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.

目分析频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).

本课题研制频开关主要用于镀（号：NDF）、充（号：NCF）、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.

在多功能驱动路系统实验调试中，重点讨论了频干扰问题、MOS管压保护和预驱动路设计。

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出频感应加热。

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.

要为建立白杄体细胞胚胎发生及其植株再生频率实验系统，对聚乙二醇及干化处理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.

采用频脉微束等离子弧做为子管阴极和光刻栅极装配钎焊工艺热,提了钎缝质量和产品可靠性.

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个候选位点频SNPs未显示与冠心病相关性。

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系列频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特殊纤维。