机理

The researches show that the substrate plays an important role in the development of keratoconus. Cornea substrate's agenesis leads to the reduced solidity, which is possibly related to kearatoconus. There is still a lot to be researched on etilogy and early diagnosis of keratoconus.

虽有研究表明角膜间质的水平在圆锥角膜的发病中起重要作用，角膜间质发育不全，导致角膜的稳固性下降，可能与圆锥角膜形成有关，但对圆锥角膜形成的机理仍不详尽，因此，对圆锥角膜的发病机制及早期诊断的研究具有重要意义。

The reason is attributed to the effect of agglomerate. In addition, Th...

同时 ，还对该类复合材料的抗热震机理、热震性能表征作了深入分析。

In this paper,the mechanism of aggregation during the drying of nanoparticles is reviewed.

简述了纳米粒子干燥时的团聚机理，介绍了8种纳米粒子的干燥方法与技术，并比较各种方法的特点以及存在的一些问题。

Comparative index system are builded based on former production and a mass of research, through analysis to the aging principle from two aspects of equipments and buildings in this dissertation.

本文在总结前人成果和大量调研的基础上，从机电设备和建筑物两大方面对泵站工程老化机理进行分析，建立较为客观的指标体系。

In order to reduce the natural aging time of 2024 aluminum alloy, a new artificial aging technique of 2024 which aging time is shorter than that of the natural aging technique, based on the hardness and conductivity test and aging principle analysis, was proposed in this paper.

高立柱 ，刘艳红，田秀云为缩短2024铝合金的自然时效时间，本文通过对2024铝合金导电率和硬度实验研究以及对它的时效机理的分析，初步确定了2024铝合金的一种新的时效时间较短的人工时效制度。

The effect of acid, base and salt on the thermal stability of chlorinated natural rubber made from latex was analyzed by using chemical analysis, thermal aging experiments with UV spectroscopy analysis and thermal analysis.

采用热老化实验结合紫外光谱分析和热分析，分析了酸、碱及盐对胶乳法氯化天然橡胶热稳定性的影响，并讨论了酸、碱及盐对CNR热降解的影响机理。

And the mechanism of aging was also discussed.

对老化机理进行了初步的探讨。

The factors such as the quantity of coal fly ash, types of acid, concentration of acid and agitating time were discussed.

通过正交实验找出最佳参数，探索了酸化处理的粉煤灰处理印染废水的机理和效果。

To improve the purple soil storage capacity, to prevent soil erosion in hunan province, the choice of HengYangXian 20o purple soil slope, setting Guan waste land, grassland, natural forest and grassland and agrimony slight composite 4 processing, the water treatment performance and its mechanism, and the results show that, compared to the purple soil LuoDe HuangShanPo ground implement agrimony and three-dimensional planting trees for 1-2 years later, reduce soil bulk density 0.10 g/cm3 0.09 ~, soil porosity, permeability of soil moisture 14.01% increase rate increase 2.20 ~ 2.29 times.

为提高紫色土蓄水能力，防止水土流失，在湖南省衡阳县选择20o 左右的紫色土荒山坡地，设置祼地、自然草地、龙须草地和龙须草与林地复合4 个处理，比较分析各处理贮水性能及其改良机理。结果表明，与裸地相比，在紫色土荒山坡地上实行龙须草与林木立体种植1～2 年后，土壤容重降低0.09～0.10g/cm3，土壤总孔隙度增加14.01%，土壤水分渗透速率提高2.20～2.29 倍。

In the explore in water seepage mechanism of highway engineering, at the foundation of author's and other people's research, the author study the groundwater seepage and infiltration of rain and water with the groundwater dynamics, the rock mechanics ,the soil mechanics, the hydrologic geology, the engineering geology, the agrology. With the research result of the water seepage mechanism of highway, the author also study the principle design of waterproof, drainage and water environmental protection. The author's work is as follows:(1) The water circulation, the groundwater type and conversion, the equilibrium and circulation in soil water are introduced and studied; The seepage characteristics of rock and soil in response to stress are analyzed and studied.

作为在"公路工程地质环境中水渗流机制问题研究"中的探索研究，在本人科研和前人研究工作的基础上，以地下水动力学、岩土力学、水文地质学、工程地质学、土壤学为基础，研究公路工程建设对地下水渗流和雨水入渗的影响，以及公路防排水和水环境保护设计的原则方法，具体开展了如下研究工作：(1)首先对水循环、地下水类型及转化、土壤水平衡与循环进行了研究和介绍；分析研究了应力对岩土体渗流特性产生影响的机理。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。