So it is important to optimize operation of water supply pumping stations, for safety water supply and saving energy.

D-C graphitizing furnace has many advantages, particularly in the economy of power, when comparised to A-C graphitizing furnace.

与交流石墨化电炉比较，直流石墨化电炉有许多优点，特别是节约电能。

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But going to bed early and getting up early can avoid wasting electric power which causes carbon dioxide emissions.

但早睡早起可以节约电能从而减少碳排放。

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High efficiency motors have been needed in a large variety of industrial products in order to save electrical energy.

为了节约电能，在很多工业产品上都需要具有高效率的电机。

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Therefore, decreasing the electric power loss during the process is one of the approaches of electric energy saving.

降低这些过程中的损耗是节约电能的途径之一。

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The test doesn't involve complicated equipments and is economically recomendable as it does not consume much energy.

此方法设备简单，节约电能，具有重要的经济意义。

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Speed is easy to adjust due to frequency-inverter and drive is steady so that energy can be saved.

采用变频器调速，速度调节方便，传动平稳，节约电能。

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This has biggish practical significance in improving electroplating quality, saving electric energy and alleviating environmental pollution.

这对提高电镀质量、节约电能、减轻环境污染有着较大的现实意义。

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The paper introduced the measures to save energy from two aspects of lighting power and motive power.

为此，从照明用电和动力用电两方面介绍了企业节约电能的措施。

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Thus, the functions of electrical energy saving and accident precaution are realized.

从而起到节约电能，预防事故的功能。

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Frequency control is one of the most efficient way of energy saving.

变频调速是工业装备节约电能的有效方法之一。

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Important way of saving electric energy in coal mine production

煤矿生产节约电能的重要途径

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Preliminary study on the energy saving of vegetable breeding on electrical hotbed

蔬菜电热温床育苗节约电能技术初探

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This article focus on the motor which supplied by 1140v and driving the asymmetric load, prepares to manufacture the control voltage economic device basing on PWM, achieves to control the voltage on the motor in order to decrease the loss of motor and save the electric energy.

论文针对1140V供电的不均匀负载电动机，提出研制基于PWM技术的电动机调压装置，实现对电动机端电压的调节、控制，从而达到降低电动机损耗和节约电能的目的。

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This article compares the advantages and disadvantages of the constant current charging 、 PWM charging 、 constant voltage and solid resistance charging and stage charging methods to get the new charging method of controlling strategy that is variable resistance of maximum power point two stages charging method.

为了节约电能、保护蓄电池，本文比较了恒流充电、PWM充电、恒压固阻充电和阶段充电方法的优、缺点，提出了本文的充电控制策略即最大功率点变阻二阶段充电方法。

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Saving the use of electricity source is not only the focus of saving-energy work, but also can reduce the emissions of SO2, CO2, NO2 and other dust and residue.

节约电光源用电是节能工作的重点，同时也能减少发电产生的SO2、CO2和NO2等废气、尘埃和废渣对环境的污染。

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VSR pre-turbulent regulator was employed in the gas pressurization unit at the roasting plant of SISG, therefore a steady-pressure regulation of gas flow rate and energy saving were realized.

韶钢焙烧厂煤气加压机安装使用了V SR气动预旋风调节装置，实现了对风机的等压力流量调节，并可节约电能。

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On the principle of PID, the control method of fuzzy PID is discussesed in saving electric energy, the effect of dust collecting, wind mixing and spraying for temperature reducing.

在对除尘器风机实行PID变频调速的基础上，为节约电能，提高除尘效果，提出混风降温、喷雾降温的模糊PID控制思想及策略。

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The control method of self-organized and differential front PID has the advantages of saving electir energy, the effect of dust collecting, wind mixing and spraying for temperature reducing.

提出了为节约电能，提高除尘效果，混风降温、喷雾降温的自组织微分先行PID控制思想及策略。

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The control of ventilation is to control Co concentration and smoke concentration in tunnel within the allowable limits on the premise of saving power consumption.

通风控制就是要在节约电能消耗的前提下，将隧道内CO浓度和烟雾浓度控制在允许的范围内。

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The measures for saving electricity are: overhauling and revamping the flue gas turbine and regenerator cyclone device of the catalytic cracker to raise the efficiency of the turbine;

节约电的措施为：对催化裂化装置烟机及再生器旋分器进行检修改造，提高烟机效率；

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