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Toplam kayıt 8, listelenen: 1-8
Mannheim Offsets of Ruled Surfaces
(HINDAWI LTD, 2009)
In a recent works Liu and Wang (2008; 2007) study the Mannheim partner curves in the three dimensional space. In this paper, we extend the theory of the Mannheim curves to ruled surfaces and define two ruled surfaces which ...
Disciplinary problems in secondary education: a sample of Amasya
(ELSEVIER SCIENCE BV, 2009)
This study was planned so as to perform an examination of the discipline problems experienced in the secondary education schools in accordance with school types. In this study, in which the special situation method was ...
The effects of fosetyl-Al application on morphology and viability of Lycopersicon esculentum Mill. pollen
(CZECH ACADEMY AGRICULTURAL SCIENCES, 2008)
In the present study, the effects of fungicide Aliette WG 800 [80% fosetyl-Al (aluminium tris-o-ethyl phosphonate)], widely used against Phytophtora infestans on tomatoes grown in greenhouse in Turkey, were studied on the ...
Viable but Non-Culturable State (VBNC) of Escherichia coli Related to EnvZ under the Effect of pH, Starvation and Osmotic Stress in Sea Water
(POLSKIE TOWARZYSTWO MIKROBIOLOGOW-POLISH SOCIETY OF MICROBIOLOGISTS, 2009)
When exposed extreme environmental conditions such as sea water, bacteria have been shown different survival strategy for continue their life. One of this strategy known as viable but nonculturable (VBNC) state which is ...
The effect of students' perceptions of nature of matter on their laboratory attitudes and their achievement in chemical equilibrium
(ELSEVIER SCIENCE BV, 2009)
One of the basic subjects that chemistry students have difficulty is chemical equilibrium. Learning of the particulate nature of matter can increase students' achievement in this subject. In addition to this, students' ...
An investigation into the evaluation of spare time activities of students at home and in the school
(ELSEVIER SCIENCE BV, 2009)
The spare time activities of the individuals vary relating to their gender, socio- economic and cultural level, friends, personality, interests and a agabeylities and the traditions of the place they live. The aim of this ...
A recombinant PvpA protein-based diagnostic prototype for rapid screening of chicken Mycoplasma gallisepticum infections
(ELSEVIER SCIENCE BV, 2008)
Mycoplasma gallisepticum is the primary agent of chronic respiratory disease causing important economic losses in the poultry industry. Serological monitoring is essential to maintain mycoplasma-free breeder flocks and ...
The effects of students' problem solving skills on their understanding of chemical rate and their achievement on this issue
(ELSEVIER SCIENCE BV, 2009)
Problem solving is a part of thinking. There are several steps of problem solving. The first thing which is necessary for solving personal and organizational problems is the knowledge of problem solving process. Students ...