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eight-channel
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  八通道
     Design of Eight-channel Microcomputer Burdening System
     八通道微机配料系统的设计
短句来源
     Development of Periodic Eight-channel Time Controller
     八通道循环时间控制器的研制
短句来源
     The different methods and its results of measurement-data processinghave were compared, by using the eight-channel GPS timing receiver PTS-1 [1] that developed by Shanghai Astronomical Observatory.
     用上海天文台研制的八通道GPS定时接收机PTS - 1[1] ,进行了不同的测量数据处理方法比较。
短句来源
     To test the performance of ABS system of automobile, and according to relative standards, MAC-1 ABS test system was developed. LabVIEW7.1 was used as software development environment and an eight-channel synchronous USB data acquisition card was used as DAQ.
     为了完成汽车ABS系统的性能测试,依据相关标准,研制了以LabVIEW7.1为软件开发环境,USB八通道同步数据采集卡为硬件基础的MAC-1型汽车ABS测试仪。
短句来源
     The detection efficiencies of the ORTEC eight-channel alpha spectrometer working station for higher energy α particle and lower one are measured by an 241Am alpha standard source and a radon progeny standard source made by Canada Pylon Company, and the difference between the two was analyzed.
     本文用241Am标准源和加拿大Pylon公司的氡子体标准源对ORTEC八通道α谱仪进行了全谱和高、低能量段探测效率的测定,并对两种测量方法存在的误差进行了分析。
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  八信道
     Design and Accomplishment of the Eight-channel IF Digital Modulation System Based on Software Radio Technology
     基于软件无线电的八信道中频数字调制系统的设计和实现
短句来源
  “eight-channel”译为未确定词的双语例句
     Eight-channel High Speed Simultaneous A/D Sampling System Based on TMS320LF2407
     基于TMS320LF2407的8路高速A/D并行采集系统
短句来源
     Eight-channel operation can be realized on a 2cm×1cm substrate. The channel spacing is 0.8nm with worst crosstalk -30dB to an adjacent channel and maximum loss 4.2dB.
     设计的8×0.8nm器件整体尺寸为2cm×1cm,串扰优于-30dB,最大插入损耗为4.2dB。
短句来源
     The part of A/D transmitting chip is the ADC0809 which have a eight - channel transmitter, a eight - bit A/D transmitter and the logical control by microprocessor.
     考虑到家庭监护的实际应用,精度的要求不是很高,A/D转换器采用的是ADC0809,它有8通道多路转换器、8位模/数转换器和与微处理器兼容的控制逻辑电路。
短句来源
     A novel chirped fiber Bragg grating(CFBG) comb filter for eight-channel 50 GHz DWDM-channel separations and 60 km dispersion compensation was proposed.
     设计了一种新颖的60km色散补偿8信道50GHz信道间隔的啁啾光纤Bragg光栅(CFBG)梳状滤波器。
短句来源
     With a high-performnace digital cross-point switch,an eight-channel routing node was designed,and a throughput of 10 Gbit/s was realized.
     用高性能数字交叉开关设计了具有路由功能的8通道数据交换结点,可实现10Gbit/s的数据交换;
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  eight-channel
An eight-channel 200-GHz spacing flat-field AWG has been designed and simulated.
      
After fluoroscopic placement of an eight-channel water-perfused manometry catheter, 4-hr fasting recordings were obtained.
      
A total of seven eight-channel 1-hr combined recordings were obtained from three subjects infive consecutive postoperative days.
      
To prevent these potential problems, we have developed an eight-channel ambulant datalogger incorporating a safety circuitry to check for current leakage from each sensor.
      
In the present study samples were loaded onto electrophoresis gels rapidly and accurately by using an eight-channel multi-pipette.
      
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The effects of repetitive cortical stimulation on the evoked potential have been investigated in encépale isolé preparations of cats and in rabbits anesthetized with a mixture of 1% chloralose and 10% urethane solution.The evoked potentials were recorded from the visual or auditory area of the cerebral cortex by an eight-channel electroencephalograph.Repetitive electric stimulation for three seconds was applied to a cortical point close to one of an array of the recording electrodes.Either depression or...

The effects of repetitive cortical stimulation on the evoked potential have been investigated in encépale isolé preparations of cats and in rabbits anesthetized with a mixture of 1% chloralose and 10% urethane solution.The evoked potentials were recorded from the visual or auditory area of the cerebral cortex by an eight-channel electroencephalograph.Repetitive electric stimulation for three seconds was applied to a cortical point close to one of an array of the recording electrodes.Either depression or potentiation of the evoked potentials could be produced,depending on the depth of anesthesia and the stimulus parameters selected. (1)The spreading depression.On strong stimulation the evoked potential,after a latent period of half a minute,was severely depressed for about two minutes and then began to recover.Before finally returning to the original magnitude the potentials might surpass the control size.The total recovery time lasted for about thirty minutes.The degree of the augmentation of the potential seemed to depend on the level of anesthesia.Changes in stimulus intensity and in depth of anes- thesia,however,showed no effect on the process of depression.The depression propagated in all directions of the cortex at a speed of 2—8 mm per minute.No interhemispheric propagation was manifested.The initiation of the depression wave could be prevented by local application of 10% procaine solution at the stimulating electrodes. (2)The poientiation effect.Under certain conditions,the evoked potential could be greatly potentiated immediately after repetitive electric stimulation.Potentiation seemed to be confined only o the vicinity of the point stimulated and lasted for no more than forty seconds.A prerequisite for the production of the effect of potentiation was the proper frequency of stimuli;the anesthesia,the intensity and the duration of the stimulating pulse were contributory factors. Since the potentiation or depression could be induced separately by appropriate treatment of the preparation and by proper selection of stimulus parameters,it is assumed that the mechanisms un- derlying the two effects are independent of each other.

实验在家兔(用氯醛糖和氨基甲酸乙酯混合液麻醉)和猫(施行“隔离脑”手术)身上进行。用多点记录法在动物皮层的视区或听区引出诱发电位后,即在某一记录点附近给以3秒钟的重复弱电流刺激,可以观察到两种不同的效应:(一)阻抑作用:始于刺激后的半分钟左右,诱发电位迅即被完全阻抑,2至3分钟后电位渐渐增大,并增大到超出刺激前的水平,以后才逐渐恢复正常。全部阻抑过程历时约30分钟。改变刺激强度或麻醉深度对阻抑作用的影响不大。阻抑以每秒2—8毫米的速度向四周扩散,但不向对侧皮层扩散。皮层局部用10%普鲁卡因涂敷后,电刺激就不能引起阻抑扩散。 (二)强化作用:在适当的刺激条件下,刺激后立即出现诱发电位的强化现象,其时程不超出40秒,以后紧随着就出现电位的阻抑作用。越接近刺激点,强化的效应就越大,但强化不向四周扩散。强化作用的出现主要取决于刺激的频率,其他如麻醉深度、刺激波宽和强度等都具有一定的影响。利用巴比妥钠和10%普鲁卡因可以使诱发电位的强化和阻抑现象分别地表现出来。由此推论,强化作用和扩散性阻抑的发生机制是不相同的。

The measurement under gas turbine operating conditions of disk and blade vibration characteristics constitutes one of the most difficult problems in gas turbine measurement techniques. This paper gives a detailed description of the high-temperature strain gages, the testing environment protection and monitoring unit and the eight-channel dynamic strain telemetering system developed by the Harbin Marine Boiler & Turbine Research Institute as well as the experience gained in vibration characteristics measurements...

The measurement under gas turbine operating conditions of disk and blade vibration characteristics constitutes one of the most difficult problems in gas turbine measurement techniques. This paper gives a detailed description of the high-temperature strain gages, the testing environment protection and monitoring unit and the eight-channel dynamic strain telemetering system developed by the Harbin Marine Boiler & Turbine Research Institute as well as the experience gained in vibration characteristics measurements in the power turbine disks and blades of a high output marine gas turbine by using the above-mentioned devices.

在运行条件下实测燃气轮机轮盘和叶片的振动特性,是燃气轮机参数测量中最困难的问题之一。哈尔滨船用锅炉透平研究所近年来研制了高温应变片、测试环境的保护监控装置以及八通道动态应变遥测仪,并对一台大功率船用燃气轮机动力涡轮盘和叶片的振动特性进行了测试和研究。结果表明:其振动特性与理论计算基本上吻合。

This instrument is capable of spectrum peak selective scanning. Spectrum peaks of any eight channel in the whole mass range of the quadrupole mass spectrometer could be scanned. The scan width could be adjust between 1—10amu in every channel which has indenpendent gain control. In addition to the total scan output of the eight channel, there are also separate scan output from each channel.

该仪器具有选峰的功能,可对四极质谱计所覆盖的整个质量数范围内的任意八个通道谱峰进行扫描。每个通道的扫描宽度可在1~10amu内进行调整,并且每个通道都具有单独的谱峰幅度控制。峰选择器除具有所选通道的总谱输出外,每个通道还有单独的选峰输出。

 
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