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  blowing
     Under vacuum or vacuum argon blowing conditions,the influences of CaO-BaO-Al2O3-TiO2 and CaO-MgO-Al2O3-SiO2-CaF2 slags on denitrogenation from steel were investigated.
     在真空或真空低氩条件下,研究了CaO-BaO-Al_2O_3-TiO_2,CaO-MgO-Al_2O_3-SiO_2-CaF_2渣对钢液脱氮的影响。
短句来源
     COMBINED BLOWING PROCESS FOR 60Si2Mn
     采用复工艺冶炼60Si2Mn
短句来源
     Metallurgical Character of Bottom Blowing CO_2-N_2 Gas in Combined-Blown Converter
     顶底复转炉底CO_2-N_2的冶金特性
短句来源
     The result showed that: at the optional condi tions or:pH=8.5,aeration intensity is 180 m3/(m2·h), the removal rate of NH3- N was 55.6%after 24 h blowing, and the effluent NH3-N concentration could not limit biological treatment.
     试验结果表明:在最佳实验条件下,即pH=8.5,曝气强度为180m3/(m2·h),经24h脱,NH3-N去除率可达到55.6%,出水NH3-N不会对后续生物处理产生抑制。
短句来源
     With slag splashing ratio of top-bottom combined blowing is 50 %, brick consumption is reduced by 0. 7 kg/t, gunning material consumption is reduced by 1. 22 kg/t.
     溅渣护炉条件下复比达50%,炉衬砖消耗下降0.7kg/t,喷补料消耗下降1.22 k/t。
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  blow
     Study on Rubber Blow Molding
     对橡胶塑成型法的研究
短句来源
     Development of Temperature and Pressure System of Blow Molding Based on PCL-818HG
     PCL-818HG的塑温度压力测控系统的开发
短句来源
     Results show that the best results for molten bath stirring are achieved when six-nozzle oxygen lances are selected with included angle being ~17.5° , top blow rate ~30 000 m3/h, bottom blow rate 540 m3/h and the bottom blowing tuyeres being arranged at ~0.52 D and lance position ~1.7 m .
     结果表明,选用6 孔,倾角17.5°氧枪,底枪布置在0.52 D圆上,枪位1.7 m,顶流量为υ氧气,n=30 000 m3/h,底流量为υ氧气,n=540 m3/h时,熔池搅拌效果最好。
短句来源
     The cross air blow speed is 0.37 m/s,air temperature is 25 ℃,air humidity is 75% and the yarn is steady.
     侧风速0.37m/s,风温25℃,风湿75%,丝条稳定;
短句来源
     Application of UGⅡ Software in Design of Blow Mould
     UGⅡ软件在塑模设计中的运用
短句来源
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  blown
     During LF refining,sulphur content in steel further decreases to 0.001%~0.002% by further added 800 kg synthetic slag,blown argon 600~900 L/min,after heating fed 600 m silicon-calcium wire then blown argon 30~45 L/min for 10 min with end slag basicity R = 4.5~5.5.
     在LF精炼时,通过进一步加入合成渣800kg,600~900L/min氩,加热后喂600m硅钙线,30~45L/min氩10min,终渣碱度R=4.5~5.5,钢中硫含量进一步降低至0.001%~0.002%。
短句来源
     [N] was 0.040% and [O] was 0.0158% at end of VOD refining, and the analysis results indicated [N] 0.139% and [O] 0.0033% after nitrogen blown for 45 min in LF with blown nitrogen amount 50 m3with blown nitrogen average yield 33.07%.
     VOD精炼后,[N]为0·040%,[O]为0·0158%; 通过LF氮45min,氮量50m3,分析得出[N]为0·139%,[O]为0·0033%,入氮气平均回收率为33·07%。
短句来源
     In this paper, the behaviors of stainless steel in reduction period in 20 t STB combined blown converter is analysed. A formula is obtained: (%Cr)_s=4.483-7487/T-0.358lg[%Cr]-0.142 lg[%Si]-1.428lg V-0.038lg Q_(Ar).
     本文分析20t-STB复转炉冶炼不锈钢的还原期行为,得到lg(Cr)_s=4.483-7487/T-0.358lg[%Cr]-0.142lg[%Si]-1.428lgV-0.038lgQ_(Ar)。
短句来源
     The Φ5.0~22.0 mm wire coils of 0.35C high strength cold heading steel SCM435 with short-time annealing were produced at Ma'anshan Iron and Steel by hot metal pretreating-50 t top and bottom combined blown converter melting-65 t LF refining-6 strand 140 mm×140 mm billet concasting-SMS high speed wire coil mill control rolling and cooling process.
     马钢采用铁水预处理-50t顶底复转炉冶炼-65tLF精炼-6流140mm×140mm方坯连铸-SMS控轧控冷高速线材轧机工艺流程,生产Φ5.0~22.0mm简化退火0.35C高强度冷镦钢SCM435盘条。
短句来源
     The spring steel 65Mn was produced by 100 t top and bottom combined blown converter melting - ladle furnace refining - 6 strand 150 mm×150 mm billet concasting.
     采用100t顶底复转炉100t钢包炉(LF)精炼6机6流150mm×150mm方坯连铸机生产65Mn弹簧钢。
短句来源
更多       
  boast
     Spring Breezes Boast, Literates Re-recite Poems of Many Authors ——Discussion of Poems of Many Authors
     但得春风如许,学坛重咏千家诗——《千家诗》小议
短句来源

 

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      blowing
    Experimental study of boundary-layer control by blowing on a flat plate at M=2.5
          
    Effect of blowing various gases into the boundary layer on the friction, heat, and mass transfer for a power-law variation of th
          
    Formulas are derived which make it possible to determine the effect of various physical characteristics of the injected and external gases on the blowing coefficient for zero Mach number and a temperature factor of unity.
          
    Considering that the blowing coefficients for heat transfer depend very weakly on the Mach number and the temperature ratio [1], it may be recommended that the formulas obtained for these values be used for other values of these parameters as well.
          
    Blowing coefficient with arbitrary variation of the mass flow rate of the blown gas past a body around which flows a stream with
          
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      blow
    A note on the behavior of blow-up solutions for one-phase Stefan problems
          
    It is proved that when the solution is blow-up in a finite time s(uo), and u0(x) is not a constant, then the free boundary will not be blow-up and the blow-up set is contained in the interval [0,l0).
          
    Moreover, when f(u,t)=u1+μ for some μ>amp;gt;0, every blow-up point is isolated.
          
    The blow-up property for a system of heat equations with nonlinear boundary conditions
          
    This paper deals with the blow-up properties of solutions to the systems ut=Δu,vt=Δv in BRX(0,T) subject to nonlinear boundary conditions , in SRX(0,T).
          
    更多          
      blown
    Flow of a viscous fluid between a fixed disk and a blown rotating disk
          
    Blowing coefficient with arbitrary variation of the mass flow rate of the blown gas past a body around which flows a stream with
          
    The results are given of calculating the base pressure when hydrogen and argon are blown into the base region.
          
    Tangential blowing of gas and surface cooling lead to elimination of the separated zone, for certain levels of blown gas flow rate and wall temperature.
          
    Using a numerical method we investigate the effect of various factors (the Mach number of blowing, the type of blown gas, and the intensity of variation of the pressure gradient) on the stability of the boundary layer up to its separation.
          
    更多          
      boast
    In comparison, psychiatric epidemiology can boast greater scientific rigour in setting standards for population surveys.
          
    Wurzeln ("fakhaza ?to boast? fakhkhadha, fakhadha ?to scatter?") auf zwei unterschiedliche hebr.
          
    Self-learning neural techniques boast the ability to solve hard, ill-defined problems, and hence offer promise for such an application.
          
    A persistent boast of the historical approach to functions is that functional properties are normative.
          
    This paper focuses on two types of "boast words" as they are used in Beowulf.
          
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    A modified method bassd on the Terent'ev method of "active hydrogen" determination has been developed, by means of which both "active hydrogen" and CH3MgI addition can be determined.In this paper the procedure of the method was described in detail and a few examples of determination were given.In comparison with Kohler's method, though this method appears to be less satisfactory in accuracy, it has the advantage that the apparatus is simpler to construct and the determination easier and more rapid to be carried...

    A modified method bassd on the Terent'ev method of "active hydrogen" determination has been developed, by means of which both "active hydrogen" and CH3MgI addition can be determined.In this paper the procedure of the method was described in detail and a few examples of determination were given.In comparison with Kohler's method, though this method appears to be less satisfactory in accuracy, it has the advantage that the apparatus is simpler to construct and the determination easier and more rapid to be carried out.

    作者根据测定活泼氢的方法,在仪器及操作程序上加以改进,使这个方法能够同时用来测定CH_3MgI试剂的加成。本文详细地描述了这一改进方法并且给出几个测定的结果。与Kohler方法相较,这个方法虽然准确度稍差一些,但所用玻璃仪器易於制,操作程序也比较简便。

    The Austausch coefficient may be obtained by wind structure. 1902 Ekman established the wind spiral theory in the friction layer. From the observed wind spiral, we may calculate of the Austausch coefficient by this theory. 1952 considered effect of the change of pressure field with height; i. e. the thermal wind effect, and found excellent results. But, Formula holds only for the condition in the stationary current flow, or in the stationary temperature pressure field and uniform temperature pressure gradient.In...

    The Austausch coefficient may be obtained by wind structure. 1902 Ekman established the wind spiral theory in the friction layer. From the observed wind spiral, we may calculate of the Austausch coefficient by this theory. 1952 considered effect of the change of pressure field with height; i. e. the thermal wind effect, and found excellent results. But, Formula holds only for the condition in the stationary current flow, or in the stationary temperature pressure field and uniform temperature pressure gradient.In this paper, we consider the unstationary effect, as calculating the Austausch coefficient in the friction layer, and obtain a more general formula. Under some special constrains, it tends to be the or Ekman's formula. Then, this formula may be more accurate in calculation and more wide in application.Some calculations based on observed data by using these three different formulas are presented and compared.

    摩擦层中湍流系数,利用风标的分布,可以测定之。1902年,爱克曼创立了摩擦层中风标螺线,利用风标螺线,可以测定摩擦层中的湍流系数。1953年,莱赫特曼考虑了气压场随高度的变化,即热成风的因素,获得了良好的结果。但是,莱赫特曼公式之应用,只限定于恒态流,或恒态均匀温压场的条件之下,方能准确使用。这样是在一般情况之下难以满足的。关于摩擦层非恒态问题,1947年赵九章、裘碧克曾经讨论过。本文仅就非恒态湍流系数测定问题予以进一步探讨。并得到了较有广泛意义之公式。而莱赫特曼公式,系属温压场恒态,温压场中温度、压力梯度在均匀情况之下,该公式之特解。爱克曼范式,系属气压场稳定,温度梯度恒态为零时,该公式之特解。这样,该公式的计算,使得湍流系数测定工作精确化和广泛化。 最后,本文作了一些实际资料的计算与分析,和讨论在自然环境中湍流系数的变化。

    Bath reactions during the oxidizing period of electric-furnace steelmaking withinjection were studied. It is found that,under favourable conditions,a rate of carbon removal ofabout 0.015—0.020%C per minute(that of the normal smelting with ore beingaround 0.005% C per minute only)may be obtained;(FeO)and[O]decreasesignificantly and approach to equilibrium with[C]during the oxidizing period,andthe decrement of[O]increases proportionately with the increase of the rate ofcarbon removal.Dephosphorization during the...

    Bath reactions during the oxidizing period of electric-furnace steelmaking withinjection were studied. It is found that,under favourable conditions,a rate of carbon removal ofabout 0.015—0.020%C per minute(that of the normal smelting with ore beingaround 0.005% C per minute only)may be obtained;(FeO)and[O]decreasesignificantly and approach to equilibrium with[C]during the oxidizing period,andthe decrement of[O]increases proportionately with the increase of the rate ofcarbon removal.Dephosphorization during the oxidizing period is found to be rather ineffective,the average[P]removed amounts to about 0.004% only.With a supplementaryoperation of dephosphorization during the melting period,[P]can be reduced toless than 0.015% at the end of oxidizing period.However,the dephosphorizationmechanism in the case of the oxygen smelting is still not yet clear.

    研究了电炉氧冶炼氧化期的熔池反应。观察到:在良好的操作情况下,氧冶炼的脱碳速度可以达到0.015—0.020%C/分钟(矿石冶炼的只有0.005%C/分钟左右);氧过程中,(FeO)和[O]显著降低并与[C]趋近平衡,[O]的减少量与脱碳速度间有直线关系。并注意到氧冶炼氧化期脱磷效果较差,平均脱磷量仅为0.004%左右;采用熔化期脱磷操作后,氧化期末[P]可以降低到小于0.015%。至于氧冶炼的脱磷过程,目前还不完全了解。

     
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