The physical and mechanical properties of middle cutting wood of Cunninghamia lanceolata are inferior to those from natural forests.
杉木中伐材的物理力学性能不如天然林中伐材。
The result of the standard physical and mechanical properties tested was presented.
提出标准物理力学性质的试验结果。
The materials have good physical and mechanical properties and 96-100% shrink ratio.
该材料具有较好的物理机械性能，热收缩率达96 ~ 100%。
Compressed wood's physical and mechanical properties of have obvious improvement to natural material.
压缩木的物理力学性能比天然材有明显的提高。
This article systematically studies the physical and mechanical properties of solid alkaline AAS cement.
本文系统研究了固态碱组分碱矿渣水泥的物理力学性能。
The strip steel is developed especially for optimum combination of the physical and mechanical properties.
该带钢是发达国家特别是对于优化组合的物理力学性能。
Physical and mechanical properties of a plastic pirn are important indexes of its quality Characteristics.
塑料纬纱管物理力学性能是其质量特性的重要指标。
The influences of explosion on the physical and mechanical properties of the surrounding soil are analyzed.
分析了爆炸对周围土壤物理、力学性质的影响。
Firstly, the physical and mechanical properties of Shapotou soft rock are detailedly analysed in this paper.
首先，本文对沙坡头坝基软岩的物理力学特性进行了详细的分析。
It has special physical and mechanical properties due to its composition, structure and sedimentary environment.
特殊的发育环境、物质组成和结构导致了珊瑚砂具有独特的物理力学性质。
The physical and mechanical properties of layer rock and the acoustics characteristic have a close relationship.
层理岩石是由一种或多种矿物晶粒、孔隙和胶结物等组成的集合体。
High melt strength pp (HMSPP) had excellent physical and mechanical properties and its foamed products had wide applications.
高熔体强度聚丙烯具有优异的物理机械性能，其发泡制品拥有广泛的用途。
The synthesis technology route, the physical and mechanical properties and also its applied prospect of PFPA 1212 were introduced.
介绍石油发酵尼龙1212的合成工艺路线及基体树脂物理力学性能以及在各个领域的应用前景。
The effects of copper content on the physical and mechanical properties of powder metallurgy airplane brake materials were studied.
研究了大范围铜含量对粉末冶金航空刹车材料物理力学性能的影响。
Besides, physical metallurgy also includes the techniques and processes of changing the physical and mechanical properties of metals.
此外，物理冶金学还包括改变金属物理和机械性能的技术和工艺。
The composition and method of curing influence the microstructure and thus the physical and mechanical properties of aerated concrete.
的组成和方法固化影响的微观结构，从而使物理和力学性能的加气混凝土。
The criteria of pipe selection include good physical and mechanical properties, high intensity, and sustaining and water supply reliable.
选择给水用管道的原则是：物理机械性能良好，强度高，保证连续、安全、可靠供水；
In addition, the cause of formation, physical and mechanical properties of Yunnan silt is very different from the silt in the other areas.
另外，云南粉土具有其地区性，其成因、物理力学性质都与其他地区的粉土有较大差别。
The perforation diameter, speed as well as the power supply required are closely related to physical and mechanical properties of soil stratum.
它的穿孔直径和穿孔速度所需动力都与土层的各种物理力学参数有密切关系。
The results show that the W-Cu contact produced possesses high density, excellent physical and mechanical properties and arc-erosion resistance.
结果表明，用本工艺制取的钨-铜触头具有接近理论密度的高密度、优异的物理机械性能和抗电蚀性。
The physical and mechanical properties of the acrylic resin films as well as the performances of the coating film on the leather were determined.
通过对比的方法测定了丙烯酸树脂成膜的物理机械性能及应用于皮革涂饰后涂层的性能。
This article studies the impact of the accelerated aging test to UF MDF decorated by different material about physical and mechanical properties.
研究了加速老化试验对经不同装饰后的脲醛胶中纤板物理力学性能的影响。
Systematic analyses and studies of physical and mechanical properties are made on tailings test results in Lanping Lead-Zinc Mine of Yunnan province.
本文结合云南省兰坪铅锌矿尾矿料的大量物理力学性试验成果进行了系统的分析研究。
It is characteristics of high thickness and complex physical and mechanical properties to the shallow buried silt along the Yangtze River in Shanghai.
上海市沿江地区浅部粉性土具有厚度大、物理力学性质复杂多变的特征。
Experimental work was conducted to investigate the basic physical and mechanical properties of concrete with different percentage of recycled aggregate.
对配合比相同和坍落度相同两种情况下，不同再生骨料掺入量混凝土的基本性能进行了系统的试验研究。
The natural curing time of CPB after hot pressing on the physical and mechanical properties of fast-curing CPB were determined by the hydration of cement.
水泥刨花板卸出压机后的自然养护时间对快速固化水泥刨花板物理力学性能的影响主要取决于板在养护期间水泥的水化情况。
Polypropylene (pp) has good physical and mechanical properties with rich sources and low price, and its foamed articles have wide applications in many fields.
聚丙烯(PP)具有优良的物理化学性能，来源丰富，价格便宜，PP泡沫产品在许多领域将有广泛的用途。
The tailing is different from common soil in the relation of the physical and mechanical properties (such as dry density and strength) with the stockpiling depth.
尾矿的物理力学性质如干密度、强度等与其堆存深度关系的密切程度与一般的土有较大的区别。
This article reviewed the progresses in the composition and curing methods of medical composite resin, and the improvements in physical and mechanical properties.
作者介绍了近年来医用牙科复合树脂的组成、聚合方式的改进以及由此引起的物理、机械性能的改善。
Hot pressing is the key of flakeboard production. During the process it determines the final physical and mechanical properties and the production line capability.
热压是整个刨花板生产的核心环节，该过程不仅形成产品的主要物理力学性能，而且决定着设备生产能力的大小。
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