نتایج جستجو برای: 40 days before their first and second mating
تعداد نتایج: 17074565 فیلتر نتایج به سال:
objective: to identify the effects of community-based interventions on the neonatal health index in one district of tehran-iran. materials and methods: a community and healthcare center-based study was carried out from january 2011 through september 2014. the population of the study included newborns from mothers residing in the 4 th district of tehran, iran. demographic data of mothers and inf...
We evaluated the mating ability of male western corn rootworms, Diabrotica virgifera virgifera Leconte (Coleoptera: Chrysomelidae), for 20 d after initial mating, using a series of laboratory experiments. Males mated an average of 2.24 times within 10 d after their first mating and averaged 0.15 matings between days 11 and 20 after their first mating. Because estimating the mating frequency in ...
the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...
Introduction: Use of contraceptive pills for postponement of menstruation has been a common practice for women traveling to the holy city of Mecca, although the side effects of this practice has not yet been studied. This research was carried out for determining the type and the prevalence of side effects of the contraceptive pills and for finding out the best type of regimens with least side ...
the central purpose of this study was to conduct a case study about the role of self monitoring in teacher’s use of motivational strategies. furthermore it focused on how these strategies affected students’ motivational behavior. although many studies have been done to investigate teachers’ motivational strategies use (cheng & d?rnyei, 2007; d?rnyei & csizer, 1998; green, 2001, guilloteaux & d?...
teachers’ beliefs greatly influence their performance in the classroom, their choice of instructional strategies, their way of controlling the class, their dealing with the students, and their general goals and objectives. one of these beliefs is teachers’ sense of efficacy which is viewed as an important construct and has shown to be positively correlated with students’ achievement (ross, 1992...
Objective(s): Smoking opium/cigarette is a global health concern. The aim of this study was to examine learning and memory of rat male offsprings whose mothers had been exposed to either opium or morphine with nicotine during pregnancy. Materials and Methods: Wistar rats were used for the experiments. In the female rats, opium, morphine and nicotine dependencies were induced by daily injection...
The compound ascidian Diplosoma listerianum releases aquatic sperm which are dispersed passively to potential mates as individual gametes prior to storage of sperm, internal fertilization and brooding of embryos. The storage of exogenous sperm enables D. listerianum to produce a lengthy series of progeny following a brief period of mating. Molecular paternity analysis following sequential matin...
acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...
Forced mating has been reported for a number of vertebrate and invertebrate taxa. The implications of forced copulation for mating system evolution, however, has received the greatest consideration for birds (Gowaty and Buschhaus 1998). Insect species in which females mate before full maturation represent a different slant on forced mating. Some lepidoptera, for example, exhibit the unusual phe...
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