As water rises, locals use a makeshift pedestrian bridge to help them supply and evacuate in the Hunza River Valley in northern Pakistan.
巴基斯坦北部罕萨河谷,由于水势上涨,当地人利用一座临时搭建的桥帮助他们获取给养和疏散人员。
The working processes of the frequency-tracking phase-shift PWM controlled full bridge power supply load series resonant type DBD ozone generation power system are analyzed.
系统的分析了频率跟踪移相PWM控制全桥供电的串联谐振负载式DBD型臭氧发生器电源系统的工作过程。
The results can supply technical parameters for the design, construction, health detection and maintenance in the operational phase of the bridge.
计算结果可为该类型桥梁的设计、施工以及使用阶段的健康检测和维护提供技术参数和依据。
The electric traction power supply system is shouldering the duty of uninterrupted power supply to the electric locomotive, it is the bridge between the electrical power system and users.
电力牵引供电系统担负着向电力机车不间断供电任务,乃是电力系统与用户间的桥梁。
A half bridge switching mode power supply (SMPS) based on PWM technology is introduced.
介绍了一款基于PWM技术的半桥式开关稳压电源。
The research objective of this paper is to find out a bridge to connect farmers' credit demand and the Rural credit Cooperatives' loan supply.
本文的研究目的就是寻求连接农户信贷需求和信用社信贷供给的桥梁。
An asymmetrical half-bridge operation in soft switching mode can reduce switching power loss and improve the efficiency of power supply.
不对称半桥工作在软开关模式可以减小开关损耗,提高电源的效率。
The property of the logarithm circuit is studied. A model is given to reducing the error of bridge, and a kind of high-precision transducer without the influence of the voltage supply is designed.
通过研究对数运算电路独特的运算特性,设计出一种满足消除电桥参考电压影响的电路模型,为高精度电桥类传感器设计提供了一种独特的减小失调误差影响的手段。
My family just moved to the vicinity of Peony Bridge, will the recent gas supply point there?
我家刚搬到牡丹桥南附近,请问最近的液化气供应点在那里?电话多少?是否提供送气上门?。
In the logistics network, the logistics centre connected to the supply and demand point, and is a bridge between them.
在物流网络中物流中心连接着供货点和需求点,是两者之间的桥梁,在整个物流系统中有着举足轻重的作用。
The present methods can supply the failure analysis of bridge deck pavement layer in concrete highway Bridges with a new way of study.
本文为混凝土公路桥中桥面铺装层的破坏分析提供了一种新的研究途径和方法。
The electric power customer service center links up the electric power supply enterprises and electric power users effectively. It becomes the bridge and tie to link both up.
电力客户服务中心将供电企业与电力用户有效的联系起来,成为沟通二者的桥梁和纽带。
The built-in 10v excitation supply is capable of driving a 350 ohm bridge.
内置的10v激发供应能够驱动一个350欧姆桥接器。
The calculation and results provide a theoretical basis to design the ferroelectric power supply initiating metal bridge foil.
计算方法和结果能够为起爆金属桥箔的铁电体电源设计提供理论根据。
On the basis of comparing with power supply of full bridge voltage mode, the authors bring forward the full bridge series resonant mode applied in the pulsatile laser power supply.
在与全桥电压型充电方式激光电源比较的基础上,提出了一种谐振充电式脉冲激光电源。
Distribution network, which is the core phase in Agriculture produce supply chain, is the bridge and tie to connect the producer and the client.
农产品分销网络是联接农业生产者和客户的通道和纽带,是农产品供应链中的关键环节。
This paper presents a digital controlled full bridge ZVS PWM switching power supply, which is based on sliding mode control method by using DSP.
本文以滑模变结构为控制核心,研制了以DSP为控制芯片的全数字化全桥移相软开关电源。
This paper introduces an optimization design method for the compensation network of phase-shift full-bridge switching power supply.
介绍了一种全桥移相式开关电源补偿网络的最优设计方法。
The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
电源通过BOOST电路校正功率因数和调节电压,用移相全桥把直流电逆变成高频方波,然后经高频变压器升压后倍压整流得到直流高压。
Fourth chapter mainly elaboratess the signal conditioning circuit of strain gauge and the supply circuit of strain bridge system's design methods.
第四章主要阐述了应变仪信号测量电路及电桥电源电路的设计方法。
The paper analyses the common faults of switching supply circuit and introduces a method for fault overhaul of half-bridge switching supply circuit.
对开关电源电路的常见故障进行了分析,介绍了一种半桥驱动型开关电源电路的故障检修思路和开关电源电路静态检修法。
Have carried on the detailed parameter design to the phase-shifted Full-Bridge soft switching power supply main circuit and the control circuit.
对移相全桥软开关电源主电路和控制电路进行了详细的参数设计。
A pair of wires connected to the printed circuit board connect the bridge rectifier to a power supply.
一对连接到印刷电路板上的导线把桥式整流电路与电源相连。
Given Beijing's absolute resolve to be self sufficient, huge increases in fertiliser use are the only way to bridge the gap between demand and supply.
鉴于北京坚持完全自给自足的解决方式,大量增加化肥的使用是解决供求关系差额的唯一的方法。
This article conclusion may supply the bridge earthquake resistance design reference.
本文结论可供桥梁抗震设计参考。
A general design of digital twin-wire welding power supply was selected firstly, and two side-by-side IGBT full bridge converter main circuit structures were designed.
本文首先确定了双丝焊数字化电源的总体方案,设计了两台并行的IGBT全桥逆变主电路的拓扑结构。
The theory of the half bridge switching mode power supply is introduced.
介绍了半桥型开关稳压电源的原理。
With the same supply voltage, the BTL signal output range is 2 times of Half-bridge amplifier due to the load with differential drive.
同时,在相同的电源电压下,BTL输出信号摆幅是半桥式放大器的2倍,因为负载是差分驱动的。
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路,取消了限流电阻;
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路,取消了限流电阻;
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