查询词典 business cycle

This implies the existence of a polynomially bounded algorithm to find a shortest contractible cycle, a shortest separating cycle, and shortest cycle in an embedded graph in the projective plane and answers the open problems raised by Mohar and Thomassen in the case of projective plane embedded graph.

另一方面，通过定义嵌入图的几何对偶图及其相应的嵌入系统，得到几何对偶图中的可分离圈就对应于原图中的割；反之，若几何对偶图中的割在原图中对应于一个圈，那么该圈一定可分离。

The Kalina cycle which uses ammonia-water mixture as the working-medium, has the characteristics of lower vaporization temperature and non-isothermal heat absorption. Therefore, the Kalina cycle is used in low temperature waste heat recovery based on introduction of operating principle. The primary parameters of Kalina and Rankine cycle are optimized by mean of genetic algorithm respectively, and the net output power of the two cycles is compared on the same condition.

卡林纳循环采用氨水混合物作为工质，具有气化温度低和非等温吸热的特点，因此，在简要介绍其工作原理的基础上将其应用于中低温余热回收，采用遗传算法对卡林纳循环和常规朗肯循环的主要参数进行了优化，在相同的余热条件下，比较了卡林纳循环和常规朗肯循环的净输出功率。

The proposed cycle combines the organic Rankine cycle and the ejector refrigeration cycle, producing power as well as refrigeration simultaneously. The ejector is driven by the exhausts from the turbine.

该系统将有机物朗肯循环与喷射式制冷循环相结合，利用透平排气驱动喷射器工作，同时实现发电和制冷的功能。

A novel power cycle system composed of a chemical recuperative cycle with CO_2/NG reforming and an ammonia absorption refrigeration cycle is proposed.

提出了一种由天然气CO2转化化学回热动力循环和氨吸收制冷循环构成的新型O2/CO2热力循环系统。

The concept of cycle efficiency coefficient is introduced to analyze the normal cycle of the unit and the reheater desuperheating water cycle.

引入了循环效率系数的概念，对机组正常循环和再热减温水循环进行分析。

My recommendation, if you are going to abort a cycle, especially any sort of a longer refresh cycle, you have to cycle the power - pull the plug and reinsert.

我的建议是：如果你打算终止一个循环，特别是周期较长的循环，最好是先切断电源——然后再插上。

Select steam initial temperature from 535℃to 660℃, and initial pressure form16 MPa to 34 MPa, We choose 494 sets of different steam properties in the selected sphere. Making the 494 sets of parameters basing points, We program and analyze how ideal cycle efficiency and relative cycle efficiency and absolute cycle efficiency vary with steam initial properties .

选定蒸汽初温从535℃到660℃，蒸汽初压从16MPa到34MPa范围内的494组不同的蒸汽初参数组，以这些初参数组为基点，编制程序，研究分析了机组理想循环热效率，汽轮机相对内效率，绝对内效率随初参数变化的规律。

Hence the full moon cycle can be defined such that the lunar precession cycle is the beat period of the full moon cycle and sidereal year.

因此，满月周期可以和月球的进动周期整合，定义出满月周期和恒星年的关系。详见月球进动。这句应该也有问题。

According to the theory of harmonic motion,the cycle of the simple pendulum is analyzed by infinitesimal and experiment respectively,the formulation and the function curve of the cycle T altered with the location of the liquid surface are obtained,the law of pendulum cycle changed with the pendulum ball's mass reduced is showed more accurately and obviously.

根据谐振动理论，分别用微积分推导和实验测定的方法，分析了一类常见的关于摆球质量减少的单摆周期问题，得到周期T随液面位置h变化的函数关系式，以及周期T随液面h变化的曲线，较精确和直观地展示了因摆球质量减少而导致周期变化的规律。

Now 144 cycle line is at 2935 points, which is just index supporting location short time, and once which fails to re-rise on 144 cycle line, the index will seek another supporting location on 288 cycle line below, which is now at 2889 points.

目前144周期线位于2935点，这才是短期股指的真正强力支撑位，一旦未能在144周期线上止跌回升，那么股指继续向下方的288周期线寻求支撑，目前288周期线位于2889点。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。