منابع مشابه
Structural Deterioration in Produce: Phospholipase D, Membrane Deterioration, and Senescence
Ripening and senescence are the ultimate phases in the developmental events of fruits that result in the expression of the quality characteristics inherent to the fruit. Although it is difficult to demarcate a dividing point between ripening and senescence, the former can be designated as the quality-developing phase, whereas the latter predominantly involves the loss of quality. Degradation of...
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It is now more than ten years since the introduction of mitral valvotomy. The initial results (Baker, Brock, and Campbell 1950; Baker et al., 1952) and a three-year follow-up of the first 45 Guy's cases (Baker et al., 1955) have been published. We now report a larger group of 200 patients followed up for over five years, which allows a more complete assessment of the long-term benefits of mitra...
متن کاملDeterioration of Myocardial Function
Twenty-two patients underwent cardiac catheterization before and an average of five months after aorto-coronary bypass operation (ACBO). Two groups were examined: 10 patients with all grafts patent, and 12 patients with one or more grafts occluded. All patients improved symptomatically, regardless of graft patency. However, in the occluded group, left ventricular enddiastolic pressure (LVEDP) i...
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critical, because true progressors require a change in treatment, but pseudoprogressors should continue with adjuvant temozolomide. Currently, there are no definitive radiologic criteria to differentiate between true progression and pseudoprogression. The response criteria for brain tumours developed by the Response Assessment in Neuro-Oncology Working Group state that apparent radiologic progr...
متن کاملDeterioration-based Maintenance Management Algorithm
The Road Management Systems (and the PMS) usually do not take into consideration the future traffic change. The maintenance and rehabilitation actions and the development of the road network structure and the changing traffic structure modify the amount of the traffic on the road section. The deterioration process depends on mostly the volume of the traffic. That is why it is important to take ...
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ژورنال
عنوان ژورنال: Nature
سال: 1975
ISSN: 0028-0836,1476-4687
DOI: 10.1038/257532b0