نتایج جستجو برای: ti and trace element such as li

تعداد نتایج: 17389219  

2006

Various evidence, including size and volume of the Siberian Traps, timing and duration of eruptions, paleotectonic and paleogeographic reconstructions, lithospheric structure, heat flow, trace element and radiogenic isotope compositions of lava are reviewed in this chapter. The major evidence may be summarized as follows. The Siberian Traps erupted in a number of brief volcanic events from the ...

Journal: :Science China-earth Sciences 2021

Trace element partitioning between coesite and hydrous silicate melt has been investigated at 5 GPa 1500−1750°C. High-P experiments successfully produced large crystals in equilibrium with pools (plus kyanite corundum some cases). Scanning electron microscopy micro-Raman spectroscopy were employed to characterize the phases textures. Wavelength-dispersive microprobe analyses performed quantify ...

2009
Jessica Heine Martin Wilkening Paul Heitjans

1. Introduction During the last years the interest in fast lithium ion conductors has considerably increased due to their promising potential applications in, e. g., smart windows, sensors and secondary ion batteries [1]. Among others, metal-doped Li 2 Ti 3 O 7 (ramsdellite structure) is currently examined as high voltage anode material for new generation Li ion batteries [2]. The present study...

Journal: :مطالعات باستان شناسی 0
هادی زندکریمی دانش آموختۀ کارشناسی ارشد باستان سنجی دانشگاه هنر اسلامی تبریز مسعود باقرزاده کثیری استادیار گروه باستان سنجی دانشگاه هنر اسلامی تبریز بهرام آجورلو استادیار گروه باستان سنجی دانشگاه هنر اسلامی تبریز بهروز عمرانی استادیار پژوهشکده سازمان میراث فرهنگی، صنایع دستی و گردشگری

stable isotope analysis, being used in many research areas, has also been applied in archaeology during the last three decades to address questions regarding the paleoclimatology and ancient diet, mobility and migration. despite the growing number of the application of stable isotope analysis in archaeological studies, there is a very few research in this regard in archaeology of iran. this res...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...

Journal: :Advanced materials 2012
Laifa Shen Evan Uchaker Xiaogang Zhang Guozhong Cao

Self-supported Li(4) Ti(5) O(12) nanowire arrays with high conductivity architectures are designed and fabricated for application in a Li-ion battery. The Li(4) Ti(5) O(12) nanowire arrays grow directly on Ti foil by a facile solution-based method, further enhancing Li-ion storage properties by creating Ti(3+) sites through hydrogenation. This configuration ensures that every Li(4) Ti(5) O(1...

2001

Di ver sos ti pos de po li es ti re no mo di fi ca dos fo ram ob ti dos atra vés da po li me ri za ção por en xer tia (graft poly me ri za ti on) de es ti re no na pre sen ça dos se guin tes mo di fi ca do res: co po lí me ro de eti le no-acetato de vi ni la (EVA); po li e ti le no de ba i xa den si da de (PE) e po li bu ta di e no (PB). Os mo di fi ca do res fo ram uti li za dos em se pa ra do...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه پلیمر و پتروشیمی ایران - پژوهشکده پتروشیمی 1389

this is an original study on the effect of a polyisobutylene – polydimethylsiloxane (pibpdms) block copolymer modifier used as an interfacial active agent on the dynamics behaviour of single newtonian drops suspended in a polyisobutylene (pib) newtonian matrix. the results were divided in two sections. the first part included the experiments carried out on the non-modified and 2% block cop...

2002
Allan H. Treiman Christopher D. K. Herd Allan Treiman David Mittlefehldt W. S. Kiefer

S — Incompatible Trace Elements in SNCs and Li Isotopes Systematics in a Shergottite J. A. Barrat, P. Beck, M. Chaussidon, Ph. Gillet, A. Jambon, C. Göpel, and V. Sautter Exploring Trace Element and Isotopic Mixing Relationships in the Martian Meteorite Suite

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1389

this study investigates the strategies native english and persian speakers employ for expressing gratitude in different situations. the strategies of persian efl learners are also compared with english strategies in order to find the differences that may exist between these two languages. social status and size of imposition of the favor are social variables which are investigated in detail for...

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