Hydrogen storage behaviors of the metal doped metal-organic frameworks, covalent organic frameworks and graphene oxide
Hydrogen storage behaviors of the metal doped metal-organic frameworks, covalent organic frameworks and graphene oxide
Materials Literature
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Low-Temperature Heat Capacities and Thermodynamic Properties of Porous Coordination Polymers [Co(AIP)(BPY)0.5·H2O]n·2nH2O
Low-Temperature Heat Capacities and Thermodynamic Properties of Porous Coordination Polymers [Co(AIP)(BPY)0.5·H2O]n·2nH2O
Performance of Positive Graphite Felt Electrode in the Lead Acid Flow Battery
The chemistry system with graphite felt electrode and a single electrolyte,lead(Ⅱ) in methanesulfonic acid was described in this paper.The effects of treatment methods on kinetics and cyclic voltammetry behavior of PbO_2/Pb(Ⅱ) couple were investigated.The results show that the equilibrium electrode potential PbO_2/Pb(…
Microstructure Characteristics and Strength-toughness of X100 Pipeline Steel
The effects of microstructure,precipitate and grain size on strength and toughness of XlOO hot rolled strips steel were investigated by means of optical microscope,scanning electronic microscopy(SEM),transmission electron microscopy(TEM) and electron backscattered diffraction(EBSD) in this article.The results show tha…
Preparation and Characterization of Ti-Supported PbO2 Electrode Doped with Rare Earth Er
Ti-supported PbO_2 electrode doped with rare earth Er was prepared by electrodeposition method.The phase composition and microstructure of PbO_2 electrodes were characterized by SEM,EDS and XRD.At the same time,EIS,VA,FP analysis and phenol degradation experiments were applied to characterize the electrodes' electroch…
Mechanical and Thermal Stabilization Properties of the Poly(vinyl chloride)/Graphene Oxide Film
The poly(vinyl chloride)(PVC)/graphene oxide sheets(GO) nanofilms with GO well dispersion were prepared by a solution mixing method.The mechanical and thermal properties of these films were investigated.The results show that the Young's modulus and the tensile strength of PVC are obviously improved and the high strain…
Preparation and Property of Oxidized Cellulose Acetate with C-6 Carboxyl Groups
Oxidized cellulose acetate with a free carboxylic acid group content of 0.93mmol/g on C-6 position of the glucose and a total degree of substitution(DS) 2.72,was prepared by oxidizing the dissolving wood pulp with TEMPO/NaCIO/NaCIO_2 and then reacted with a mixture of acetic acid and acetic anhydride with sulfuric aci…
Behaviors of Carbides in Grain–Oriented Electrical Steels during Cold Deformation
The distribution of second phase particles with carbide as main particles in conventional grain-oriented electrical steels during cold deformation processes was observed by field emission scanning electron microscopy,while the areal density of particles of different sizes were statistically determined.The results show…
Retraction Notice for “Influence of the RF Excitation of the Catalyst System on the Morphology of Multiwalled Carbon Nanotubes”
ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionRetraction Notice for “Influence of the RF Excitation of the Catalyst System on the Morphology of Multiwalled Carbon Nanotubes”Alexandru S. Biris*, Thomas C. Schmitt, Reginald B. Little*, Zhongrui Li, Yang Xu, Alexandru…
Correction to Morphology of Multi-Walled Carbon Nanotubes Affected by the Thermal Stability of the Catalyst System
ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionORIGINAL ARTICLEThis notice is a correctionCorrection to Morphology of Multi-Walled Carbon Nanotubes Affected by the Thermal Stability of the Catalyst SystemE. Dervishi, Z. Li, A. R. Biris, D. Lupu, S. Trigwell, and A. S. Biris*Cite this: Chem. Mater. 2012, 24, 17, 3…
Characterization of Azobenzene-based Photo-switches and their Evaluation for In Vivo Applications
Photoisomerization of azobenzene can be used to reversibly photo-control peptide and protein structure, thereby offering the potential to probe peptide and protein function directly in living systems. Most azobenzene photo-switches to date however require the use of UV light, which suffers from poor tissue penetration…
Organometallic Chemistry Supported by the PNP Pincer Framework for Both Early and Late Transition Metals
Tridentate "pincer" ligands provide a unique balance of stability and reactivity in organometallic chemistry. The development of diarylamido-based PNP pincer ligands has led to many applications in catalysis, including the potential to facilitate unique chemical transformations at transition metal centers. The main ob…
Solid-State NMR Characterization of the Structure and Morphology of Bulk Heterojunction Solar Cells
A bulk heterojunction, organic solar cell, composed of a blend of poly(3hexylthiophene) (P3HT) and [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM) was studied to determine the structure at the interface of the two compounds.Films of neat P3HT and the P3HT:PCBM composite where cast and annealed at elevated temperat…
Development of recommendations for selection of equipment bending pipe
В роботі наведено результати аналізу різних методик і рекомендацій з вибору універсального і спеціалізованого устаткування для гнуття труб, починаючи від найпростіших машин для ручного згинання і закінчуючи верстатами з ЧПУ
噻吩及醯亞胺系電子施體/受體高分子材料之合成、形態及其光電元件應用
Donor-acceptor (D-A) polymers have attracted significant scientific interest recently because their electronic and optoelectronic properties can be manipulated through intramolecular charge transfer (ICT). However, the correlation between the chemical structure, morphology, and optoelectronic properties has not been f…
新型复合支撑体共烧制备致密La 0.7 Ca 0.3 Cr 0.97 O 3− δ 连接体薄膜
为了解决固体氧化物燃料电池(SOFC)陶瓷连接材料的低成本制备难题, 设计了与LaCrO3基连接材料和Ni基阳极均具有良好烧结匹配性能的新型复合材料NiO/ La0.7Ca0.3Cr0.97O3−δ (LCC97)作为管式SOFC的支撑体. 详细研究了NiO含量(5wt%、25wt%、50wt%、75wt%)对复合支撑体的烧结性能、微观组织、孔隙率、电导性能、热膨胀系数等的影响, 结果表明: LCC97与NiO具有优良的烧结和化学匹配性能, NiO/LCC97(1:1, wt%)具有最优的综合性能. 以其为支撑体, 采用浆料浸渍法制备LCC97湿膜, 1400℃空气条件下共烧, 获得了致密LCC97连接材料薄膜.
Stress corrosion cracking of X65 pipeline steel in fuel grade ethanol environments
In recent years, the demand for alternatives to fossil fuels has risen dramatically, and ethanol fuel has become an important liquid fuel alternative globally. The most efficient mode of transportation of petroleum-based fuel is via pipelines, and due to the 300% increase in ethanol use in the U.S. in the past decade,…
Tracking And Quantifying Nanoparticle Contrast Agents Using Magnetic Resonance Imaging
MRI is a powerful technique that is commonly used in clinical settings. It is non-invasive, does not employ ionizing radiation, and is capable of high spatial and temporal resolution, making it ideal for a wide variety of imaging applications, both for active diagnostic applications and preventative medicine. The stra…
Optimization of Materials Selection in a Multi-Part Environment with Direct Multi-Search
Materials selection is a matter of great importance to engineering design and software tools are valuable to inform decisions in product development. When a pool of alternative materials is available for different parts, the question of what optimal material mix to select for a set of parts is not simple. In engineeri…
Adaptive Model Reduction for Thermoelastic Problems
In this paper we present a discrete a posteriori error estimate for a thermoelastic model problem approximated using the component mode synthesis (CMS) model reduction method. The problem is one-way coupled in the sense that heat transfer affects the elastic deformation, but not vice versa. The error estimate bounds t…