Results 71 to 80 of about 4,689,593 (329)

Prospects of Electric Field Control in Perpendicular Magnetic Tunnel Junctions and Emerging 2D Spintronics for Ultralow Energy Memory and Logic Devices

Advanced Functional Materials, EarlyView.
Electric control of magnetic tunnel junctions offers a path to drastically reduce the energy requirements of the device. Electric field control of magnetization can be realized in a multitude of ways. These mechanisms can be integrated into existing spintronic devices to further reduce the operational energy.
Will Echtenkamp, Brahmdutta Dixit, Yifei Yang, Deyuan Lyu, Thomas Peterson, Qi Jia, Yu‐Chia Chen, Jian‐Ping Wang   +7 more
wiley   +1 more source

Drilling Parameter Control Based on Online Identification of Drillability and Multi-Objective Optimization

Machines
Aiming at the problem that drilling parameters are difficult to adjust in time for the driller due to the complex geological environment in underground coal mines, a drilling parameter control method based on online identification of drillability and ...
Jianbo Dai, Xilu Yin, Yan Zhang, Lei Si, Dong Wei, Zhongbin Wang, Longmei Zhao   +6 more
doaj   +1 more source

Optimisation of an ultrasonic drill horn for planetary subsurface sample retrieval [PDF]

, 2011
Ultrasonic tools can cut through foodstuffs, biological material and other soft matter with relative ease. However, when attempts are made to cut through harder material, the rate of progress markedly declines.
Harkness, Patrick, Lucas, Margaret
core  

Abrasive water jet drilling of advanced sustainable bio-fibre-reinforced polymer/hybrid composites : a comprehensive analysis of machining-induced damage responses [PDF]

, 2018
This paper aims at investigating the effects of variable traverse speeds on machining-induced damage of fibre-reinforced composites, using the abrasive water jet (AWJ) drilling.
A Alberdi, A Alberdi, A Hascalik, A Hascalik, A Hejjaji, AA Shaikh, B KC, DF Liu, DJ McGill, DJ Thomas, DJ Thomas, E Oho, FA Almansour, FL Chen, G Fowler, H Heidarya, H Ho-Cheng, H Hocheng, HN Dhakal, HN Dhakal, Hom Nath Dhakal, I Shyha, J Flynn, J Montesano, James R. Smith, JC Crocker, JK Patel, K Phapale, M Ramulu, Marco Paggi, MM Thwe, MMW Irina, N Ramesha, NE Hajj, PD Unde, R Selvam, S Kalirasu, S Nunna, Saheed Olalekan Ojo, Sikiru Oluwarotimi Ismail, SO Ismail, SO Ismail, SO Ismail, SP Jani, YW Seo   +44 more
core   +3 more sources

Optimization of Process Variables in the Drilling of LM6/B4C Composites through Grey Relational Analysis

Materials, 2022
The objective of this investigational analysis was to study the influence of process variables on the response during the drilling of LM6/B4C composite materials. Stir casting was employed to produce the LM6/B4C composites.
C. Rubi, J. Prakash, R. Čep, M. Elangovan   +3 more
semanticscholar   +1 more source

Electroactive Metal–Organic Frameworks for Electrocatalysis

Advanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska, Yutong Luo, Ruyan Zhao, Jianjun Zhang, Mingchao Wang, Xinliang Feng, Eike Brunner, Stefan Kaskel   +7 more
wiley   +1 more source

Research into the effect of gallery size on blast pull in underground coal mines [PDF]

, 2018
Purpose. To investigate the effect of gallery size on blast pull in underground colliery by drilling and blasting techniques. Methods. The study conducted in three different underground collieries namely A, B and C located in eastern part of India has ...
Choudhary, B
core   +1 more source

Microporous Microgel Assemblies Facilitating the Recruitment and Osteogenic Differentiation of Progenitor Cells for Bone Regeneration

Advanced Functional Materials, EarlyView.
There is a significant need for biomaterials with well‐defined stability and bioactivity to support tissue regeneration. In this study, we developed a tunable microgel platform that enables the decoupling of stiffness from porosity, thereby promoting bone regeneration.
Silvia Pravato, Haishuo Guan, Bianca M. Carrara, Mira Jacobs, Matteo Monticelli, Lukas Moser, Thomas Moragues, Andrew J. deMello, Tomaso Zambelli, Martin Ehrbar   +9 more
wiley   +1 more source

Multi-Objective Optimization Study of Annular Fluid Flow Structure in Cordless Core Drilling Tools

Applied Sciences
Traditional drilling methods often face difficulty meeting the demand for efficient and accurate coring under complex geological conditions. Cordless coring is an advanced technology that uses hydraulic lifting to carry out coring, which can achieve ...
Zhitong Zhu, Fan Huang, Yan Zhao, Changping Li, Hairui Wei, Guang Liu, Yutao Shao, Minghao Jia   +7 more
doaj   +1 more source

Laser microdissection as a new approach to prefertilization genetic diagnosis [PDF]

, 2000
The genetic status of oocytes can be determined by polar body (PB) analysis. Following PB extraction, a genetic evaluation is performed. As each PB contains the complementary genetic material of the oocyte, PB analysis reveals information about its ...
Buchholz, Tina, Clement-Sengewald, Annette, Schütze, Karin   +2 more
core   +1 more source