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D. D. Liu


Click on the titles below to find US government-authored or -collected reports written by D. D. Liu

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Active Flutter Suppression Using Astros With Smart Structures and Ase Modules JUN 2001 12 pages
Authors:  C. Nam; P. C. Chen; D. D. Liu; ZONA TECHNOLOGY INC SCOTTSDALE AZ
The full text of this report is available for sale.Recent development of a smart structures module and its successful integration with a multidisciplinary design optimization software ASTROS* and an Aeroservoelasticity (ASE) module is presented. Application examples have been worked out to demonstrate the integrated software capability. These include the neural net based active flutter suppression of a modeled F-16 wing using piezoelectric(PZT) actuators the gust-load alleviation of a modeled F-l8 aircraft using control surfaces and trim drag reduction of ...


RELATIONSHIP BETWEEN THE NEUROTOXICITIES OF SOMAN, SARIN AND TABUN, AND ACETYLCHOLINESTERASE INHIBITION. 1986
Authors:  B. Hoskins; J. C. R. FERNANDO; M. D. DULANEY; D. K. LIM; D. D. Liu; MISSISSIPPI UNIV MEDICAL CENTER JACKSON DEPT OF PHARMACOLOGY AND TOXICOLOGY
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.ACETYLCHOLINESTERASE (ACHE)-INDUCED CHEWING MOVEMENTS, TREMORS, CONVULSIONS AND HIND LIMB ABDUCTION AT DOSES OF 50-85 PERCENT LD50 IN RATS WERE MONITORED IN ORDER TO DETERMINE WHETHER THE SEVERITY OF THESE DIFFERENT SIGNS WOULD CORRELATE WITH BRAIN ACHE LEVELS AND THE TIME COURSE OF SUCH A RELATIONSHIP. THIRTY MINUTES AFTER SUBCUTANEOUS INJECTION OF SOMAN, THE INTENSITIES OF TOXIC SIGNS WERE SIGNIFICANTLY CORRELATED WITH THE DEGREE OF STRIATAL ACHE INHIBITION. IN THE CASE ...


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