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کلمات کلیدی: Isotope


موارد یافت شده: 112

1 - طراحی و ساخت تشدیدگر V- شکل در دستگاه بیناب‌نمایی ذبی لیزری OFCEAS (چکیده)
2 - The Bahariyeh iron oxide copper–gold deposit, Khaf-Khashmar-Bardaskan magmatic belt, NE Iran: Constraints from geochemical, fluid inclusions, and O-S isotope studies (چکیده)
3 - Stable Isotope Signatures in Tehran’s Precipitation: Insights from Artificial Neural Networks, Stepwise Regression, Wavelet Coherence, and Ensemble Machine Learning Approaches (چکیده)
4 - Measuring the temperature dependence of water density by a designed gamma ray density gauge (چکیده)
5 - High-resolution record of stable isotopes in soil carbonates reveals environmental dynamics in an arid region (central Iran) during the last 32 ka (چکیده)
6 - Tautomerism of pyridinylbutane‐1,3‐diones: An NMR and DFT study (چکیده)
7 - A comprehensive study of the parameters affecting the stable isotopes in the precipitation of the Bangkok metropolitan area using model-based statistical approaches (چکیده)
8 - Post-depositional history of the lower Palaeocene interval using petrographic, CL and geochemical data in the East Tethys: Kopet-Dagh Basin, northeast Iran (چکیده)
9 - Neogene calc-alkaline volcanism in Bobak and Sikh Kuh, Eastern Iran: Implications for magma genesis and tectonic setting (چکیده)
10 - Nitrification inhibitor application at stem elongation stage increases soil nitrogen availability and wheat nitrogen use efficiency under drought stress (چکیده)
11 - Gradual warming prior to the end‐Permian mass extinction (چکیده)
12 - Delineation of isotopic and hydrochemical evolution of karstic aquifers with different cluster-based (HCA, KM, FCM and GKM) methods (چکیده)
13 - Textures and chemical compositions of the Narm iron oxide-apatite deposit in Kuh-e-Sarhangi District (Central Iran): Insights into the magmatic-hydrothermal mineralization (چکیده)
14 - Formation of the Chah-Gaz iron oxide-apatite ore (IOA) deposit, Bafq District, Iran: Constraints from halogens, trace element concentrations, and Sr-Nd isotopes of fluorapatite (چکیده)
15 - محاسبه محصولات گسیلنده پوزیترون برای به تصویر کشیذد توزیع دز در پروتون درمانی (چکیده)
16 - An in-depth understanding of complex karstic system evolutions of northwest Iran using stable isotopes (δ18O, δ2H, and δ13C) and hydrochemical techniques (چکیده)
17 - The effects of local and regional parameters on the δ18O and δ2H values of precipitation and surface water resources in the Middle East (چکیده)
18 - Spatial distribution of stable isotopes (18O and2H) in precipitation and groundwater in Iran (چکیده)
19 - Dolomitization models in the Sibzar Formation (Middle Devonian), Binalood Mountains (NE Iran): Based on the petrographic and geochemical evidence (چکیده)
20 - Application of stable isotopes, trace elements and spectral gamma-ray log in resolving high-frequency stratigraphic sequences of a mixed carbonate-siliciclastic reservoirs (چکیده)
21 - Evidence of iron oxide-copper–gold mineralization in the Torud-Chahshirin Magmatic Belt, northern Iran: Insight from the Robaie area (چکیده)
22 - A comparison of hydro-geochemistry and stable isotope composition of travertine-depositing springs, Garab in NE Iran and Pamukkale in SW Turkey (چکیده)
23 - The Effects of Moisture Sources and Local Parameters on the 18O and 2H Contents of Precipitation in the West of Iran and the East of Iraq (چکیده)
24 - Middle Eocene magmatism in the Khur region (Lut Block, Eastern Iran): implications for petrogenesis and tectonic setting (چکیده)
25 - A conceptual model for water resources circulation patterns in Andarokh-Kardeh region (NE, Iran) (چکیده)
26 - δ18O and δ2H Characteristics of Moisture Sources and Their Role in Surface Water Recharge in the North-East of Iran (چکیده)
27 - Oxygen isotope curves from the end-Permian mass extinction interval – influence of global warming on ostracod diversity (چکیده)
28 - Irankuh lead-zinc mining district, southern Isfahan, Iran: Evidences of geology, fluid inclusion and isotope geochemistry (چکیده)
29 - Zircon U-Pb geochronology, geochemistry, Sr-Nd isotopic compositions, and tectonomagmatic implications of Nay (NE Iran) postcollisional intrusives in the Sabzevar zone (چکیده)
30 - Geochemistry, Sr-Nd isotopes and zircon U-Pb geochronology of intrusive rocks: Constraint on the genesis of the Cheshmeh Khuri Cu mineralization and its link with granitoids in the Lut Block, Eastern Iran (چکیده)
31 - Diagenetic features, stable isotope and dolomitization of the Lower Cretaceous carbonate rocks in west Kopet-Dagh Basin, Northeast Iran (چکیده)
32 - New stratigraphic data for the Lower Cretaceous Tirgan Formation, Kopet-Dagh Basin, NE Iran (چکیده)
33 - Molecular structure and intramolecular hydrogen bond strength of 3-methyl-4-amino-3-penten-2-one and its NMe and N-Ph substitutions by experimental and theoretical methods (چکیده)
34 - U-Pb zircon geochronology, geochemistry, and petrogenesis of the Hamech intrusions in the Kuh-e-Shah volcano-plutonic complex, Eastern Iran (چکیده)
35 - Constraining the timing of palaeosol development in Iranian arid environments using OSL dating (چکیده)
36 - Normal Deformed Structures in Hafnium Isotopes (چکیده)
37 - Geochemical and geochronological evidence for a Middle Permian oceanic plateau fragment in the Paleo-Tethyan suture zone of NE Iran (چکیده)
38 - Origin of the Kaviro lead deposit in the Neyganan area, Lut Block, Eastern Iran: Constraints from geology, fluid inclusions, and isotope geochemistry (چکیده)
39 - Zircon U-Pb geochronology, Hf isotopes in the Simorgh area Zircon U-Pb geochronology, Hf isotopes and geochemistry of intrusive rocks in the Simorgh prospecting area, Lut Block, Eastern Iran: Petrogenesis and geological implications (چکیده)
40 - Stable isotopes (δD, δ18O and δ13CDIC) characteristics of karstic groundwater in Qori Meydan plain, NE of Iran (چکیده)
41 - Investigating the Origin and Interaction between Karstic and Alluvial Aquifers in NW of Zagros Mountain Range, Iran, Using Isotopic and Geochemical Tools (چکیده)
42 - Multistage dolomitization in the Qal’eh Dokhtar Formation (Middle-Upper Jurassic), Central Iran: petrographic and geochemical evidence (چکیده)
43 - Age and origin of subvolcanic rocks from NE Iran: Link between magmatic “flare-up” and mineralization (چکیده)
44 - Calcic soils as indicators of profound Quaternary climate change in eastern Isfahan, Iran (چکیده)
45 - Latest Permian carbonate carbon isotope variability traces heterogeneous organic carbon accumulation and authigenic carbonate formation (چکیده)
46 - Nitrogen isotope variations and environmental perturbations during Cenomanian-Turonian transition in the NE Tethyan realm, Kopet-Dagh basin (چکیده)
47 - The Hydrogeochemical and Isotopic (18O and 2H) Characteristics of Alluvial and Karstic Groundwater in Ravansar Area, West of Iran (چکیده)
48 - Geochemistry,petrology, and mineralization in volcanic rocks located in south Neyshabour,NE Iran (چکیده)
49 - Stable Isotopes (18O, 2H, 13C) Properties of Kardeh River and Dam reservoir, North-Eastern Iran (چکیده)
50 - Disparate Permian-Triassic carbonate-carbon isotope trends explained by a diagenetic model forced with spatially heterogeneous organic matter fluxes (چکیده)
51 - Limitations and opportunities for Permian-Triassic carbonate-carbon isotope stratigraphy posed by microbial-controlled diagenetic mineral additions (چکیده)
52 - Mineralogy, Geochemistry, Fluid Inclusion and Oxygen Isotope Investigations of Epithermal Cu ± Ag Veins of the Khur Area, Lut Block, Eastern Iran (چکیده)
53 - U-Pb geochronology and petrogenesis of intrusive rocks: Constraints on the mode of genesis and timing of Cu mineralization in SWSK area, Lut Block (چکیده)
54 - Geofluids assessment of the Ayub and Shafa hot springs in Kope-Dagh zone (NE Iran): an isotopic geochemistry approach (چکیده)
55 - Biogenic methane and bacterial community structure in Ordovician shales, Michigan Basin, Ontario (چکیده)
56 - Origin and age of pore fluids in an Ordivician aquiclude in the Michigan Basin, Ontario (چکیده)
57 - INVESTIGATING THE ORIGIN AND INTERACTION BETWEEN SURFACE WATER AND KARSTIC GROUNDWATER IN ARJAN BASIN, LOCATED IN ZAGROS MOUNTAIN RANGE –IRAN, USING ENVIRONMENTAL ISOTOPE (18O, 2H) COMPOSITIONS (چکیده)
58 - Nakhlak carbonate-hosted Pb- (Ag) deposit, Isfahan province, Iran: A geological, mineralogical, geochemical, fluid inclusion, and sulfur isotope study (چکیده)
59 - Biomarkers in modern and buried soils of semi-desert and forest ecosystems of northern Iran (چکیده)
60 - Stable isotope geochemistry of pedogenic carbonates in loess-derived soils of northeastern Iran: Paleoenvironmental implications and correlation across Eurasia (چکیده)
61 - U–Pb zircon geochronology, Sr–Nd geochemistry, petrogenesis and tectonic setting of Mahoor granitoid rocks (Lut Block, Eastern Iran) (چکیده)
62 - Zircon U–Pb geochronology, Hf isotopes and geochemistry of intrusive rocks in the Gazu copper deposit, Iran: Petrogenesis and geological implications (چکیده)
63 - Sequence stratigraphy of the Hauterivian–Barremian time interval in land and offshore of the Bandar Abbas Area (SE Zagros, Iran) (چکیده)
64 - An Investigation of the Origin and Groundwater Discharge to Bazangan Lake, Eastern Kopet-Dagh Basin, Iran, Using Geochemistry and Stable Isotopes Approaches (چکیده)
65 - Geothermal Rreservoir Characteristics (T & D) of Ayub Peighambar and Shafa Hot Springs Using Geothermometers and Environmental 2H and 18O Isotopes (چکیده)
66 - Field and Lab Requirements for TIC/DIC and δ13C Measurements of Water Samples (چکیده)
67 - Mineralogic, fluid inclusion, and sulfur isotope evidence for the genesis of Sechangi lead–zinc (–copper) deposit, Eastern Iran (چکیده)
68 - Isotopic analysis, hydrogeochemistry and geothermometry of Tang-Bijar oilfield springs, Zagros region, Iran (چکیده)
69 - Carbonate microfacies and δ13C and δ15N systematics across the Permian-Triassic boundary near Julfa (NW Iran) (چکیده)
70 - Paleoecological changes in the Northeastern Iran, signals from carbon isotopic composition of pedogenic carbonates in loess derived soils (چکیده)
71 - Early Aptian oceanic anoxic event (OAE 1a) in Northeastern Arabian Plate setting: an example from Dariyan Formation in Zagros fold–trust belt, SE Iran (چکیده)
72 - Groundwater Mixing and Contaminant Studies Using Hydrogeochemical and Environmental Stable Isotope Techniques (چکیده)
73 - Diagenetic model of carbonate rocks of Guri Member of Mishan Formation (Lower to Middle Miocene) SE Zagros basin, Iran (چکیده)
74 - The Khopik porphyry copper-gold prospect, Lut Block, Eastern Iran: geology, alteration, mineralization, fluid inclusion, and oxygen isotope studies (چکیده)
75 - Runoff generation processes during the wet-up phase in a semi-arid basin in Iran (چکیده)
76 - Carbonate diagenesis of the upper Jurassic successions in the west of Binalud — Eastern Alborz (NE Iran) (چکیده)
77 - Effect of salt stress on carbon isetop discrimination of shoot and root of sugar beet cultivars (چکیده)
78 - Stable isotope record in pedogenic carbonates in northeast Iran: Implications for Early Cretaceous (Berriasian–Barremian) paleovegetation and paleoatmospheric P(CO2) levels (چکیده)
79 - A simple well-logging tool using boron-lined sodium iodide scintillators and an 241AM-BE neutron source (چکیده)
80 - The isotope geochemistry of water resources in Zarivar Lake area -West of Iran (چکیده)
81 - Carbon Isotope Discrimination, a Tool for Screening of Salinity Tolerance of Different Genotypes (چکیده)
82 - Investigating geochemistry and the stable isotope (δ 18O & δ 2H) composition of Karde Carbonate lake water (NE Iran) (چکیده)
83 - دز سنجی پرتوهای مصنوعی در محیط زیست با استفاده از کد MCNP (چکیده)
84 - Two-sided asymmetric subduction; implications for tectonomagmatic and metallogenic evolution of the Lut Block, eastern Iran (چکیده)
85 - Sr–Nd isotope geochemistry and petrogenesis of the Chah-Shaljami granitoids (Lut Block, Eastern Iran) (چکیده)
86 - The Meteoric Relationship for 18O and 2H in Precipitations and Isotopic Compositions of water resources in Mashhad Area (NE Iran) (چکیده)
87 - Bioattenuation in Groundwater Impacted by Landfill Leachate Traced with δ13C (چکیده)
88 - Chemostratigraphy of Frasnian-Famennian transition: Possibility of methane hydrate dissociation leading to mass extinction (چکیده)
89 - Isotopic chemostratigraphy of the microbialite-bearing Permian–Triassic boundary section in the Zagros Mountains, Iran (چکیده)
90 - Review of Age, Rb-Sr Geochemistry and Petrogenesis of Jurassic to Quaternary Igneous rocks in Lut Block, Eastern Iran (چکیده)
91 - Stable isotope aspects of modern molluscs, brachiopods, and marine cements from cool-water carbonates, Lacepede Shelf, South Australia (چکیده)
92 - Major, minor element chemistry and oxygen and hydrogen isotopic compositions of Marun oil‐field brines, SW Iran: Source history and economic potential (چکیده)
93 - Growth of MnCl2.4H2O crystals and measurement the exact percent of cobalt impurities in the crystal, using radioactive isotopes of 54MN,60Co,57Co and NMRON technique. (چکیده)
94 - Carbone Isotope Anomaly of the yellow beds in the Lower Cambrian Mila Formation in Shahmirzad, Alborz, Northern Iran (چکیده)
95 - The quality and isotope geochemistry of Garow saline water springs, Mashhad-Iran (چکیده)
96 - Application of 13C isotope and carbon geochemistry to identify impact from landfill on surrounding groundwater (چکیده)
97 - Tracing Groundwater Contamination at Landfill Sites Using Stable Isotope Technique (d18O, d2H and d13C) (چکیده)
98 - Mineralogy, Stable isotope Geochemistry and Paragenesis of Magnesite Deposits from ophiolite belt of of Eastern Iran. (چکیده)
99 - Petrography and Geochemical Signatures in Cracks Filling Calcite Sequences in Septarian Concretions, Sanganeh Formation, Kopet-Dagh Basin, NE Iran (چکیده)
100 - Quaternary mafic volcanic rocks along the Naybandan fault, Lut block, Eastern Iran (چکیده)
101 - Stable Isotopes (O, H, and S) in the Muteh Gold Deposit (چکیده)
102 - Petrography and Sulphur Isotope Studies of Pyrites in the Muteh Gold Deposit (چکیده)
103 - On the reassignment of Vibrational frequencies of Malonaldehyde (چکیده)
104 - Competition for pulsed resources: an experimental study of establishment and coexistence for an arid-land grass (چکیده)
105 - Isotopic Analysis of Ammonium (δ15N), Nitrate (δ18O & δ15N) and Dissolved Carbon (δ13C) in Landfill Leachate Plum (چکیده)
106 - Assessment of Dissolved Organic Carbon Degradation in Landfill Leachate Using Hydrogen and Carbon Isotopes (چکیده)
107 - 18O2H AND 13C ISOTOPIC COMPOSITIONS OF WATER IN TOROGH AND KARDEH DAMS, MASHHAD (چکیده)
108 - Degradation pathways of dissolved carbon in landfill leachate traced with compound-specific13C analysis of DOC (چکیده)
109 - S-C-O Isotopes, Fluid Inclusion Microthermometry, and the Genesis of Ore Bearing Fluids at Qaleh-Zar (چکیده)
110 - Characterization of CH4 production pathways and estimating the rate (چکیده)
111 - An Investigating of the origin and the groundwater discharge to Bazangan Lake, Eastern Kopet-Dagh Basin-Iran, using geochemistry and stable isotopes approaches (چکیده)
112 - Effects of Salinity on Carbon Isotope Discrimination of Shoot and Grain of Salt-Tolerant and Salt-Sensitive Wheat Cultivars (چکیده)