نتایج جستجو برای: deterioration process

تعداد نتایج: 1340912  

2015
W. Hao H. L. Wang T. T. Ning F. Y. Yang C. C. Xu

The present experiment evaluated the influence of moisture level and anaerobic fermentation on aerobic stability of total mixed ration (TMR). The dynamic changes in chemical composition and microbial population that occur after air exposure were examined, and the species of yeast associated with the deterioration process were also identified in both non-fermented and fermented TMR to deepen the...

Journal: :Coatings 2022

Corrosion is a natural process of deterioration and an extremely costly problem [...]

Journal: :Journal of neurology, neurosurgery, and psychiatry 1951
M B ELVIN R C OLDFIELD

The relations between language and thought in the normal person, and the connexion between the forms of their disturbance in the dysphasic, are questions which have aroused much discussion and little conclusion. But at least it would seem clear that the nearer an individual's daily occupation approaches to the purely intellectual, the more it is likely to be impeded by even a mild degree of dys...

2005
Catherine Krull Frank Trovato

The province of Quebec, historically known for its unusually high reproductive levels, has in the past few decades experienced a spectacular fertility decline. This more or less abrupt decline in fertility has corresponded with the socioeconomic transformation of this French-speaking province into a modern society. This paper presents a path analysis of period structural factors on fertility ch...

Journal: :Journal of medical genetics 1975
R Stern R Eldridge

Reaction to medical, social, and genetic implications of Huntington's disease was evaluated by means of a questionnaire mailed to members of a lay organization concerned with this disease in the United States. One thousand and sixty-five of the approximately 2600 members chose to respond. Patients and those at high risk found physical disabilities most disturbing while mental deterioration and ...

2009
Yasuhito SAKAI Mitsuru JIDO Hitoshi FURUTA Kiyoshi KOBAYASHI

Hanshin Expressway Public Corporation had been privatized in 2005 and has responsibility for maintaining service level of civil structures at sound condition and completely paying off its debt within 45 years after privatization. Therefore, it is an important issue to establish maintenance and rehabilitation plan considering the payment of the debt. This study addresses on Hanshin Expressway as...

2006
F. A. Buijs J. W. Hall

Inclusion of time-dependent effects in flood risk analysis is useful to inform inspection and maintenance strategies. Several deterioration processes are incorporated in a reliability analysis of an earth embankment along the Thames Estuary based on multiple failure modes. Also, a biavariate gamma process model is developed to take correlated deterioration processes into account. That model is ...

Journal: :Proceedings. Biological sciences 2014
Anni Hämäläinen Melanie Dammhahn Fabienne Aujard Manfred Eberle Isabelle Hardy Peter M Kappeler Martine Perret Susanne Schliehe-Diecks Cornelia Kraus

Classic theories of ageing consider extrinsic mortality (EM) a major factor in shaping longevity and ageing, yet most studies of functional ageing focus on species with low EM. This bias may cause overestimation of the influence of senescent declines in performance over condition-dependent mortality on demographic processes across taxa. To simultaneously investigate the roles of functional sene...

Journal: :Neuroscience and biobehavioral reviews 2012
Myriam C Sander Ulman Lindenberger Markus Werkle-Bergner

We suggest that working memory (WM) performance can be conceptualized as the interplay of low-level feature binding processes and top-down control, relating to posterior and frontal brain regions and their interaction in a distributed neural network. We propose that due to age-differential trajectories of posterior and frontal brain regions top-down control processes are not fully mature until ...

Journal: :Annual review of psychology 2010
Susan T Charles Laura L Carstensen

The past several decades have witnessed unidimensional decline models of aging give way to life-span developmental models that consider how specific processes and strategies facilitate adaptive aging. In part, this shift was provoked by the stark contrast between findings that clearly demonstrate decreased biological, physiological, and cognitive capacity and those suggesting that people are ge...

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