diamond like carbon (dlc) film was grown by hot filament chemical vapor deposition (hfcvd)technique. in the present work, we investigated the quality of the dlc films groew on the substratesthat were coated with various metal nanocatalysts (au and ni). a combination of ch4/ar/h2 rendersthe growth of carbon nanostructures technique (diamond like carbon). the utilized samples werecharacterized by...

Special weight labelings on Aztec diamond graphs lead to sum-product identities through a recursive formula of Kuo. The weight assigned to each perfect matching of the graph is a Laurent monomial, and the identities in these monomials combine to give Weyl’s character formula for the representation with highest weight ρ (the half sum of the positive roots) for the classical Lie algebras. Choose ...

Diamond exhibits many attractive properties including extreme hardness, high thermal conductivity, high Young’s modulus, low coefficient of friction, low wear rate, biocompatibility and chemical inertness the Institutional Repository. Therefore, diamond tools have attracted number of applications in manufacturing of various microdevices and ductile machining of brittle materials. However, just ...

Rhombellanes are mathematical structures existing in various environments, in crystal or quasicrystal networks, or even in their homeomorphs, further possible becoming real molecules. Rhombellanes originate in the K2.3 complete bipartite graph, a tile found in the linear polymeric staffanes. In close analogy, a rod-like polymer derived from hexahydroxy-cyclohexane was imagined. Further, the ide...

The purpose of this article is to make precise some of the results we have reported in talks in Bedlevo (Sep. 2000) and Krakow (July 2001). We have pointed out there that for any algebra having a PBW-type basis, it is possible to construct a ⋆-product. At the conference this has also been made pertinent by J. Wess in his talk and R. Twarock also uses Bergman’s Diamond Lemma . On the other hand,...

We consider the conditional randomization test as a way to account for covariate imbalance in randomized experiments. The test accounts for covariate imbalance by comparing the observed test statistic to the null distribution of the test statistic conditional on the observed covariate imbalance. We prove that the conditional randomization test has the correct significance level and introduce or...

This paper reviews the three Conditional internal activity Techniques for high performance flip-flops namely Conditional Capture, Conditional Precharge and Conditional Discharge techniques. These techniques are reviewed in terms of power and delay and classified based on how to prevent or reduce the internal switching activity. Application of the Conditional techniques results in improvement of...

We investigate the discrete (finite) case of the Popper-Renyi theory of conditional probability, introducing discrete conditional probabilistic models for knowledge and conditional belief, and comparing them with the more standard plausibility models. We also consider a related notion, that of safe belief, which is a weak (non-negatively introspective) type of “knowledge”. We develop a probabil...

the price of single point diamond tools with a sharp tip is very high due to complex machining process and highly expensive machining equipments. yet, the performance is not quite satisfactory. in this paper, we have presented a very simple and cost effective machining process for the sharpening and polishing of diamond stylus using low energy reactive ion beam machining (ribm). in our method, ...