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spring/dental caries
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Acoustical spring effect in a compliant cavity.
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We report on the first dynamic study of acoustical spring effect in a compliant cavity formed between a spherical ultrasonic transducer immersed in water and the free liquid surface located at its focus. As its optical analog, this effect is due to the mutual feedback between the cavity length L and
Cavity optomechanical spring sensing of single molecules.
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Label-free bio-sensing is a critical functionality underlying a variety of health- and security-related applications. Micro-/nano-photonic devices are well suited for this purpose and have emerged as promising platforms in recent years. Here we propose and demonstrate an approach that utilizes the
A spring-loaded needle for amniocentesis.
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The spring-loaded needle for amniocentesis that is described has theoretic advantages over a spinal needle. These include increased safety for the fetus and better recognition of when the needle enters the uterine cavity.
Torsional optical spring effect in coupled nanobeam photonic crystal cavities.
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Compared to probe-tuned optomechanical cavity systems, coupled cavity systems have the merit of having much stronger optomechanical interactions. However, to date, the torsional optomechanical effects of coupled cavities have rarely been investigated. In this Letter, we report a torsional optical
All-optical optomechanics: an optical spring mirror.
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The dominant hurdle to the operation of optomechanical systems in the quantum regime is the coupling of the vibrating element to a thermal reservoir via mechanical supports. Here we propose a scheme that uses an optical spring to replace the mechanical support. We show that the resolved-sideband
Compacted cancellous bone has a spring-back effect.
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A new surgical technique, compaction, has been shown to improve implant fixation. It has been speculated that the enhanced implant fixation with compaction could be due to a spring-back effect of compacted bone. However, such an effect has yet to be shown. Therefore we investigated in a canine model
RF system of the SPring-8 storage ring.
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Construction of three RF stations in the storage ring of SPring-8 has been completed. The design concept concentrates on avoiding a coupled-bunch instability which limits the stored current or makes the synchrotron radiation beam unstable. The cavity is bell-shaped to reduce the coupling impedance
Ovarian Follicular Atresia of Ewes during Spring Puerperium.
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The distribution of healthy and atretic follicles on the ovarian surface of improved Valachian ewes 17, 24, and 32 days postpartum is reported in this study. The number of healthy follicles was higher on day 24 postpartum and their mean diameter tended to increase to day 32 (P < 0.05) with the
[Differential approach to spring water choice regarding fluoride content for caries prevention].
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The research includes an investigation of the tap water in different districts of Moscow. It was found out that Moscow tap water contains little fluoride, the difference between districts and okrugs is of no consequence. There is no centralized water fluoridization in Moscow therefore the authors
Observation of an optical spring with a beam splitter.
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We present the experimental observation of an optical spring without the use of an optical cavity. The optical spring is produced by interference at a beam splitter and, in principle, does not have the damping force associated with optical springs created in detuned cavities. The experiment consists
Mandibular pendex spring appliance for use in mixed dentition.
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Loss of space in the mandibular arch is a common occurrence due to several different causes such as caries, trauma or iatrogenic damage. This paper describes a new TMA spring used in mixed dentition for space regaining in the mandibular arch. A clinical report is presented and the advantages of the
The fluorine-dental caries relationship in general with particular association with Colorado Springs.
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Engineering an anion-binding cavity in antichymotrypsin modulates the "spring-loaded" serpin-protease interaction.
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Expressed in a kinetically trapped folding state, a serpin couples the thermodynamic driving force of a massive beta-sheet rearrangement to the inhibition of a target protease. Hence, the serpin-protease interaction is the premier example of a "spring-loaded" protein-protein interaction. Amino acid
Overexploitation of karst spring as a measure against water scarcity.
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Water scarcity, especially in the hydrologically critical part of the year, is a problem often present in many cities and regions, particularly in arid and sub-arid areas. Climate change and human water demand compound the problem. This paper discusses a climate change adaptation measure-the
Rectification of acoustic phonons in harmonic chains with nonreciprocal spring defects.
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The scattering of acoustic phonons by nonreciprocal spring defects inserted in an harmonic chain is investigated. The degree of nonreciprocity of the forces mediated by the defect springs is parameterized by a single quantity $\Delta$ that effectively takes into account the interaction of the
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