Results 101 to 110 of about 59,556 (258)

Space Transportation System solid rocket booster thrust vector control system [PDF]

open access: yes
The Solid Rocket Booster, Thrust Vector Control (TVC) system was designed in accordance with the following requirements: self-contained power supply, failsafe operation, 20 flight uses after exposure to seawater landings, optimized cost, and component ...
Mccool, A. A.   +2 more
core   +1 more source

Exploration of the Phytochemical and Antidiabetic Properties of Teucrium polium: A Natural Asset for Type 2 Diabetes Management

open access: yesChemistryOpen, EarlyView.
Teucrium polium shows antidiabetic activity with its phytochemical composition and biological activities. The essential oil is rich in carvacrol, thymol, γ‐terpinene, and o‐cymene, while the aqueous and hydroethanolic extracts are characterized by poliumoside, verbascoside, isorhamnetin‐3‐O‐rutinoside, and apigenin‐7‐rutinoside. Antioxidant activity is
Hajar El Ouadni   +10 more
wiley   +1 more source

Material Development and Foam Extrusion Processing of Thermoplastic Starch‐Based Compounds

open access: yesPolymer Engineering &Science, EarlyView.
Schematic representation of the project: a compound material based on thermoplastic starch and PBAT is developed for further processing in the foam extrusion process to achieve a flexible foam sheet with a low density and fine‐pored foam structure. ABSTRACT An investigation into the properties of starch‐based compounds is conducted to determine their ...
Tien Viet Anh Vu   +4 more
wiley   +1 more source

Lesson learned from the assessment of planned converted CO2 injection well integrity in Indonesia - CCUS project. [PDF]

open access: yesHeliyon, 2023
Marbun BTH   +12 more
europepmc   +1 more source

Lock Down Verification System for Tubing Hanger

open access: yes, 2013
This master thesis is a product development project, carried out in cooperation with Aker Subsea, which is a part of Aker Solutions. The goal of the master thesis was to develop concepts for a new verification system, which can confirm landing and locking during installation of Tubing Hanger.
openaire   +1 more source

Characteristics, properties and limitations of per‐ or polyfluoroalkyl substances (PFASs) and fluoropolymers

open access: yesPolymer International, EarlyView.
An overview and categorization of man‐made per‐ or polyfluoroalkyl substances (PFASs) including low‐molar‐mass and high‐molar‐mass fluorochemicals, and their international regulations is presented. Though certain PFASs are toxic, bioaccumulative and cross the human cellular membranes, others, such as fluoropolymers, are safe, reliable and involved in ...
Bruno Améduri
wiley   +1 more source

Neural Network-Based Beam Pumper Model Optimization. [PDF]

open access: yesComput Intell Neurosci, 2022
Feng D, Qi Y, Yu Y, Zhu H.
europepmc   +1 more source

Chemistry: Space resources for teachers including suggestions for classroom activities and laboratory experiments [PDF]

open access: yes, 1971
Curriculum supplement to assist general chemistry teachers in updating instruction materials with aerospace ...
Bowman, W. H., Lawrence, R. M.
core   +1 more source

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