Results 11 to 20 of about 1,217,377 (198)

From 3ptl-to passive : incipient, emergent and established passives [PDF]

open access: yes, 2010
This paper explores, in some detail, the development of third person plural impersonal constructions into passive ones with the aim of determining the conditions most conducive to the emergence of a canonical passive, i.e.
Siewierska, Anna   +2 more
core   +5 more sources

Passive solar-energy air-heating wall panels [PDF]

open access: yes, 1987
The development of products which enable passive solar-energy air-heating to be integrated into the heating strategies of public, commercial and industrial buildings is described. These buildings are, in general, only occupied significantly during the
Hobday, R. A.
core   +7 more sources

Epidermal Passive RFID Strain Sensor for Assisted Technologies [PDF]

open access: yes, 2014
An epidermal passive wireless strain sensor using RFID tags is presented. The tag is intended to detect eyebrow or neck skin stretch where paraplegic patients have the capability to tweak facial muscles.
Rumens, C.V.   +3 more
core   +1 more source

Passive investors, not passive owners

open access: yesJournal of Financial Economics, 2014
Passive institutional investors are an increasingly important component of U.S. stock ownership. To examine whether and by which mechanisms passive investors influence firms' governance, we exploit variation in ownership by passive mutual funds associated with stock assignments to the Russell 1000 and 2000 indexes.
Appel, Ian R   +2 more
openaire   +3 more sources

Statistical Analysis of Bistatic Radar Ground Clutter for Different German Rural Environments

open access: yesSensors, 2020
This article presents the statistical analysis of bistatic radar rural ground clutter for different terrain types under low grazing angles. Compared to most state-of-the-art analysis, we present country-specific clutter analysis for subgroups of rural ...
Michael Kohler   +5 more
doaj   +1 more source

Crushing Analysis of Empty and Foam-Filled Cylindrical and Conical Corrugated Composite Tubes [PDF]

open access: yesMechanics of Advanced Composite Structures, 2019
In the present article, a numerical study is performed to investigate the crushing behavior of cylindrical and conical corrugated composite tubes. Different aluminum foams are applied to the proposed structures in order to offer an excellent energy ...
Mahshid Mahbod, Masoud Asgari
doaj   +1 more source

Technical and economic analysis of full and empty crossing methods in the sequence of station and tunnel construction in Tehran metro line seven [PDF]

open access: yesمهندسی و مدیریت ساخت, 2020
Due to the expansion of urban spaces and as well as the lack of necessary spaces for intra-city transportation, the need for subway construction in urban areas is more acute than ever.
Seyed Amirhossein Ghoreishian   +3 more
doaj  

Study of Clogging Phenomenon for a Conical Hopper: The Influence of Particle Bed Height and Hopper Angle

open access: yesScience and Technology of Nuclear Installations, 2021
The granular flow is one of the principal issues for the design of pebble bed reactors. Particularly, the clogging phenomenon raises an important issue for pebble bed reactors. In this paper, we conduct experiments and discrete particle simulation of two-
Muhammad Hammad Khalid, Yixian Zhou
doaj   +1 more source

SARS-CoV-2 Inactivation Simulation Using 14 MeV Neutron Irradiation

open access: yesLife, 2021
The SARS-CoV-2 virus is deadly, contagious, can cause COVID-19 disease, and endangers public health and safety. The development of SARS-CoV-2 inactivation technology is crucial and imminent in current pandemic period. Neutron radiation is usually used to
Fang Liu   +9 more
doaj   +1 more source

Passive smoking [PDF]

open access: yesBritish Journal of Cancer, 1982
Before 1980 the argument that passive smoking was a serious health hazard was rather tenuous. It was claimed that it produced allergic reactions, impaired driving ability, reduced exercise tolerance in patients with cardiorespiratory disease and increased the risk of bronchitis and pneumonia in first-year children.
openaire   +3 more sources

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