What makes spider silk fibers so strong? From molecular-crystallite network to hierarchical network structures 来自 国家科技图书文献中心 喜欢 0 阅读量: 201 作者:G Xu,G Li,Y Zhen,XY Liu 摘要: A Hierarchical Network (HN) model of soft matter was put forward to explain the mechanical properties...
In a general sense, infrastructure refers to physical structures and facilities, such as buildings, offices, datacenters, and so on. In a computing sense, IT infrastructure can be referred to as your cloud and mobile devices, Internet of Things (IoT) endpoints, on-premises servers, cloud-based...
What makes the bone hard? Bones: Bones are rigid structures within our bodies. They protect our organs from mechanical damage and they help maintain our body structures because muscles attach to them. Key Terms Related to Bones: Osseous Tissue - The connective tissue of bone; contains an abunda...
A look at what goes on in most classrooms these days makes it abundantly clear that when people think about education, they are not thinking about what it feels like to be a child, or what makes childhood an important and valuable stage of life in its own right. 出自-2015年12月阅读原文...
They use it in a method called comparative analysis, in which they see how the elements and structures of the two languages are the same or different. It is important because a person sometimes has to abandon the engrained structural rules of his native language to properly employ the second ...
Pre-engineered structures require numerous processes. Building purpose, size, layout, and load requirements determine the design and specifications. After the design, manufacturing begins. Factory machinery makes structural components from steel or other materials. These components are supplied to the constr...
aWell done. The language in your writing is generally clear but with some errors. What can I say, congratulations on a job nicely done with big words and good sentence structures. It's evident that you have covered the points required in your writing and showed strong writing skill. Well ...
Who the team reports to will often be determined by how it is organized. Some organizations create a centralized data science team. In other companies, lines of business hire their own data scientists. A third option for more mature organizations is to combine the two structures into a...
Weak structures. The structure is not strong enough to withstand the load to which it is subject. This is usually due to inappropriate geometric design or material choice Structural deterioration. The structure deteriorates due to corrosion, fatigue, wear, rot or creep. Fatigue failures often begin...
Considerate texts use structures that are easy for the reader to identify, which also makes it easier for them to pick out the main ideas and key details. This text type also supports comprehension with features like: Clear topic sequences ...