, no. 5 (2010): 1087–105. http://dx.doi.org/10.1175/2010jpo4312.1.

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Abstract Hood Canal, a long fjord in Washington State, has strong tides but limited deep-water renewal landward of a complex constriction. Tide-resolving hydrographic and velocity observations at the constriction, with a depth-cycling towed body, varied markedly during three consecutive years, partly because of stratification variations. To determine whether hydraulic control is generally important and to interpret observations of lee waves, blocking, and other features, hydraulic criticality is estimated over full tidal cycles for channel wide internal wave modes 1, 2, and 3, at five cross-ch

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