Genistein 发表于 2025-3-25 05:28:42

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Carbon-Monoxide 发表于 2025-3-25 09:04:26

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肮脏 发表于 2025-3-25 13:34:03

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儿童 发表于 2025-3-25 16:43:36

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大方一点 发表于 2025-3-25 23:45:31

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Eosinophils 发表于 2025-3-26 00:10:44

Imaging artifacts in mechanically driven ultrasound catheters,ared for rotational speed of 1000 and 3000 revolutions per minute (rpm), and for straight as well as strongly curved catheters. By way of example, the periodic angle error varies from 25 degrees top-top in a straight catheter to 80 degrees top-top when the catheter is curved with R = 20 mm, using a spiral drive-shaft at 1000 rpm.

Embolic-Stroke 发表于 2025-3-26 04:46:33

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Ingratiate 发表于 2025-3-26 12:30:28

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引导 发表于 2025-3-26 15:06:08

J. Roelandt,P. W. Serruysthat change a change in the height and nature of the barriers to entry. I mentioned above that the scale of output has increased substantially among the leading firms. Combined with the possibility of reaping benefits from economies of scale, price competition has taken on a much more important role

Integrate 发表于 2025-3-26 18:46:16

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查看完整版本: Titlebook: Intravascular ultrasound; Techniques, developm N. Bom,J. Roelandt Book 1989 Kluwer Academic Publishers 1989 ultrasound.Ultrasonography