Second Order Fit for Mercuric Chloride Catalysed Solvolysis of Alkyl Chlorides in Aqueous DMSO Solvents

Kinetics of mercuric chloride catalysed solvolysis of l-butyl chloride, benzyl chloride. p-methylbenzyl chloride, l-phenylethyl chloride and triethylcarbinyl chloride have been studied in aq. DMSO, aq. acetonitrile and aq. ethanol. The kinetic data fit a second order rate equation in aq. DMSO. The calculated values of the second order rate coefficients increase in the case of aq. acetonitrile and aq. ethanol. The order in catalyst in 95%(v/v) aq. DMSO is less than unity.

Plan de empresa Bambú Gurmet Fit

El presente escrito tiene como objetivo ilustrar la elaboración del plan de empresa y factibilidad para implantar el concepto de restaurante y vida gourmet fitness a través del establecimiento de Bambú Gourmet Fit. En este sentido, y con el fin de entrar a un mercado competitivo con las mayores posibilidades de éxito posibles, es necesario visualizar de antemano el panorama administrativo, técnico, financiero, de mercadeo y de competencia para planear las estrategias pertinentes del desarrollo del proyecto presente. Así, Bambú Gourmet Fit tiene como enfoque principal brindar una excelente atención al público, tener una ubicación favorable, ofrecer productos de buena calidad y precios competitivos. De manera que, sea un restaurante sobresaliente en el mercado local.

Keep Fit (muévete) : un crédito interdisciplinario de educación física e inglés.

Se presenta una experiencia de enseñanza interdisciplinaria de educación física e inglés en educación secundaria. El material se elaboró en el curso 1991-1992, y presenta las siguientes características, por un lado la materia del inglés y la materia de educación física dejan de ser dos materias separadas para integrarse en una sola y, por otro lado, todos los alumnos y alumnas participan en la experiencia, incluyendo el alumnado que habitualmente estaría exento de educación física, el trato a la diversidad permite integrar a todos los alumnos y alumnas según sus aptitudes y necesidades. Se describe la fundamentación del programa así como las características y metodología seguida en su implementación.

Validaci??n de la versi??n en espa??ol de la escala de los factores que influyen en la elecci??n de los estudios de educaci??n (FIT-choice)

Resumen basado en el de la publicaci??n

A comparison of three hearing aid manufacturers' recommended first fit to two generic prescriptive targets with the pediatric population

The purpose of this study is to compare three hearing aid manufacturers' recommended "First Fit" to the generic recommended fittings by DSL i/o and NAL-NL1 for a 12 month old child with varying degrees of sensorineural hearing loss.

Decoupling EU farm support: Does the new single payment scheme fit within the green box?

Recent reform of the EU’s Common Agricultural Policy (CAP) has led to a further decoupling of farm support. The EU believes that the new Single Payment Scheme, which replaces the former system of area and headage payments to farmers, tied to production, will qualify for green-box status in the WTO. We examine this contention, particularly in light of the recent WTO panel report on upland cotton.

Induced-fit binding of π-electron donor substrates to macrocyclic aromatic ether-imide-sulfones: a versatile approach to molecular assembly

Novel macrocyclic receptors which bind electron-donor aromatic substrates via π-stacking donor- acceptor interactions are obtained by cyclo-imidization of an amine-functionalized arylether-sulfone with pyromellitic- and 1,4,5,8-naphthalene-tetracarboxylic dianhydrides. These macrocycles complex with a wide variety of π-donor substrates including tetrathiafulvalene, naphthalene, anthracene, pyrene, perylene, and functional derivatives of these polycyclic hydrocarbons. The resulting supramolecular assemblies range from simple 1:1 complexes, to [2]- and [3]-pseudorotaxanes, and even (as a result of crystallographic disorder) an apparent polyrotaxane. Direct, five-component self-assembly of a metal-centred [3]pseudorotaxane is also observed, on complexation of a macrocyclic ether-imide with 8-hydroxyquinoline in the presence of palladium(II) ions. Binding studies in solution were carried out by 1H NMR and UV-visible spectroscopy, and the stoichiometries of binding were confirmed by Job plots based on charge-transfer absorption bands. The highest association constants are found for strong π-donor guests with large surface-areas, notably perylene and 1-hydroxypyrene, for which Ka values of 1.4 x 103 and 2.3 x 103 M-1 respectively are found. Single crystal X-ray analyses of the receptors and their derived complexes reveal large, induced-fit distortions of the macrocyclic frameworks as a result of complexation. These structures provide compelling evidence for the existence of strong, attractive forces between the electronically-complementary aromatic π-systems of host and guest.

Fit to be seen: stencils for architects, engineers and surveyors

A survey of stencils as used by architects, engineers and surveyors in the 18th, 19th and 20th centuries.