نتایج جستجو برای: exprimental design
تعداد نتایج: 960207 فیلتر نتایج به سال:
Background and aims: Widely application of rotary files for endo treatment would force us to obtain an accurate understanding about the characteristics drawbacks these instruments. Therefore in this study, effects immersion NiTi M2 file deconex sodium hypochlorite solution on cyclic fatigue resistance was investigated Material methods: In exprimental 45 NITI were divided three groups I) control...

 Upaya peningkatan konsumsi buah dan sayur pada anak usia sekolah dilakukan dengan cara memberikan pelatihan terhadap orang tua video tutorial tentang modifikasi media sosial (WA Group) melalui perantara para guru. Rendahnya cakupan Perilaku Hidup Bersih Dan sehat (PHBS) indikator di Kabupaten Pelalawan hasil survey awal yang menunjukkan rendahnya frekuensi membawa bekal melatar belakangi...
Purpose: To investigate of the effects of a poly L-lactic acid (PLLA) nanofiber scaffold on proliferation of frozen-thawed neonate mouse spermatogonial stem cells.Materials and Methods: Spermatogonial cells were isolated from neonatal 3-6-day-old NMRI mice testes by two steps enzymatic digestion and differential plating. The isolated spermatogonial cells were divided into four culture groups: 1...
Detection methods in Distributed Denial of Service attacks try to detect attacks before the target machine is shutdown. There are two major methods for attack detection in target, Anomaly and Pattern-Based. Pattern-based methods are sensitive to attack signatures and as such cannot detect attacks when the attack patterns change slightly. Anomaly methods, on the other hand, work on the basis of ...
Goal: Today study or reading is one of the important tools to human communication in the world based on maintained effects of others. According to education systems of developed societies, students would be encouraged to read lessons and additional books. By this reading behavior would be created. The goal of this study is teaching approach training to foster book reading and its effect on incr...
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
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