A. materials that can be broken down by living organisms B. materials that are very hard C. materials that are poisonous D. materials that are very E. xpensive 相关知识点: 试题来源: 解析 A。“biodegradable materials”是可生物降解的材料,B 选项非常硬不对;C 选项有毒不对;D 选项非常昂贵不...
What is a biodegradable biodegradable material (Biodegradable Materials) the main exergy with natural polymer or polyester type is a kind of natural polymer resources to be the general exergy exergy matrix obtained from the short repeat such 12、as microorganisms, plants, animal made exergy. ...
PLA is a new type of biodegradable material, made from starch raw materials proposed by renewable plant resources (such as corn). Starch raw materials are saccharified to obtain glucose, which is then fermented by glucose and certain strains to produce high-purity lactic acid, and then a certa...
Biodegradable materials include biodegradable natural polymer materials such as cellulose, starch and paper, as well as biodegradable plastics obtained by biosynthesis or chemical synthesis. Biodegradable plastics refer to the degradation caused by microorganisms existing in nature under natural conditions such ...
Biodegradable toilet paper is more environmentally friendly. Biodegradability is an important part of discussions on ecology. Throughout the world, landfills are built as enormous trash pits for refuse of all kinds. While biodegradable materials will quickly break down and become organic materials, slowl...
Step-by-Step Solution:1. Definition of Biodegradable Polymer: A biodegradable polymer is a type of polymer that can be broken down by natural processes, typically by the action of living organisms such as b
So, what should be deemed “biodegradable”? If we take heed of some of these semi-formal explanations, we can begin to decipher what should be classed as “biodegradable”. Basically, the use of the word should ideally be restricted to products and materials that break down into smaller par...
biodegradability is a characteristic of polymers that is independent of their origin and can be altered after tuning at the molecular level. Therefore, some polymers are produced from petroleum feedstocks but are biodegradable. Therefore, in addition to naturally derived biopolymers, there are also petr...
Many fabrics are considered to be biodegradable, but just because something is biodegradable does not mean that it is sustainable.
However, research is ongoing into using agricultural waste or non-food crops as PLA feedstocks, which could mitigate these concerns. Conclusion Polylactic acid (PLA) represents a significant advancement in biodegradable materials, offering a potential solution to the persistent problem of plastic ...