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Recharge and vulnerability assessment of groundwater resources in North west India:Insights from isotope-geospatial modelling approach

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Geoscience Frontiers 2024年第1期15卷 247-262页

作者： Annadasankar Roy Sitangshu Chatterjee Uday kumar Sinha anil kumar jain Hemant Mohokar Ajay Jaryal Tirumalesh Keesari Harish Jagat Pant Isotope and Radiation Application Division Bhabha Atomic Research CentreTrombayMumbai–400085India Homi Bhabha National Institute Mumbai 400094India Central Ground Water Board AhmedabadGujaratIndia

Recent studies indicate dwindling groundwater quantity and quality of the largest regional aquifer system in North West India,raising concern over freshwater availability to about 182 million population residing in this *** agricultural activities have resulted severe groundwater pollution in this area,demanding a systematic vulnerability assessment for proactive *** vulnerability assessment models encounter drawbacks due to subjectivity,complexity,data-prerequisites,and spatial-temporal *** study incorporates isotopic information into a weighted-overlay framework to overcome the above-mentioned limitations and proposes a novel vulnerability assessment *** isotope methodology provides crucial insights on groundwater recharge mechanisms(18O and 2H)and dynamics(3H)-often ignored in vulnerability *** characterisation of precipitation helped in establishing Local Meteoric Water Line(LMWL)as well as inferring contrasting recharge mechanisms operating in different *** aquifer(depth<60 m)showed significant evaporative signature with evaporation loss accounting up to 18.04%based on Rayleigh distillation ***-aquifer connections were apparent from Kernel Density Estimate(KDE)and isotope correlations.A weighted overlay isotope-geospatial model was developed combining 18O,3H,aquifer permeability,and water level *** central and northern parts of study area fall under least(0.29%)and extremely(1.79%)vulnerable zones respectively,while majority of the study area fall under moderate(42.71%)and highly vulnerable zones(55.20%).Model validation was performed using groundwater NO3-concentration,which showed an overall accuracy up to 82%.Monte Carlo Simulation(MCS)was performed for sensitivity analysis and permeability was found to be the most sensitive input parameter,followed by 3H,18O,and water *** the vulnerability map with Land Use Land Cover(LULC)and population density maps

关键词： Agricultural pollution Data scarcity Recharge mechanism Rayleigh distillation Isotope-geospatial model Vulnerability assessment

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Nonunion of coronal shear fracture of femoral condyle

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Chinese Journal of Traumatology 2011年第3期14卷 143-146页

作者： Ajay Pal Singh Ish kumar Dhammi Raju Vaishya anil kumar jain Arun Pal Singh Prashant Modi Punjab Civil Medical Services Mukerian Punjab India Department of Orthopedics UCMS & GTB Hospital Delhi India Department of Orthopedics and Traumatology Indraprastha Apollo Hospital Delhi India S.P.N. Hospital Mukerian Punjab India

Isolated coronal fractures of femoral condyle are rare in adults and nonunion of Hoffa fracture is reported only a few times in the literature. We analyzed six cases of nonunion of Hoffa fractures over a period of three years. Three patients were treated conservatively and three patients had fixation failures. Delay of presentation was 2 months to one year. Treatment protocol consisted of open reduction, excision of pseudoarthrosis, bone grafting and internal fixation along with knee arthrolysis. Union wasachieved in all patients at mean 16 weeks. The treatment of nonunion of Hoffa fractures requires careful preoperative planning and meticulous surgical technique. The literature regarding the controversies in fracture management and surgical technique are reviewed.

关键词： Femoral fracture Fracture ftxation internal Retrospective studies

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Neglected isolated fracture of the trochlea humeri

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Chinese Journal of Traumatology 2010年第4期13卷 247-249页

作者： Ajay Pal Singh Ish kumar Dhammi anil kumar jain Saurabh jain Department of Orthopaedics Guru Teg Bahadur Hospital University College of Medical Sciences University of Delhi Delhi 110095 India

A 15 years old girl was found to have isolated trochlea fracture 10 weeks after an injury caused by a fall on her left elbow. Movement of the elbow was severely restricted. Radiographs showed a half moon-shaped and anterosuperiorly displaced osteochondral fragment. Medial approach capsulotomy of the elbow and excision of the intraarticular adhesions were done to expose the isolated trochlea fracture. Headless screws were used for fixation, combined with bone grafting. The follow-up showed union and excellent functional recovery of the elbow. Isolated trochlea fracture in adults is rare and usually associated with capitellar fractures and/or elbow dislocations. A neglected trochlea fracture is rarely reported in the English language literature to the best of our knowledge. Recognition of isolated trochlea fracture is vital to apprehend the pathomechanics of the injury and to devise a suitable treatment approach.

关键词： Fractures, bone Humerus Elbow

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Posttraumatic progressive cubitus varus deformity managed by lateral column shortening： A novel surgical technique

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Chinese Journal of Traumatology 2016年第4期19卷 229-230页

作者： Amit Srivastava anil kumar jain Ish kumar Dhammi Rehan UI Haq Department of Orthopaedics University College of Medical Sciences and Guru Teg Bahadur Hospital Delhi 110095 India

The outward angulation of elbow with supinated forearm is cubitus varus deformity. This deformity is often seen as sequelae of malunited supracondylar fracture of humerus in paediatric age group of 5-8 years. The deformity is usually non-progressive, but in cases of physeal injury or congenital bony bar formation in the medial condyle of humerus, the deformity is progressive and can he grotesque in appearance. Various types of osteotomies are defined for standard non-progressive cubitus varus deformity, while multiple surgeries are required for progressive deformity until skeletal maturity. In this study we described a novel surgical approach and osteotomy of distal humerus in a 5 years old boy having grotesque progressive cubitus varus deformity, achieving good surgical outcome.

关键词： Cubitus varus Surgery Elbow

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Neglected reverse Essex-Lopresti injury with ulnar nerve compression

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Chinese Journal of Traumatology 2011年第2期14卷 111-113页

作者： Ajay Pal Singh Ish kumar Dhammi anil kumar jain Department of Orthopaedics UCMS & GTB Hospita Delhi 110095 India

A 45 year old woman was diagnosed as having anteromedial radial head dislocation and distal radius fracture five months after her injury on fight forearm. The radial head dislocation led to ulnar nerve compression. She had severe restriction of her elbow movements. She was treated with arthrolysis, decompression of the ulnar nerve and radial head resection. The reverse Essex Lopresti injury and radial head dislocation compressing the ulnarnerve has not been reported in English language literature to the best of our knowledge. A mechanism is proposed for the injury. In acute presentations, restoration of both the radioulnar joints should be done and neglected nature of such injury leads to suboptimal outcomes.

关键词： Radius fracture Unar nerve Elbow joint

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Monteggia fracture dislocation equivalents analysis of eighteen cases treated by open reduction and internal fixation

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Chinese Journal of Traumatology 2011年第4期14卷 221-226页

作者： Ajay Pal Singh Ish kumar Dhammi anil kumar jain Rajeev Raman Prashant Modi Punjab Civil Medical Services-I Mukerian Punjab India Department of Orthopaedics UCMS & GTB HospitalDelhi 110095 India

Objective： Monteggia fracture disloca- tion equivalent, though already described by Bado, is still an unclassified entity. We aimed to retrospectively analyze 18 cases of Monteggia variants and discuss the injury mechanisms, management, and outcome along with a re- view of the literature. Methods： A retrospective record of Monteggia frac- ture dislocation （2003-2008） was reviewed from medical record department of our institute. Classic Monteggia frac- ture dislocation, children below 12 years or adults over 50 years, as well as open grade iI ＆ Ill cases were excluded from this study. Monteggia variant inclusion criteria in- cluded fracture of the proximal ulna together with a fracture of the radial head or neck and skeletal maturity. Totally 26 patients were identified with Monteggia variants and 18 were available for follow-up, including 11 males and 7 fe- males with the mean age of 35 years. The ulna fracture was treated by compression plating along with tension band wiring. Radial head/neck was reconstructed in 12 patients while excised in 6 patients. Results： Follow-up ranged from 1-4 years, mean 2.6 years. Patients were assessed clinicoradiologically. MayoElbow Performance Score outcomes. At final follow-up, was employed to assess the the results were excellent in 10 patients, good in 4, fair in 2 and poor in 2. Mean range of motion of the elbow was 20°, 116°, 50° and 55° for extension, flexion, pronation and supination, respectively. Two patients had complications in the form of heterotopic ossification and stiffness of the elbow. One nonunion ulna, primarily treated by tension band wiring, was managed by refixation with locking reconstruction plate and bone grafting. Bone grafting was only required in this patient for nonunion. Another patient had implants removed on his request. The results in our series closely correlated with extent of intraarticular damage, coronoid fracture and comminuted fractures. Conclusions： Monteggia fracture dislocation equiva-

关键词： Monteggia's fracture Radius fracture Ulna

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Unlocking hypoglycemia–associated brain microvascular dysfunction:critical insights from proteomic analysis

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Neural Regeneration Research 2025年第6期20卷 1707-1708页

作者： Siva S.V.P.Sakamuri anil Sakamuri Department of Chemistry Auburn University at MontgomeryMontgomeryALUSA Vascular Biology Center and Department of Medicine Medical College of Georgia at Augusta UniversityAugustaGAUSA

Hypoglycemia-a critical complication linked to worsened brain function in diabetic subjects:Hypoglycemia is characterized by a decline in circulatory glucose levels below sta nda rd physiological *** hypoglycemia,classified as level 1 hypoglycemia,is defined by blood glucose levels below 70 mg/dL and can be effectively addressed through carbohydrate *** hypoglycemia,denoted by blood glucose levels less than 54 mg/dL,poses a life-threatening risk if left *** with type 1 and type 2 diabetes undergoing insulin treatment are particularly susceptible to hypoglycemia due to impaired counterregulatory mechanisms.

关键词： impaired intake critical

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Study of intermolecular interactions in binary mixtures of methyl acrylate with benzene and methyl substituted benzenes at different temperatures:An experimental and theoretical approach

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Chinese Journal of Chemical Engineering 2022年第4期35卷 212-238页

作者： anil kumar Nain Department of Chemistry Dyal Singh College(University of Delhi)New Delhi 110003India

The ultrasonic speeds,u and viscosities,ηof the binary mixtures of methyl acrylate with benzene,toluene,o-xylene,m-xylene,p-xylene,and mesitylene over the whole mole fraction range were measured at six different temperatures and at atmospheric *** the experimental data,the excess isentropic compressibility,κ_(s)^(E),excess ultrasonic speed,u^(E),excess molar isentropic compressibility,K_(s,m)^(E),excess specific impedance,Z^(E)and deviations in viscosity,Δηhave been *** partial molar isentropic compressions,K_(s,m,1) and K_(s,m,2),and excess partial molar isentropic compressions,K_(s,m,1)^(-E) and K_(s,m,2)^(-E) over the whole composition range,partial molar isentropic compressions,K_(s,m,1)^(-)and K_(s,m,2)^(-),and excesspartial molar isentropic compressions,K_(s,m,1)^(-E) and K_(s,m,2)^(-E)of the components at infinite dilution have also been *** results specified the existence of weak interactions between unlike molecules,and these interactions follow the order:benzene>toluene>p-xylene>m-xylene>o-xylene>mesityle *** magnitude of interactions was found to be dependent on the number and position of the methyl groups in these aromatic hydrocarbons.

关键词： Ultrasonic speed Viscosity Methyl acrylate Aromatic hydrocarbon Excess properties Intermolecular interactions

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Adoption of green finance and green innovation for achieving circularity:An exploratory review and future directions

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Geoscience Frontiers 2024年第4期15卷 333-346页

作者： Rohit Agrawal Shruti Agrawal Ashutosh Samadhiya anil kumar Sunil Luthra Vranda jain Operations Management and Quantitative Techniques Indian Institute of ManagementBodhgaya 824234BiharIndia Department of Humanities and Social Sciences Malaviya National Institute of Technology Jaipur RajasthanIndia Jindal Global Business School OP Jindal Global UniversitySonipatIndia Guildhall School of Business and Law London Metropolitan UniversityLondonUK AICTE Training and Learning(ATAL) All India Council for Technical EducationDelhiIndia Economics and International Business Jaipuria Institute of ManagementNoidaIndia

There is growing attention from governments and regulators towards crucial matters such as climate change and global warming,resulting in a pressing need to investigate the factors that make it possible for businesses to engage in green finance(GF).The externality of environmental pollution prioritizes the need of green innovation(GI)in public *** distributes financial resources to the research and development(R&D)of clean energy and environmentally friendly goods and processes;it is complementary to the GI process for environmental *** policies help to alleviate the impacts of financial constraints and GI impaired industries involving new products,processes,services and the global *** better understand how GF and GI have functioned as a catalyst for circular economy practices,this paper seeks to present a historical and contemporary overview of these *** research is thoroughly dissected by a systematic literature evaluation of articles from 2016 to 2023 that appear in peer-reviewed journals and are indexed in the SCOPUS *** attain supply chain circularity,this article encompasses four major research themes concerning the adoption of GF and green *** research also includes a network analysis of shortlisted articles to examine the overall citation *** is shown that several institutional theories are associated with the investigated *** a final step,a framework is provided to illustrate how GF and GIs might be used to achieve supply chain *** research findings provide a novel concept related to GF within the context of GI which are significant for environmentalists,policymakers,green investors,and *** its findings,the study provides a conceptual framework that promotes sustainable strategies to effectively balance financial considerations and environmental *** helps to leverage the potential of green research and practice to create value for businesses and to benefi

关键词： Green finance Green innovation Systematic literature review Environmental protection Climate change

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Diagnosis of Helicobacter pylori : What should be the gold standard?

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World Journal of Gastroenterology 2014年第36期20卷 12847-12859页

作者： Saurabh kumar Patel Chandra Bhan Pratap Ashok kumar jain anil kumar Gulati Gopal Nath Department of Microbiology Institut of Medical Sciences Banaras Hindu University Varanasi U221005 India Department of Gastroenterology Institute of Medical Sciences Banaras Hindu University Varanasi UP221005 India Department of Microbiology Institutof Medical Sciences Banaras Hindu University Varanasi U221005 India

Since the discovery of Helicobacter pylori (H. pylori) in 1983, numerous detection methods for the presence of the bacterium have been developed. Each one of them has been associated with advantages and disadvantages. Noninvasive tests such as serology, 13C urea breath test (UBT) and stool antigen tests are usually preferred by the clinicians. Serology has its own limitation especially in endemic areas while 13C UBT is technically very demanding. The stool antigen detection method, although specific, is usually associated with poor sensitivity. The 13C UBT is believed to be specific, but with present revelation of the fact that stomach is colonized by many other urease producing bacteria makes it questionable. Histology, culture, rapid urease test and polymerase chain reaction (PCR) are the tests which are carried out on antral biopsies collected by invasive means. Histology has been proposed to be very sensitive and specific but the question is how by simply looking the morphology of the bacteria in the microscope, one can claim that the curved bacterium is exclusively H. pylori. Rapid urease test (RUT), the doctor’s test, is also challenged because the presence of other urease producing bacteria in the stomach cannot be denied. Moreover, RUT has been reported with poor sensitivity specially, when density of the bacterium is low. Isolation of H. pylori is essential to investigate its growth requirements, antibiotic susceptibility testing, studying virulence factor to develop vaccine and many more explorations. It has also got several disadvantages i.e., special condition for transporting, media, incubation and few days waiting for the colonies to appear, apart from the speed essentially needed to process the specimens. Till date, majority of the microbiological laboratories in the world are not equipped and trained to isolate such fastidious bacterium. The option left is PCR methods to detect H. pylori’s DNA in gastr

关键词： Helicobacter pylori review Invasive tests Non-invasive tests Gold standard Polymerase chain reaction detection Nested polymerase chain reaction

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