Environmental Endocrine Disruptors and Advanced Puberty Timing 环境内分泌干扰物与青春发动时相提前
For engine performance, more advanced spark timing can be applied at high load for DMF to achieve better efficiency, but generally, DMF has similar fuel consumption to gasoline. 当使用DMF作为点燃式发动机燃料时,可以在高负荷采用更为提前的点火时间以获得更好的热效率,但总的来讲其等效油耗与汽油差别不大;
It introduces some advanced technologies which increase the charging efficiency, such as the variable length of the intake duct, the variable valve stroke, the variable valve timing and so on. 介绍了可变进气道长度、可变气门升程及可变气门定时等提高充气效率的先进技术。
Because of using advanced FPGA and synchronized timing, this design has good flexibility and stability. 设计采用先进的FPGA芯片和可靠的同步设计,具有很好的灵活性和稳定性。
After an overall reformation, Supply engineering has been equipped with advanced equipments and facilities, and high degree of automation, so, it is timing and necessary to conduct this research in the operation of the engineering. 在系统进行全面改造后,供水工程的设备设施先进、自动化程度高,因而有条件也有必要进行优化调度应用方面的研究。
With advanced pilot injection timing or increased air temperature, the maximum pressure, the heat release rate and the temperature in cylinder increase. 最大爆发压力、最高燃烧放热率和最高燃烧温度随引燃柴油喷油提前角的增大而升高;
Some changes of the excessive air ratio and ignition advanced timing after adding hydrogen, combustion pressure variation and some problems on economic performance and hydrocarbon and carbon monoxide emission are investigated in this paper. 本文就加氢后的汽油机过量空气系数、点火提前角的变化、燃烧过程的循环压力变动、发动机的经济性及HC和CO排放问题进行了研究。
Some factors such as air/ fuel ratio, ignition advanced angle, compression ratio, valve timing and transmission ratio, which affect the fuel economy of modern car gasoline engines have been studied in depth and the corresponding experiments have been done. 对影响现代轿车汽油机燃油经济性的诸因素,如:空燃比、点火提前角、压缩比、配气相位以及传动比等参数进行了深入的研究及相应的试验。
The advanced diesel-fuel hydrotreating technology was introduced, The technology was domestic developed and already be triumphantly industrial applied, affords the vigorous and timing technology sustainment to produce the high quality diesel-fuel for the enterprise, increased the enterprise's economical and social benefit. 介绍了国内开发并已经成功工业应用的先进柴油加氢工艺,为企业生产高质量清洁柴油提供适时有力的技术支撑,增加了企业的经济和社会效益。
PWM timing is the most advanced one among all 3-phase asynchronous motor timing methods. PWM调速是当前三相异步电动机调速中最有前途的一种方法。
Using advanced traffic signal control techniques to optimize the signal timing is an effective way to improve the existing road network capacity. 采用先进的交通信号控制技术,进行优化信号配时,是提高现有路网的通行能力的有效途径。
Imaging examination revealed abnormal usually means advanced disease, patients may lose the early timing of surgery. 而影像学检查发现异常时通常已到了疾病中晚期,失去了早期手术的时机。
The advanced ignition timing could result in higher fractal dimension because of the advanced combustion phase and stronger turbulent motion. 提前火花点火时刻由于可以获得更早的着火时刻和更强的湍流运动使得其燃烧过程中分形维数较大。
With the increase of the biodiesel and ethanol components in the BED multi-component fuel, the peak heat release rate in the main injection phase increased firstly and then decreased as the main injection was made in advanced timing. 随着掺混生物柴油和乙醇比例的增加,主喷阶段放热率峰值随着主喷定时的提前,出现先增大后减小的趋势。