Results 101 to 110 of about 8,570 (235)

Application note—A novel, low-cost pH-controlled solenoid-based CO2 dosing device for microalgal and cyanobacterial cultivation systems

open access: yesSmart Agricultural Technology
This application note proposes a novel, low-cost, pH-controlled solenoid-based CO2 dosing device for microalgal and cyanobacterial cultivation systems.
Shoyeb Khan   +6 more
doaj   +1 more source

Spectroscopic Investigation of the In Vivo Light‐Dependent Photodynamics of the Marine Diatom Phaeodactylum tricornutum

open access: yesChemPhysChem, Volume 27, Issue 13, 14 July 2026.
µm fourier transform infrared (FTIR) image, 442 nm Raman of the Si–O of the silica‐based frustule at 472 cm−1, and UV–vis of Phaeodactylum tricornutum cells. Marine diatoms are responsible for fixing CO2 into organic carbon and contribute to the regulation of global climate.
Constantinos Varotsis   +10 more
wiley   +1 more source

Compact Tubular Dielectric Elastomer Pump for Indoor Plants

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 25, July 5, 2026.
This study develops a mountable rolled dielectric elastomer pump (MRDEP) using silicone films and MWCNT‐based electrodes. The MRDEP is completely soft, silent in operation, and easily mounted on a piping system. We use dry stacking methods, fabricate a multilayer dielectric elastomer actuator (DEA), and a pre‐straining process in one direction before ...
Ardi Wiranata   +6 more
wiley   +1 more source

Solenoid operated variable valve timing for internal combustion engines [PDF]

open access: yes, 2005
In internal combustion engines, particularly for spark ignition (SI) engines, valve events and their timings put forth a major influence on the engine overall efficiency and its exhaust emissions.
Parvate-Patil, Girish
core  

Abnormal Operation Detection of Automated Orchard Irrigation System Actuators by Power Consumption Level

open access: yesSensors
Information and communication technology (ICT) components, especially actuators in automated irrigation systems, are essential for managing precise irrigation and optimal soil moisture, enhancing orchard growth and yield.
Shahriar Ahmed   +5 more
doaj   +1 more source

Injetor multicanal com válvulas de estrangulamento para análise em fluxo Pinch valve injector for flow analysis

open access: yesQuímica Nova, 2001
An important component for the automation of flow injection analysis (FIA) systems is the sample injection valve. A simple and inexpensive commutator with 16 pinch valves (8 normally open and 8 closed) was developed and configured as a multichannel ...
Fabiano S. Palgrossi   +2 more
doaj   +1 more source

Worcester 1 Inch Solenoid Actuated Gas Operated VPS System Ball Valve [PDF]

open access: yes, 2000
1 inch Gas-operated full-port ball valve incorporates a solenoid and limit switches as integral parts of the actuator. The valve is normally open and fails safe to the closed position.
Van Katwijk, Carl
core   +1 more source

Fuel and oxidizer valve assembly employs single solenoid actuator [PDF]

open access: yes, 1966
Valve assembly simultaneously starts or stops the flow of oxidizer and fuel from separate inlet channels to reaction control motors. The assembly combines an oxidizer shutoff valve and a fuel shutoff valve which are mechanically linked and operated by a ...

core   +1 more source

SISTEM KENDALI SOLENOID VALVE DENGAN KONTROL JOYSTICK PADA ROBOT MANUAL PENGANGKAT DAN PEMINDAH BARANG [PDF]

open access: yes, 2014
SOLENOID VALVE CONTROL SYSTEMS WITH JOYSTICK CONTROL ON MANUAL ROBOT LIFTING AND MOVING THE GOODS REXY KINANTA PERDANA The robot is a mechanical device that can perform physical tasks, using either human supervision and control or using a program ...
Perdana, Rexy Kinanta
core   +1 more source

Home - About - Disclaimer - Privacy