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prediction of soil salinity risk by digital terrain modeling in the canadian prairies

Managing for Healthy Ecosystems doc

Managing for Healthy Ecosystems doc

Điện - Điện tử

... .1209 Ken W Belcher and M Boehm Chapter 119 Prediction of Soil Salinity Risk by Digital Terrain Modeling in the Canadian Prairies .1227 Igor V Florinsky, Robert G Eilers, and Glenn W Lelyk ... undermining the economy or the social/cultural values of the area? In a more theoretical vein, the issues of ecosystem health, quality of life, and ecological integrity are the topics of Section ... inevitably the cultures are destroyed as well Clarification of the concept and the role of culture in defining the meaning of healthy ecosystems are central to a number of the themes within this volume...
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The Importance of Water and Water Quality in Brewing pptx

The Importance of Water and Water Quality in Brewing pptx

Cao đẳng - Đại học

... by far the most influential mineral in the brewing process Calcium reacts with phosphates, forming precipitates that involve the release of hydrogen ions and in turn lowering the pH of the mash ... and magnesium salts of sulfates and chlorides remaining in the water Brewhouse Chemistry Alkalinity in the Brewhouse: Alkalinity is a measure of the buffering capacity of the bicarbonate ions ... determinant for where breweries have been located The notion of best ales in the Empire from Burton on Trent, and the clearest pale lagers from Pilsen is inextricably linked to the chemistry of the...
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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

Sinh học

... processes occurring within the fuel cell [8, 9] In a real PEM fuel cell geometry, the gas diffusion layers are used to enhance the reaction area accessible by the reactants The effect of using these diffusion ... performance If the number of steps approaches infinity, the stepped flow field extends to a tapered field that has the lowest cell performance The lower the number of steps and the height of the outlet ... present to the amount of water undergoing phase change In the present work, the procedure of Berning and Djilali [10] was used to account for the magnitude of phase change inside the GDL 2.2.3...
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Báo cáo

Báo cáo " Impacts of climate change on water resources in the Huong River basin and adaptation measures " pptx

Báo cáo khoa học

... reference baseline because of the availability of measured salinity data Results of salinity intrusion computation for A1FI scenario for some cross-sections in the mainstream are Table Salinity concentration ... serious in the future Salinity profile was simulated by the couple of HD and AD modules of MIKE 11 model taking into consideration of climate change and sea level rise The year 2002 is selected as the ... agriculture Most of the current rice paddies would have a high risk of flooding during wet season Additionally, salinity intrusion is another threat during the dry season, especially in low-lying areas...
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báo cáo hóa học:

báo cáo hóa học:" The influence of the level of physical activity and human development in the quality of life in survivors of stroke" potx

Hóa học - Dầu khí

... maximum and minimum values are defined through the observation of the world tendencies in terms of indicators for the long term, allowing periodic comparisons of the indexes obtained It is noteworthy ... smaller is the numerator and therefore the worse the situation of development Conversely, the closer the observed value is to the maximum value, the better the situation in terms of development The ... quality of life of stroke survivors in two cities differing in human development index ranking in Brazil Methods Sample The study included, initially, 77 people: 48 from the Metropolitan Region of...
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An assessment of water quality in the Lower Mekong Basin pptx

An assessment of water quality in the Lower Mekong Basin pptx

Điện - Điện tử

... early in the dendrogram The degree of similarity is illustrated by the length of the horizontal line that joins the pair After joining, the mean value for the pair is again compared with the other ... the entire lake During the dry season, water drains out of the Great Lake back into the Mekong system and then into the Delta, thereby adding to low flow discharges in the region downstream of ... have inspected 1042 industrial enterprises in the basin in 2000, and shut down four of these (CIIS, 2002) Since 1986, the Simao Paper Plant and the Lanping Lead-Zinc Mine have been built on the...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx

Báo cáo khoa học

... freezing of the soil is quite exceptional because of the occurrence of early and continuous snow cover and practically not affecting soil retention (Schwarz 1984) Even in Finland, freezing of the ... within the research into water regime of regeneration cuts In the course of snowfall in spruce stands, the interception of solid precipitation occurred in crowns of trees representing up to 40% of ... that they participated effectively in the prolongation of the period of spring runoff In the Orlické hory Mts at the Deštné field research station, the accumulation and intensity of snow melting...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp:"Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction" pptx

Báo cáo khoa học

... position in the log, in the tree and the North and South sawing surfaces The flitches were scanned in VTT using the WoodCimđ inspector scanning system providing RGB (colour component) information ... software for the mathematical reconstruction of a log in a 3D system The North-South line drawn on the top of logs before sawing was used as a reference line to join the flitches in their correct ... line points and the outline points of flitches and slabs The saw kerf thickness used in the sawing of the logs was introduced between each two flitches [24] Log taper was calculated using the geometric...
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Báo cáo khao học:

Báo cáo khao học: "High-resolution analysis of radial growth and wood density in Eucalyptus nitens, grown under different irrigation regimes" potx

Cao đẳng - Đại học

... reached the position observed previously Finally, the “increment” phase was defined as the period during which the stem radius continued to increase until the shrinkage phase commenced in the next ... Under these conditions, the size of the meristematic cells and the duration of the cell division cycle in these cells determine the rate of cell production Cambial derivatives differentiating into ... years of observation Treatment C was droughted in a way that a complete drying of the soil profile was allowed The drought stress has been interrupted only by rainfall or by small application of...
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Analysis of passive cooling and heating potential in Vietnam

Analysis of passive cooling and heating potential in Vietnam

Kiến trúc - Xây dựng

... enlargement neglects the effect of humidity on cooling potential of air movement since this effect is rather minor 3.2 Passive cooling by Direct evaporative cooling In direct evaporative cooling, water ... 70% [6] These lines nearly coincide with the lines of constant ET* The lower humidity lever of the comfort zone was fixed at 30% relative humidity since it hardly falls below this value in humid ... 95% under effect of a wind speed of 0.8 – 1m/s due to the effect of air change COMFORT CONTROL POTENTIAL ZONE BY USING PASSIVE COOLING AND HEATING STRATEGIES 3.1 Passive cooling by natural ventilation...
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ANALYSIS OF PASSIVE COOLING AND HEATING POTENTIAL IN VIETNAM USING GRAPHICAL METHOD AND TYPICAL METEOROLOGICAL YEAR WEATHER FILE

ANALYSIS OF PASSIVE COOLING AND HEATING POTENTIAL IN VIETNAM USING GRAPHICAL METHOD AND TYPICAL METEOROLOGICAL YEAR WEATHER FILE

Kiến trúc - Xây dựng

... enlargement neglects the effect of humidity on cooling potential of air movement since this effect is rather minor 3.2 Passive cooling by Direct evaporative cooling In direct evaporative cooling, water ... 70% [6] These lines nearly coincide with the lines of constant ET* The lower humidity lever of the comfort zone was fixed at 30% relative humidity since it hardly falls below this value in humid ... 95% under effect of a wind speed of 0.8 – 1m/s due to the effect of air change COMFORT CONTROL POTENTIAL ZONE BY USING PASSIVE COOLING AND HEATING STRATEGIES 3.1 Passive cooling by natural ventilation...
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Analysis of transport phenomena and electrochemical reactions in a micro PEM fuel cell with nature inspired flow field design

Analysis of transport phenomena and electrochemical reactions in a micro PEM fuel cell with nature inspired flow field design

Môi trường

... laminar fully developed profile where the highest velocity is located at the centre of the channels and this profile is maintained until the end of the channels However, the velocity scale in the ... orders of magnitude smaller than that in the cathode gas flow channel This is because the molar fraction of the hydrogen of the incoming humid gas is greater than that of oxygen, and hence, the inlet ... act ) arises from the kinetics of charge transfer reaction across the electrodeelectrolyte interface In other words, a portion of the electrode potential is lost in driving the electron transfer...
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Design and analysis of object allocation and replication algorithms in distributed databases for stationary and mobile computing systems

Design and analysis of object allocation and replication algorithms in distributed databases for stationary and mobile computing systems

Cao đẳng - Đại học

... allocation schemes of objects so as to minimize the total servicing cost of the arriving requests The contributions of this thesis are mainly from theoretical standpoint in terms of competitive analysis ... study in this thesis The concept of competitive analysis was first introduced by Sleator and Tarjan [61] to study the performance of on-line algorithms in the context of searching a linked list of ... is in designing efficient policies to handle on-line requests arriving at the system with a minimum cost and maintain the consistency of multiple replicas of objects in various locations in the...
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Relevance of mineral nutrition and light quality for the accumulation of secondary metabolites in centella asiatica and hydrocotyle leucocephala

Relevance of mineral nutrition and light quality for the accumulation of secondary metabolites in centella asiatica and hydrocotyle leucocephala

Tổng hợp

... structure of ()-hinokinin Biosynthesis of the active constituents 4.1 Saponins Pentacyclic triterpene saponins, including the centellosides, are synthesized via the isoprenoid pathway starting with ... respectively In the N and P experiments, adjustments were made by changing the amounts of the above-specified compounds In the K experiment, the lack of P in the nutrient solutions of the treatments ... ()-matairesinol, and finally ()-hinokinin originates from the generation of two methylenedioxy bridges, either via ()-pluviatolide or via ()-haplomyrfolin, depending on the benzene ring on which the...
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Improvement of nutrient removal and phosphorus recovery in the anaerobic/oxic/anoxic process combined with sludge ozonation and phosphorus adsorption

Improvement of nutrient removal and phosphorus recovery in the anaerobic/oxic/anoxic process combined with sludge ozonation and phosphorus adsorption

Môi trường

... from PAOs Part of the released phosphorus was then accumulated in the sludge in the subsequent oxic tank by normal oxygen-utilizing PAOs The residual phosphorus was removed in the final anoxic tank ... and effluent of the phosphorus adsorption column are shown in Fig During the operation, about 70% of the phosphorus in the sludge was solubilized by ozonation, and a large part of the solubilized ... denitrification (3) Most of the phosphorus in the sludge was solubilized by ozonation, and a large part of the solubilized phosphorus consisted of PO4-P Over 90% of the PO4-P was absorbed in the phosphorus...
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Tài liệu Báo cáo khoa học: Altered expression of CD1d molecules and lipid accumulation in the human hepatoma cell line HepG2 after iron loading pptx

Tài liệu Báo cáo khoa học: Altered expression of CD1d molecules and lipid accumulation in the human hepatoma cell line HepG2 after iron loading pptx

Báo cáo khoa học

... in iron-rich media We have also shown that the increase in the prooxidant state caused by iron loading has an impact in protein integrity, as indicated by an increase in protein-bound acrolein ... intracellular ferritin, with some ferritin being expressed at the cell surface and culture in iron-rich media increased by two- to threefold the ferritin content as determined by the increase in mean fluorescence ... ferritin expression in nonpermeabilized (thin lines, – saponin) and permeabilized cells (thick lines, + saponin) cells cultured without and with iron as indicated (D) Perls’ staining of cytospins of...
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PROSTHETIC REHABILITATION OF MISSING TEETH AND ORAL HEALTH IN THE ELDERLY pptx

PROSTHETIC REHABILITATION OF MISSING TEETH AND ORAL HEALTH IN THE ELDERLY pptx

Sức khỏe người cao tuổi

... that storing the disks in open air caused a loss of viability and death of Candida albicans Rinsing the dentures in the evening and keeping them overnight in the open air can indeed be the easiest ... been the most fundamental etiological factor for the dramatic increase in caries among the Finnish children in the beginning of the 1950's (Rytömaa et al., 1980) Not surprisingly, increase in the ... ranged from 58% of the newest denture group to 21% in the oldest dentures The worsening of the stability with the increasing age of the denture was statistically highly significant in the maxilla...
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Báo cáo khoa học: Evolutionary origin and divergence of PQRFamide peptides and LPXRFamide peptides in the RFamide peptide family pdf

Báo cáo khoa học: Evolutionary origin and divergence of PQRFamide peptides and LPXRFamide peptides in the RFamide peptide family pdf

Báo cáo khoa học

... peptides from the brain of the sea lamprey This is the first demonstration of the presence of RFamide peptides in the brain of any species of agnathans On the basis of the results of phylogenetic ... Identification of cells expressing lamprey PQRFamide peptide mRNA in the brain must be taken into account when studying the neuropeptide action We therefore characterized the regions in the brain showing the ... from the brains of sea lamprey Petromyzon marinus Lampreys are one of the only two extant representative species of the oldest lineage of vertebrates, the Agnatha, which diverged from the main line...
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Surfing the waves of globalization - Asia and financial lobalization in the context of the trilemma

Surfing the waves of globalization - Asia and financial lobalization in the context of the trilemma

Tài chính - Ngân hàng

... kinh tế mức độ lạm phát trung hạn câu hỏi cho nhà phân tích kinh tế vĩ mô chuyên gia tài Bài nghiên cứu ‘’Surfing the Waves of Globalization: Asia and Financial Globalization in the Context of ... kinh tế tư nhân ( B ) kinh tế châu ( C) nến kinh tá châu mỹ la tinh ( d) khác Mặc dầu dự án tóm tắt bảng không khớp với thực tế cảu kinh tế tư nhân, tìm vài trường hợp khớp với lập bên Braxin ... hội nhập tài tiền tệ độc lập xu hướng đặc sắc minh chứng kinh nghiệm kinh tế euro Mặt khác, kinh tế thị trường xuất hội tụ theo hướng áp dụng với linh hoạt quản lý tỷ giá hối đoái, trì mức độ trung...
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