relaxation time

Numerical calculation of the electron-phonon coupling relaxation time in pulse laser ablation

脉冲激光烧蚀中电声弛豫时间的确定

The microstructure evolvement of bainite under different relaxation time after deformation in austenite for microalloyed steel was studied by applying thermo-simulation test, metallographic analysis, semi-quantitative measurement and PTA technique.

利用热模拟、金相分析结合半定量测量统计及径迹显微照相技术（PTA），研究了微合金钢奥氏体区变形后弛豫不同时间的贝氏体组织演化情况。

Measurement of Thermal Relaxation Time of High Power Semiconductor Lasers

大功率半导体激光器热弛豫时间的测量

Stress relaxation is an significant time-dependent property of materials.

应力松弛是材料的一个与时间相关的重要力学性能，是涉及材料和结构的使用寿命的关键问题。

It is found that temperature wave frequency at a given location in the slab is relevant to slab's thickness and its thermal relaxation time while the amplitude of temperature wave bears a relation with heat source's distribution area and pulse duration.

研究结果表明，温度波动频率取决于平板厚度和材料的热弛豫时间，而其幅值则与内热源释放区域的大小和脉冲宽度的长短有关。

Adjusting the pulse width of the laser to the thermal relaxation time of the absorbing construction can avoid thermal side effects and facilitate a selective treatment of the selective cells.

把激光脉宽调整到与吸收颗粒的热弛豫时间一致可以避免热副作用，可对所选细胞产生选择性处理。

Non-radioactive noble gases with a nuclear spin (~ 3He,~ ( 129) Xe) can be hyperpolarized by optical pumping to produce noble gases with large nonequilibrium nuclear polarization and long relaxation time.

某些无放射性的具有自旋特性的惰性气体同位素（如~3He和~（129）Xe），可通过激光抽运超极化，得到很高的非热平衡极化度和长驰豫时间的惰性气体。

Further, we explicitly discuss the temperature and density dependences of the hole spin relaxation time.

进一步，我们仔细讨论了不同温度、浓度下的空穴自旋弛豫时间。

This paper describes what's the spin-lattice relaxation time ( T_1) and spin-spin relaxation time ( T_2); the T_1-weighted MR-Images use for inversion recovery creation; The T_2-weighted MR-Images use for spin-echo creation.

本文将叙述什么是自旋-晶格弛豫时间（T1）和自旋-自旋弛豫时间（T2）：用反转恢复和自旋回波法产生T1、T2加权图象。

The effects of moving heat source speed, temperature-dependent modulus of elasticity and thermal relaxation time on displacement and temperature are studied.

计算得到了杆内温度及位移的分布规律，分析了移动热源速度、弹性模量以及热松弛时间对温度和位移的影响。

They in the work relaxation time, light a cigarette to anaesthetize itself, even if5 minutes also good.

她们在工作休息时间，就点上一支香烟麻醉自己，哪怕5分钟也好。

The approach like those of routine measurements of relaxation time is simple and accurate.

不用作两维谱，测量过程类似于常规弛豫时间测量，实验简便、准确。

Classification of fluid type by using longitudinal relaxation time T1

利用纵向驰豫时间T1划分流体类型

According to the effects of thermal relaxation time and thermal relaxation length, the heat conduction was analyzed.

最后，依据热松弛时间和热松弛长度对热传导过程的影响，对快速瞬态高强度加热情况下的热传导问题进行了分析和讨论。

This practical guidebook teaches you about relaxation, coping skills, and time management.

这本实用的旅行指南教给你放松的方法、处理问题的技巧以及如何安排时间。

In diastolic period, the isovolumic relaxation time also got longer.

舒张期等容舒张期时间也延长。

A pulse semiconductor laser was measured, and the thermal relaxation time was obtained to be 1.2 ms.

利用此方法对一种半导体激光器进行了测试，得到其热弛豫时间为1.2ms。

The polymerization conversion and segment motion of α-methacrylic acid were studied using 1H NMR spectra, spin-lattice relaxation time and spin-spin relaxation time.

用1H NMR谱和质子自旋弛豫时间研究了γ射线辐射引发的α-甲基丙烯酸的聚合反应、其聚合转化率和聚合物链运动与吸收剂量和剂量率的关系。

It enabled students to devote more time to their studies, or to be more accurate, more time to relaxation.

它可以让学生们有更多的时间来学习，或者更准确一点说，有更多的时间来放松自己。

Correlation of Brain Water Content with MRI Relaxation Time T_1 and Apparent Diffusion Coefficient Studied at 7.0 T in Two Models of Focal Cerebral Ischemia and Traumatic Brain Injury in the Rat

缺血与创伤性脑损伤T1、ADC动态变化及其与脑组织含水量相关性研究

The activation energy of thermal relaxation of dipoles for main-chain segmental motion in amorphous region was decreased linearly and the time constant of dipolar thermal relaxation was increased exponentially with increasing of crystallinity.

被冻结的分子主链段偶极热松弛活化能随结晶度增大线性减小，热松弛时间常数则随结晶度的提高而呈指数增大。

Starting from the contact resistance model, a functional relation between the thermal relaxation time and the interface thermal resistance as well as the thermal transport coefficients of materials is obtained.

从热阻模型出发，给出了弛豫时间常数与界面热阻以及材料热输运系数之间的函数关系。

Simple method for monitoring spin echo and determination of relaxation time in pulse NMR

自旋回波的简易观测方法及共振弛豫分析

Everyone needs some free time for rest and relaxation

每个人都需要一些休息和放松的自由时间。

General one-leg methods and linear multistep methods are applied to the continuous-time waveform relaxation iteration schemes for a class of nonlinear differential-algebraic equations and the discrete-time waveform relaxation schemes are obtained.

针对一类非线性微分代数方程连续时间波形松弛迭代格式，应用一般的单支方法和线性多步法，得到离散时间波形松弛迭代格式。

The thermal relaxation time was calculated by the measured relation of peak moment of optical signal within the pulse varied with wavelength.

根据对应的峰值光功率出现时刻随波长变化的曲线，计算得到热弛豫时间参量值。

Measurement of relaxation time comparable with pulse width in Kerr liquid

用克尔快门测量与脉冲宽度相比拟的克尔液体的弛豫时间

Two skillful doctors measured left ventricular isovolumic relaxation time with anatomical M mode echocardiography and pulsed Doppler ( IVRTm and IVRTd) respectively in double blind condition.

由两位有经验的超声医师在双盲状态下分别采用脉冲多普勒和解剖M型超声心动图测定两组受试对象的左心室等容舒张时间（IVRTd和IVRTm）。

The temperature dependence of probe was also studied and the rotation relaxation time of probe was calculated.

并研究了温度对探针荧光偏振的影响，计算了探针的旋转松驰时间。

The thermal relaxation time of small drops and particles in air is quite short.

空气中小水滴和粒子的热张弛时间是非常短的。