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- This moulder has an exclusive differential all cast iron base construction. 独特设计的全铸铁结构性,彻底展现四面铇的傲世典范。
- Greep resisting nickel and iron base alloys have been linked inexorably with the development of gas turbines. 燃气涡轮发动机的发展同抗蠕变镍基和铁基合金的发展紧密联系在一起。
- Greek-Turkish iron base magnetic material production and sales of products since. 希土铁基磁体材料的生产及产品的自销。
- WT5”,6BZ]In the present paper,the effects of rare earth(RE)and chromium on corrosion of iron base fluxing alloy spray-welding coatings is reported. 本研究着眼于考察稀土和合金成分对铁基自熔合金涂层的耐蚀性的影响,对不同成分的合金涂层进行了三酸一盐的浸蚀试验。
- Pierre,F Bosseket,M Peronnet,et al.Chenmicl reaciviy of iron base substrates with liquid Mg-Zr alloys[J] Acta Mater,200149:653. 张鹏;杜云慧;曾大本;等.;熔铝灰铁坩埚的腐蚀与防护[J]
- The company’s main products cover series of oil impregnated bearing, all kinds of gears and powder metallurgy components including copper baste,iron-copper base and iron base. 公司的主要产品为铜基、铜铁基、铁基、不锈钢等各系列含油轴承、各型齿轮及其他粉末冶金结构件。
- QIN Zhan-yan,CHEN Wen-hua.Friction and wear of multielement co-penetrated layer of iron base P/M materials[J].Powder Metallurgy Technology.1995,13(4):276-181. [5]秦展琰;陈文华.;铁基粉末冶金材料多元共渗层的摩擦与磨损[J]
- The influence of rare earth elements on the carbonitriding layer of iron base P/M materials was studied by means of microscope, EPMA and X ray diffraction. 通过显微组织观察、电子探针及X射线结构分析研究了稀土元素对铁基粉末冶金材料碳氮共渗的影响。
- In this paper,the effects of rare earth(RE) and chromium on the high temperature oxidation resistance of iron base fluxing alloy spray welding coatings is reported. 本研究着眼于用稀土对价格低廉的铁基自熔合金粉末进行改性,以提高其抗高温氧化性能。
- Qualitative comparison of wear resistance between sintered iron base materials in common use has been made with the aims of providing reference for reasonable selection of various materials available. 对部分常用烧结铁基材料的耐磨性进行了定性比较,为合理选用现有各种材料提供了参考。
- The reaction mechanism of NBC-1 non_chromium iron based catalyst is studied through TPD,TPSR and PSR. 通过TPD、TPSR、PSR等手段 ,对NBC -1型铁系无铬CO高温变换催化剂进行了变换反应机理的研究。
- It was found that the capacity of oxygen absorbing increased with the increasing content of iron based deoxidizing a... 随着薄膜厚度的增加,薄膜吸氧量减少。
- The micro structure of iron based P/M oil impregnating antifrication materials includes pearlite, cementite and free graphite . 铁基粉末冶金含油减摩材料的显微组织为珠光体、渗碳体和游离石墨。
- On the basis of the classical martensitic nucleation theory, the activation energy of homogeneous nucleation in iron based alloys were reconsidered. 根据马氏体相变的经典形核理论,重新估算了铁基合金中马氏体均匀形核激活能,研究了激活能与界面能和相变驱动力的关系。
- On the basis of classical nucleation theory,the thermodynamics of martensitic nucleation in iron based alloys was reconsidered. 根据马氏体相变的经典形核理论,重新对铁基合金中马氏体相变的形核过程进行了热力学估算。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- An oxygen absorbing resin was obtained by dispersing iron based deoxidizing agent into PE-LD matrix containing a small fraction of EVOH. 采用铁系脱氧剂、乙烯-乙烯醇共聚物(EVOH)、相容剂和PE-LD,通过双螺杆挤出机制备吸氧母料,将其与适量PE-LD混合经单螺杆挤出机吹塑成吸氧薄膜。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
- On this context, a nucleation mechanism was developed, attempting to explain the origin of martensitic nucleation in iron based alloys. 在动力学研究的基础上,提出了马氏体相变的形核机制。