scholarly journals U-50Zr Microstructure and Property Assessment for LWR Applications

2021 ◽  
Author(s):  
Geoffrey Beausoleil ◽  
Mahmut Cinbiz ◽  
Tiankai Yao ◽  
Yachun Wang ◽  
Fidelma Di Lemma ◽  
...  
Keyword(s):  
2021 ◽  
pp. 0272989X2110107
Author(s):  
David Forner ◽  
Christopher W. Noel ◽  
Laura Boland ◽  
Arwen H. Pieterse ◽  
Cornelia M. Borkhoff ◽  
...  

Objective Shared decision making integrates health care provider expertise with patient values and preferences. The MAPPIN’SDM is a recently developed measurement instrument that incorporates physician, patient, and observer perspectives during medical consultations. This review sought to critically appraise the development, sensibility, reliability, and validity of the MAPPIN’SDM and to determine in which settings it has been used. Methods This critical appraisal was performed through a targeted review of the literature. Articles outlining the development or measurement property assessment of the MAPPIN’SDM or that used the instrument for predictor or outcome purposes were identified. Results Thirteen studies were included. The MAPPIN’SDM was developed by both adapting and building on previous shared decision making measurement instruments, as well as through creation of novel items. Content validity, face validity, and item quality of the MAPPIN’SDM are adequate. Internal consistency ranged from 0.91 to 0.94 and agreement statistics from 0.41 to 0.92. The MAPPIN’SDM has been evaluated in several populations and settings, ranging from chronic disease to acute oncological settings. Limitations include high reading levels required for self-administered patient questionnaires and the small number of studies that have employed the instrument to date. Conclusion The MAPPIN’SDM generally shows adequate development, sensibility, reliability, and validity in preliminary testing and holds promise for shared decision making research integrating multiple perspectives. Further research is needed to develop its use in other patient populations and to assess patient understanding of complex item wording.


1982 ◽  
Vol 58 (2) ◽  
pp. 100-103
Author(s):  
G. D. Puttock

The Canadian Income Tax Act and Regulations recognize five classes of forest property, three of which are considered to be bona fide farming operations.Whereas forest income is usually considered to be business income, the income from tree farming operations and corresponding forest management expenses receive a more favourable tax treatment. This has the effect of encouraging individuals to undertake forest management activities on their lands.The Province of Ontario, however, does not currently recognize tree farming as a bona fide farming operation for property assessment purposes. Forest lands are assessed at the highest value which could be obtained for them on the open market, whereas farm-lands are assessed at a value that could be obtained for them if they continue to be used for farming purposes; a value usually lower than the market value of non-farm-lands. This would indicate that if land previously classified as farm-land were afforested, such land would be taxed at a higher rate.


2013 ◽  
Vol 16 (6) ◽  
pp. 913-919 ◽  
Author(s):  
Rodolfo B. Anchieta ◽  
Marta Baldassarri ◽  
Fernando Guastaldi ◽  
Nick Tovar ◽  
Malvin N. Janal ◽  
...  

1991 ◽  
Vol 62 (8) ◽  
pp. 1995-1998 ◽  
Author(s):  
D. A. Hutchins ◽  
R. P. Young

Vestnik MEI ◽  
2021 ◽  
Vol 2 (2) ◽  
pp. 11-19
Author(s):  
Anton N. Efremov ◽  
◽  
Aleksey A. Dudolin ◽  

The existing method for selecting the structure of a power plant for thermally recycling municipal solid waste (MSW) in the Russian Federation does not address the matter of selecting all components of an energy complex operating on MSW, but places focus on determining the best accessible waste thermal neutralization technology. This generates the need to search for new methods and to select criteria of choosing the structure for each particular project. A comparative analysis of various structural schemes of waste-to-energy plants widely used outside of Russia will make it possible to reveal their main advantages and drawbacks, and to determine their application fields. The article describes the statistical indicators characterizing the operation of the flue gas purification system from acid gases, which can be applied in performing a feasibility study, intellectual property assessment, and in carrying out front-end engineering. For waste-to-energy plants constructed in an urban environment and aimed to operate with keeping to a minimum the gross emissions of acid gases into the atmospheric air, the use of a wet reactor system is recommended, which will ensure low emissions of HF, HCl, and SOx. The system with a wet reactor will make it possible to reduce gross emissions of harmful substances during the operation of large capacity waste-to-energy power plants and will be a justified choice in such case. In constructing medium capacity waste-to-energy plants (with a throughput of up to 350 000 t of MSW per annum), semi-dry and dry reactors can be used; for such plants, the technology involving the use of a semi-dry reactor is the most preferred one.


2018 ◽  
Vol 18 (7) ◽  
pp. 4746-4754 ◽  
Author(s):  
P Bargavi ◽  
S Chitra ◽  
D Durgalakshmi ◽  
P Rajashree ◽  
S Balakumar

Nanomaterials ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. 805 ◽  
Author(s):  
J. Elliott Sanders ◽  
Yousoo Han ◽  
Todd S. Rushing ◽  
Douglas J. Gardner

Poly (vinyl alcohol) (PVA) and cellulose nanocrystals (CNC) random composite mats were prepared using the electrospinning method. PVA/CNC mats were reinforced with weight concentrations of 0, 20 and 50% CNC (w/w) relative to PVA. Scanning electron microscopy was used to measure the fiber diameter, which ranged from 377 to 416 nm. Thermogravimetric analysis (TGA) confirmed the presence of CNC fibers in the mat fibers which were not visible by scanning electron microscope (SEM). Mechanical testing was conducted using ASTM D 638 on each sample group at 10 mm min−1. Neat PVA and PVA/CNC mats were heat treated at 170 °C for 2h hours, and the morphological structure was maintained with some fiber diameter reduction. Mechanical property results after heat treatment showed a decrease in tensile strength, an increase in tensile stiffness and a decrease in strain to yield (%). This effect was attributable to enhanced diffusion bonding of the mat fiber intersections. The CNC fibers also increased mat stiffness, and reduced strain to yield in non-treated mats. The use of CNCs show potential for compounding into bulk polymer composites as a reinforcement filler, and also show promise for chemical crosslinking attributable to the –OH groups on both the PVA, in addition to esterification of the vinyl group, and CNC.


2017 ◽  
Vol 2 (3) ◽  
pp. 5-17 ◽  
Author(s):  
Christopher De Sousa

The reuse of brownfields as locations for urban intensification has become a core strategy in government sustainability efforts aimed at remediating pollution, curbing sprawl and prioritizing renewal, regeneration, and retrofitting. In Ontario, Canada’s most populous, industrialized, and brownfield-laden province, a suite of progressive policies and programs have been introduced to not only facilitate the assessment and remediation of the brownfields supply, but to also steer development demand away from peripheral greenfields and towards urban brownfields in a manner that considers a wider regional perspective. This article examines the character and extent of brownfields infill development that has taken place in three Ontario cities (Toronto, Waterloo, and Kingston) since the provincial policy shift in the early 2000s. Using property assessment data and cleanup records, the research finds that redevelopment activity has been extensive in both scale and character, particularly in Toronto where the real estate market has been strong. While the results are promising in terms of government efforts to promote smarter growth that builds “in and up” instead of out, they also reveal that government could be doing more to facilitate redevelopment and influence its sustainability character, particularly in weaker markets.


Author(s):  
A. E. Bokov ◽  
S. G. Mlyavykh ◽  
A. A. Bulkin ◽  
A. Y. Aleynik ◽  
M. V. Rasteryeva

Background. It is reported that radiodensity measured in Hounsfield units becomes more and more popular in bone property assessment, however also mismatch with DXA results is observed.Purpose. The aim of this study is to evaluate the relationships between the results of DXA and CT with a focus on explanations for observed discrepancies.Material and methods. This is a cross-sectional study; forty patients were enrolled, all patients underwent DXA and CT. A bone mineral density BMD (g/cm2 ) was calculated for each vertebra of a lumbar spine (L1-L4 inclusive), neck, upper neck, shaft, Wards triangle and trochanter of hip. Bone radiodensity in HU was taken from each vertebral body in the sagittal, axial and coronal planes. A total vertebra body radiodensity including cortical bone and radiodensity of only cancellous bone were calculated. To assess a potential impact on DXA and CT data agreement a mean radiodensity and square of the right and left vertebral pedicles and facet joints were measured for each vertebra.Results. A strong correlation between BMD measured using DXA and CT data was estimated with a multiply r accounting for 0,84169, p<0,0001, however the most contributing parameters were those calculated for facet joints. It has been detected that both radiodensity of only a cancellous bone and total have a weak correlation with matching BMD measurements of a proximal femur.Conclusion. The results of DXA could be strongly influenced by hypertrophic changes of facet joints. Both CT and DXA measurements taken from a lumbar spine may have a mismatch with figures taken from hip. 


Sign in / Sign up

Export Citation Format

Share Document