نتایج جستجو برای: different fillers
تعداد نتایج: 1766970 فیلتر نتایج به سال:
the influence of ultrafine filler materials on mechanical and durability characteristics of concrete
this paper aims at investigating the influence of partial replacement of portland cement with ultrafine fillers compared to limestone powder on the durability and mechanical characteristics of concrete. for this purpose, ultrafine calcium carbonate materials with different specific surface areas of 9.7 and 15.1 m2/g and limestone powder (0.72 m2/g) were used. the results indicate that the ultra...
We investigated distribution of fillers (filled pauses) in the vicinity of boundaries of different strengths in Japanese monologues, to understand whether fillers may convey information about the location and the strength of boundaries. Consistent with the results of studies on Dutch monologues, fillers tend to increase as the boundary strength grows. It has also been revealed that fillers tend...
We examined whether fillers (filled pauses) in a Japanese lecture appeared more frequently after discourse segment boundaries (DSB) than after other sentence boundaries. Contrary to our hypothesis that fillers occur more often after DSB than after other sentence boundaries, the frequency of fillers in the first phrase after DSB did not differ statistically from that after other sentence boundar...
Statement of Problem: Despite the improvements achieved in the field of dental composites, their strength, longevity, and service life specially in high stress areas is not confirmed. Finding better fillers can be a promising step in this task. Purpose: The purpose of this study was to investigate the effect of the filler type on the mechanical properties of a new experimental dental composite ...
The present study investigated the distribution of five types of fillers in Japanese-language lectures. It was found that the distribution pattern differed depending on the kind of fillers; e, eto and ma tended to appear more often at major syntactic boundaries such as sentenceand clauseboundaries than ano and sono. Sono never occurred at sentence boundaries. These findings suggest that the use...
The Influence of Ultrafine Filler Materials on Mechanical and Durability Characteristics of Concrete
This paper aims at investigating the influence of partial replacement of Portland cement with ultrafine fillers compared to limestone powder on the durability and mechanical characteristics of concrete. For this purpose, ultrafine calcium carbonate materials with different specific surface areas of 9.7 and 15.1 m2/g and limestone powder (0.72 m2/g) were used. The results indicate that the ultra...
Until recently, the use of dermal fillers was limited in the United States by the small number of products approved by the Food and Drug Administration. The products now approved for use in the United States have opened up the range of possibilities for combinations of products that are synergistic in their effects. Combinations of products may be discussed in temporal or anatomic relationships...
The ever-increasing interest in retaining a youthful physical appearance has facilitated the development of various minimally invasive dermatological techniques. The use of intradermal fillers can be incorporated into dermatological practices with minimal overhead costs. This strategy addresses facial volume loss and dynamic lines, which are the main features of facial aging. Moreover, intrader...
INTRODUCTION The use of different facial cosmetic fillers has increased in recent years. The introduction of apparently inert substances in the epidermis can give rise to foreign body granulomatous reactions. Objetives: A literature review is made of the foreign body granulomatous reactions to cosmetic fillers. MATERIAL AND METHODS A PubMed-Medline search was made using the following keywords...
ZnO particles of different size and structures were used as fillers to modify the silicone rubber, in order to reveal the effect of the filler shape in the polymer composites. Tetrapodal shaped microparticles, short microfibers/whiskers, and nanosized spherical particles from ZnO have been used as fillers to fabricate the different ZnO-Silicone composites. The detailed microstructures of the fi...
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