high-frequency

To investigate the effects of endoscopic high frequency electrosection and hot biopsy electrocautery on prolapse of gastric mucosa.

结论内镜下热活检灼除法治疗胃黏膜脱垂症易于操作,疗效确切,安全性。

Objective To analyse the ultrasonograph ic appearances of muscular and soft tissue diseases using high frequency ultraso und.

目的分析超声下肌肉系统病变超声声像图表现。

The high frequency switch-mode power supply focused by this subject mainly used in galvanoplastics(NDF), electrification(NCF), electrical chemistry(NHF), and excitation(NLF).

本课题研制的开关电源主要用于电镀（号：NDF）、充电（号：NCF）、电化学(号：NHF)和励磁（号：NLF）。

During the experimental test of the VDCS, high frequency interference, MOSFET protection and predrive circuit design were the key issues.

在多功能驱动电路系统实验调试中，重点讨论了干扰问题、MOS管的压保护和预驱动电路设计。

A prototype of high frequency induction heating power is developed by multidevice parallel connection and using power MOSFETs as the power switch.

以功率MOSFET为开关元件,采用多管并联方式研制感应加热电源。

The factors which influenced somatic embryogenesis and plantlet regeneration in Picea meyeri Rehd. et Wils. were studied in order to establish a high frequency embryogenetic system.

摘要为建立白杄体细胞胚胎发生及其植株再生的率实验系统，对聚乙二醇及干化处理的影响进行了系统研究。

Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.

采用脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源,提了钎缝质量和产品的可靠性.

But this study does not discover any relationship between CHD and APOA1 gene, APOB gene, APOC3 gene, APOE gene, LPL gene, 30 candidate locus of the high frequency SNPs .

但在本课题研究人群中APOAⅠ基因、APOB基因、APOC3基因、APOE基因、LPL基因30个候选位点的SNPs未显示与冠心病的相关性。

SJ series high frequency deflaker is absorbed the optimum deflaker device in the world by our factory。The device can obviously decrease pulp point and defibraze the fiber with high wet strength.

SJ系列疏解机是我厂引进消化而成最新、最佳疏解设备，能明显减少浆点，而且能疏解浆料中所含温度的特殊纤维。