Results 11 to 20 of about 7,216,063 (252)

Impact of external sources of infection on the dynamics of bovine tuberculosis in modelled badger populations [PDF]

open access: yesBMC Veterinary Research, 2012
Background The persistence of bovine TB (bTB) in various countries throughout the world is enhanced by the existence of wildlife hosts for the infection. In Britain and Ireland, the principal wildlife host for bTB is the badger (Meles meles).
Hardstaff Joanne L   +4 more
doaj   +2 more sources

Secular variations of the geomagnetic field at the African plate

open access: yesГеофизический журнал, 2017
Geomagnetic secular variations at the African plate consist of shortperiod and longperiod components. Shortperiod SV depends on solar activity. To separate longperiod SV for the Athens magnetic observatories with confidence is impossible so, as rows of ...
Yu. P. Sumaruk, T. P. Sumaruk
doaj   +1 more source

Internal and external scripts in computer-supported collaborative inquiry learning [PDF]

open access: yes, 2007
We investigated how differently structured external scripts interact with learners’ internal scripts concerning individual knowledge acquisition in a Web-based collaborative inquiry learning environment.
Slotta, J. D.   +4 more
core   +1 more source

Sources of Information as Determinants of Product and Process Innovation. [PDF]

open access: yesPLoS ONE, 2016
In this paper we use a panel of manufacturing firms in Spain to examine the extent to which they use internal and external sources of information (customers, suppliers, competitors, consultants and universities) to generate product and process innovation.
Jaime Gómez   +2 more
doaj   +1 more source

Internal vs. external promotion, part one: seven reasons why external promotion is easier

open access: yes, 2018
Climbing the academic career ladder can be a slow, frustrating, and opaque process. Some academics may be unsure whether to seek promotion within their own institutions or to look to another university for advancement opportunities. In the first of a two-
Harzing, Anne-Wil
core   +5 more sources

URDU-INTERNAL AND EXTERNAL SOURCES OF QUR'ANIC EXEGESIS; IN THE LIGHT OF THE THOUGHTS OF HAMIDUDDIN FARAHI AND AMIN AHSAN ISLAHI

open access: yesدی اسکالر, 2022
Tafthir (Quranic exegesis) is a significant science that pursues the interpretation of the Quran by various means. Hamiduddin Farahi was a renowned Islamic Scholar of India, who is famous for his notion of Nazm (coherence). Amin Ahsan Islahi, an eminent
Muhammad Ishfaq, Samreena Gulzaar
doaj  

Background electromagnetic noise characterization: the role of external and internal Earth sources

open access: yesAnnals of Geophysics, 2015
The Earth is surrounded by the ionosphere and magnetosphere that can roughly be seen schematically as two concentric shells. These two composed and inhomogeneous structured shells around the Earth selectively affect electromagnetic (EM) waves propagation.
Antonio Meloni   +3 more
doaj   +1 more source

Synchronized Switch Harvesting on Capacitor Integrated Circuit for Piezoelectric Energy Harvesting Application

open access: yesZhongguo dianli, 2021
An improved efficient energy harvesting integrated circuit is proposed for piezoelectric energy sources. By using the synchronized switch harvesting on capacitor (SSHC) interface circuit, the charge re-sharing is realized when the internal current source
Shiquan FAN   +3 more
doaj   +1 more source

AN ALGORITHM OF IDENTIFICATION OF THE OPTIMAL COMBINATION OF INTERNAL AND EXTERNAL SOURCES OF SUPPLY FOR THE FORMATION OF THE SYSTEM OF FOOD SUPPLY OF THE ARMED FORCES IN THE ARCTIC ZONE OF RUSSIAN FEDERATION

open access: yesНаука Красноярья, 2019
The Arctic group of the Armed Forces of Russian Federation that is being formed now requires stable food supplies. However economic, logistic and climatic conditions of this region make the formation of the system of food supply difficult and require a ...
Ruslan Satvaldovich Zheishev   +1 more
doaj   +1 more source

Test anxiety and metamemory: General preference for external over internal information storage. [PDF]

open access: yes, 2001
Substantial evidence suggests that test anxiety is associated with poor memory performance. The relationship between test anxiety and metamemory, however, has remained largely unexplored.
Stoeber, Joachim, Esser, Klaus B.
core   +1 more source

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