In the economic rectification designed to raise the economic efficiency of enterprises and deepen their reform, a number of enterprises have been closed down, suspended, merged or switched to other lines of production in the last couple of years. 近两年,为了提高企业经济效益和深化企业改革,在治理整顿中关停并转了一部分企业。
It is proved from experiments that the structure is feasible and a high rectification efficiency of78. 试验结果表明,该整流天线系统的整流效率达78。
Rectification of computation method for section efficiency index of T beam with wet joint in web plate 翼板湿接T梁截面效率指标计算方法修正
Rectification of Catadioptric Omnidirectional Images Via Cylindrical Unwarping Correction for wavefront distortion using high diffraction efficiency holograms 折反射全向图像柱面展开校正算法研究利用高衍射效率的全息图校正畸变的波前
The rectification device is a liquid-gas separator with high efficiency. 采用精馏装置作为汽液分离器,可以大大提高分离效果,使得系统制冷效率和稳定性得到了提高。
Besides, the IC introduces synchronous rectification technology to increase the efficiency and save the area of the PCB board. 另外,采用同步整流技术,在提高效率的同时节省了PCB板的面积。
The technology of synchronous rectification is to replace rectifying diode with power MOSFET which has low turn-on resistance, so it can decrease the dissipation of rectifier circuit greatly, improve the efficiency of DC/ DC converter and meet the needs of low-voltage and large current rectifier. 同步整流技术采用通态电阻极低的电力MOSFET来取代整流二极管,能大大降低整流电路的损耗,提高DC/DC变换器的效率,满足低压、大电流整流器的需要。
Auto-cascade refrigeration system using a rectification device as the liquid-gas separator must has a bright future with advantages such as low cost, high efficiency. 精馏型自动复叠式制冷系统造价低,效率高,稳定性好,具有广阔的应用前景。
It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD. 它采用双向开关和同期整流,得到了高功率因子、高效率和低高次谐波。
On-line communicational silicon-controlled rectification power source with consumable electricity and low efficiency will increase operating cost. 在线通信用可控硅整流电源自身电耗高、效率低,使运行成本增加;
Based on the push-pull topology, using double-current rectification in secondary part, it can wide the appliance scope, decrease the difficulty of manufacturing transformers and achieve high efficiency converters. 本文在电源主电路方面选用推挽电路,其输出整流方面采用倍流整流方式,可以拓宽电源的应用范围和降低变压器的制造难度,实现高效率的电源。
Moreover, this technique also adapts to secondary geometric rectification of all kinds of TM and SPOT satellites images, and improves the precision and efficiency of geometric rectification. Comparatively it is a kind of practical secondary geometric rectification model. 而且,这项技术也完全适用于TM和SPOT等卫星图像的二次几何校正,并且提高了校正精度和速度,是一种比较实用的二次几何校正模型。
By adopting the technologies of synchronous rectification and two optional operation modes at light loads, the efficiency of the chip is enhanced at whole load range. 该芯片采用同步整流技术和轻负载两种可选工作模式,提高了全负载范围内的工作效率;
A DC supply using IGBT to realize rectification and PWM without a transformer can improve power efficiency with less transformation. 采用IGBT直接实现整流及PWM调制,无需变压器,减少了能量转换环节,提高了电源效率。
The importance of synchronous rectification for improving the performance, especially for increasing the efficiency of the low voltage and large current DC/ DC converter are described. 阐述了在低电压大电流DC/DC功率变换器中,同步整流技术对提高功率变换器性能,特别是提高变换器效率的重要性。
Practical results showed that the rectification efficiency satisfactorily met the design requirements, and the column was a ideal device for the purification of rude turpentine oil 生产证明,设计的精馏塔分离效果完全达到预定设计要求,是进行粗松节油提纯加工的理想设备
Through the comparative tests between rectifications with control points and that with predetermined settings, the derived formulas have been proved to be correct while the latter method of rectification shows a higher efficiency. 通过安置纠正元素的纠正与用对点方法纠正试验的比较,验证了公式的正确性,并证明用安置纠正元素进行纠正可提高工作效率。
By analysing characteristics of synchronous rectification BUCK type can be realized by improving common PWM controller, it raises the efficiency of the switch circuit, and is applicable to high voltage system. 通过对同步整流技术特点的分析,在普通PWM控制器基础上进行改进就可以实现BUCK型同步整流,提高开关电路的效率,并能适用于高电压系统。
As is known, conventional charge and discharge modular uses phase control rectification technology, which brings big change of output voltage, interrupt of electrical magnetic, low efficiency, and large size. 由于传统的充电模块采用的是相控整流,存在着输出电压纹波大,谐波污染严重,转换效率低,系统体积庞大等缺点。
Through constructing the control point database of graph and image, we can not only largely increase the precision of the geometric rectification, but also improve the manage-ment level and application efficiency. 通过建立控制点图形图像数据库,不仅可以大幅度提高影像几何纠正精度,还能够改善控制资料的管理水平和应用效率。
Synchronous rectification technology was used to improve system efficiency. 采用同步整流技术提高系统效率。
Through numerical simulation, study the influences of the unsteady hysteresis of the fluid in diffuser/ nozzle components to the micropump flow, and the related parameters that effect the rectification efficiency of micro-pump in unsteady state. 通过有限元仿真模拟研究了扩张管/收缩管组件中流体的非稳态滞后特性对微泵流量的影响以及影响微泵非稳态整流效率的相关参数。
The application of soft switching technology and synchronous rectification can significantly improve the efficiency. 软开关技术和同步整流技术的应用可大大提高电源的效率。
By adopting the technologies of synchronous rectification, two optional operation modes at light load and drop-out operation, the efficiency of the chip is up to 96%. 该芯片采用同步整流开关管、轻负载时两种工作模式、压降工作等技术使转换器的最高转换效率可达96%。
And using synchronous rectification to reduce power loss to improve efficiency and also reduces the size of the external circuit. 而且此结构采用片内集成功率管的同步整流方式来减少功率损耗以提高系统的转换效率,同时也减小了外围电路的体积。
On the other hand, there are a lot of nonlinear optical crystals in which THz wave can be generated by the non-resonant optical rectification effects. But its conversion efficiency is related with the phase-matched condition. 而在光学非线性晶体中利用非共振光整流效应可以产生THz辐射,其转换效率与相位匹配条件密切相关。
Due to adopting soft switching technology and synchronous rectification technology, two power converters can achieve a high conversion efficiency. 由于分别采用了同步整流技术和软开关技术,两台电源变换器均能实现较高的转换效率。
By application of the soft switching technology and the synchronous rectification in Flyback converters, high efficiency, high power density and low cost requirements are achieved. 全文通过把软开关技术以及同步整流技术应用反激变换器中,实现了高效率、高功率密度以及低成本的要求,得到了高性能价格比的开关变换器。
When the pressure difference is low, a larger divergence angle micropump has better rectification efficiency, when the pressure difference is high, a smaller divergence angle micropump have better rectification efficiency. 2. 压差较低时大扩张角微泵具有较佳整流效率,压差较高时小扩张角微泵具有较佳整流效率。