Despite advancements in the project management profession, research studies have revealed that many projects fail, emphasizing significance of manager's role as manager. This study looked at leadership implementation Rwanda's mining industry, using exploration gemstones an example. The specifically effects skills, experience, and style on a gemstone Rwanda. was founded trait theory, change stak...

In recent years, a new type of material called Philippines “Dushan jade” has appeared in the gemstone market China. This material, very similar appearance and physical properties to Dushan jade, an important ancient jade with long history China, is causing confusion poses identification difficulties. Microscopy, electron probe microanalysis, Fourier transform infrared (FTIR) spectroscopy, Raman...

Fable literature from Greek antiquity (Aesop) to today, East and West, has proven be of universal relevance timeless meaning, even if modern generations seem ignore increasingly that genre as something old-fashioned. Nevertheless, the value fables finds particularly powerful expression in collection fables, Der Edelstein, by Dominican Swiss-German poet Ulrich Bonerius (ca. 1350). Whereas many h...

The Co-Learn Web Interface is the first step of the integration of a full CSCL organisation support system with the World Wide Web. It allows users to browse and manage the co-operation settings of an Open and Distance Learning Environment according to their roles in the virtual organisation. After the first part which describes the Co-Learn background, the second part sets out the Co-Learn Web...

OBJECTIVE To evaluate the clinical value of using monochromatic images in spectral CT pulmonary angiography to improve image quality of bronchial arteries. METHODS We retrospectively analyzed the chest CT images of 38 patients who underwent contrast-enhanced spectral CT. These images included a set of 140kVp polychromatic images and the default 70keV monochromatic images. Using the standard G...

PURPOSE To quantitatively assess the value of dual-energy CT (DECT) in differentiating malignancy and benignity of solitary pulmonary nodules. MATERIALS AND METHODS Sixty-three patients with solitary pulmonary nodules detected by CT plain scan underwent contrast enhanced CT scans in arterial phase (AP) and venous phase (VP) with spectral imaging mode for tumor type differentiation. The Gemsto...