| 1. | It used for casting sand , asbestos heat preservation materials , spheral metallurgy bond 用于铸造型砂石棉保温材料球团冶金粘结剂桩基工程钻井泥浆。
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| 2. | It used for casting sand , asbestos heat preservation materials , spheral metallurgy bond 用于铸造型砂、石棉保温材料、球团冶金粘结剂;桩基工程、钻井泥浆。
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| 3. | During the heating process the fibers of rare earth oxide break and become the spheral particles progressively 在热处理过程中,纤维状稀土氧化物颗粒断裂,并逐步聚集成短棒状或球状。
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| 4. | The tem micrographs of composite powders indicated that the size of particles after electroless plating increased from 10 ~ 20nm to 50 ~ 60nm and the originally granular form changed into spheral - like shape 透射电镜观察表明,粉体颗粒镀覆后粒径由10 20nm增加到50 60nm ,颗粒外观由棱角状变成近似球形,镀覆均匀性较好。
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| 5. | The observation by hrtem indicated that the size of particles coated with ultrasonic radiation at room temperature in alkaline formaldehyde bath was about 50 ~ 60nm . the originally granular form of the nano - al2o3 particles has changed into spheral - like shape . the x - ray analysis showed that the plate was the alloy of co - p 对镀覆后镀液成分的分析表明,反应自发停止的原因是主要由于镀液ph值过低,不能提供反应所需要的足够oh ~ - ,同时也使甲醛还原能力下降所致。
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| 6. | The sucking mouse brain were inoculated with mdj - 01 strain to make electron microscopic examination , results showed that the virus was a spheral particle with membran which had a diameter of about 40 nm . by indirect fluorescent antibody test mdj - 01 strain was identified with tbev . a part of region encoding e protein was expanded by rt - pcr and sequenced . the nucleotide sequences of two strain viruses were compared with sequences in genbankjsequence homology analyses revealed mdj - 01 strain and senzhang strain had the highest homology with tbev oshima5 - 10 , respectively , which were 95 % , 94 % . mdj - 01 strain was identified with tbev again 应用间接免疫荧光试验进行血清学鉴定,结果表明mdj - 01株为tbev 。通过rt - pcr技术扩增部分e蛋白序列并测序,在genbank上进行同源性比较,发现mdj - 01株和森张株与tbevoshima5 - 10株的同源性最高,分别为94 、 95 ,从分子生物学水平上进一步证明mdj - 01株病毒为tbev 。在鉴定的基础上,本实验对两株病毒进行了核苷酸全序列测定。
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