Are there weekly cycles in occurrence frequencies of large-scale circulation types?

Large-scale atmospheric circulation patterns associated with the occurrence of severe storms Zab basin

large-scale atmospheric circulation patterns associated with the occurrence of severe storms zab basin

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Are There Classical Business Cycles?

The aim of this paper is to test formally the classical business cycle hypothesis, using data from industrialized countries for the time period since 1960. The hypothesis is characterized by the view that the cyclical structure in GDP is concentrated in the investment series: xed investment has typically a long cycle, while the cycle in inventory investment is shorter. To check the robustness o...

P-47: Are There any Predictive Factors for SuccessfulcessfulAnalysis of 339 Cycles

s:1454:"Background: Intracytoplasmic sperm injection(ICSI) outcome is tighly depending of male and female factors. The assessment of several clinical and laboratory parameters may predict results of ICSI. Materials and Methods: We restrospectively analysed patients who had ICSI for male or female factor infertility. The clinical and laboratory factors that influenced the fertilization, pregnanc...

On the Relation Between the Large-Scale Tropospheric Circulation and Air Quality in Tehran

The large-scale tropospheric circulation can play a controlling role in the accumulation and ventilation of air pollutants. It thus impacts air quality in large urban areas. This paper investigates the statistical relations between the dynamical indices related to circulation in the troposphere and visibility as a surrogate for air pollution in the urban area of Tehran for the climatological pe...