Results 11 to 20 of about 1,708,538 (309)

Study of the Failure Mode of a Jointed Rock Mass due to a Stress Wave

open access: yesAdvances in Civil Engineering, 2021
The mechanical response and failure process of a jointed rock mass subjected to dynamic loading is very important for the safety and stability of rock engineering projects.
Xi Kun Qian, Cong Cong Li
doaj   +1 more source

Areas of application of project analysis in management activities

open access: yesЕкономіка, управління та адміністрування, 2022
In modern conditions, project analysis is considered one of the main types of work and research methods carried out by the project initiator at the pre-investment stage of the project in order to determine the socio-economic efficiency of the project ...
T.O.
doaj   +1 more source

A Security Analysis on OpenSIPS

open access: yesIJAIT (International Journal of Applied Information Technology), 2020
IP Telephony, Internet Telephony, Digital Phone or often also called VoIP (Voice Over Internet Protocol) is a technology that allows long-distance voice conversations with the Internet.
Gandeva Bayu Satrya   +1 more
doaj   +1 more source

The Impact of Reading Instructional Time in the Classroom

open access: yesSisyphus, 2021
Reading is without doubt a highly complex cognitive process and hence it is a difficult task to formulate policies for its' improvement. An effective reading time allocation is particularly important for the improvement of early grade reading. DeStefano (
Atique ur Rehman
doaj   +1 more source

O destino de florestas degradadas por fogo florestal nos Estados do Mato Grosso e Pará

open access: yesBiodiversidade Brasileira, 2019
Degradação florestal é o processo de longo prazo de alteração das características da vegetação sem que haja a completa substituição de um tipo de cobertura por outra.
Taise Farias Pinheiro   +1 more
doaj   +3 more sources

A COMPARATIVE EARTHWORK AND COST ANALYSIS OF IMPROVING AN EXISTING RAILWAY LINE AND CONSTRUCTING A NEW HIGH-SPEED LINE IN TURKEY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
In the past few decades, high-speed railways have become an important transportation system due to their high operational speed, and globally, the networks of these railways have been extended.
K. A. Gumus, V. E. Gulal
doaj   +1 more source

Stepwise Green Investment under Policy Uncertainty [PDF]

open access: yes, 2016
We analyse how market price and policy uncertainty, in the form of random provision or retraction of a subsidy, interact to affect the optimal time of investment and the size of a renewable energy (RE) project that can be completed in either a single ...
Chronopoulos, M.   +2 more
core   +3 more sources

Endogenous growth theory and regional development policy [PDF]

open access: yesSpatium, 2015
The numerous versions of endogenous explanations of economic growth emphasize the importance of technological change driving forces, as well as the existence of appropriate institutional arrangements.
Cvetanović Slobodan   +3 more
doaj   +1 more source

An enquiry into Investment Control of Engineering Projects [PDF]

open access: yesE3S Web of Conferences, 2021
The relatively weak link in the current construction project management is the project investment control. There is often a lack of accurate investigation beforehand and the lack of real investigation data, resulting in the lack of authenticity of the ...
Chen Huilin
doaj   +1 more source

Efficiency Advantages and Incentive Mechanism of PPPs: A Qualitative Comparative Analysis under the Chinese Scenario

open access: yesAdvances in Civil Engineering, 2018
Based on the PPP efficiency system which consists of allocation efficiency, process efficiency, and individual efficiency, we use qualitative comparison analysis of fuzzy sets to study the efficiency advantages of the public-private partnership under the
Xiaowei Dong, Yali Du, Xianhua Wu
doaj   +1 more source

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