短期高温预培养可明显提高愈伤组织的产量；
The yield of callus increased apparently by higher temperature preculture for a short time.
结果表明：经预培养的转化愈伤组织中的荧光表达量明显高于未经预培养的转化子；
The results showed that the fluorescence expression of pre-cultured transformed callus was significantly higher than the transformed callus without pre-culture after the infection of Agrobacterium.
研究了微束激光转化法用于棉花感受态萌动胚转化预培养的时间、高渗液对材料的处理等。
The recent advances about laser microbeam in plant transformation of exogenous gene, key techniques and applications are introduced.
研究了微束激光转化法用于棉花感受态萌动胚转化预培养的时间、高渗液对材料的处理等。
The research on manipulating manifold organisms cell alive using a laser micro beam with mechanics effect is reported.
并对超声波处理时间、外植体放置方向、预培养时间、外植体类型、乙酰丁香酮等影响因素进行了优化。
We evaluated the effects of the duration of sonication treatment, length of explant preculture, addition of acetosyringone (AS) and the orientation of the explants during the co cultivation...
预培养组与空黑比较组比较，预培养组肝细胞内MDA露量低落，好异有统钾铺意义（P<0.05）；
Comparing with control group, the MDA of preincubation group was significantly decreased, there were statistical significance (P<0.05).
在过滤灭菌的液体培养体系中研究了甘露醇预培养和诱导培养过程中活性碳和花药密度对大麦花培效率的影响。
Effects of AC and anther density on pollen embryo and callus production and green plant regeneration were studied in a filter-sterilized, liquid-medium culture system.
小麦基因型扬麦158、扬麦10是优良的转化材料，以预培养4天的小麦幼胚为受体，培养力高，再生能力强。
Wheat genotypes Yangmai 158, Yangmai 10 are excellent transformation materials. Wheat immature embryos with 4 days preculture have high tissue culture response and strong regeneration capacity.
试验分两步挂膜：培养箱预挂膜和滴滤塔中挂膜。
Hanging bio-membrane experiment included two steps: in cultivating box and in trickling bio-filter.
这种方法就是教师充分利用写作过程中的预写阶段、写作阶段和修改阶段来全面训练和培养学生的写作能力。
This method is to make full use of the three steps:prewriting, writing and rewriting to cultivate steps:prewriting, writing and rewriting to cultivate the students'overall competence in writing.
预富集培养基成分：含万古霉素，孔雀绿和奶的双效BPW。
Composition pre-enrichment broth: double strength BPW with vancomycin, malachite green, and milk.
经包装获得较高滴度的病毒上清，以共培养的方式感染5-氟尿嘧啶预刺激的小鼠骨髓细胞。
FACS analysis demonstrated that about 25% of murine 5 FU prestimulated bone marrow cells could be infected after cocultivation with producing cells in vitro .
经包装获得较高滴度的病毒上清，以共培养的方式感染5-氟尿嘧啶预刺激的小鼠骨髓细胞。
FACS analysis demonstrated that about 25% of murine 5 FU prestimulated bone marrow cells could be infected after cocultivation with producing cells in vitro .
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