| 1. | Creep damage factor 蠕变破坏因素 |
| 2. | Analysis on deformation damage factors of coal roadway supported by shotcrete and bolting wire mesh 锚网支护煤巷变形破坏因素分析及对策 |
| 3. | Sato : we simply could not afford it . every care has to be taken to minimize damage . we took steps to eliminate every damaging factor we could think of 佐藤:我们简直承担不起这种损失。我们必须采取任何可用的措施来减少损伤。我们有一系列步骤来消除每一种我们所知道的破坏因素。 |
| 4. | The conception of cumulative damage factor for sucker sods is established , and a method for determining service deadline of sucker sods in use is put forward , which provides a theoretical basis for scientifically and rationally using sucker sods 建立了抽油杆损伤因子的概念,提出了在用抽油杆服役期限的确定方法,为科学、合理地使用抽油杆提供了理论依据。 |
| 5. | It has also been demonstrated that sos response dependent accumulation of mutation during replication of dna that has not been attacked by exogenous dna damaging factors can be seen in challenged cells , termed as sos untargeted mutation 而在出现sos反应的细胞中还观察到了在复制过程中的产生的、发生在没有外源损伤dna上的突变事件,被称为sos非定标性突变。 |
| 6. | A recurrence update method based on substructures and ann is presented especially for spatial structures . a structure is divided into multilayer substructures , the updating is realized step by step and a proper damage factor is 针对空间结构的特点,提出基于子结构和神经网络的递推模型修正方法,该方法将结构分解成多层次的子结构,选取适当的损伤因素实现逐步逐级的修正。 |
| 7. | First , the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test . the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented . applying basic damage mechanical theory , thermal damage analyses were performed induced in fracture toughness and modulus , the practical formula of damage factors varying with temperature and time was given 首先利用改进的三点弯曲试验在mts实验机上进行了岩石力学性能和蠕变测试,得到了花岗岩在温度影响下的弹性模量和断裂韧度以及抗拉强度变化规律,并得到了200下北山花岗岩蠕变全过程曲线。 |
| 8. | Abstract : based on the test results of frost micro pore structure density distribution of high strength concrete at minus temperat ure ( hscmt ) , the frost damage fiber bundle model of hscmt was buitl . the purpose is to study frost damage factor of hscmt in the future , to deduce lost efficiency p robability of hscmt and prevent hscmt from frost in cold weather 文摘:根据负温高强混凝土冻结显微孔结构密度分布结果,建立了冻结损伤纤维束模型,为进一步研究负温高强混凝土的冻结损伤基因,推断负温高强混凝土的失效概率,及负温高强混凝土受冻害的防止打下基础。 |
| 9. | Damage law of granite specimen were studied , damage factors coupling of time and temperature was presented with the help of coupled damage factor of time and temperature , combining with nishihara rheological model , elastic and viscopelastic model were modified into a new rheological model considering the effects of time and temperture 运用损伤力学基础理论,通过引入断裂韧度和弹性模量热损伤分析,给出了损伤因子随温度和时间变化行为方程式;研究了花岗岩试件受温度热应力作用下损伤变化规律,给出了温度和时间损伤效应条件下损伤因子演化方程。 |
| 10. | The simulation results show that the model not only can combine multiple basic assessments of damage factors , but also can deal with both quantitative and qualitative information with uncertainties and subjectivity and calculate the belief degree of uncertainty , which is an effective tool for the grade evaluation of submarine battle damage 仿真结果表明,该模型不仅能够组合多个损伤因素的估计问题,而且能够处理由不确定性信息产生的不确定性,并给出未知信息的信任度,是潜艇战场损伤等级评估的有效工具。 |