提出了一种采用直流脉冲电流的埋弧焊工艺,研制开发了以单片机为核心的脉冲电流控制器。
It will introduce us a new SAW process by adopting DC pulse current. They design and develop pulse current controller as core of single plate machine.
为了获得CH分子束及其相关特性,以氦气为载气,利用直流脉冲放电技术产生了CH分子束。
The CH molecular beam was generated by DC pulsed discharging methane seeded in helium in the supersonic expansion to study the generation and features of CH molecular beams.
将直流脉冲与扫频技术相结合,利用新型的扫频直流脉冲电磁水处理器进行循环水抑垢效应的研究。
A new electromagnetic water treatment device for anti-scaling treatment was prepared by combined DC pulse with frequency conversion technology.
脉冲电源的形式和用途有多种,文章研究了一种软开关直流脉冲电源,主开关管可以实现零电流开通、零电压关断;
This paper research a soft-switch DC pluse power supply. The turning on of main switch can achieve ZCS, and turning off is ZVS.
结果表明:直流脉冲电源条件下取得的陶瓷膜比交流脉冲电源条件下取得的陶瓷膜更致密,因而具有更佳的耐腐蚀性;
The results show that the ceramic coating obtained under the condition of DC impulse source is more compact than that of AC impulse source.
用于电解修锐前砂轮形状和表面精密修整的电火花修整部分将电源直流脉冲电解部分的输出端串连一个限流电阻就形成了电火花修整部分。
The part of EDM dressing A resistance was jointed after the output of DC pulse part to realize the EDM dressing of grinding wheel.
提出了将控制光脉冲加上直流基座有效地抑制DLOB中噪声的技术方案。
Brings forward a technical scheme to suppress the noise in DLOB by adding base onto control light pulse.
这类仪器在脉冲操作模式下还能够输出大大超出其直流能力的电流值。
Pulsed operation also allows these instruments to output current levels well beyond their DC capabilities.
为满足脉冲电源重复频率运行时直流电源的稳压性问题,设计了晶闸管快速充电自停自补单元,同时也提高了整个电源系统的效率。
In the case of repetition mode of the pulse power supply, Fast charging circuit is designed to enhance the stabilize and charging efficiency of the DC power supply.
目前除采用一般的直流电外,根据实际的需要还可采用周期换向电流及脉冲电流。
At present in the general of dc outside, according to the actual need to still can use cycle reversing current and pulse current.
采用直流和脉冲电沉积方式从三价铬的氯化物镀液中沉积出镍-铁-铬纳米合金镀层。
Nickel iron chromium alloy with nanocrystalline were electrodeposited from chloride bath containing trivalent chromium ions under direct and pulse current.
结果表明:脉冲复合镀层的抗高温氧化性比直流复合镀层优异;
The oxidation resistance of pulse composite coating was better than that of direct current composite coating.
广泛用于电视,通讯设备等一般电子线路的高频、直流、阻容降压和脉冲电路。
Widely used in high frequency, DC, rc decrease voltage or pulse circuits. widely used in TV, telecommunication and various electronic equipment.
研究和分析了它们在低频大电流脉冲注入下的Pp—Ip特性和直流注入下的光谱特性。
The PP-IP characteristics at low frequency high pulse current and the emission spectra at direct current have been investigated and analyzed.
用户可以设定测量信号的直流偏压,测量振幅,脉冲宽度。
User may specify the DC bias, measurement amplitude, and pulse width of the measurement signal.
采用了脉冲调宽功放装置(PWM),直流力矩马达直接驱动转台框架的数字伺服调速体制。
It is digital servo timing control system which is driven by PWM, direct current moment motor.
脉冲给电获得的镀层比平波直流给电的质量高。
The quality of tungsten coating obtained by pulse current is finer than that by direct current.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
直流电机位置用脉冲宽度调制法控制。
Position control of d. c. motors has been done by means of pulse width modulation .
介绍了制备纳米镀层的电沉积方法,主要有直流电沉积、脉冲电沉积和复合共沉积。
The electrodepositing method for the preparation of nano-deposit was introduced, including direct current electrodeposition, pulse electrodeposition and composite electrodeposition.
广泛应用于高频,直流,交流和脉冲电路中。
给出了BNRT的直流参数以及高频和脉冲性能的测量结果,提出了BNRT组合运用的基本电路。
The DC parameters and measurement results of high-frequency and pulse performances for the BNRT are given Basic circuits with regard to the composite operation of BNRT's are presented.
介绍了利用脉冲调宽时分割技术设计的可调直流基准源的原理和方法,并给出了硬件电路和程序设计。
The paper introduces the design method of adjustable DC reference based on PWM and time-division, it gives hardware and software design.
由于传统谐振直流环节逆变器只能采用离散脉冲调制方式,输出波形中含有丰富的低次谐波,严重影响输出性能。
The output waves of traditional resonant DC-Link inverter have too much low frequency harmonic waves which affect the output performance, because it can only use DPM control.
脉冲的电压,宽度,预设直流偏压和偏置时间可以由用户设定。
Pulse voltage, pulse width, preset DC bias, and bias time can be defined by user.
脉冲电电晕除尘的放电状态不同于传统的直流电除尘。
The discharge state of pulse corona in dedusting differs from of that DC corona.
文中介绍了由直流高压电路、脉冲放电电路和一级脉冲磁压缩电路组成的铜蒸气激光器电源。
The supply power of copper vapor laser (CVL) consisting of DC high voltage circuit, pulse discharge circuit and one stage magnetic pulse compression circuit is introduced here.
脉冲电除尘电晕放电状态不同于传统的直流电除尘。
The discharge state of pulse corona in dedusting differs from of that DC corona.
因其介电常数较高,特别适用于作低压、直流、脉冲电容器浸渍剂。
Because of their higher dielectric constant, they are particularly suitable for use as an impregnant for low voltage, direct current, and impulse capacitors.
因其介电常数较高,特别适用于作低压、直流、脉冲电容器浸渍剂。
Because of their higher dielectric constant, they are particularly suitable for use as an impregnant for low voltage, direct current, and impulse capacitors.
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