The medical world, of recent years, has shown an increasing interest in the hereditary metabolic disorders and considerable research has been undertaken in an endeavour to follow the physical and biochemical problems involved. It is generally accepted that both the presence and absence of enzymes or enzyme functions are determined genetically, but it is not yet known whether a single gene, the ...

Queima da vagem e podridão de raízes da soja causadas por linhagens de Fusarium graminearum e produção de micotoxinas Amostras de sementes de soja (Glycine max) produzidas no Sul do Brasil estavam infetadas com Fusarium graminearum. Para determinar se membros desse complexo de espécies eram patogênicos à soja, seis isolados do fungo, originados de sementes soja, foram adicionados ao solo numa d...

The game of chess has always been viewed as an iconic representation of intellectual prowess. Since the very beginning of computer science, the challenge of being able to program a computer capable of playing chess and beating humans has been alive and used both as a mark to measure hardware/software progresses and as an ongoing programming challenge leading to numerous discoveries. In the earl...

introduction population growth and immigration are major causes of the most social changes in rural areas. accordingly, political change in a country is inevitable. so, this issue of iran’s rural settlements adopted and evolves. the rural habitations with population changes, the intensity of the positive effects of decentralization are receiving. your changes have been noted as being the basis ...

This study investigates to what extent collaborative knowledge construction can be fostered by providing students with visualization tools as structural support. Thirty-two students of Educational Psychology took part in the study. The students were subdivided into dyads and asked to solve a case problem of their learning domain under one of two conditions: 1) with content-specific visualizatio...

Triboelectric nanogenerators (TENGs) have been utilized to harvest various forms of mechanical energy from the environment as a sustainable power supply. However, TENGs usually generate high output voltages but low currents, limiting their potential uses. Hybrid harvesters based on provide promising method effectively use environmental conditions for harvesting by combining two or more working ...

This study investigates to what extent collaborative knowledge construction can be fostered by providing students with visualization tools as structural support. Thirty-two students of Educational Psychology took part in the study. The students were subdivided into dyads and asked to solve a case problem of their learning domain under one of two conditions: 1) with content-specific visualizatio...

Street lighting can contribute significantly to the visual environment of a historic downtown. Lighting technologies used in modern street lighting systems are very different from those used in street lighting a century ago. The present paper compares the lamps, luminaires and design approaches used for street lighting when it was first introduced to those of the present day. Also provided are ...

What should be covered in a business law textbook for undergraduate students? The question seems deceptively simple on first pass and yet, as it is further considered, variety of additional questions give rise to considerations that have an impact the answer. Some those new are highly subjective defy quantitative approach satisfactory For example, one possible answer “whatever major publishers ...

There is wide agreement on the importance of scaffolding for student learning. Yet, models of individual and face-to-face scaffolding are not necessarily applicable to educational settings in which a group of learners is pursuing a process of inquiry mediated by technology. The scaffolding needed for such a process may be examined from three perspectives: the organisation of activities, the aff...