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In this paper, genetic algorithms are employed to recognize the dynamic parameters of crystalline process in supersaturated solutions of Li 2O+ B 2O 3 H 2O system. The recognized parameters are crystalline reaction rate, thermodynamic equilibrium concentration and apparent reaction order.

文章中将遗传算法应用于过饱和溶液Li2O·3B2O3&H2O体系结晶过程动力学参数辨识,确定了结晶反应速率常数、热力学平衡浓度和表观反应级数。

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The practical measurement results show that the effective air amount rate of the whole system can reach 75% and the average operation efficiency of the main fans 70%, thus thoroughly improving the underground ventilation conditions and achieving remarkable energy-saving effect.

实际测定结果表明,全系统的有效风量率达到75%,主要风机平均运行效率70%,彻底改善了井下通风条件,并取得明显的节能效果。

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Inspirational psychology is the product of the agreement between inner subconsciousness and outer practice. Its formation, starting from constructing mental information net system, needs to create relevant psychological environment, increase the happening rate, and break through and overstep the normal mode of thinking psychology.

灵感心理是内在潜意识和外在实践相吻合的产物,它的生成要从构建大脑信息网络系统开始,创设其生成的心理环境,提高灵感心理的发生率,并要突破和超越常规思维心理的范式。

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Photopolymerization of MMA was studied Kinetically using thioxanthone ( TX)/ triethylamine ( TEA)/ oxygen system as initiator. The various factors influencing the polymerization rate were studied.

本文研究了硫杂蒽酮(TX)/三乙胺(TEA)/氧体系引发甲基丙烯酸甲酯(MMA)光聚合的动力学及影响聚合速度的各种因素。

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With the growing demand of data rate, LTE ( Long Term Evolution) comes after the third generation mobile communication system.

随着人们对终端数据速率要求的不断增高,继第三代移动通信系统之后国际上新一代的移动通信标准LTE(Long Term Evolution)应运而生。

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To overcome these shortages, make three-dimensional imaging laser radar has the characteristic of high frame rate, large visual field. A project use streak tube as the detector in three-dimensional laser imaging system has been put forward in recent years.

为了克服这个缺点,使激光三维成像雷达具有高帧频、大视场角的特点,近些年国际上提出了采用条纹管作为探测器实现激光三维成像的方案。

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In the system, all parts employs three-level structure based on the B/ S Model, cuts down the costs, strengthens the safety of the system, improve the response rate of the system.

系统中各模块均采用基于浏览器/服务器(B/S)模式的三层结构,降低了使用成本,增强了系统安全性,提高了系统响应速度。

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The performance of three-stage BAF system processing under different hydraulic loading rate, nitrified liquid reflux, temperature conditions was studied.

研究了进水负荷、硝化液回流、水温等工况条件下的三级BAF工艺的处理效能。

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Using the practical parameters of our femtosecond laser system, the ionization rate, threshold intensity, residual energy and electron energy distribution of Pd-like Xe system based on optical-field-induced ionization are calculated.

并结合实验室飞秒激光系统的实际参数,计算了基于光场感应电离类钯氙系统的电离速率、阈值光强、电子剩余能以及电子能量分布等电离参数。

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According to the rate equation of quasi three level system, the threshold power, slope efficiency and optimum length of the crystals of longitudinally pumped Tm ∶ YAG lasers have been calculated and discussed. The influence of temperature on the Tm ∶ YAG lasers has been studied.

用准三能级系统速率方程对纵向泵浦TmYAG激光器的阈值、效率和激活介质最佳长度进行了计算和分析,讨论了温度对TmYAG激光器输出特性的影响。

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OBJECTIVE To investigate into the effect of the method of clearing up the Ying system and removing obstruction in the vessels on blood rheology and blood platelet aggregation rate in patients with thromboangiitis obliterans.

目的探讨清营通脉法在临床治疗血栓闭塞性脉管炎疾病中对患者的血液流变学、血小板聚集率的影响。

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The control algorithm of engine throttle control system is also researched by respectively using target slip rate and target speed.

分别以目标滑转率和目标车速做为节气门控制器输入量,对节气门控制系统的控制算法进行了研究。

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The former takes the minimum fuel consumption rate point in the whole engine operating range as the target, the throttle opening keeps constant, the gear ratio of CVT is adjusted by the controller which is a single parameter control system.

单纯经济型作业模式以发动机在整个工作范围内的最低燃油消耗率点为目标工作点,油门开度不变,仅控制变速器传动比,为单变量控制系统;

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In the low-frequency elastic wave through-the-earth communication system, severe Inter-Symbol Interference ( ISI) is generated and the bit error rate ( BER) is increased after transmission because of the multipath transmission caused by the characteristics of the layered earth.

在低频弹性波透地通信系统中,由于分层大地信道的多径传输特性,弹性波信号经过信道传输以后,产生了严重的码间干扰,增加了通信的误码率。

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Causes and Control of Foreign Exchange Transaction Fluctuation under the System of Floating Exchange Rate

浮动汇率制度下外汇交易波动的原因与限制

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The system can test the all required specifications, such as compressed air flow rate, pressure, temperature, motor torque, motor rotation speed, cylinder thrust and noise of motor.

分别对锚杆钻机七项性能指标(供气流量、供气压强、供气温度、马达扭矩、马达转速、支腿推力和马达噪声)进行测试并实现实时采集,为锚杆钻机实时故障诊断奠定了基础。

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It is shown from the analysis results that the Jiaozhou Bay has a low sedimentation rate, belongs to the slowly silted bay, and is a typical tidal inlet system.

综合分析表明,胶州湾沉积速率较低,属于缓慢淤积的海湾,是一个典型的潮汐汊道系统。

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