多射

  • 网络horci;Horchi
多射多射
  1. 关系、多射、等价分类方法(Ⅱ)

    A Method of Relationship , Poly mapping and Equivalence Partition (ⅱ)

  2. VSOP还不适合于频繁改变观测对象,所以无法提供针对多个射电源的观测量,而这正是大地测量和地球动力学所需要的。

    Also , VSOP cannot frequently change observing object , hence it cannot supply more observations to many quasars , which are required for geodesy and geodynamics .

  3. 应用位移技术改善多叶准直器射野的矩齿状边缘

    The Shift Technique for Smoothing The Dentate Edge of Multileaf Collimator Field

  4. 超音速多喷嘴引射器式反循环钻头研究

    The research of supersonic multi-nozzle ejector reverse circulation bit

  5. 开发了一种新型的大负荷多喷嘴引射式红外辐射燃烧器。

    This peper introduced a new-type of infrared radiant burner with large heat output .

  6. 多喷管引射器的性能分析

    Performance Analysis of a Multi Nozzle Ejector

  7. 多喷嘴引射器性能计算模型

    Multiple nozzle ejector performance calculating model

  8. 多喷嘴引射混合式加热器加热性能的试验研究

    Heating Performance of Multi-nozzle Ejecting-mixing Heaters

  9. 为了控制尺寸,还首次将多喷嘴引射方式与等压混合结合起来。

    In order to control ejector size , the multi-nozzle type and the constant-mixing ejector are integrated .

  10. 模拟分析了不同叠加角度条件下的多周期熔射成形过程并与实验结果进行了比较。

    The forming processes with different path overlapping angles are analyzed and compared with the experiment results .

  11. 应用气体动力学原理,推导了超音速多喷管引射器引射系数的计算公式。

    A formula for calculating the ratio of secondary flowrate to primary flowrate of the supersonic multi nozzle ejector is deduced by using aerodynamics .

  12. 针对编队的区域防空,分析了我方雷达照射具资源约束条件,研究多目标对照射具资源需求冲突问题。

    A decision-tree approach to solve resource allocation problem is presented for multi-targets , under radar illuminator scheduling solutions are constrained to naval formation anti-air battle .

  13. 对多喷嘴引射混合式加热器的加热性能进行了试验研究,分析了工作流体压力和引射孔结构对引射混合式加热器的出口温度、引射系数以及加热效率的影响。

    The influence of the working fluid pressure and the structure of ejecting nozzle on the outlet temperature , ejecting coefficient and heating efficiency of the ejecting-mixing heater were analyzed .

  14. 通过气水合采机理分析,结合气藏气水分布特征,提出采用多井同时射开气水层排水采气,有利于提高气藏开发效果。

    Based on the mechanism of gas-water recovering and the distribution of reservoir gas-water , we present that it is favorable for gas reservoir to develop drainage gas recovery by perforating gas-water layers simultaneously .

  15. 本文通过对多脉冲引射排气系统和定压增压排气系统的模拟计算,研究了高背压和高真空环境条件下废气涡轮增压柴油机的排气系统的适应性。

    In this paper , the adaptability of exhaust systems for turbocharged engine with multi-pulse exhaust system or constant pressure exhaust system , under high exhaust back pressure and high inlet vaccum conditions is investigated .

  16. 它主要通过线性排列的多喷头发射脉冲水射流冲击靶物,并由相应的传感器采集反射声信号处理,实现靶物的准确识别与分类。

    It is mainly through multiple nozzles of linear array which shoot pulse water jet to impact target material . And use the corresponding sensors to collect and process the reflected sound signal to achieve accurate identification and classification of the target material .

  17. 单级超声速多喷管中心引射器的性能研究

    Study on the characteristics of one-stage supersonic multi-nozzle central injector

  18. 完井污染状态下,射孔深度大于污染表皮半径时,射开多个短孔比射开一个长孔的开发效果要好。

    When total length of perforation must , perforating a long hole is better than perforating several short holes .

  19. 对高效率的超声速多喷管中心引射器的特点进行了介绍,并在理论上提出了这种引射器的计算方法和结构参数设计原则。

    The characteristics of high-efficiency supersonic multi-nozzle central injector are , introduced and Their calculation method and design principles of structural parameters are put forward theoretically .

  20. 多通道水汽引射器是一种利用低参数蒸汽的余热加热水或其他介质的设备。

    The utility model relates to a device , in particular to a multichannel vapor ejector which can utilize the residual heat with low-parameter to heat water or other medium .

  21. 以充分的实验数据和曲线证明:与超声速环形引射器相比,超声速多喷管中心引射器的效率高,结构紧凑,噪声小。

    Through adequate test data and curves , it is indicated that , compared with supersonic annular injectors , these injectors have the features of high efficiency , consistent structure and low noise .

  22. 主要考虑了以下3个问题:(1)通过将正则序类理论态射φ延拓为多类型理论态射,得到了模型函子()·和()都与φ可交换的结论;

    The following three conclusions are found : ( 1 ) By regular order-sorted theory morphism being deduced to many-sorted theory morphism , both model functors ( )· and ( ) # being commutative with φ have been proved ;

  23. 它是我国南方夏季作业、军事训练和作战等情况中的常见病和多发病,热射病是其中最严重的一型,死亡率高达17&80%,一旦发生,病程十分凶险,生还可能性极小。

    It is divided into three types in which heat stroke is the most seriously that is one of the most familiar and frequently-occurring diseases in the exercises 、 military training and campaingn of southern parts of china in summer .