نتایج جستجو برای: lithium bonding
تعداد نتایج: 93090 فیلتر نتایج به سال:
The synergetic effect of lithium polysulfide and lithium nitrate to prevent lithium dendrite growth.
Lithium metal has shown great promise as an anode material for high-energy storage systems, owing to its high theoretical specific capacity and low negative electrochemical potential. Unfortunately, uncontrolled dendritic and mossy lithium growth, as well as electrolyte decomposition inherent in lithium metal-based batteries, cause safety issues and low Coulombic efficiency. Here we demonstrate...
Lithium Niobate (LN or just niobate) thin-film micro-photonic resonators have promising prospects in many applications including high efficiency electro-optic modulators, optomechanics and nonlinear optics. This paper presents free-standing thin-film lithium niobate photonic resonators on a silicon platform using MEMS fabrication technology. We fabricated a 35um radius niobate disk resonator th...
background lithium is a drug for treatment of bipolar disorder by correcting mania and reducing depressive mood swings. objectives in this study, effects of lithium on volumetric parameters of cerebellum were investigated using stereological methods. materials and methods in this experimental study, 20 sexually mature wistar male rats were selected and divided in two groups randomly (n = 10). a...
Upon insertion and extraction of lithium, materials important for electrochemical energy storage can undergo changes in thermal conductivity (${\Lambda}$) elastic modulus ($\it M$). These are attributed to evolution the intrinsic carrier lifetime interatomic bonding strength associated with structural transitions electrode varying degrees reversibility. Using situ time-domain thermoreflectance ...
Unprecedented supramolecular stacks of highly reduced geodesic pi-systems were prepared by the reduction of the derivatized fullerenes Me(5)C(60)H and Ph(5)C(60)H and corannulene with lithium metal (R(5)C(60)(5)(-)/Cor(4)(-)/9Li(+)). The host--guest assemblies form because of the enhanced electrostatic interactions between the lithium cations and the anionic moieties, in addition to the structu...
PURPOSE To report the short-term clinical outcome of a new minimally invasive prosthetic approach utilizing monolithic lithium-disilicate full crowns bonded to feather-edge tooth preparations. MATERIALS AND METHODS 235 teeth, 136 anterior and 99 posterior, requiring a full crown were prepared with a feather-edge finish line providing a minimum space on the vertical walls of 0.3 mm at the marg...
background: therapeutic effects of lithium in manic-depressive disorders have been clarified. during the present study, the effects of lithium carbonate have been assessed on apomorphine-induced sniffing in rats. materials and methods: male albino rats were housed in a glass cylinder and food and water were freely available till 60 minutes before the experiment. immediately after apomorphine in...
We present a systematic study of the geometry, energetics, electronic structure and bonding in various Al-Li clusters viz. AlnLin (n=1-11), Al2 , Al2− 2 , Al2Li, Al2Li−, and Al6Li8 using Born-Oppenheimer molecular dynamics method within the framework of density functional theory. The growth patterns in these cluster are found to be divided in two broad categories: the first consisting of a quin...
We present a systematic study of the geometries, energetics, electronic structure and bonding in various Al-Li clusters viz. AlnLin (n=1-11), Al − 2 , Al 2 , Al2Li, Al2Li , and Al6Li8 using Born-Oppenheimer molecular dynamics within the framework of density functional theory. The growth pattern in these clusters is divided in two broad categories: the first one consisting of a bent rhombus of A...
Concomitant use of lithium and E.C.T has always been accused to cause delirium in patients receiving such a combination. In this study incidence of delirium in patients who receive lithium+E.C.T. concurrently has been compared with those who have been treated with E.C.T. only. Of 49 patients who had Bipolar Mood Disorder (B.M.D.) 1 disorder (manic episode) 24 were given E.C.T.+lithium and 25 we...
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