The theory of an exciton formed from a spatially separated electron and a hole is developed within the framework of the modified effective mass method. The effect of significantly increasing the exciton binding energy in quantum dots of zinc selenide, synthesized in a borosilicate glass matrix and relative to that in a zinc selenide single crystal is revealed. It is shown that the short-wavelen…
The year 2001 marked the tenth anniversary of Taiwan’s multi-party elections. The National Assembly elections of 1991 and the forced retirement of the senior parliamentarians elected in the 1940s on the Chinese mainland signify the begin- ning of democratic elections that for the first time had the potential to bring about a change in the ruling party. Ten years have passed, offering a timely…
You’ve survived all those technical accounting courses, advanced courses, systems, auditing, cost, and tax, and now you’re ready to take the big exam. But perhaps in those intermediate or advanced courses, you didn’t receive enough expo- sure to research in the accounting standards, the auditing standards, or the tax code. No problem! This little book is designed to quickly bring you up…
My premise is that the destiny of man is to emerge or evolve toward an advancing potential and that individual liberty is essential to such progress. Unless a reader shares my premise, he will not respond to my reasoning; nor will it be possible for him to arrive at my conclusions. He may have his eye set on a star I do not see or, if seeing, care nothing whatsoever about. I side with Th…
Communication has always played a pivotal role in the evolution of human culture, societies and civilisation. From symbols, cave paintings, petroglyphs, pictograms, ideograms and alphabet based forms of writing, to computerised forms of communication, such as the Web, search engines, email, mobile phones, VoIP Internet telephony, television and digital media, communication technologies have bee…
The worldwide rise in natural and man-made disasters in the last two decades has questioned the very preparedness to cope with them. Although less frequent, such disasters occur with high impact and completely disrupt the daily lives of people resulting in huge loss of lives and capitals to the extent of wiping out the entire city. Countries the world over have been developing mechanisms to dea…