Rocket research and pony express delivery
نویسندگان
چکیده
منابع مشابه
Research Express@NCKU - Articles Digest
Competition between two populations tends to eliminate one of the populations from their common habitat, when competition is focused on a single resource and when the populations do not otherwise interact. It is known that two microbial species competing for a single rate-limiting nutrient cannot grow together in a chemostat under steady-state operation, but eventually the species with the lowe...
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Service network design problems arise at airlines (passenger and cargo), trucking companies, railroads, etc., wherever there is a need to determine cost minimizing routes and schedules, given constraints on resource availability and level of service. We focus on a particular service network design application, namely, the express shipment delivery problem, and we develop models and a solution t...
متن کاملResearch Express@NCKU - Articles Digest
We report a simple stepped growth process for the synthesis of carbon nanotubes (CNTs) having excellent field emission properties. CNT growth was interrupted in the process. During the interruption, the catalyst was re-activated in-situ. This resulted in enhanced growth of the CNTs after the interruption and a film of CNTs re-grew on top of an existing CNT film at much higher rates. The enhance...
متن کاملResearch on Attitude Measurement for Ballistic Correction Rocket
Ballistic correction rocket is a kind of smart ammunition which can attach aims exactly. Based on domestic and foreign literature, the technology of flight attitude measurement technology was summarized. The process of the research includes independently inertial measurement unit and inertial navigation system. The previous stage is the measurement technology only depend on a navigation equipme...
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Our Nation is at a crossroads. Although far removed from the tragedies and chaos Dickens so poignantly described in his book, this dramatic paradox appears to have re-emerged in the American scientific community of the new century. The headlines in the scientific and popular press regularly highlight the budget crisis we now confront. The exploding federal budget deficit has sent a shiver throu...
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ژورنال
عنوان ژورنال: Cancer
سال: 1989
ISSN: 0008-543X,1097-0142
DOI: 10.1002/1097-0142(19890615)63:12<2387::aid-cncr2820631202>3.0.co;2-z