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- The nucleation rates as indicated by induction period are measured. 测定了以诱导时间表示的成核速率。
- W5001 was added in FCC, DCC and reforming gasoline for increasing their induction periods both in laboratory and industry. 在试验室和工业上对催化裂化、催化裂解及重整汽油进行了提高汽油诱导期的试验。
- The induction period elongated as acetone concentraionincreased and temperature decreasd. 随着丙酮浓度的增大或温度的降低,诱导期延长。
- The presence of SDS and CTAB were shown to shorten the induction period, increase the crystallization rate. 考察了两种表面活性剂单独存在时和复配使用时对沸石晶化速率、产品粒度分布的影响。
- The metastable state of dilution of spectinomycin has been studied by both induction period method and direct method. 采用诱导期法和直接法研究了大观霉素溶析结晶的介稳态。新相形成由多核机理控制。
- Results show that the main causes of low induction period of cracked naphtha are the high diene number and low phenol content. 结果表明，二烯值大、酚含量低是加氢渣油催化裂化汽油诱导期短的主要原因。
- Induction period, embrittlement time, molecular weight and tensile strength of photo biodegradable PE film which contain various photo sensitizer systems are studied. 研究了含有不同光降解剂体系的光-生物降解聚乙烯（PE）膜在氙灯辐照下诱导期、脆化时间、分子量及力学性能等的变化规律。
- The optimal concentration of IPTG, which can induce the recombina nt pGEX -2T/ht L-PGDS to express fusion GST/htL-PGDS protein , is 1mmol/L, and the o ptimal induction period is 4h. 用IPTG诱导重组质粒pGEX-2T/htL-PGDS表达的最佳浓度为1 mmol/L;最佳时间为4 h.
- The results showed that the presence of SDS could shorten induction period of nucleation, increase the crystallization rate and decrease the particle size of zeolite 4A with the incr... 结果表明,加入SDS可以缩短4A沸石晶化过程中的诱导期,随着反应混合物中SDS加入量的增大,4A沸石的晶化时间缩短,产物粒度减小。
- GA3 content the decreasing trend in the induction period of adventitious root primordia of mutant of P. tomentosaand and P. dakuanensis and the increasing trend in the expression period. GA3含量在芽变毛白杨和大官杨不定根原基诱导期呈下降趋势，表达期呈上升趋势。
- Aiming at the high content of sulfur mercaptan and short induction period of the naphtha, countermeasures were taken for improving the quality in accordance with the resid FCC char... 针对经常造成重油催化裂化汽油硫醇硫含量偏高、诱导期偏短的问题，结合重油催化裂化生产的具体特点及经验，提出了改善汽油质量的对策，并取得了满意效果。
- The results showed the addition of nucleating agent HC made the crystal grain more fine, shortened the induction period of crystallization and increased the crystallization rate of POM greatly. 结果表明，高摩尔质量羧酸盐类成核剂HC的加入，使POM晶粒细化，结晶诱导期缩短，显著提高了POM的结晶速率。
- In the induction period, that step is represented by the inductance in equivalent circuit while that step in the acceleratory period is described by negative capacitance. 在诱导期,决定步骤可用等效电路中的电感来表示;在加速期,其决定步骤可在等效电路中表示为负电容;到了减速期,负电容转变为正电容并逐渐缩小,直至进入稳定期。
- Alcoholics often suffer from periods of oblivion. 饮酒过度的人常常失去记忆。
- fouling induction period of CaCO3 CaCO3结垢诱导期
- induction period in gum formation (汽油中)胶质生成诱导期
- We have three periods of chemistry a week. 我们一星期三节化学课。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- induction period of polymerization 聚合反应诱导期
