نتایج جستجو برای: reproductive stage duration
تعداد نتایج: 636967 فیلتر نتایج به سال:
Green semilooper, Naranga aenescens Moore (Lepidoptera: Noctuidae) is a major pest in paddy fields of northern Iran. Since plant resistance to pests is a method with high efficacy and safety, a research was conducted to evaluate the resistance of 12 rice varieties (including, Tarom, Shafagh, Hybrid, Khazar, Poya, Fajr, Kados, Shiroodi, Sahel, Tabesh, Nemat and Neda) to N. aenescens on the basis...
Herring in Peter the Great Bay ( Clupea pallasii ) lives on southern outskirts of species’ range, is significantly inferior to other Far Eastern herring populations level stock, but periodically able form a relatively high abundance. A long-term analysis lengthage composition showed presence this population fish groups that differ life cycle duration, puberty time, and dynamics. Stock success r...
Introduction & Objective: The third stage of labor, which begins immediately after delivery of the fetus, involves the separation and expulsion of the placenta. The purpose of study was to determine some Factors on duration of third stage of labor. Materials & Methods: This was a descriptive and analytical study that was carried out in university-affiliated teaching hospital, Hamadan c...
Many human diseases are characterized by multiple stages of progression. While the typical sequence of disease progression can be identified, there may be large individual variations among patients. Identifying mean stage durations and their variations is critical for statistical hypothesis testing needed to determine if treatment is having a significant effect on the progression, or if a new t...
We consider online learning in repeated decision problems, within the framework of a repeated game against an arbitrary opponent. For repeated matrix games, well known results establish the existence of no-regret strategies; such strategies secure a long-term average payoff that comes close to the maximal payoff that could be obtained, in hindsight, by playing any fixed action against the obser...
In shallow rainfed rice agro-ecosystems, drought stress can occur at any growth stage and can cause a significant yield reduction. During recent years, some rice varieties possessing tolerance of reproductive-stage drought stress have recently been developed. Tolerance of vegetative-stage drought stress is also required to improve rice productivity in drought-prone regions. In this study, we ev...
Background: In vitro fertilization (IVF) is a four-stage procedure, ovarian stimulation and monitoring, oocyte retrieval, embryo transfer. Transvaginal ultrasound–guided follicle aspiration the most common method for retrieval in assisted reproductive technologies, it increasingly performed as an outside procedure. Objective: To compare between general Anesthesia Conscious Sedation according to...
In order to investigate drought stress and plant density the yield, yield components and protein of spotted bean grain (cultivar Talash), an experiment was carried out as split plots in randomized complete blocks with three replications in Yasouj, in 2012. Factors of the test including irrigation in three levels; without stress (control treatment), water stress in vegetative stage (interrupting...
The purpose of this study was to investigate the relationship between prolonged stage transition duration (STD) and aspiration. STDs and aspiration ratings were made from videofluoroscopic examinations previously obtained for other studies. Three groups of subjects were examined: (1) 20 stroke patients who aspirated, (2) 31 stroke patients who did not aspirate, and (3) 15 normal subjects. Aspir...
We introduce asymptotic analysis of stochastic games with shortstage duration. The play of stage k, k ≥ 0, of a stochastic game Γδ with stage duration δ is interpreted as the play in time kδ ≤ t < (k+ 1)δ, and therefore the average payoff of the n-stage play per unit of time is the sum of the payoffs in the first n stages divided by nδ, and the λ-discounted present value of a payoff g in stage ...
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