On the basis of structure design of optical system and parameter option of optical components, the visibility of interference fringe with zero background intensity is optimized.
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7. 公司主要生产硅铁，硅粒，硅粉，球化剂，孕育剂，脱氧剂，碳化硅，增碳剂，等产品的重点企业。
The company mainly produces ferrosilicon, silicon particle, silica fume, nodulizer, inoculant, deoxidizer, silicon carbide, carbon agent, key enterprises and other products.
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8. 试验表明，铸态铁素体球铁硅含量增加时，脆性转变温度也相应提高。
Test shows that the embrittlement temperature will increase with increase of the Si content.
The secondary particle sphere of xonotlite yielded by konilite is of hollow structure, however, for the carbon white fibrous crystal just stacked densely and balling up is poor.
Adding different alloy combination of re, copper and titanium, then through gestation and nodulizing disposal, we got the fine texture of ferrite pearlite and spheroidal graphite.
The process of in-situ crystallization is that the roasted microparticles in the liquid phase convert into sodium silicoaluminate gel first and then the gels convert into zeolite Y gradually.
By designing composition, adopting rational inoculation and heat treatment process, the elevated temperature hardness of Si-Mn-Mo were 33% more than Si-Mo alloyed ductile iron.
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13. 然而，半中空球对进一步深入研究超细直径硬硅钙石纤维的性能与应用造成很大的局限。
However, hollow structure is harm to the study on the properties and applications of ultrafine xonotlite fibers.
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14. 本文简述了以高炉炼铁所用的酸性铁精矿球团代替钢屑冶炼硅铁的试验过程。
The test process of smelting ferrosilicon using acid iron concentrate pellet which is raw materials for blast furnace iron-making instead of steel cuttings is briefly stated.
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15. 研究了高硅条件下锰对奥贝球铁性能的影响，为该材料的应用提供了试验基础。
In this paper we study the effect of Mn on properties of ADI in condition of high si, and provide the experimental basis for the application of the material.
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16. 研究表明，以莫来石或高岭石为主晶相的铝硅系耐火材料是精铸球铁件的理想选择。
Study has proved that ceramic shell making by Al-Si system refractory materials with main crystal of Mollite or Kaolinite will be the ideal choice for investment casting ductile iron.
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17. 根据高炉要求，加拿大铁矿公司开发了硅含量为1.5%的酸性球团。
Acid pellet with a silica content as low as 1.5% has been developed by iron Ore Company of Canada for blast furnace application.
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18. 研究了硅量和温度对球墨可锻铸铁冲击韧性的影响。
In this article, the influence of silicon content and temperature on impact toughness of malleable nodular cast iron has been studied.
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19. 本公司生产的硅碳球脱氧剂是经精选原料，经破碎、筛分、搅拌、压球、烘干后的产品。
Silicon carbon ball deoxidant is produced by selecting raw materials and processing of brokening, screening, mixing, pressing ball and drying.
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20. 硅相的细化促进了其球化。
The refinement of silicon promotes its spheroidization.
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21. 该球的化学成分有铁、碳、硅、锰、铬、硫、磷。
The chemical composition of said grinding ball comprises iron, carbon, silicon, manganese, chromium, sulfur and phosphorus.
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22. 该球的化学成分有铁、碳、硅、锰、铬、硫、磷。
The chemical composition of said grinding ball comprises iron, carbon, silicon, manganese, chromium, sulfur and phosphorus.
