نتایج جستجو برای: field experiments

تعداد نتایج: 1228288  

2011
Marc Brunelle

This paper addresses some of the specificities of perception research in the field. Fieldwork preparation and experimental design, as well as more technical aspects of this type of phonetic research, are reviewed and illustrated with examples taken from the author’s research in Southeast Asia.

2008
Hans-Christian GRAF V. BOTHMER Igor Shparlinski

We show how to use experiments over finite fields to gain information about the solution set of polynomial equations in characteristic zero.

Journal: :American Journal of Alternative Agriculture 1993

Journal: :Journal of the American Medical Association 1919

Journal: :Current Directions in Psychological Science 2021

Online behavioral data, such as digital traces from social media, have the potential to allow researchers an unprecedented new window into human behavior in ecologically valid everyday contexts. However, research using data is often purely observational, which limits its usefulness for identifying causal relationships. Here we review recent innovations experimental approaches studying online be...

Journal: :Strategic Management Journal 2015

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده مهندسی موادو متالورژی 1393

the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید