نتایج جستجو برای: number of harvests
تعداد نتایج: 21177965 فیلتر نتایج به سال:
THREE and a half centuries ago Francis Bacon said "I take all knowledge to be my -sphere." Though competent scholars state that Bacon was far from having full knowledge of the science of his day, his aspiration was not ridiculous or even particularly remarkable in his time, and had he given to science half the time he devoted to statecraft he might well have mastered all the science that was th...
9 7 8 9 2 2 1 2 6 8 1 2 3 IL O -U N C TA D S H A R E D H A R VE S TS : A gr ic ul tu re , Tr ad e, a nd E m pl oy m en t Agriculture employs more than a billion people in developing countries, representing 48 per cent of the developing-country labour force. This book analyses how agricultural trade affects labour markets in developing countries and in particular what it implies for the creation...
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
in recent years many researchers have been focused on interaction of small molecules with dna. dna is generally the primary intracellular of anticancer drugs, so the interaction between small molecules and dna can cause dna damage in cancer cells, blocking the division of cancer cells and resulting in cell death. the flavonoids are a large group of polyphenolic natural products that are widely ...
BACKGROUND: Selenium is now recognized as essential trace element for ruminants. OBJECTIVES: Studying the effect of different levels of selcote ultra fertilizer and farm yard manure on the concentration of selenium in alfalfa in order to achieve optimum concentration of selenium in this plant. METHODS: The experiment was factorial based on ra...
abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...
BACKGROUND/AIMS Peripheral blood progenitor cell (PBPC) transplantation is frequently used in the treatment of malignant diseases, but contamination of the graft by tumour cells is a real concern and may lead to disease relapse. The feasibility of applying heterogeneous single base genetic changes as tumour specific markers to detect minimal residual disease in PBPC harvests was studied, using ...
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