Results 111 to 120 of about 790,991 (337)

PERBANDINGAN HASIL BELAJAR MATEMATIKA DENGAN PENGGUNAAN PLATFORM WHATSAPP GROUP DAN WEBINAR ZOOM DALAM PEMBELAJARAN JARAK JAUH PADA MASA PANDEMIK COVID 19

open access: yesJIPMat, 2020
Tujuan dalam penelitian ini adalah untuk mengetahui hasil belajar matematika mana yang lebih baik, dengan whatsapp group atau webinar zoom dan seberapa efektifnya kedua Platform tersebut dalam Masa Pandemi Covid-19.
J. Kusuma, H. Hamidah
semanticscholar   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

Synchrotron Radiation for Quantum Technology

open access: yesAdvanced Functional Materials, EarlyView.
Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader   +10 more
wiley   +1 more source

Design of a variable-focal-length optical system [PDF]

open access: yes
Requirements to place an entire optical system with a variable focal length ranging from 20 to 200 cm within a overall length somewhat less than 100 cm placed severe restrictions on the design of a zoom lens suitable for use on a comet explorer.
Ricks, D., Shannon, R. R.
core   +1 more source

The Multi-Strand Graph for a PTZ Tracker

open access: yes, 2015
High-resolution images can be used to resolve matching ambiguities between trajectory fragments (tracklets), which is one of the main challenges in multiple target tracking.
Cai, Yinghao   +3 more
core   +1 more source

Cu‐Based MOF/TiO2 Composite Nanomaterials for Photocatalytic Hydrogen Generation and the Role of Copper

open access: yesAdvanced Functional Materials, EarlyView.
HKUST‐1/TiO2 composite materials show a very high photocatalytic hydrogen evolution rate which increases as a function of the irradiation time until reaching a plateau and even surpasses the performance of the 1%Pt/TiO2 material after three photocatalytic cycles.
Alisha Khan   +9 more
wiley   +1 more source

SILCC-ZOOM: The early impact of ionizing radiation on forming molecular clouds

open access: yes, 2018
As part of the SILCC-ZOOM project we present our first sub-parsec resolution radiation-hydrodynamic simulations of two molecular clouds self-consistently forming from a turbulent, multi-phase ISM. The clouds have similar initial masses of few 10$^4$ M$_{\
Dinnbier, Frantisek   +5 more
core   +1 more source

A New Memory Effect in Bulk Crystals of 1T‐TaS2

open access: yesAdvanced Functional Materials, EarlyView.
A new memory effect is discovered in 1T‐TaS₂, appearing as a temperature shift in the metal to insulator transition, coinciding with the recently reported ramp reversal memory. These findings imply that ramp reversal memory is an emergent phenomenon, likely to appear in many different systems that share a few basic properties, which are discussed in ...
Avital Fried   +4 more
wiley   +1 more source

Playful Learning in Actor Training: The Impact of COVID-19 on Spontaneity and Intuition

open access: yesCritical Stages, 2021
The ability to readily access creative imagination is an essential tool for the actor. Games and playful approaches to learning are vital to enable the actors’ learning space in both traditional and non-traditional settings.
Anna McNamara
doaj  

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