نتایج جستجو برای: elements content
تعداد نتایج: 675275 فیلتر نتایج به سال:
Nondestructure diagnostics of surface layers elements content for cylindrical shape material objects
The Effect of various NaCl levels on the shoot content of trace elements, in the seedlings of five citrus species namely: Bakraei (Citrus reteculata X C. limetta), Volkamer lemon(C. volkameriana), Sour orange(C. aurantium), Sweet lime (C. limetta) and Mexican lime(C. aurantifolia), were studied in a glasshouse, by a randomized complete block design with factorial arrangement and four replicatio...
Geologic and pedologic controls are the main factors determining the distribution of elements in natural soil environments. In order to assess the role of these factors in the content and distribution of major elements of soil, six parent materials including phyllite (Ph), tonalite (To), periditite (Pe), dolerite (Do), shale (Sh) and limestone (Li) were selected in Fuman-Masule region. Soil gen...
Both Sangan and Tannurjeh magnetite deposits are Iron-oxides type. Geochemistry and petrography of source rocks at Tannurjeh and Sangan were studied in detail. The source rocks at Sangan are compused of quartz hornblende alkali syenite porphyry and quartz biotite-hornblende alkali syenite porphyry ; while The source rocks at Tannurjeh varies between hornblende quartz diorite porphyry and h...
Monte Carlo calculation of shielding parameters for fast neutrons in newly developed heavy concretes
Introduction: The role of radiotherapy as a part of cancer management increases every year around the world. Thus, Radiation protection in the design of radiotherapy rooms are of great importance. Materials and Methods: In present study using Monte Carlo method, MCNPX code, fourteen types of developed high density concretes with densities ranging from 2.45 ...
Objectives: The objective of this study was to examine the psychometric properties of the ‘physical well-being, health and motor development inventory’ used to assess school readiness in ordinary and mentally retarded pre-school children. Methods: A descriptive study examining validity was conducted using random sampling. Two hundred students (160 ordinary and 40 mentally retarded children) ...
Introduction: Awareness and concern about soil contamination with metals and their effects on the food chain are increasing. Cereal consumption is one of the major sources of metal exposure which soybean may accumulate more toxic metals than other crops. Method: Three metal elements including Zn, Cd, and Ni were measured in soy products. First, soymilk and soy cheese (tofu) were prepared by co...
Introduction: An evaluation of the curriculum elementscan be recognized as a necessity in curriculum dynamic andimprovement. This study aimed at evaluating five main elementsof a physiopathology curriculum in internal medicine (objectives,content, methods, evaluation, and management).Method: The present study is of a descriptive-analytical type, andthe study population consisted of a total of 4...
The paper presents an approach to automatic annotation of learning objects’ (LOs) content units that we tested in TANGRAM, an integrated learning environment for the domain of Intelligent Information Systems. The paper mainly reports on the content-mining algorithms and heuristics applied for determining values of certain metadata elements used to annotate content units. Specifically, the focus...
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