软硬度(NLGI): 2 操作温度：-30至+150摄氏度 外观：光滑蓝色 基础油：矿物油 基础油粘度： 40摄氏度-180cst 100摄氏度-17cst 增稠剂：多复合 ...
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目的：研究不同软硬度床褥对睡眠质量的影响。
Objective: To investigate the various effects of the mattresses with different firmness on sleep quality.
产品形状、颜色、软硬度可以根据客户需要改变。
Can be made in unique shapes, colours and softness according to customer requirements.
酸碱软硬度的定量标度是软硬酸碱原则研究中有待解决的重要课题。
The quantitative scale of the hardness-softness of acids and bases is an important problem yet to be solved in the study of the principles of hard and soft acids and bases.
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