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Construction of concrete pump is used to enhance the height of 30 1 300M, the thickness of more than 0.5M mass concrete, with savings of manpower, material and time is short, high efficiency, fast and convenient features, concrete pumping concrete on the mobility of higher, the need to control slump at 12-16 cm between the silo slipform request the initial setting of concrete, final setting time control at 2 hours and 20 minutes, 3 hours and 30 minutes or so, stick to prevent mold, in favor of Waterloo or.

混凝土输送泵施工，是用于提升高度30一300M，厚度0.5M以上的大体积混凝土，具有节省人力、物力、时间短、效率高、快捷方便的特点，但泵送混凝土对混凝土的流动性要求较高，坍落度需要控制在12—16厘米之间，筒仓滑模要求混凝土的初凝、终凝时间控制在2小时20分、3小时30分左右，可防止粘模，利于滑升。

Five suitable load models for the Taipower system are adopted here in order to discuss the effect of the load characteristics on the setting of the overcurrent relay at the time of the incident, as a basis for setting the system coordination:(1) Static ZIP model;(2) Dynamic Motor model;(3) Composite load model;(4) PTI IEEE model;(5) Exponential model.

采用五种适於台电系统之负载模型：(1)静态ZIP模型、(2)动态Motor模型、(3)复合模型、(4)PTI IEEE模型、(5)指数模型，探讨当发生事故时负载特性对过电流电驿设定之影响，以作为系统保护协调设定之依据。

The paper investigates both block-type pilot linear minimum mean square error algorithm and IEEE802.16 OFDM channel estimation analysis. Simulation results confirm the block-type pilot structure is more suitable for IEEE802.16 system. An optimal pilot setting algorithm, based on space frequency domain, is explored and the pilot chart is presented. The proposed algorithm finds its application in MIMO-OFDM. Simulation results show the algorithm presents a good approximation to the perfect channel state information curve, with about 2dB difference in SNR. The simulation results also demonstrate the algorithm achieves fairly high stability in the environment of fast fading, performance of the proposed algorithm is better that of pilot training channel estimation.3. Taking into account the characteristics of IEEE802.16 OFDM system, OFDM system simulation platform is constructed in Matlab, exploiting simulink as a tool. OFDM modulation and demodulation simulation system are configured on LabVIEW platform. All the system signal processing is simulated, including defining system parameters, designing modulation model, and verifying all the proposed algorithms under different environments, such as white Gaussian noise, multi-path fading, with or without guard interval etc. Bit error performance is evaluated. The research provides valid theoretical basis for practical OFDM system performance evaluation.4. Taking advantage of software radio, the paper designs a hardware platform with both 256-IFFT/FFT and 512-IFFT/FFT OFDM schemes co-existing in one platform. You can predetermine one from the two schemes to carry out almost the same model function with different system performance and parameter setting.5. Referring to IEEE802.16 standard, the paper proposes a design method for generating signals and frames suitable for laboratory investigations implemented in laboratory environment.6. Based on 6701evm digital evaluation card, combined with analogy front-end, the paper designs a DSP software model to deal with baseband signal processing. An overall OFDM scheme, with modulation and demodulation function, is accomplished.

讨论分析了MIMO-OFDM中一种基于空频域的最优导频设置算法，给出了导频图案，通过仿真实验表明，该算法与理想的信道状态信息曲线非常接近，信噪比差距约在2dB左右，并且在快衰落条件下具有较好的稳定性，其性能要优于基于前导训练的信道估计方法。3、根据IEEE802.16OFDM系统特点，论文分别在Matlab中应用Simulink工具构建OFDM系统仿真平台、在LabVIEW平台上实现了OFDM调制解调仿真系统，模拟了整个系统的信号流程，进行了OFDM仿真系统参数的选择和调制模块的仿真设计、论证各算法性能，并根据各种不同的条件：例如高斯噪声、多径衰落、有无保护间隔等，对系统的误码特性进行了评估，为正确评价实际OFDM系统的性能提供了有效的理论依据。4、论文以软件无线电思想作为指导，提出了以256点IFFT／FFT为核心和以512点IFFT／FFT为核心的两种OFDM算法模式并存于同一个硬件平台、且可预选的方案，它们在参数选取和性能指标上有所差异，均实现了相似的模块和功能。5、论文参考IEEE 802.16无线网络标准的参数设置，针对本设计系统的应用环境和系统硬件的性能速率，提出了一种应用于实验室环境的信号结构、帧格式等参数设计。6、论文基于TI公司的6701evm数字评估板卡，结合模拟前端搭建数字中频平台，设计了基带处理的DSP软件模块并进行系统调试，基本实现了一套完整的OFDM调制解调方案。

But only few studies about the material setting method in the all literature, there is only basical prescripts in the criterion, it have no reasonable setting warranty.

但国内外文献中少有具体的设置方法的研究，在《规范》中的设置间距也只是一些原则性的规定，没有科学合理的设置依据。

Page28of74 1026 中英版 2002 a Five times the pressure corresponding to the maximum setting of a pressure-reducing valve provided as part of the assembly, but no more than five times the marked maximum supply pressure from an external source and no more than five times the pressure setting of a pressure-relief device provided as part of the assembly.

作为装配件的减压阀的最高压力的5倍，不超过外部供应源最高压力的5倍，并且也不超过作为装配件的御压阀的压力的5倍。

If you have an option to set the Checksum Offload setting, may vary in specific naming, disable this setting.

如果你有一个选项可以设置校验和卸载的设置，可能会有所不同，在特定的命名，禁用此设置。

Setting sun shines, In the vast desert where, in the monastery is surrounded by the desolation, I see a ray of Grass, in the quiet fragrance, I yearned, Zoulehenjiu can it remains the same, so far away from me, so far away and ruthlessly and coldly, hiding the setting sun, the end of the heaven and earth to me nod, although it is clearly aware that I take do not go, Forever I have is just lonely, and their own, but also There have been stretched, and figure, oh, I should not be forgotten, and thankful seemingly happy, footprints.

残阳斜照，在无边的荒芜里，在极目的苍凉中，我看到一缕芳草，在静静地飘香，我向往着，走了很久，可它依旧，离我那么远，那么远，无情地而冷漠地，躲在斜阳之外，在天与地的尽头，向我颔首，虽然，它明明知道，我带不去，地久天长，我有的，只是落寞的，自己，还有，被拉长的，身影，哦，我不该遗忘，那串看似快乐的，脚印。

From the viewpoint of energy efficiency of cooling towers and underground thermal balance, recommends the operating mode by setting the average water temperature of buried exchangers or by setting the difference between the water temperature of buried exchangers and the wet-bulb temperature of environment.

从冷却塔运行节能及地下冷热平衡的角度考虑，建议采用设定地埋管换热器流体平均温度或设定地理管换热器流体温度与环境湿球温度的差值的控制策略。

A method for realizing special-line user mechanism at reverse direction in communication system includes confirming end object packet length of reverse special-line user, confirming TxT2Pmin and TxT2Pmax value-taken scope of emission service channel energy to pilot frequency channel power grain TxT2P, setting allowable packet length of data packet being send currently to be not less than confirmed packet length and setting reverse packet as per allowable packet length then transmitting set reverse packet according to set TxT2Pmin and TxT2Pmax.

本发明公开了一种通讯系统中在反向实现专线用户机制的方法，该方法包括：A、确定反向专线用户的终止目标包长；B、确定发射的业务信道能量相对导频信道的功率增益TxT2P的最小值(TxT2Pmin)和最大值(TxT2Pmax)的取值范围；将TxT2Pmin和TxT2Pmax设置在所述取值范围内；C、将当前所发送数据包的允许包长设置为大于等于步骤A所确定的包长，按照所述允许包长组反向包；D、按照所设置的TxT2Pmin、TxT2Pmax发送所组的反向包。

Jujube fruit setting period of top-dressing after the first setting, the fruits of rapid growth, so adequate fertilizer have a direct impact on whether or not the fruits of the size or level of production.

坐果期追肥枣第一次坐果后，果实迅速生长，因此肥料充足与否都直接影响果实的大小或产量的高低。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。