Neste trabalho investigou-se o efeito de poliisobutenos (PIB´s), de massas molares variando de 480 a 1.600 g/mol, no polipropileno isotático. Composições contendo até 7% dos PIB´s foram preparadas em misturador interno e corpos de prova foram ...
Uédson Alexandre do Nascimento +2 more
doaj
Preparing oxidizer coated metal fuel particles [PDF]
A solid propellant composition of improved efficiency is described which includes an oxidizer containing ammonium perchlorate, and a powered metal fuel, preferably aluminum or beryllium, in the form of a composite.
Shafer, J. I., Simmons, G. M.
core +1 more source
Microstructure and Tensile Properties of Melt-Spun Filaments of Polybutene-1 and Butene-1/Ethylene Copolymer. [PDF]
Li J +11 more
europepmc +1 more source
Crystal structures and polymorphism of polymers: Influence of defects and disorder [PDF]
The crystal structures and the polymorphism of polymers are described on the basis of the main principles that define the conformation of polymer chains in the crystalline state and the modes of packing of macromolecules.
Auriemma, Finizia +3 more
core +1 more source
The II-I Phase Transition Behavior of Butene-1 Copolymers with Hydroxyl Groups. [PDF]
Li Y, Li T, Li W, Lou Y, Liu L, Ma Z.
europepmc +1 more source
Avaliação de acessos de coqueiro-gigante em relação ao nível de infestação e severidade do dano provocado pelo ácaro-da-necrose. [PDF]
Anais do 1º Simpósio da Rede de Recursos Genéticos Vegetais do Nordeste (I RGVNE), Cruz das Almas, nov ...
FERREIRA, J. M. S., RAMOS, S. R. R.
core
Attapulgite Structure Reset to Accelerate the Crystal Transformation of Isotactic Polybutene. [PDF]
Mao SD +9 more
europepmc +1 more source
Time dependent fracture of polymers [PDF]
The fracture behavior of polymers is reviewed with emphasis on the time dependent aspects of the problem. Following a delineation of the history of crack propagation investigations in linearly viscoelastic materials, the effects of temperature and ...
Knauss, W. G.
core
Seasonal phenology of the diamondback moth, Plutella xylostella (L.), (Lepidoptera: Plutellidae), and its parasitoids on canola, Brassica napus (L.), in Gauteng province, South Africa [PDF]
Canola, Brassica napus L. (Brassicaceae), is a relativelynewcrop in SouthAfrica. Several insect pests, including diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), that attack cruciferous vegetables, also attack canola.
Kfir, R +2 more
core +1 more source

