Results 241 to 250 of about 1,644,648 (291)
Hypothalamic-Pituitary-Ovarian Feedback Mechanisms
Zeitschrift für Naturforschung C, 1974 openaire +1 more source
Real‐Time 3D Ultrasound Imaging with an Ultra‐Sparse, Low Power Architecture
Advanced Healthcare Materials, EarlyView.This article presents a novel, ultra‐sparse ultrasound architecture that paves the way for wearable real‐time 3D imaging. By integrating a unique convolutional array with chirped data acquisition, the system achieves high‐resolution volumetric scans at a fraction of the power and hardware complexity.
Colin Marcus +9 more
wiley +1 more source
An In Situ Embedded B‐MOF Sponge With Shape‐Memory for All‐in‐One Diabetic Wound Therapy
Advanced Healthcare Materials, EarlyView.A smart shape‐memory sponge dressing (P1A3@B‐MOF) is developed for accelerated diabetic wound healing. It achieves pH‐responsive corelease of Zn2+ and salvianolic acid B, synergistically providing antibacterial action, repolarizing macrophages to the M2 phenotype, and promoting angiogenesis.
Hai Zhou +11 more
wiley +1 more source
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The Steroid Feedback Mechanism
American Journal of Physiology-Legacy Content, 1957The mechanism whereby high blood levels of the adrenal cortical hormones inhibit the secretion of ACTH following stress has been investigated. The 4-hour change in circulating eosinophils was used as criterion for ACTH secretion. DCA administration into intact rats prevented the endogenous mobilization of ACTH following stress.
S, Schapiro, J, Marmorston, H, Sobel
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Mechanisms for haptic feedback
Proceedings of 1995 IEEE International Conference on Robotics and Automation, 2002This article describes work in progress at the Canadian Space Agency on the design and implementation of haptic devices. Haptic devices are a special class of robotic mechanisms for which structural transparency is a foremost design criterion. Also notable is the fact that often, three or four degrees of freedom, rather than six as in general robotic ...
R. Hui +6 more
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Feedback mechanism in sulpiride‐induced hyperprolactinaemia
BJOG: An International Journal of Obstetrics & Gynaecology, 1983Summary. Feedback of oestrogen on gonadotrophin release was studied in five normally cycling normoprolactinaemic women who were rendered moderately hyperprolactinaemic by oral administration of sulpiride (150mg daily) for 11 consecutive days. Five patients with peptic ulcer, who had been given 150 mg of sulpiride for 3–18 months and had chronic marked ...
R, Nakano, S, Yagi
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Electrohydraulic Mechanical Feedback Servoactuators
2017<div class="section abstract"> <div class="htmlview paragraph">The recommendations contained herein are confined to the input and output characteristics of electrohydraulic mechanical feedback servoactuators. The information presented should be useful for standardizing the terminology and for specification of physical and performance ...
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Mechanical feedback control systems
1999We discuss here the problem of analyzing which classes of control systems may be put in a closed-loop form which is Lagrangian or Hamiltonian and ask when such controls are useful.
Anthony M. Bloch +2 more
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Involvement of Catecholamines in Feedback Mechanisms
1973Publisher Summary This chapter discusses the involvement of Catecholamine (CA)-containing neurons and terminals that occur in discrete regions of the anterior hypothalamus and median-eminence arcuate areas. These include the tuberoinfundibular-dopamine neurons, strategically located in arcuate nucleus with fiber systems extending to the median ...
P, Kalra, S M, McCann
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