Underpinning tolerances

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  • Chemical oxidation technologies are predominantly used to address contaminants in the source area saturated zone and capillary fringe. Cost concerns can preclude the use of chemical oxidation technologies to address large and dilute petroleum contaminant plumes. More frequently, chemical oxidation technologies are employed to treat smaller source areas where the petroleum mass is more concentrated.

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  • Tham khảo sách 'an event service to support grid computational environments', kinh doanh - tiếp thị, tổ chức sự kiện phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The Central Bank today publishes statistics for Q3 2012 on investment funds (IFs) resident in Ireland. IFs, measured by total shares/units in issue, increased by 4.4 per cent to €892 billion by end-Q3 2012, driven by revaluations of €24.3 billion and net new subscriptions of €13.5 billion. Growth was concentrated in equity and bond funds, at 5.3 and 4.5 per cent respectively, though was also evident in all fund types. During the same period, European units/shares in issue...

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  • All estimates in this report are based on samples of 100 cases or more. Estimates are not shown for certain race groups, nor for children living with no employed adults, because these samples were too small. The tables in this report show estimated percentages of Wisconsin residents based on survey responses. These estimates should not be treated as precise results because they are derived from a sample. A 95 percent confidence interval (+) is printed in a column next to each percentage estimate; this means that 95 percent of similar surveys would obtain an estimate within...

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  • While it has been demonstrated that these materials have good sensitivity to polar VOCs, such as alcohols and acetone, 11,12 their rather poor response to nonpolar analytes has been viewed as a major drawback. In this report, we explored two ways to improve the sensor performance of regioregular polythiophene. The first approach is to add a second polymer at the end of the polythiophene chain to form a block copolymer. This second polymer interacts with the analytes in different ways, thus adding another dimensionality to the sensing response of the material.

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  • Financial sector reforms and the adoption of a more predictable currency system spurred a recovery of the financial sector in 2009. Total deposits in the banking system rose from US$500 million in 2009 to some US$2.5 billion by December 2010. Important vulnerabilities remain6. The Banking sector is highly illiquid, with the bulk of bank lending being short term (90 days or less) with longer-term loans virtually nonexistent. Moreover, the intermediation spread is extremely high with prohibitive lending rates of as high as 30 percent and deposit rates of as low as 2 percent....

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  • Where the two terms differ is in the imposition by organisations of courteous or forced ritual behaviour on employees – a modern phenomenon. Insincerity is concealed, leading to the whimsical even offensive notion that we are all air hostesses now. There are moral implications here too. Sprezzatura could be aligned to the moral theories of hedonism and egoism – where the focus is on the individual who decides to pursue a working life of fulfilment based on self interest, by the appearance of relaxed competence that may or may not be borne out by actual effectiveness at work....

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  • The projected CO2 concentration may reach 850 ppm by the end of the 21st century (Nakicenovic & Swart, 2000), which is about triple of the pre-industrial concentration level (280 ppm). The global emission scenario B2 describes a world with intermediate population and economic growth, emphasizing local solutions to economic, social, and environmental sustainability.

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  • This interest rate configuration also has implications for households deciding on the maturity of their mortgage financing. When short-term rates are low and deemed unlikely to rise, households shorten the maturity of their borrowing, often counting on being able to switch to long-term mortgages when they feel interest rates may rise. As households switch, banks dependent on short-term funding have to hedge their new interest rate exposures.

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  • The realisation of such a marketing strategy requires not only the existence of a he t- erogeneous consumer goods market, but also the possibility to identify market seg- ments which are internally homogeneous and externally heterogeneous with regard to the product related needs and wants of their members.

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  • Gabo, however, used a new system in which he employed a ‘stereometric cube.” This schematic design involved removal of four of the six sides of the cube, while retaining the top and the bottom, and replacing the rejected planes with two internal, interlocking diagonals. Thus the illusion of solid mass within the cube could be destroyed, allowing the interior space to appear open and free. After leaving Russia (about 1915), Gabo joined his brother and fellow sculptor Antoine Pevsner in Norway.

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  • The spirit of the DIT community of academic and non-academic members of staff is something which defines the Institute and has been key to its successful development throughout its history. Circa 2,500 people are employed in DIT in many different roles. Although currently dispersed across so many locations around the city, there has been a concerted effort to develop a ‘One DIT’ approach to delivery of teaching and support to students.

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  • These are not issues which can be lightly dismissed; however, it is clear that any debate on human dignity needs to separate the various elements of the debate in order to consider whether opposition to cloning stems from concern for human dignity or respect for divine dignity. As well as to determine whether it is designed to protect the individual that may be cloned or the society whose sense of personal and collective identity might be challenged by the concept of sharing the world with cloned individuals.

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  • Premium Deficiency Reserve As mentioned earlier, one view of the unearned premium reserve is that of deferred revenue. But what if it is determined that the deferred revenue will not be sufficient to cover the corresponding losses and expenses? Most accounting systems require the booking of an additional liability (sometimes called a “premium deficiency reserve”) in such a situation.

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  • Previous World’s Worst Pollution reports have ranked pollution sources by the potential number of people at risk (2010) and created disease burden estimates for location-specific case studies (2011). This year’s report is the first attempt at creating a widespread estimate of disease burden attributable to toxic pollution from industrial sources. Previous estimates from these reports indicated that the at-risk population was in the range of 100 million people.

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  • Trees absorb pollutants through the same process they take up nutrients, i.e. stomata (pores on the surface of the leaf), roots and root hairs. Additional pollution is removed by capture on their leaf/needle and bark surfaces. Taylor and Constable (1994) estimated for SO2 and O3 that 70% and 80% of the pollution absorbed is internal to the leaf. For particulates, the main wet absorption route is through tree roots (Broadmeadow and Freer-Smith, 1996), whereas the main dry absorption route is through deposition on leaf and bark surfaces.

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  • This document should be of interest to a broad audience interested in reducing greenhouse gas (GHG) emissions to the atmosphere. It was developed for regulatory organizations, project developers, and national and state policymakers to increase awareness of existing and developing monitoring, verification, and accounting (MVA) techniques. Carbon dioxide (CO2) sinks are a natural part of the carbon cycle; however, natural terrestrial sinks are not sufficient to absorb all the CO2 emitted to the atmosphere each year.

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  • Proper methods should be adopted for management of solid waste disposal. Industrial wastes can be treated physically, chemically and biologically until they are less hazardous. Acidic and alkaline wastes should be first neutralized; the insoluble material if biodegradable should be allowed to degrade under controlled conditions before being disposed. As a last resort, new areas for storage of hazardous waste should be investigated such as deep well injection and more secure landfills.

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  • The two principal official firm size employment creation/destruction data sources differ somewhat, and as with many economic figures, they vary from year to year. BED figures show that a net 1.5 million jobs were lost in 2008, 64 percent of which were from small firms. Over the past 15 years, small businesses have accounted for about 65 percent of the private-sector net job creation according to BED figures. (SUSB figures show small businesses accounting for about 90 percent of net new jobs through 2006.) The figures from both data sources are depicted in Figure 4.

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  • Freshness and update consistency: There are many possible ways of propagating updates from the data origins to intermediate nodes that have materialized views of this data. Some possible solutions would be invalidation messages pushed by the server or client-initiated validation messages; however, both of these incur overhead that limits scala- bility. Another approach is a timeout/expiration-based protocol, as employed by DNS and web caches. This approach has lower overhead, at the cost of providing much looser guarantees about freshness and consistency.

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