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# คำถาม คำตอบ ถูก / ผิด สาเหตุ/ขยายความ ทฤษฎีหลักคิด/อ้างอิงในการตอบ คะแนนเต็ม ให้คะแนน
1


What is a key advantage of additive manufacturing in various industries?

Quick production and complex designs

Speed: Additive manufacturing techniques enable rapid prototyping and production, significantly reducing lead times compared to traditional manufacturing methods. This speed facilitates faster product development cycles and quicker response to market demands. (Pg. 7, Pg. 2) Customization: Additive manufacturing offers unparalleled design freedom, allowing for the creation of complex geometries and intricate internal structures that are challenging or impossible to achieve with conventional manufacturing processes. This customization capability enables the production of products specifically tailored to meet unique requirements. (Pg. 23, Pg. 7, Pg. 2) Efficiency: By eliminating the need for tooling and reducing material waste, additive manufacturing streamlines the production process, leading to cost savings and increased efficiency. The layer-by-layer deposition of material ensures precise control over the final product, maximizing material utilization and minimizing waste. (Pg. 23, Pg. 2) Innovation: The ability to rapidly iterate designs and produce prototypes facilitates innovation in product development. Additive manufacturing empowers designers and engineers to experiment with new concepts, test ideas quickly, and refine designs based on feedback, fostering a culture of innovation within the industry. (Pg. 7, Pg. 2) In summary, the combination of rapid production and the ability to create complex designs through additive manufacturing provides the industry with a competitive advantage by accelerating product development, enhancing customization, improving efficiency, and promoting innovation.

In addressing the advantages of implants made by additive manufacturing over other implants, one key theory that can be applied is the Theory of Disruptive Innovation by Clayton Christensen. This theory suggests that new technologies or processes, such as additive manufacturing, can disrupt existing markets and value networks by introducing simpler, more convenient, and often lower-cost alternatives that initially may not meet the needs of mainstream customers but eventually evolve to displace established technologies (Page 18). In the context of additive manufacturing for implants, this theory can be applied to explain how the flexibility, design freedom, and cost-effectiveness of additive manufacturing methods like 3D printing are gradually challenging traditional manufacturing processes in the medical device industry. The ability of additive manufacturing to produce complex or custom-shaped implants quickly and efficiently, with reduced waste and lower processing costs, aligns with the principles of disruptive innovation, as it offers a new approach that can potentially replace conventional methods in the future (Page 19). By understanding and applying the Theory of Disruptive Innovation in the context of additive manufacturing for implants, stakeholders in the medical industry can better grasp the transformative potential of this technology and strategize for its integration into mainstream healthcare practices.

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2


How has additive manufacturing impacted tissue engineering and regenerative medicine?

Revolutionized with precise control

The ability of additive manufacturing to revolutionize the production of implants lies in its capacity for precise control over the manufacturing process. This precise control is enabled by the layer-by-layer fabrication method inherent in additive manufacturing technologies like 3D printing. By depositing material in a controlled manner, additive manufacturing allows for the creation of intricate internal structures and complex geometries that may be challenging or impossible to achieve with traditional manufacturing methods (Page 2). Furthermore, the precise control offered by additive manufacturing facilitates the customization of implants to match each patient's unique anatomy and medical requirements. This level of customization enhances the fit and functionality of the implants, leading to improved patient outcomes and personalized healthcare solutions (Page 23). Additionally, the ability to control the manufacturing process at a detailed level enables rapid prototyping, iterative design improvements, and efficient production of implants. This not only accelerates the development and deployment of implants but also contributes to cost-effectiveness by reducing material waste and streamlining the manufacturing process (Page 2).

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3


What is a significant application of additive manufacturing in healthcare?

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4


Which industry benefits from the flexibility in design and customization provided by additive manufacturing?

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5


Essay | Discuss the transformative impact of additive manufacturing on healthcare, focusing on its role in creating personalized implants, prosthetics, and its potential for regenerative medicine. How does precise control over internal structures contribute to these advancements?

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6


What pressing issues motivate the exploration of wastewater reuse and recycling?

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Why are modern water treatment technologies still challenging for many developing nations?

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What is the primary focus of using agricultural waste for wastewater treatment?

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What is biosorption, and why is it considered a potential resource for wastewater treatment?

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Essay | Explain the significance of using agricultural waste as biosorbents for wastewater treatment. Discuss the environmental and economic benefits, along with challenges that need to be addressed for successful implementation.

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11


What is the primary motivation for China to lead global offshore wind power development?

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12


What is the estimated power generation potential of offshore wind energy resources in China?

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13


What percentage of national electricity needs does current utilization of offshore wind energy in China supply?

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14


By 2050, how much is the planned installation of offshore wind capacity along the China coast expected to be compared to current global capacity?

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Essay | Please explain the potential of offshore wind power in China based on the study's findings and discuss the estimated power generation, the current state of utilization, and the projected impact on CO2 emissions reduction by 2050. Evaluate the significance of offshore wind in transforming China's energy landscape.

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16


What does the paper introduce to analyze human-machine contact force in spatial rigid body mechanics?

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17


How is the human-machine contact force equivalent in the proposed analytical method?

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18


What is considered when establishing the equivalent human-machine contact force model?

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19


How are the tension/compression and the internal force of each virtual branch obtained in the analytical solution?

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20


Essay | Please describe the spatial rigid body mechanics analytical method introduced in the paper for analyzing human-machine contact force. Discuss its key components, such as the equivalent models and the considerations for establishing the equivalent human-machine contact force model. Highlight the significance of this method in understanding and optimizing human-machine interactions.

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ผลคะแนน 11.55 เต็ม 152

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