A. Synthetic materials only. B. Natural materials like wood, bamboo, and linen. C. Metallic materials. D. Plastic materials. 相关知识点: 试题来源: 解析 B。中文解析:日式简约风格常使用自然材料如木材、竹子和亚麻,A 选项仅合成材料错误;C 选项金属材料不是主要使用的;D 选项塑料材料也不对。反馈...
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Acute oral toxicity studies in animals indicate that carbomer 934P has a low oral toxicity, with doses up to 8 g/kg being administered to dogs without fatalities occurring. Carbomers are generally regarded as essentially nontoxic and nonirritant materials; there is no evidence in humans of ...
The environmental impact of mesh fabric depends, to a degree, on the materials from which it is made. However, since this fabric is almost always made from synthetic materials, it's easy to say that mesh has a notably negative impact on the environment. Both nylon and polyester are fully...
It is more efficient, it produces less waste, and it results in a product that is less synthetic than rayon. The Production Process Chips of hardwood like oak or birch are used as the raw materials for the cellulose that is used in this fabric. The trees used for these purposes are ...
Highly disperse metal oxide layers whose properties and structure significantly alter the physicochemical characteristics of fibre-forming polymers were applied on the surface of synthetic fibres. A mechanism of formation of surface oxide structures is proposed and possible areas of application of such ...
Here's the lowdown of the best moisture-wicking T-shirt materials, whether you prefer a short-sleeve or long-sleeve tee. Plus, when to wear them. Polyester:This synthetic material is a go-to for moisture-wicking tops. And for good reason: It's durable, lightweight and breathable, notes...
Synthetic chemists are frequently hired by large and mid sized biotech companies for high throughput experiments that generate up to 700k reactions annually, creating over 700K datasets to characterize them using LC/ UV/ MS techniques. Their data can then be normalized against the instrument landscape...
Mainly prized for its ornamental properties, jacquard is also a relatively durable and heavyweight fabric, and it’s possible to accentuate these attributes by weaving jacquard using wool or other durable materials. Uncommonly used in casual garments due to its complexity and relatively high cost, te...
Once it is discarded by the end consumer, polypro plastic stays in the environment for a very long time. It takes hundreds of years for this substance to decompose, so it is not considered to be biodegradable. Unlike some other synthetic materials, however, most polypro introduced into the en...