查询词典 pipeline inventory

According to induced response method, the expression in frequency domain of pressure response at the end of pipeline is derived using impulse response method and convolution theorem. The expression indicates that that transfer function is only related to the characteristics of pipeline system and the Fourier transform of flow variable only depends on the operating characteristics, and the pressure response in frequency domain is linear with the Fourier transform of flow variable.

基于激励响应法，应用脉冲响应方法和卷积定理得出了管道末端压力响应在频域中的表达式，此式表明：传递函数只与系统的特性相关，流量变量的傅立叶变换只与操作特性相关，且压力频域响应与流量变量的傅立叶变换为线形关系，根据此式在理论上能够得到管道泄漏点的重要信息。

Reasonable sructure, good elasticity, large range of compensation pipeline and little counterforce to the brackets of pipeline.

1结构合理，弹性好，补偿管道热胀冷缩范围大，对管道支架的反作用力小。

The hydraulic system is made up of hydraulic pumping station and related oil pipeline, cylinder etc. The oil pipeline is fixed on site.

液压系统是由液压泵站和相关输油管道缸等石油管线是固定的地盘。

MDP/CQG Magnetic-driving pipeline pumps are designed in magnetic-driving technology, and the vertical pipeline pumps lay the foundation for it, the application of which is to solve the problem of conveying of flammable, explosive, severely poisonous, mordant, precious liquids, the viscosity of which is similar to water, and no solid grains in it, and applied to petroleum, chemical engineering, metallurgy, electric power, deckle, food and pharmacy and so on.

MDP/CQG磁力驱动管道泵是在立式管道离心泵的基础上，应用磁力驱动技术组合设计而成，主要特点是利用磁传动器的外磁钢旋转时，磁力线穿过间隙和隔离套，作用于内磁钢上，使泵轴与电动机同步旋转，无接触地传递扭矩。

The calculation method for load and track of the pipeline failures according to the relations between slope and bending deflection of the pipeline system is given.

在对煤气管道的坡度和挠度进行分析的基础上，针对当前国内大中型联合企业煤气净化与输配的实际情况，提出了煤气管道无坡度敷设的前提条件，并给出了根据管道的坡度与挠度之间的关系计算管道事故荷载及跨距的方法。

This paper brought forward some new design schemes based on the principle and signal processing algorithm of velocity detector, and introduced the hardware construction of the velocity detector based on Depolarizer and S3C2410A microprocessor. The high-efficient ARM program of radical 4-FFT was designed according to the architecture characters of ARM core. In the process of code designing, the instruction scheduling and register allocation were controlled subtly, and the fixed-point number's storage format and computing method of float number were provided. Barrel shifter and 5-lever pipeline were fully utilized and the pipeline interlock was avoided.

针对多普勒测速仪的基本原理和信号处理算法提出了新的设计方案，介绍了由多普勒收发前端和三星S3C2410A处理器构成的测速仪的硬件结构；并结合ARM内核设计特点实现了基4时间抽取快速傅里叶变换算法，针对大多数ARM处理器硬件上不支持浮点运算，提出了把浮点数以定点数格式存储和计算的方法，充分利用桶型移位器和5级流水线，避免了流水线互锁问题。

The running characteristic of oil pipeline s injected with depressant and pump operating characteristic are analyzed and an operation optimization model for oil pipeline s is established.

对加降凝剂原油管道的运行参数和泵站的运行特性进行了分析，建立了原油管道的运行优化模型。

This paper analyzes various technical and economic characteristics and technologic calculations for gas transmission pipeline,and takes Luojiazai Depurative Gas Transmission Pipeline as an example,introduces the technical and economic comparison of desiccation project s in detail and proposes a feasible dehydration and desiccation technical project .

分析了各种天然气管道干燥方法的技术经济特点及工艺计算方法，以罗家寨净化气外输管道为例，介绍了其脱水干燥方案的技术经济比选，提出了切实可行的脱水干燥技术方案。

Pipeline stress calculation and Euler formula, as well as the theory of forced convection heat transfer in tube, are used to solve the problem of large deformation and uneven distribution of stress which occurred in thermal pipeline of a power plant.

通过应用管道应力计算方法、欧拉公式以及管内强制对流换热等传热学理论，解决了某电厂热力管道运行中出现的变形过大、应力分布不均的问题。

Moreover,a numerical model of embeded pipeline/soil interaction under complex wave laod is developed, the behavior of pipeline in the liquefied soil is simulated base on finite distortion theory, finaly the influence factors are analysed and a set of conclusions are put forward.

建立了复杂波浪荷载作用下埋置管线与周围土体相互作用的数学模型，并基于大变形理论，对管线在液化土体中的移动进行了模拟，并对影响土体液化和管线在液化土体中行为的因素进行了分析。

The nitrogen removal rate by using succinate and acetate was significantly higher than that by using malate.

以丁二酸盐和乙酸盐作为碳源时，其脱氮效果均要明显好于苹果酸盐作为碳源。

The National Weather Service says a winter storm warning remains in effect for parts of the state .

美国国家气象局称，对于国内部分地区来说，冬季风暴预警仍然有效。