| 1. | Method of test for unit mass and air content of fresh concrete by mass method 用质量法测试新浇铸混凝土的单位质量和空气含量的试验方法 |
| 2. | In this article , the author stimulates some complex sites using two - phase media motion differential equations , finite element lumped - mass method and multi - transmitting formula 本文利用两相介质运动微分方程和集中质量有限元法,并结合透射边界对几种复杂场地对地震波传播的影响进行了模拟。 |
| 3. | The main contents and innovations are as follows : 1 . centralized mass method was used to get the dynamic model of the mechanism and some essential parameters of the model were solved 具体内容和创新归纳如下: 1 )利用离散化集中质量法建立了开牙凸轮机构的动力学模型,计算出了模型的基本参数。 |
| 4. | Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrodes - chemical reactivity to air of prebaked anodes - determination of the reactivity by a loss in mass method 制铝工业用炭素材料的取样与试验方法.电极.预焙阳极对空气的化学反应性.用质量损失法测定其化学反应性 |
| 5. | Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrodes - carboxy reactivity of prebaked anodes - determination of the reactivity by a loss in mass method - sec 3 . 8 carboxy reactivity of prebaked anodes subsec 3 . 8 . 1 determination of the reactivity buy a loss in mass method 制铝工业用碳素材料的取样与试验方法.电极用焦炭.预焙阳极的羧基反应性.通过质量损失法测定反应性 |
| 6. | Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrode coke - carboxy reactivity of calcined coke - determination of the reactivity by a loss in mass method - section 2 . 20 : carboxy reactivity of calcined coke subsection 2 . 20 . 1 : determination of the reactivity by a loss in mass method 制铝工业用碳素材料的取样与试验方法.电极用焦炭.煅烧焦炭的羧基反应性.通过质量损失法测定反应性 |
| 7. | After that , the multifractal spectra dq - q are computed by fixed - mass method . the results show that in the studied scaling range different types of landscapes and profiles in different directions perform different fractal properties , that is , the d value and crossover length ^ decrease in turns with the landform type from high - moutain , mid - low mountain to basin , and the profile parallel to wear grooves often has lower d values ( < 1 . 5 ) than those perpendicular to wear grooves do ( 1 . 5 ) in the same section 提出以地貌分形特点和渡越长度为依据的地貌层次界定方案,研究指出了5km左右应为宏观临界点:不同构造地貌区、不同取向的剖线的多重分形谱值域范围宽窄表现出中低山区高山区盆地区,垂直构造地貌斜坡方向斜交方向平行方向的特点,表明了内外营力作用的不均匀性和方向性。 |
| 8. | The compute model of shafts of the machines is built by adopting concentrated mass method . taking into account the different support conditions of the shafts that workshop is considered as rigidity or elasticity ; the natural characteristic and unbalanced response of the shafts are computed by integrating with high stable riccati transfer matrix method 采用集总质量法对机组轴系建立了计算模型,并结合稳定性良好的riccati传递矩阵法,分别考虑机组轴系的支撑基础(厂房)为刚性、弹性两种情况,计算了机组轴系的自振特性、轴系的不平衡响应。 |
| 9. | Through newton ’ s law of motion , the continuous model of the cantilever is built . the author discretizes the model through lumped mass method and supposed modal method , analyzes the discretized model through influence coefficients method . compare the results of the two models ; the general analysis method of non - uniform beams is obtained 其次,对悬臂梁结构进行了理论分析,应用牛顿运动定律,建立了悬臂梁系统的连续模型,并用集中质量法和假设模态法对悬臂梁系统进行了离散化,运用影响系数法对离散化后的系统进行了分析,并把分析结果和连续系统进行了对比,得到了变截面梁的一般分析方法。 |