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- The contrast analysis shows that,the timber physic mechanics character is similar with the other species of Populus.The main orientati... 对比分析可知其木材物理力学性质与杨属类其它种木材相近,并指出其木材利用的主要方向。
- It is discussed that relations between the theorem of parallel axle in the common physics mechanics and the theorem of Konig in the theories mechanics. 摘要对普通物理力学中平行轴定理与理论力学中柯尼希定理相互间关系进行了讨论。
- The fine aggregate is one of the basic raw materials of the concrete. The quality of the aggregate plays an important role in workability of flesh concrete and physic mechanics property and duration of the harden concrete. 细集料是配制混凝土的基本原材料，其质量优劣对混凝土拌合物的工作性和硬化混凝土的物理力学性能和耐久性均具有重要影响。
- NBI heating is of the highest heating efficiency and of the clearst physics mechanism of tokamak heating method except ohmic heating. NBI加热是在托卡马克上除了欧姆加热外的主要辅助加热中加热效率最高、物理机制最清楚的手段。
- The physics mechanism of the barricade's encourage effect in the gas explosion propagation was analyzed, and the homologous physics model was set up. 摘要对瓦斯爆炸传播过程中障碍物激励效应的物理机制进行了分析，并构建了相应的物理模型。
- The results show that the hastening infiltation effect from chemistry and physics mechanism is obvious by adding elect... 结果发现:直接电加热可以充分发挥电磁场的化学催渗和物理催渗作用,提高渗层质量,加速渗硼过程,缩短渗硼周期。
- Soil physical mechanism of the processes of water saving. 节水高产技术体系土壤物理学机理。
- In this paper,the physical mechanics performance and road performance of waste gypsum used as road bed filling material were discussed, and its the security Was evaluated as well. 研究了废石膏作为路基回填材料的物理力学性能和路用性能,并对废石膏回填材料的安全性进行了评价。
- Therefore, the deep research of the red clay"s function physical mechanics characteristic under the dynamic load (for example strong hang load) has the important meaning. 因此,深入研究红粘土在动力荷载(如强夯荷载)作用下的物理力学特性具有重要意义。
- Owing to its outstanding performance in physical mechanics,carbon fiber sheet is commonly used in the restoration,strengthening and seismic strengthening of RC structure. 碳纤维片材因其优异的物理力学性能而被广泛应用于钢筋混凝土构件的修复、加固及抗震加固。
- In the aerodynamic, aviation engineering, jet propulsion, engineering cybernetics, physical mechanics etc fields of science technology made contributions. 在空气动力学、航空工程、喷气推进、工程控制论、物理力学等技术科学领域作出了开创性贡献。
- RC is a composite material with rebar and concrete that have different physical mechanics characters, and its constitutive relationship is relatively complex. 摘要钢筋混凝土是由钢筋和混凝土两种具有不同物理力学性质的材料组合而成的复合材料，其本构模型比较复杂。
- He tutored the child in physics. 他给这小孩辅导物理。
- Its physical mechanism and vibrative characters are discussed in this paper. 总结出一次冲击地震动的特点、产生条件及形成机制。
- Physics is governed by cosmic laws. 物理学受宇宙法则的制约。
- Physics has made enormous progress in this century. 本世纪物理学的发展突飞猛进。
- Einstein's theory marked a new epoch in physics. 爱因斯坦理论开创了物理学的新纪元。
- Nuclear physics is a closed book to me. 核物理学是我完全不懂的一门学科。
- Nuclear physics is a closed book to most of us. 我们大多数人对原子核物理学一窍不通。
- He failed in the examination of mechanics. 他没通过力学考试。
