نتایج جستجو برای: i4

تعداد نتایج: 868  

2016
M. A. Mojid G. C. L. Wyseure S. K. Biswas

Due to increasing scarcity of fresh water, use of unconventional water source (e.g., wastewater) in irrigation has now become important. However, inclusive information on the effects of wastewater on crop production and soil health is necessary for such intervention. This study was designed to evaluate these effects by demonstrating the contribution of municipal wastewater (hereafter called was...

Journal: :Magnetic resonance letters 2022

The abnormal expansion of G-rich hexanucleotide repeat, GGGGCC (G4C2), in chromosome 9 open reading frame 72 ( C9orf72 ) is known to be the prevailing genetic cause two fatal degenerative neurological diseases, amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). It well that DNA G4C2 repeat with different lengths can form G-quadruplexes which affect gene transcription related...

Journal: :European Research Studies Journal 2021

Purpose: The main objective of this paper is to develop the I4 necessity index for quantification process improvement exigency related I4. Design/Methodology/Approach: Based on literature review and previous research, we decided a new I4N index. This not intended identify current state Industry 4.0 or company's readiness concept, but assess need implement By implementing mean mostly deployment ...

2012
Katarina Duriš Martin Jansen

Single crystals as well as microcrystalline powders of Cs2NiO2 were obtained via the azide/nitrate route from appropriate mixtures of CsN3, CsNO3 and NiO. The single-crystal structure analysis confirmed that Cs2NiO2 crystallizes in the tetragonal space group I4/mmm (Z = 2, a = 4.4090(3), c = 13.576(3) Å, R1 = 0.036, wR2 = 0.093). Above 45 K, Cs2NiO2 is paramagnetic, and an analysis based on the...

Journal: :Reliable Computing 1995
Jürgen Wolff von Gudenberg

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2011
Inga Schellenberg Matthias Eul Rainer Pöttgen

ThCr2Si2-type EuNi2Sb2 (I4/mmm, a = 438.1(1), c = 1068.1(4) pm) was synthesized by arc-melting of the elements. Magnetic susceptibility measurements show CurieWeiss behavior with an experimental magnetic moment of 8.03(1) μB/Eu atom, indicating stable divalent europium. EuNi2Sb2 orders antiferromagnetically at TN = 5.8(1) K. A 151Eu Mössbauer spectrum at 4.2 K shows two spectral components with...

2017
Dmitri Kharzeev Kirill Tuchin

We argue that long-range photon-photon attraction induced by the dipole interaction of two electron-positron loops can lead to "vacuum self-focusing" of very intense laser beams. The focusing angle Î ̧F is found to increase with the beam intensity I as Î ̧F âˆ1⁄4 I4/3; for the laser beams available at present or in the near future, Î ̧F 10-10 10-7.

2012
Shuai Zhang Hugh F. Wilson Kevin P. Driver Burkhard Militzer

Water and hydrogen at high pressure make up a substantial fraction of the interiors of giant planets. Using ab initio random structure search methods we investigate the ground-state crystal structures of water, hydrogen, and hydrogen-oxygen compounds. We find that, at pressures beyond 14 Mbar, excess hydrogen is incorporated into the ice phase to form a novel structure with H4O stoichiometry. W...

Journal: :Physical review. B, Condensed matter 1989
Hatch Stokes Aleksandrov Misyul

A comparison is made of two different approaches to the description of phase transitions in the A2BX4 structure (space group D4&, I4/mmm) due to rigid octahedral tiltings. The lower-symmetry subgroups due to coupling of the K»f (X2) and E&2~ (P4) representations (6 tilts) to other tilting modes are listed. All observed transitions in the A2BX4 structure are of the octahedral tilting types. Thes...

2003

where P ,(.\-) = 0, P,,(.\-) = I. So without loss of generality MC can take the simpler recurrence formula ( I .2), where c’,, is real and i,, , :> 0 (,I > 0). ;I\ ;I starting point for our analysis. Note that the value ol’ i, i4 irrelevant: it bill bc convenient. however. to assume i , = I. It is well known (see [3]) that P,,(.\) has II real. distinct /eras I,,, c Y,~’ < < I,,,,. Moreover. the...

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