49,209 research outputs found

    G-load indicator and warning device for aircraft

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    Device facilitates pilot control of g-load maneuvers and provides immediate indication of g-load constraint violations. It may be used in test flights, in aircraft simulators, or in displays of performance of remotely piloted aircraft

    The Counter Narrative: Reframing Success of High Achieving Black and Latino Males in Los Angeles County

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    This report highlights young men who are the products of high expectations. We take time to shine a spotlight on the resilient, intelligent, and caring young men across Los Angeles County. This report takes an unapologetic stance in stating that these young men who are thriving in their homes, taking on leadership roles in their schools, and making a difference in their communities. This report is not intended to be full of the doom and gloom about what is wrong with young Black and Latino men. To the contrary, we take the time to center their voices, hear their stories, and listen to their takeaways about how they have accomplished what they are doing and the recommendations that they offer on how to support other Black and Latino young men just like them

    Means for suppressing or attenuating bending motion of elastic bodies Patent

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    Development of systems for automatically and continually suppressing or attenuating bending motion in elastic bodie

    Nutritional quality and calorific value of Amazonian forest litter

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    A study on the nutritional quality of litter from an Amazon terra firme forest was carried out to supplement quantitative data on litter production previously published by KLINGE and RODRIGUES (1968). Analyses for the following constituents were carried out: cell-wall and non cell-wall fractions, crude protein, total mineral ash, polyphenols, and caloric values. Reasons are given for choosing these variables. Mineral ash and protein values were very low, whilst cell-wall fractions, which are a measure of the amount of undigestible material, were high, as were caloric values. Polyphenols were also relatively high. These factors together indicate that the litter is a very low grade forage. Amazon leaf litter has high caloric values compared with published figures from other tropical forests. The following hypothesis was offered to explain these high values: as mineral nutrients are severely limiting in this ecosystem, not all the products of photosynthesis can be channeled into plant growth. Large proportions of these photosynthetic products are therefore probably accumulated in the leaves as reduced high energy compounds such as waxes, resins etc. Available data do in fact indicate that primary production is relatively low. The low quality forage which the leaf litter offers may be a contributing factor to the low animal biomass of the Amazon forests

    Rigid-body motion extracted from total motion of a flexible body

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    Control system eliminates or reduces flexibility effects on the manual and automatic control of large flexible vehicles. It extracts rigid-body and flexible-body motion and adapts well when a flexible-body frequency coincides or nearly coincides with the control mode frequency
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