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nucleation 英/ ?nju?kl??e???n / 美/ ?nj?kl??e??n / - 1
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机械工程 成核 Meanwhile,ultrasonic scratching pretreatment was also applied by using diamond powder to enhance diamond nucleation. 当然,用金刚石粉进行超声研磨以提高金刚石 武汉理工大学硕士学位论文 成核密度也是需要的。 协同起晶 Ethanol--ultrasonic Nucleation approach was employed to prepare fructose seeds. The obtained optimal conditions are: supersaturation degree 1.25, ethanol concentration 0.4 ml/g, electric current 0.3 A, ultrasonic treating-time 1min. 首先研究了乙醇——超声波协同起晶法制备果糖晶种的工艺,优化得到的工艺条件为:果糖浆过饱和度为1.25,乙醇对果糖的添加量为0.4 mL/g,超声波频极电流为0.3 A,超声处理时间为1 min。
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能源科学技术 形核 The results indicate that the sites and modes of 8 phase’s nucleation were related to aging temperature. 结果表明,δ相的形核位置和形核方式与时效温度有关。 晶核剂 Different nucleation agents have different effect on crystallization behavior of glass. 不同晶核剂对玻璃微晶化行为有不同的影响。
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Both of the coarse and fine light-weight aggregates in the concrete were natural calcium carbonate nucleations with loose and porous structure. “混凝土”中的轻质粗、细集料是一种组织疏松、多孔的天然碳酸钙结核。
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