Objective To explore the correlation of chromosome aberration and the hemogram variation in X-ray workers and provide the mechanism index for radiation damage.
目的探讨X射线工作人员染色体畸变与血象变化的关系，为辐射损伤机制提供线索。
The results indicate that the variation of ultrasonic velocity can reflect the damage degree of rock well, and the damage properties of rock can provide basis for the design of rock blast.
结果表明，岩石超声波速的变化可以很好地反映岩石的损伤程度，得出的岩石的损伤特性可以为岩石的爆破设计提供依据。
It is shown that the new model can preferably depict the deformation, pore pressure variation and modulus damage of the saturated soft clay subjected to the cyclic loading.
结果表明，提出的模型能较好地描述饱和软黏土在循环荷载作用下的变形、孔压变化及模量损伤过程。
On the strength equivalent hypothesis, the theory relation between stress-damage coupling effect and variation of crustal gravity field.
利用应变等效性假设，推导了地壳体的应力-损伤耦合效应与地表重力变化之间的理论关系。
A method for damage positioning is developed on the basis of testing the variation ratio of squared frequency.
介绍了基于频率变化平方比的损伤定位方法。
The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testability and high measure precision.
由于结构频率测试容易测试并且有较高的测量精度，因此成为损伤识别中广泛应用的模态参数。
Relation between the dent depth and the impact energy indicates that the variation of pit depth is consistent with the energy, and detailed analysis of damage distribution and size was conducted.
冲击凹坑深度与冲击能量的关系表明，凹坑深度的变化是与冲击能量的变化过程相适应的，在此基础上对损伤的分布形式及大小做了详细的分析。
This method could be widely used in giant surface wound, blood vessels damage of accepting region, variation of epigastirc inferior vessels, microsurgery skill and apparatus defect.
此法适合于创面巨大、受区血管受损、胸脐皮瓣血管变异、缺乏显微外科技术时应用。
Water migration and variation in subgrade soils is the most active and live factor to the road frost damage in seasonally frozen ground regions.
在季节冻土区，路基水分迁移变化是道路冻害最积极活跃的因素。
Crack growth was analyzed by using element eliminating method based on the variation of damage variable. Material flow, strain, stress and damage distribution of different steps was achieved.
根据损伤变量的变化，采用单元消除法分析了剪切裂纹的扩展，并得到了剪切各个段的金属流动、应力应变以及损伤变量分布。
On this basis, a mathematical model describing the variation of material damage is established.
在此基础上，提出了一个描述材料累积损伤的模型。
Damage in concrete medium leads to a variation of elasticity and viscosity. Damage theory with double parameters is presented to describe the damage.
混凝土的损伤会引起弹性和粘性性质的改变，利用弹性和粘性的双参数来描述损伤，建立双参数损伤理论。
The variation rule of the damage variable and the coupled variable, damage energy dissipation rate, can be described on macro aspect by the damage evolution equation.
采用损伤演化方程可以从宏观上描述损伤变量以及与其相伴的广义热力学力——损伤能量释放率的变化规律。
By experience orthogonal function analysis and wavelet analysis on chilling damage indices, it showed spatial-temporal variation in the regulation and multiple-time-scale characteristics.
在此基础上对低温冷害指数进行经验正交分解和小波分析，得到其时空变化规律及多时间尺度特征。
Analysis is conducted for the variation of cutting force during the cutting process and the effect of negative shearing on the cutter damage is pointed out.
分析了切削过程中切削力的变化情况，并指出负剪切现象对刀具破损的影响。
An explicit expression was derived for the variation of crack size with stress. A micro-mechanical damage constitutive equation was then given.
给出了微裂纹特征尺寸随应力变化的显式表达式，并由此得到了含微裂纹的准脆性材料损伤本构关系。
The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testing and high measure precision.
由于结构频率容易测试并且有较高的测量精度，因此成为损伤识别中广泛应用的模态参数。
There exists a large variation of velocity with temperature and frequency, which can be applied as the omens of earthquake or fatigue damage.
波速比随温度升高波动大，无规律可循，随频率升高明显下降。这些可作为地震或其他疲劳损伤的前兆。
The relation between stress-strain and density variation of rock crack has been obtained through the meso-damage theory and damage statistics model.
把细观损伤理论和宏观统计损伤模型结合，建立应力–应变与微裂纹密度变化的关系；
A coupled model for anisotropic damage and permeability variation by using a micromechanical approach is presented.
采用细观力学方法提出一个岩石各向异性损伤和渗流耦合的细观模型。
With the optimization of explosives 'performance and variation of damage elements, the thermal damage of explosives fireball becomes a research emphasis in the world.
随着炸药性能的不断优化和毁伤方式多元化要求的提出，炸药爆炸火球的热毁伤研究逐渐成为国内外的一个研究热点。
With the optimization of explosives 'performance and variation of damage elements, the thermal damage of explosives fireball becomes a research emphasis in the world.
随着炸药性能的不断优化和毁伤方式多元化要求的提出，炸药爆炸火球的热毁伤研究逐渐成为国内外的一个研究热点。
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