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Статті в журналах з теми "Sanitary stress"
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Aslam, Nadim, Steve Gwilym, and Rajan Natarajan. "Femoral neck stress fracture in a sanitary worker." European Journal of Emergency Medicine 11, no. 4 (August 2004): 220–22. http://dx.doi.org/10.1097/01.mej.0000134727.10475.17.
Повний текст джерела
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Lestari, Ida Ayu Indira Dwika, Dewi Novita Hardiyanti, and Ida Bagus Made Widiadnya. "Evaluation of Heat Stress Control Worker in Kiln and Cast Shop at PT X." Jurnal Kesmas Untika Luwuk : Public Health Journal 13, no. 2 (December 27, 2022): 91–99. http://dx.doi.org/10.51888/phj.v13i2.142.
Повний текст джерелаАнотація:
PT X merupakan perusahaan yang bergerak di bidang sanitary manufactur yang memproduksi peralatan sanitasi. Salah satu tahapan produksinya yaitu pencetakan (casting) serta pembakaran yang suhunya dapat mencapai 20000C. Penelitian ini bertujuan untuk mengethui pengendalian heat stres yang telah dilakukan perusahaan terhadap pekerja di area Kiln dan Cast shop di PT X. Penelitian ini bersifat deskriptif dengan desain penelitian cross-sectional, dengan unit analisis perusahaan manufacturing. Penelitian dilakukan dengan mengukur suhu lingkungan dan suhu yang diterima oleh pekerja yang berada di unit cast shop dan kiln. Hasil menunjukkan indeks WBGT in rata-rata area Kiln dan Cast Shop antara 30.710C-33.80C dengan pola kerja pekerja 50%-75% serta beban kerja yang masuk dalam katagori sedang jika dibandingkan dengan standard yang ditetapkan, kondisi ini dapat menyebabkan pekerja mengalami heat stress. Adapun rekomendasikan yang diberikan yaitu dengan penambahan titik untuk penyedian air minum, agar satus hidrasi pekerja tetap terjaga sehingga pekerja tidak mengalami heat stress selama bekerja PT X is a company engaged in the sanitary manufacturing sector that produces sanitary equipment. One of the production stages is molding (casting) and burning where the temperature can reach 20000C. This study aims to determine the control of heat stress that has been carried out by the company on workers in the Kiln and Cast shop area at PT X. This research is descriptive with a cross-sectional research design, with a manufacturing company as the unit of analysis. The research was conducted by measuring the ambient temperature and the temperature received by workers in the cast shop and kiln units. The results show that the average WBGT index in the Kiln and Cast Shop area is between 30.710C-33.80C with a work pattern of 50% -75% and the workload is in the moderate category when compared to the standards set, this condition can cause workers to experience heat stressed. The recommendations given are by adding points for the provision of drinking water, so that the hydration status of workers is maintained so that workers do not experience heat stress while working.
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Usevich, V. M., M. N. Drozd, and L. Banda. "Veterinary sanitary assessment of the quality of meat products and the morphofunctional characteristics of the muscle tissue of pigs fed a mineral adaptogen." E3S Web of Conferences 282 (2021): 04005. http://dx.doi.org/10.1051/e3sconf/202128204005.
Повний текст джерелаАнотація:
Pigs are the most susceptible to stress. Therefore, the purpose of our research was to assess the effect of the mineral adaptogen on animal health and the quality of meat products. Research methods. The studies were conducted on piglets of a large white breed. With the use of hematological, immuno-biochemical, morphological methods of research and veterinary and sanitary assessment of the quality of meat products obtained. Results. It was found that the mineral adaptogen has a positive effect on the immune system, metabolic processes, and the reduction of stress-dependent glucose and cortisol levels. Scientific novelty. For the first time, comprehensive studies have been conducted showing the effect of mineral adaptogen not only on immunocompetent organs and immune indicators, but also a complex effect on stress resistance, reduction of toxigenic activity of feed, stabilization of metabolic processes in animals, and veterinary-sanitary and micromorphological assessment of the quality of meat products.
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Kausheic, M. Ajay, Karthikeyan K., Shagirunisha Rizvana A. M., and B. Ganesh Babu. "Menstrual hygiene practices among adolescent girls in rural area of India." International Journal Of Community Medicine And Public Health 8, no. 6 (May 25, 2021): 3180. http://dx.doi.org/10.18203/2394-6040.ijcmph20212031.
Повний текст джерелаАнотація:
Menstruation and menstrual practices still face many social, cultural, and non secular restrictions which is an enormous barrier within the path of menstrual hygiene management. In many parts of the country especially in rural areas girls aren't prepared and aware of menstruation in order that they face many difficulties and challenges reception, schools, and work places. In rural areas, women don't have access to sanitary products or they know little about the kinds and method of using them or are unable to afford such products due to high cost. So, they mostly believe reusable cloth pads which they wash and use again. Implementation of recent techniques like incineration can help to scale back the waste. Also, awareness should be created to stress the utilization of reusable sanitary products or the natural sanitary products made up of materials like banana fibre, bamboo fibre, sea sponges, water hyacinth, and so on.
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Максут, Н. А., А. К. Текманова, К. К. Тогузбаева, Э. И. Кусайынова, and А. А. Елепберген. "PSYCHO-EMOTIONAL STATE OF EMPLOYEES OF THE SANITARY AND EPIDEMIOLOGICAL CONTROL COMMITTEE UNDER QUARANTINE. (LITERARY REVIEW)." Vestnik, no. 2 (June 25, 2021): 295–301. http://dx.doi.org/10.53065/kaznmu.2021.96.55.053.
Повний текст джерелаАнотація:
Анализ в ходе исследования влияния факторов риска, влияющих на психоэмоциональное состояние работников комитета санитарно-эпидемиологического надзора в условиях карантина. Постоянное нахождение санитарных врачей в сфере здравоохранения в стрессовой ситуации при общении с больными в очаге заболевания, возникновение социально-медицинских проблем и другие морально-психологические факторы негативно влияют на их социально - психологический статус. Актуальность изучения данной проблемы стремительно растет из-за низкого уровня стрессоустойчивости и эмоционального выгорания значительной части санитарных врачей. В связи с распространенной эпидемиологической ситуацией в 2020 году на санитарных врачей в сфере общественного здравоохранения Республики Казахстан возложена большая нагрузка и ответственность. В связи с этим актуальным вопросом является определение психоэмоционального состояния санитарных врачей. Analysis of the influence of risk factors affecting the psychoemotional state of employees of the Committee for sanitary and epidemiological supervision in quarantine conditions. The constant presence of sanitary doctors in the field of health care in a stressful situation when communicating with patients in the focus of the disease, the occurrence of socio-medical problems and other moral and psychological factors negatively affect their socio-psychological status. The relevance of the study of this problem is rapidly growing due to the low level of stress resistance and emotional burnout of a significant part of sanitary doctors. Due to the widespread epidemiological situation in 2020, sanitary doctors in the field of public health of the Republic of Kazakhstan have a large burden and responsibility. In this regard, the current issue is the definition of the psychoemotional state of sanitary doctors.
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Venugopal, Vidhya, Shanmugam Rekha, Krishnamoorthy Manikandan, Perumal Kamalakkannan Latha, Viswanathan Vennila, Nalini Ganesan, Perumal Kumaravel, and Stephen Jeremiah Chinnadurai. "Heat stress and inadequate sanitary facilities at workplaces – an occupational health concern for women?" Global Health Action 9, no. 1 (September 15, 2016): 31945. http://dx.doi.org/10.3402/gha.v9.31945.
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Muraspahić, Muamer, Isaja Kastrat, Semsudin Plojović, Mirsad Imamovic, Sonja Ketin, and Rade Biocanin. "Effect of Sanitary-Environmental Conditions of Diabetic Hypertension Incidence in Displaced Persons." Open Access Macedonian Journal of Medical Sciences 5, no. 1 (January 28, 2017): 86–90. http://dx.doi.org/10.3889/oamjms.2017.008.
Повний текст джерелаАнотація:
BACKGROUND: The abnormal conditions of life and genetic factors often play a major role in the incidence of "diabetes - diabetes", heart disease and vascular disease, jaundice and posttraumatic stress.AIM: Trauma and posttraumatic stress are most common in the displaced persons, and the focus of this paper is to focus on this issue regarding cases in former Yugoslavia, and now in our country. These diseases are caused by increased beta-cell sensitivity to viruses, the development of autoimmune antibodies attacking their pancreas cells, degenerative changes in cells that result in the change of structure and of insulin production.MATERIALS AND METHODS: In this paper, we have taken into account the traumatic events and long-term psychosocial consequences for internally displaced persons, several years after displacement, and found a high level of PTSD symptoms.RESULTS: This stress is present in almost 1/3 of internally displaced persons, and every sixth person has suffered from PTSD in the past. Respondents suffer from symptoms of intrusion, but there was a large number of symptoms, such as avoidance and increased arousal. We also found that gender, age and education are related to the symptoms.CONCLUSION: Females, and older respondents and internally displaced persons with lower levels of education show a higher level of PTSD symptoms.
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Svistova, I. D., Natalya N. Nazarenko, and I. I. Koretskaya. "Sanitary dangerous filamentous microorganisms in soils of the city of Voronezh." Hygiene and sanitation 95, no. 3 (October 28, 2019): 247–50. http://dx.doi.org/10.18821/0016-9900-2016-95-3-247-250.
Повний текст джерелаАнотація:
On the example of urban soils of the city of Voronezh there was revealed dependence of the degree of the disturbance of complexes of filamentous microorganisms on soil contamination levels. For the complex of micromycetes in the recreational area of the city disturbances are reversible and correspond to the adaptive range of "stress". In the transport an irreversible transition originates to the adaptive range of "resistance". There are accumulated toxigenic, opportunistic and allergenic fungi species that is harmful to the health of the urban population. The complex of soil actinomycetes is more sustainable. Microbiological indices (lists of indicative species offungi) should be used for the monitoring of urban soils.
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Kala, Karthika, Binu Areekal, Reshmy Ravindran, and Safa Puliyakkadi. "Menstrual Practices among Rural High School Students in Thrissur - Central Kerala." Journal of Evidence Based Medicine and Healthcare 7, no. 50 (December 14, 2020): 2981–86. http://dx.doi.org/10.18410/jebmh/2020/609.
Повний текст джерелаАнотація:
BACKGROUND Adolescence is the transitional phase of growth and development between childhood and adulthood. Menstruation, which is a milestone event in a girl's reproductive life begins during this period and it is also one of the major causes of stress in this stage. Adequate knowledge and good menstrual practices can help in addressing this stress and also in preventing reproductive tract infections to a great extent. This study tries to assess the awareness with regard to menstrual practice and its determinants among adolescent girls in a rural area of Central Kerala. The study also aims to explore the social taboos related to menstrual practices. METHODS This cross-sectional study was conducted at two high schools in Thrissur district of Central Kerala. The study methodology involved visiting the selected schools and questions about menstrual practices were put to students individually ensuring adequate privacy, with the aid of a semi-structured interview schedule. 196 adolescent girls participated in the study. The data was coded and entered into MS excel. Further analysis was done using the software SPSS 16.0 version. RESULTS The percentage of girls using sanitary pad is 32.1 %, clothes were used by 12.2 % girls, and 55.6 % used either cloth or sanitary pad. Most of them disposed their sanitary pads by burning them (75.6 %), but 16.3 % threw their pads / clothes in the general waste, some flushed them in the toilet (8.1 %). 64.3 % of them washed and exposed their undergarments in the sun but 35.7 % washed and kept them inside their house. 84.7 % of girls were aware about menstruation at the time of menarche. In 58.7 % of cases the source of information was their mother. Regarding social taboos during menstruation, the most common one was inability to attend social or religious functions during menstruation (76 %) followed by restrictions in going out (9.7 %), and 7.7 % in food preparation. 7 % of girls had to sleep in a corner of the room while they were menstruating. Maternal education, family income and awareness regarding menstruation had statistically significant association with usage of sanitary pads. CONCLUSIONS Majority of the adolescent girls had awareness regarding menstruation. However, there were some who followed less than ideal practices when it comes to disposal of sanitary napkins / clothes and care of undergarments. The wrong concepts like menstruation is a ‘disease of impurity’ and menstruation occurs when ‘bad blood’ collects is still prevalent among the adolescent girls. It is of concern that the social taboos regarding menstruation are still widely embraced by the society. KEYWORDS Menstrual Practices, Menstrual Awareness, Kerala, Menstruation
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Oladejo, Abiodun. "“If It's Yellow, Let It Mellow, If It's Brown, Let It Drown”: Examining the Health Effects of Drought-Induced Water Rationing for Sanitary Needs." Management and Economics Research Journal 8, S7 (January 26, 2022): 1–9. http://dx.doi.org/10.18639/merj.2022.9900051.
Повний текст джерелаАнотація:
This paper focuses on the impacts of water stress on health outcomes. It specifically investigates the health effects of insufficiency of water for sanitary needs in drought-affected households. A focus group discussion that drew medical experts from such fields as medicine, virology, and microbiology was conducted to collect data. The findings of the study show that there is a possibility of vulnerability to negative health outcomes such as Cholera, Diarrhea, and respiratory problems by households that lack the necessary levels of water for domestic, sanitation, and hygiene uses. It is therefore important that individuals and households susceptible to the vagaries of drought be aware of this relationship so that they may forge necessary adaptive measures such as the use of purifiers, hand and surface sanitizers, and disinfectants to mitigate the health effects of a drought that are related to inadequate water use for sanitary purposes.
Дисертації з теми "Sanitary stress"
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Quéméner, Audrey. "Étude des populations de cellules souches adultes dans le tissu adipeux et le muscle chez le porc en croissance en réponse à un facteur environnemental." Electronic Thesis or Diss., Rennes, Agrocampus Ouest, 2021. http://www.theses.fr/2021NSARI083.
Повний текст джерелаАнотація:
Les travaux menés au cours de ma thèse ont permis de mettre en évidence que l’inflammation modérée, induite par six semaines d’exposition à un stress sanitaire chez le porc en croissance, impacte différemment les caractéristiques moléculaires et cellulaires des tissus adipeux et musculaires. Ainsi, malgré l’absence de détection d’un état inflammatoire dans les tissus adipeux, nous avons démontré que le tissu adipeux périrénal (PRAT) était plus sensible au stress sanitaire que le tissu adipeux sous-cutané (TASC). En effet, la diminution du poids relatif du PRAT a été associée à une baisse d’expression des gènes impliqués dans la synthèse des acides gras chez les porcs logés dans de mauvaises conditions d’hygiène comparés aux porcs logés dans de bonnes conditions d’hygiène. Côté tissu musculaire squelettique, l’augmentation des cellules hématopoïétiques en réponse au stress sanitaire suggère la présence d’un état inflammatoire dans ce tissu. Avec la stratégie de phénotypage que nous avons choisie, nous avons montré que le muscle longissimus dorsi, comparé au TASC, abrite une plus grande diversité de populations de cellules souches adultes mésenchymateuses. Parmi elles, la quantité de PICs (CD45-CD56+CD34+CD140a+) putatives, est augmentée suite à une exposition à un stress sanitaire. La prolifération de cette population cellulaire contribuerait à la régénération musculaire, induite par l'état inflammatoire dû au stress sanitaire. Au final, la modulation des cellules souches adultes ouvre de nouvelles perspectives pour modifier la composition des tissus maigres et gras chez les animaux en croissanceThe work carried out during this PhD thesis made it possible to demonstrate that moderate inflammation, induced by a six-week exposure to sanitary stress in growing pigs, has a different impact on the molecular and cellular features of adipose and muscle tissues. Thus, despite the lack of detection of an inflammatory state in adipose tissue, we demonstrated that perirenal adipose tissue (PRAT) was more sensitive to sanitary stress than subcutaneous adipose tissue (SCAT). Indeed, the decrease in the relative weight of PRAT was associate with a decrease in the expression of genes involved in fatty acid synthesis in pigs housed in poor hygiene conditions compared with pigs housed in good hygiene conditions. With respect to skeletal muscle tissue, the increase in hematopoietic cells in response to sanitary stress suggests the presence of an inflammatory state in this tissue. With the phenotyping strategy we have chosen, we have shown that the longissimus dorsi muscle, compared to SCAT, exhibited a greater diversity of populations of adult mesenchymal stem cells. Among them, the quantity of putative PICs (CD45-CD56+CD34+CD140a+) was increased following an exposure to sanitary stress. The proliferation of this cell population could contribute to muscle regeneration, induced by the inflammatory state due to sanitary stress. In the end, the modulation of adult stem cells opens up new perspectives for modifying the composition of lean and fat tissues in growing animals
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Hunter, Colin. "The input of sanitary bacteria to an upland stream channel in the Yorkshire Dales." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329442.
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Danion, Morgane. "Impact de pollutions chimiques chroniques (hydrocarbures, pesticides) sur l'état sanitaire et le système immunitaire du poisson." Rennes 1, 2011. http://www.theses.fr/2011REN1S174.
Повний текст джерелаАнотація:
L'écotoxicité des hydrocarbures et des pesticides, a été recherchée chez le poisson adulte à des concentrations d'exposition in vivo correspondant à celles retrouvées chroniquement in situ. Le statut sanitaire et l'état de santé ont été évalués chez le bar commun, Dicentrarchus labrax exposés à un mélange d'hydrocarbures via la fraction soluble d'un pétrole brut et chez la truite arc‑en‑ciel, Oncorhynchus mykiss contaminée à une substance active de pesticide, la pendiméthaline. Les molécules polluantes ont été quantifiées à la fois dans l'eau d'exposition et les poissons (muscles et bile), confirmant l'efficacité des systèmes expérimentaux utilisés. L'exposition chronique à ces polluants dégrade l'état sanitaire du poisson, augmentant le risque potentiel pour la santé du consommateur. De plus, l'état de santé du poisson évalué via le suivi de plusieurs paramètres physiologiques, biochimiques et immunologiques est perturbé. En effet, une leucopénie expliquée par une lymphopénie, ainsi qu'une diminution de l'activité phagocytaire sont systématiquement observées chez les poissons exposés aux xénobiotiques, affectant l'immunité adaptative et innée. Lors d'une épreuve infectieuse au virus de la septicémie hémorragique virale, la pendiméthaline entraîne une mortalité plus précoce des individus et un nombre de poissons séropositifs supérieur. Enfin, les impacts observés à des concentrations d'exposition inférieures aux concentrations sans effet prévisible (PNEC) estimées actuellement, soulignent l'intérêt de prendre en compte l'état sanitaire et les composants du système immunitaire des organismes aquatiques dans l'établissement de seuils de qualité environnementaleThe ecotoxicity of hydrocarbons and pesticides, was investigated in adult fish at in vivo exposure concentrations similar to those found chronically in the natural environment. The sanitary status, i. E. The health status of fish, with regard to chemical pollution and physiological status, was evaluated in sea bass, Dicentrarchus labrax exposed to a mixture of hydrocarbons using the water soluble fraction of crude oil and in rainbow trout, Oncorhynchus mykiss, contaminated by an active substance present in pesticide, pendimethalin. The pollutant molecules were quantified both in the exposure water and the fish (muscle and bile), confirming the efficiency of the experimental systems used. Chronic exposure to these pollutants deteriorates sanitary status in fish, increasing the potential risk for the health of human consumers. In addition, the health of fish assessed by monitoring several physiological, biochemical and immunological parameters was shown to be disturbed. Indeed, leucopenia due to lymphopenia and a decrease in phagocytic activity were observed in fish whatever the experimental exposure conditions, affecting innate and adaptive immunity. Following the infectious challenge with the viral hemorrhagic septicemia virus, pendimethalin seemed to accelerate fish mortality and a high number of seropositive fish was recorded compared to the group of control fish. Finally, these effects were observed at exposure levels below the currently estimated predicted no-effect concentrations (PNEC), highlighting the importance of taking into account sanitary status and the components of the immune system in aquatic organisms when establishing environmental quality thresholds
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Borsetti, Simone. "Dallo stress lavoro correlato al burnout negli operatori sanitari: studio pilota per la valutazione di un protocollo di ricerca." Doctoral thesis, Università Politecnica delle Marche, 2015. http://hdl.handle.net/11566/243055.
Повний текст джерелаАнотація:
DALLO STRESS LAVORO CORRELATO AL BURNOUT NEGLI OPERATORI SANITARI: STUDIO PILOTA PER LA VALUTAZIONE DI UN PROTOCOLLO DI RICERCA
Dr. Simone Borsetti*
* Psicologo – Psicoterapeuta, Clinica di Medicina del Lavoro, Dipartimento di Scienze Cliniche e Molecolari, Università Politecnica delle Marche, Italia
PAROLE CHIAVE: Stress lavoro-correlato; burnout; caratteristiche di personalità; operatori sanitari
RIASSUNTO
“Dallo stress lavoro correlato al burnout negli operatori sanitari: studio pilota per la valutazione di un protocollo di ricerca”. Introduzione: Numerosi sono gli studi sullo stress e sul burnout ed altrettanto diffuse sono ormai le ricerche sullo stress lavoro correlato in vari ambiti occupazionali. Anche le ricerche più accreditate non permettono però di valutare quanto la personalità influisca positivamente o negativamente nella percezione dello stress, collegando i tratti personologici agli effetti dell’esposizione allo stress. Né spesso si è preso in adeguata considerazione il fattore extra-lavorativo che può affiancarsi ai fattori di stress occupazionali, diventando un moltiplicatore od, al contrario, un fattore di protezione. Gli studi finora effettuati si sono limitati a valutare segmenti separati del fenomeno (lo stress lavoro- correlato, il burnout di certi operatori ecc.) che è invece multidimensionale ed ciascun elemento è strettamente collegato all’altro in un equilibrio dinamico.
Manca in letteratura una ricerca che si estenda contemporaneamente in più direzioni e che permetta di esaminare le possibili correlazioni di fattori lavorativi, extra-lavorativi, ambientali, relazionali e psicologici.
Obiettivi e Metodi: In assenza di lavori che permettano di effettuare un’adeguata sintesi ed analisi delle correlazioni dei fattori succitati, l’obiettivo di questo studio pilota è di valutare quantomeno l’efficacia di una metodologia e l’adeguatezza degli strumenti di rilevazione per raggiungere tale obiettivo.
Risultati: Dare un contributo alla soluzione di alcuni interrogativi che ruotano intorno allo stress lavoro-correlato, quali il peso e l’interazione dei diversi fattori nel determinismo del disagio dell’operatore fino alla comparsa di quadri clinici o di burnout.
Conclusioni: Dallo studio emerge la molteplicità dei fattori implicati nello stress lavoro-correlato e nel fenomeno del burnout e l’utilità di uno strumento d’indagine multidimensionale per la loro diagnosi e per la successiva programmazione d’interventi di gestione dei disagi dei lavoratori.From work-repeated stress to burnout in health operators: a pilot study evaluating a research protocol Dr. Simone Borsetti* * Psychologist-Psychotherapist, Clinic of Occupational Medicine, Department of Molecular and Clinical Sciences, Polytechnic University of Marche, Italy KEYWORDS: Work-related stress; burnout; personality characteristics; health operators Background: There are numerous studies on stress, burnout, and on the link of stress with a variety of job sectors. However, existing work does not explore how strongly personality may positively or negatively affect the perception of stress, linking personological traits to the effect of exposure to stress. Likewise, factors outside the work sphere, that may combine with work-related factors to either increase or decrease stress, have not been adequately taken into account. Research to date has been limited to the independent analysis of individual aspects (e.g. work-related stress, the burnout of certain operators, etc.) of a phenomenon which is, instead, multidimensional with components tightly coupled in a dynamical equilibrium. In particular, no study has yet looked at multiple factors simultaneously examining the possible correlations between work-related, work-exogenous, environmental, relational, and psychological factors. Objectives and Methods: Given the lack of research investigating and analysing the correlation between the aforementioned factors, the objective of this pilot study is to propose and evaluate the effectiveness of a methodology and corresponding detection tools to do so. Results: Answers to certain questions about work-related stress, such as the importance and interaction of different factors in causing the discomfort of operators up to the appearance of clinical disorders or burnout. Conclusions: This study reveals the diversity of factors involved in work-related stress and burnout and demonstrates the usefulness of a tool for multidimensional investigation in their diagnosis and in the subsequent planning for the management of problems faced by workers.
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Ho, Yuh-Shan. "Absorption of heavy metals from waste streams by peat." Thesis, University of Birmingham, 1995. http://etheses.bham.ac.uk//id/eprint/8742/.
Повний текст джерелаАнотація:
Adsorption of heavy metal ions (e.g. copper, nickel and lead) onto sphagnum moss peat was investigated. The influence of pH, concentration, temperature, nature of solute, number of solutes simultaneously present, peat dose and reaction time on batch adsorption equilibria and kinetics tests were examined. Batch adsorption of copper and nickel onto peat was pH dependent, the optimum range being 4.0 to 5.0 for copper and 4.0 to 7.0 for nickel. Langmuir and Freundlich isotherms showed a single relationship between initial metal concentration, metal removal, and initial pH. The latter was found to control efficiency of metal removal. The use of peat in removal of lead from aqueous solution was studied in batch experiments. Investigations included the effect of pH and temperature of adsorption. The adsorption equilibria data followed Langmuir and Freundlich models. Efficiency of lead removal depended very little on the reaction temperatures (12 to 37°C) and initial pH values (4.0 to 6.0). The results suggested that the adsorption process is endothermic for lead-peat adsorption. Kinetic data suggested involvement of a chemical rate-limiting step, and a predictive relationship was derived relating metal removal to peat dose. In comparison with other metals, nickel removal is poor, and possible reasons are discussed. Kinetic results also indicated that pore diffusion is not the only rate determining step in peat metal adsorption. A rate equation is described for the study of the kinetics of adsorption of aqueous divalent metal ions onto sphagnum moss peat for a range of conditions. An empirical model was devised for predicting percentage metal ion adsorbed. The model showed a high coefficient of correlation, indicating its reasonableness. The last section describes the results of an examination into the simultaneous adsorption by peat of several metals. Initially copper and nickel from both single- and bi-solute systems were tested. In general, pore diffusion appeared to be the rate-controlling step. The effects of competitive adsorption in batch systems for copper and nickel system was also studied in various ratios of metal concentration. A mathematical model was used successfully and shown to be predictive for various ratio of metal ions concentration in competitive adsorption. The dose effect on the uptake of metals on moss peat was also studied for bi-solute adsorption systems. The best interpretation which could be placed on the data was that the behaviour of nickel was unusual. The results also showed that the kinetics of adsorption were best described by a second-order expression rather than a first-order model. For metal ions which are of different size but are divalent metal ions, we used lead(II) and copper(II) as well as lead(II) and nickel(II) systems. The effects of competitive adsorption in batch systems indicated that copper had a greater effect on lead adsorption than did nickel. However, lead had a greater effect on nickel than copper. A copper, lead and nickel triple-solute system was also tested. The adsorption of any single metal such as copper, lead and nickel was hindered by the presence of the other metals. The competitive effect appears to have affected the three ions in the order nickel > lead > copper with nickel affected most; the adsorption capacity for each solute from the mixed solution was 15.9, 57.4 and 71.5% of that of a single-solute system for copper, lead and nickel, respectively. The kinetic results showed that the heavy metals are adsorbed fairly rapidly, and that there is a relatively good fit between experimental data and the second order model for copper, lead and nickel.
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Cabral, Mathilde. "Étude pilote de l'impact sanitaire des émissions de la décharge de Mbeubeuss (Dakar, Sénégal) sur la population riveraine." Thesis, Littoral, 2012. http://www.theses.fr/2012DUNK0520.
Повний текст джерелаАнотація:
Cette enquête épidémiologique porte sur l'impact sanitaire de la décharge de Mbeubeuss, réceptacle de l'ensemble des déchets ménagers et industriels de Dakar (Sénégal), sur la population résidant à proximité. Les déchets, stockés sans être recouverts, sont source de pollution atmosphérique et des sols, notamment par le plomb et le cadmium. Les répercussions sanitaires sont d'autant plus préoccupantes que de nombreux riverains de cette décharge sont directement ou indirectement exposés. L'objectif de cette étude était de déterminer, après caractérisation chimique des échantillons de sol et de particules atmosphériques, l'imprégnation de la population (enfants et adultes) à ces deux métaux et de rechercher leur éventuel impact sur la fonction rénale. Nos résultats ont mis en évidence des teneurs atmosphériques et telluriques en plomb et en cadmium plus élevées sur le site de la décharge (teneurs 20 à 80 fois plus élevées que celles de la zone témoin). L'imprégnation saturnine, déterminée au travers des plombémies, plomburies et des marqueurs biologiques d'effet (PPZ, AlaU), de même que les teneurs sanguines et urinaires en cadmium étaient significativement plus importantes chez les individus résidant au voisinage de la décharge. La production excessive d'espèces réactives de l'oxygène induite par cette imprégnation s'est traduit par une diminution du système de défenses antioxydantes (SOD, GPx, Sélénium, GSH) et une peroxydation lipidique (MDA) accrue chez les sujets exposés. En outre, les variations de certains des marqueurs sensibles et spécifiques de néphrotoxicité (concentrations urinaires élevées en protéines totales, en RBP et en CC16 ; et augmentation des activités GSTα et LDH) suggèrent l'apparition de signes discrets et précoces d'altération de la fonction rénale chez les individus résidant à proximité de la décharge. L'exposition aux émissions de la décharge de Mbeubeuss constitue donc une véritable source de risques pour l'environnement et la santé des populations environnantes. Cette étude pourrait sans doute contribuer à conscientiser les acteurs de la santé sur les risques liés à cette décharge et à placer ces problèmes environnementaux, qui constituent un nouveau défi pour les pays pauvres, au cœur des futurs programmes de développementThis case-control study dealt with adverse health effects on the population living near Mbeubeuss landfill in Dakar (Senegal). All household and industrial waste arising from Dakar are stored in this open landfill without being covered and are therefore possible sources of air pollution and soil contamination by heavy metals, especially Pb and Cd. Health impacts are of particular concern since many of the neighboring residents of this discharge are directly or indirectly exposed. The objective of this study was to determine Pb and Cd concentrations in both environment and humans, and to evaluate possible renal function alteration within the adult and child populations. Our results showed that lead and cadmium concentrations of soils and atmosphere were higher in the landfill (20 to 80 times) than those of the control area. The lead impregnation, evaluated through the blood and urine lead levals, and the biomarkers of exposure (PPZ, ALAU) as well as blood and urine cadmiums levels, were significantly higher in the subjects neighboring the landfill. Excessive production of reactive oxygen species induced by the metal impregnation conducted in exposed subjects to a decrease in antioxidant defense system (SOD, GPx, Selenium, GSH) and an increase in lipid peroxidation (MDA). Moreover, changes in several sensitive and specific markers of nephrotoxicity (high urinary concentrations of total protein, RBP and CC16, as well as GSTα and increased activities) suggested the occurence of discrete and early signs of impaired renal function for the landfill neighboring population. Exposure to emissions from the Mbeubeuss landfill is therefore a source of risk for the environment and the health of people who live and/or work within it. This study could undoubtedly help to raise awareness of landfill-related health risks amoung stakeholders, and to place these environmental problems, wich constitute a new challenge for poor countries, at the heart of future development programs
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Woodhead, Loo Wing-ping Marina. "Environmental health policy implementation in Hong Kong : a study of cleansing services in the Urban Services Department /." [Hong Kong : University of Hong Kong], 1986. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12323391.
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Ferrentino, Roberta. "Anaerobic side-stream reactor: a sustainable solution for sewage sludge reduction." Doctoral thesis, Università degli studi di Trento, 2016. https://hdl.handle.net/11572/367687.
Повний текст джерелаАнотація:
Over the last two decades, the production of excess sludge has increased rapidly due to a more
stringent legislation on effluent quality and a growing number of new plants, becoming an
economic and an environmental critical issue. Processing excess sludge could account for half up
to 65% of the total operation costs of a wastewater treatment plant. Technologies to reduce the
excess sludge had been widely studied. Several studies reported that the technologies integrated in
the wastewater handling units should be cost effective and preferable rather than the techniques
integrated in the sludge handling units, as they allow to reduce the sludge production rather than
treat it. Thus, the development and the optimization of a technology able to reduce the sludge
production in the water line is now challenging. A lot of technique have been developed such as
biological, thermal, high temperature oxidation, mechanical treatments, ultrasonication, ozonation
or by using chemical compounds. Some of these have been proven not energy saving, while others
can negatively affect the effluent quality of the process due to the formation of by-products.
Among others, biological treatments are a challenging strategy for sludge reduction. In recent
years, several studies showed that including an anaerobic bioreactor in the returned activated
sludge line of a conventional activated process could significantly enhance the sludge reduction
without causing negative effects on operational performances. Today, this configuration is known
as anaerobic side-stream reactor (ASSR) process. Several laboratory applications highlighted that
the sludge yield of the ASSR process could be reduced up to 60% compared to a conventional
activated process. Despite the highest percentage of sludge reduction achieved, the process is still
little applied to real scale because its main operating parameters and sludge reduction mechanisms
are still unclear.
This study focused on the verification of ASSR process, the mechanisms of sludge reduction
and the microbial structure of the process. During the first part of the research, a laboratory
experimental system was designed and implemented. A sequencing batch reactor (SBR), to
simulate the water line of a real wastewater treatment plant, and an ASSR as a sludge treatment
unit composed the system. Unlike most of the previous studies, the system was fed with real urban
wastewater in order to obtain results that reflect as much as possible what can really happen to a
municipal WWTP. Through a critical analysis of the literature, the influence of two important
operating parameters, such as the solid retention time (SRT) of the ASSR and the interchange rate
(IR), which means the percentage of biomass cycled into the ASSR, had been uncovered
Given this, the experimental system was started up and reached a stable condition after 60 days.
The research was developed in three different phases that lasted for about 90 days each. The
experimental lab system was tested under three configurations: i) 10% sludge interchange rate and
SRT in the ASSR of 10 days; ii) 20% sludge interchange rate and SRT in the ASSR of 5 days and
iii) 40% sludge interchange rate and SRT in the ASSR of 2.5 days. The observed sludge yield
(Yobs) of each phase was evaluated and was equal 0.21 g TSS/g COD, 0.14 g TSS/g COD and
0.12 g TSS/g COD in Phase I, II and III, respectively. These results confirmed that the process
could significantly decrease the sludge production and a reduction up to 62% could be achieved.
To explain the results obtained in terms of sludge reduction, different tests and analysis were
performed. The release of soluble COD and ammonia in the ASSR have highlighted that the
endogenous decay and cell lysis mechanism occur in the ASSR. Extraction of EPS, with CER and
BASE methods, showed a release of protein and polysaccharides in the bulk solution that
increased passing between Phase I and III. At the end of each experimental phase, batch tests were
carried out to evaluate the activity of phosphorus accumulating organisms (PAO) and denitrifying
phosphorus accumulating organisms (DPAO).
Recirculation in SBR-ASSR selects DPAO microorganisms. This was a result of great interest
because DPAO could enhance the biological nutrient removal since nitrogen and phosphorus can
be simultaneously removed. Furthermore, DPAO has lower cell yield than PAO resulting in lower
sludge production. Results showed an activity of PAO, DPAO and other slow growers such as
sulfate reducing bacteria. All these results suggested that the high percentage of sludge reduction
could be explained as a combination of aspects, such as the cell lysis, the cryptic growth, the
selection of slowing microorganisms and EPS destructuration. The SRT and the IR could be
considered as main parameters and their variation could significantly affect the performance of the
process. Microbial analyses were carried out to investigate the bacterial and archaeal structure of
the ASSR sludge during each phase.The results confirmed the presence of several bacteria that
are typically heterotrophic responsible of hydrolysis and fermentative process of organic matter.
Several slow growers bacteria were also detected. Moreover, according to the batch tests on PAO
and DPAO activity, a relevant increase in Phase III of some genera able to enhance the biological
phosphorous removal has been observed.
In summary, the research found that the ASSR process is a sustainable solution for the sewage
sludge reduction due to an efficient and a low sludge production, able to ensure both carbon,
nutrients and phosphorous removal applying an extremely simple technology, easy to realize both
in new and in existing wastewater treatment plants.
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ELOH, KODJO. "Exploration of New Oxidative Stress Nematicidal Compounds and Valorization of Satureja montana L. Essential Oils and Hydrolates as Plant Biopesticides." Doctoral thesis, Università degli Studi di Cagliari, 2019. http://hdl.handle.net/11584/260403.
Повний текст джерелаАнотація:
Plant diseases cause economic challenges because they are responsible for estimated pre- and
postharvest losses of 16–28% of crops yearly. Control is aimed at the use of chemical
protectants, which reduce or retard the growth of the pathogen population. Another option is
the use of resistant varieties, which reduce the pest population or increase recovery from injury
caused by the enemies. However, resistant varieties become susceptible after few years of
cultivation due to pathogen adaptation and evolution to cultivated varieties.
Research of new environmentally benign products active against pests and diseases are
required that control target organisms without harming the environment. In this thesis, I
evaluated for the first time the nematicidal activity of new synthesized maleimide derivatives
by structure-activity relationship (SAR), some selected haloacetophenones and transition metal
ions. I also developed a new method to assess the metabolome alteration induced by these
products on nematodes. Finally, I valorized a carvacrol chemotype domesticated plant of S.
montana by evaluating its activity on insects, Spodoptera littoralis, Myzus persicae and
Rhopalosiphum padi; and on the root-knot nematode Meloidogyne javanica.
The maleimide derivatives were easily synthesized in a one pot reaction; haloacetophenones
were commercially available and metal ions present as sulphate or nitrate salts. The tested
compounds showed strong nematicidal activity against Meloidogyne incognita, X. index and
G. pallida with EC50 values lower than 5 mg/L. I also found a synergism action between
maleimide and copper ion on one hand and between copper ions and tannins on the other hand.
A GC-MS metabolomics analysis showed that these compounds might induce oxidative stress
in nematodes by modifying the levels of fatty acids and acylglycerols. After a field experiment
and phytotoxicity assays, these first reported nematicidal compounds could be used in crop protection against nematodes.
S. montana essential oil (EO) chemical composition was influenced by the fertilizers applied
and the EO extraction method. Hence, the conventional agriculture plants showed a lower level
of p-cymene with a higher level of carvacrol while more than 20 compounds showed
significantly difference levels according to the method of extraction, laboratory or semiindustrial. The EOs and the organic phase of hydrolates with LC50 values of 20-65 µg/cm2
modified the feeding behavior of Spodoptera. littoralis. S. montana EOs repel Rhopalosiphon.
padi and Myzus. persicae with settlement inhibition LC50 values estimated at 25-60 µg/cm2.
The plant also inhibited the germination and growth of Lolium perenne at 10 mg/mL.
Furthermore, ethanol extracts of S. montana did not show any activity on the pests. However,
we successfully valorized the EO by product hydrolates on the insects and nematode.
10
Grandi, Stefano <1966>. "Salute e sicurezza sul lavoro: significati e problemi della valutazione dei rischi da stress lavoro-correlato nelle aziende sanitarie." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3469/1/grandi_stefano_tesi.pdf.
Повний текст джерелаАнотація:
Work environment changes bring new risks, in particular an increase in certain diseases and illnesses caused by stress. The European Agreement of October 2004 defines stress as “a state accompanied by physical, psychological or social dysfunctions, due to the fact that people do not feel able to overcome the gap in relation to requests or expectations for them”. A new strategy aims to reduce accidents and occupational illnesses through a series of actions at European level. The approaches to prevent work related stress must specifically aim to face up organizational and social aspects, to provide training to managers and employees on management of stress, to reduce the impact and to develop suitable systems for rehabilitation and return to work for those who suffered health problems.
The enterprises will have to carry out the obligations laid down by legislation, adopting detection systems customised on their size and on their specific interests.
Currently manifold tools and methodologies are proposed from different subjects as employer associations, advisors for safety, psychologists etc., but none of these has been identified as a model to follow.
After the reconstruction of the theoretical framework where the theme is placed in, the thesis, through a background analysis done by collecting the comments of experts who are involved in the management of occupational safety and the examination of a concrete assessment of work-related stress risk, carried out at a local health authority of Emilia-Romagna region, aims to highlight the main sociological implications related to the emergence of these new risks.
Книги з теми "Sanitary stress"
1
Servain, ed. Sanitas. [Paris]: Delcourt, 1993.
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2
Alcorn, Randy C. Women under stress: Preserving your sanity. Portland, Or: Multnomah Press, 1986.
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3
Krame, Kailen. Put it in perspective: A teen's guide to sanity. Bloomington, IN: AuthorHouse, 2014.
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4
Augustine, Sue. Sanity secrets for stressed-out women. Eugene, Or: Harvest House Publishers, 2009.
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5
Farmer, James J. Hydrogeology, water quality, and ecology of Anderton Branch near the Quail Hollow Landfill, Bedford County, Tennessee, 1995-99. Reston, Va: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.
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6
Gabassi, Pier Giorgio. Burnout, 1974-1994: Venti anni di ricerche sullo stress degli operatori socio-sanitari. [Trieste]: Università degli studi di Trieste, Dipartimento di psicologia, 1995.
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7
Crum, Kel M. Sanity impaired kat. Columbus, OH: K.M. Crum, 1993.
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8
Burnout: What happens when stress gets out of control and how to regain your sanity. London: Thorsons, 1993.
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9
illustrator, Jones Christopher 1969, Kane Bob creator, and DC Comics Inc, eds. Sanity plea! North Mankato, MN: Stone Arch Books, a Capstone imprint, 2015.
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10
Bryn, Houghton, and Kelso Megan 1968-, eds. Lost valley: A trashy story of excess. Seattle, WA: Laughing Crow Productions, 1999.
Знайти повний текст джерелаЧастини книг з теми "Sanitary stress"
1
Lammer, Herfried, Tamara König, Giacomo Bonaiti, and Roberto Onori. "Use Case 1: Mechanical Recycling of Short Fibers." In Systemic Circular Economy Solutions for Fiber Reinforced Composites, 303–22. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-22352-5_15.
Повний текст джерелаАнотація:
AbstractThe main objective of Use Case 1 is the development of industrial demonstrators of new products incorporating mechanically recycled glass fiber composites. These demonstrators will determinate the technical feasibility and cost effectiveness for glass and carbon fibers recycling solutions. The demonstrators include structural parts like a ski by HEAD Sport and sanitary products like shower trays by Novellini where the recycling fibers are used for existing products. A series of design concepts have been developed supported by a design briefing and a co-design methodology for street furniture and similar products, where the recycled materials are already considered from the start of the design of the product.
2
Kültz, Dietmar. "Infectious diseases." In A Primer of Ecological Aquaculture, 252–76. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198850229.003.0018.
Повний текст джерелаАнотація:
Abstract Infectious diseases are responsible for the loss of almost half of all aquaculture production. Their incidence can be minimized by strict biosecurity in closed recirculating aquaculture systems (RAS). Infections are caused by pathogens transmitted by physical contact or biological vectors, either horizontally (within the same generation) or vertically (from parents to offspring). Many infectious pathogens are present in the environment, but healthy aquatic animals suppress them by employing pathogen defence mechanisms such as physical barriers and immunity. Immunity is compromised by stresses encountered in aquaculture. Adaptive immunity is based on cellular memory and limited to vertebrates (aquaculture fishes) while innate immunity and physical defences are also utilized by invertebrates. Four types of pathogens cause significant infectious diseases of aquaculture organisms: viruses, bacteria, fungi, and parasites. Diagnosis of viroses, bacterioses, mycoses, and parasitoses uses PCR, cytopathic effects in host cell lines, growth on selective media, microscopy in combination with specific stains, and visual inspection of hosts (e.g. to observe ectopic macroparasites). Treatment includes antibiotics, medicated feeds, chemotherapeutic, saline, or oxidative baths, and co-culture with cleaner fish. Prophylaxis is the best and sometimes the only (e.g. viroses) approach for minimizing disease problems in aquaculture. It is based on implementing biosecurity, sanitary management, quarantine, water sterilization, disinfection, stress reduction, regular monitoring, domestication of disease-resistant strains of aquaculture organisms, and utilization of specific pathogen-free (SPF) stocks of aquaculture organisms.
3
Levy, Daniel S. "Corporation Pudding and Death." In Manhattan Phoenix, 205–17. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780195382372.003.0014.
Повний текст джерелаАнотація:
This chapter looks at the growing problem of pollution on Manhattan Island. Since its founding, the city lacked proper sanitation. Garbage piles along the streets—which the public nicknamed “Corporation Pudding”—were supposed to be cleared up by the Department of Street Cleaning. However, the contractors rarely did their job. Because of the clutter, New York's streets proved hard to navigate. Adding to the nastiness was the mass of pigs, cattle and horses—which meant mounds of manure—along with all the rats scurrying around. Not surprisingly, sanitary conditions were thus the main cause of the diseases that permeated all levels of 19th-century New York society. With limited understanding of medicine or a sense of how to combat disease, Yellow Fever and cholera wreaked havoc on the city.
4
Smallman-Raynor, Matthew, and Andrew Cliff. "Europe: Camp Epidemics." In War Epidemics. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780198233640.003.0019.
Повний текст джерелаАнотація:
One recurring theme of the previous chapter was the role of military assembly and training camps as sites for explosive outbreaks of infectious diseases during periods of wartime mobilization. Historically, however, the general problem of camp epidemics has extended beyond the initial massing of unseasoned recruits in barrack and tent camps on home soil to include the field camps, siege camps, and bivouacs of deployed armies, as well as temporary and makeshift military settlements such as prisoner of war (POW) and concentration camps. In this chapter, we examine the broader issue of camp epidemics (Theme 2 in Table III.A) with reference to sample wars in the European theatre. The social, physical, and environmental conditions that fuelled the spread of diseases in the military encampments of past wars, and which remain a potent threat in modern conflicts, are well known (Prinzing, 1916; Major, 1940; Bayne-Jones, 1968; Cantlie, 1974; Shepherd, 1991). As illustrated in Chapter 7 by the mobilization camps of the United States, military encampments of all kinds—often hastily erected and densely populated—provide a setting for intense population mixing, thereby increasing the likelihood of the transmission of infectious diseases. The epidemiological hazard is exacerbated by the injudicious selection of campsites and by the deleterious consequences of overcrowding, inadequate or non-existent drainage and sewerage systems, poor or contaminated water supplies, and by the failure to institute or to maintain rigid sanitary precautions. As for the occupants, they may be drawn from a variety of epidemiological backgrounds, they may possess different patterns of disease immunity, and their resistance to infection may be compromised by fatigue, trauma, mental and physical stress, exposure to the elements, and poor or inadequate diets. That there is often a high degree of spatial mobility between the constituent units of a camp system adds a powerful geographical component to the spread of camp epidemics. Against this background, the case studies presented in this chapter have been selected to illustrate different aspects of the geographical spread of camp epidemics.
5
"Sanity Must Be Achieved." In Winning the Mental Game on Wall Street, 137–39. CRC Press, 2000. http://dx.doi.org/10.1201/9781420033090.ch30.
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Kompanets, Eduard, and Viktoria Lavrynenko. "ECOSYSTEM CONNECTIONS AND FISH HEALTH." In Priority areas for development of scientific research: domestic and foreign experience. Publishing House “Baltija Publishing”, 2021. http://dx.doi.org/10.30525/978-9934-26-049-0-40.
Повний текст джерелаАнотація:
Ecosystems are subject to many human influences. The balance between species is disturbed due to interference with the aquatic environment. Due to environmental pollution, its impact on fish and other aquatic organisms changes. This affects ecosystem connections. Changes in the environment also change the adaptive capacity of fish, leading to impaired health. Also, there is a need to study the protective capabilities of fish from the naturally occurring opportunistic species Aeromonas hydrophila, which causes infections in them. In natural hydrobiocenoses, fish, as well as pathogens of its diseases (aeromonads) are components of food chains formed by evolution. Literature sources prove that aeromonads are normally present in microbial associations of benthic microflora as a normal saprophytic component of hydroecosystems. These bacteria feed on organic residues that are concentrated at the bottom of water bodies and perform a sanitary function, like other similar types of microorganisms. The health of fish depends on their ability to adapt to the environment. Usually in the wild, fish are rarely susceptible to disease. Local populations for a long time of coexistence have formed a certain balance with other species, including parasitic. The balance is reflected by a certain rate of abundance between species. Imbalance due to fishing from the reservoir, or, conversely, with an artificial increase in numbers, leads to changes in the aquatic environment. Changes in the habitat of fish affect themselves. Fish health is changing. In nature, such a disease as aeromonosis is an ecological concept. Violation of the ecological conditions of the species leads to stress, and reduced immunity in fish, leads to fish disease. In aeromonad infections with weak symptoms in carp, a decrease in biological parameters was observed: growth, body weight, fatness and survival (57.1%). The number of blood cells in diseased fish decreased, especially leukocytes and lymphocytes. The percentage of T- and B-lymphocytes in the blood of carp-infected carp increased. The introduction of the bacterium stimulated the immune response – an increase in the percentage of T-lymphocytes. The percentage of B cells did not increase significantly. In diseased fish, the percentage and number of low-activity T-lymphocytes increased, which corresponded to the presence of an immune response to the bacterium. The values of antibacterial activity of blood serum (BASC) in both groups of fish did not change.
7
Hughes, Jeffrey W. "You Are Your Most Valuable Resource." In An Environmental Leader's Tool Kit, 163–74. Cornell University Press, 2023. http://dx.doi.org/10.7591/cornell/9781501768606.003.0010.
Повний текст джерелаАнотація:
This chapter discusses how to view oneself as the most valuable resource in an effort to avoid burnout. It offers strategies to protect oneself from frustration, discouragement, stress, and burnout. One person can make a difference if they have commitment, focus, and practical know-how to keep out of trouble. The chapter suggests judging performances should be on the same criteria as oneself and other people. However, reducing tasks and situations will make a person less miserable. The chapter then explains that volunteers, who are the backbone of many environmental campaigns, can help relieve stress and keep sanity from all the work.
8
Lima, Aldo A. M., and Richard L. Guerrant. "Cholera." In Oxford Textbook of Medicine, 754–59. Oxford University Press, 2010. http://dx.doi.org/10.1093/med/9780199204854.003.070611_update_001.
Повний текст джерелаАнотація:
Vibrio cholerae is a Gram-negative organism that can be subdivided into over 200 serogroups based on the somatic O antigen, with only serogroups O1 and O139 causing epidemic and pandemic disease. Historically it has killed millions from dehydrating diarrhoea, encouraged the birth of modern epidemiology, the sanitary revolution, and oral rehydration therapy; it persists today as a glaring reminder of poverty and inadequate water/sanitation. Contaminated food (especially undercooked seafood) is the usual route of transmission in developed countries; contaminated water and street food vendors are more common vehicles in less developed countries....
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Cema, Grzegorz, and Adam Sochacki. "Treatment of Landfill Leachate by Anammox Process." In Technologies for the Treatment and Recovery of Nutrients from Industrial Wastewater, 290–311. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1037-6.ch011.
Повний текст джерелаАнотація:
In most cases, the anammox process is used for nitrogen removal from reject water coming from dewatering of digested sludge. However, there are more industrial streams suitable for treatment by partial nitritation/anammox process. The landfill leachate may be a good example of such wastewater. Generally, landfilling is the most used solution for treatment of urban solid wastes. The problem with landfill leachate production and management is one of the most important issues associated with the sanitary landfills. These streams are highly contaminated wastewater with a complex mixture of organic and inorganic compounds and characterized by a high ammonia content and low biodegradable organic fraction matter. The objective of this chapter is the short characteristic of landfill leachate and a short review of its treatment methods with special focus on nitrogen removal by partial nitritation/anammox process.
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Cema, Grzegorz, and Adam Sochacki. "Treatment of Landfill Leachate by Anammox Process." In Waste Management, 1169–91. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1210-4.ch053.
Повний текст джерелаАнотація:
In most cases, the anammox process is used for nitrogen removal from reject water coming from dewatering of digested sludge. However, there are more industrial streams suitable for treatment by partial nitritation/anammox process. The landfill leachate may be a good example of such wastewater. Generally, landfilling is the most used solution for treatment of urban solid wastes. The problem with landfill leachate production and management is one of the most important issues associated with the sanitary landfills. These streams are highly contaminated wastewater with a complex mixture of organic and inorganic compounds and characterized by a high ammonia content and low biodegradable organic fraction matter. The objective of this chapter is the short characteristic of landfill leachate and a short review of its treatment methods with special focus on nitrogen removal by partial nitritation/anammox process.
Тези доповідей конференцій з теми "Sanitary stress"
1
Lewis, Richard O. "The Use and Misuse of 300 Series Austenitic Stainless Steels in the Citrus Industry." In ASME 2007 Citrus Engineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/cec2007-5306.
Повний текст джерелаАнотація:
The 300 series austenitic stainless steels have been used extensively and successfully in the Citrus Industry for numerous applications. Material cost and corrosion resistance to both citrus products and cleaning solutions for maintaining sanitary conditions has made type 304 and type 316 stainless steels the material of choice for process equipment, tanks, and piping systems. However, corrosion failures have occurred and many have been the subject of forensic investigations to determine the cause and provide recommendations to avoid future, similar problems. Historically, the primary modes of corrosion failure of T304SS and T316SS have been experienced not only in the Citrus Industry but also in the chemical and petrochemical industries. These modes of corrosion include localized corrosion in the form of pitting and crevice corrosion, and stress corrosion cracking. Successful long-term performance is best obtained when (1) the correct alloy is selected for the application; (2) piping and equipment are carefully fabricated and passivated prior to being placed in service; and (3) the process system design and operation minimizes stagnation and solids deposition, especially at elevated temperature. A table listing the composition of the most commonly available and specified 300 series austenitic stainless steels is shown in Table 1. Paper published with permission.
2
Barros, Marcos André Fernandes, and Jussara Socorro Cury Maciel. "Treatment of sanitary sewage in a flooded area in the Mauixi river - São Gabriel da Cachoeira city in Amazonas." In ENSUS2023 - XI Encontro de Sustentabilidade em Projeto. Grupo de Pesquisa Virtuhab/UFSC, 2023. http://dx.doi.org/10.29183/2596-237x.ensus2023.v11.n2.p207-218.
Повний текст джерелаАнотація:
The treatment of sewage is essential to ensure the health and quality of life of the population. When sewage is not treated, we have the contamination of rivers, streams and groundwater, harming the local fauna and flora and putting the health of people who consume this water at risk. This basic service, guaranteed by the Federal Constitution, is a distant reality in small towns in Brazil. In the city of São Gabriel da Cachoeira, northwest of the State of Amazonas, due to the scarcity of financial resources for an adequate infrastructure, the waste and sewage effluents produced by the residents on the banks of the Mauixi stream are dumped directly into the water glass without the proper treatment.
3
Swan, Mark, and Rick Ranalli. "Corrosion Control Strategies to Protect Linear Assets: Dundas Street Sanitary Sewer and Forcemain Project, Oakville in the Region of Halton, Ontario, Canada." In Pipelines 2014. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413692.018.
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4
KAVALIAUSKAS, Marius, Edgaras LINKEVIČIUS, Donatas JONIKAVIČIUS, and Kornelija KOKANKAITĖ. "PUBLIC OPINION ANALYSIS ON STATE FOREST MANAGEMENT: STUDY AREA IN KAIŠIADORYS MUNICIPALITY." In Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.043.
Повний текст джерелаАнотація:
The relation between public and forest changes during the time. Public opinion and interests has considerable influence on decision making regarding forestry. Half of Lithuania’s forests (circa 1.1 mill. ha) has state forest status and are managed by state forest enterprises (SFEs) under confidence rights. One of the most important strategic aims for SFEs is to meet public needs. Yet, public opinion and forestry facts mismatches. Therefore, this study aims to analyse prevailing opinion on forestry practices in state forests managed by Kaišiadorių SFE that are located in Kaišiadoriai municipality. The sociological survey methodology was applied that was conducted involving respondents representing inhabitants over 18th years old. Data was analysed by conducting frequency analysis. Results showed incorrect public opinion concerning with increase of forest coverage, sustainable cutting intensity and increasing environmental consideration. According to opinion of the respondents, the quality of the forests, afforestation and forest sanitary was well improved by Kaišiadorių SFE. It was determined the demand to develop more recreation infrastructure objects in Kaišiadorys municipality forests. The comparison between surveys conducted in 2007 and 2014 showed increasing amount of public that was quite well informed on forestry issues. Also, it determined changes in information sources concerning forestry. Results of the research stressed the necessity of the long-term strategy for the information dissemination.
5
Bostenaru Dan, Maria. "Carol Cortobius Architecture." In World Lumen Congress 2021, May 26-30, 2021, Iasi, Romania. LUMEN Publishing House, 2022. http://dx.doi.org/10.18662/wlc2021/08.
Повний текст джерелаАнотація:
Carol Cortobius was an architect trained in Germany, with an initial practice at Otto Wagner in Vienna, who worked for the Hungarian community in Bucharest building churches. An introduction on the catholic Hungarian community in Bucharest will be given. Dănuț Doboș in a monograph of one catholic church in Bucharest offers an overview of all his works. For the three catholic churches on which he intervened (two built, one restored, but altered now) there are monographs showing archive images not available for the general public. Apart of the catholic churches (two of the Hungarian community) he also built the baptist seminar. Particularly the first built church, Saint Elena, is interesting as an early example of Art Deco and will be analysed in the context of the Secession in Vienna and Budapest, which will be introduced. With help of historic maps the places of the works were identified. Many of them do not exist today anymore because of demolitions either to build new streets or those of the Ceaușescu period (ex. the opereta theatre, a former pharmacy). Images of these were looked for in groups dedicated to he disappeared Uranus neighbourhood The paper will show where these were located. Some of the common buildings have an interesting history, such as the first chocolate factory. Another interesting early Art deco building is the pelican house. There are common details between this and the restored church. The research will be continued with archive research in public archives when the sanitary situation will permit.
Звіти організацій з теми "Sanitary stress"
1
Effects of sanitary sewers on ground-water levels and streams in Nassau and Suffolk Counties, New York; Part 2, development and application of southwest Suffolk County model. US Geological Survey, 1985. http://dx.doi.org/10.3133/wri834209.
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2
Effects of sanitary sewers on ground-water levels and streams in Nassau and Suffolk Counties, New York; Part 3, development and application of southern Nassau County model. US Geological Survey, 1985. http://dx.doi.org/10.3133/wri834210.
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