future directions in risk assessment
Tài liệu PTSD in Women Returning From Combat: Future Directions in Research and Service Delivery doc
... that counseling may have occurred in relation to the propranolol administration The authors concluded that the timing of propranolol administration and psychological counseling resulting in memory ... example, during this workshop, Magellan Health Systems presented information about its CME programs promoting evidence-based practices guidelines for diagnosing and treating PTSD These training programs ... dreams; 3) acting or feeling as if the traumatic event were recurring (reliving, illusions, hallucinations, dissociative flashbacks); 4) experiencing psychological distress at exposure to internal...
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NOVEL APPROACHES AND THEIR APPLICATIONS IN RISK ASSESSMENT doc
... Applications in Risk Assessment 3.2.2 Spirolides The toxins of the group of SPXs are characterised by binding to and blocking of AChR receptors in the central- and peripheral nervous system including ... in Risk Assessment estuarine system remains poorly studied in spite of its great hydrological influence on the MOB The Charente River is the major river discharging directly into the MOB During ... contamination risk assessment (water quality) and a water balance estimation (water quantity) Following the contamination risk assessment, the water balance estimation concludes in a risk assessment, ...
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Ecological Modeling in Risk Assessment - Chapter 1 pps
... Environmental Decision-Making Lev R Ginzburg and H Resit Akỗakaya Training and Education Applying Existing Ecological Models Integrating Existing Models Developing New, Case-Specific Models Investment Trade-offs ... endpoints, * The specific meaning of endpoint depends on its context; there are model endpoints, toxicity test endpoints, or risk assessment endpoints See Glossary entries for assessment endpoint, ... ecological models in the context of ecological risk assessment in the next section THE PROCESS OF ECOLOGICAL MODELING FOR CHEMICAL RISK ASSESSMENT The U.S EPA (1992) defined ecological risk assessment...
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Ecological Modeling in Risk Assessment - Chapter 5 docx
... it Relevance — HIGH — Possible endpoints include expected population size (age- or stage-specific), risk of decline, risk of extinction, and expected crossing time (the time at which the population ... estimating two matrices — one with toxins and one without toxins) Obtaining estimates of all such parameters can often be quite difficult However, model parameters are intuitive and can be interpreted ... to be considered (e.g., by choosing and parameterizing a dose–response function or by estimating two matrices — one with toxins and one without toxins) Obtaining estimates of all such parameters...
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Ecological Modeling in Risk Assessment - Chapter 7 pptx
... results include risk of extinction, risk of decline, time to extinction, time to decline, expected abundance, and expected variation in abundance The model has several parameters (e.g., carrying ... results include risk of extinction, risk of decline, time to extinction, time to decline, metapopulation occupancy, local occupancy duration, expected abundance, and expected variation in abundance ... are increasing or decreasing in time Treatment of Uncertainty — HIGH — The model simulates variability in patch occupancy It has special features for sensitivity analysis to incorporate uncertainties...
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Ecological Modeling in Risk Assessment - Chapter 8 doc
... modeling incorporating the effects of toxic chemicals Software for population and food-web modeling Software for food-web modeling incorporating the effects of toxic chemicals Reference Internet ... Relevance — HIGH — Potential endpoints include the expected population size of any population in the model, risk of decline, risk of extinction, and expected crossing time (the time at which the ... species and trophic interactions are user defined The user can define use of any predator–prey model Treatment of Uncertainty — LOW — No treatment of uncertainty is included in this program Degree...
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Ecological Modeling in Risk Assessment - Chapter 9 pps
... LEEM was initiated by the International Joint Commission to aid in anticipating the effects of declining nutrient loading, invasion of zebra mussels, loading of toxic organic contaminants on ... population submodels run in parallel and linked by informational constraints (Sturtevant and Heath 1995) The model divides Lake Erie into three distinct basins Within each basin, the model simulates ... outputs from EcoWin include those endpoints that are routinely included in ecological risk assessments The model explicitly accounts for toxic chemical effects Flexibility — HIGH — EcoWin was purposely...
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Ecological Modeling in Risk Assessment - Chapter 10 docx
... capabilities include forecasting vegetative structure, assessing wildlife habitat, analyzing fire hazard, determining forest health risk, and monitoring ecological processes Using a parallel processing ... for developing silvicultural prescriptions, evaluating management scenarios, updating inventory information, and providing input to forest planning models (USDA 1999 and references therein) Additional ... primary extrinsic factor Intrinsic factors include species recruitment, foraging efficiency, and reproductive rates It is a bioenergetic model in which the two species of Dipodomys feed on a single...
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Ecological Modeling in Risk Assessment - Chapter 11 potx
... modeling (Nestler 2001, pers comm.) The modeling strategy inherent in CEL HYBRID has subtle problems in maintaining conservation when any sources or sinks are present and a problem with inflation ... of organisms in different environments Treatment of Uncertainty — LOW — In principle, one could introduce uncertainty and risk analysis into CEL HYBRID by enclosing the model within a Monte Carlo ... become increasingly fragmented and individual patch types are increasingly dispersed In adapting the matrix to an actual landscape, an iterative fitting process is used Realism — HIGH — Assuming...
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Ecological Modeling in Risk Assessment - Chapter 13 pdf
... which software package is being used); possibilities include expected future abundance, risk of decline in abundance, risk of extinction, time to extinction, time to decline, harvested biomass, as ... Expected future abundance, risk of decline in abundance, risk of extinction, time to extinction, time to decline, harvested biomass Has high realism, relevance, and flexibility and can be used for risk ... question being asked (endpoint); generally ranges from several weeks to several decades Structured population Tier Expected future abundance, risk of decline in abundance, risk of extinction, time...
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Ecological Modeling in Risk Assessment - Chapter 14 pot
... integrating existing models and creating new models (Figure 14.1) Integrating existing models results in models with enhanced capabilities in the midterm, whereas creating new models results in new ... a result of training, increasing investments can be focused on application of existing models Over time, the increased knowledge from applying models allows integration of existing models and ... using ecological models Selecting the appropriate model The types of data needed for different types of models Interpreting the results of models Modeling, interpreting, and communicating risk...
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Ecological Modeling in Risk Assessment - Chapter 15 pdf
... approach for addressing many risk assessment issues (Ferson et al 1996; Barnthouse 1998) Indeed, incorporation of simple, scalar population modeling into screening-level ecological risk assessments could ... results of such assessments; in some cases, they could help to avoid unnecessary expenditures on a higher-tier risk assessment Examined over a hierarchical spectrum of endpoints, modeling of populations ... highest combination of ecological relevance and tractability (Figure 15.1) We therefore recommend that population modeling be included in most ecological risk assessments either at the screening level...
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Ecological Modeling in Risk Assessment - Chapter 16 ()end) pptx
... approach for addressing most risk assessment issues, including screening-level evaluations For screening-level ecological risk assessments, stochastic scalar abundance models and deterministic life-history ... affect mate finding or mating This effect increases in intensity as population abundance decreases and is destabilizing in the sense that populations experiencing this effect tend to go extinct allometric ... Ferson, 1997): Interval risk decline is the probability of a population declining by as much as a given percentage of its initial value at any time during the simulation Interval extinction risk is...
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Risk Assessment of Fenthion Oxide Derivatives in Aqueous Environment
... and Ventura F (2001) Monitoring of pesticides in drinking and related waters in NE Spain with a multiresidue SPE-GC-MS method including an estimation of the uncertainty of the analytical results, ... careful monitoring of MPP oxides in drinking water is required to evaluate the acute toxicity of MPP because human population could be exposed to MPP oxon sulfone through the drinking water and ... CONCLUSIONS In this study, the possible genesis of MPP oxide derivatives in the environment was investigated as well as their potential toxicity to humans in a cholinesterase assay The in vitro...
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Radiological risk assessment for Al-Twuaitha nuclear site in Iraq
... scenario predictive modeling, forecasting, simulation, and optimization It gives unparalleled insight into the critical factors affecting risk True variability and uncertainty for each variable ... present work is to evaluate the risk of radioactivity in the contaminated soil using crystal ball software and samples taken at different points from the surrounding areas of the research reactor ... parameters and variables with a decision to estimate the risk profile and to estimate the uncertainty of the endpoints of the risk assessment, according to defend scenario Statistical technique with...
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A Knowledge-Based Approach to Network Security: Applying Cyc in the Domain of Network Risk Assessment pptx
... result To avoid a combinatorial explosion, we implemented multi-binding of variables When the inference engine returns the bindings for a precondition, the planner retains them in groups by variable ... is not interesting in itself; rather, system administrators care about determining what the dangerous vulnerabilities of the system are and prioritizing them in order of urgency By analyzing plans’ ... cause the planner to find all sequences of actions that result in Hacker acquiring login information for any account The predicate doGetLoginInfoForAccount itself decomposes into a sequence of actions,...
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Assessment of Directions in Microgravity and Physical Sciences Research at NASA pot
... This includes building and maintaining sufficient in- house expertise and ensuring that the PSD reaches out to new communities since many disciplines are involved, including physics, chemistry, biology, ... their melting points To these existing disciplines the PSD is considering adding research in biomolecular physics and chemistry and in nanotechnology, as well as research in support of HEDS In its ... program remains to be seen Given the uncertainty in the future, the committee did not consider the availability of ISS resources in formulating its findings and recommendations REFERENCES International...
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A meta analysis and risk assessment of heavy metal uptake in common garden vegestable
... electroplating, smelting, and ore processing (ATSDR 1994) Mine tailings and drainage from mines can contain high concentrations of zinc (Cobb et al 2000) The fate and transport of zinc (Zn+2) in the ... because of inadequacies data reporting Risk Assessment A comprehensive risk assessment was performed in an attempt to quantify the carcinogenic and noncarcinogenic risks, associated with ingestion ... federal agencies, and individuals conducting human health risk assessments It contains information on the human health risk assessment process used in CERCLA mandated remedial investigations and...
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Biosafety & risk assessment in agricultural biotechnology
... as insect pest populations increas- Risk Assessment 31 ingly are exposed to high levels of Bt proteins over ining the frequency of recombination events in long periods, emergence of resistant individuals ... to individuals or groups of individuals are determined In combination, they determine a level Despite the inherent level of uncertainty of risk (R) This is commonly described algorithmi- involved ... questions taken into consideration Alternatively, making based on points raised by outside contacts, thus experience and information available in written bringing wider input to the risk- assessment...
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Báo cáo " PRELIMINARY RISK ASSESSMENT POSED BY FORMALDEHYDE RESIDUES IN CLOTHING TO VIETNAMESE CONSUMERS " docx
... formaldehyde levels may decline initially after washing, the levels may start increasing again after multiple washes This can be explained by noting that during washing and ironing, resins fixed on clothes ... A MOE of 100 is considered for defining a safe level in risk assessment (WHO, 1994) because of inter- and intraspecies variations or any inherent uncertainty in databases If a MOE of 100 is considered ... health risks In short, the clothing examined in this study could cause local irritation in mucous membranes, including the eyes, nose and upper respiratory tract (owning to acute exposure via inhalation),...
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