Results 31 to 40 of about 639,607 (280)

Effect of impurities and sintering temperature on properties of MgO-CaZrO3 ceramic [PDF]

open access: yes, 2013
CaZrO3 -MgO ceramics are useful as refractories in kilns for the cement production. One method of manufacture of such ceramics is by sintering from m-ZrO2 and dolomite MgCa(CO3 )2 mixtures. In this work electrofused m-ZrO2 grains (fraction
Aglietti, Esteban Fausto   +2 more
core   +2 more sources

Propiedades estructurales, mecánicas y eléctricas de aleaciones del sistema ternario Ag-Bi-Zn

open access: yesRevista de Metalurgia, 2015
Este trabajo estudia las propiedades estructurales, mecánicas y eléctricas de aleaciones seleccionadas del sistema ternario Ag-Bi-Zn. Las aleaciones elegidas se han caracterizado por medio de difracción de rayos X, microscopía óptica, microscopía ...
Duško M. Minic   +6 more
doaj   +1 more source

Physicochemical Research of Clinically Retrieved CU-NI-TI Orthodontic Archwires

open access: yesActa Medica Bulgarica, 2021
In modern orthodontics, thermally activated archwires are used more widely in clinical practice, because they have unique properties like superelasticity and bio-compatibility.
Stoyanova-Ivanova A.   +6 more
doaj   +1 more source

Electrical Resistivity Characteristics and Mechanism of Solidified Loess Mixed with Calcium Oxide-modified Red Mud

open access: yesTaiyuan Ligong Daxue xuebao
Purposes This study focues on the resistivity characteristics and mechanism of solidified loess mixed with CaO-modified red mud. Methods The resistivity of the samples with different CaO and red mud contents and curing ages was tested.
Zhiwei SONG   +4 more
doaj   +1 more source

On-the-fly Segmentation Approaches for X-ray Diffraction Datasets for Metallic Glasses

open access: yes, 2017
Investment in brighter sources and larger detectors has resulted in an explosive rise in the data collected at synchrotron facilities. Currently, human experts extract scientific information from these data, but they cannot keep pace with the rate of ...
Hattrick-Simpers, Jason   +3 more
core   +1 more source

An Insight Analysis of Nano sized powder of Jackfruit Seed

open access: yes, 2011
The preparation of biodegradable nanomaterials by blending starch nanocrystals with various polymer matrices are the most active research. This work reports aspect related to nano-sized particles of jackfruit seed.
Alagar, M., Theivasanthi, T.
core   +1 more source

EFFECT OF METAL OXIDE ADDITIONS TO V-BASED COMPLEX OXIDE CATALYSTS ON OXIDATIVE DEHYDROGENATION OF BUT-1-ENE [PDF]

open access: yes, 2020
Buta-1,3-diene (BD), one of the most important products in the petrochemical industry, is mainly produced through the endothermic steam cracking of naphtha.
Fuku Kojiro   +5 more
core   +1 more source

Thermal annealing study of swift heavy-ion irradiated zirconia [PDF]

open access: yes, 2006
Sintered samples of monoclinic zirconia (alpha-ZrO2) have been irradiated at room temperature with 6.0-GeV Pb ions in the electronic slowing down regime.
Andrée Kahn-Harari   +7 more
core   +4 more sources

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

open access: yesFEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Improvement design of existing threshing machine at Kilang Sawit Risda, Ulu Keratong [PDF]

open access: yes, 2020
Palm oil is very important in the agricultural and economic sectors in Malaysia. It’s origin is in the tropical rain forest region of West Africa, which the main belt runs through the southern latitudes of Cameron, Cote D’ ivoire, Ghana, Liberia, Nigeria,
Chen, Chit Wee   +8 more
core   +2 more sources

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