... is the principle of encapsulation, or data hiding—the individual data members contained within an object of data using the geometry or geography datatype are kept hidden from the rest of the ... However, you can create instances of the LineString and Polygon types that are derived from these types, and therefore inherit their properties For instance, the Curve is the generic one- dimensional ... created from a sequence of points The LineString object inherits the generic properties of the Curve, but specifies the additional property that a LineString must be composed of straight-line segments
Ngày tải lên: 08/10/2013, 21:20
... groundwater contamination Trang 34Practices for Minimizing WaterloggingMuch of the waterlogging in India has occurred due to canal irrigation In addition, waterlogging has occurred in India and ... variation in the rainfall, thereby exacerbating the adverse impacts on agricultural production The rivers in peninsular India are largely rain-fed and dry up during the Trang 10summer Most parts of the ... Loss of Soil Fertility Salinization Degradation of Water Resources Rise in the Water Table (Waterlogging and Salinity) Fall in the Water Table (Water Quality and Seawater Intrusion)Nitrate and Pesticide
Ngày tải lên: 11/08/2014, 10:22
Food Security and Environmental Quality in the Developing World - Part 3 ppsx
... The major insect pests of grain are beetles and caterpillars (Metcalf and Metcalf, 1993) These pests infest the grain usually from other infested grain stored in the same building or nearby In ... aflatoxins, the high temperatures will not rid the grain of the toxin If the grain has a high level of the toxin, the only option is tempera-to destroy the grain Insect-infested grain can be fumigated ... nearby In India, the insect species of most importance damaging the food grains including the pulses (legume grains) belong to the order Coleoptera and Lepidoptera Trained inspectors, with the help
Ngày tải lên: 11/08/2014, 10:22
Food Security and Environmental Quality in the Developing World - Part 4 pps
... grain production increased from 50 million tons in 1947, at the time of independence, to 200 million tons in 1998–99 Agricultural production in the decade ending in 1991 increased by 125% and India’s ... worthwhile to invest labor in raising its productivity.Research in Indonesia by Hart (1978) showed that, other things being equal, including controlling for level of education and thus for the inferred ... and authority based on merit, the offspring of the families in the upper quintile, biologically speaking, have some greater chance of being in that quintile in the next generation simply based
Ngày tải lên: 11/08/2014, 10:22
Food Security and Environmental Quality in the Developing World - Part 5 pps
... using data from the 1990s The numbers presented in Table 28.2 are long-run elasticities, showing the impact of a 1% increase in per capita income (from the specified income level shown at the ... underinvest in agricultural technology, in the education of the rural population and in the physical infrastructure in rural areas Each of these failures in policy weakens the performance of the ... fill the gap The foreign exchange earnings from the years of large production can be held in reserve to acquire the imports in the years they are needed The foreign exchange can be invested in
Ngày tải lên: 11/08/2014, 10:22
Báo cáo y học: " Work disability remains a major problem in rheumatoid arthritis in the 2000s: data from 32 countries in the QUEST-RA Study" doc
... per clinic in different countries, including countries out-side Western Europe and North America In June 2009, the QUEST-RA database included 8,039 patients from 86 clinics in 32 countries The ... AccessWork disability remains a major problem in rheumatoid arthritis in the 2000s: data from 32 countries in the QUEST-RA Study Tuulikki Sokka1,2*, Hannu Kautiainen2, Theodore Pincus3, Suzanne MM Verstappen4, ... compliance with the Declaration of Helsinki Ethics committees or internal review boards of participating institutes approved the study, and written informed consent was obtained from the patients.
Ngày tải lên: 12/08/2014, 12:20
Báo cáo khoa học: "Antimicrobial Susceptibility of Udder Pathogens Isolated from Dairy Herds in the West Littoral Region of Urugua" ppsx
... agents (penicillin, ampicillin, cephalotin, gentamicin, ery-thromycin and tetracycline), and enterococci against penicillin, ampicillin, gentamicin, ery-thromycin and tetracycline The medium used ... in the studied strain The staphylococci to be tested were streaked in a line from the edge of the plate towards the centre of the peni-cillin disk When the investigated strain was positive ß-lactamase ... 522 strains including streptococci, enterococci and staphylococci were used in the study The strains were isolated from sub-clini-cal and clinisub-clini-cal cases of bovine mastitis from a survey
Ngày tải lên: 12/08/2014, 15:20
Báo cáo sinh học: " Local sequence alignments statistics: deviations from Gumbel statistics in the rare-event tail" pps
... sampling of a mix-ture of chains based on the Metropolis-Hastings algo-rithm Before describing the coupling of multiple chains, we introduce the general idea of importance sampling first: The ... Once the equilibration period is estimated one may check the convergence of the remaining parts of the chains to the equilibrium distributions This was done by computing the Gelman and Rubin shrink ... according to the null model and then compute the expectation values of the family of indicator functions h s: → ⺢ with h s (X) = 1, if S (X) = s and h s (X) = 0 otherwise, in other words Since the
Ngày tải lên: 12/08/2014, 17:20
nhân học sinh thái Environmental Anthropology in the Kalahari: Development, Resettlement, and Ecological Change Among the San of Southern Africa
... on the San themselves Table 1 Numbers of San in Southern Africa Note: Data obtained from James Suzman (2001a:4), the Working Group of Indigenous Minorities in Southern Africa (WIMSA), and from ... settlements (see Table 6) They, like their kin right across the border in Namibia, were making their living using a mix of activities, including food and cash distributions from the Botswana government’s ... levels, from the government, to demands by other ethnic groups wanting the use of their land, to main-taining cohesion among themselves One of the most serious challenges to San land rights came from
Ngày tải lên: 23/08/2016, 10:55
DSpace at VNU: Socioeconomic Conditions and Perceptions of Environmental Risks in the Mekong Delta, Vietnam
... who live in the other regions The groups designated as saline-affected are households located in the coastal provinces where the effect of saline intrusion isdominant The distribution of the three ... knowledge of the authors regardingcurrent living standards in the Mekong Delta region In addition to income levels, respond-ents also differed in income sources The majority of income sources included ... people in the Mekong Delta Livestockraising (mostly aquaculture), more developed in the coastal provinces compared to otherparts of the delta (GSOV2013), is the livelihood in most of the saline-affected
Ngày tải lên: 16/12/2017, 15:23
DSpace at VNU: Diatom Responses to Holocene Environmental Changes in the Tiền Delta - Mekong River System
... environment 1 Introduction * The Mekong River is one of the largest rivers in Southeast Asia It flows from the Tibetan Plateau southward through the Indochina Peninsula towards the East Sea, ... was formed in estuarine environment 4.2 The paleoenvironmental development The paleoenvironmental development of the southern part of the Tiền delta (in Mekong delta) can be described in three ... where it forms one of the largest deltas in Southeast Asia as well as in the Vietnam [1] The coastal system of the Mekong River evolved from an estuarine system, formed from 13 to 8-9 ka Bp while
Ngày tải lên: 16/12/2017, 18:20
Restructuring in banking sector, theory and lessons from different countries in the world
... research institutions and downloads from relevantwebsites in the internet 4 Scope of the study The thesis focuses on banking restructure realities in some emerging countries in the world, including ... target wasset for the year 2000 Instead, tax incentives were introduced on the condition thatnet interest income from loans and business income derived from Islamic financingactivities in excess of ... Vietnam.2 Objectives of the study Based on making a complete understanding about problem of restructuring inbanking system both in theory and in practice, by presenting theory about bankrestructuring,
Ngày tải lên: 07/11/2018, 20:45
Water tech a guide to investment, innovation and business opportunities in the water sector
... address water scarcity and access to cleanwater and sanitation? Investors increasingly care, as reflected in the increase in the number of reports from financial institutions and investor groups onwater ... Rights.12The covenant includes anobligation to prevent corporate third parties from infringing on the right to water by “polluting and inequitably extracting from water resources.” The CEO Water ... issues on thepath to commercialization A roadmap of the opportunities in the water sector ispresented based on interviews with leading authorities in the water field, includ-ing innovators, investors,
Ngày tải lên: 03/01/2020, 09:50
Summary of chemistry doctoral thesis: Study on synthesis, characteristics, and adsorption properties of toxic organic substances in the water environment of mesoporous carbon materials
... are synthesized by hard-templating method only reach the maximum of ~ 5.5 nm The increasing in pore size is not feasible because it is limited by the size of the templates, resulting in framework ... in water environment 3 Scientific and practical significance of the thesis The thesis has found a new method to increase the pore size of mesoporous carbon by filling the liquid glass into the ... pore size 2 Retaining a silicon part in synthesiszed material to increase the stability of the mesoporous carbon material 3 Using atom-planting method to put iron into framework of the mesoporous
Ngày tải lên: 09/01/2020, 15:17
Identification and antimicrobial activity of actinomycetes strains isolated from marine samples in the coastal area of Thanh Hoa – Quang Binh – Quang Tri
... effective The enhanced cytotoxicity of the combined treatment may result from augmentation of DOX-induced apoptosis by Micromonospora aurantiaca extract [30] Diazepinomicin was isolated from the marine ... 2.4 Identification of actinomycetes The actinomycete strains were incubated for 14 days at 30 ºC on starch casein agar (SCA) and its morphology was examined using scanning electron microscopy ... reference strains From the results of screening, five strains of actinomycetes exhibited the highest biological activity were chosen (Code: G212, G222, G233, G227 and G241) In particular, strains G222,
Ngày tải lên: 14/01/2020, 03:35
The Water Framework Directive Ecological and Chemical Status Monitoring ppt
... and trained in the sampling procedures and in the risks and consequences of taking inappropriate samples This includes knowledge of the objectives of the monitoring programme, the further treatment ... groundwater issues, and the Directive introduces a framework for water management based on river basin districts The overriding objective of the policy is the achievement of good status in all waters ... the choices that the Commission made In addition, the WFD requires Member States to identify specic pollutants in their river basins, and to include them in the monitoring programmes Monitoring...
Ngày tải lên: 23/03/2014, 01:20
Water is for life:How the Water Framework Directive helps safeguard Europe’s resources doc
... Article of the Water Framework Directive 30° E (4) Coastal waters are defined in the Water Framework Directive as extending nautical mile from the coastline However, some Member States have included ... water- urbanwaste/index_en.html Bathing Water Directive: http://ec.europa.eu/environment /water/ water-bathing/ index_en.html Drinking Water Directive: http://ec.europa.eu/environment /water/ water-drink/ index_en.html ... temporary exemptions 2010 is the deadline for water pricing policies to be introduced Water pricing has to contribute to the environmental objective of the WFD, providing incentives for sustainable water...
Ngày tải lên: 28/06/2014, 19:20
Báo cáo khoa học nông nghiệp " Irrigating rice crops with waste water to reduce environmental pollution from catfish production in the Mekong Delta " doc
... CLRRI in the dry season 2009 and at Phong Dieng in the dry season 2009 At the latter site, the wastewater was sourced from a Clarias fish pond, while for the remaining sites the water was from ... contributing to the spread of diseases of catfish since downstream operators are pumping the infected water from canals into their ponds (Phan et al 2009) Levels of fish-disease organisms in the river ... wastewater During the wet season, there needs to be a means of treating wastewater other than irrigating rice fields because water levels in the fields will already be high due to heavy rainfall...
Ngày tải lên: 21/06/2014, 04:20
Global Environmental Health in the 21st Century: From Governmental Regulation to Corporate Social Responsibility ppt
... Engineering in providing services to the government, the public, and the scientific and engineering communities The Council is administered jointly by both Academies and the Institute of Medicine ... corporation’s intent is the pursuit of private interests and profits for owners of the company, they increasingly are bearing the marks of an undertaking and, to an increasing degree, have been serving the ... to bring their expertise to the table In this workshop, the Institute of Medicine’s Roundtable on Environmental Health Sciences, Research, and Medicine discussed the role of industry in environmental...
Ngày tải lên: 14/03/2014, 23:20
Báo cáo khoa học nông nghiệp " Treating and recycling waste and soils from fish ponds in the Mekong Delta to improve livelihood and reduce water pollution" pdf
... diversified income for farmers in the Mekong delta by treating the waste water and solids from fish ponds, whilst at the same time protecting the environment and householder users from water pollution The ... water in canals, which could be complex and require extensive sampling points, repeated often over time, but rather the levels in drains discharging into the main canals Field experiment on the ... determined by water sampling at control sites beyond the influence of fishponds The location of the control sites will vary from site to site Low tide sampling- During low tide water drains out...
Ngày tải lên: 21/06/2014, 04:20