Tag: Preparation

Models of Science Teacher Preparation Theory into Practice


Free Download D.R. Lavoie, W.M. Roth, "Models of Science Teacher Preparation: Theory into Practice"
English | 2002 | pages: 227 | ISBN: 9048157552, 0792371291 | PDF | 1,4 mb
1 Wolff Michael Roth & Derrick R. Lavoie² 1 2 University of Victoria, Virtual Institute for Learning Resources The current reform in science education requires a substantive change in how science is taught. Implicit in this reform is an equally substantive change in professional devel- ment practices at all levels. (NRC, 1996,p. 56) In a continuously changing society, it is not surprising that education also undergoes continuous change. Science education is no exception, and perhaps changes are more rapid given the daily construction of new scientific knowledge. In such a c- mate of continuous change, the preparation of science teachers has to follow suit in order to be appropriate to the reforms that national organizations encourage. H- ever, whereas science teaching reform movements spawned recommendations of what teachers should know and be able to do in order for their students to concep- alize and process science (NSTA, 1997), they provide little guidance in terms of – the-classroom concrete implementation. Thus, while national science education organizations continue to refine their positions about teacher education, there is no mechanism for translating these positions and statements into science education courses that can improve the preparation and quality of p- service science teachers at both the elementary and secondary levels. (Yager & Penick, 1990. p. 670) It is therefore not surprising that there are voices that describe teacher prepa- tion as unsuccessful and as unresponsive to reform efforts (Schnur & Golby, 1995).

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Handbook of Hydroxyacetophenones Preparation and Physical Properties


Free Download J. Robert Martin, "Handbook of Hydroxyacetophenones: Preparation and Physical Properties"
English | 2005 | pages: 1114 | ISBN: 1402022905 | PDF | 4,9 mb
Third Edition entitled Aromatic Hydroxyketones: Preparation and Physical Properties to be published in 2010 as a 4-volume handbook set including: Vol. 1: HydroxybenzophenonesVol. 2: Hydroxyacetophenones IVol. 3: Hydroxyacetophenones IIVol. 4: Hydroxypropiophenones, Hydroxyisobutyrophenones, Hydroxypivalophenones and Derivatives——–Hydroxyacetophenones constitute the starting material for a wide variety of syntheses in organic chemistry. They are versatile building blocks serving many different applications, such as specialty polymers, pharmaceuticals and fine chemicals. In this Handbook the diverse ways of obtaining over 3000 hydroxyacetophenones are described and their physico-chemical properties and spectroscopic data references are indicated. The Handbook is presented in dictionary style, with a logical classification of the ketones, making the information easily available for consultation.Ketones are classified methodically. They are thus easily accessible from three tables: – the molecular formula index – the chemical abstracts registry – the usual names index. This completely revised and enlarged edition includes: – 10 additional chapters compared with the previous edition which had just 2 chapters – an additional 1500 ketones – updated information for 1200 ketone entries – the addition of di- and polyketones – approximately 3500 references. This Handbook is the reference on hydroxyacetophenones. It is a powerful synthesis tool for the researcher or industrial producers. Nowhere else are so many compounds covered or the physical properties and relevant syntheses provided. It provides a wide choice of hydroxyketones required to achieve syntheses based upon this range of intermediates.

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Mnemonics for Radiologists and FRCR 2B Viva Preparation A Systematic Approach


Free Download Mnemonics for Radiologists and FRCR 2B Viva Preparation: A Systematic Approach
English | 2024 | ISBN: 1908911956 | 257 Pages | PDF (True) | 63 MB
FRCR examination candidates will appreciate the unified structure throughout, with extensive use of sample images followed by sets of differential diagnoses and mnemonic listings. For each stem of the mnemonic, the main radiological findings and useful distinguishing features are listed and a model answer is given. A short discussion of the main diagnoses follows, increasing comprehension and aiding examination confidence.

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