Results 51 to 60 of about 571,911 (294)

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

Understanding and Tuning Mobile Interfaces in Ferroelectric Hf0.5Zr0.5O2 Thin Films in Relation to Microstructure

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectricity in thin HfO2‐based films offers great possibilities for next‐generation neuromorphic memory devices. There, the response to subcoercive voltage signals is driven by the movement of mobile interfaces and their interaction with crystal defects – a yet rather unexplored aspect, which we shed light on and gain new insights into the complex
Maximilian T. Becker   +11 more
wiley   +1 more source

A Review on the Clinical Laboratory Personnel in North Korea

open access: yesKorean Journal of Clinical Laboratory Science, 2020
There is a noticeable gap in the personnel structures of clinical laboratories between North Korea and South Korea. In North Korea, ‘Laboratory Doctor’ is similar to the workforce of ‘Medical Technologist (commonly known as Clinical Laboratory ...
Bon-Kyeong Koo   +3 more
doaj   +1 more source

Prospects for North Korean Regime and the Interests of Russia

open access: yesМеждународная аналитика, 2019
The paper deals with the dynamics of home and foreign policy of North Korea under Kim Jong-un leadership, especially in last several years. Analyzed are new trends in and prospects for the development of the situation on the Korean Peninsula in the ...
Valeriy Denisov
doaj   +1 more source

Drug‐Free Thrombolysis Mediated by Physically Activated Micro/Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
Overview of particle‐mediated thrombolytic effects (thermal, mechanical, and chemical) and their activating physical stimuli (light, ultrasound, and magnetic field) in drug‐free thrombolysis. ABSTRACT Thrombus‐associated disorders rank among the world's leading causes of death, with ischemic heart disease and stroke as the main contributors.
Pierre Sarfati   +2 more
wiley   +1 more source

Coping with a Nuclear North Korea [PDF]

open access: yes, 2006
"China is the biggest loser with a nuclear North Korea." Zhang Liangu is professor of international strategic research at the Party School of the China Communist Party Central ...
Zhang Liangui
core  

Dispensing Volumetric Additive Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
Dispensing volumetric additive manufacturing (DVAM) prints 3D structures inside a photocurable resin droplet suspended from the tip of a glass pipette, enabling sequential printing without resin vats or manual part removal. Real‐time droplet profiling and ray‐tracing‐based correction compensate for optical distortion at the curved resin‐air interface ...
Hongryung Jeon   +5 more
wiley   +1 more source

Four factors in the “special relationship” between China and North Korea: a framework for analyzing the China–North Korea Relationship under Xi Jinping and Kim Jong-un

open access: yesJournal of Contemporary East Asia Studies, 2020
Background Analyzing North Korea is essential for examining international relations in East Asia as a whole, but North Korea’s tight control over information makes this difficult.
Masahiro Hoshino, Shunji Hiraiwa
doaj   +1 more source

INVESTIGATION OF DEFORESTATION USING MULTI-SENSOR SATELLITE TIME SERIES DATA IN NORTH KOREA [PDF]

open access: yes, 2017
Department of Urban and Environmental Engineering(Environmental Science and Engineering)North Korea is very vulnerable to natural disasters such as floods and landslides due to institutional, technological, and other various reasons. Recently, the damage
Jang, Yeeun
core  

X‐Functionality–Driven Photocatalytic Hydrogen Evolution in 2D 4‐X‐PEA2SnI4 Perovskites

open access: yesAdvanced Functional Materials, EarlyView.
We report a water‐based synthesis of 2D 4‐X‐PEA2SnI4 perovskite microcrystals with prominent photocatalytic (PC) activity for H2 production. The synergy between organic functionalization and HI‐derived iodide scavenges holes suppress octahedral distortion, and favor electron accumulation, enabling a PC H2 evolution ∼20 µmol·g−1 and long‐term stability ...
Taeyeon Kim   +21 more
wiley   +1 more source

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