Results 61 to 70 of about 1,617,954 (198)

Geographical distribution of Betula humilis Schrank in Ukraine

open access: yesІнтродукція Рослин, 2004
The map of Betula humilis Schrank distribution was formed as a result of the analysis of herbarium samples and literature data. The regressive changes in the area of the species are determined.
V.I. Melnik, L.A. Savchuk
doaj   +1 more source

Knowledge, Innovation and Agglomeration - regionalized multiple indicators and evidence from Brazil [PDF]

open access: yes
This paper develops multiple indicators to map the geographical distribution of knowledge and scientific and technological capabilities as proxies of the geographical distribution of Science, Technology & Innovation activities, and applies such ...
Joao Furtado   +3 more
core  

Empirical analysis of the ship-transport network of China

open access: yes, 2007
Structural properties of the ship-transport network of China (STNC) are studied in the light of recent investigations of complex networks. STNC is composed of a set of routes and ports located along the sea or river.
Feng Liu   +3 more
core   +1 more source

High- and low-impact citation measures : empirical applications. [PDF]

open access: yes
This paper contains the first empirical applications of a novel methodology for comparing the citation distributions of research units working in the same homogeneous field.
Albarrán, Pedro   +2 more
core   +3 more sources

Floristic study of Kasf forest (Khorasan Razavi Province)

open access: yesیافته‌های نوین در علوم زیستی, 2014
Kasf forest, with an area of over 12 ha, running in the east-west direction and located at a distance of 20 kilometers in the north of the city of Bardaskan in a mountainous arid region. The minimum and maximum temperature of the area ranges between -10°
Hassan Zare- Maivan   +3 more
doaj  

The impact of foreign direct investment inflows on regional labour markets in Hungary [PDF]

open access: yes
The objective of this paper is to examine the nature and determinants of the regional distribution of foreign investment enterprise (FIE) employment in Hungary.
Karoly Fazekas
core  

Ethnic Minority Self-Employment in Germany: Geographical Distribution and Determinants of Regional Variation [PDF]

open access: yes
In Germany self-employment among foreigners increased significantly in recent years. We study the geographical distribution of ethnic minority self-employment in Germany and find determinants for variations in start-up activities across 440 ...
Jana Bruder, Solvig Räthke-Döppner
core  

Focal Firms as Technological Gatakeepers within Industrial Districts Knowledge Creation and Dissemination in the Italian Packaging Machinery Industry [PDF]

open access: yes
Despite the diffusion of communication tools and boundary spanning technologies, knowledge flows in innovation processes retain a distinct localized nature in many industries and geographical clusters emerge as critical areas to foster technological ...
Alessandro Malipiero   +2 more
core  

Mapping the geographical distribution of yaws

open access: yesThe Lancet Global Health, 2015
David Mabey
doaj   +1 more source

Mapping Sectoral Patterns of Technological Accumulation into the Geography of Corporate Locations. A Simple Model and Some Promising Evidence [PDF]

open access: yes
Economies of agglomeration are central in understanding the emergence of industrial clustering. However, existing models that incorporate economies of agglomeration to explain industrial concentration have been providing a quite small set of empirically ...
Giorgio Fagiolo   +2 more
core  

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