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Titlebook: Laboratory Hemostasis; A Practical Guide fo Sterling T. Bennett,Christopher M. Lehman,George M Book 2015Latest edition Springer Internation

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21#
發(fā)表于 2025-3-25 03:27:34 | 只看該作者
Sterling T. Bennett MD, MS theoretical aspects and the experimental aspects related to the modes of vibration of the sub-ensembles (membranes, bars, shells) of percussion instruments, sound radiation and physical modelling and design of percussion instruments. Experimental studies on the modes of vibration of percussion inst
22#
發(fā)表于 2025-3-25 08:32:28 | 只看該作者
George M. Rodgers MD, PhD,Christopher M. Lehman MDard varies from 12 mm (bass) at the bottom to 2.5 mm at the top (treble). The outer surface of the soundboard is covered with a sheet of veneer (1 mm thickness) in spruce or in a precious species, to prevent cracking and warping. The soundboard of variable section should be able to support the high
23#
發(fā)表于 2025-3-25 15:39:29 | 只看該作者
George M. Rodgers MD, PhDrocess works by adding successive material layers, as opposed to subtractive manufacturing methodologies. The most appropriate technology for a specific musical instrument is guided by the selection of the correct process and material characterized by some mechanical parameters such as the maximum a
24#
發(fā)表于 2025-3-25 17:00:27 | 只看該作者
Christopher M. Lehman MDource of air, the sound generator, the resonating air column and the radiation of sound. If we make reference to how air column is excited by means of vibrating reed, the following classification of wind instruments can be proposed: mechanical reed instruments, lip valve instruments and air jet inst
25#
發(fā)表于 2025-3-25 23:57:52 | 只看該作者
George M. Rodgers MD, PhDng. Depending on the nature of the animal, calf, goat, sheep, kangaroo, etc, each skin has a characteristic feature. The tanning process induces chemical modifications of skin structure to achieve specific properties required by the type of product to be manufactured. Leather quality depends on anim
26#
發(fā)表于 2025-3-26 00:21:16 | 只看該作者
George M. Rodgers MD, PhD for the pad’s sealing surface, maintaining an even tension on the skin of the pad. The pad cushion layer is made of multiple layers of felt. Felt is a soft fibrous network material. Felt is manufactured through pressing, matting and condensing different kinds of fibres-wool (Merino sheep, goat) or
27#
發(fā)表于 2025-3-26 07:31:34 | 只看該作者
Sterling T. Bennett MD, MSby a detailed discussion of the concept of entropy and entropy production. While the balance laws are universal for any continuous medium, the particular behavior of the material of interest must be described by an extra set of material-specific equations. These equations relating, for example, the
28#
發(fā)表于 2025-3-26 08:45:47 | 只看該作者
Kristi J. Smock MDby a detailed discussion of the concept of entropy and entropy production. While the balance laws are universal for any continuous medium, the particular behavior of the material of interest must be described by an extra set of material-specific equations. These equations relating, for example, the
29#
發(fā)表于 2025-3-26 14:14:46 | 只看該作者
30#
發(fā)表于 2025-3-26 18:52:01 | 只看該作者
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