Results 21 to 30 of about 24,188,873 (354)

Effect of Intensive vs Standard Blood Pressure Control on Probable Dementia: A Randomized Clinical Trial

Journal of the American Medical Association (JAMA), 2019
Importance There are currently no proven treatments to reduce the risk of mild cognitive impairment and dementia. Objective To evaluate the effect of intensive blood pressure control on risk of dementia.
J. Williamson, N. Pajewski, A. Auchus, R. Bryan, G. Chelune, A. Cheung, Maryjo L. Cleveland, L. Coker, Michael G. Crowe, W. Cushman, J. Cutler, C. Davatzikos, L. Desiderio, G. Erus, Lawrence J. Fine, S. Gaussoin, Darrin Harris, Meng-Kang Hsieh, K. Johnson, P. Kimmel, M. Tamura, L. Launer, A. Lerner, Cora E. Lewis, J. Martindale-Adams, C. Moy, I. Nasrallah, L. Nichols, S. Oparil, P. Ogrocki, Mahboob Rahman, S. Rapp, D. Reboussin, M. Rocco, B. Sachs, K. Sink, C. Still, M. Supiano, Joni K. Snyder, V. Wadley, J. Walker, D. Weiner, P. Whelton, Valerie Wilson, N. Woolard, J. Wright, C. Wright   +46 more
semanticscholar   +1 more source

Mirror formation control in the vicinity of an asteroid [PDF]

, 2008
Two strategies are presented for the positioning and control of a spacecraft formation designed to focus sunlight onto a point on the surface of asteroid, thereby sublimating the material and ejecting debris creating thrust.
Battin R. H., Hu W., Kahle R., Lunan D., Maddock C., Melosh H. J., Near Earth Object Program, Rossi A., SanchezCuartielles J.P., Schaub H., Strang G., Vasile M.   +11 more
core   +2 more sources

Experimental Study on Mechanical and Acoustic Emission Characteristics of Rock Samples under Different Stress Paths

Shock and Vibration, 2018
A series of tests on characteristics of acoustic emission have been performed on sandstone under uniaxial, conventional, and triaxial conditions and the unloading confining pressure path.
Tao Qin, Hongru Sun, Heng Liu, Junwen Zhang, Tao Li, Gang Liu, Zhenwen Liu   +6 more
doaj   +1 more source

Effect of Antihypertensive Medication Reduction vs Usual Care on Short-term Blood Pressure Control in Patients With Hypertension Aged 80 Years and Older: The OPTIMISE Randomized Clinical Trial.

Journal of the American Medical Association (JAMA), 2020
Importance Deprescribing of antihypertensive medications is recommended for some older patients with polypharmacy and multimorbidity when the benefits of continued treatment may not outweigh the harms.
J. Sheppard, J. Burt, M. Lown, E. Temple, Rebecca Lowe, Rosalyn Fraser, Julie Allen, G. Ford, C. Heneghan, F. R. Hobbs, S. Jowett, Shahela Kodabuckus, P. Little, J. Mant, J. Mollison, R. Payne, Marney Williams, Ly-Mee Yu, R. McManus   +18 more
semanticscholar   +1 more source

Letter: Blood pressure control and clinical outcomes in acute intracerebral haemorrhage: a preplanned pooled analysis of individual participant data[deg].

Turkish Neurosurgery, 2020
1Dalian Medical University, Department of Clinical Medicine, Dalian, China 2Clinical Medical College of Yangzhou University, Department of Neurosurgery, Yangzhou, China 3Clinical Medical College of Yangzhou University, Department of Neurology, Yangzhou ...
Haili Wang, Lun Dong, Yingzhu Chen, Jun Zhang   +3 more
semanticscholar   +1 more source

A Method of Two-Stage Pressure Control Based on Multistage Orifices

Applied Sciences, 2021
The interaction of pressure and flow in a hydraulic system with multiple working conditions, multiple actuators, and large flow limits action adjustment and control.
Junxia Gao, Fenghe Wu, Jun Tang, Zichun Geng   +3 more
doaj   +1 more source

Experimental Study on Influence of Borehole Arrangement on Energy Conversion and Acoustic Characteristics of Coal-Like Material Sample

Shock and Vibration, 2020
This paper examines the effects of borehole arrangement on the failure process of coal-like materials based on its energy conversion and acoustic characteristics from the perspectives of energy, AE energy, AE spectrum, and frequency band.
Chuanbo Hao, Zhiyuan Hou, Fukun Xiao, Gang Liu   +3 more
doaj   +1 more source

Performance Comparison of Control Strategies for a Variable-Thrust Solid-Propellant Rocket Motor

Aerospace, 2022
This paper deals with a performance comparison of the control algorithm for a variable-thrust solid-propellant rocket motor (VTSRM). To do this, we develop a simulation model of a VTSRM considering characteristic changes in the combustor and design ...
Jihyoung Cha, Élcio Jeronimo de Oliveira   +1 more
doaj   +1 more source

Optimizing Control of a Batch Reaction Process [PDF]

, 1966
The batch chemical reaction is chosen as the process model to be optimized and the rate constants are functions of pressure only, as the reactions are assumed to occur isothermally.
Sayama, Hayatoshi, Takamatsu, Takeiciro, Tonoike, Takao   +2 more
core   +1 more source

Put pressure worldwide on blood pressure control [PDF]

Journal of Thoracic Disease, 2016
There is a close relationship between high blood pressure (BP) levels and the risk of cardiovascular disease (CVD) and chronic kidney disease (1). The risk of these clinical outcomes is lowest at a BP of around 115/75 mmHg.
Costanzo S., de Gaetano G., Iacoviello L.   +2 more
openaire   +3 more sources