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Effects of temperatures on thaumasite formation were investigated.X-ray diffraction,scanning electron microscope,energy dispersive spectrum and laser Raman spectrum analysis were used to identify thaumasite in paste sample stored in 10% of MgSO 4 solution at different temperatures.

研究了环境温度对碳硫硅钙石形成的影响。降浸泡于不同温度的质量分数为10%的MgSO 4 溶液中的含石灰石粉水泥石试样进行X射线衍射分析、扫描电子显微分析、能谱分析和激光Raman光谱分析。

X-ray diffraction, scanning electron microscope, energy dispersive spectrum and laser Raman spectrum analysis were used to identify thaumasite in paste sample stored in 10% of MgSO_(4) solution at different temperatures .

钙矾石型和石膏型等硫酸盐侵蚀破坏机理已得到广泛研究与认同,然而另一种硫酸盐破坏类型———碳硫硅钙石型却没有受到应有重视。

Methods On the basis of bioisosterism principles and by the method of substructure link, we modified the parent structure of 1, 3, 4-thiodiazole and synthesized a new kind of thiadiazole Schiff base. The structure of the new thiadiazole Schiff base was confirmed by infrared spectrum, nuclear magnetic resonance hydrogen spectrum (1HNMR) and elemental analysis.

利用生物等排原理和亚结构连接法,对噻二唑母体进行修饰,设计并合成了1个新的噻二唑席夫碱,目标化合物的结构经红外光谱、核磁共振氢谱和元素分析加以确证。

In order to analyze the neutron spectrum effects on radiation damage, a computer code is designed to calculate recoils, fragments , transmutational products and their energy spectrum.

分析了中子与靶原子的相互作用过程,提出了结合中子输运和核反应耦合模型,采用由蒙特卡罗方法编写的RDSNC程序计算了聚变堆第一壁候选材料SiCf,/SiC在14 MeV和1 MeV中子辐照后的反冲核、碎片、嬗变产物和它们的能谱。

It is found that the GRAPES model is able to reproduce the observed atmospheric kinetic energy spectrum, including the transition to k-5/3 dependence in the small-meso scale. Meanwhile, there exists a maximum effective time-step, when the time-step is smaller/larger than the maximum effective time-step, the simulated kinetic energy spectrum gradually decays/unphysically grows as the time-step increases.

文中使用基于半隐式半拉格朗日动力框架的全球/区域一体化模式GRAPES进行数值模拟试验,然后计算GRAPES模式的动能谱并与实际观测得到的大气动能谱比较,得到GRAPES模式能够很好地复制出实际大气动能谱的分布特征,包括从大尺度区域的E∝k-3关系向中尺度的E∝k-5/3关系的过渡特征。

The correlation between the vibronic spectrum of Eu〓 and the site substitution of other co-doped ions was first studied, and many useful data can be derived from the vibronic spectrum.

首次研究了Eu〓振动光谱与其它掺杂离子格位取代的关系,发现从振动光谱的研究可以获得许多有用的信息。

The study on the polarized spectral character is an important basis job of detectingsuspended sediments by polarization remote sensing. First, many research jobs on thissubject are introduced. Then the correlative theories of polarization and water-color remotesensing are addressed, including spectrum character, absorption and scattering coefficient ofpure water, as well as spectrum feature of suspended sediment.

在对国内外有关利用卫星遥感提取悬浮泥沙方法和多角度偏振技术作了介绍的基础上,文中先介绍了偏振光遥感的有关知识和利用传统遥感方法提取悬浮泥沙信息的理论基础包括纯水的光谱特性、吸收和散射系数,及悬浮水体的光谱特征等。

In order to improve the inspection technologies of satellite interference, 5 kinds of technologies of satellite interference and integrated judgement-spectrum analysis, helix inspection, PID, S/N and signal vector were put forward. The automatic inspection system of interference of satellite TV has been built according to these inspected technologies and technology of network. The system adopts comparison of spectrum template, calibration of beaconing, mode identification, telemetering pick-up technology and improve the inspection technology of satellite interference. The alarm limits haw been defined through a lot of emulational tests, so that the system become feasible. The system has a good effect and makes up the blank of inspection technologies of interference in our country to some extent.

为了提高卫星干扰监测水平,提出了频谱监测、螺流监测、PID监测、S/N监测和信号矢量图监测等五种监测技术和干扰综合判断方法:根据这些技术手段和方法,并利用计算机网络技术,建立了卫星电视干扰信号自动监测系统;该系统利用网络化设计,采用频谱模板比对,卫星信标电平校准、信号模式识别、卫星遥测信号提取等技术,提高了卫星干扰监测的准确度和自动化程度;通过大最的仿真测试,设定告警门限,使系统的漏警率和误警率达到实用要求;该系统应用于干扰监测工作中,起到了很好的效果;在一定程度上弥补了国内通信干扰监测的空白。

The growth relationship between spectrum parameter and fetch were studied, from which three parameters and overshot phenomenon that appears during wind wave spectra developing were tested, and an equation describing the growth of three-parameter spectra with wind wave was obtained With the equation, the spectra of wind waves were obtained at zero-dimensional fetches of 300, 500, 2000, 5500, 10000, and 15000, and the overshot was described more clearly. However, the overshot does not exist in the whole process of wind wave spectrum development as stated previously by Hasselmann, but in the early stage of the development only, extenuates with wave growth and then disappears when the wave fully grows.

基于已得到的谱参量随风区的变化关系,对三参量风浪频谱以及风浪频谱成长过程中存在的&超射&现象作深入的研究,得到三参量风浪频谱随风区的成长关系:在此基础上,得到无因次风区:300、500、2000、5500、10000、15000下,风浪频谱的谱线,从而直观地描述了风浪频谱成长过程中的&超射&现象,并认为在风浪频谱的成长过程中确实存在着&超射&现象,但是该现象并不如Hasselmann等提出的理论中阐述的那样存在于风浪频谱成长的全过程,而是仅存在于风浪频谱成长的初期。

And then, the dissertation expatiates on network design project and equipment select of wireless spread spectrum network used to transmit pressure data after lucubrating on technology of wireless LAN and spread spectrum communications. As the same time, the dissertation analyzes the correlative capability of network.

然后通过对无线局域网技术和扩频通信技术的深入研究,详细阐述用于传输压力数据的无线扩频网络的组网方案和设备选型,同时对相关的性能进行了分析和论证。

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推荐网络例句

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上,利用各种方法求得各种逻辑型、结构型控制器,解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面,有讨论,工程理事会和联盟关于延长工作时间短至9月底。

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