نتایج جستجو برای: hm po4 xn
تعداد نتایج: 13715 فیلتر نتایج به سال:
In mammalian genomes a sixth base, 5-hydroxymethylcytosine ((hm)C), is generated by enzymatic oxidation of 5-methylcytosine ((m)C). This discovery has raised fundamental questions about the functional relevance of (hm)C in mammalian genomes. Due to their very similar chemical structure, discrimination of the rare (hm)C against the far more abundant (m)C is technically challenging and to date no...
Recently, an interest in NASICON-type materials revived, as they are considered potential cathode sodium–ion batteries used large-scale energy storage. We applied a facile technique of thermal nanocrystallization glassy analogs these compounds to enhance their electrical parameters. Six nanomaterials the Na3M2(PO4)2F3 (M = V, Ti, Fe) system were studied. Samples with nominal compositions Na3V2(...
Geoactive soil fungi were investigated for phosphatase-mediated uranium precipitation during growth on an organic phosphorus source. Aspergillus niger and Paecilomyces javanicus were grown on modified Czapek-Dox medium amended with glycerol 2-phosphate (G2P) as sole P source and uranium nitrate. Both organisms showed reduced growth on uranium-containing media but were able to extensively precip...
Single crystals of magnesium copper(II) bis-[orthophosphate(V)] monohydrate, Mg1.65Cu1.35(PO4)2·H2O, were grown under hydro-thermal conditions. The crystal structure is formed by three types of cationic sites and by two unique (PO4)(3-) anions. One site is occupied by Cu(2+), the second site by Mg(2+)and the third site by a mixture of the two cations with an Mg(2+):Cu(2+) occupancy ratio of 0.6...
Removal efficiency of COD, NH4-N and PO4-P and NO3-N in five step SBR processes is widely influenced by hydraulic retention time of Anaerobic/Anoxic/Aerobic/Anoxic/Aerobic step of this system where the hydraulic retention time in each step is influence directly on removal efficiency of this system therefore the operator of this system cannot control on this system without experience or a contro...
A low-voltage plateau at ∼0.3 V is discovered for the deep sodiation of Na3V2(PO4)3 by combined computational and experimental studies. This new low-voltage plateau doubles the sodiation capacity of Na3V2(PO4)3, thus turning it into a promising anode for Na-ion batteries.
Streams alter the concentration of nutrients they transport and thereby influence nutrient loading to estuaries downstream; however, the relationship between in-stream uptake, discharge variability, and subsequent nutrient export is poorly understood. In this study, in-stream N and P uptake were examined in the stream network draining a row-crop agricultural operation in coastal North Carolina....
The combination of specific mechanical, esthetic, and chemical properties is decisive for the application of materials in prosthodontics. Controlled twofold crystallization provides a powerful tool to produce special property combinations for glass-ceramic materials. The present study outlines the potential of precipitating Ca5(PO4)3F as well as Sr5(PO4)3F as minor crystal phases in Li2Si2O5 gl...
In this paper, we present an efficient cryptanalysis of the socalled HM cryptosystem which was published at Asiacrypt’1999, and one perturbed version of HM. Until now, this scheme was exempt from cryptanalysis. We first present a distinguisher which uses a differential property of the public key. This distinguisher permits to break one perturbed version of HM. After that, we describe a practica...
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