老化

The relationship between pentosans physicochemical properties and their influence to dough and breadmaking properties was analyzed.

水溶性较好的戊聚糖组分可以较好地延缓面包的老化，而水溶性较差的戊聚糖组分延缓面包老化的效果较差。

Use easy to aging hotmelts one is in the process of teehnology using zhonghui, chromotropic, obvious to process any inconvenience from running properly; the other is in the use of binding books, due to the rubber aging is faster, you receive a quality problem, which affects the life of books.

使用容易老化的热熔胶一是在工艺使用中会明显结焦、变色，给工艺的正常运行带来不便；二是在胶订书籍的使用中，由于胶老化速度较快，会出现质量问题，影响书籍的使用寿命。

Seeds of Fargesia denudate were treated to accelerated aging and the following indices were measured: seed vigor, T-AOC, activities of anti-oxidative enzymes, contents of MDA, and conductivity, and these indices were also measured on the seeds that differ in size.

为了解缺苞箭竹种子的老化机理和不同大小种子间的差异，对其进行了人工老化处理和大、中、小三组种子的区分，并分别对种子活力，总抗氧化能力，酶活性，丙二醛含量和电导率进行测定。

The cooperation of 8-MOP/UVA could induced dermis of the non- lesion back skin of vulgar psoriatic patients and the cultured dermic fibroblasts showed up photoaging-characteristic changes of histology and biology rapidly, it is feasible to establish human skin photoaging models by selected the human skin of sun-protected sites treatment with PUVA and cultured dermic fibroblasts treatment with 8-MOP/UVA as studied objects.

1.8-MOP/UVA可诱导寻常型银屑病患者背部非皮损区真皮及培养人类真皮成纤维细胞迅速出现具有光老化特征性的组织学及生物学特性改变，以PUVA治疗的非暴露部位皮肤及8-MOP/UVA作用的培养真皮成纤维细胞作为研究对象建立人类皮肤光老化模型是可行的。

The results indicate that the morphology of the explosive before and after aging changes exiguously, while the samples contacted with polymer change obviously.

结果显示，老化后表面形貌有细微的变化，与高分子材料接触老化的样品特别明显，可见炸药颗粒长大、粘结剂－炸药界面模糊或消失等现象。

Pentaphyllum s influence on the activity of Glutathione peroxidase and Catalase in the skin of hireless photoageing mice as well as the content of hydrogen peroxide in their skin, and to investigate G.

目的：研究外用绞股蓝对紫外线照射引起的无毛小鼠皮肤光老化模型皮肤组织谷胱甘肽过氧化物酶、过氧化氢酶的活性、过氧化氢(H_2O_2)含量，以及无毛小鼠真皮结构变化的影响，判断外用绞股蓝对皮肤光老化的作用。

Pentaphyllum s influence on the activity of Glutathione peroxidase and Catalase in the skin of hireless photoageing mice as well as the content of hydrogen peroxide (H_2O_2) in their skin, and to investigate G.

目的：研究绞股蓝提取液对紫外线照射引起的无毛小鼠皮肤光老化模型皮肤组织谷胱甘肽过氧化物酶、过氧化氢酶的活性、过氧化氢(H_2O_2)含量，以及无毛小鼠真皮结构变化的影响，判断内服绞股蓝提取液对皮肤光老化的作用。

Compared the tensile characteristic values, it was found that exposed to thermal and hygrothermal conditions, strain and stress were the main factors influencing the change of bresking works respectively.

同时比较拉伸特征值可得出，在热老化作用下，断裂应变对材料断裂比功的变化起主导作用；在热湿老化作用下，断裂应力是影响材料断裂比功的主要因素。

In this paper, the standard accelerated hygrothermal aging spectrum for military aircraft composite structures is given based on the domestic climatic environment and the developing aircraft properties, and the aging effects for our composite material system are systematically studied, and the conclusion for guiding and modifying the structure design are given.

本文根据我国气候环境和在研型号性能，编制了适用于军机复合材料结构的标准加速湿热老化谱，并系统研究了国产材料体系的老化效应，得出了指导和修改结构设计的有益结论。

Long time hygrothermal ageing may have significant effects on the structure of the blend when the cure extent is not sufficiently high.

表观转化率提高，则吸湿性降低；固化程度越大，湿热老化对化学结构影响越小，但当固化转化率不高时(例如小于 90 %)，湿热老化可能对共混物结构产生显著影响

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。