| 1. | Physical property parameter of material 材料物理性能参数 |
| 2. | Ical . reaction to fire tests - determination of fire parameters of materials , products and assemblies using an intermediate scale heat release calorimeter 燃烧试验的反应.使用中间刻度的热释放卡路里仪 |
| 3. | Test method for determination of fire and thermal parameters of materials using an intermediate scale test with vertically oriented specimen 使用垂直定向样品的中型试验测定材料耐火和耐热参数的试验方法 |
| 4. | Standard test method for determination of fire and thermal parameters of materials using an intermediate scale test with vertically oriented specimen 使用垂直定向样本的中型试验测定材料的耐火和耐热参数的标准试验方法 |
| 5. | Absorbing properties of single layer absorbing materials are determined by complex permittivity , complex permeability , thickness , frequency and so on . the external electromagnetic ( em ) parameters of materials lie on ingredients " content and em parameters 单层吸波材料的吸波性能主要取决于材料的复介电常数、复磁导率、材料厚度及使用频率等因素,而该层的宏观电磁参数又取决于各组分的电磁参数及其含量。 |
| 6. | Analysis of frequency for plane compliant mechanisms based on the pseudo - rigid - body model was illustrated in detail , and the effect of section parameter 、 structure size and characteristic parameter of material on mechanisms were discussed respectively ; a newly relative index of frequency characteristic for the material of compliant mechanisms was advanced and some examples were given to validate its reliability 摘要以伪刚体模型为基础对平面柔顺机构的频率特性进行了详细的分析,并分别就机构截面参数、结构尺寸、材料参数对频率的影响进行了讨论;针对柔顺机构材料特点提出了新的频率特性比较指标,给出了数值算例,验证了评价指标的可靠性。 |
| 7. | The classic macroscopic mechanical models , which characterize the concrete as a continuum at macroscopic level and consider the test results of laboratory scale specimen as the mechanical properties of the material , could analyze the mechanical response of structures with greater size . in reality , the test results of laboratory that are generally called physical and mechanical parameters of material are average responses of a heterogeneous specimen with a certain size 有关混凝土力学特性的力学模型都是基于混凝土材料的宏观层次研究其力学特性,其主要特点是把材料理想化为均质材料进行研究,把实验室尺度下力学试验的结果作为材料的力学参数,以此为基础进行更大尺度宏观结构的力学响应分析。 |
| 8. | Mass concrete structure is constructed by layers . the physics parameters and the thermal boundary conditions of concrete change with time . therefore the whole construct process should be simulated and parameters of materials , boundary conditions and mesh should be changed with time in computing 浇筑日期不同,各浇筑块的物理参数、热学边界条件都要发生变化,因而在计算分析中要对整个施工过程进行模拟跟踪,并充分反映材料参数、边界条件和网格随时空变化的特性。 |