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 organic content is the main factor of the physical and mechanical properties of turfy soil.
草炭土的有机质含量是决定其物理、力学性质的主要因素。
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 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。
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。
The results showed that the physical and mechanical properties of bio-fiber composites can be improved though foaming.
研究结果表明：以碳酸氢钠为发泡剂对生物质纤维基复合材料进行发泡可以有效提高材料的物理力学性能。
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。
Through the research of the physical and mechanical properties of the self leveling mortar, The authers developed a super flowing agent.
通过流化剂组分对自流平砂浆的流平性能及物理力学性能影响的试验研究，研制出一种砂浆用的高效自流平流化剂。
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。
The results show that the physical and mechanical properties of middle cutting wood of Cunninghamia lanceolata are inferior to those from natural forest.
结果表明：杉间材物理力学性质较天然林差。为杉木的定向培育。
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。
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。
So the study of the physical and mechanical properties of heated salt rock is important and essential to ensure the safety of nuclear wastes disposed in salt rock.
因此，为保证核废料地下处置的安全性，研究盐岩在一定温度条件下的物理力学特性十分重要。
The relationship between the efficiency of separation of glass from waste materials and the physical and mechanical properties of these waste materials is analyzed.
从理论上阐述了分选效果与被选物的物理力学性质的关系。
AIM: To study the effects of presintering temperature and the temperature elevation speed on the physical and mechanical properties of alumina glass composites (AGC).
目的：探讨预烧结温度及升温速率对氧化铝玻璃复合体的物理及力学性能的影响。
Based on the character of high liquid limit soil improved by CON-AID stabilizing agent, the physical and mechanical properties and the strength change laws are studied.
针对高液限土的特点，采用掺入康耐土壤稳定剂，研究其物理力学性质和强度变化规律。
The quantitative indexes given can clearly reveal the change of the quality of weathered rocks, and agree well with the indexes of the physical and mechanical properties of rocks.
给出的定量指标很好地反映了风化岩石质量，且与反映岩石风化程度的一些物理力学指标存在良好相关性。
Applications a good delayed accelerator. It is suitable for NR and SR in making tire rubber products, such as tire to improve the physical and mechanical properties of rubber products.
用途是优良的后效性促进剂，适用于天然胶及合成胶和轮胎等橡胶制品，能提高橡胶制品的物理机械性能。
In general it is thought that nitriding may be slightly change the total geometric figure of metal parts by the micro-changing of the physical and mechanical properties of part surface.
通常认为，渗氮导致零件表面的物理及力学性质的微小变化，从而导致零件整体几何形状的变化。
The physical and mechanical properties, structure design and construction technology of the mixing material of the fly ash and lime applied in the foundation of airfield road are presented.
论述了粉煤灰、石灰混合料在机场场道基层中应用的物理力学性能、结构设计和施工要点。
The physical and mechanical properties and durability properties of the geopolymer blend cement(GBC) concrete and the ordinary Portland concrete(OPC) are compared in laboratory experiments.
用正交试验确定合成地聚物水泥的最优配方，以单因素试验说明改变沸石的质量分数和粒度对地聚物水泥机械性能的影响。
It showed that the silicone rubber gel can be controlled without structure-forming agent, and the physical and mechanical properties of the silicone rubber compound can be meet applications.
说明不加结构控制剂的硅橡胶凝胶量是可控制的，这种胶料的物理机械性能可以满足使用要求。
Evidently, the severe degree of ground pressure behaviors is not only relevant to the rock pressure, but also interrelated with the physical and mechanical properties of the rock around laneway.
显然矿压显现的剧烈程度不仅和矿山压力的大小有关，而且和井巷围岩自身的物理、力学性质也紧密相关。
The physical and mechanical properties of structural glued laminated bamboo were studied and compared with LVL made from several kinds of plantation wood, as well as common structural solid wood.
测定结构用竹集成材及其竹指接集成材的主要物理力学性能，并将测试结果与几种人工林单板层积材以及常见建筑用材种的相关性能进行比较。
However, red sandy rock exists and distributes widely in our country, especially in areas where mountainous highways locate. Through a lot of experiments, the physical and mechanical properties a...
但红砂岩在我国分布较广泛，尤其在山区公路建设中大量存在。
The physical and chemical properties, mechanical properties and fire-retardant properties were also given.
列举了涂料的理化性能、力学性能和耐火性能的检测结果。
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