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middle frequency
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  中频
     The results indicate that 10CrNi3MoV 30C type bulb flats has good hardenability and it is feasible to study the middle frequency hardenability of 30C type bulb flats by Jominy test.
     结果表明 ,10CrNi3MoV 30C球扁钢的淬透性良好 ,用端淬试验来研究 10CrNi3MoV 30C球扁钢的中频淬火是可行的。
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     Using middle frequency induction heating,the optimal parameters of titanium thin pipe bending are achieved by optimizing die design parameters and pushing velocity. These parameters are:a=1.0~1.1,v=3.5~4.0mm/s.
     采用中频感应加热方法,通过对模具设计参数和推制速度的优化,获得环形管成形最佳的参数为:a=1.0~1.1、V=3.5~4.0mm/s。
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     Yb~(3+)/Er~(3+) co-doped Al_2O_3 optical waveguide fabricated by middle frequency sputter
     中频溅射技术制备镱铒共掺Al_2O_3光波导
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     ③The spontaneous discharges in heroin-dependence group were dominantly low frequency (57.9%), whereas low frequency (46.3%) and middle frequency (47.5%) were the main frequencies in control group (P < 0.05).
     ③海洛因依赖组大鼠杏仁核自发放电以低频为主(57.9%),而对照组则以低频(46.3%)和中频(47.5%)为主(P<0.05)。
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     The design and application of electric control cabinet for JTL-400A cryotal bring up furnace and KGPF25-0 3-2 5 middle frequency power source for heating are presented herein, and especially introduces application of the PWM direct current servo system under the control of PLC system and the special shifting trigger chip TC787 system in the design
     介绍JTL - 4 0 0A型晶体生长炉电气控制柜、KGPF2 5 - 0 3- 2 5型中频加热电源的开发设计及应用 ,特别是PLC控制的PWM直流伺服系统及专用移相触发芯片TC787在设计开发中的应用
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  “middle frequency”译为未确定词的双语例句
     as P vep high and middle frequency were compared: X 2= 5.04 , P < 0.05 ,X 2= 4.92 , P < 0.05 ,P vep has obvious improvement.
     两者差异显著 ; P VEP高、中空间频率比较X2 =5 .0 4 ,P <0 .5潜时比较X2 =4.92 ,P <0 .5 ,P VEP明显改善。
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     Research on Blind Watermarking Embedding Algorithm with Replacing Middle Frequency Coefficients in DCT Domain
     置换DCT域中频系数的盲水印嵌入算法研究
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     ① Auditory function: In 41 elderly persons >80 years, 13 ears (16%) had a normal middle frequency audiometry, 69 ears (84%) had a loss of hearing.
     ①听功能:80岁以上老年人41人中语频听阈正常者13耳(16%),听力下降者69耳(64%)。
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     With this algorithm,carrier image is transformed into 8×8 blocks using DCT,and the chaotic sequences are embedded into low and middle frequency coefficients of DCT of carrier image,so that the watermarking image is obtained.
     该算法将载体图像作8×8的分块DCT变换,并把混沌序列添加到数字图像的DCT的中低频系数中,从而得到含数字水印的图像.
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     Results show that under some condition this method is effective for the separation of ideal chaotic signal from pulse signals, and the separation effect of measured reverberation from some pulse signal is very good except that the middle frequency of one signal is close to that of the other signal.
     结果表明 :在一定条件下 ,局部几何投影法对于理想混沌信号与脉冲信号的分离很有效 ; 对实际的混响信号与某些脉冲信号的分离效果也非常好 ,但是该方法对于混响信号与调幅正弦脉冲信号的分离在两者中心频率相接近的时候效果不理想
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  相似匹配句对
     frequency range:middle;
     频段:中等;
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     FREQUENCY
     生死频率
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     In the Middle
     人在中途
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     Reform of middle frequency power
     中频电源的改造
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     Biograding frequency of C.
     在四种菌株降解胆固醇的比较中,C.
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  middle frequency
This material is useful for transformers and inductors, especially for higher flux density application in the middle frequency region (Bm[maximum excitation magnetic flux density] >amp;gt; 1T, 102 to 103 Hz), such as airplane devices.
      
Evaluation of measuring accuracy of middle frequency and bandwidth for radio-receiving apparatus
      
Vibration measurements in the middle frequency range by means of moving coil transducers
      
In particular, a large decrease in the melt penetration is observed at middle frequency, which is probably due to a lowering of arc gouging and a discontinuity of the bead.
      
However, in the middle frequency region and at faster travel speeds, humped beads are formed.
      
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A quanitative discussion on the relation between the optimum source resistance of noise and the maximum power transmission of transistor amplifier at the low and middle frequency is given in the paper.An approach of realizing simultaneously the optimum noise ratio and the matched resistance is presented, and the correlation coefficient between E_n and I_n of common. emitter amplifier is analysed.

本文讨论了中、低频段的晶体管放大器最佳噪声源电阻与最大功率传输之间的定量关系,分析了获得最佳噪声系数和同时获得阻抗匹配的电路结构。并讨论了共射组态的E_n-I_n相关系数的数量关系。

This paper deals with the hot metal pretreatment by injecting lime base complex desulphurizer in a middle frequency induction furnace(capacity: 150 kg). The results show that adding a variety of reaction accelerator with an adequate quantity to calcium oxide, the reaction rate of lime desulphurization and the utilization factor as well as the desulphurizing efficiency of calcium oxide can be increased. If the composition and ratio of desulphurizer are resonable and the sulphur content within hot metal...

This paper deals with the hot metal pretreatment by injecting lime base complex desulphurizer in a middle frequency induction furnace(capacity: 150 kg). The results show that adding a variety of reaction accelerator with an adequate quantity to calcium oxide, the reaction rate of lime desulphurization and the utilization factor as well as the desulphurizing efficiency of calcium oxide can be increased. If the composition and ratio of desulphurizer are resonable and the sulphur content within hot metal ranges from 0.022% to 0.120%, the desulphurizer consumption may be 10kg/T·Fe. In addition, the average e1ficiency of desulphurizaion may be 85%, the ter- minal sulphur content within hot metal is not more than grage utilization factor of total quantity of calcium oxide is 29%, and the optimum destribution ratio of terminal slag sulphur may be up to 545. Finally, the influences of other aspects, such as the compositions of hot metal and covered slag, the crucible material, the injecting time, and so on, upon the effect of desulphurization have been also discussed in the paper.

用容量为150公斤的中频感应炉,对喷吹石灰基复合脱硫剂予处理铁水进行了试验研究。结果表明;在石灰中添加各种适量的反应促进剂,可以加快石灰脱硫的反应速度,提高氧化钙的利用率和脱硫率。在脱硫剂的成份和配比适当的情况下,铁水含硫量在0.022~0.120%的范围内,脱硫剂耗量为10公斤/吨铁时,其平均脱硫率可达85%,铁水终点含硫量≤0.010%、∑CaO平均利用率为29%,终渣硫的分配比最佳可达545。本文还讨论了铁水成份、复盖渣组成,坩埚材质,以及喷吹时间等工艺因素对脱硫效果的影响。

In this paper an attempt is made to probe into both the mechanism and some new computational methods of model-reduction. The principle of an optimal allotment of information resources in a reduced-order model and the technique of separate treatment for middle-frequency and low-frequency ranges are presented. Several methods and algorithms based upon these concepts are offered. Results of computation show convinoingly that these new methods of model-reduction are superior to the current methods...

In this paper an attempt is made to probe into both the mechanism and some new computational methods of model-reduction. The principle of an optimal allotment of information resources in a reduced-order model and the technique of separate treatment for middle-frequency and low-frequency ranges are presented. Several methods and algorithms based upon these concepts are offered. Results of computation show convinoingly that these new methods of model-reduction are superior to the current methods from the point-of-view of a better similitude to the original model over a wide range of frequency. They are also simple to use and versatile in engineering application.

本文从机理和实现两方面研究模型降阶问题。提出了在降阶模型中“中、低频段分别处理”和“有限信息资源合理分配”的原则,介绍了由此导出的几种新的模型降阶方法。新方法具有物理概念明确,计算简单易行,所得到的降阶模型在宽广的频带内有较高的逼近精度等优点,适合于工程应用。

 
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