نتایج جستجو برای: elements content
تعداد نتایج: 675275 فیلتر نتایج به سال:
Background and purpose: The main source of trace elements in plants is soil and nutrients of their growth medium. On the other hand, growth of tea is affected by some variables such as relative humidity of weather, temperature difference between day and night and and length of the day which are different in each season. This study aimed to investigate the effects of harvest time on tea leaf hea...
introduction: an evaluation of the curriculum elements can be recognized as a necessity in curriculum dynamic and improvement. this study aimed at evaluating five main elements of a physiopathology curriculum in internal medicine (objectives, content, methods, evaluation, and management). method: the present study is of a descriptive-analytical type, and the study population consisted of a tota...
soil genesis and evolution studies are based on well understanding of geochemical processes involved in pedogenic processes and formation of soil. parent materials are main factors controlling soil properties in arid and semiarid regions. in this study, physicochemical and geochemical properties of 6 selected soil profiles developed on basalt rocks along arid (eshtehard), semiarid (qazvin) and ...
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
introduction: providing the nutritional requirements of agricultural crops by non-chemical resources is a new approach in the organic farming that has attracted the attention of both the researchers and the consumers in recent years. therefore, it is highly important to find new fertilizer resources that are both economically able to provide the nutritional needs of the crop plants and have no ...
Philosophical texts have emerged in diverse genres and literary forms. Thinkers take different stands about importance of elements of these works. Some of them consider ornamental and accidental role for literary forms and the others in contrast consider philosophical implication for these elements. Philosophers’ approach to the role of literary elements of philosophical text is influential on ...
the present research was conducted to accomplish two purposes. firstly, it aimed to explore and describe schematic structure or what halliday and hassan (1989, p.64) have called “generic structure potential” (gsp) of american english, iranian persian and iranian english newspaper editorials within systemic functional linguistics. secondly, a quantitative cross-comparison was made to investigate...
The main factor affecting fruit quality and post-harvest loss in kiwifruits is improper tree nutrition. In this study, fruits were harvested from 24 different orchards in the east of Guilan province when the total soluble solid content of the fruit was 6.2°. percent the fruts was. Fruits’ mineral content such as nitrogen, phosphorus, potassium, calcium and magnesium, the mineral elements ratios...
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