نتایج جستجو برای: ware ceramics has been studied as one types of ceramics at arsacides era raw materials
تعداد نتایج: 21738497 فیلتر نتایج به سال:
Waste glass and reclaimed brick are types of construction demolition waste (C&DW) that could potentially be used as secondary raw materials in the production ceramics. Ceramics based on clay, demolished (5-15 wt.%) (5-20 were produced by pressing (P = 68 MPa) subsequently sintered at 900, 950, 1000, 1050 oC for one hour. The physical mechanical properties ceramics obtained evaluated. additi...
abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...
BACKGROUND An increase in surface roughness of ceramics may decrease strength and affect the clinical success of ceramic restorations. However, little is known about the effect of acidic agents on ceramic restorations. The aim of this study was to evaluate the surface roughness of dental ceramics after being immersed in acidic agents. METHODS Eighty-three ceramic disk specimens (12.0 mm in di...
a simple, rapid and low-cost scanner spectroscopy method for the glucose determination by utilizing glucose oxidase and cdte/tga quantum dots as chromoionophore has been described. the detection was based on the combination of the glucose enzymatic reaction and the quenching effect of h2o2 on the cdte quantum dots (qds) photoluminescence.in this study glucose was determined by utilizing glucose...
the goal of this article is to study the shimashki potteries in the saymarreh valley. archaeological surveys conducted in the saymarreh valley shows that the painted pottery tradition of godin iii has become prevalent in the valley during the bronze age and only once, development of this pottery tradition had cracked. this event took place in the phase of godin iii4, which we relate it to the i...
Structural characterization of historical materials, especially clay-based compositions, as well as technical and archaeological aspects, has a significant role in the diagnosis of the deterioration process. One of the most important parameters in the structure of clay-base ceramics (such as pottery, brick, and tile ware) is porosity that includes all open and closed pores in the matrix of poro...
why some learners are willing to communicate in english, concurrently others are not, has been an intensive investigation in l2 education. willingness to communicate (wtc) proposed as initiating to communicate while given a choice has recently played a crucial role in l2 learning. it was hypothesized that wtc would be associated with language learning orientations (llos) as well as social suppo...
abstract reception environment has considerable effects on accepting a translation. as the expectations of a target culture and its values and needs change throughout history, its criteria for accepting a translation or rejecting it will change accordingly (gentzler, 2001). the expectations of iran, as the reception environment in the present study, have changed after the islamic revolution. i...
abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...
Europium doped transparent lead fluorophosphate glass ceramics successfully were prepared with heat treatment of precourse glasses at temperature above glass transition (Tg). X-ray diffraction (XRD) experiment evidenced the formation of PbF2 nanocrystals in glassy matrix. The emission spectra investigation indicate that considerable amount of Eu3+ ions were trapped in crystalline phase, and the...
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