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Delineation of groundwater potential zones using remote sensing and Geographic Information Systems(GIS)in Kadaladi region,Southern India

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Journal of Groundwater Science and Engineering 2024年第2期12卷 147-160页

作者： Stephen Pitchaimani V Narayanan MSS Abishek rs Aswin SK Jerin Joe RJ PG and Research Department of Geology V.O.Chidambaram CollegeThoothukudi 628008India Research Scholar Manonmaniam Sundaranar UniversityTirunelveli 627012India

The primary objective of this research is to delineate potential groundwater recharge zones in the Kadaladi taluk of Ramanathapuram,Tamil Nadu,India,using a combination of remote sensing and Geographic Information Systems(GIS)with the Analytical Hierarchical Process(AHP).Various factors such as geology,geomorphology,soil,drainage,density,lineament density,slope,rainfall were analyzed at a specific *** layers were evaluated for quality and relevance using Saaty's scale,and then inte-grated using the weighted linear combination *** weights assigned to each layer and features were standardized using AHP and the Eigen vector technique,resulting in the final groundwater potential zone *** AHP method was used to normalize the scores following the assignment of weights to each criterion or factor based on Saaty's 9-point ***-wise matrix analysis was utilized to calculate the geometric mean and normalized weight for various *** groundwater recharge potential zone map was created by mathematically overlaying the normalized weighted *** layers indicating major elements influencing groundwater occurrence and recharge were derived from satellite images.2 Results indicate that approximately 21.8 km of the total area exhibits high potential for groundwater *** recharge is viable in areas with moderate slopes,particularly in the central and southeastern regions.

关键词： Groundwater Satellite image Remote sensing GIS techniques Analytical Hierarchy Process(AHP)

An integrative insight into the synsacral canal of fossil and extant Antarctic penguins

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Integrative Zoology 2023年第2期18卷 237-253页

作者： Piotr JADWISZCZAK Anders SVENSSON-MARCIAL Thomas MÖrs Faculty of Biology University of BialystokBialystokPoland Department of Clinical Science Intervention and Technology at Karolinska InstituteStockholmSweden Department of Palaeobiology Swedish Museum of Natural HistoryStockholmSweden

The lumbosacral-canal system in birds most likely operates as a sense organ involved in the control of balanced walking and perching,but our knowledge of it is superﬁ*** constitute interesting objects for the study of this system due to their upright walking,but only the Humboldt penguin,Spheniscus humboldti,and some incomplete fossil penguin synsacra have been studied in this ***,we give an integrative comparative in-sight into the synsacral canal of extant Emperor penguin,Aptenodytes forsteri,Adelie penguin,Pygoscelis adeliae,and Eocene giant Anthropornis and/or Palaeeudyptes Antarctic penguins,using computed tomography imaging and associated data-extraction methodologies,complemented by analytical approaches ranging from geometric morphometrics to modularity,curvature,and wavelet *** document that the variability in the number of synsacro-lumbar vertebrae is evolutionarily conserved,and all studied synsacra possess osteological correlates of the lumbosacral-canal *** also found that Eocene and extant Antarctic penguins were separable on the basis of the main direction of the shape-related(size-independent)variability within said system,and *** was unique in the entire studied set in terms of the relative cranial shift of this compound ***,we suggest that the evolutionary processes,shaping both the terrestrial posture and gait,were responsible,in extant penguins,for the increased simplicity and stability of the synsacral canal cross-sectional periodic patterns,as well as pave the way for the lumbosacral-canal system modularity characterized by reduced atomization/complexity.

关键词： Antarctica Cenozoic lumbosacral canals Sphenisciformes synsacrum

Symmetric carbon tetramers forming spin qubits in hexagonal boron nitride

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npj Computational Materials 2023年第1期9卷 407-416页

作者： Zsolt Benedek Rohit Babar Ádám Ganyecz Tibor Szilvási Örs Legeza Gergely Barcza Viktor Ivády Strongly Correlated Systems Lendület Research Group Wigner Research Centre for PhysicsPO Box 49H-1525 BudapestHungary MTA-ELTE Lendület“Momentum”NewQubit Research Group Pázmány PéterSétány 1/A1117 BudapestHungary Department of Chemical and Biological Engineering The University of AlabamaTuscaloosaAL 35487USA Institute for Advanced Study Technical University of MunichLichtenbergstrasse 2a85748 GarchingGermany Department of Physics of Complex Systems Eötvös Loránd UniversityEgyetem tér 1-3H-1053 BudapestHungary Department of Physics Chemistry and BiologyLinköping UniversitySE-58183 LinköpingSweden

Point defect quantum bits in semiconductors have the potential to revolutionize sensing at atomic ***,vacancy-related defects are at the forefront of high spatial resolution and low-dimensional *** the other hand,it is expected that impurity-related defect structures may give rise to new features that could further advance quantum sensing in low ***,we study the symmetric carbon tetramer clusters in hexagonal boron nitride and propose them as spin qubits for *** utilize periodic-DFT and quantum chemistry approaches to reliably and accurately predict the electronic,optical,and spin properties of the studied *** show that the nitrogen-centered symmetric carbon tetramer gives rise to spin state-dependent optical signals with strain-sensitive intersystem crossing ***,the weak hyperfine coupling of the defect to their spin environments results in a reduced electron spin resonance linewidth that can enhance sensitivity.

关键词： hexagonal boron quantum

Diffusion of Hydrogen in Amorphous NiCrFeSiB Alloy

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Journal of Materials Science & Technology 1996年第1期12卷 15-18页

作者： Zuo, Y Yang, B Xu, rs Dept. of Applied Chemistry Beijing University of Chemical Technology Beijing 100029 China

The diffusion of hydrogen in amorphous NiCrFeSiB alloy has been studied by electrochemical method. In the temperature range of 20 similar to 50 degrees C, diffusion coefficient of hydrogen in the alloy follows the equation: D(cm(2)/s) = 9.27x10(-8) exp(-53.4 kJ/RT). At room temperature the diffusion coefficient D and the solubility C-0 are 6.125 x 10(-12) cm(2)/s and 0.007 mol/cm(3), respectively. When As2O3 is added into the cathodic solution or the charging current density is increased, the diffusion coefficient and solubility increase, and the diffusion activation energy decreases. The influence of amorphous structure on diffusion and solution of hydrogen is discussed.

关键词： Nickel alloys

Comparison between phylogeny of introns and exons in primates

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Chinese Science Bulletin 1999年第21期44卷 1940-1946页

作者： Wang, N Chen, rs Chinese Acad Sci Prot Engn Lab Inst Biophys Beijing 100101 Peoples R China

Introns and exons of 7 genes ( epsilon globin, gamma-1 globin, gamma-2 globin, delta globin, beta globin, Immunoglobulin and prepro-insulin) in primates have been separated out and used to infer phylogeny respectively. For each gene, results based on these two parts have been compared and showed that: ( i ) the topology of introns is almost

关键词： phylogeny inference intron substitution rate molecular evolution.

Prevalence,intensity of infection and risk factors of urinary schistosomiasis in preschool and school aged children in Guma Local Government Area,Nigeria

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Asian Pacific Journal of Tropical Medicine 2014年第1期7卷 34-39页

作者： EU Amuta rs Houmsou Department of Biological Sciences University of Agriculture Makurdip.M.B 2373 MakurdiBenue StateNigeria. Department of Biological Sciences Taraba State UniversityJalingoP.M.B 1167 JalingoTaraba StateNigeria

Objective:To determine the prevalence and intensity of infection and the risk factors associated with urinary schistosomiasis in pre—school and school aged children in Cuma Local Government Area of Benue State,***:Urine filtration technique using polycarbonate membrane filters was employed to process urine specimens and to determine presence of Schistosoma haematobium eggs in *** were also administered to children to collect information on socio-demographic data and water-contact ***:An overall prevalence of 55.0%(165/300)was recorded out of the 300 urine samples *** of infection varied between 36.0%-64.0%with a significant difference(X^2=11.59,P=0.041)between the different communities *** were more infected(60.6%,103/170)than females(47.7%,62/130)with a significant difference(X^2=4.95,P=0.026).The age-related prevalence showed higher prevalence(70.5%,36/52)in the 11-15 year old children than that in the 1-5 year old ones(44.9%,53/118).A significant difference was observed in the prevalence between the age groups(X^2=10.56,P=0.014).The prevalence of light intensity of infection(1-49 eggs/10 mL of urine)(86.6%)was significantly higher than that of heavy intensity of infection(5=50 eggs/10 mL of urine)(13.3%)in the area(t=16.48,P=0.000).Water contact activities of the children revealed that children that were involved in irrigation and those that went swimming in water bodies were observed to be at higher risk of becoming infected with urinary schistosomiasis in the area with odd ratios(risk factors)of 2.756(1.334-5.693)and 2.366(1.131-4.948)respectively at P<0.05 ***:The study revealed the hyperendemicily of urinary schistosomiasis in the preschool and school aged children in Guma Local Government *** is therefore recommended that praziquantel should be administered to children in the area and systematic epidemiological studies should be undertaken in the whole Local Government Ar

关键词： Hyperendemic Schistosomiasis Urine Prevalence Intensity Risk factor

Investigating species boundaries in Colletotrichum

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Fungal Diversity 2021年第2期107卷 107-127页

作者： Chitrabhanu S.Bhunjun Chayanard Phukhamsakda Ruvishika S.jayawardena Rajesh Jeewon Itthayakorn Promputtha Kevin D.Hyde Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Institute of Plant Protection College of AgricultureJilin Agricultural UniversityChangchun 130118JilinPeople’s Republic of China Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi Jilin Agricultural UniversityChangchun 130118JilinPeople’s Republic of China Department of Health Sciences Faculty of Medicine and Health SciencesUniversity of MauritiusReduitMauritius Department of Biology Faculty of ScienceChiang Mai UniversityChiang Mai 50200Thailand

Colletotrichum is one of the most important plant pathogenic genera that is responsible for numerous diseases which can have a profound impact on the agricultural *** delineation is difficult due to a lack of distinctive phenotypic ***,in this study three different genomic approaches based on phylogenetic,evolutionary and coalescent-based methods are applied to establish robust species *** reliability of five different DNA barcodes was also assessed to provide further insights into species *** ITS region can resolve the placement of taxa up to the species complex *** GAPDH and TUB2 markers are determined to be the most informative for most ***,no single marker could discriminate between species in all complexes,therefore different molecular approaches based on multi-locus datasets are *** is the first study to provide an estimated divergence time for all species complexes in *** estimated divergence time for species complexes ranged between 4.8 to 32.2 *** on the high level of congruent results obtained from the different molecular approaches,a new species complex,the Colletotrichum agaves complex is *** complex consists of five taxa which are characterised by the presence of straight or slightly curved conidia with obtuse *** study shows that coalescent approaches and multi-locus phylogeny are crucial to establish species boundaries in *** taxonomic placement of three singleton taxa Colletotrichum axonopodi,*** and *** is *** accept 248 species and provide recommendations regarding species boundaries in the graminicola-caudatum complex.

关键词： BEAST General mixed yule coalescent method Glomerellaceae Multi-rate poisson tree process Sordariomycetes Taxonomy

Investigation and Analysis of High Temperature Corrosion and Degradation of Marine Boiler Combustion Swirler

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Journal of Marine Science and Application 2016年第1期15卷 86-94页

作者： rs Virdi DG Thakur Defence Institute of Advanced Technology (DU) Pune 411 025 (MS) India

现在的纸调查了并且分析了 swirler 材料由在 30 MW 水兵锅炉为一年的时期受到服务的低碳钢组成。由于在结合的炉子的高温度的存在，腐蚀剂水兵环境 swirler 材料显示出加速的降级和材料消耗量。调查进与交替的材料或涂层生产存在 swirl... 详细信息

现在的纸调查了并且分析了 swirler 材料由在 30 MW 水兵锅炉为一年的时期受到服务的低碳钢组成。由于在结合的炉子的高温度的存在，腐蚀剂水兵环境 swirler 材料显示出加速的降级和材料消耗量。调查进与交替的材料或涂层生产存在 swirler 的可行性有热障碍涂层的 swirler 材料被承担。基于他们的性质和表演， SS 304 和 SS 316 为 swirler 作为代替材料被建议。有在提高的温度在他们的表演为任何改进观察的热障碍涂层也是的一种形式的存在 swirlers 测试了的涂层的另外的选择。钨铬钴合金，它是一个 Ni 公司基于涂层，在 MS 样品上被执行，一样暴露于上面提及的一样的温度。可得到的选择的表演关于材料的谷物结构被评估，在提高的温度的材料和恶化的坚硬价值。调查证明象 SS 304， SS 316 和钨铬钴合金涂层一样的建议材料 / 涂层表明 SS 316 是适合高温度申请的材料最好。

关键词：高温腐蚀锅炉燃烧旋流器退化热障涂层材料材料组成船用 316不锈钢

Cytoprotective,antihyperglycemic and phytochemical properties of Cocos nucifera(L.) inflorescence

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Asian Pacific Journal of Tropical Medicine 2013年第10期6卷 804-810页

作者： rs Renjith AM Chikku T Rajamohan Department of Biochemistry University of KeralaThiruvananthapuram-695581KeralaIndia

Objective:To analyze the eytoproteetive and antidiabetic activities as well as phytochemical composition of the immature inflorescence of Cocas nucifera belonging to the Arecaceae ***:The phytochemical screening of inflorescence was done to determine the major constituents present in Cocos nucifera *** free radical scavenging potential of inflorescence extracts were evaluated using in vitro radical scavenging assay ***:The phytochemical analyses on inflorescence showed the presence of phenolic compounds,*** and *** macronutrient analyses,on the other hand,showed the presence of carbohydrate,proteins and *** of the methanol extract of coconut inflorescence to the diabetic rats showed dose dependent reduction in *** cytoprotective property of coconut inflorescence was evidenced from the acute toxicological *** levels of serum aspartate aminotransferase,alanine aminotransferase,and alkaline phosphatase were significantly decreased in the diabetic rats treated with inflorescence when compared with the diabetic control ***:The results obtained from the present study apparently proved the non-toxic nature and the eytoproteetive and antihyperglycemic properties of coconut inflorescence.

关键词： Antihyperglycemic Coconut inflorescence Cytoprotective property Phenolic compound Phytochemical Stroptozotocin