1) structural loss factor
结构损耗因子
1.
Secondly,numerical simulations on the constrained damping plate are conducted under different geometric and material parameters with Nastran software within the dynamic finite element model validated by the vibration experiments,and a series of corresponding resonance frequencies and structural loss factors are obtained.
在约束阻尼板振动实验基础上,建立了约束阻尼板的动态有限元模型,并对经实验验证的有限元模型运用NASTRAN程序对该约束阻尼板进行不同几何、材料参数下的仿真计算,得到相应的谐振频率和结构损耗因子。
2.
The calculation of the complicated structural loss factor for plain woven fiber composite can also be solved by elastic deformation energy princi.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
3.
Then structural loss factors of these wheels are calculated by means of FEM method.
在ANSYS中建立标准车轮和阻尼车轮的实体模型,分别分析阻尼层的厚度、约束层的材料和厚度对阻尼车轮减振效果的影响,用有限单元法计算6种阻尼车轮的结构损耗因子。
2) loss factor
结构损耗因子
1.
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
用正弦扫描激励法测定和计算了层压减振复合钢板的幅频特性曲线和结构损耗因子。
2.
Moreover for the laminated plates with a constrained viscoelastic layer,the predicted vibration frequency and loss factor show the good agreement with the three-dimensional observations.
应用混合分层理论推导出的粘弹层合板的动力学方程,不仅得出与三层弹性板精确的频率解吻合良好的解,而且对于粘弹层合板,所计算的振动频率和结构损耗因子也与三维结果吻合较好。
3) structural loss
结构损耗
4) loss factor
损耗因子
1.
Relation between acoustical absorption coefficient and loss factor in reverberant field with statistical energy analysis(SEA);
统计能量分析混响声场中吸声系数与损耗因子关系研究
2.
Calculation of frequency and loss factor of composite sandwich structures;
复合夹层结构频率及损耗因子的计算
3.
The effects of additional magnets on the loss factor of a smart magnetic partially constrained layers clamped-clamped beam;
附加磁体对局部约束阻尼固支梁损耗因子的影响
5) tanδ
损耗因子
1.
The results showed that the relaxtion rates of the test pieces aged at room temperature and 60 ℃ increased,but their thickness,break-down strain and tanδ changed little indicating that MVQ foam had better heat resistance;and the thickness and break-down strain of the test piece aged at 60 ℃ + loading decreased significantly,its relaxation rate in.
结果表明,经过常温贮存和60℃老化后的MVQ海绵松弛率增大,厚度、破坏应变和损耗因子(tanδ)都无明显变化,说明MVQ海绵具有较好的耐热老化性能;经过60℃加载老化后MVQ海绵明显变薄,破坏应变大幅度降低,松弛率有一定程度增大,tanδ略有减小,说明加载因素对MVQ海绵的性能有较大影响。
2.
The results showed that the basic physical properties of test compound were similar to those of existent production compound;the rolling resistance and heat build-up of test compound decreased because of smaller tanδ at 40~100 ℃,and the ice and wet traction improved significantly because of greater tanδ at-15~+15 ℃.
结果表明,试验配方胶料的基本物理性能与生产配方相差不大;损耗因子(tanδ)在40~100℃内较小,胶料的滚动阻力和生热降低,tanδ在-15~+15℃内较大,胶料的抗冰滑和抗湿滑性能优异;试验轮胎在冰滑和湿滑路面上的抓着力较大,行驶时牵引力增大,制动距离明显缩短,同时滞后损失和生热降低,即轮胎的抗滑性能、滚动阻力和耐磨性能获得很好的平衡。
6) loss tangent
损耗因子
1.
Thirdly,the loss tangent and storage modulus for fiber reinforced concretes of 6 different ratios were measured in the range of.
0Hz)条件下测定了6种不同配比复合纤维增强阻尼混凝土的损耗因子与储存模量,最后对纤维的阻尼增强机理进行了初步探讨。
2.
Therefore,through the measurement for loss tangent or the viscous coefficient of material,the damping matrix of st.
我们可以通过实验测试材料的损耗因子或粘滞阻尼系数(材料阻尼),像结构质量矩阵、刚度矩阵一样通过比较确切的计算得到弹性阶段结构内阻尼的阻尼矩阵(结构阻尼),而且此阻尼矩阵既基于材料阻尼实验测试,又便于数学处理,且物理意义明确。
3.
The storage modulus and loss tangent of the different cement mortars after adding the silane - treated silica fume or as-received silica fume in the cement mortar were measured by the viscoelastic analyzer VA4000 at the temperature of -30-30℃ and frequency of 0.
1～2 Hz条件下测定了在水泥砂浆中掺加硅粉和改性硅粉后水泥砂浆的储存模量和损耗因子;用X射线和扫描电镜对掺硅粉和改性硅粉的水泥砂浆试样进行了微观分析;最后对硅烷偶联剂的改性机理进行了分析。
补充资料：正常人白细胞转移因子 , 白细胞转移因子,转移因子
药物名称：转移因子
英文名：Transfer Factor
别名： 正常人白细胞转移因子 , 白细胞转移因子,转移因子
外文名：Transfer Factor ,TF
适应症： 为细胞免疫反应增强剂，能将细胞免疫活性转移给受体，以提高受体的免疫功能。
临床上用于治疗某些抗生素难以控制的病毒性或酶菌性细胞内感染（如带状皰疹、流行性乙型脑炎、白色念珠菌感染等）。对恶性肿瘤可作为辅助治疗剂，对自体免疫性疾病也有一定治疗作用。
用量用法：
一般采用皮下注射，注于上臂内侧或大腿内侧腹股沟下端，１次注射１支，每周１～２次，１个月后改为每２周１次。对带状疱疹，一般只需注射１次。
规格： 注射液：每支２ｍｌ，相当于１×１０００００００００白细胞提取物（上海产）,北京产则相当于５～１０×1000000000.
注：严禁静脉给药.
类别：免疫调节剂
英文名：Transfer Factor
别名： 正常人白细胞转移因子 , 白细胞转移因子,转移因子
外文名：Transfer Factor ,TF
适应症： 为细胞免疫反应增强剂，能将细胞免疫活性转移给受体，以提高受体的免疫功能。
临床上用于治疗某些抗生素难以控制的病毒性或酶菌性细胞内感染（如带状皰疹、流行性乙型脑炎、白色念珠菌感染等）。对恶性肿瘤可作为辅助治疗剂，对自体免疫性疾病也有一定治疗作用。
用量用法：
一般采用皮下注射，注于上臂内侧或大腿内侧腹股沟下端，１次注射１支，每周１～２次，１个月后改为每２周１次。对带状疱疹，一般只需注射１次。
规格： 注射液：每支２ｍｌ，相当于１×１０００００００００白细胞提取物（上海产）,北京产则相当于５～１０×1000000000.
注：严禁静脉给药.
类别：免疫调节剂
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条