Relevant bibliographies by topics / Lake Tuborg

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Lake Tuborg'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Lake Tuborg"

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Lewis, Ted, Pierre Francus, and Raymond S. Bradley. "Limnology, sedimentology, and hydrology of a jökulhlaup into a meromictic High Arctic lake." Canadian Journal of Earth Sciences 44, no. 6 (2007): 791–806. http://dx.doi.org/10.1139/e06-125.

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A large ice-dammed lake drained catastrophically into Lake Tuborg, Ellesmere Island, beginning on 25 July 2003. Limnological, sedimentological, and hydrological parameters were recorded before, during, and after this event. For several weeks prior to the jökulhlaup, water overtopped the ice-dammed lake and flowed into Lake Tuborg's freshwater basin. A shallow sill separates the freshwater basin from a larger, deeper basin containing ~25 PSU (practical salinity units) salt water. The sill blocked underflows from entering the saltwater basin before the jökulhlaup. The ice-dammed lake drained com
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Braun, C., D. R. Hardy, R. S. Bradley, and M. J. Retelle. "Hydrological and meteorological observations at Lake Tuborg, Ellesmere Island, Nunavut, Canada1." Polar Geography 24, no. 2 (2000): 83–97. http://dx.doi.org/10.1080/10889370009377689.

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Lewis, Ted, Pierre Francus, and Raymond S. Bradley. "Recent occurrence of large jökulhlaups at Lake Tuborg, Ellesmere Island, Nunavut." Journal of Paleolimnology 41, no. 3 (2008): 491–506. http://dx.doi.org/10.1007/s10933-008-9240-4.

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Smith, Sheldon V., Raymond S. Bradley, and Mark B. Abbott. "A 300 year record of environmental change from Lake Tuborg, Ellesmere Island, Nunavut, Canada." Journal of Paleolimnology 32, no. 2 (2004): 137–48. http://dx.doi.org/10.1023/b:jopl.0000029431.23883.1c.

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Williamson, Scott, Martin Sharp, Julian Dowdeswell, and Toby Benham. "Iceberg calving rates from northern Ellesmere Island ice caps, Canadian Arctic, 1999–2003." Journal of Glaciology 54, no. 186 (2008): 391–400. http://dx.doi.org/10.3189/002214308785837048.

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AbstractOptical satellite imagery was used to estimate glacier surface velocities and iceberg calving rates from Agassiz and western Grant Ice Caps, Nunavut, Canada, between 1999 and 2003. The largest mean annual surface velocities ranged from ∼400 to 700 m a−1, but velocities in the ∼100–200 m a−1 range were common. Summer velocities were up to an order of magnitude larger than annually averaged velocities. The highest velocity (∼1530 m a−1) was measured on the floating tongue of Lake Tuborg Glacier between 19 July and 19 August 2001. Calving rates from individual glaciers varied by up to a f
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Harbaugh, Brent K., David A. DeVoll, and R. Zalewski. "Phosphorus Fertilization for Caladium Tuber Production on Organic Soil." HortTechnology 10, no. 1 (2000): 169–71. http://dx.doi.org/10.21273/horttech.10.1.169.

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Phosphorus is considered a major pollutant of lakes in central Florida, and growers producing crops in the Lake Okeechobee watershed are being challenged to reduce use of P fertilizer. Caladium (Caladium×hortulanum Birdsey) tubers are produced on organic soils within this area. This study was done to determine if current commercial P fertilization rates could be reduced or eliminated, since these organic soils have high levels of water extractable P (Pw). Two farms were selected with low (Farm A 19 lb/acre; 21 kg·ha-1) or high (Farm B 59 lb/acre; 66 kg·ha-1) preplant Pw levels. Production of c
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K. Pabico, Jonnel. "ANALYSIS OF THE MICROCONTROLLER-BASED ELECTROCOAGULATOR IN TREATING LAKE WATER." International Journal of Advanced Research 8, no. 10 (2020): 1007–17. http://dx.doi.org/10.21474/ijar01/11928.

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The Automatic Tubig Machine: A Microcontroller-Based Lake Water Treatment with Electrocoagulation is an integration of different ways of treating and purifying lake water from the Caliraya Lake emphasizing the performance of electrocoagulation in the whole process. Its main purpose is to treat water samples from different barangays surrounding Caliraya and Lumot Lake. The two adjacent lakes are strategically designed to gather water from the surrounding and use it to power the turbine, which generates electricity. The water from the lake is considered because the quality is deteriorating and n
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CONG, PEIHAO, LEI CAO, ANTHONY D. FOX, et al. "Changes in Tundra Swan Cygnus columbianus bewickii distribution and abundance in the Yangtze River floodplain." Bird Conservation International 21, no. 3 (2011): 260–65. http://dx.doi.org/10.1017/s0959270911000098.

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Approximately 75% of the East Asian Flyway Tundra Swan Cygnus columbianus bewickii population winters in the Yangtze River floodplain, China. Historically the species was more widely distributed throughout the floodplain but now most of the population is confined to five wetlands in Anhui Province and to Poyang Lake in Jiangxi Province, where the majority (up to 113,000 birds) occur. Within-winter counts suggest that swans congregate at Poyang Lake before dispersing to other sites later in the winter. Counts show large between-year fluctuations, but suggest declines at Shengjin and Fengsha Lak
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Arifin, Zainal, Maskota Delfi, and Sidarta Pujiraharjo. "Tunggu Tubang: Marginalisasi Perempuan Semende." Musãwa Jurnal Studi Gender dan Islam 16, no. 2 (2017): 236. http://dx.doi.org/10.14421/musawa.2017.162.236-247.

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Semende ataupun komunitas Semendo adalah sebuah kelompok etnik yang tinggal di daerah pegunungan Sumatra Selatan. Sebuah aspek penting dari kultur kehidupan mereka adalah tunggu tubang. Menurut tradisi, kekayaan keluarga yang terdiri dari rumah keluarga dan lahan pertanian, akan diserahkan kepada anak perempuan tertua dalam setiap generasi. Artikel ini bertujuan untuk menjelaskan tradisi tunggu tubang sebagai identitas yang unik yang membedakan komunitas Semende dengan komunitas lain. Disamping untuk menjaga keberlangsungan komunitas, tunggu tubang juga sebagai alat legitimasi untuk kontrol ke
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BURNHAM, JAMES, JEB BARZEN, ANNA M. PIDGEON, et al. "Novel foraging by wintering Siberian Cranes Leucogeranus leucogeranus at China’s Poyang Lake indicates broader changes in the ecosystem and raises new challenges for a critically endangered species." Bird Conservation International 27, no. 2 (2017): 204–23. http://dx.doi.org/10.1017/s0959270916000150.

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SummaryFollowing an abnormal flood in 2010 at China’s Poyang Lake, we observed wintering Siberian Cranes Leucogeranus leucogeranus switch from foraging in the shallow-water wetlands they typically use to grassland habitats. These previously undocumented habitat selection patterns raised questions whether differences in crane behaviour such as foraging success existed between the two habitats and how those differences might affect this critically endangered species. Over two winters, we used the density of customary food items (tubers of Vallisneria spp.) obtained from long-term monitoring effo
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Dissertations / Theses on the topic "Lake Tuborg"

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Hollywood, Jane Constance. "Biological control of late blight of potatoes : in vivo and in vitro evaluation of microbial antagonists against tuber blight." Thesis, University College London (University of London), 2004. http://discovery.ucl.ac.uk/1446592/.

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The cost of losses and control measures attributed to late blight of potatoes caused by Phytophthora infestans, are estimated to exceed $5 billion annually. Breeding for resistance is difficult owing to the tetraploid genotype of potato and current strains of the pathogen have developed resistance to chemical control. Consequently the search for biological control has assumed greater importance. In this investigation an in vivo bioassay was used to select soils antagonistic to late blight of potatoes, caused by Phytophthora infestans. Four out of eight samples demonstrated reproducible antagon
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Santos, Joana. "Effects of fertility management and natural foliar sprays on late blight (Phytophthora infestans), potato yield and tuber quality in organic potato production systems." Thesis, University of Newcastle Upon Tyne, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433142.

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Juntharathep, Pintip. "Effect of varietal resistance, copper fungicides and agronomic practices on late blight (Phytophthora infestans), potato yield and tuber quality characteristics and soil Cu levels in organic potato production systems." Thesis, University of Newcastle Upon Tyne, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.413019.

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Lewis, Edward. "Normal and extreme sedimentation and physical processes in Lake Tuborg, Ellesmere Island, Nunavut." 2009. https://scholarworks.umass.edu/dissertations/AAI3379980.

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Lake Tuborg is a large lake on west-central Ellesmere Island, Nunavut. Part of the lake is meromictic, and contains trapped saltwater below about 55 m depth. The lake receives meltwater and sediments from multiple sources, including snowmelt and glacier melt. A lake process study was undertaken from 2001-2003 at Lake Tuborg that involved obtaining profiles of water temperature, salinity, transmissivity, and dissolved oxygen. Networks of short and long sediment cores were also obtained throughout the lake. During the last year of monitoring the lake and its sediments, a large catastrophic drain
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Ronald, Andrew. "Effect of preharvest management on yield, process quality, and disease development in Russet Burbank potatoes." Thesis, 2005. http://hdl.handle.net/1993/119.

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Phytophthora infestans (Mont) de Bary is a devastating pathogen in potato producing regions around the world. Populations of the organism in Canada shifted during the mid-1990’s as the US-1 strain (A1, metalaxyl-sensitive) was displaced by the highly aggressive, US-8 strain (A2, metalaxyl-insensitive). An increase in the incidence and severity of late blight has followed. Late blight is controlled by cultural practices aimed at eliminating disease sources and by the application of foliar fungicides. Tubers can become infected at harvest from contact with blighted vines leading to severe losses
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Books on the topic "Lake Tuborg"

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Bradbury, Jim. Lake fly fishing guide. F. Amato, 1994.

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Advanced lake fly fishing: The skillful tuber. Frank Amato Publications, 1991.

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Darsow, U. Pre-breeding and breeding of potatoes for quantitative resistance to Phytophthora infestans on foliage and tubers and for different utilization: Problems, solutions and results. Julius Kühn-Institut, Bundesforschungsinstitut für Kulturpflanzen, 2014.

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Fichtner, Alexander, and Franz Schaefer. Acute kidney injury in children. Edited by Norbert Lameire. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0239.

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In the past few decades, the overall incidence of acute kidney injury (AKI) in paediatric patients has increased and the aetiological spectrum has shifted from infection-related and intrinsic renal causes towards secondary forms of AKI related to exposure to nephrotoxic drugs and complex surgical, oncological, and intensive care manoeuvres. In addition, neonatal kidney impairment and haemolytic uraemic syndrome continue to be important specific paediatric causes of AKI raising unique challenges regarding prevention, diagnosis, and treatment. The search for new biomarkers is a current focus of
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Book chapters on the topic "Lake Tuborg"

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van Vierssen, W., and M. J. M. Hootsmans. "Photoperiodic effects on photosynthesis and tuber production in Potamogeton pectinatus L." In Lake Veluwe, a Macrophyte-dominated System under Eutrophication Stress. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-2032-6_7.

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van Vierssen, W., A. Mathies, and J. E. Vermaat. "Early growth characteristics of Potamogeton pectinatus L.: the significance of the tuber." In Lake Veluwe, a Macrophyte-dominated System under Eutrophication Stress. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-2032-6_8.

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Barker, Graeme. "Weed, Tuber, and Maize Farming in the Americas." In The Agricultural Revolution in Prehistory. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780199281091.003.0012.

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The American continent extends over 12,000 kilometres from Alaska to Cape Horn, and encompasses an enormous variety of environments from arctic to tropical. For the purposes of this discussion, such a huge variety has to be simplified into a few major geographical units within the three regions of North, Central, and South America (Fig. 7.1). Large tracts of Alaska and modern Canada north of the 58th parallel consist of tundra, which extends further south down the eastern coast of Labrador. To the south, boreal coniferous forests stretch eastwards from Lake Winnipeg and the Red River past the Great Lakes to the Atlantic, and westwards from the slopes of the Rockies to the Pacific. The vast prairies in between extend southwards through the central United States between the Mississippi valley and the Rockies, becoming less forested and more open as aridity increases further south. South of the Great Lakes the Appalachian mountains dominate the eastern United States, making a temperate landscape of parallel ranges and fertile valleys, with sub-tropical environments developing in the south-east. The two together are commonly referred to as the ‘eastern Woodlands’ in the archaeological literature. On the Pacific side are more mountain ranges such as the Sierra Nevada, separated from the Rockies by arid basins including the infamous Death Valley. These drylands extend southwards into the northern part of Central America, to what is now northern Mexico, a region of pronounced winter and summer seasonality in temperature, with dryland geology and geomorphology and xerophytic vegetation. The highlands of Central America, from Mexico to Nicaragua, are cool tropical environments with mixed deciduous and coniferous forests. The latter develop into oak-laurel-myrtle rainforest further south in Costa Rica and Panama. The lowlands on either side sustain a variety of tropical vegetation adapted to high temperatures and frost-free climates, including rainforest, deciduous woodland, savannah, and scrub. South America can be divided into a number of major environmental zones (Pearsall, 1992). The first is the Pacific littoral, which changes dramatically from tropical forest in Colombia and Ecuador to desert from northern Peru to central Chile. This coastal plain is transected by rivers flowing from the Andes, and in places patches of seasonal vegetation (lomas) are able to survive in rainless desert sustained by sea fog.
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Maji, S., Pramiti K. Chakraborty, S. Basu, et al. "Crop Weather Interaction in Potato in South Bengal Plains." In Sustainable Potato Production and the Impact of Climate Change. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1715-3.ch003.

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Potato is one of the main staple foods in West Bengal, where it ranks second in production after Uttar Pradesh. There is lots of variation in productivity of the crop. It is due to climatic variability which causes widespread disease infection in potato crop. The shifting of onset and withdrawal of monsoons has also proved to be a barrier in the productivity of the crop. The farmers are habituated to plant the crop within 15th of November; however this is being disrupted because of the shifting of withdrawal of monsoons. Potato is a thermo sensitive crop. The crop growth rate of potato is significantly affected by cumulative maximum and minimum temperatures. Leaf area index significantly decreased with the increase in cumulative maximum and minimum temperatures. Rainfall and relative humidity are two crucial factors that determine the incidence of late blight in potato, the most devastating disease in Bengal. Rainfall increased productivity by lowering soil temperature and reducing hydrolysis of starch respiratory losses from tubers.
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VanderZaag, Peter, Tung Xuan Pham, Victoria Escobar Demonteverde, et al. "Apical Rooted Cuttings Revolutionize Seed Potato Production by Smallholder Farmers in the Tropics." In Solanum tuberosum - a Promising Crop for Starvation Problem [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98729.

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Potato apical rooted cuttings (ARC) originating from juvenile simple rounded leaf mother plants are a significant new way of transplanting and field growing of seed potatoes under smallholder field conditions in the tropical highlands. The aim of this paper is to highlight the development of the technology by researchers and farmers in Vietnam, Philippines, Kenya and Uganda. The development of cultivars with late blight resistance for which no source of tuber seed was available stimulated the creation of using ARC. The demystification of tissue culture by the 1980s greatly aided this development. The key hurdle was to multiply tissue culture plants in beds of growing media and maintain the physiological young stage of the mother plants from which apical cuttings could be repeatedly taken for several months to produce ARC for sale to farmers who demanded the new cultivars (cvs) with all the desirable attributes. The technology was first developed in warmer climates at lower elevations of less than 1,500 meters above mean sea level (mamsl) but gradually it was successfully developed at cooler climates in East Africa. The technology is well established in the highlands of Vietnam and Philippines. The largest family operation is producing over 4 million ARC annually. These high-quality ARC along with improved cvs have markedly improved yields of smallholder farmers, improving food security and increasing their income levels. In Kenya and Uganda there is a rapid adoption of ARC by seed producers, smallholder farmers and youths. The ARC revolution is bringing a great deal of excitement and promise of prosperity to remote poor highland communities.
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Conway, G. "Practical innovation: Partnerships between Scientists and Farmers." In Feeding a World Population of More Than Eight Billion People. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195113129.003.0027.

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Farmers have been experimenters since the beginning of agriculture. Hunters and gatherers had long since learned to use fire as a means of stimulating the growth of tubers and other food plants, and of grass to attract game. Plant selection began when people found they could encourage favored fruiting trees by clearing their competitive neighbors, but the first steps toward intensive plant breeding were taken when an individual, probably a woman rather than a man, deliberately sowed a seed from a high-yielding plant somewhere near the dwelling and observed it grow to maturity. In Europe and Asia, wheat and rice naturally attracted experimental attention. Because they are predominantly self-pollinating, selection produces rapid improvements and the rare crosses provide new material, often with exciting potential. The first bread wheat, a natural cross between emmer wheat and a wild goat grass, was noticed by farmers as early as 8,000 years ago; it was the kind of exotic cross that modern genetic engineers strive for and that is announced in the press, today, as a miracle variety. Farmers continued to domesticate new species, but most attention was devoted to the local selection and adaptation of the existing relatively small number of cereals and livestock. Experimentation also resulted in new whole systems of agriculture— swidden, rice terracing, home gardens, irrigated agriculture, the Mediterranean Trio of wheat, olives, and vines, the Latin American multiple cropping of maize, beans, and squashes, and, in many parts of the world, various forms of integrated crop-livestock agriculture. As is evident from their writings, the Romans analyzed the structure and functions of agricultural systems in a scientific manner. They also described the process of experimentation. Marcus Terentius Varro, who wrote a treatise on agriculture in the 1st century BC, urged farmers to both “imitate others and attempt by experiment to do some things in a different way. Following not chance but some system: as, for instance, if we plough a second time, more or less deeply than others, to see what effect this will have” (Hooper and Ash, 1935). The great agricultural revolution of Britain in the late 18th century was led by farmers.
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"altae. Rhizoma crassum abbreviatum, fuscum, tenuiter fibrillosum. Caules 5-8 (10), foliis emortuis haud involucrati, ascendentes vel recti, simplices, vegetatione abeunte superne subramosi, pilis simplicibus semiappressis longis tecti. Folia radicalia numerosa, haud congesta, spathulata vel oblongo-elliptica obtusa, 2-5 cm longa, 0.4-1.2 cm lata, longe petiolata, petiolo lamina duplo-triplo longiore, pilis longis patentibus et semiappressis utrinque tecta, caulina sessilia ovata vel anguste ovata, breviter acuminata, basi lata, cauli semiappressa, pilis rectis semiappressis et patentibus utrinque, margine praecipue, tecta. Inflorescentia e cincinnis 2-3 formata, anthesi ineunte compacta, abeunte vero plus minusue laxa, brevis, caule 4-5-plo brevior. Flores pallide vel atro-cyanei. Calyx minus, quam ad 2/3 in lacinias acute triangulares fissus , florifer 2-3 mm longus, fructifer 3-4 mm longus, pilis rectis appressis et semiappressis densis (falciformibus et hamatis basi nullis) vestitus. Coroll a coerulea, limbo 6-7 mm diam., tubo ca. 2 mm longo, lobis late orbicularibus. Stylus calice brevior. Pedicelli fructiferi 4.5-5 mm longi, patentes, pilis rectis brevibus dense vestiti. Eremi 1.7-1.8 mm longi, elliptici, atro-fusci, margine angustissime alati, ventre subcarinati, areola late elliptica, canaliculis lateralibus exarata. Typus: Orientalis Sajan, jugum Udinskij fontem fluminus Issug-Sug, regio alpis 2050 ms.m., tundra lichenosa, 15/VI1961, L. Malyschev (NSK). Affinitas. Species M. asiática (Vestergren) Schischkin et Serg. arcticae incolae valde affinis et olim cum ea saepe conjuncta sed, eremis late ellipticis (nee anguste ellipticis), margine anguste alatis (nee late, apice praecipue alatis), foliis utrinque pilosis (nee subtus glabris), calycis dentibus triangulari-lanceolatis divergentibus (nee lineari-lanceolatis conniventibus), calyce pilis tenuibus rectis tantum (nee rectis et falciformibus) tecto differt. Perennial green loose-caespitose multicaulis (10) 15-20 cm tall plant. Rhizome stout, contracted, brown, with slender cinnamonic fibrils. Stems 5-8 (10), without involucre of dead leaves, ascending or erect, simple, weakly branched i n upper part toward end of vegetation, pubescent with long semiappressed simple hairs. Radical leaves many, not aggregated, spatulate or oblong-elliptical, obtuse, 2-5 cm long, 0.4-1.2 cm broad, long-petiolate, 2-3 times surpassing, leaf blade, pubescent on both surfaces with long patent and semiappressed hairs. Cauline leaves sessile, ovate or narrow-ovate, short-cuspidate, with broad base, semiappressed to stem, pubescent on both surfaces and specially along margin with erect semiappressed and patent hairs. Inflorescence consisting of 2 or 3 whorls, compact at commencement of anthesis, mor e or less lax toward end of anthesis, short, reaching 1/5-1/4 of stem length. Corolla blue, limb 6-7 mm in diam., tube about 2 mm long, lobes broad-orbicular. Style shorter than calyx. Calyx incised for less than 2/3 into sharp deltoid lobes, 2-3 mm long in flower, 3-4 mm long in fruit, compactly pubescent with only erect and semiappressed hairs; falcate and uncinate hairs absent at base of calyx. Fruit stems 4.5-5 mm long, declinate from stem, compactly pubescent with short erect hairs. Erema 1.7-1.8 mm long, elliptical,." In Flora of Siberia, Vol. 11. CRC Press, 2006. http://dx.doi.org/10.1201/9781482279696-24.

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Conference papers on the topic "Lake Tuborg"

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Adamson, S. J., A. Rodriguez, and L. J. Leising. "Coiled Tubing Drilling on Lake Maracaibo." In International Petroleum Conference and Exhibition of Mexico. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/28725-ms.

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Lizak, Ken, James Patterson, Diego Suarez, and Jose Salas. "Coiled Tubing Workover Saves Horizontal Well in Lake Maracaibo." In Offshore Technology Conference. Offshore Technology Conference, 1996. http://dx.doi.org/10.4043/8224-ms.

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Bortolin, L. L. "Experience with the Use of Reeled Tubing in Gas Lift Completion in Lake Maracaibo." In SPE Latin America/Caribbean Petroleum Engineering Conference. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/26968-ms.

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Zakaria, Ahmad Zahid Murshidi, Muhammad Idham Khalid, Shahrul Nizam Mohd Effendi, Mark Arathoon, Mohamad Zakwan Zainal Abidin, and Mohamad Afzal Abdul Jalil. "Expanding Horizon - A Feasibility Study on Implementing PMCD Operation Using Coiled Tubing Drilling Technology to Develop Marginal Reserves in Karstic Carbonate Reservoir, Offshore Malaysia." In IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206388-ms.

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Abstract With the current uncertain situation regarding the stability of oil prices in the world, operators have been pushed to develop their available resources in a cost-effective way. Lately, there has been increased interest in the application of Coiled Tubing Drilling, especially for accessing bypassed hydrocarbon in mature or late-stage fields. This paper describes the feasibility study done to examine the possibility of using Coiled Tubing Drilling package/equipment to drill and complete a sidetrack well in a karstic carbonate reservoir with total losses issue by applying the principles
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Wang, Jie, Fujian Zhou, Lufeng Zhang, Fan Fan, and Hong Yang. "Application of Fine Water Plugging Technology With Coiled Tubing in High Water Cut Wells." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-78342.

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Water logging problem in late production reservoir with abundant edge-bottom water and water-gas layer stagger is one of the main factors that lead to production wells stop flow. For the water plugging problem during gas well production, the common operation is coiled tubing through casing. So, coiled tubing technology without moving production string is explored. X oilfield is located in Sichuan basin of China southwest and belongs to the origin of gas pipeline from Sichuan to China east. Its main gas producing area is carbonatite full of edge water and controlled by structural and lithology.
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Durance, David, Ken Sedman, John Roberts, and Jeff Gorman. "FFS Issues for Steam Generator Tube (Top of Tubesheet) Intergranular Attack/Stress Corrosion Cracking." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75599.

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The degradation of Unit 4 SG tubing by IGA/SCC has recently limited both the operating period and end of life predictions for Unit 4 since restart in late 2003. SG4 has experienced the most significant damage with substantial increases in both initiation and growth rates from 2005 through the spring of 2007. A detailed review of the occurrence of circumferential OD IGA/SCC at the RTZ in the HL TTS region of Bruce 4 steam generator tubes has led a conclusion that it is probable that the IGA/SCC has been the result of attack by partially reduced sulfur species such as tetrathionates and thiosulf
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Raza, Mustansar, Hossam Elmoneim, Kris Looten, et al. "Making Workovers Easy and Cost Effective: Turning Old Ways into New Opportunities." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206086-ms.

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Abstract A case study and methodology is presented to shed the light on the different processes followed during the placement of a non-damaging isolation barrier in a group of highly naturally-fractured and vugular gas wells. The temporary isolation aims at isolating the wellbore from the troublesome formation and allow the removal of the original completion string and install a new redesigned one. The process helped putting the wells back on production with-out the need to stimulate any of them. This helped client to reduce the overall workover cost by 40% and proved to be successful and effi
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Vorfeld, Jeff. "Experiences With On-Line Explosive De-Slagging at Covanta WTE Facilities." In 15th Annual North American Waste-to-Energy Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/nawtec15-3214.

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An on-line cleaning technique perfected in Europe, which places low-yield explosive charges in close proximity to tube lane pluggage, and uses pre- and post-cleaning video camera surveillance to document results, has been tested at three WTE facilities in the western U.S. operated by Covanta. Testing indicates several tangible benefits relative to the more traditional off-line blasting, water washing (on-line and off-line), and stick blasting (on-line), including: • substantial elimination of cleaning related downtime between maintenance outages; • longer runtimes with less overall fouling and
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Laastad, Bjørn, Knut Ellevog, Roger Oen Jensen, Torstein Tveit, Eirik Torgrimsen, and Ingmar Jensen. "Troll Phase 3: The Next Step for a Groundbreaking Giant." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/30954-ms.

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Abstract An important driver for maximizing value creation for the Troll Phase 3 gas project offshore Norway was to identify means to reduce the pressure drop in the value chain from the reservoir to the onshore terminal. Using a design-to-cost approach in the concept selection phase, this has affected design of the wells, subsea production system, pipeline and the new inlet separator on the Troll A platform; all of which have been designed to preserve the energy from the reservoir as much as possible. The final design has enabled a significant increase of the project value by accelerated gas
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Soroush, Mohammad, Mahdi Mahmoudi, Morteza Roostaei, et al. "Challenges from Well Shut-in Amid the Oil Downturn: Long Term Impacts on Near Wellbore Skin Buildup and Sand Control." In SPE Thermal Integrity and Design Symposium. SPE, 2021. http://dx.doi.org/10.2118/203854-ms.

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Abstract In wake of the biggest oil crash in history triggered by the COVID-19 pandemic; Western Canada in- situ production is under tremendous price pressure. Therefore, the operators may consider shut in the wells. Current investigation offers an insight into the effect of near-wellbore skin buildup because of such shut-in. A series of simulation studies was performed to quantitatively address the impact of well shut-in on the long-term performance of well, in particular on key performance indicators of the well including cumulative steam to oil ratio and cumulative oil production. The long-
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