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NANO… one billionth of one and one third of micro ,to be precise 10-9m. Nanotechnology is much discussed these days as a emerging frontier – a realm in which machines operate at scales of billionth a metre. It is actually a multitude of rapidly emerging technologies based upon the scaling down of existing technologies to the next level of precision and miniaturization. In the field of nano technologies researchers are enthusiastic about its potential applications in fields such as energy, medicine, electronics, computing and materials. Of late, one of the emerging aspects dealing Nanotechnology in mechanical field is the internal combustion engine on a nano scale, which we have chosen as our area of interest. Heat engines have evolved from external combustion engines to internal combustion engines and the hot off the block is the nano internal combustion engine.
This paper presents an enhanced 32-bit carry lookahead(CLA) adder implementing using the constant delay (CD) logic, targeting at full-custom high-speed applications. The CD characteristic of this logic style regardless of the logic type makes it suitable in implementing complicated logic expressions such as addition. CD logic exhibits a unique characteristic where the output is pre-evaluated before the inputs from the preceding stage is ready. This feature offers performance advantage over static and dynamic domino logic styles in a single-cycle multistage circuit block. Several design considerations including timing window width adjustment and clock distribution are discussed. Using 65-nm general-purpose CMOS technology, the proposed logic demonstrates an average speed up of 94% and 56% over static and dynamic domino logic, respectively, in five different logic gates. Simulation results of 8-bit ripple carry adders show that CD logic is 39% and 23% faster than
Clustering technique is the basic technique used in the wireless sensor network to enhance the lifetime of a sensor network by mitigating energy consumption and provide efficiency, scalability, and security. Formerly sensor nodes are considered to be homogeneous in which each node has the same processing capacity, energy and functionality, but to prolong network lifetime researches has been evolved to infuse heterogeneity in wireless sensor network such as to provide different energy level to some nodes. In this paper, we present a survey on basic clustering techniques for Heterogeneous wireless sensor networks.
In this work we illustrate how fuzzy if-then rules can be used for fuzzy Petersen graph. Basic results and its characteristics of fuzzy graphs are introduced. Further we introduced the results based on fuzzy if-then rule which is applied on fuzzy Petersen graph version of classical graph theory.
Agriculture is an economic activity that manifests the complex relationship between natural and human resources. The growth of agriculture is prerequisite for overall development of Indian economy. It contributes significantly to the export earnings and affects the performance of other sectors of the economy through forward and backward linkages. The present paper analysis disparities in agricultural development in Aligarh district at block level during the period of 2011-12. The analysis of the study have been carried out by transforming and combining data related to various variable, (percentage of literate people to total population, percentage of agricultural workers to total workers, percentage of net sown area to total geographical area, fertilizers consumption in kg per hectare, percentage of net irrigated area to net sown area, percentage of canal irrigation to the net irrigated area, percentage of tube well irrigation to the net irrigated area, number of agricul
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