Results 151 to 160 of about 1,538,060 (299)
Extravehicular activities limitations study. Volume 1: Physiological limitations to extravehicular activity in space [PDF]
This report contains the results of a comprehensive literature search on physiological aspects of EVA. Specifically, the topics covered are: (1) Oxygen levels; (2) Optimum EVA work; (3) Food and Water; (4) Carbon dioxide levels; (5) Repetitive ...
Furr, Paul A. +5 more
core +1 more source
British Educational Research Journal, EarlyView.Abstract Quality in early childhood education and care (ECEC) is a contested concept and has generally been conceptualised by inter‐related indicators such as staff qualifications, educational environment, policy or child‐to‐staff ratios. There has been a more limited emphasis on how young children might perceive and experience quality.
Nikki Fairchild, Éva Mikuska
wiley +1 more source
Three residual income valuation methods and discounted cash flow valuation [PDF]
In this paper we show that the three residual Income models for equity valuation always yield the same value as the Discounted Cash Flow Valuation models.
Fernandez, Pablo
core
Activism as education in and through the youth climate justice movement
British Educational Research Journal, EarlyView.Abstract Young people worldwide are increasingly participating in a global movement for climate justice, yet to date, little research has examined how youth climate justice activists conceive of and experience activism as education. The present study used in‐depth, semi‐structured interviews with 16 US climate justice activists (aged 15–17) to address ...
Carlie D. Trott
wiley +1 more source
Advanced extravehicular activity systems requirements definition study. Phase 2: Extravehicular activity at a lunar base [PDF]
The focus is on Extravehicular Activity (EVA) systems requirements definition for an advanced space mission: remote-from-main base EVA on the Moon. The lunar environment, biomedical considerations, appropriate hardware design criteria, hardware and ...
Carr, Gerald P. +5 more
core +1 more source
Biotechnology and Bioengineering, EarlyView.ABSTRACT Secretory immunoglobulin A (sIgA) is a promising emerging biopharmaceutical candidate, but it currently lacks a standardized platform for purification. To address this, a novel affinity chromatography resin was developed by immobilizing protein variants of the Streptococcus pneumoniae surface protein, SpsA, as an affinity ligand.
David Scheich +8 more
wiley +1 more source
Verification of an altitude decompression sickness prevention protocol for Shuttle operations utilizing a 10.s psi pressure stage [PDF]
Three test series involving 173-man tess were conducted to define and verify a pre-extravehicular activity (EVA) denitrogenation procedure that would provide acceptable protection against altitude decompression sickness while minimizing the required ...
Conkin, J. +3 more
core +1 more source
Biotechnology and Bioengineering, EarlyView.ABSTRACT The detergent Triton X‐100 (TX‐100) is a typical component of solvent/detergent (S/D) mixes applied for virus inactivation steps of biomanufacturing processes, yet environmentally unfavorable properties have led to restrictions on its use. Deviron 13‐S9 has recently been described as an eco‐friendly TX‐100 alternative, with powerful virus ...
Johanna Kindermann +3 more
wiley +1 more source
Tests of an alternate mobile transporter and extravehicular activity assembly procedure for the Space Station Freedom truss [PDF]
Results are presented from a ground test program of an alternate mobile transporter (MT) concept and extravehicular activity (EVA) assembly procedure for the Space Station Freedom (SSF) truss keel. A three-bay orthogonal tetrahedral truss beam consisting
Bush, Harold G. +6 more
core +1 more source