Liability of Groundwater and Depth of Soil to Contamination by Pesticides and Other Organic Xenobiotics: Two Case Histories

1993 ◽  
Vol 27 (7-8) ◽  
pp. 203-212 ◽  
Author(s):  
Lea Muszkat ◽  
Daniel Raucher ◽  
Lina Bir ◽  
Mordeckai Magaritz ◽  
Daniel Ronen
Keyword(s):  
Organic Pollutants ◽  
Groundwater Pollution ◽  
Unsaturated Zone ◽  
Chemical Waste ◽  
Geological Conditions ◽  
Significant Difference ◽  
Long Term Follow Up ◽  
Clay Layers ◽  
A Site ◽  
The Impact

We discuss the penetration of organic pollutants into the depth of soil and into groundwater under different environmental and geological conditions. In one case a field study was conducted on the impact of prolonged irrigation by effluents on groundwater and vadose zone contamination. The studied site was rich in sandy soil which allowed vertical penetration of pollutants into the depth. A significant difference has been observed in the distribution of organic pollutants in the effluent irrigated site, where the pollution increased markedly while descending from the top soil into the unsaturated zone, compared to the two control sites, where the extent of pollution decreased strongly with the depth. It seems that detergents and other surfactants present in the effluents strongly enhance the transport of organic components via the unsaturated zone. The second case study deals with the transport of organic pollutants in a site where the subsoil is interspaced with clay layers. In this case groundwater pollution derived from the chemical waste of a pesticides plant. A long term follow up of groundwater pollution indicates that the typical contaminant distribution pattern remained unchanged during the years. The pollutants distribution indicates that in this area the penetration of organic pollutants does not occur vertically but rather by horizontal flow, due to inhibition of vertical migration by a thick clay layer present in this area.

scholarly journals Impact of Coronary Artery Disease and Diabetes Mellitus on the Long-Term Follow-Up in Patients after Retrograde Recanalization of the Femoropopliteal Arterial Region

2019 ◽  
Vol 2019 ◽  
pp. 1-6 ◽  
Author(s):  
Joanna Wojtasik-Bakalarz ◽  
Zoltan Ruzsa ◽  
Tomasz Rakowski ◽  
Andreas Nyerges ◽  
Krzysztof Bartuś ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Coronary Artery Disease ◽  
Coronary Artery ◽  
Risk Of Death ◽  
Significant Difference ◽  
Long Term Follow Up ◽  
Artery Disease ◽  
The Impact

The most relevant comorbidities in patients with peripheral artery disease (PAD) are coronary artery disease (CAD) and diabetes mellitus (DM). However, data of long-term follow-up of patients with chronic total occlusion (CTO) are scarce. The aim of the study was to assess the impact of CAD and DM on long-term follow-up patients after superficial femoral artery (SFA) CTO retrograde recanalization. In this study, eighty-six patients with PAD with diagnosed CTO in the femoropopliteal region and at least one unsuccessful attempt of antegrade recanalization were enrolled in 2 clinical centers. Mean time of follow-up in all patients was 47.5 months (±40 months). Patients were divided into two groups depending on the presence of CAD (CAD group: n=45 vs. non-CAD group: n=41) and DM (DM group: n=50 vs. non-DM group: n=36). In long-term follow-up, major adverse peripheral events (MAPE) occurred in 66.6% of patients with CAD vs. 36.5% of patients without CAD and in 50% of patients with DM vs. 55% of non-DM subjects. There were no statistical differences in peripheral endpoints in both groups. However, there was a statistically significant difference in all-cause mortality: in the DM group, there were 6 deaths (12%) (P value = 0.038). To conclude, patients after retrograde recanalization, with coexisting CTO and DM, are at higher risk of death in long-term follow-up.

Psychosocial adjustment among women with breast cancer stages I and II: six-year follow-up of consecutive patients.

1994 ◽  
Vol 12 (9) ◽  
pp. 1778-1782 ◽  
Author(s):  
M Omne-Pontén ◽  
L Holmberg ◽  
P O Sjödén
Keyword(s):  
Breast Cancer ◽  
Psychosocial Adjustment ◽  
Social Adjustment ◽  
Negative Experience ◽  
Follow Up Study ◽  
Significant Difference ◽  
Long Term Follow Up ◽  
The Impact

PURPOSE To evaluate, in a long-term follow-up study of consecutive patients (N = 99), the impact of surgery--breast-conserving treatment (BCT) versus mastectomy (MT)--on psychosocial adjustment among women with breast cancer, pTNM stage I/II. PATIENTS AND METHODS Semistructured interviews were conducted at a median of 6 years (range, 5.8 to 8.1) after primary surgery. Sixty-six women were available for the long-term follow-up study. Twenty-six women had been treated with BCT and 40 with MT. RESULTS No statistically significant differences were found between the two groups concerning psychosocial adjustment, as measured by the Social adjustment Scale (SAS). In general, the levels of maladjustment were lower than at 13 months postoperatively, but 10% still showed maladjustment. Sixty percent of the women were unwilling to show themselves naked, and 22% felt that they had become less attractive because of the surgical treatment. In an explorative part of the interview, 68% of the women complained about how they had been informed of the diagnosis. A tendency toward a significant difference was found in the relation between previous maladjustment and a negative experience at the time of diagnosis (P = .07). CONCLUSION Few data are available on long-term follow-up results with regard to psychosocial adjustment among women after breast cancer surgery. This study provides the important information that there are no differences in patient psychosocial adjustment that can be ascribed to the type of surgery at 6-year follow-up evaluation.

Levels of Environmental Uncertainty of a Site-Based Management School within a Minority/Majority Context

1993 ◽  
Vol 3 (2) ◽  
pp. 136-151 ◽  
Author(s):  
Absael Antelo ◽  
Martha N. Ovando
Keyword(s):  
Elementary School ◽  
Environmental Uncertainty ◽  
State Legislature ◽  
Site Based Management ◽  
Uncertainty Index ◽  
Significant Difference ◽  
A Site ◽  
And Coping ◽  
The Impact ◽  
Perceived Environmental Uncertainty

The focus of this study was the perceived environmental uncertainty (PEU) of teachers in two selected elementary schools in a minority/majority context. It attempted to determine the sources of uncertainty that are perceived by teachers in a site-based management (SBM) elementary school and a non-site-based management elementary school. Specific items were examined to determine which indistrict and out-district matters were related to uncertainty and to explore whether or not the two groups of teachers in the selected schools were different regarding their perceived environmental uncertainty. A basic causal-comparative design was employed and the Perceived Environmental Uncertainty Index (PEUI) developed by Singh (1991) was used to collect data. Means, standard deviations and t-tests were calculated to quantify and summarize the data. Findings indicate that the PEU levels for the SBM school were lower than that of the non-SBM school; specific in-district and out-district items rated as most unclear and significant are different for both schools. However, both schools were concerned with the impact of state legislature on job. There is a significant difference in in-district PEU, out-of-district PEU and total PEU between the two schools. These results seem to suggest that site-based management is a viable alternative for reducing and coping with environmental uncertainty. However, further research needs to focus on other levels of school following a SBM approach. Additional studies should address correlations between perceived environmental uncertainty and student success.

scholarly journals Characterizing natural degradation of tetrachloroethene (PCE) using a multidisciplinary approach

AMBIO ◽  
2020 ◽  
Author(s):  
Sofia Åkesson ◽  
Charlotte J. Sparrenbom ◽  
Catherine J. Paul ◽  
Robin Jansson ◽  
Henry Holmstrand
Keyword(s):  
Multidisciplinary Approach ◽  
Dna Analysis ◽  
Chlorinated Solvents ◽  
Biotransformation Process ◽  
Geological Conditions ◽  
Natural Degradation ◽  
A Site ◽  
Geological Units ◽  
Microbial Dna ◽  
The Impact

AbstractA site in mid-western Sweden contaminated with chlorinated solvents originating from a previous dry cleaning facility, was investigated using conventional groundwater analysis combined with compound-specific isotope data of carbon, microbial DNA analysis, and geoelectrical tomography techniques. We show the value of this multidisciplinary approach, as the different results supported each interpretation, and show where natural degradation occurs at the site. The zone where natural degradation occurred was identified in the transition between two geological units, where the change in hydraulic conductivity may have facilitated biofilm formation and microbial activity. This observation was confirmed by all methods and the examination of the impact of geological conditions on the biotransformation process was facilitated by the unique combination of the applied methods. There is thus significant benefit from deploying an extended array of methods for these investigations, with the potential to reduce costs involved in remediation of contaminated sediment and groundwater.

Using Hypnosis, Technique Refinement, and Self-Modeling to Enhance Self-Efficacy: A Case Study in Cricket

2006 ◽  
Vol 20 (1) ◽  
pp. 94-110 ◽  
Author(s):  
Jamie B. Barker ◽  
Marc V. Jones
Keyword(s):  
Self Efficacy ◽  
Single Subject ◽  
Post Intervention ◽  
Significant Difference ◽  
Long Term Follow Up ◽  
Data Points ◽  
Run Up ◽  
The Impact

The present paper reports the impact of hypnosis, technique refinement, and selfmodeling on the self-efficacy levels of a cricket leg-spin bowler. A single-subject (A-B) design was employed with the collection of 8 baseline data points and 16 post-intervention data points that included 8 data points collected 7 months after the intervention. The intervention comprised three aspects. Aspect one focused on using hypnosis and self-hypnosis to increase self-efficacy. Aspect two was based around refining the bowler’s technique, focusing on the run-up, head position, and follow-through. Aspect three focused on self-modeling through the use of an edited videotape. The results revealed a significant difference between pre and post-intervention self-efficacy levels. This positive change was maintained in the long-term follow-up data. Also an increase in bowling performance was noted across the intervention. A number of consultancy issues are presented surrounding the use of hypnosis as part of a multimodal intervention.

Measuring Impact of Stress in Sandwich Generation Caring for Demented Parents

GeroPsych ◽  
2014 ◽  
Vol 27 (4) ◽  
pp. 171-179 ◽  
Author(s):  
Laurence M. Solberg ◽  
Lauren B. Solberg ◽  
Emily N. Peterson
Keyword(s):  
Factor Analysis ◽  
Exploratory Factor Analysis ◽  
Social Worker ◽  
Resource Availability ◽  
Well Being ◽  
Sandwich Generation ◽  
Item Questionnaire ◽  
Significant Difference ◽  
Adult Caregivers ◽  
The Impact

Stress in caregivers may affect the healthcare recipients receive. We examined the impact of stress experienced by 45 adult caregivers of their elderly demented parents. The participants completed a 32-item questionnaire about the impact of experienced stress. The questionnaire also asked about interventions that might help to reduce the impact of stress. After exploratory factor analysis, we reduced the 32-item questionnaire to 13 items. Results indicated that caregivers experienced stress, anxiety, and sadness. Also, emotional, but not financial or professional, well-being was significantly impacted. There was no significant difference between the impact of caregiver stress on members from the sandwich generation and those from the nonsandwich generation. Meeting with a social worker for resource availability was identified most frequently as a potentially helpful intervention for coping with the impact of stress.

Fictive Fathers in the Field

2020 ◽  
Vol 1 (3) ◽  
pp. 265-273
Author(s):  
Katrina Daly Thompson
Keyword(s):  
Cultural Studies ◽  
Ethnographic Research ◽  
A Site ◽  
The Impact

Through my own narrative about my relationship with my fictive father in Zanzibar and the impact of this relationship on my research, in this autoethnographic essay I explore three themes: fictiveness, fatherhood, and the field. These themes tie together different aspects of the term “patriography,” linking them to ethnography and its subgenre autoethnography. Drawing on the term “patriography” as the science or study of fathers, I use the concept of “the field” to examine the impact of narratives about fathers on not only the field as a site of ethnographic research but also on the field of African cultural studies.

Implicit and explicit corrective feedback and feedback exposure conditions

2020 ◽  
Vol 4 (1) ◽  
pp. 3-48
Author(s):  
Takehiro Iizuka ◽  
Kimi Nakatsukasa
Keyword(s):  
Explicit Knowledge ◽  
Corrective Feedback ◽  
Significant Difference ◽  
Oral Corrective Feedback ◽  
Post Test ◽  
Picture Description ◽  
Potential Factors ◽  
Implicit And Explicit ◽  
Instructional Settings ◽  
The Impact

This exploratory study examined the impact of implicit and explicit oral corrective feedback (CF) on the development of implicit and explicit knowledge of Japanese locative particles (activity de, movement ni and location ni) for those who directly received CF and those who observed CF in the classroom. Thirty-six college students in a beginning Japanese language course received either recast (implicit), metalinguistic (explicit) or no feedback during an information-gap picture description activity, and completed a timed picture description test (implicit knowledge) and an untimed grammaticality judgement test (explicit knowledge) in a pre-test, immediate post-test and delayed post-test. The results showed that overall there was no significant difference between CF types, and that CF benefited direct and indirect recipients similarly. Potential factors that might influence the effectiveness of CF, such as instructional settings, complexity of target structures and pedagogy styles, are discussed.

Reducing the Social Stigma Associated with Obsessive Compulsive Disorder: A Controlled Trial of an Intervention Program in a Turkish Community Sample

2020 ◽  
Vol 20 (2) ◽  
pp. 101-120
Author(s):  
Ayça Aktaç Gürbüz ◽  
Orçun YORULMAZ ◽  
Gülşah DURNA
Keyword(s):  
Obsessive Compulsive Disorder ◽  
Intervention Program ◽  
Controlled Trial ◽  
Community Sample ◽  
Case Vignette ◽  
Control Group ◽  
Obsessive Compulsive ◽  
Compulsive Disorder ◽  
Significant Difference ◽  
The Impact

Scientific research into the reduction of stigmatization, particularly related to specific problems such as Obsessive-Compulsive Disorder (OCD), is scarce. In the present study, we examine the impact of a video-based antistigma intervention program for OCD in a pretest-posttest control group research. After being randomly assigned to either an intervention (n= 101) or control group (n= 96), the participants reported their attitudes on a hypothetical case vignette before and after OCD vs. Multiple Sclerosis (MS) videos, and again six months later as a follow up assessment. The mixed design analyses for the group comparisons indicated that although there was no significant difference in the measures of the control group, the participants watching the anti-stigma OCD video, in which the focus was psychoeducation and interaction strategies, reported significantly lower scores on social distances and negative beliefs for the case vignettes they read, and this difference was maintained six months later. Then, the present results indicate the effectiveness of our anti-stigma intervention program for OCD. Interventions to reduce stigmatization can also be viewed as effective tools for changing the attitudes of people toward OCD, although further research and applications are needed related to specific disorders if a longlasting impact is to be achieved.

Antecedents And Outcomes Of Qwl Among Employees In Banks

2019 ◽  
Vol 118 (7) ◽  
pp. 1-19
Author(s):  
Geethanjali N ◽  
Parveen Roja M ◽  
Lavanya D
Keyword(s):  
Organizational Climate ◽  
Job Stress ◽  
Work Life ◽  
Working Environment ◽  
Quality Of Work Life ◽  
Quality Of Work ◽  
Significant Difference ◽  
Service Productivity ◽  
The Impact

Quality of work life is the major factor to be considered in working environment of any organization. The performance of employees and the organization lies on the ability of the employees based on working environment. The QWL leads to better working environment which improves the performance of organization. The present study has made an attempt to find the level of factors causing QWL and the impact of outcome of QWL in banks. Since the profile of the banks may be associated with the level of outcomes of QWL, the present study has made an attempt to examine it with the help of one way analysis of variance and t-test. The included outcomes of QWL are job satisfaction, job stress, organizational climate, organizational commitment, employees retention behaviour, service quality employees and service productivity of employees. The highly associated determinants of QWL and the significant difference among the PUSBs and PRSBs have been noticed. The significantly associating important profiles of the banks regarding the existence of outcome of QWL are identified.

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