Comment diagnostiquer la dénitrification dans un sol ?
On utilise des tests de laboratoire pour mesurer les niveaux de nitrates et d'azote gazeux.
DénitrificationNitratesAnalyse du sol
#2
Quels indicateurs montrent une dénitrification active ?
La présence d'azote gazeux et une diminution des nitrates dans le sol sont des indicateurs.
DénitrificationAzoteNitrates
#3
Quels tests sont utilisés pour évaluer la dénitrification ?
Des tests de respiration microbienne et des analyses chimiques des sols sont courants.
DénitrificationMicrobiologieAnalyse chimique
#4
Peut-on mesurer la dénitrification dans l'eau ?
Oui, des échantillons d'eau peuvent être analysés pour détecter les nitrates et l'azote.
DénitrificationEauNitrates
#5
Quels outils sont utilisés pour le diagnostic ?
Des chromatographes et des spectromètres sont souvent utilisés pour les analyses.
DénitrificationChromatographieSpectrométrie
Symptômes
5
#1
Quels sont les symptômes d'une dénitrification excessive ?
Une accumulation d'azote dans l'environnement peut entraîner des problèmes d'eutrophisation.
DénitrificationEutrophisationEnvironnement
#2
Comment la dénitrification affecte-t-elle la qualité de l'eau ?
Elle peut réduire les niveaux de nitrates, améliorant ainsi la qualité de l'eau potable.
DénitrificationQualité de l'eauNitrates
#3
Quels impacts sur la biodiversité ?
Une dénitrification déséquilibrée peut nuire à certaines espèces aquatiques sensibles.
DénitrificationBiodiversitéEspèces aquatiques
#4
Y a-t-il des symptômes visibles dans les cultures ?
Des signes de stress hydrique ou de carence en nutriments peuvent apparaître.
DénitrificationCulturesCarence en nutriments
#5
Quels effets sur les écosystèmes aquatiques ?
Une dénitrification excessive peut entraîner des zones mortes dans les écosystèmes aquatiques.
DénitrificationÉcosystèmes aquatiquesZones mortes
Prévention
5
#1
Comment prévenir la dénitrification excessive ?
Limiter l'utilisation d'engrais azotés et adopter des pratiques agricoles durables.
DénitrificationEngraisAgriculture durable
#2
Quelles pratiques agricoles aident à la dénitrification ?
La rotation des cultures et l'utilisation de cultures de couverture sont bénéfiques.
DénitrificationRotation des culturesCultures de couverture
#3
Comment gérer les eaux usées pour éviter la dénitrification ?
Traiter les eaux usées avant leur rejet pour réduire les nitrates dans l'environnement.
DénitrificationEaux uséesTraitement des eaux
#4
Quels rôles jouent les zones tampons ?
Les zones tampons peuvent filtrer les nitrates avant qu'ils n'atteignent les cours d'eau.
DénitrificationZones tamponsFiltration
#5
Comment sensibiliser à la dénitrification ?
Éduquer les agriculteurs et le public sur les impacts de l'azote et des pratiques durables.
DénitrificationÉducationPratiques durables
Traitements
5
#1
Comment traiter les sols avec une dénitrification faible ?
L'ajout de matières organiques peut stimuler l'activité microbienne et la dénitrification.
DénitrificationMatières organiquesSol
#2
Quels traitements pour l'eau contaminée par les nitrates ?
Des systèmes de filtration et des traitements biologiques peuvent réduire les nitrates.
DénitrificationEauFiltration
#3
Peut-on utiliser des bactéries pour améliorer la dénitrification ?
Oui, certaines bactéries peuvent être ajoutées pour augmenter le taux de dénitrification.
DénitrificationBactériesBiotechnologie
#4
Quels produits chimiques aident à la dénitrification ?
Des agents réducteurs comme le glucose peuvent être utilisés pour favoriser le processus.
DénitrificationProduits chimiquesRéduction
#5
Comment optimiser la dénitrification en agriculture ?
L'utilisation de cultures de couverture et de pratiques de conservation peut aider.
DénitrificationAgricultureCultures de couverture
Complications
5
#1
Quelles complications peuvent résulter d'une dénitrification inappropriée ?
Une dénitrification inappropriée peut entraîner une pollution de l'eau et des problèmes de santé.
DénitrificationPollution de l'eauSanté publique
#2
Comment la dénitrification affecte-t-elle la santé humaine ?
Des niveaux élevés de nitrates dans l'eau potable peuvent causer des problèmes de santé.
DénitrificationSanté humaineNitrates
#3
Quels impacts sur les écosystèmes ?
Une dénitrification déséquilibrée peut provoquer des déséquilibres écologiques et des pertes de biodiversité.
DénitrificationÉcosystèmesBiodiversité
#4
Y a-t-il des risques pour les cultures ?
Une dénitrification excessive peut entraîner des carences en nutriments pour les plantes.
DénitrificationCulturesCarences en nutriments
#5
Quels effets sur la chaîne alimentaire ?
Des niveaux élevés de nitrates peuvent affecter la chaîne alimentaire aquatique et terrestre.
DénitrificationChaîne alimentaireNitrates
Facteurs de risque
5
#1
Quels facteurs augmentent le risque de dénitrification ?
L'utilisation excessive d'engrais azotés et le drainage des sols augmentent le risque.
DénitrificationEngrais azotésDrainage des sols
#2
Comment le climat influence-t-il la dénitrification ?
Des conditions humides et chaudes favorisent la dénitrification en augmentant l'activité microbienne.
DénitrificationClimatActivité microbienne
#3
Quels types de sols sont plus à risque ?
Les sols sableux et mal drainés sont plus susceptibles de subir une dénitrification excessive.
DénitrificationSolsDrainage
#4
Quel rôle jouent les pratiques agricoles ?
Des pratiques agricoles non durables augmentent le risque de dénitrification et de pollution.
DénitrificationPratiques agricolesPollution
#5
Comment les zones urbaines influencent-elles la dénitrification ?
Les zones urbaines peuvent augmenter les niveaux de nitrates par le ruissellement des eaux usées.
DénitrificationZones urbainesRuissellement
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"@type": "Question",
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"@type": "Question",
"name": "Quels impacts sur les écosystèmes ?",
"position": 23,
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"text": "Une dénitrification déséquilibrée peut provoquer des déséquilibres écologiques et des pertes de biodiversité."
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"@type": "Question",
"name": "Y a-t-il des risques pour les cultures ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une dénitrification excessive peut entraîner des carences en nutriments pour les plantes."
}
},
{
"@type": "Question",
"name": "Quels effets sur la chaîne alimentaire ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des niveaux élevés de nitrates peuvent affecter la chaîne alimentaire aquatique et terrestre."
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"@type": "Question",
"name": "Quels facteurs augmentent le risque de dénitrification ?",
"position": 26,
"acceptedAnswer": {
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"text": "L'utilisation excessive d'engrais azotés et le drainage des sols augmentent le risque."
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"name": "Comment le climat influence-t-il la dénitrification ?",
"position": 27,
"acceptedAnswer": {
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"name": "Quels types de sols sont plus à risque ?",
"position": 28,
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"text": "Les sols sableux et mal drainés sont plus susceptibles de subir une dénitrification excessive."
}
},
{
"@type": "Question",
"name": "Quel rôle jouent les pratiques agricoles ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des pratiques agricoles non durables augmentent le risque de dénitrification et de pollution."
}
},
{
"@type": "Question",
"name": "Comment les zones urbaines influencent-elles la dénitrification ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les zones urbaines peuvent augmenter les niveaux de nitrates par le ruissellement des eaux usées."
}
}
]
}
]
}
Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen361021, China.
Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment; Key Laboratory of Low-Carbon Green Agriculture in Southwestern China, Ministry of Agriculture and Rural Affairs, Southwest University, Chongqing400715, China.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, PR China.
Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, College of Architectural Engineering, Beijing University of Technology, Beijing 100124, China. Electronic address: yhong@bjut.edu.cn.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China. Electronic address: jfy@cqu.edu.cn.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, PR China.
National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, PR China.
Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China; Guangxi Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin 541004, China.
Infections caused by antimicrobial-resistant bacteria are a significant cause of death worldwide, and carbapenemase-producing bacteria are the principal agents. New Delhi metallo-beta-lactamase-1 prod...
A retrospective case-control study with patients hospitalized from January 2012 to February 2018 at the Hospital Civil de Guadalajara "Fray Antonio Alcalde" was designed. During this period, 139 patie...
One hundred and thirty-nine case patients with a KP-NDM-1 isolate and 486 control patients were analyzed. In the case group, acute renal failure was a significant comorbidity, hospitalization days wer...
In this study, the previous use of antibiotics, the use of a urinary catheter, the use of a central venous catheter, the use of mechanical ventilation, and ICU stay were shown to be predictors of infe...
While errors can harm patients they remain poorly studied. This study characterized errors in the care of surgical patients and examined the association of errors with morbidity and mortality....
Errors have been reported to cause <10% or >60% of adverse events. Such discordant results underscore the need for further exploration of the relationship between error and adverse events....
Patients with operations performed at a single institution and abstracted into the American College of Surgeons National Surgical Quality Improvement Program from January 1, 2018, to December 31, 2018...
Of 1899 patients, 170 were defined as cases who experienced a morbidity or mortality. The majority of cases (n=93; 55%) had at least 1 error; of the 329 matched control patients, 112 had at least 1 er...
Errors in surgical care were associated with postoperative morbidity. Reducing errors requires measurement of errors....
Iron deficiency is a common problem in subfertile women. The influence of iron status on unexplained infertility is unknown....
In a case-control study, 36 women with unexplained infertility and 36 healthy non-infertile controls were included. Parameters of iron status including serum ferritin and a serum ferritin <30 µg/dL se...
Women with unexplained infertility demonstrated a lower transferrin saturation (median 17.3%, IQR 12.7-25.2 versus 23.9%, IQR 15.4-31.6;...
Ferritin levels <30µg/L were associated with unexplained infertility and might be screened in the future. Further studies with a focus on iron deficiency and iron treatment on women with unexplained i...
There are few studies published referring to bariatric surgery in patients older than 70 years. The aim of this study is to evaluate whether there are benefits to performing sleeve gastrectomy (SG) in...
Data were retrospectively collected from a Private Clinic's electronic medical records of patients undergoing SG between June 2017 and September 2020. Inclusion criteria were patients older than 70 ye...
Fifty patients were included in the study. Both groups were similar regarding gender, weight, BMI, and presence of DM. The 30-day morbidity and mortality were similar between the groups. The patients ...
The sleeve gastrectomy surgery performed in patients over 70 years of age is safe. The early results suggest similar benefits regarding weight loss and improvement of comorbidities to those having SG ...
The etiology of diverticulitis is multifactorial and poorly understood. We estimated the familiality of diverticulitis using the Utah Population Database, a statewide database linking medical records ...
We identified patients with diverticulitis diagnosed between 1998 and 2018 and age- and sex-matched controls in the Utah Population Database. Risk of diverticulitis in family members of patients and c...
The study population included 9,563 diverticulitis patients (with 229,647 relatives) and 10,588 controls (with 265,693 relatives). Relatives of patients were more likely to develop diverticulitis (inc...
Our results indicate that the first-, second-, and third-degree relatives of diverticulitis patients are at elevated risk of developing diverticulitis. This information may aid surgeons in counseling ...
This study aimed to investigate the clinical and laboratory as well as radiological features of spondyloarthritis (SpA) patients with thrombocytosis and to explore risk factor for thrombocytosis in Sp...
A total of 145 patients with SpA were included in this study, and non-thrombocytosis was identified in 76 patients while thrombocytosis was found in 69 patients, 38 out of the 69 patients received ant...
The proportion of hip involvement (60.86% vs 36.84%, p = 0.004), bath ankylosing spondylitis disease activity index score (4.24 ± 0.55 vs 3.69 ± 0.67, p < 0.001), erythrocyte sedimentation rate (62.22...
SpA patients with thrombocytosis have a higher proportion of hip involvement and disease activity compared to non-thrombocytosis SpA patients. The potential risk factors for thrombocytosis in SPA pati...
Recent studies of the vaginal microbiome have led to a better understanding of the microbiota and interactions with the host environment, however the role of the vaginal microbiome in vestibulodynia r...
This study aims to investigate and examine differences in the bacterial and fungal microbiome among patients with vestibulodynia and healthy controls....
A case-control study was conducted examining the vaginal microbiome of 29 patients with vestibulodynia and 26 controls through Stony Brook University Obstetrics and Gynecology ambulatory clinic. Exclu...
Principal component analysis (PCA) and linear discriminant analysis effect size (LefSe) were used to identify differences in relative abundance of operational taxonomic units (OTUs) for the vaginal mi...
Lactobacillus species were dominant amongst both cases and controls. PCA of 16S and ITS OTUs did not show significant differences in microbiome composition between vestibulodynia patients and controls...
Additional studies are needed to further assess the clinical significance of these findings....
Strengths of this study include ITS amplicon sequence analysis for fungal species diversity. Limitations of this study include small sample size and lack of racial diversity....
Our study did not find significant differences in composition or diversity between the vaginal microbiomes of cases of vestibulodynia and controls; however, the data suggests differences in abundance ...
Varied reports suggest a contentious relationship of bladder malignancy with pioglitazone in patients with type 2 diabetes....
To study an association (prevalence and predictors) of bladder malignancy with pioglitazone therapy in Asian-Indian type 2 diabetes patients....
In this observational multicenter study, type 2 diabetic patients attending out-patient diabetes-clinic were evaluated. A detailed history of anti-diabetic medication, dose, duration, pioglitazone usa...
A total of 8000 patients were screened out of which 1560 were excluded. Among 6440 included patients, 1056 (16.3%) patients were in group A and 5384 (83.6%) group B. Patients on pioglitazone were olde...
Pioglitazone use in Asian-Indians is not associated with an increased bladder cancer risk. However, pioglitazone should be restricted in individuals with history of hematuria. Age more than 58 years i...
Multiple chemical sensitivity (MCS) is a chronic condition characterized by the appearance of symptoms caused by exposure to chemical compounds that are tolerable for the general population. It mainly...
Stroke is the leading cause of mortality in China. DNA methylation has essential roles in multiple diseases, but its association with stroke was barely studied. We hereby explored the association betw...
The association was discovered in a hospital-based case-control study (cases/controls = 190:190) and further validated in a prospective nested case-control study including 139 cases who developed stro...
In our study, altered HTRA1 methylation was associated with stroke at clinical and preclinical stages and thus may provide a potential biomarker in the blood for the risk evaluation and preclinical de...
