1,222 research outputs found
Medical Treatment Using the Scottish Incapacity Act: Will it Work?
The Adults with Incapacity (Scotland) Act 2000 was one of the first pieces of legislation passed by the Scottish Parliament. It is a major and significant Act that repeals and replaces many outdated pieces of legislation and brings the broad spectrum of incapacity issues under one single legislative framework. It is being implemented on a phased basis and can be viewed on the internet at http://www.scotland.gov.uk/justice/incapacity. This paper examines the major provisions of the Act, focusing on some of the difficult issues surrounding treatment and research
The effects of supplemental fat and methionine hydroxy analogue on cellulose digestion in wether lambs
"The purpose of this study was to determine the effects of different levels of two types of fat on cellulose diges tion in lambs on a poor quality roughage. Methionine hydroxy analogue, the alpha keto acid of methionine, was studied to determine its effect on a low sulfur ration made up of natural feeds."--Page
The heritability of health-related traits in Holstein cattle
Typescript (photocopy) Thesis (M.S.)--Iowa State University, 1987. Includes bibliography
Remote Sensing Enhanced Motor Vehicle Emissions Control for Pollution Reduction in the Chicago Metropolitan Area: Siting and Issue Analysis
Recommended from our members
Bioenergetics-based predator-prey relationships between piscivorous birds and juvenile salmonids in the Columbia River estuary
This dissertation focuses on the predator-prey relationship between two species of avian predators, Caspian terns (Hydroprogne caspia) and double-crested cormorants (Phalacrocorax auritus), and one of their important prey types, juvenile salmonids (Oncorhynchus spp.), in the Columbia River estuary of Oregon and Washington states during the period 1998 – 2007. I used a data-rich bioenergetics framework to estimate juvenile salmonid consumption by these two avian predators, assessed impacts to at-risk salmonid populations by estimating salmonid mortality rates due to avian predation, and estimated potential demographic benefits to salmonids if avian predation were reduced. The managed relocation of the Caspian tern colony from Rice Island to East Sand Island, lower in the Columbia River estuary, reduced tern predation on salmonids from over 11 million smolts consumed annually to 4 – 7 million, but those benefits accrued primarily to sub-yearling Chinook salmon (O. tshawytscha). Combined consumption of juvenile salmonids by Caspian terns and double-crested cormorants in the Columbia River estuary was ca. 7 – 15 million smolts per year during 2006-2007, causing an 8 – 17% mortality rate among smolts
migrating through the estuary, with higher mortality rates for steelhead (O. mykiss) and coho salmon (O. kisutch). Under a potential management scenario to reduce avian predation by both species, improvements in the average annual population growth rate (λ) of salmonids ranged from 0.4% for sub-yearling Chinook to 3.1% for coho. These improvements are generally less than what is possible from altered hydropower system operation within the Columbia Basin for salmonid populations that are more severely affected by dams. For a few salmonid populations, reduced avian predation might contribute to stabilizing the population (λ = 1), but would need to be part of a broader recovery strategy to ensure population growth and recovery (λ > 1).
Climate was an important factor modulating Caspian tern predation on salmonids, with greater consumption of smolts occurring in years of cooler ocean conditions and higher Columbia River flows. Climate did not contribute to variation in consumption of salmonids by cormorants, perhaps due to the larger effect of growth in the size of the cormorant colony during the study period. Due to current trends in colony size (terns: stable, cormorants: increasing) and the planned dispersal of a portion of the tern population, cormorant predation will likely be a more significant mortality factor for Columbia Basin salmonids in the future than will tern predation. A critical unknown factor remains; that is the degree to which reductions in avian predation on salmonids might be compensated for by other salmonid mortality factors
Important Updates to Submission Types in Topics in Exercise Science and Kinesiology
Topics in Exercise Science and Kinesiology Volume 2: Issue 1, Article 1, 2021. While Topics in Exercise Science and Kinesiology (TESK) was originally designed to fill a void in publishing applied information for practitioners in physical activity and sport, the TESK editors have determined a need to update the submission categories. The categories of Process of Science and Implementation Strategies have been retained, and three new types of submissions now will be accepted: Expedited Articles, Review Articles, and Case Studies. Process of Science submissions should seek to answer the question, “What was learned from the experience of performing the investigation?”, while Implementation Strategies should address, “How can what was carried out be explained?” Required elements for both submission types are outlined along with guidelines for conducting peer-reviews. Expedited Articles can be submitted to TESK and undergo an accelerated review by the editors. Required elements and the peer review processes are also outlined for Review Articles and Case Studies
Peroxide-cured HFP boosts cure rate, demolding
Executive summary Fluoroelastomers having a monomer composition of tetrafluoroethylene (TFE), hexafluoropropylene (HFP) and vinylidene fluoride (VF2) with an incorporated cure site monomer that allows peroxide crosslinking have grown in commercial significance in the past 20 years since the introduction of Viton GF in 1980. While these FKM terpolymers show improved water, steam and acid resistance, the need to peroxide crosslink them has caused processing problems such as mold sticking and poor hot tear resistance. This paper will introduce a new generation of peroxide-cured HFP-containing fluoroelastomers, which use a new, unique improved cure site monomer system. These ICSM containing products give much faster cure rates, low mold fouling and improved hot-demolding properties. In addition, they provide improved compression set resistance, even when not postcured, and enhanced aqueous media resistance. Processing and end-use data will highlight the utility of these new type fluoroelastomers. TECHNICAL NOTEBOOK Edited by Harold Herzlich Fluoroelastomer terpolymers having a structure of hexafluoroproplyene (HFP), tetrafluoroethylene (TFE) and vinylidene fluoride (VF2) have been used since the 1960s in a variety of industrial and automotive applications. The general chemical structure of these polymers is shown in In the mid-1970s a breakthrough in cure systems became available to the fluoroelastomer chemist, an FKM terpolymer with incorporated cure site monomer (CSM) that was sensitive to a peroxide/coagent cure system These peroxide-cured types of FKM were introduced at the San Francisco Rubber Division/ACS meeting by Finlay, MacLachlan and Hallenbeck1,2 in 1976, and in 1980, Bauerle and Finlay3 introduced an improved ~70-percent fluorine version of this type of FKM called Viton GF. Later, 68-percent fluorine versions of these elastomers called GBL900 and GBL200 were introduced by Tabb and Stevens4 at the Los Angeles Rubber Division/ACS meeting in 1985. These new peroxide-cured types of fluoroelastomer had several advantages in end-use properties, specifically in the area of fluids resistance. The peroxidecured polymers do not depend on strong metal bases such as magnesium oxide to dehydrohalogenate the backbone at the VF2-HPF site to initiate a double bond for the crosslinking reaction, rather they crosslink through a cure site monomer by use of a coagent that is activated by a peroxide. These peroxide-cured FKMs are known to have improved water, steam, acid and amine additive resistance when compared to conventional bisphenol-cured types of fluoroelastomers. While the end-use properties of peroxide-cured FKM are quite impressive, the processability of compounds suffers from the use of this cure system. Mold sticking and reduced hot tear strength are two problems that can be observed when processing peroxide-cured FKM. These problems led to more production scrap and higher part costs for peroxidecured FKMs
- …