Mars surface to low Mars orbit. The sequential gradient-restoration algorithm is employed to solve optimal trajectory problems of interplanetary flight in mathematical programming format and optimal trajectory problems of planetary flight...

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beneath surface debris; (3) melting of ice cliffs and calving around the margins of supraglacial ponds; and (4) calving into deep proglacial lakes. Modelling of processes (1) and (2) shows that Everest-region glaciers typically have an inv...

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tions showed that the nonlinear processes of wave roller generation and wave-induced mixing are important for the accurate simulation of surf zone flows. It is further recommended that a more realistic approach for determining the contribu...

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The vitamin D status depends on the production of vitamin D3 in the skin under the influence of Superb Vibram Five Fingers Mens Kso Shoes Blue Orange ultraviolet radiation and vitamin D intake through the diet or vitamin D supplements. ...

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Sand-rich submarine fans are radial or curved in plan view depending on the slope of the basin floor. They occur isolated or in coalescing systems. The fans' average lateral extent measures close to 25 km and their thickness usually les...

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going trip can be sent before the crew leaves Earth via a cargo spacecraft using a low-thrust engine having high specific impulse. Numerical computation shows that, if both aerobraking techniques and cargo transportation techniques are emp...

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for the detection of tuberculous mycobacteria in Ziehl-positive samples and the detection of rifampicin resistance in three hours. Rapid identification can be achieved with protein spectrum analysis by mass spectrometry. Finally, genotypin...

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likely to enter as extrinsic parameters or driving forces similar to mutation rates, rather than as causal outcomes of developmental and behavioral events within the system. This limits their usefulness in applications to culturally transm...

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We experimentally investigated interacting effects of canopy gaps, understory vegetation and leaf litter on recruitment and mortality of tree seedlings at the community level in a 20-year-old lowland forest in Costa Rica, and tested se...

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channelized outer fan successions through bed correlation tests which reflect their different stratigraphic architectures and bedding patterns. Bedding in outer fan deposits (lobes) is relatively simple, parallel, and regular. The lateral ...

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