Results 51 to 60 of about 538,368 (282)

Project of laboratory rectification column for periodic work

Czasopismo Techniczne, 2018
W artykule przedstawiono projekt kolumny rektyfikacyjnej pracującej okresowo do otrzymywania alkoholu etylowego. W projekcie założono stałe stężenie destylatu i wyznaczono zakres zmiany liczby powrotu od 1,7 do 13, konieczny do jego otrzymania. Z 50 litrów surówki zawierającej 9% mol. etanolu uzyskano ok. 10 litrów destylatu o stężeniu 70% mol.
Jamróz, Justyna, Dawid Jankowski
openaire   +4 more sources

Experimental Study on Throttle Opening in Auto-cascade Refrigeration System

Zhileng xuebao, 2005
An advanced experimental apparatus with a rectification column was set up.In the experiments,environmental protection refrigerant mixtures were employed as working fluid and the influences of throttle opening on refrigeration temperature,rectification ...
王生龙, 陈光明, 王勤
doaj  

INTENSIFICATION OF HEAT EXCHANGE IN DIABATIC RECTIFICATION COLUMNS

chemistry of plant raw material, 2020
The heat exchange in a diabatic column was investigated during the rectification of an ethanol-water mixture, in which partial condensation of rising vapors on the surface of vertical heat exchange tubes installed vertically along the height of the installation was carried out, as well as the evaporation of intermediate condensate on the surface of ...
Nikolay Aleksandrovich Voinov, Denis Andreyevich Zemtsov, Anastasiya Viktorovna Bogatkova, Nina Vladimirovna Deryagina   +3 more
openaire   +3 more sources

Ferroionic‐Assisted, Charge‐Driven Polymorphic Phase Engineering for Multilevel Memristive Devices

Advanced Materials, EarlyView.
A CuInP2S6/Mo0.92W0.08Te2 heterostructure enables a gradual semiconductor‐to‐semimetal phase transition through Cu+ ion migration and charge accumulation. The spatially engineered 2H/1T′ mixed phases produce continuously tunable conductance states in a two‐terminal geometry, while suppressing depolarizing fields and stabilizing the metastable 1T′ phase.
Nayeon Kim, Chengqi Wei, Eunji Hwang, Woohyun Cho, Heemyoung Hong, Yongjoon Lee, Daeho Noh, Min Seok Jang, Zhongrui Wang, Heejun Yang   +9 more
wiley   +1 more source

Analysis of the estimated remaining service life of gas rectification columns [PDF]

, 2021
Gas rectification columns are process apparatuses which are very important part of each onshore plant. Sudden failure of these types of columns causes huge daily losses, while fluid leakage can be very dangerous for the people and hazardous for the ...
Jarić, Marko, Jeremić, Lazar D., Petronić, Sanja, Jarić, Marko S., Budimir, Nikola, Budimir, Nikola J., Jeremić, Lazar, Čolić, Katarina, Sanja Petronic, Nikola Budimir, Lazar Jeremic, Katarina Colic, Marko Jaric   +12 more
core   +1 more source

A Constraint‐Based Analytical Framework for Design‐Space Analysis and Material Screening of Tubular Multilayer Dielectric Elastomer Pumps for Extracorporeal Circulatory Applications

Advanced Materials Technologies, EarlyView.
A constraint‐based analytical framework maps the coupled effects of material properties, structural parameters, and operating conditions in tubular dielectric elastomer pumps for extracorporeal circulatory applications. The approach defines performance boundaries through mechanical, electrical, and hydraulic constraints and identifies feasible design ...
Yan Zhang, Amine Benouhiba, Yoan Civet, Yves Perriard   +3 more
wiley   +1 more source

Improving the Robustness of Visual Teach‐and‐Repeat Navigation Using Drift Error Correction and Event‐Based Vision for Low‐Light Environments

Advanced Robotics Research, EarlyView.
Visual teach‐and‐repeat (VTR) navigation allows robots to learn and follow routes without building a full metric map. We show that navigation accuracy for VTR can be improved by integrating a topological map with error‐drift correction based on stereo vision.
Fuhai Ling, Ze Huang, Tony J. Prescott
wiley   +1 more source

An Optimal Process Control in the Rectification Facilities [PDF]

, 2017
Предложены математические модели для технологической печи и ректификационной колонны. Сформулированы задачи оптимального управления. Получены необходимые условия оптимальности.
Кулагина, Л.В., Lyudmila V. Kulagina, Демиденко, Н.Д., Kulagina, Lyudmila V., null null, Demidenko, Nikolay D., Nikolay D. Demidenko   +6 more
core   +1 more source

Friend, Not Foe: Lowered Tissue Reactivity to Long‐Term Polyimide Implants

Advanced Science, EarlyView.
The choice of optimal neural probe designs remains a major challenge in the field of neurotechnology. This study investigated the biocompatibility of several probe variations, including material, thickness, width, and implantation strategy. It highlights the clear advantage of soft polyimide probes over stiff silicon probes for better device ...
Corinne Orlemann, Laura M. De Santis, Paul Neering, Christian Boehler, Kirti Sharma, Arno Aarts, Tobias Holzhammer, Rik J. J. van Daal, Patrick Ruther, Maria Asplund, Roxana N. Kooijmans, Pieter R. Roelfsema   +11 more
wiley   +1 more source

Internal Structure of a Jet Nozzle for Coalbed Methane Mining Based on Airfoil Curves

Shock and Vibration, 2018
Based on airfoil curves that can effectively balance the rectification and drag reduction effects in flight hydrodynamics, we designed an internal streamline structure of jet nozzle for coalbed methane (CBM) mining. The three types of nozzles originating
Jian Chen, Liwen Guo, Yanwei Hu, Yong Chen   +3 more
doaj   +1 more source