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球芯
相关语句
  spherical core
     Design of injection mould for combined type neck bush of spherical core of water faucet
     水嘴组合球芯内衬套注射模设计
短句来源
     Cold Extruding Technology of Outer Wear and Spherical Core of Hydraulic Tube Joint for Mine Use
     矿用液压管接头外套与球芯冷挤压工艺
短句来源
  sg core
     Fracture Failure Analysis of High Ni-Cr and SG Core Duplex Roller
     高镍铬球芯热轧辊的断裂失效分析
短句来源
  a kind of ball core
     Development of A Kind of Ball Core Roller
     球芯轧辊及其发展
短句来源
  “球芯”译为未确定词的双语例句
     Investigation and Application Of High Ni-Cr-Mo Chilled Rolls with Nodular Iron Core for Levellers
     高镍铬钼冷硬球芯平整机轧辊的试制与应用
短句来源
     DEVELOPMENT AND APPLICATION OF BELLOWS GLOBE VALVE
     波纹管球芯阀门的开发与应用
短句来源
     PRODUCTION OF THE COMPOSITE ROLL WITH HIGH Ni-Cr-Mo ALLOY CHILLED CAST IRON CASE AND SPHEROIDAL GRAPHITE IRON CORE
     高镍铬钼合金硬面球芯复合铸铁轧辊的生产
短句来源
     Combination with measurement results the material parameters of the golf ball for numerical simulation were determined. The ball core's Yong's modulus is 35MPa and Poisson Ratio is 0.4;
     结合实验结果确定模拟计算的高尔夫球的材料性能参数:球芯弹性模量为35MPa、泊松比为0.4;
短句来源
     One new type patent technical valvebellows globe
     介绍一类新型专利技术阀门——“波纹管球芯阀门”。 这种新型阀门有下述基本类型:BQJ型波球截止阀,BQJ-H型波球截止-止回阀以及改进型波球阀门。
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      spherical core
    The mathematical model of the mechanical system under consideration is presented in the form of a spherical shell, which is wetted by a spherical layer of liquid enveloping a rigid spherical core.
          
    Estimation of the stability limit of a liquid layer on the surface of a spherical core in an electric field
          
    Instability of a charged layer of a viscous liquid on the surface of a solid spherical core
          
    The dispersion relation for the spectrum of capillary waves of a spherical layer of a viscous liquid coating a solid spherical core with a layer of finite thickness is introduced and analyzed.
          
    The solid spherical core and high-viscosity sheath of the particle are concentric to each other.
          
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    This paper surveys a description of the technological features of the washing process which isadopted to eliminate the severe foundry defects of the composite rolls with high Ni-Cr-Mo alloychilled cast iron case and spheroidal graphite iron core. In practice, the carbon content of the outerlayer is limited to a lower percentage, and proper quantity of magnesium is added so as to employan iron of higher silicon content. The pouring process is also improved so as to increase the earlysolidification layer thickness...

    This paper surveys a description of the technological features of the washing process which isadopted to eliminate the severe foundry defects of the composite rolls with high Ni-Cr-Mo alloychilled cast iron case and spheroidal graphite iron core. In practice, the carbon content of the outerlayer is limited to a lower percentage, and proper quantity of magnesium is added so as to employan iron of higher silicon content. The pouring process is also improved so as to increase the earlysolidification layer thickness outside of the roll. Besides, high silicon spheroidal graphite iron is usedas the material washing the roll core. By adopting the above process, one can effectively preventthe formation of hot tears, microflaw, gas bubbles in rolls, and the problem of insufficiency ofdepth of chilled structure is solved throughly. The rate of qualified cast is raised to over 91%.Hardness of roll surface is HS 75-85. The consumption of roll is 2-3kg/t, when2.5-8mm thicknesssteel plate (therein, 2/3 thin plate; 1/3-1/2 alloy steel plate) is rolled. Theoretical analysis on theprominent effect achieved is also described in this paper.

    为了解决高镍铬钼合金硬面球芯复合铸铁轧辊发生的严重铸造缺陷,本文概述了采用冲洗法生产外层为高镍铬钼合金铸铁,中心为高硅球铁冲洗的材质和工艺特点。生产实践中,在外层合金铁控制较低的碳含量,加入适量的镁以提高硅含量;同时改进浇注工艺,以增加外层合金铁的初期凝固层厚度的方法。这种生产方法,有效地克服了轧辊的热裂、发裂、气孔的产生,并彻底解决了白口层不足的问题;铸造合格率达到91%以上,轧辊的表面硬度为HS75~85。热精轧厚度2.5~8mm钢板(其中薄板占2/3,合金钢占1/3~1/2),辊耗为2~3kg/t。文章对取得的效果进行了理论分析。

    Pilling is one of major factors affecting wearability. In the paper, we observed the relationship between abrasion cycles and pill's size, quantity and fibre entanglement density on the 50 / 50 rabbit hair-wool woven fabric with YG502 pilling tester and projection microscope, meanwhile we also studied pilling affecting factors including the height of fuzz, heat-setting, resin finishing agent and softening agent. With microscope , it was found that more than two-thirds fibres in pill were rabbit hair, but...

    Pilling is one of major factors affecting wearability. In the paper, we observed the relationship between abrasion cycles and pill's size, quantity and fibre entanglement density on the 50 / 50 rabbit hair-wool woven fabric with YG502 pilling tester and projection microscope, meanwhile we also studied pilling affecting factors including the height of fuzz, heat-setting, resin finishing agent and softening agent. With microscope , it was found that more than two-thirds fibres in pill were rabbit hair, but core fibres of pill usually were the coarser wool fibres. For considering the total sensation affected by all the pill's size, quantity and fibre entanglement density, we advocated to use a new pilling evaluating index -equivalent area (EA), which was more objective and accurate than former 5 grade classification.The study of pilling process indicated that the critical abrasion cycles for the fabric from fuzz to initial pill formation were 10-20; abrading 20-200 cycles was the stage of pill formating in large quantities; then the rate of pilling decreased; when abrading 1000 cycles, pills began to break off. The rule was described by pilling curve. After the samples were treated with optimum method, the relative variation tendancy of pilling curve almost did not chang, but the absolute value of EA became much smaller.The study of pilling affecting factors indicated that the effect of heat-setting on pilling was not significant, but shearing properly or adding resin finishing agent with a certain concentration would reduce pilling obviously while adding softening agent might increase the chance of pilling. This result is very important to guide manufacturer to treat relationship between shearing, adding resin finishing agent and softening agent and keeping good appearance and handle of the fabrics correctly.

    起球是影响织物服用性能的主要因素之一。本文采用YG502型园轨迹织物起毛起球仪,对50/50兔羊毛机织物进行磨球,并通过投影显微镜观察磨球次数与球体结构形态、球体密度和数量的关系,同时,就起球的影响因素,包括茸毛高度、定型程度、以及化学树脂整理剂及柔软剂进行研究。显微镜观察发现,50/50兔羊毛机织物球体中2/3以上纤维是兔毛纤维,而球芯则以较粗的羊毛纤维为多。为综合考虑球体大小、数量和纤维纠缠密度对感官的影响,提出了起球程度评价指标——等价面积值,其较传统五级分类法更为客观,准确。 对织物起球过程的研究表明,由茸毛转为球体的临界磨球次数为10~20次;磨球20~200次是球体大量形成时期;之后球体形成减少;磨球1000次以后落球开始。此规律可由起球曲线反映。试样经优化处理后,其起球曲线变化趋势基本不变,但绝对值与相对变化率均较原样对应值为小。 本研究显示定形与起球关系不明显;降低绒毛高度、添加一定浓度的树脂对减少起球效果明显,柔软剂的添加则可增加起球机会。此实验结果对生产上正确应用剪毛工艺、树脂和柔软剂添加与保持优良织物外观和手感的关系处理具有重要的指导意义。

    One new type patent technical valvebellows globe

    介绍一类新型专利技术阀门——“波纹管球芯阀门”。这种新型阀门有下述基本类型:BQJ型波球截止阀,BQJ-H型波球截止-止回阀以及改进型波球阀门。波纹管球芯阀门采用了二项新技术设计构思,首先是采用浮动球面阀瓣,其次是采用波纹管替代填料密封。它具有性能优良、操作方便、使用寿命长的显著特点。

     
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