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The first law tells us that work output cannot be produced without an equivalent amount of energy input. 第一定律告诉我们，如果没有等当量的能量输入，就不可能产生输出功。
The energy input from the supernovas could also be driving gas out of the central region. 来自超新星的能量注入还可以将气体从中心驱出。
On the basis of analyzing the energy input structure, a series of energy indices of 1980 and 2000 are assessed and compared. 在分析能值投入结构的基础上，分析并对比了1980年与2000年的一系列能值指标变化。
As the technology of agricultural system advances, the energy input for the agricultural production also relatively increases. 摘要随著农业科技的进步，用在农作生产的能量投入亦相对地增加了。
Forecasting Research of Thermal Deformation Based on the Relationship of Energy Input and Dissipation of NC Machine FAN Jin-wei, ZHANG Zhe, YANG Lei, et al. 基于能量输入与耗散关系的机床一维轴热变形预报研究。
The critical conversion efficiency is defined as the conversion efficiency of light energy when the hydrogen energy output is equal to the energy input from the outside system. 临界光能转换效率就是系统产出的氢能与外界输入系统的能量相等时的光能转换效率。
The efficiency of energy input was in order of cole-peanut,potato-watermelon,potato-soybean,and wheat,and the value was 2.96,2.08,2.01 and 0.96,respectively. 投能效率最高的是油菜+花生;年均达到2.;96
Non-inertial cavitation is the process where a bubble in a fluid is forced to oscillate in size or shape due to some form of energy input, such as an acoustic field. 非惯性的气穴现象是泡沫在一种液体中由于一种能量输入的缘故被迫在体积和型态上震动。
In the situation of different energy input, models are calculated.The thermoelectric generating parameters are obtained with the changes of focalizing ratio. 并对不同输入能量的情况进行了计算，得出了热电性能参数随聚光比的变化规律。
The BMW Group is researching ways to generate the initial energy input in environmentally friendly ways, such as through wind, solar or hydroelectric power. 因而BMW的工作组致力于找到用于最初用于分离出氢的清洁能源，比如：风能、太阳能或水能（水力发电站）。
Azodicarbonamide is of interest as a flour improver, since it improves not only the dough properties of weak gluten flour, but also lowers the energy input in dough mixing. Details of the reactions involved are unknown. 偶氮甲酰胺是一种令人很感兴趣的面粉改良剂。它不仅仅改善了含有微弱面筋含量的面粉的面团特性,而且降低了面团混合过程中的能量输入。但其反应的细节还不甚清楚。
For ex-ample, the throttle of a thermal unit or the gate of a hydro unit can be adjusted to change load on that machine, and the machine will respond individually to the energy input to its prime mover. 例如,调节火电机组的节流阀或水电机组的导流闸门来改变机组的负荷,而机组各自对其原动机的能量输入作出响应。
Efficiency( EFF) Efficiency is the ratio of energy output to energy input, such as the ratio between the electrical energy input to a motor and the mechanical energy output at the shaft of the motor. 效率效率是输出能量与输入能量的比率，例如输入到电动机的电能与电机轴承输出的机械能的之间的比率。
According to the theory of ting eddy,the energy analysis model for flocculating tank is given in the paper. Based on this model, the energy input for flocculating tank can be analysed and evaluated. 结合絮凝过程的微涡旋理论，首次提出了絮凝池(火用)分析模型，根据此模型可对絮凝池能量的输入情况进行分析和评价。
There is a critical value for each earthquake record. When the structural period is longer than it,the energy input and dissipate curve with different damping characteristics are different very much. 对于每个地震记录,有一个临界值,体系的固有周期小于此值时,不同阻尼模型的能量输入、阻尼能量耗散时程曲线值无大差异,当周期大于此值时,不同阻尼模型的能量输入及阻尼能量耗散时程曲线差异较大。
Using these observations, the complete partical size distribution of the ground coal for a given specific energy input has been made, which agrees well with the experimental observations. 通过实验测定和分析,在给定单位输入功的条件下,计算出的煤产品粒度分布与实测结果非常吻合。
By strictly clearing up weld zone, improving welding material's purity, strengthening molten pool's shield and controlling energy input etc measures, weld zone's hot crack and blowhole were prevented. 采取严格清理焊接区、高焊材纯净度、强熔池保护及控制线能量等措施消除了蒙乃尔合金焊接中的气孔和热裂纹,保证了产品焊接质量。
Efficiency (EFF) Efficiency is the ratio of energy output to energy input, such as the ratio between the electrical energy input to a motor and the mechanical energy output at the shaft of the motor. 效率效率是输出能量与输入能量的比率，例如输入到电动机的电能与电机轴承输出的机械能的之间的比率。
The high rate of solar wind energy input was evident in the great amplitude of the plasma waves and the large magnetic structures measured by the Magnetometer throughout the encounter. 率很高，太阳风能量投入是显而易见的大振幅的等离子体波和大型磁结构的磁强计测量了整个遭遇。
The problem is that the operation of bio-reactor for desulfurization by chemotrophic microorganism need relatively high energy input, and so it restricted the reactor application further. 化能型沼气生物脱硫反应器的运行需要较大能耗，这就成为限制该类反应器进一步推广的主要原因。