نتایج جستجو برای: ice nucleating agents

تعداد نتایج: 414330  

Journal: :Atmospheric Chemistry and Physics 2022

Abstract. Understanding the evolution of ice phase within mixed-phase clouds (MPCs) is necessary to reduce uncertainties related cloud radiative feedback in climate projections and precipitation initiation. Both primary formation via ice-nucleating particles (INPs) secondary production (SIP) MPCs are unconstrained, not least because lack atmospheric observations. In past decades, advanced remot...

Journal: :Environmental Research Letters 2022

Abstract Cloud geoengineering approaches aim to mitigate global warming by seeding aerosols into clouds change their radiative properties and ocurrence frequency. Ice-nucleating particles (INPs) can enhance droplet freezing in clouds, reducing water content. Until now, the potential of these has been mainly studied for weather modification cirrus cloud thinning. Here, using a cloud-resolving mo...

Journal: :Nano select 2021

Abstract The solidification of two thermoplastic polyurethanes (TPU) appears as a two‐stage segregation (large‐scale allocation hard‐phase entities, short‐scale granulation in the allocated entities). Following consolidation may raise fraction. Mechanical stability requires granular morphology. Good nucleating agents (NA) temperature and shorten lifetimes granulation. They can suppress consolid...

Journal: :Atmospheric Chemistry and Physics 2022

Abstract. Precipitation over the mid-latitudes originates mostly from ice phase within mixed-phase clouds, signifying importance of initial crystal formation. Primary crystals are formed on ice-nucleating particles (INPs), which measurements suggest sparsely populated in troposphere. INPs emitted by a large number ground-based sources into atmosphere, where they can be lifted up to cloud height...

Journal: :Human reproduction 2010
Roger G Gosden Hang Yin Richard J Bodine G John Morris

BACKGROUND Ovarian tissue banking is an emerging strategy for fertility preservation which has led to several viable pregnancies after transplantation. However, the standard method of slow cooling was never rigorously optimized for human tissue nor has the extent and location of ice crystals in tissue been investigated. To address this, we used cryo-scanning electron microscopy (cryo-SEM) to st...

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