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پژوهش در نظامهای آموزشی, 2011 چکیدهدانشگاه ها و مؤسسات آموزش عالی، نمیتوانند از تغییراتی که در جامعه رخ میدهد؛ بیتفاوت باشند . اینتغییرات، چالش های بیشماری را به دنبال دارد و آموزش الکترونیکی، یکی از را هحل ها یی است که مراکزآموزشی، برای پاسخ به چالش های موجود به کار گرفته اند ...
ma ali, ab hrf, mo sa, sa sf
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Être à sa place, prendre sa place, perdre sa place
EchoGéoEn 2009, chez l’éditeur français Karthala, paraissait un ouvrage sur les investissements des populations émigrées sénégalaises dans l’habitat à Dakar. L’auteur, Serigne Mansour Tall (2009), s’attachait à démontrer combien les émigrés sont devenus les acteurs majeurs des transformations contemporaines de la capitale, autrement dit ont pris toute leur ...
Jérôme Lombard
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Comparing Simulated Annealing (SA) and Particle Swarm Algorithms (PSO) for Optimizing Hydrological Parameters in Mahabadchay Watershed [PDF]
مهندسی منابع آب, 2022 Introduction: Rainfall and runoff process is one of the main phases of the hydrological cycle and is simulated using hydrological models to examine the relationship between rainfall and runoff.
Kazem Shahverdi +2 more
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The concept of inherent safety of generation V nuclear power plants [PDF]
Nuclear Energy and Technology, 2021 Elimination of significant risks in nuclear power production is at the present stage a necessity and goal-setting that determines its development in the near future.
Igor S. Slesarev +4 more
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Beverage Plant Research, 2023 The tea green leafhopper [Empoasca (Matsumurasca) onukii Matsuda] is one of the most dominant pests in the tea production regions of China, greatly impacting tea yield and quality.
Dahe Qiao +4 more
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Plant, Cell &Environment, Volume 46, Issue 12, Page 3949-3970, December 2023., 2023 Abstract Polyamines are small aliphatic polycations present in all living organisms. In plants, the most abundant polyamines are putrescine (Put), spermidine (Spd) and spermine (Spm). Polyamine levels change in response to different pathogens, including Pseudomonas syringae pv. tomato DC3000 (Pst DC3000). However, the regulation of polyamine metabolism
Chi Zhang +7 more
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Bipolar Valued Fuzzy SA-subalgebras and Fuzzy SA-ideals of SA- algebra. [PDF]
مجلة جامعة الانبار للعلوم الصرفة, 2023 In this paper, the notions of bipolar valued fuzzy SA-subalgebras and bipolar valued fuzzy SA-ideals on SA-algebras with their properties are familiarized. Several theorems are stated and proved with their examples.
Alaa Abed, areej hameed
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RNA‐dependent RNA polymerase 1 delays the accumulation of viroids in infected plants
Molecular Plant Pathology, Volume 22, Issue 10, Page 1195-1208, October 2021., 2021 Downregulation of RDR1a in tomato increased susceptibility to PSTVd infection; severe leaf curling with vein necrosis occurred in TRV:SlRDR1a tomato compared with TRV:00 tomatoes 28 days postinoculation (dpi) with PSTVd. Abstract RNA‐dependent RNA polymerase 1 (RDR1) is essential for plant antiviral defence, but its role in plant defence against viroid
Shuai Li +3 more
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Mechanics & Industry, 2023 To choose the most suitable method to solve the process parameter optimization of ultrasonic rolling extrusion, the 42CrMo material was taken as the research object. Based on a four-factor five-level orthogonal experiment, the response surface method was
Wang Xiaoqiang +3 more
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