With this model, we calculate the railway saturation level, the potential railway demand and the huge railway demand-supply gap of China. 通过这个数学模型,计算出了我国铁路路网长度的饱和水平、潜在的铁路运输需求以及铁路运输中巨大的供需缺口。
The results show that the influence of oil saturation on the membrane potential of shaly sand is not negligible. 在此基础上,通过泥浆电阻率的合理选取,可以增强自然电位测井资料对泥质砂岩储层含油性的定性识别能力。
Saturation Overvoltage Failure and Eliminating Measures for Potential Transformer 电压互感器饱和过电压事故及消除措施
GaN materials have the characteristics of wide band gap, high electron saturation drift velocity, low dielectric constant and good thermal conductivity. They have wide potential application and development in fields of microelectronics and optoelectronics. GaN材料因为其禁带宽度大、电子漂移饱和速度高、介电常数小、导热性能好等特点,在微电子和光电子领域具有十分广阔的应用优势和发展前景。
The NH~+_4N horizontal movement was mainly determined by NH~+_4-N saturation of soil adsorption, and the velocity was controlled by concentration gradient, water potential gradient and soil matrix potential. 各土层的铵态氮水平运移主要由其对于铵态氮吸附的饱和程度来决定,而运移速率主要受浓度梯度、水势梯度及土壤基质势的控制;
Owing to various merits such as high sensitiveness, low saturation magnetic field, quick respondence and high stability, GMI effect shows attractive potential of application in the field of magnetic sensor and it has arose extensive attention among researchers. 由于GMI效应具有灵敏度高、饱和磁场较低、响应较快和稳定性好等优点,使GMI效应在磁传感器领域有巨大的应用前景,因而引起了人们广泛的关注。
Phosphorus saturation degree of soil s on vegetable farms and its effects on soil phosphorus release potential and water quality 蔬菜地土壤磷饱和度及其对磷释放和水质的影响
According to the features of third harmonic excitation and the relationship between harmonic winding induction potential and amplitude coefficient, the text approaches and analyzes the effect of the change of pole field waveform caused by the magnetic saturation ration on the harmonic winding induction potential. 根据三次谐波励磁的特点,以及谐波绕组感应电势与谐波磁场幅值系数之间的关系,探讨分析了磁饱和度对磁极磁场波形的改变,从而对谐波绕组感应电势的影响。
It is concluded that the capacity there is of class ⅲ, which approaches to the saturation value. There is little potential for further exploitation and utilization. 评价结果为新疆的地下水资源承载力属于Ⅲ级,已接近饱和值,进一步开发利用的潜力较小。
Because of the high saturation magnetization, low coercive force and potential values in microwave applications, Fe-N thin films have attracted much attention recently. Fe-N薄膜因其具有高饱和磁化强度、低矫顽力,有望获得较高的微波磁导率,而在集成化微磁器件、抗电磁干扰以及新型雷达波吸收材料研究中受到广泛和高度的重视。
Under the condition of saturation, release rate and potential hazard increases as storage temperature increases. 在饱和状态下,随着存储温度的升高,质量泄漏速率增加,潜在危险性增加。
At low temperatures, taking the quantum saturation of order parameter into account, the standard Landau potential was modified. 低温时,由于序参量的量子饱和,Landau势应加以修正。
An approach to determine remaining oil saturation in waterflooded reservoirs by using comprehensive log data of resistivity, porosity, spontaneous potential and neutron capture gamma ray is presented. 研究了利用电阻率、孔隙度、自然电位和中子伽马等综合测井资料求水淹油层剩余油饱和度的方法。
Due to the wide band gap, high thermal conductivity and large electron saturation drift rate in electrical properties, Silicon carbide is showing great potential and broad market prospects. 碳化硅具有带隙宽、热导率高、电子饱和漂移速率大等优异的电学性能,正展现出巨大的发展潜力和广阔的市场前景,因此近年来对碳化硅的研究非常热门。
GaN has larger bandgap, breakdown voltage, electron saturation velocity which made it have great potential to be applied for high temperature, high power and high frequency electronics compared to traditional Si. GaN作为第三代半导体,和传统的Si相比具有更大的禁带宽度,更高击穿电场、更高的电子饱和速度等优点,使得其在高温,高频,大功率等场合具有令人瞩目的应用前景。
Gallium nitride material has superior physical properties, such as wide bandgap, high saturation electron drift velocity and high thermal conductivity. It has great potential for application in high temperature, high power and microwaves fields. GaN半导体材料具有禁带宽度大、电子饱和速度高、导热性能好等优点,在高温、大功率、微波器件领域拥有很大发展潜力。