Comments and Letters, Issue 21, 1999
نویسندگان
چکیده
منابع مشابه
Letters and Comments
Geng and Cai suggested a modified He’s frequency–amplitude formulation for nonlinear oscillators (Geng and Cai 2007 Eur. J. Phys. 28 923–31). We point out the accuracy of both the original one and the modified version depends upon the chosen location point, and so far we have no general rule for the location choice. The method of weighted residuals is suggested to overcome the shortcoming.
متن کامل21 v66, #08 Letters
Sir: Perlis et al. found that irritability was present in 40% of outpatients with major depressive disorder (MDD). The finding mirrors DSM-IV-TR, which lists irritability not only as a core symptom of mania and hypomania, but also as a common symptom of MDD. Kraepelin classified irritability as a manic (excitement) symptom. The bipolar nature of irritability in MDD can have an important impact ...
متن کامل21 v66, #08 Letters
Sir: Perlis et al. found that irritability was present in 40% of outpatients with major depressive disorder (MDD). The finding mirrors DSM-IV-TR, which lists irritability not only as a core symptom of mania and hypomania, but also as a common symptom of MDD. Kraepelin classified irritability as a manic (excitement) symptom. The bipolar nature of irritability in MDD can have an important impact ...
متن کاملCOMMENTS WELCOMEApril 1999
The “Hedonistic Paradox” states that homo economicus, or someone who seeks happiness for himor herself, will not find it, but the person who helps others will. This study examines two questions in connection with happiness and generosity. First, do more generous people, as identified in dictator experiments, report on average greater happiness, or subjective well-being, as measured by responses...
متن کاملComments and Letters to the Editor
Several contrasting uses of the terms macro(large) and micro(small) pore can be identified in soil science literature. In some cases macropores are (i) considered to be pores > 15 (Marshall, 1959) or 100 /im in diam (Bouma et al., 1977) or (ii) implied to be even larger when described in terms of wormholes (Ehlers, 1975), root channels (Aubertin, 1971). and shrinkage cracks (Lewis, 1977). The s...
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ژورنال
عنوان ژورنال: Humanistic Mathematics Network Journal
سال: 1999
ISSN: 1065-8297
DOI: 10.5642/hmnj.199901.21.22