选择合适的水稻花培起始材料，选用适宜的培养基配方，对于水稻花培中愈伤组织诱导和分化至关重要。
It was important for callus induction and shoot differentiation to choose better starting materials and a suitable medium in rice anther culture.
本文从起始材料的筛选、选择压力、离体诱变技术、突变体鉴定等方面对近年来我国蔬菜抗性突变体离体筛选技术研究进展进行了综述。
The progress in technique of in vitro selection for resistant mutant such as choosing of cultured material, stress factors and mutagens were reviewed in this paper.
用天然氨基酸为起始材料，合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。
Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.
任何再加工的材料应满足起始规格，质量控制小组对材料有适当的处理(放行或拒绝)。
Any reprocessed material has met its original specification and the Quality Control Unit has appropriately dispositioned the material (release or reject).
小麦基因型及转化材料的起始生理状态是影响TDNA转移的重要因素。
The genotypes and the state of a suitable starting material were shown to be important in the competence for T DNA transfer.
我决定制作一个适合于这种环境的洗手间，并在传统小屋之下，用柔软得像布一样得材料制成弯曲表面，隔开空间，使洗手间成为走道的起始点。
I decided to make the toilet adapted tosuch surroundings and make it be the starting point of a walk by partitioningthe space with curved surfaces as softly as a cloth under a traditional cabinroof.
本文主要介绍了不同的热处理条件对聚乙烯(PE)薄膜材料电树的起始电压的影响。
This paper presents the effects of different annealing conditions on the tree initiation of polyethylene (PE) films.
在常响应界面情况下，复合材料横向拉伸应力-应变曲线存在明显的转折点，对应于界面分离的起始点，转折点的位置取决于界面粘结强度。
The stress-strain curve under transverse loading of MMCs has a corner point, associated with the initiation of interfacial de-bonding, which is determined by the interfacial bonding strength.
这些表达式能定量反映循环加载条件、材料性能及腐蚀介质对裂纹起始寿命和裂纹扩展速率的影响。
Which can quantitatively reflect the effects of cyclic loading conditions, material properties and corrosion environment on the initiation life and propagating rate of the cracks.
电树的起始电压很大程度上取决于半结晶高分子材料的形态结构。
It is well known that electrical trees are greatly influenced by the morphological structure in semi - crystalline polymers.
研究结果表明，材料的氧指数、烟密度与炭化剂的用量成正比，而起始膨胀时间与炭化剂的用量成反比。以直接模压成型方法制得的材料膨胀性能较好。
It was found that its oxygen index, smoke density were directly proportional to content of carburizer whereas its initial expanding time was inversely proportional to content of carburizer.
研究结果表明，材料的氧指数、烟密度与炭化剂的用量成正比，而起始膨胀时间与炭化剂的用量成反比。以直接模压成型方法制得的材料膨胀性能较好。
It was found that its oxygen index, smoke density were directly proportional to content of carburizer whereas its initial expanding time was inversely proportional to content of carburizer.
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