Results 31 to 40 of about 177,399 (296)

Nihilisme i educació en valors [PDF]

open access: yes, 1997
not ...
Amengual Coll, Gabriel
core  

Selective Conversion of Polyolefin Waste to Branched Alkanes via Methane‐Free Tandem Hydrocracking–Isomerization

open access: yesAdvanced Science, EarlyView.
Scheme illustrating the selective conversion of plastic waste to isomerized C4‐C12 products using RuSZ1 under different reaction conditions. ABSTRACT In recent years, catalytic hydrocracking has emerged as a promising waste‐to‐feedstock solution for processing plastic waste.
Xinbang Wu   +8 more
wiley   +1 more source

El dissenyador com a formalitzador i comunicador de valors

open access: yesTemes de Disseny, 2006
La constant exigència de nous productes per part del consumidor fa que la innovació esdevingui el motor principal dels canvis de quota de mercat entre les empreses competidores.
Jordi Pericot
doaj   +4 more sources

Joventut: valors i llibertat

open access: yesRevista Catalana de Pedagogia, 2015
La present ponència fou presentada el 28 de gener de 2015 a la sala Puig i Cadafalch de l’Institut d’Estudis Catalans (IEC) en el marc del cicle commemoratiu «Trenta anys de la Societat Catalana de Pedagogia (SCP)».
Joan Manuel del Pozo i Álvarez
doaj  

Stabilization of Single Metal Atoms on Graphitic Carbon Nitride: Synthetic Strategies and Emerging Applications

open access: yesAdvanced Science, EarlyView.
This review highlights recent advancements in stabilizing single metal atoms on graphitic carbon nitride emphasizing innovative synthesis strategies and emerging applications in electrocatalysis, photocatalysis and organic transformations, along with key challenges and future perspective. Abstract Emerging as a new frontier in catalysis science, single‐
Wenyao Zhang   +6 more
wiley   +1 more source

El que han d’ensenyar els mestres als xiquets i els pares als seus fills. El didactisme en un directori catòlic del segle XVIII

open access: yesEducació i Història: Revista d'Història de l'Educació, 2017
L’autor presenta el Directorio Catholico y Declaracion de la Doctrina Christiana de Vicente Sebastián, text que descriu el sistema de valors de la societat, la urbanitat, la ciutadania, el paper de la família i els mestres.
Vicent Sebastian Fabuel
doaj  

Classificació automàtica amb KLASS de les dades de procés d'una EDAR [PDF]

open access: yes, 2003
In this study an automatic cluster is done on data froma a Waster Water Treatment Plant to obtain specific knowledge of an ill-structured domain like biological wastewater treatment process. The whole process requires the supervision of the expert of
Flores, Xavier   +2 more
core   +1 more source

Chemical Upcycling of Polyphenylene Sulfide at Room Temperature

open access: yesAdvanced Science, EarlyView.
Poly(phenylene sulfide) (PPS) is a semi‐crystalline super engineering plastic with exceptional properties. An iron‐photocatalyzed strategy is reported for chemical upcycling of PPS plastics at room temperature using 1,2‐dichloroethane. The method demonstrates remarkable efficiency across diverse PPS resins and post‐consumer composites, even within ...
Boning Gu, Chengliang Li, Xuefeng Jiang
wiley   +1 more source

Lewis Pair‐Engineered CuMnOx as Cold‐Adapted Multinanozyme for Cooperative Hydrolytic and Oxidative Degradation of Raw Corn Stalk

open access: yesAdvanced Science, EarlyView.
A Lewis pair site design strategy was established to construct Cu‐doped Mn‐based amorphous nanozymes, where Mn and oxygen vacancies generate cooperative acid‐base pairs. The resulting multinanozyme integrates glycosidase‐, oxidase‐, and cold‐adapted enzyme‐mimicking activities, enabling cooperative depolymerization of cellulose and hemicellulose ...
Huile Liu   +8 more
wiley   +1 more source

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