ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • AIRCRAFT DESIGN, TESTING AND PERFORMANCE  (1)
  • Milkweed bug  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Makisterone A: Its distribution and physiological role as the molting hormone of true bugs (1984)
    Springer
    Cellular and molecular life sciences 40 (1984), S. 996-997 
    Details
    ISSN: 1420-9071
    Keywords: Milkweed bug ; Oncopeltus fasciatus ; makisterone A ; molting hormone ; ecdysteroid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Makisterone A, a 28-carbon (C-24 alkyl) hexahydroxy steroid, has been identified by mass spectrometry as the major ecdysteroid in last-stage larvae of the large milkweed bug,Oncopeltus fasciatus, a phytophagous hemipteran. Similarly, it is a major molting hormone in 2 phytophagous and 1 predacious species of Hemiptera belonging to the group, Pentatomomorpha. It is not, however, a major ecdysteroid in another group of Hemiptera, the Cimicomorpha, where 1 predacious and 2 hematophagous species contain ecdysone and 20-hydroxyecdysone as their major molting hormones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01946477
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    facet.materialart.
    Unknown
    Application of advanced technologies to small, short-haul aircraft (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The results of a preliminary design study which investigates the use of selected advanced technologies to achieve low cost design for small (50-passenger), short haul (50 to 1000 mile) transports are reported. The largest single item in the cost of manufacturing an airplane of this type is labor. A careful examination of advanced technology to airframe structure was performed since one of the most labor-intensive parts of the airplane is structures. Also, preliminary investigation of advanced aerodynamics flight controls, ride control and gust load alleviation systems, aircraft systems and turbo-prop propulsion systems was performed. The most beneficial advanced technology examined was bonded aluminum primary structure. The use of this structure in large wing panels and body sections resulted in a greatly reduced number of parts and fasteners and therefore, labor hours. The resultant cost of assembled airplane structure was reduced by 40% and the total airplane manufacturing cost by 16% - a major cost reduction. With further development, test verification and optimization appreciable weight saving is also achievable. Other advanced technology items which showed significant gains are as follows: (1) advanced turboprop-reduced block fuel by 15.30% depending on range; (2) configuration revisions (vee-tail)-empennage cost reduction of 25%; (3) leading-edge flap addition-weight reduction of 2500 pounds.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-CR-152089 , D6-46320
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...