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repeat pulse
相关语句
  重复脉冲
     Transient temperature rise in a repeat pulse pumped solid-state laser tube
     重复脉冲泵浦管状固体激光器的介质温升
短句来源
  相似匹配句对
     Taking the Pulse
     脉冲爆震发动机技术的最新进展
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     Trembling Pulse
     震颤脉
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     repeat and vacancy;
     如标准之间交叉,重复,又有空白;
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     A Diverse Circuit to Eliminate Radar Disturbance of Pulse Repeat Frequency
     一种消除雷达同频干扰参差电路的设计
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     Design of pulse voltage generator with repeat frequence for DeSO_2
     脱硫用重复频率脉冲电源设计
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  repeat pulse
Laser radiation was set at a repeat pulse energy intensity of below 3W for a period of 10 se-conds.
      


Rheoencephalograms of the fronto--mastoid and the occipito--mastoidleads of 244 normal subjects or both sexes and different ages wereanalyzed in 1977. The results of analysis are as follows.1. Rheoencephalograms of healthy subjects appear in four forms; thesharp--straight, the threepeak, the high--flexion and the flat--apex. Thefirst two are considered normal and the last two physiological variations.2. Differences with ageThe distribution of wave forms and the repeat--pulse waves in sub-jests under...

Rheoencephalograms of the fronto--mastoid and the occipito--mastoidleads of 244 normal subjects or both sexes and different ages wereanalyzed in 1977. The results of analysis are as follows.1. Rheoencephalograms of healthy subjects appear in four forms; thesharp--straight, the threepeak, the high--flexion and the flat--apex. Thefirst two are considered normal and the last two physiological variations.2. Differences with ageThe distribution of wave forms and the repeat--pulse waves in sub-jests under 40 years of age are significantly different from those aboveforty. The inflow time and their angle of inclination vary with thedifferent wave forms. These four parameters are regarded as representa-tive of the elastic state of the cerebral vasculature. The amplitude andspeed of inflow volume vary with the various age groups. They reflectthe fullness of the vessels and the state of vascular supply.3. Sex differencesThe sex differences in amplitude and speed of inflow volume areclear. Physiological variations of the waye forms and poorly markedrepeat--pulse waves are present earlier in women than in men.4. Differences between the fronto--mastoid lead and the occipito--mas-toid lead.The amplitude and the speed of inflow volume recorded with the fron-to--mastoid lead are consistently higher than that with the occipito--mas-toid lead, in all age groups. This may be due to the lesser blood supplythrough the vertebral artery than that through the carotid.This paper presents the range of normal values or six parameters ofRheoencephalogram obtained with our instrument.In view of the obvious overlap between the physiological and patholo-gical states, the range of values denoting "suspicious" cases is presentedfor reference.

本文对244名不同年龄、性别正常人的脑电阻图额乳与枕乳导联测定结果进行了分析。并提出了脑电阻图各项指标正常值与可疑值范围以供参考。

The detection and alaming of damaging dosage of radiation is one of the most important aspects in the safeguard of laser in dangerous area. The laser dangerous area alarming device can be used to measure the mean irradiance, peak irradiance of repeated pulse and the radiant exposure of single pulse. There are three kinds of sensors provided with this instrument,such as photoelectric, pyroelectric and thermaleletrice detector.

激光危险辐射量的检测报警是激光安全工作中的重要内容。激光危区检测报警仪是一种对平均辐照度、重复脉冲峰值辐照度和单脉冲辐照量测量报警的仪器 ,该仪器配备光电型、热释电型和量热型三种传感器。

Purpose:Discussion of the effectiveness and safety of smashing postoperational residual hepatic calculi with Nd:YAG laser through bile duct endoscope.Methods: Twenty cases with postoperational residual hepatic calculi were treated with Nd:YAG laser through bile duct endoscope,which had failed in normal endoscope extraction of gallstones. Through bile duct endoscope by way of T sinus,a 0.3mm optical fibre was focused on the center of gallstones. Repeated pulses of Nd:YAG laser with 28~30W at 40J/S radiated...

Purpose:Discussion of the effectiveness and safety of smashing postoperational residual hepatic calculi with Nd:YAG laser through bile duct endoscope.Methods: Twenty cases with postoperational residual hepatic calculi were treated with Nd:YAG laser through bile duct endoscope,which had failed in normal endoscope extraction of gallstones. Through bile duct endoscope by way of T sinus,a 0.3mm optical fibre was focused on the center of gallstones. Repeated pulses of Nd:YAG laser with 28~30W at 40J/S radiated on the gallstones while normal saline irrigated the bile duct quickly. Repeated pulses continued until the gallstones were smashed, which were extracted by forceps or string bag.Results:The 22 cases included 11 with gallstones in the internal bile duct of the left liver lobe,8 in the internal bile duct of the right liver lobe and 3 in the common bile duct. The dimensions of the residual stones ranged from 2.0cm by 2.0cm to 1.0cm by 1.0cm. There're 16 cases cured without residual stones after one laser treatment and 4 cases cured without residual stones after two laser treatment while 2 cases were treated with failure due to the lack of flexibility of the 0.6mm optical fiber,which could not reach the point where the residual stones had remained.Conclusions:The treatment has been proved effective and safe of postoperational residual hepatic calculi with Nd: YAG laser through bile duct endoscope.

探讨经胆道镜 Nd:YAG激光碎肝胆管术后残余结石的有效性与安全性。对 2 2例肝胆管术后残余结石 ,常规内镜取石失败的患者实施经胆道镜导入 Nd:YAG激光碎石治疗。通过 T管窦道经胆道镜插入 0 .3mm光纤对准结石中心 ,生理盐水快速灌注冲洗胆道 ,Nd:YAG激光 2 8~ 30 W,以 4 0 J/ s脉冲式重复照射。反复脉冲式发射直至击碎 ,用取石钳或网篮取出碎石。 2 2例患者其中左肝内胆管 11例 ,右肝内胆管 8例 ,胆总管 3例。结石 2 .0× 2 .0~ 1.0× 1.0 cm。碎石 1次取净治愈者 16例 ,2次取净治愈 4例 ,2例为早先使用直径 0 .6 mm光纤缺乏柔软性 ,无法到达残余结石所在部位而失败。经胆道镜 Nd:YAG激光碎石治疗肝胆管术后残余结石安全有效

 
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