Objective to study the dentofacial hard tissues features of people with normal occlusion of Shijiazhuang.

目的研究石家庄市正常牙合汉族人硬组织颅面结构特征。

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Objective: To investigate the bonding effect of composite resins on titanium materials and dental hard tissues.

目的：研究复合树脂对医用钛材和牙体硬组织的粘结性能。

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Soft tissues are seen with the same machine as for hard tissues, but a "softer" or less-penetrating X-ray beam is used.

软组织与硬组织的同一台机器，但用于“软”或更少穿透X射线束。

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Why has it been so hard and why does it continue to be difficult to identify these pluripotent cells within tissues?

为什么会那么难呢,为什么在组织中识别多能干细胞,始终困难重重呢

耶鲁公开课 - 生物医学工程探索课程节选

Biolase's Waterlase system uses a patented combination of water and lasers to precisely cut hard tissues (bone and teeth) and soft tissue (gums) with minimal damage to surrounding areas.

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One example: The gene that makes the Epogen protein is expressed in only a few scattered tissues and is hard to detect by conventional gene-finding methods, which discover genes not by looking at DNA but by examining the RNA messengers that ferry genetic code between the DNA itself and the cellular machinery that make proteins.

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Over the years, he's been working on a technique called "plastination" that replaces the water and fat inside a body's tissues with polymers -- sticky, hard-drying plastics.

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