Results 11 to 20 of about 1,118,558 (260)

Entry diversion: Deterrence by diverting submarket entry [PDF]

open access: yesStrategic Management Journal, 2020
Abstract Research Summary Going back to Bain (1956), strategy scholars have long recognized the importance of deterring entry for sustaining incumbents' profits in an industry.
Uzunca, Bilgehan, Cassiman, Bruno
openaire   +3 more sources

Protoparvovirus Cell Entry [PDF]

open access: yesViruses, 2017
The Protoparvovirus (PtPV) genus of the Parvoviridae family of viruses includes important animal pathogens and reference molecular models for the entire family. Some virus members of the PtPV genus have arisen as promising tools to treat tumoral processes, as they exhibit marked oncotropism and oncolytic activities while being nonpathogenic for humans.
Ros, Carlos   +3 more
openaire   +7 more sources

Identification of Manganese Ore and Manganese Smelting Slag by X-ray Fluorescence Spectrometry, X-ray Diffraction and Fourier Transform Infrared Spectroscopy

open access: yesYankuang ceshi, 2015
It is very important to identify manganese ore and manganese smelting slag for manganese ore import trade and environmental protection. Due to the similarity of elements in manganese smelting slag and some manganese ore, such as Mn, Si, Al, Mg, Ca and ...
WU Su-ru   +4 more
doaj   +1 more source

Beryllium-Determining in Coal by Graphite Furnace Atomic Absorption Spectrometry with Lanthanum Nitrate as Matrix Modifier

open access: yesYankuang ceshi, 2015
The key to beryllium-determining in coal, geochemical samples, soil, air and other different substrates by Graphite Furnace Atomic Absorption Spectrometry (GFAAS) is to choose a proper matrix modifier.
ZHAO Xiu-hong   +4 more
doaj   +1 more source

Determination of Free α-SiO2 Content in Mill Scale by X-ray Diffraction K Value Method

open access: yesYankuang ceshi, 2015
At present, free α-SiO2 content is often determined by the pyrophosphate method and X-ray Diffraction (XRD) method. However, insoluble materials including FeO, Fe3O4 and Fe2O3 in mill scale cannot be decomposed by pyrophosphate, and thus the ...
TANG Meng-qi   +3 more
doaj   +1 more source

Barriers and solutions to online learning in medical education – an integrative review

open access: yesBMC Medical Education, 2018
Background The aim of this study is to review the literature on known barriers and solutions that face educators when developing and implementing online learning programs for medical students and postgraduate trainees.
Diane O’Doherty   +5 more
doaj   +1 more source

Indicators of response to exercise training: a systematic review and meta-analysis

open access: yesBMJ Open, 2021
Background Means-based analysis of maximal rate of oxygen consumption (VO2max) has traditionally been used as the exercise response indicator to assess the efficacy of endurance (END), high intensity interval (HIIT) and resistance exercise training (RET)
Iskandar Idris   +7 more
doaj   +1 more source

Determination of Calcium, Magnesium, Silicon, Iron and Aluminum in Dolomite by Wavelength Dispersive X-ray Fluorescence Spectrometry with Fusion Sample Preparation

open access: yesYankuang ceshi, 2014
A method has been developed for the determination of calcium, magnesium, silica, iron and aluminum in dolomite by Wavelength Dispersive X-ray Fluorescence Spectrometry. Dolomite is a carbonate mineral with a large portion of loss on ignition.
CHU Ning   +4 more
doaj   +2 more sources

What can we learn from problem-based learning tutors at a graduate entry medical school? A mixed method approach

open access: yesBMC Medical Education, 2018
Problem-based learning (PBL) has been adopted by many medical schools as an innovative method to deliver an integrated medical curriculum since its inception at McMaster University (Dornan et al., Med Educ 39(2):163–170, 2005; Finucane et al., Med Educ ...
Diane O Doherty   +4 more
doaj   +1 more source

Paramyxovirus Entry

open access: yes, 2013
The family Paramyxoviridae consists of a group of large, enveloped, negative-sense, single-stranded RNA viruses and contains many important human and animal pathogens. Molecular and biochemical characterization over the past decade has revealed an extraordinary breadth of biological diversity among this family of viruses.
Katharine N, Bossart   +2 more
openaire   +3 more sources

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