时效

Objective: To study the effects of pentabrominated diphenyl ethers on the structure and function of reproductive system in rats and mechanism.

目的：研究五溴联苯醚对大鼠生殖系统结构和功能的影响及其机制方法：在五溴联苯醚对雄性大鼠生殖系统作用的时效关系研究中，选取健康23日龄雄性SD大鼠40只，体重40～60g，随机分为8组，每组5只，分别为染毒5、15、30、45d的实验组和溶剂对照组。

Focusing on the doubtable results and abnormal stress-strain curves in the tensile test of high grade line pipe body,the effect on test results of sample preparation process was analyzed,and it is considered that strain aging was the main reason caused pipe body tensile test result abnormal.

针对高钢级输送管管体拉伸性能试验中发现的异常值和异常曲线，分析了试样制备过程对试验结果的影响，认为应变时效是造成管体拉伸试验结果异常的主要原因。

Technique parameters of ageing and electrochemistry treatment are also given in this paper.

文中最后还对铍青铜的时效和电化学处理工艺作了阐述。

Corrosion performance of olive green film on LY12 Al alloy, prepared electrolytically in 0.2 mol/L NaOH at room temperature, is evaluated by electrochemical techniques including dynamical potential anodic polarization curve and polarization resistance.

在弱碱性介质中阳极氧化制备LY12铝合金着色膜，用动电位扫描法极化曲线和极化电阻电化学测试技术方法研究了着色膜在中性和酸性介质中的耐蚀性能以及时效腐蚀行为。

With the increase of aging temperature, the tensile strength decreases . with the increase of elongation.

随着时效温度的升高，合金的拉伸强度降低，而延伸率则不断增加。

Zakharov empirical formula and DSC curve,as well as,mechanical property and microhardness of this alloy was tested using CMT5105A material test machine and Vickers micro-indenter.The result shows that the phase diagram of Mg-9Gd-3Y-0.6Zn-0.5Zr is feasibility for the...

结果表明：在计算所得的Mg-9Gd-3Y-0.6Zn-0.5Zr相图指导下制定的热处理工艺是正确的；挤压态Mg-9Gd-3Y-0.6Zn-0.5Zr合金的最佳热处理工艺为：200℃时效63 h，抗拉强度σb为=430 MPa，比挤压态提高了30.9%。

Which are lawfulness, compulsoriness, welfare and equitableness.

民事时效具有法定性、强行性、公益性和衡平性。

Two methods for erasing time edge effect are put forward in the experiments.

介绍了在实验中消除时效影响的两种方法。

The aging process of isothermal transformation and eutectoid transformation were studied by using DSC and high temperature microscopy.

采用差示扫描量热分析法和高温显微分析法分别研究了ZA27合金的等温时效转变过程和加热过程中的共析转变。

Intergranular corrosion and exfoliation corrosion behavior of 2195 Al-Li alloy with different aging treatment schemes were studied.

摘 要：研究了2195铝锂合金在不同时效状态下的晶间腐蚀和剥落腐蚀行为。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。