the nutritional value of cereal straw can be increased using urea treatments as a source of ammonia. the conventional urea treatment process for cereal straw is a laborious and time-consuming task. it is essential to facilitate or eliminate part of the procedure with the use of machinery. this study examines the mechanical urea treatment of wheat straw and compares chemical components and diges...

Todas as afirmações efectuadas no presente documento são da exclusiva responsabilidade do seu autor, não cabendo qualquer responsabilidade à Faculdade de Medicina de Lisboa pelos conteúdos nele apresentados.

background: this work investigated the dosimetry limitations of the random and systematic uncertainties of sliding window (sw) intensity modulated radiation therapy (imrt). materials and methods: a varian 21ex linear accelerator, pinnacle3 treatment planning system and radiographic film dosimetry was used. the limitations of the sw were studied using beam modulation ranging from 2 to 100 mu/bea...

OBJECTIVE Some patients with treatment resistant depression may have a difficult to recognize and therefore untreated thought disorder. Even a subtle disorder may significantly impact patients' lives. This case illustrates a mechanism for identifying and treating this subgroup of patients. METHOD The treatment of a 67-year-old female with intractable depression is described. RESULTS The Ror...

OBJECTIVE To present a case of bilateral subtalar joint coalition in a National Collegiate Athletic Association Division I basketball player and the treatment plan that was used to manage the coalition from the beginning of conference play through the postseason. BACKGROUND A 20-year-old male basketball athlete (height = 182.8 cm, mass = 83.4 kg) presented with bilateral subtalar joint tarsal...

Pulsed shortwave diathermy, an electromagnetic therapy, has been in clinical use for acute and chronic musculoskeletal pain for many decades. Innovation, miniaturization and advances in technology have allowed for the development of a new generation of shortwave devices that deliver a localized, low fixed dose of shortwave therapy. Clinical research has shown that these novel shortwave devices ...