(034–035) Proposals to amend Article 9.6 and Example 6

ACT-R 6 Proposals

ACT - R 6 Proposals Dan

This document is not that specification of the system, but more of a conceptual overview of what the pieces are that will need to be specified, along with some initial proposals for specifying things. In fact after some internal discussion of the proposals and initial work on a specification I chose to set the specification aside for now and instead implement a prototype of the proposals that w...

Article 6.indd

The chromatographic fractionation of the Mauritia flexuosa L. f., Arecaceae, leaves extract, a plant known by the name of buriti palm tree, resulted in the isolation of six flavonoids: tricin-7-O-rutinoside, apigenin-6-C-arabinoside, 8-Cglucoside (isoschaftoside), kaempferol-3-O-rutinoside (nicotiflorine), quercetin-3O-rutinoside (rutin), luteolin-8-C-glucoside (orientin) and luteolin-6-C-gluco...

Article 6.indd

The paper reports the qualitative and quantitative composition and its antifungal activities of Thymus capitatus (L.) Hoffmanns. & Link, Lamiaceae, essential oils isolated by hydrodistillation from the aerial parts of plants collected in Calabria, Southern Italy. The essential oils of 22 samples were analysed by GC-Flame ionization detection and GC/MS. A total of sixty five compounds were ident...

Constructive Proposals for Dealing with Attrition: An Empirical Example∗

Survey nonresponse and attrition undermine the validity of many and possibly most econometric estimates. In this paper, we discuss simple methods for assessing the nature of the damage caused by such problems. A fundamental component of the methods we discuss is partial randomization of non–response. We evaluate the performance of simple grouped data estimators for sample selection (a là Gronau...