Xem 1-20 trên 42 kết quả Very low levels
  • High-density lipoprotein (HDL) cholesterol levels are a strong inverse predictor of cardiovascular events. However, it is not clear whether this association is maintained at very low levels of low-density lipoprotein (LDL) cholesterol. METHODS A post hoc analysis of the recently completed Treating to New Targets (TNT) study assessed the predictive value of HDL cholesterol levels in 9770 patients.

    pdf11p muakhuya 07-07-2012 34 2   Download

  • of English already, and how much basic language do they know? If your students are at a very low level, look out for the Extra support ideas in the Teachei s Book. If they are stronger, look out for the Extra challenge ideas.

    pdf10p kathy204 25-07-2010 156 92   Download

  • In order to meet the increasing demand for valve-regulated lead–acid ŽVRLA. batteries, a new soft lead has been produced by Pasminco Metals. In this material, bismuth is increased to a level that produces a significant improvement in battery cycle life. By contrast, other common impurities, such as arsenic, cobalt, chromium, nickel, antimony and tellurium, that are known to be harmful to VRLA batteries are controlled to very low levels. A bismuth ŽBi.-bearing oxide has been manufactured ŽBarton-pot method. ...

    pdf11p congdat261 19-11-2010 67 13   Download

  • Risk Assessment Vaccines are considered safe when the risk of use is judged to be acceptable in relation to the benefits. For vaccines given to healthy individuals for diseases that are no longer common, acceptable risks are set at very low levels—indeed, far lower than for most medical products. However, "safety" does not and cannot ever mean "zero risk." The determination of safety is thus based on a scientific assessment of the data and a considered judgment of all the issues involved, including benefits and risks.

    pdf9p thanhongan 07-12-2010 45 5   Download

  • More recently the results of the Prostate Cancer Prevention Trial (PCPT) (Thompson et al. 2003) demonstrated that there is no PSA threshold below which one can confidently exclude a diagnosis of prostate cancer. The PCPT trial protocol required “normal” men with very low levels of PSA to be biopsied at the end of the trial and it was observed that 39.2% of men with a PSA 2.1-3.0 ng/mL, 27.7% of men with a PSA 1.1-2.0 ng/mL, and 16.3% of men with a PSA

    pdf670p ti_du_hoang 10-08-2012 25 4   Download

  • There are other interesting parallels: In both countries, changes in investment ratios seem not to have been triggered by changes in household savings ratios, but have shown separate trends: In Germany, the investment-to-GDP ratio rose from 1951 to 1954 from 20 to 25 per cent, and hovered between 23 and 25 per cent until the late 1960s. The household savings rate, on the other hand, started from a very low level of just 4 per cent of disposable income in 1950 (which even translates into a lower share of GDP as disposable income is only a share of GDP) a...

    pdf86p enterroi 01-02-2013 15 4   Download

  • There is increasing evidence that health effects occur at very low levels of PM, and without an apparent threshold. This evidence arises from studies, initially in the US, but which have more recently been carried out in Europe and elsewhere with similar conclusions. These studies have, in general, used different measures of particles, but the majority have used PM10 and the Group felt that this was the most appropriate measure for a limit value for particles at the present time.

    pdf287p saimatkhauroi 01-02-2013 19 4   Download

  • Switch-level modeling is at a very low level of design abstraction. Designers use switch modeling in rare cases when they need to customize a leaf cell.

    pdf10p chabongthitga 19-09-2010 35 3   Download

  • Based on past WPI inflation data, we see that every time the real rate turned positive, the regulator reduced the SB rate 1 , never to take corrective action (in terms of increasing the SB rate) even on subsequent high negative real rates. Chart 1 provides this picture in very clear terms. From 2003 to 2009 the real rates on SB accounts remained at historically low levels and persisted there for six years. Barring the transitory reversal in end 2009, this high negative real rate continues to pinch the small savers till date. One can clearly see that at least during April...

    pdf9p machuavo 19-01-2013 16 3   Download

  • the end consumer as the most important element in the food chain, and to re- construct the single elements of the food production and distribution process from the consumers perspective – in other words to start a reversed food chain thinking. This approach makes it possible to come to a kind of hierarchical analysis of the research issues in three main categories1 : Consumer Science Consumer confidence in food safety has recently dropped to very low levels, as illustrated e.g.

    pdf0p conduongdinhmenh 07-05-2013 19 3   Download

  • Oracle has focused development around a single source code model since 1983. While each database implementation includes some operating system–specific source code at very low levels in order to better leverage specific platforms, the inter- faces that users, developers, and administrators deal with for each version are consis- tent.

    pdf48p nhacsihuytuan 13-04-2013 11 2   Download

  • A severe challenge to the idea that mitochondrial DNA mutations play a major role in the aging process in mammals is that clear loss-of-function mutations accumulate only to very low levels (under 1% of total) in almost any tissue, even by very old age. Their accumulation is punctate: some cells become nearly devoid of wild-type mitochondrial DNA and exhibit no activity for the partly mitochondrially encoded enzyme cytochrome c oxidase. Such cells accumulate in number with aging, suggesting that they survive indefinitely, which is itself paradoxical....

    pdf7p research12 01-06-2013 10 2   Download

  • It is accepted globally that a “leaner” yet ‘bigger’ dairy industry is much more productive than small farm holdings. Contrary to this belief we suggest mechanization is not an alternative but can be a complement to smallholding farms. Mechanization is understood as loss of jobs for farmers. This may be true for the crop sector; however, in dairy farming this is not always the case. Given Pakistan’s spread of smallholdings and very low level of existing mechanization; job losses are unlikely to happen.

    pdf57p conduongdinhmenh 07-05-2013 14 2   Download

  • One of the international challenges is to actually create an infrastructure in many countries that constructs schools and equips them with trained teachers so children can experience a basic education. The UN millennium development goals reflect this and great progress is being made on access to a universal basic education. However it is a modest goal that, for example, doesn’t necessarily apply to teenagers.

    pdf6p chiecxedien 03-01-2013 17 1   Download

  • Unlocking Forest Bonds was a workshop hosted by the WWF Forest & Climate Initiative, Global Canopy Programme (GCP) and Climate Bonds Initiative on 25 February 2011 in London. The hosts are very grateful to all those who attended for their participation and to the organisations that supported the

    pdf28p taisaocothedung 12-01-2013 22 1   Download

  • Tumor suppressor protein p53 plays a central role in maintaining genomic integrity [1–3]. In unstimulated cells p53 is maintained at very low levels but in response to DNA damage or other stress stimuli, such as hypoxia or activation of oncogenes, p53 becomes stabilized and accumulates in the cell [4, 5]. p53 can exert its tumor suppressor function in different ways (Fig. 1.1).

    pdf81p xunu1311 02-11-2012 19 0   Download

  • The annual summer warming of the Arctic in 2008 was watched closely by an army of expert observers and other interested parties around the world. Organisations such as the US National Oceanic and Atmospheric Administration (NOAA)3 published neardaily updates on the state of the Arctic sea ice, which every year recedes from its winter maximum as the summer comes to the far north. The reason for this scrutiny was the record low level of Arctic sea ice extent observed in summer 2007, when an area of ice nearly the size of Alaska melted.

    pdf52p vantrungtran 01-02-2010 73 13   Download

  • Thorough evaluation of the infertile couple before in vitro fertilization (IVF) is critical in achieving the best outcomes and avoiding complications. Most IVF centers organize the evaluation by using a checklist that the nurse coordinator and physician assure is complete before proceeding with the cycle. DAY 3 FOLLICLE-STIMULATING HORMONE A level exceeding 25 mIU/ml (about 12 mIU/ml using current assays) has been correlated with a very low chance of pregnancy (1).

    pdf12p lananhanh123 27-08-2011 38 5   Download

  • In their classic account, Tim Dyson and Mick Moore linked women's autonomy to demographic regimes in south Asia. As they describe the north Indian demographic regime, it involves relatively high levels of fertility and infant mortality, relatively early age at marriage (which is almost universal in north India), and relatively large gender gaps in health indicators.

    pdf24p ut_hai_can 25-12-2012 14 4   Download

  • Organic farming is a growing sector in Thailand, which is encouraged by the government and many private initiatives. Therefore, production is expected to rise to meet the growing demand in the domestic market for organic foods. The increased range of healthy foods and the establish- ment of certificates for pesticide controlled vegetables indicate that there is a potential market. Consumers everywhere know very little about the production process, as there is no identifica- tion with the product and its producer.

    pdf5p cao_can 02-01-2013 32 4   Download

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