نتایج جستجو برای: area product

تعداد نتایج: 848419  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

2006
Inge van de Weerd Sjaak Brinkkemper Richard Nieuwenhuis Johan Versendaal Lex Bijlsma

In the last decade, software product management has received much practical attention, though research in this area is still scattered. In this paper, we give a status overview of the current software product management domain by performing a literature study and field studies with product managers. The results are used to develop a reference framework for software product management, in which ...

2016
Ville Pihlajaniemi Mika Henrikki Sipponen Anne Kallioinen Antti Nyyssölä Simo Laakso

BACKGROUND Explaining the reduction of hydrolysis rate during lignocellulose hydrolysis is a challenge for the understanding and modelling of the process. This article reports the changes of cellulose and lignin surface areas, porosity and the residual cellulase activity during the hydrolysis of autohydrolysed wheat straw and delignified wheat straw. The potential rate-constraining mechanisms a...

2017
Kerri Kuhn Anita Love

Despite the size and growth of the computer and video gaming industry – as well as the increasing use of the medium for the placement of advertising and product placement – researchers have neglected this area. By drawing on existing literature and research in similar and related areas of film product placement, sponsorship and interactivity, the authors present a conceptual overview and identi...

Journal: :Chemical communications 2015
Zhigang Li Huayong Chen Weifei Wang Man Qu Qingyun Tang Bo Yang Yonghua Wang

Highly efficient interfacial enzymatic hydrolysis of oil was achieved in a three-liquid-phase system, wherein the substrate constituted one of the phases. The enlarged interfacial area and relieved product inhibition were responsible for the high catalytic efficiency. Convenient product isolation and the high reusability of the enzyme were also demonstrated.

2007
Fernando Calheiros Vilmar Nepomuceno Paulo Borba Sérgio Soares Vander Alves

With the growing academic and industrial interest in Software Product Lines (SPL), one area demanding special attention is tool support development, which is a pre-requisite for widespread SPL practices adoption. In this paper, we present FLiPEx, a code refactoring tool that can be used for extraction of product variations in the context of developing mobile game SPLs.

2016
WILLIAM T. ROSS

A finite Blaschke product is a product of finitely many automorphisms of the unit disk. This brief survey covers some of the main topics in the area, including characterizations of Blaschke products, approximation theorems, derivatives and residues of Blaschke products, geometric localization of zeros, and selected other topics.

2007
Arie van Deursen Merijn de Jonge

We present a language-independent approach for product line initiation and evolution. Our approach is based on a decomposition of a product line into packages. These packages constitute the build time variation points of the product line. They can be configured, selected, combined, and extended in order to yield tailormade products for individual customers. In order to reduce initial investment...

2007
Caliane Bastos Borba Costa Rubens Maciel Filho

In the product design area, the major concern is how to obtain the desired product requirements in a physically possible and economical process way. A reverse engineering based approach is proposed here for the generation of possible process alternatives applied to crystallization area, in order to obtain desired crystal features. The called umbrella-like approach integrates thermodynamics and ...

2002
Amir R. Attarha Mehrdad Nourani

In this paper, we present a high-speed low power signed multiplier with improved booth encoders and partial product generators. Our partial product generator includes only two 2-1 multiplexers in it's critical path, while previously-designed partial product generators are using three multiplexers [1] or equivalently more logic level gates [2] in their critical paths. 4:2 Compressors connected i...

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