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排序方式: 共有309条查询结果,搜索用时 15 毫秒
1.
Thompson Robert J.; Gil Karen M.; Keith Barbara R.; Gustafson Kathryn E.; George Linda K.; Kinney Thomas R. 《Canadian Metallurgical Quarterly》1994,62(4):856
Rates of poor psychological adjustment of children with sickle cell disease remained relatively constant over initial and follow-up assessment points. 50 children (aged 7–12 yrs) and their mothers completed the initial protocol. 30 children completed the follow-up plus 5 additional children and their mothers. These Ss were aged 7–24 yrs at follow-up. With initial levels of adjustment controlled, children's strategies for coping with pain accounted for a significant increment in child-reported symptoms and mother-reported internalizing behavior problems at follow-up beyond the contribution of illness and demographic parameters and follow-up interval. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
2.
Roberts D.A. Becchetti F.D. Ashktorab K. Stewart D. Janecke J. Gustafson H.R. Dueweke M.J. 《IEEE transactions on nuclear science》1992,39(4):532-535
Deuterated scintillators (NE230) can provide, without time-of-flight, usable neutron energy spectra for neutrons E n⩾1 MeV. The authors have assembled and calibrated several of these detectors and used them in experiments searching for d+d fusion-neutron emission (E n, 2.5 MeV) in Pd+D 2O electrolysis and Ti+D2 adsorption at LN temperatures. The detectors yielded direct fusion-neutron spectra and set limits in the Pd+D and Ti+D experiments of <7×10-24 fusion n/s/dd pair and <3×10-24 fusion n/s/dd pair respectively. In addition, these detectors have been used for in-beam accelerator experiments requiring coincidence between fast neutrons and scattered ions 相似文献
3.
Per Gustafson 《Metallurgical and Materials Transactions A》1988,19(10):2547-2554
A thermodynamic evaluation of the C-Cr-Fe-W system has been made using a multi-sublattice model. A set of parameter values
describing the Gibbs energy of each individual phase is given and a number of calculated sections of the C-Cr-Fe-W phase diagram
are presented and compared with experimental data.
Formerly with the Division of Physical Metallurgy, Royal Institute of Technology, Stockholm, Sweden 相似文献
4.
The mechanisms responsible for correct timing of DNA synthesis within the cell cycle and for limiting replication to one round per cell cycle are basically similar in the two model yeasts, Saccharomyces cerevisiae and Schizosaccharomyces pombe, despite many differences in detail. In both cases, the timing of initiation and the prevention of additional rounds are controlled by the activity levels of B-type cyclins. These similarities are likely to extend to other eukaryotic organisms. 相似文献
5.
Bahman Bohloli Bo Ronge Gunnar Gustafson 《Bulletin of Engineering Geology and the Environment》2002,61(1):43-47
Mechanical testing and ultrasonic measurements were used to establish the properties of metamorphic rocks in different directions
of the foliation plane. Tests were undertaken on 42 mm diameter specimens cored at right angles to the foliation of gneissic
rocks from southwest Sweden. Ultrasonic and tensile testing was carried out in three diametral directions and the data for
each direction were compared. Coefficients, failure load anisotropy and velocity anisotropy were obtained. An anisotropy coefficient
of 3% was detected by ultrasonic measurements, while the Brazilian tests indicated 15%. The study has shown that an anisotropy
coefficient of the foliation plane is present, albeit small.
Electronic Publication 相似文献
6.
7.
Pernilla Hagbert 《住房,理论和社会》2016,33(3):288-304
In addition to material, spatial and thermal standards and norms that influence the resource intensity of home environments, a key indicator of the environmental impact related to housing is found in residents’ ways of life. Of interest to the study presented in this paper is how residents’ perceptions of home and living standards relate to opinions on environmental issues and the reduction of resource use, exploring the potential and willingness to engage in low-impact ways of living. Empirical material from a questionnaire (n = 156) and interview study (n = 22) with residents in a tenant-owned housing association in Sweden provides insights into conventions and perceptions surrounding practices primarily linked to voluntary simplicity, living smaller as well as sharing spaces and resources. The study emphasizes the need for understanding residents’ perspectives and the implications this might have for targeting the resource intensity of homes in future development and policy. 相似文献
8.
Architects are a professional group that is commonly associated with creative and aesthetic work and with strong professional norms, values and identities. While such shared norms and beliefs are positive overall in terms of being constitutive of professional subject‐positions, an overemphasis on specific skills and qualities may also be regarded as a burden on members of the professional community. A study of a major Scandinavian architect office suggests that the perceived lack of creative and innovative thinking and accompanying dialogues and discussions among practising architects tends to produce cynicism and, to some extent, disappointment. As a consequence, professional ideologies may in some cases be out of joint with everyday work realities, and thereby to some extent produce expectations that are complicated to fulfil. Professional ideologies are thus both what integrates and consolidates a profession while at the same time prescribing ideal future scenarios for the professional community. 相似文献
9.
Andrew C. Weems Jeffery E. Raymond Kevin T. Wacker Tiffany P. Gustafson Brandis Keller Karen L. Wooley Duncan J. Maitland 《应用聚合物科学杂志》2015,132(23)
Three microparticle additives, tungsten (W), zirconium oxide (ZrO2) , and barium sulfate (BaSO4) were selected to enhance the radio‐opacity in shape memory polymer (SMP) foam biomaterials. The addition of filler causes no significant alterations of glass transition temperatures, density of the materials increases, pore diameter decreases, and total volume recovery decreases from approximately 70 times in unfilled foams to 20 times (4% W and 10% ZrO2). The addition of W increases time to recovery; ZrO2 causes little variation in time to shape recovery; BaSO4 increases the time to recovery. On a 2.00 mean X‐ray density (mean X.D.) scale, a GDC coil standard has a mean X.D. of 0.62 ; 4% W enhances the mean X.D. to 1.89, 10% ZrO2 to 1.39 and 4% BaSO4 to 0.74. Radio‐opacity enhancing additives could be used to produce SMP foams with controlled shape memory kinetics, low density , and enhanced X ‐ray opacity for medical materials. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132, 42054. 相似文献
10.