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提高     
相关语句
  improving
    Measures of improving the grinding quality of bed ways
    提高床身导轨磨削质量的措施
短句来源
    Research on Improving the Copying Accuracy of the CE7112 Type Hydrulic Pressure Copying Lathe
    提高CE7112液压仿形车床仿形精度的研究(Ⅱ)
短句来源
    Measures of improving the grinding quality by using precision spisindle
    提高精密主轴磨削质量的措施
短句来源
    PROMOTE TECHNOLOGY BY IMPROVING QUALITY AND MINIMIZING CONSUMPTION
    提高质量降低消耗推动技术进步
短句来源
    SOME PROBLEMS of IMPROVING the GRINDING ACCURACY on PLAIN CENTERLESS GRINDING MACHINES
    普通无心磨床提高磨削精度的几个问题
短句来源
更多       
  increase
    STUDY ON THE EFFECT OF QUENCHING BY RESIDUAL HEAT TO INCREASE THE PHYSICAL PROPERTIES OF 35Si2V REINFORCING BAR STEEL
    35si2V钢筋余热淬火提高性能的研究
短句来源
    ADOPTION OF QUALITY HIGH STRENGTH RAILS TO INCREASE RAILWAY CAPACITY
    采用高强度优质重轨提高铁路运输能力
短句来源
    Measures to Increase the Accuracy of Machine tool Spindle Part
    提高机床主轴部件精度的措施
短句来源
    Measures to increase service life of work roll bearing in strip mill
    提高板带轧机工作辊轴承使用寿命的一些措施
短句来源
    Study of Increase in Dimensional Stability of ZL110 Alloy Pistson
    提高ZL110活塞体积稳定性的研究
短句来源
更多       
  enhancing
    ENHANCING RATIO OF QUALIFIED W16MnRQ STEEL BY UlTRASONIC FLAW DETECTION
    提高W16MnRQ超声波探伤合格率
短句来源
    Increasing the amount of M7C3 and M23C6 carbides and enhancing the micro-hardness of M7C3 are major reason of increasing hardness and decreasing impact toughness of the cast iron.
    M7C3和M23C6数量的增加以及M7C3显微硬度的提高,是提高铸铁硬度和降低韧性的主要原因。
短句来源
    Measures of Enhancing Utilization of Circulation Water in a Steel Rolling Mill
    轧钢厂提高循环水利用率的措施
短句来源
    ENHANCING THE EQUIPMENT LEVEL OF NARROW STRIP HOT ROLLING MILL
    热轧窄带钢轧机装备水平的提高
短句来源
    STUDY ON ENHANCING WIRE DEPOSITION RATES
    提高焊丝熔敷率的试验研究
短句来源
更多       
  heighten
    The New Process to Heighten Passivating-film Binding Force of Galvanized Part
    提高镀锌件钝化膜结合力的新工艺
短句来源
    Heighten Working Accuracy of Machine Tool Spindle Bearing
    提高机床主轴轴承的工作精度
短句来源
    Protective result will heighten when the C_2H_2F_4 mixed gases have 50% CO_2. The costs using C_2H_2F_4 mixed gases is near to the costs using SF_6 mixed gases.
    在混合气体中加入50%的CO_2,保护效果也有所提高
短句来源
    The performance of room temperature is studied and reported about 4Cr5MoSiV1 steel’s quenching and high tempering The high tempering stability of 4Cr5MoSiV1 steel may heighten when one’s quenching temperature is heightened to make an increase of carbon and alloying metal volume in austenite There is a peak value of two precipitation hardened and, it can achieve enough plasticity and toughness about 4Cr5MoSiV1 steel quenched at 600℃ high tempering
    适当提高4 Cr5 M o Si V1 钢的淬火加热温度, 使奥氏体中溶碳及合金元素量增加, 可以提高钢的高温回火稳定性。 4 Cr5 M o Si V1钢淬火后600℃高温回火, 达二次弥散硬化峰值, 并获得足够的塑、韧性配合。
短句来源
    Through analyzing the mechanism of inclined teeming and applicat ion in some steel casting shows that this casting process may heighten manufac ture rate by10~20%.
    通过对倾斜浇注机理的分析及倾斜浇注在铸钢件上的应用实例,说明采用倾斜浇注工艺在某些铸钢件上可以提高工艺出品率10%~20%。
短句来源
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      improving
    We define a class of summation operators with applications to the self-improving
          
    Two approaches to improving the consistency of complementary judgement matrix
          
    Thus the methods supplement and develop the theory and methodology for improving consistency of complementary judgement matrix.
          
    The impact of different interference substrate materials for improving the color travel effect was studied, and the influence of white and black background on the hue and the color travel effect were studied.
          
    It can reduce synchronous error and impact of spectral leakage; thereby improving the accuracy of spectral analysis and harmonic measurement for power system signal where frequency changes slowly.
          
    更多          
      increase
    The popularity of PSWFs seems likely to increase in the near future, as band-limited functions become a numerical (as well as an analytical) tool.
          
    All the eleven derived models were further optimized using the PLS region focusing tool to increase the model resolution which led to eleven more models.
          
    Most of the compounds increase the cAMP content of CHO cells expressing the human A1-adenosine receptor, indicating an antagonist activity.
          
    QSAR reveals that if partition coefficient, connectivity index, and shape index of these molecules are altered, the activity is likely to increase.
          
    Hyperlipidemic rats displayed a reduction of the intestinal glutathione level and an increase in intestinal lipid peroxidation levels, and in serum cholesterol, total lipid and phospholipids levels.
          
    更多          
      enhancing
    Increased inhibitory effect of methanol extracts over berberine demonstrates the occurrence of other cytotoxic principles along with main active principle berberine or other factors enhancing the cytotoxic effect of berberine.
          
    In NQGA, a novel approach for updating the rotation angles of quantum logic gates and a strategy for enhancing search capability and avoiding premature convergence are adopted.
          
    The mechanism of AM fungi in enhancing drought resistance of host plants ascribed to greater osmotic adjustment and greater absorption area of root system by AM colonization.
          
    Aimed at enhancing the research status of parallel machine tools, this paper introduces the structure of a 6-SPS parallel machine tool and explains the application significance of the kinematic simulation of the manufacturing process.
          
    Thus enhancing machining and assembling precision is an important method to enhance the precision of the mechanism.
          
    更多          
      heighten
    The analysis of the generalized property and sample error shows that the ECA can heighten the study speed and reduce individual error.
          
    The results indicate that work can reduce the negative effects of some forms of marital stress, but that work does not relieve or heighten stress arising from the childcare role.
          
    On the other hand, the higher prevalence of HBsAg and anti-HCV antibodies in this sub-population should heighten the awareness of the possibility of chronic liver pathology.
          
    The article ends with a series of structural reforms that enunciate and seek to heighten these contradictions.
          
    Through its temporal reordering, Memento attempts to provide the audience with an experience analogous to Leonard's and thus heighten our understanding of how memory makes us human.
          
    更多          


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    本文叙述和讨论了沸腾钢和铁静钢钢三中板机械性能的系统研究和初步生产试验的经过和结果. 在初步生产试验中,证明了控制加工温度、压下规程、冷却速度和进行低温回火可以提高钢三中板的机械性能和冷弯性能. 在系统的研究中,找出了钢三中板的机械性能和冷弯性能与其显微结构和晶粒度之间的关系,以及进一步了解了原始奥氏体晶粒度和冷却速度对於成品的显微结构和晶粒度的影响.如果原始奥氏体晶粒很大(1号或以上),则成品的晶粒也很粗大,且易生成魏氏组织,对降伏强度和冷弯性能都有不良的影响;反之,如果奥氏体晶粒细小(6号或更小),则易生成细小均匀和等轴的成品晶粒,提高了成品的机械性能和冷弯性能;在相变期间冷却速度过低便易生成带状组织,对各种机械性能和冷弯性能都有不良的影响. 在系统的研究中并着重研究了奥氏体晶粒度在热加工过程中所发生的变化.实验结果指出,钢三的奥氏体晶粒经过加工后发生细化,但随着保温时间的增加又重新长大.奥氏体晶粒细化的程度主要决定於未加工前的晶粒大小和加工量,长大的程度则主要决定於保温时间、加工量和温度.因此在多次重复的热加工过程中,各次的加工量对於细化奥氏体晶粒便有了积累作用.每次加工之间的间...

    本文叙述和讨论了沸腾钢和铁静钢钢三中板机械性能的系统研究和初步生产试验的经过和结果. 在初步生产试验中,证明了控制加工温度、压下规程、冷却速度和进行低温回火可以提高钢三中板的机械性能和冷弯性能. 在系统的研究中,找出了钢三中板的机械性能和冷弯性能与其显微结构和晶粒度之间的关系,以及进一步了解了原始奥氏体晶粒度和冷却速度对於成品的显微结构和晶粒度的影响.如果原始奥氏体晶粒很大(1号或以上),则成品的晶粒也很粗大,且易生成魏氏组织,对降伏强度和冷弯性能都有不良的影响;反之,如果奥氏体晶粒细小(6号或更小),则易生成细小均匀和等轴的成品晶粒,提高了成品的机械性能和冷弯性能;在相变期间冷却速度过低便易生成带状组织,对各种机械性能和冷弯性能都有不良的影响. 在系统的研究中并着重研究了奥氏体晶粒度在热加工过程中所发生的变化.实验结果指出,钢三的奥氏体晶粒经过加工后发生细化,但随着保温时间的增加又重新长大.奥氏体晶粒细化的程度主要决定於未加工前的晶粒大小和加工量,长大的程度则主要决定於保温时间、加工量和温度.因此在多次重复的热加工过程中,各次的加工量对於细化奥氏体晶粒便有了积累作用.每次加工之间的间隔时间愈短,积累作用也就愈显著.如果在轧钢过程中,缩短了各道次之间的间隔时间。增加了压下率,並在停轧后使钢板迅速冷却到相变点,便可能得到转变前的细小的奥氏体晶粒.

    Experiments were carried out with the purpose of shortening the reducingperiod in small basic electric furnace for carbon steels of various carbon content.In some of the experimental heats reducing period was shortened by 20 mi-nutes and the others were made according to the normal procedure of the works.For some of the low carbon steel heats,the amount of ferro-silicon powder wasincreased by 20% and added in advance.The results,obtained from heats of shorterreducing period,show that the deoxidation and desulphurization...

    Experiments were carried out with the purpose of shortening the reducingperiod in small basic electric furnace for carbon steels of various carbon content.In some of the experimental heats reducing period was shortened by 20 mi-nutes and the others were made according to the normal procedure of the works.For some of the low carbon steel heats,the amount of ferro-silicon powder wasincreased by 20% and added in advance.The results,obtained from heats of shorterreducing period,show that the deoxidation and desulphurization appear to be ascomplete as that of a normal heat,the content of nitrogen and non-metallic in-clusions being much less.In addition,the results on mechanical properties showthat in the case of medium carbon steel,the impact value is higher,and in thecase of low carbon steel the percentage of elongation and the rate of reductionof area are also slightly superior although the yield strength becomes somewhatlower.Such a shortening of reducing period also results in a 7% increase ofthe rate of production.It is suggested that in electric steel smelting process theappropriate deoxidation procedure and the length of reducing period should varyin accordance with different carbon content of the steel.A relationship of[S]/[O]=1.2—2.2 at the end of reducing period was ob-served,and the possibility of further shortening of the reducing period in makingmedium and high carbon steel was also pointed out.

    在装料量为8吨的小型电炉上进行了冶炼各种碳钢的缩短还原期的研究。还原期缩短到70分钟(低碳钢冶炼中还增加矽铁粉加入量和提早加入时间)的结果是:脱氧、脱硫符合要求,钢中非金属夹杂物和氮的含量显著减少,并提高炉子生产率约7%。从而指出了以电炉冶炼碳钢时还原期的时间和脱氧制度应按钢中碳含量的不同而有所区别。并指出中、高碳钢冶炼中还原期缩短到50分钟左右的可能性。此外还观察到还原期末[S]/[O]=1.2—2.2的关系。

    The decomposition of δ-ferrite at 750°,850° and 950℃ in quenched 18/8/3/1Cr-Ni-Mo-Ti stainless steel specimens has been studied microscopically,thetransformation products being electrolytically extracted and identified by X-raydiffraction method.At early stages of decomposition accicular austenite forms along certaincrystallographic planes of δ-ferrite.As a result,the remaining ferrite becomesenriched in Cr,Mo and impoverished in C,Ni,Mn,and was found to transformsubsequently to sigma which begins after heating...

    The decomposition of δ-ferrite at 750°,850° and 950℃ in quenched 18/8/3/1Cr-Ni-Mo-Ti stainless steel specimens has been studied microscopically,thetransformation products being electrolytically extracted and identified by X-raydiffraction method.At early stages of decomposition accicular austenite forms along certaincrystallographic planes of δ-ferrite.As a result,the remaining ferrite becomesenriched in Cr,Mo and impoverished in C,Ni,Mn,and was found to transformsubsequently to sigma which begins after heating for 5-6 minutes at 850℃.Precipitation of titanium carbide first occurs in the ferrite grains,later itmakes appearance along the ferrite-austenite interphase boundaries and along thetwinning planes within the austenite grain.The precipitation of titanium carbideseems to have no appreciable effect on the sequence of decomposition of δ-ferrite.The impact value of the steel was found to decrease very markedly before thecommencement of the δ→σ transformation and it is considered that this mightbe associated with the titanium carbide precipitation.

    应用金相法研究了18/8/3/1 Cr-Ni-Mo-Ti不锈钢经1300℃固溶处理后在950℃,850℃及750℃恒温分解初期金相组织的变化,并用电解分离及X射线衍射方法鉴定在不同恒温分解阶段δ-铁素体分解的产物。观察到由于提高了固溶处理温度,高温固定下来的铁素体极为不稳定,在分解为奥氏体的同时有TiC的沉淀出现。当δ→γ的转变,由于Cr,Mo等合金元素的偏聚不能继续进行时,才发现残留的δ-铁素体转变为σ-相。过去一般认为18/8型不锈钢在550—1000℃保温后,室温冲击靭性的降低是由于σ-相的沉淀所引起的,试验结果指出在σ-相出现之前,钢的冲击靭性已显著下降,这种现象可能与δ-铁素体分解初期TiC的沉淀有关。

     
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