The process of concrete damage was simplified by damage parabola model,and uniform damage math model was established,which can precisely predict concrete service life.
在对不同强度和同条件养护和掺合料混凝土冻融循环损伤失效过程分析的基础上,提出了损伤加速度概念和损伤抛物线模型,对混凝土进行了寿命预测。
Its electrical properties have been well characterized, but there is little report about the laser-induced damage properties of SCS.
本文主要对单晶硅的抗激光损伤特性进行研究 ,研究了单晶硅材料在 10 6 4nmNd :YAG激光自由脉冲输出模式和单脉冲输出模式作用下的损伤特性 ,通过对两种激光作用下单晶硅损伤形貌的分析 ,在热效应与热力耦合模型的基础上 ,对单晶硅的激光损伤机制进行了探索。
Defects in thin film are one of the most important factors influencing laser-induced damage in the thin film components, and always a major concern.
薄膜缺陷是影响薄膜元件抗激光损伤的重要因素之一,长期以来一直是人们关注和研究的问题。
When the elements are used under high power condition, the laser-induced damage threshold will is reduced.
在强激光系统中光学元件表面的微结构会引起局域场强增强,进而会影响元件抗激光损伤能力。
Influence of preparation process on laser induced damage threshold of HfO_2 films;
制备工艺对HfO_2薄膜抗激光损伤能力的影响
Laser induced damage threshold(LIDT) was measured and the damage morphologies were plotted by optical profiler.
采用电子束蒸发技术制备了1 064 nm减反膜,利用超声清洗及激光预处理的方法分别对样品进行处理,并对处理前后的样品分别进行激光损伤阈值测试及破斑深度测量。
The real-time results from laser induced damage to samples using photothermal deflection technique support this model.
文中对样品激光损伤的光热偏转实时观察结果支持了这一模
Recognition of film laser damage based on wavelet transform;
基于小波变换的薄膜激光损伤识别
Laser damage threshold measurement of the optical elements;
光学元件的激光损伤阈值测量
ZrO_2 is an important material used in high laser damage coatings.
ZrO2是用于高抗激光损伤薄膜的重要材料,其结构及性能与沉积条件有很大关系。
The photodamage threshold of Mg∶Er∶LiNbO_(3) waveguide substrate was tested by m-line method.
采用m线法研究Mg∶Er∶LiNbO3晶体波导基片光损伤阈值。
The values of photodamage resistance ability of In-doped series LiNbO3 crystals were obtained by the facula distortion method.
利用光斑畸变法得到掺In系列LiNbO3晶体的抗光损伤能力,发现在In3+掺入量高于阈值3%时的抗光损伤能力增强,比掺入量低于阈值的晶体高1～3个数量级。
The threshold concentration of～3mol% of In for In:Er:LiNbO_3 was confirmed through the measurements of the absorption spectra and the photodamage resistance ability of In(3mol%):Er:LiNbO_3 is over three orders of magnitude higher than that of Er:LiNbO_3.
通过测试晶体的吸收光谱和抗光损伤能力 ,确定In :Er :LiNbO3 晶体中In的掺杂阈值浓度为～ 3mol% ,In(3mol% ) :Er:LiNbO3 晶体的抗光损伤能力比Er:LiNbO3 提高 3个数量级以上。
THE ESTABISHMENT OF PARABOLA DAMAGE MODEL AND CONCRETE SERVICE LIFE PREDICTIOIN
混凝土损伤抛物线模型的建立与寿命预测
Consideration of Wave Energy Loss in the Prabolic Equation Wave Model
抛物型缓坡方程波浪数学模型波能损耗的考虑
Study on Parabolic Curve Section Made by Rollforming Process;
抛物线型面Rollforming成型研究
Study of Biomechanics and Injury Model of Maxillofacial Impact Trauma;
颌面部撞击损伤生物力学及其损伤模型的研究
Blow-up Rate and Profile for a Class of Quasilinear Parabolic System
一类拟线性抛物型方程组的爆破率和爆破模式
Intervention Study of EGCG on UV Photodamage and Model Medicine in Different Pharmaceutical Preparations on Permeability in Human Skin;
EGCG对慢性紫外线辐射光损伤的干预作用和不同剂型模型药物透皮分布的实验研究
Theory of Non-linear Dynamic Damage Mechanics and Numerical Modeling;
非线性动力损伤力学理论及其数值分析模型
3D nonlinear progressive damage analysis model for composite laminates
三维复合材料层合板渐进损伤非线性分析模型
Experimental Study on the Animal Model of Cervical Spinal Cord Injury without Fracture and Dislocation;
无骨折脱位型颈脊髓损伤动物模型的实验研究
Study on Oxidative Damage on Caenorhabditis Elegans by MnTE-2-PyP~(5+), SOD Mimic;
SOD模拟物MnTE-2-PyP~（5+）对线虫氧化损伤的研究
Guinea Pig Model of Ischemia/repererfusion Induced by Thrombus/thrombolysis Method and the Effects of Atrial Natriuretic Peptide(ANP) on Ischemia/repererfusion Cochlea in Guinea Pigs;
耳蜗缺血/再灌注损伤动物模型的建立及心钠素对该损伤的影响
The Linearization Difference Method for Solving Nonlinear Parabolic Differential Equations
非线性抛物型方程的线性化差分方法
Mixed Finite Volume Element Method for 4-Order Semi-Linear Parabolic Equations and Its Numerical Simulation
四阶半线性抛物型方程（组）的混合体积元方法及其数值模拟
Using real Coding Based Accelerating Genetic Algorithm to Optimize the Parabola Settlement Prediction Model
利用实码加速遗传算法优化抛物线沉降预测模型
And on the base of the way of lumped loss,we got the sensitivity formulas of parabolic lossy NTL.
最后在该方法的基础上，又推得了有损抛物线型非均匀线的时、频域灵敏度公式。
Establishment and Assessment of the Fluid-Percussion Semi-Spinal Cord Injury in the Rat;
脊髓半侧液压损伤大鼠动物模型的建立及评估
The Animal Model and the Pathogenesis of Lung Damage on SRAS-CoV Infection;
SARS-CoV致肺损伤动物模型及其病理机制研究
Establishment of Injury Effect Model of Aerosol Release of Biological Warfare Agents;
生物战剂气溶胶施放损伤效应模型的建立