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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    BioControl 35 (1990), S. 283-291 
    ISSN: 1573-8248
    Keywords: mold control ; artificial medium ; Trichogramma ; egg parasite ; development ; fungicide ; moisissures ; milieux artificiels ; Trichogramma ; oophage ; développement ; fongicide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé Dix agents chimiques réputés antifongiques ont été testés pour l'élevage en milieux artificiels deTrichogramma dendrolimi Matsu. Les tests ont été effectués en France en utilisant des œufs hôtes artificiels. La plupart des antifongiques ne sont pas efficaces contre les moisissures ou sont toxiques pour les Trichogrammes aux doses efficaces. La Généticine, l'Amphotérycine B et la Nystatine, utilisées aux concentrations adéquates, sont capables de contrôler efficacement les moisissures sans perturber le développement des Trichogrammes. Ces derniers antifongiques ont aussi été testés en conditions réelles de production de masse, à Guangzhou (Chine).
    Notes: Abstract Ten chemicals known to be fungicides are tested in artificial media forTrichogramma dendrolimi Matsu. [Hymenoptera: Trichogrammatidae]. Tests are performed in France by using artificial host egg capsules. Most of the fungicides cannot control fungus or are toxic forTrichogramma at effective levels. Geneticin, Amphotericin B and Nystatin, used at proper levels are able to control molds efficiently without modifyingTrichogramma development. These antifungals are also tested in actual conditions of mass production, in Guangzhou (China).
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2018-03-07
    Description: In this paper, three phosphates were used as modifiers to modify animal glue binder. The structural characteristics and thermal properties of animal glue binder treated with phosphates were studied by Fourier transform-infrared spectroscopy, gel permeation chromatography and derivative thermogravimetric analysis. The results showed that the modified animal glue binder had better sand tensile strength and lower viscosity than untreated animal glue binder. The best modification process was as follows: the optimal amount of sodium carbonate was 4 wt% to animal glue; the optimal weight ratio of the modifiers was sodium pyrophosphate : sodium tripolyphosphate : sodium hexametaphosphate : animal glue = 3 : 3 : 4 : 100, and the optimal reaction should be performed at 80°C for a reaction time of 120 min. A final tensile strength of approximately 3.20 MPa was achieved and the viscosity value was approximately 880 mPa s.
    Keywords: materials science
    Electronic ISSN: 2054-5703
    Topics: Natural Sciences in General
    Published by Royal Society
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