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- In this paper, the long term stability of porous media based phase-changing composites is investigated by means of fourier transformation infrared spectrum analysis (FTIR). 根据傅立叶变换红外光谱图,对用真空浸渗法制备的多孔介质基复合相变储能材料的相变循环稳定性进行了研究。
- Laws of permeation and distribution of grout water are important parts of reducing subsidence theory, it is related to safety of grouting works and long term stability of subsidence control. 离层带内浆液水的渗流与分布规律,是注浆减沉理论的重要组成部分。
- The light frequency shift,collision frequency shift and microwave power frequency shift on long term stability of influencing rubidium atom frequency standard are discussed in this paper. 对影响铷原子频标长期稳定度的光频移、碰撞频移和微波功率频移进行了分析。
- The long term stability of cut slope and determination of effective strength index of soils 人工开挖边坡的长期稳定性分析与土的强度参数确定
- Non-destructive testing - Radioscopic testing - Part 2: Check of long term stability of imaging devices 无损检测射线透视检测第2部分:成像装置长期稳定性的校验
- Based on creep test of soft sheaf, according to time effect of long term strength, Fuxin Haizhou open-pit coal mine slope is exemplified to study dynamic stability of side slope, and method for predicting the instability of this slope is discussed. 摘要以阜新海州露天矿边坡为例,在弱层流变试验的基础上,依据其长期强度的时间效应,对该处边坡进行了稳定性动态评价,探讨了该类型边坡失稳预测的方法。
- The maser promises better long term stability and improved accuracy compared to the rubidium clock on board GIOVE-A. 和GIOVE-A卫星携带的铷原子钟相比,这种原子钟具有更好的长期稳定性和精度。
- The hydrogeology is an important factor affecting the stability of slope. 水文地质是影响边坡稳定性的一个不可忽视的因素。
- Conclusions As a new drug delivery system, VPG is advantageous in controlling drug release, enhancing the activity of anti-tumor drugs and improving the long term stability. 结论 囊泡型磷脂凝胶作为一种新型给药系统,在控制药物释放、提高抗肿瘤活性、增加药物稳定性等方面显示独特的优势。
- Monitoring of Slope Stability of Qingshan Spillway and Rock Wall Stability of Access Tunnel of Zhouning Underground Power Station in Fujian Province. 福建芹山水电站溢洪道边坡及周宁水电站地下厂房交通洞岩壁稳定监测。
- The effect of long term exposure at high temperature on structure stability of a hot corrosion resistance Ni-bace alloy with high chromium content is investigated. 本工作系统地研究长期高温时效对高铬含量的Ni-基耐热腐蚀合金组织稳定性的影响。
- At the same time, reinforcing the seepage control of slope and reducing the infiltration of rain on slope could effectively improve the stability of slope. 同时有效加强坡面防渗、最大限度减少坡面雨水的入渗,能有效提高和增强边坡的安全稳定性。
- According to the engineering geological conditions of mining area,the slope stability of Miaogou Iron Mine has been analyzed by means of the intelligent system of slope stability. 根据庙沟铁矿矿区工程地质条件,采用自行编制的边坡稳定分析集成智能系统对该矿进行了边坡稳定性分析。
- The ultrabasic rockmass is an important unit in evaluation of slope stability of open pit of Jinchuan Mine since it represents a supporting body for entire slope. 超基性岩体在金川矿区露采边坡稳定性评价中占有重要地位,它是整体边坡的支撑体。
- It is not avoided that the heavy navies and transports bring side load in the canal working and how to consider it s influence on the stability of slope is a complex problem. 在沟槽施工中重型挖土机械和运输机械的荷载是不可避免的边荷载,如何合理考虑其对沟槽边坡稳定的影响是一个复杂的问题。
- We must aim for world peace in the long term. 我们要争取持久的世界和平。
- Optimizing blasting parameters,controlling the quantity of dynamite and some other synthetical measurements can reduce the shakiness of blasting and ensure the stability of slope. (4)爆破所产生的地震波将对边坡的稳定产生很大的影响:采用优化爆破参数、控制单段装药量和一些综合措施可以减少爆破震动、维护边坡稳定。
- We hope to make great profit in the long term. 我们希望长期获利。
- Both short and long term frequency stabilities of the simultaneous oscillations are better than several parts in 10 10. 它可使同时振荡的双波长之频率稳定度不论短周期或长周期都优于10 -10。
- Compactness of the slope-surface of roadbed can affect the stabilization of slope tremendously. 坡面压实度越大对边坡抗冲蚀稳定影响越有利;