Results 51 to 60 of about 234,076 (307)

Keggin‐Type Aluminum Polyoxometalate‐Mediated Oxidation of Amorphous Carbon for Engineered Electrochemical Interfaces

open access: yesCarbon Energy, EarlyView.
Keggin‐type Al‐POM‐coated silica achieves selective surface oxidation of amorphous carbon through electrostatic attraction and proton‐coupled oxidation, tailoring interfacial properties for lithium‐ion batteries and semiconductor processes. ABSTRACT Amorphous carbon is widely used in energy storage and semiconductor technologies, where surface ...
Ganggyu Lee   +13 more
wiley   +1 more source

Güvenlik Güçlerinde Sosyal Medya Kullanımı: Bingöl Emniyet Müdürlüğü Örneği

open access: yesOnline Academic Journal of Information Technology, 2014
Bu çalışma Bingöl Emniyet Müdürlüğü’nün sosyal medya kullanımına karşı davranışı, sosyal medyanın polisin itibarına etkisi, polis-halk ilişkileri, ve sosyal medyanın nasıl daha etkili olabileceği konularını araştırmaktadır.
Mutlu Köseli   +2 more
doaj   +1 more source

Perlakuan Akuntansi Yang Tepat Dalam Menentukan Cadangan Premi Guna Penyajian Laporan Keuangan Yang Wajar Pada PT. Asuransi X Di Surabaya [PDF]

open access: yes, 1998
Dengan semakin berkembangnya dunia usaha, badan usaha asuransi yang bergerak di bidang jasa mencoba untuk melaju mengikuti perkembangan sebagai badan usaha di bidang jasa.
Lismanto, Lie Christina
core  

Probability prediction of true‐triaxial compressive strength of intact rocks based on the improved PSO‐RVM model

open access: yesDeep Underground Science and Engineering, EarlyView.
In this work, we propose an improved particle swarm optimization (PSO) algorithm and develop an improved PSO‐relevance vector machine (RVM) model as a substitute for traditional true‐triaxial testing. The model's high prediction accuracy was validated through comparisons with two other machine learning methods and five three‐dimensional Hoek–Brown type
Qi Zhang   +4 more
wiley   +1 more source

An Analytical Finite Integration-Based Approach for Thick Laminations Eddy-Current Losses Calculation

open access: yesIEEE Access
Electrical steel sheets are widely used in the manufacture of electrical machine cores, and the associated electrical and magnetic losses contribute significantly to the efficiency of electromagnetic energy conversion devices.
Danilo Gartner Aurich   +4 more
doaj   +1 more source

Do "polites" ao "kosmopolites" [PDF]

open access: yes, 2009
En este artículo, el autor se propone abordar los cambios políticos, económicos y sociales que han caracterizado la sustitución del mundo de la polis por la realidad más amplia de los reinos helenísticos.
Leão, Delfim F.
core   +1 more source

Motion planning and control of an installation robot for attitude adjustment of arc parts in underground shield tunneling

open access: yesDeep Underground Science and Engineering, EarlyView.
Inspired by spiders, the multilegged walk‐through assembling robot for arc parts achieves high‐precision synchronous control under heavy loads through dual‐layer hydraulic pose dynamics modeling and hierarchical pressure optimization, significantly enhancing shield tunneling assembly efficiency and precision.
Quan Xiao   +5 more
wiley   +1 more source

Penyertaan penuntut tingkat imej PDRM [PDF]

open access: yes, 2010
Idea pemikiran lateral penuntut universiti yang menyertai pasukan sukarelawan polis dapat memberikan input bagi menambah baik uasaha dan imej pasukan Polis diraja Malaysia (PDRM)
Sinar Harian,
core  

Research progress and current status of dynamic wave propagation characteristics in rock mass: A review

open access: yesDeep Underground Science and Engineering, EarlyView.
This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu   +8 more
wiley   +1 more source

Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth

open access: yesGeophysical Monograph Series, Page 137-165., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov   +3 more
wiley  

+8 more sources

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