a checklist for environmental scanning

... not static attributes of a database but can vary dramatically depending on the questions asked and analyses performed Quality checks are particularly important with administrative databases from ... database studies is incorrectly attributing an effect to a treatment that is actually due, at least partly, to some other variable Failure to account for the effects of all variables that have ... two-part models) For studies that combine data from several databases, the authors should describe what analyses have been performed to account for hierarchical or clustered data For example,...

Ngày tải lên: 30/03/2014, 13:20

... Yamashita, M Harada, J Misaka, M Takeuchi, K Ikeue, M Anpo, Journal of Photochemistry and Photobiology A 148 (2002) 257–261 [140] H Yamashita, M Harada, J Misaka, M Takeuchi, B Neppolian, M Anpo, ... Environmental 61 (2005) 140–149 [133] D Dvoranova, V Brezova, M Mazur, M .A Malati, Applied Catalysis B: Environmental 37 (2002) 91–105 [134] A Fuerte, M.D Hernandez-Alonso, A. J Maira, A Martinez-Arias, ... of great interest for the degradation of organic pollutants using solar radiation Blocking trap states by coating the particles with thin layers of a wide band gap material can lead to a drastic...

Ngày tải lên: 17/03/2014, 19:20

... heritages? What is a characteristic aspect of a landscape in an international context? Finally, under Article 2, paragraph 7, damage means: « a) Loss of life or personal injury; b) c) loss or damage ... International Law No 39 (1996), and Draft Articles on the Law Applicable to Contractual and non-Contractual Obligations (2), Japanese Annual of International Law No 40 (1997) The draft includes a ... for strict liability for damage caused by EC-regulated dangerous activities; this regime would cover both traditional damage (harm to health and property) and environmental damage (site contamination...

Ngày tải lên: 23/03/2014, 00:20

... Affairs, VA Pacific Islands Health Care System, Spark M Matsunaga Medical Center Support was also provided by a National Alliance for Research on Schizophrenia and Depression (NARSAD) Independent ... http://www.general-hospital-psychiatry.com/content/3/1/8 Table 3: Factor loadings and final communality estimates for each item Latent Variable Acute Autonomic Activation Indicators PTSD Criterion A Indicators STRS Item Factor trembling, shaking, ... potential biomarkers of repeated extreme autonomic activation Participants were paid $100 for their time and travel expenses Data collection For each participant, all stressor-history data were...

Ngày tải lên: 08/08/2014, 20:23

... covariance models are available, but usually involve more parameters A common model, available in standard statistical analyses packages, is the so-called “ante-dependence” model [15] A more parsimonious ... (a) A3 r1 A3 r1 A3 r1 A3 r1 A3 r2 A3 r2 A3 r2 A3 r2 A3 r2 A4 r1 A4 r1 A4 r1 A4 r2 A4 r2 A4 r2 A4 r2 A4 r2 A4 r3 A4 r3 Model (c) Table III continued Parametric correlation structure 579 580 K Meyer Figure Estimates ... correlation parameter for SAD (corresponding value calculated from θ for EXP and DEX), θ: exponential parameter for EXP and DEX (corresponding value calculated from ρ for SAD), and κ: scaling parameter...

Ngày tải lên: 09/08/2014, 18:21

... were applied and the required voltage measured The pulse height measured far away from the sample surface was used to define the basal resistance Then, the probe was approached towards an insulating ... (E) Insets in (A) and (B) display a magnification of the area marked by the dashes with increased contrast, white scale bar indicates 3.5 μm Arrows mark different cell parts that changed during ... times; rearranged for clarity) Whereas between scans A and B as well as between scans C and F (Fig 4) the cell moves into its heading direction it undergoes a change in shape leading to a lateral movement...

Ngày tải lên: 11/08/2014, 00:22

... Acidity and Alkalinity Background Acidity Alkalinity Importance of Alkalinity Criteria and Standards for Alkalinity Calculating Alkalinity Calculating Changes in Alkalinity, Carbonate, and pH 3.6 Hardness ... database used for establishing a final regulation An example of such a regulation may be a numerical standard for a chemical not previously regulated, a revised standard for a chemical already ... water standards Wetlands: Surface water and groundwater that supply wetlands Wetlands may be defined as areas that are inundated or saturated by surface or groundwater at a frequency and duration...

Ngày tải lên: 11/08/2014, 13:21

... hydroxyl, carbonate, carboxylate, phosphate, and cyanide anions, as well as humic acids and synthetic chelating agents such as nitrilotriacetate (NTA) and ethylenediaminetetraacetate (EDTA) • Acid-base: ... also affects polarizability Elongated molecules are more polarizable than compact molecules Thus, a linear alkane is more polarizable than a branched alkane of the same molecular weight All atoms ... cause an increase in the rate at which gases and volatile substances evaporate from water or soil into the atmosphere Electrostatic attractions can cause dissolved substances and small particles...

Ngày tải lên: 11/08/2014, 13:21

... alkalinity above 25 mg/L as CaCO3 CRITERIA AND STANDARDS FOR ALKALINITY Naturally occurring levels of alkalinity reaching at least 400 mg/L as CaCO3 are not considered a health hazard EPA guidelines ... substituted for TDS analysis If the ratio TDS TEST FOR ANALYTICAL RELIABILITY A calculated value for TDS may be used for judging the reliability of a sample analysis if all the important ions have also ... Originally, water hardness was a measure of the ability of water to precipitate soap It was measured by the amount of soap needed for adequate lathering and served also as an indicator of the rate...

Ngày tải lên: 11/08/2014, 13:21

... water downward Water pressure in the aquifer acts upward against gravity Capillary forces at the interface between the saturated and unsaturated zones also act upward against gravity Within a well, ... soil a trail of residual LNAPL trapped by sorption and capillary forces Capillary forces cause the LNAPL to spread horizontally as well as vertically downward, creating an inverted funnel-shaped ... just above the water table (also called the vadose zone), and a water-saturated zone, from the water table down to bedrock Capillary action extends the saturated zone somewhat above the water table...

Ngày tải lên: 11/08/2014, 13:21

... sites unavailable for cation adsorption As pH increases above 5, H+ ions are increasingly released into solution, making new sites available for cation adsorption Anion exchange capacity (AEC) arises ... layers and increases the surface area available for ion exchange Surface charge on the interlayer surfaces attracts additional cations Between the layers, adsorbed cations with large hydrated diameters ... granular activated charcoal is a reliable “last resort” for removing bad tastes and odors Powdered charcoal can be added as a slurry directly to a waste stream Gases can be passed through a canister...

Ngày tải lên: 11/08/2014, 13:21

... Fecal coliform and E coli are bacteria whose presence indicates that the water may be contaminated with human animal wastes Microbes in these wastes can cause diarrhea, cramps, nausea, headaches, ... mg/day for adults Drinking Water Standards The EPA has no primary drinking water standard for zinc The EPA secondary drinking water standard (nonenforceable) is mg/L, based on a metallic taste ... rivers contaminated with sewage and animal wastes Note: National primary drinking water regulations (NPDWRs, or primary standards) are legally enforceable standards that apply to public water systems...

Ngày tải lên: 11/08/2014, 13:21

... D  B   H  +"G + *++ID D J "3   "G-G G B   KLM @A? NOLPANA >  (" *+ ' *?@ @A  ), * $- *#!    " B#,-+ B+" *  D%!Q  *+  B++ + !+ ,RB#+" ... !"$# $(:!(  # /!( +0% # +%

Ngày tải lên: 21/09/2012, 11:02

Ngày tải lên: 04/10/2012, 10:02

... research funding, diarrhoea 60 million dollars in research funding, malaria 50 million dollars and TB 20 million dollars in research funding In conclusion it is clear that funding allocation for ... model answer: The graphs compare the number of deaths caused by six diseases in Someland in 1990 with the amount of research funding allocated to each of those diseases It can be clearly seen that ... deaths from leprosy, 0.3 million deaths from tropical diseases, 0.5 million deaths from diarrhoea, 0.4 million deaths from malaria and 1.8 million deaths from TB These figures can be contrasted...

Ngày tải lên: 04/10/2012, 10:02

... situation had changed radically by 1995 In 1995, 90% of women in Someland had completed secondary education and of those, half had graduated from an initial degree and 20% had gone on to postgraduate ... postgraduate studies At the other end of the scale we can see that by 1995 all girls were completing lower secondary, although 10% ended their schooling at this point This is in stark contrast with ... girls completed primary school, 35% had no schooling at all and 35% only completed the third grade In conclusion, we can see that in the 50 years from 1945 to 1995 there have been huge positive...

Ngày tải lên: 04/10/2012, 10:02

... of fish blasts, the total capacity of urban wastewater treatment plants, and the total capacity of treatment plants for industrial wastewater Examples of empirical parameters in RaMCo are the price ... variables No data Rational validation Stimuli MODEL SYSTEM Objective variables Available data Empirical validation Stimuli REAL SYSTEM Objective variables Figure 2.1 Conceptual framework of analysis ... like a river or an estuary to a complete water system such as a river basin or a coastal area These changes result in integrated coastal-zone management, integrated river basin management and/or...

Ngày tải lên: 06/11/2012, 10:35

... lots of boats and canoes and even a war ship A small one but Peter looked at the White Ensign on the stern and knew it was the Australian Navy After all this was part of Australia and why shouldn‟t ... enemy out The Americans were an unknown force Will had heard some of what had happened at Pearl Harbour The bush telegraph was always active in Australia but so was government A SONG FOR PETER censorship, ... towards the open sea Mum opened her big carry bag and out came sandwiches and fruit There was always fruit up here Not the apples and oranges of the south but mangoes and bananas and custard apples...

Ngày tải lên: 06/11/2012, 16:13

... samples was created by a laboratory panel (n ¼ 9; females, males, aged 25 –41 years) trained to evaluate attributes selected in advance The attributes were evaluated on a 9-point scale that was ... Preliminary data analysis revealed no significant main effects and only one significant interaction of day and aroma on the pleasantness ratings of the young, implicating an increase in pleasantness ... bitter and more intense in currant flavor and in overall flavor, and stronger in after-taste than the sample with a regular aroma concentration The heightened aroma concentration caused a slight...

Ngày tải lên: 03/04/2013, 21:06

... examples are presented in this readily accessible format to ease the mechanical aspects of analysis An entirely new feature is the optional availability of the advanced, knowledge-based financial analysis ... business A value driver can be as basic as a sustainable cost and/or quality advantage due to a patented process, a protected resource, or a unique set of operational skills It can be as intangible as ... addressed, managed, and measured they can lead to a tangible advantage or at least acceptable results In the end every value driver is a lever for improved cash flow performance, and the economic manager...

Ngày tải lên: 13/08/2013, 15:05