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次生长的英文

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"次生长"怎么读用"次生长"造句

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  • secondary growth

例句与用法

  • In this study , growth of streptomyces griseus in liquid ympd medium was determined by measuring the od560 at the interval of 1 hour
    本研究通过测定菌液的od _ ( 560 ) ,发现并确证了灰色链霉菌存在二次生长现象。
  • The correlation of enzyme - produce and ph was studied too , both varied simultaneously toward the same tendency during fermentation
    通过测定发酵曲线,发现:该菌株有二次生长现象,而且发酵液中的酶活与ph值密切相关。
  • For the ceramic materials , the effects of additives such as pbo , b2o3 , co2o3 , mno2 , cr2o3 , sb2o3 on the electrical properties of bismuth - free zno - glass varistor were studied . the glass phase formed mainly by pbo and b2o3 during sintering process could decrease the sintering temperature , improve grain uniform growth and inhibit grain second growth . nonlinear property could be improved by properly adding co2o3 , mno2 , and cr2o3
    对瓷料而言,系统研究了非bi系zno -玻璃料配方体系中pbo 、 b2o3 、 co2o3 、 mno2 、 cr2o3 、 sb2o3等添加剂对压敏电阻电性能的影响规律,其中, pbo 、 b2o3在烧结过程中形成的玻璃相,可降低烧结温度,促进晶粒均匀生长,抑制晶粒二次长大, co2o3 、 mno2 、 cr2o3做为非线性添加剂,适量添加可提高样品的非线性, sb2o3做为改性添加剂,在烧结过程形成的尖晶石相可细化晶粒,抑制晶粒二次生长,改善样品的综合电性能。
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