说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> τ-挠模
1)  τ-torsion module
τ-挠模
2)  torsion τ
挠率τ
3)  τ-torsion injective hull
τ-挠内射包
1.
Introduce the corresponding concepts of cover and hull through Q gets the properties of τ-injective,τ-projective,τ-divisible and τ-codivisible,discuss the properties of τ-torsion injective hull, τ-torsion projective cover,τ-torsionfree divisible hull and τ-torsionfree codivisible cover, τ-injective hull E_τ(M) is characterized by using them.
讨论τ-挠内射包,τ-挠投射盖,τ-挠自由可除包和τ-挠自由余可除盖的性质,并利用它们刻画了τ-内射包Eτ(M)。
4)  τ-torsion projective cover
τ-挠投射盖
1.
Introduce the corresponding concepts of cover and hull through Q gets the properties of τ-injective,τ-projective,τ-divisible and τ-codivisible,discuss the properties of τ-torsion injective hull, τ-torsion projective cover,τ-torsionfree divisible hull and τ-torsionfree codivisible cover, τ-injective hull E_τ(M) is characterized by using them.
讨论τ-挠内射包,τ-挠投射盖,τ-挠自由可除包和τ-挠自由余可除盖的性质,并利用它们刻画了τ-内射包Eτ(M)。
5)  τ-torsionfree divisible hull
τ-挠自由可除包
1.
Introduce the corresponding concepts of cover and hull through Q gets the properties of τ-injective,τ-projective,τ-divisible and τ-codivisible,discuss the properties of τ-torsion injective hull, τ-torsion projective cover,τ-torsionfree divisible hull and τ-torsionfree codivisible cover, τ-injective hull E_τ(M) is characterized by using them.
讨论τ-挠内射包,τ-挠投射盖,τ-挠自由可除包和τ-挠自由余可除盖的性质,并利用它们刻画了τ-内射包Eτ(M)。
6)  X-τ model
X-τ模型
1.
Based on A/F control accuracy of a SI engine in transient conditions,the experiment has been carried out to calibrate the X-τ model parameters of fuel dynamics characteristics phenomenon in a gasoline engine inlet duct with FAI EFI system,the influence of inlet duct temperature,engine rotation speed and load on X-τ model parameters has been analyzed.
针对汽油机过渡工况的空燃比控制精度问题,对装备FAI电喷系统的汽油机进气道内燃油动态特性现象学模型(X-τ模型)参数进行了标定,并分析了进气道温度、发动机转速和负荷对模型参数的影响。
补充资料:凹模、凸凹模工作型面加工工艺过程
1)备料。 n
    2)锻造。锻成长方形的坯料(每件留长工艺夹头)。 n
    3)热处理。退火。   n
    4)铣(刨)削。铣(刨)削六面成长方形模块。 n
    5)磨削。磨削上、下两端面及相邻两侧面,用90。角尺测量相邻两面的垂直度。 n
    6)钳工加工。用平板和划线盘按图划线,并打样冲眼;用钻头钻螺纹底孔;用圆柱销孔的预孔;用钻头钻挡料销让位孔;用钻头在中心处钻穿丝孔等;正、反面孔口倒角;凸凹模用钻头孔扩,保证刃口高度;攻螺纹;铰孔。n
  7)铣削。平口钳装夹工件;用的立铣刀铣削型孔至尺寸,保证深度。 n
   8)热处理。凹模工件淬硬至HRC60~64,凸凹模工件淬硬至HRC58~62。 n
   9)平磨。磨上、下两端面及相邻两侧面,用90。角尺测量相邻两面的垂直度至图要求;退磁。 n
   10)线切割。按图编制线切割程序,切割模型孔成形,留单面研磨余量0.005 mm。 n
   11)钳工加工。研光线切割面: n
   12)检验。 n复合冲裁模的装配应选择凸凹模作为装配基准件,先装下模部分,后装上模部分
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条