In this method, Poisson's ratio, the compressive strength and a suitable strength theory are needed to calculate the tensile strength of rock material.
与传统测试方法不同，这种方法需要知道材料的泊松比和抗压强度，以及适合于岩石材料的强度理论。
Shaving board adhesive consists of mixed modified waste liquid and UF resins. Proper process can make the shaving board be of suitable strength and property density.
改性的麻杆黑液与自制脲醛树脂按一定比例调配作为刨花板粘合剂，选择适当的工艺条件，将麻芯与刨花的混合料压制成具有一定强度、适当密度值的板材。
Through study on human active material Hydroxyapatite, it is regarded as the ideal human's bone replacement material with good characteristics of lower price, biology and suitable strength.
通过对人体活性材料羟基磷灰石的研究，发现它的生物活性和相容性较好，强度适中，并且价格低，是理想的人体骨替代材料。
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