نتایج جستجو برای: abrasion process
تعداد نتایج: 1316024 فیلتر نتایج به سال:
Mycological examination is still the cornerstone for the diagnosis of onychomycosis for many dermatologists, but sampling technique interferes on its sensitivity and specificity. Nail abrasion may be used to reach the most proximal part of the lesion and can be easily accomplished with an electric abrasor. We suggest nail plate dermoscopy to identify the best location for localized abrasion to ...
The relationship between the grinding characteristics of polymetallic complex ore and its component minerals, pyrrhotite, sphalerite, quartz, under action abrasion was studied, based on batch experiments theoretical analysis methods selective grinding. results show that when subjected to abrasion, crushing effect enhanced by existence is, sphalerite plays a positive role in ore. reduced pyrrhot...
Introduction and Aim. Adhesion formation is a process which starts with an inflammation caused by a number of factors and eventually results in fibrosis. Colchicine prevents adhesion formation which is antifibrous process. The effectivity of colchicine in the prevention of adhesions was investigated. Materials and Methods. A total of 36 rats were equally divided into three groups: (I) control g...
AIM Aim of this experiment is the efficacy evaluation of three different types of surface preparation techniques by microleakage assessment of two different sealing materials. MATERIALS AND METHODS Sixty teeth were used for the experiment: half were treated with Admira seal (Voco) and the remaining half with Delton FS+ (Dentsply). Each group was then divided into three subgroups, which underw...
The engineering properties of the lunar regolith reflect aspects of the original parent rock and the consequences of hypervelocity meteor bombardment. Compared to the Earth the geologic nature of the lunar regolith is quite distinct. On scales relevant to machinery, heterogeneity with respect to size and composition is much higher. But the total range in composition is much more restricted. Bot...
Wear maps were developed following a series of micro-abrasion-corrosion testing during idealised hip contact conditions for a CoCrMo alloy in a foetal calf serum solution. The main aim of the study was to characterise wear-corrosion or bio-tribocorrosion regimes of the alloy over a range of applied loads and applied potentials. The transitioning micro-abrasion-corrosion mechanisms, synergisms a...
[1] Bed load sediment particles supplied to channels by hillslopes are reduced in size by abrasion during downstream transport. The branching structure of the channel network creates a distribution of downstream travel distances to a given reach of river and thus may strongly influence the grain size distribution of the long-term bed load flux through that reach. Here we investigate this hypoth...
A formalism is developed for evaluating the momentum distribution for proton production in nuclear abrasion during heavy ion collisions using the Glauber multiple-scattering series. Several models for the onebody density matrix of nuclei are considered for performing numerical calculations. Calculations for the momentum distribution of protons in abrasion are compared with experimental data for...
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