Form and formation of flares and parabolae based on new observations of the internal shell structure in lytoceratid and perisphinctid ammonoids

Shell characteristics of poultry layer birds fed husk based diets with or without microbial additives. Yolk and cholesterol characteristics of poultry layer birds fed husk based

Fractures were made in all samples. Figure 1 shows fractures of test bars cast from the examined high-aluminium iron in base condition and with the addition of vanadium

The structure of the remelting zone of the steel C90 steel be- fore conventional tempering consitute cells, dendritic cells, sur- rounded with the cementite, inside of

social assistance. The protection of jobs within some enterprises, cooperatives, forms of economical associations, constitute an efficient social policy, totally different from

fortunei ’s shell showing the layers and how they are organized; upper part is the outside of the shell and lower part is the internal side; in sequence: periostracum, proteinic

prismatic samples, and MIP determinations for the mortar layer on brick and the plaster 418. on the outdoor protected experimental wall are given in

The perispore is three-layered in section: the inner layer is adhered to the exospore, the middle layer is formed of a three-dimensional network of threads and the outer layer is

minor in the understory layer of primary forest. Taxonomy of