نتایج جستجو برای: survival performance
تعداد نتایج: 1367459 فیلتر نتایج به سال:
Public relations is a managerial process aimed at attracting and maintaining positive behaviours in favour of social groups and independent organizations to achieve the mission and goals of the organization. The main responsibility of public relations is to build and maintain a "pleasant environment" for the organization and the client, and the condition for the survival and survival of the soc...
the application of nanotechnology in drug delivery and a variety of supplements is very impressive. in this regard, the use of this knowledge can be effective in the performance of medicinal plants in aquaculture. in the present study aloe vera was extracted and its nanoparticles were produced. three levels of aloe vera nanoparticles in siberian sturgeon (acipenser baerii) were evaluated for th...
Background and Aim: This study aimed to analyze the factors affecting time and experience of relapse in the patients with Hodgkin's lymphoma, using cure fraction. Material and Methods: This retrospective study included all the patients diagnosed as Hodgkin's lymphoma in the Center for oncology and hematology in Shafa Hospital in Ahwaz City from 2002 to 2012. We used survival analysis and cure f...
using probiotics can control pathogens by a variety of mechanisms. probiotics can promote growth performance and have, therefore, become increasingly important in the aquaculture industry. convict cichlid belongs to the family of cichlidae and is known for its rapid development in laboratory conditions and is suitable for behavioral examinations. the aim of this study was to evaluate the effect...
The present study aimed to determine the effects of iron nanoparticles (Fe-NPS) on growth performance, survival rate, liver histopathology and some blood and immune parameters of stellate sturgeon (Acipenser stellatus) juvenile. A total of 144 fish (175-195 g) were fed diets containing graded levels of Fe-NPs (0, 25, 50 and 100 mg kg -1 diet) for 8 weeks. Based on results, no significant differ...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
in this thesis, a structured hierarchical methodology based on petri nets is used to introduce a task model for a soccer goalkeeper robot. in real or robot soccer, goalkeeper is an important element which has a key role and challenging features in the game. goalkeeper aims at defending goal from scoring goals by opponent team, actually to prevent the goal from the opponent player’s attacks. thi...
the effect of a commercial probiotic (protexin) on growth performance and survival rate in sobaity sparidentex hasta was investigated. 240 fish with average weight of 2.99±0.87g were treated for 10 weeks. this study was carried out in a completely random design with 12 experimental groups, in 4 treatments each with 3 replicates. experimental groups were consisted of four levels of 0.0, 0.5, 1.0...
the acehnese mahseer, locally known as keureling, tor tambra is one of the highest economically valued freshwater fishes found in aceh waters. the culture of t. tambra was initiated in aceh province, indonesia more than five years ago. however, the growth rate in captivity has been low, probably due to feeding problems. hence, the objective of the present study was to evaluate the optimum level...
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