Second-, third- and fourth-generation quinolones: Ecotoxicity effects on Daphnia and Ceriodaphnia species

the effects of collaborative strategic reading and direct instruction in persuasion on iranian second grade of high school students persuasive writing and attitudes

this study examined the effects of collaborative strategic reading and direct instruction in persuasion on iranian high school students persuasive writing and attitudes. students in three intact classes were assigned to one of three treatment conditions: collaborative strategic reading and direct instruction in persuasion or direct instruction in persuasion or a control group. treatment effects...

effects of first language on second language writing-a preliminary contrastive rhetoric study of farsi and english

to explore the idea the investingation proposed, aimed at finding whether the performances of the population of iranians students studying english in an efl context are consistent in l1 and l2 writing taks and whether there is a cross-linguistic transfer in this respect. in this regard the subjects were instructed to write four compositions-two in english and two in farsi-which consisted of an ...

comparing the effects of the second-and third-generation oral contraceptives on sexual functioning

abstract background: the aim of this study was to compare the effects of the second- and third-generation oral contraceptives on women’s reproductive sexual function. materials and methods: this randomized, double-blind, placebo-controlled clinical trial was conducted on 82 married women of reproductive age in tehran. samples were randomized into the groups receiving second- and third-generatio...

Acute toxicity of thallium to Daphnia magna and Ceriodaphnia dubia.

Complex Interactions between Natural Coexploiters--Daphnia and Ceriodaphnia

This study concerns a seasonal succession of a large herbivore, Daphnia pule.^, by a smaller one. Crrioduphniu reticulata, in a Minnesota pond. Based on a description of events in the pond and results of several field experiments, one can explain this replacement in terms of a coexploitative interaction between these 2 species. The field experiments. in which pairs of cladocerans were isolated ...