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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
Introduction. Vitamin D receptor (VDR) gene is recognized as candidate gene for susceptibility to Type 2 diabetes mellitus (T2DM). The aim of this study was to investigate the association between VDR gene polymorphisms and T2DM in Moroccans patients. Materials and Methods. 176 clinically diagnosed T2DM patients and 177 healthy controls from the Moroccans population were recruited. BsmI(rs1544410), FokI(rs10735810) and ApaI (rs7975232) single nucleotide polymorphisms (SNPS) of the VDR gene were determined using polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP). A Vitamin D level was determined using ELISA. Results. The prevalence of Vitamin D deficiency and insufficiency is significantly higher in patients with T2DM than in the control subjects. There was a strong association between fok1 polymorphisms with T2DM (OR = 0,35, 95% CI = 0.14– 0.83, P = 0.018), while the VDR BsmI and ApaI polymorphisms are not.
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Purpose: The aim was to present the experience in the management of cases of traumatic cataract with special reference to age, sex, type of injury, preoperative status of the eye, associated ocular injury, timing of injury and its effect on the final visual outcome. Methods: 35 eyes of 35 patients who underwent surgery for traumatic cataract were included. Specific information were collected and analysed. The patients underwent necessary ophthalmic and systemic investigations and then underwent cataract surgery. The final visual acuity was assessed at the end of 6 weeks.
Biodiesel refers to a vegetable oil- or animal fat-based diesel fuel consisting of long chain alkyl (methyl, propyl or ethyl) esters. Biodiesel is typically made by chemically reacting lipids with an alcohol. Biodiesel is meant to be used in standard diesel engines and is thus distinct from the vegetable oils. Biodiesel can be used alone, or blended with diesel. Biodiesel, a promising substitute as an alternative fuel has gained significant attention due to the predicted shortness of conventional fuels and environmental concern. The utilization of liquid fuels such as biodiesel produced from Jatropha oil by transesterification process represents one of the most promising options for the use of conventional fossil fuels.
Environmental and hospital-sampling allowed us to isolate and identify one hundred of Pseudomonas aeruginosa (P. aeruginosa) strains. The study of the degradation capacity of alkanes has shown that almost all isolates grew in the presence of long chain n-alkanes, while no growth was recorded in the presence of short chain n-alkanes, isoalkanes or cycloalkanes. The kinetics of growth in the presence of hexadecane, as a sole carbon source, enabled recording various optical densities (OD) depending on the strain of P. aeruginosa. The polymerase chain reaction (PCR) in the presence of ERIC (Enterobacterial repetitive intergenic consensus) primers has shown genetic diversity within isolates.
The e-commerce linkage is especially important in achieving these goals. Thus, TI's ERP system is central to managing its supply chain and Web e-commerce linkages from both a customer and supplier perspective.
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Contrary to popular belief, agile training require as much planning as any other project type – it is the timing of this planning, and how we attempt to minimize wasted effort that is different from other approaches.