Results 51 to 60 of about 232,557 (212)

Effect of Freeze-Thaw Cycles Method to Transfersome Characteristics for Growth Protein Encapsulation

open access: yesInternational Journal of Technology
Transfersome, a lipid-based nanovesicle, can be a suitable tool to improve the delivery of valuable growth factors. Through transfersome technology, growth factors and active compounds can be transferred transdermally without the need for invasive ...
Apriliana Cahya Khayrani   +4 more
doaj   +1 more source

Correlating Freeze-Up and Break-Up with Weather Conditions

open access: yesCanadian Geotechnical Journal, 1965
The results of studies on the relation between freeze-up, break-up and weather conditions for a small fresh-water lake in the Ottawa area are reported. Techniques using air temperature records for estimating when a solid ice-cover will form on the lake are investigated.
openaire   +3 more sources

Bromegrass in Alaska. II. Autumn Food-Reserve Storage, Freeze Tolerance, and Dry-Matter Concentration in Overwintering Tissues as Related to Winter Survival of Latitudinal Ecotypes [PDF]

open access: yes, 1993
The objective of this study was to acquire improved understanding of factors that influence winter survival of bromegrass (Bromus spp.) at northern latitudes.
Klebesadel, Leslie J.
core  

Assessment of changes in the characteristics of the ice regime of the Lower Yenisei in contemporary climatic conditions

open access: yesВодное хозяйство России: проблемы, технологии, управление
The area of Lower Yenisei is a part of the Russian Arctic territory, which is sensitive to modern changes of climatic conditions. Many types of economic activities are associated with the timing and duration of ice phenomena on the rivers of the Arctic ...
Vladimir V. Zuev   +3 more
doaj   +1 more source

Selection of Parameters and Architecture of Multilayer Perceptrons for Predicting Ice Coverage of Lakes

open access: yesEkológia (Bratislava), 2017
The ice cover on lakes is one of the most influential factors in the lakes’ winter aquatic ecosystem. The paper presents a method for predicting ice coverage of lakes by means of multilayer perceptrons.
Baklagin Nikolaevich Vyacheslav
doaj   +1 more source

Ice Freeze-up and Break-up Detection of Shallow Lakes in Northern Alaska with Spaceborne SAR

open access: yesRemote Sensing, 2015
Shallow lakes, with depths less than ca. 3.5–4 m, are a ubiquitous feature of the Arctic Alaskan Coastal Plain, covering up to 40% of the land surface. With such an extended areal coverage, lakes and their ice regimes represent an important component of ...
Cristina M. Surdu   +3 more
doaj   +1 more source

A Study of the Freezing Cycle in an Alaskan Stream : A Completion Report [PDF]

open access: yes, 1973
The work upon which this report is based was supported in part by funds (Proj. A-012-ALAS) provided by the United States Department of the Interior, Office of Water Resources Research, as authorized under the Water Resources Act of 1964, as ...
Benson, Carl S.
core  

Modern characteristics of the ice regime of the Lower Yenisei

open access: yesВодное хозяйство России: проблемы, технологии, управление
In the current conditions of climate change, the relevance of the rivers’ ice regime studies is growing. Special features of rivers’ ice regime are a significant component of the transport infrastructure use and, as a consequence, social/economic ...
Vladimir V. Zuev   +2 more
doaj   +1 more source

Responses of Biennial Sweetclovers of Diverse Latitudinal Adaptation to Various Management Procedures in Alaska [PDF]

open access: yes, 1994
This report summarizes eight experiments with sweetclover (Melilotus species). Objectives were (a) determine responses of numerous cultivars and strains, representing a wide range of latitudinal adaptation, to various management procedures, (b ...
Klebesadel, Leslie J.
core  

The Argument Against a Government Resolution Authority [PDF]

open access: yes, 2009
Argues against the proposal to authorize government agencies to resolve failed or failing "systemically important" nonbank financial institutions as a way to avoid systemic breakdowns.
Peter J. Wallison
core  

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