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- Creators: Hristovski, Kiril
- Creators: Kim, Hyewon
Description
The process of learning orchestra reductions on the piano is rather different from learning a piece originally written for the piano. Even though Dvořák’s Concerto for Cello and Orchestra in b minor is among the most performed works for cello and orchestra, and has been transcribed carefully by both the composer and other editors, the existing piano reductions are not always representative of many important aspects of the original orchestral score. Some reductions have large portions with unplayable or uncomfortable passages for pianists, or imprecise notations compared to the original orchestration, such as inaccurate indications for dynamics, rhythms, and notes. In rehearsal and performance, the pianist is challenged to adapt and transform one of the existing reductions into a playable and productive piano reduction, one which creates Dvořák’s full orchestral sonorities while retaining clarity of voicing. The resulting sound can be infinite in variety, as individual decisions and reductions may differ greatly. This paper will explore the following: how to reduce this orchestral score and solve the technical problem involved in orchestral writing for piano while effectively producing the sound of the orchestra in the piano reduction. There will be a literature review on important published reductions and a brief history of the work and composer. While it is not possible to discuss in detail each passage that has been revised or altered, this paper will focus on and analyze representative and substantial passages, including the perspective of two different reductions: Bärenreiter (2011) and Bärenreiter Praha (2004). It will provide a detailed demonstration of each example and will make suggestions for changes which will concentrate on capturing the essence of the orchestral score at the piano. Chapter one introduces and presents current editions. Chapters two, three and four will discuss each movement of the concerto with detailed explanations about changes in certain passages and sections. The appendix will feature a new revised reduction of Dvořák’s Cello concerto in B minor.
ContributorsKim, Hyewon (Author) / Campbell, Andrew (Thesis advisor) / Norton, Kay (Committee member) / Ryan, Russell (Committee member) / Arizona State University (Publisher)
Created2020
Description
Hexavalant chromium (Cr(VI)) poses an emerging concern in drinking water treatment with stricter regulations on the horizon. Photocatalytic reduction of Cr(VI) was investigated as an engineering scale option to remove hexavalent chromium from drinking or industrial waters via a UV/titanium dioxide (TiO2) process. Using an integrated UV lamp/ceramic membrane system to recirculate TiO2, both hexavalent and total chromium levels were reduced through photocatalytic processes without additional chemicals. Cr(VI) removal increased as a function of higher energy input and TiO2 dosage, achieving above 90% removal for a 1g/L dose of TiO2. Surface analysis of effluent TiO2 confirmed the presence of chromium species.
ContributorsStancl, Heather O'Neal (Author) / Westerhoff, Paul K (Thesis advisor) / Chan, Candace (Committee member) / Hristovski, Kiril (Committee member) / Arizona State University (Publisher)
Created2013