Tree height is a fundamental measurement in forest inventory studies and critical variable for the assessment of tree biomass, carbon stock site productivity. However, measuring often challenging task may generate errors. This study provides an accuracy analysis heights measured through different methods ranging from traditional techniques (thumb rule stick method) to trigonometric equipment (c...

This study investigated the effects of special video instruction on senior secondary school students’ anxiety towards mensuration in Gwagwalada, Nigeria. It employed a quasi-experimental design pre-test post-test non-randomized and non-equivalent control group type. The population comprised all 1 students Gwagwalada area council. Three-stage sampling technique was applied to select two equivale...

In a previous paper of this series a flat form of the dried collodion membrane and its method of preparation was described (1). As this form of membrane presented certain advantages in durability and convenience of manipulation over the previously used bag membranes, it was the type used in most of the subsequent investigations. Electric transfer experiments in which relatively strong electric ...

The dimensions of spermatozoa from different levels of the reproductive tract were measured in 6 buffalo-bulls castrated under local anesthesia ; the same measurements were taken in the semen of 6 breeding buffalo-bulls. During transit from caput to cauda epididymis the sperm showed a significant increase in the length of head and main piece. However, a significant decrease was observed in midd...

The research aims at revealing the following:Recognizing values, variables (forceplatform) for weightlifter two side right and left in snatch lift.Recognizing values variance lift.Two researchers used descriptive approach its relevance nature of problem, while sample was chosen a deliberate, they are weightlifters Nineveh province team numbers (5).weightlifters.Two test movement analysis mensur...