这种三螺旋体的稳定性极高，以至于在同型嘧啶PNA靶向双链DNA嘌呤道时，能取代其中一条DNA链侵入双螺旋。
The stability of these triple helixes is so high that homopyrimidine PNA targeted to purine tracts of dsDNA invades the duplex by displacing one of the DNA strands.
核蛋白晶体构造是一种由三条大型分子链组成的三聚体，每一条支链形状就象鸡冠一样。
The crystal structure of the nucleoprotein is a trimer, with each monomer molecule shaped like a crescent.
本文以丙三醇为前体化合物，设计出了含相同碳链的甘油磷脂的全合成路线。
The total synthetic scheme of glycerol phospholipids was designed with the precursor glycerol.
参与一体化系统及服务的第三方物流必须是强有力的，但是另一方面，绿色供应链和供应链安全也必须作为考虑因素。
Participate in integration systems and services of the third party logistics must be strong, but on the other hand, green supply chain and supply chain security must also as a factor.
上面一行是三个由分子计算机模型进行数据处理后获得的不同的RNA对象：左起分别为八个RNA组成的RNA反棱柱体、六链RNA立方体以及十链RNA立方体；
Top row, three different RNA objects rendered from molecular computer models: from left, RNA antiprism composed of eight RNAs, a six-stranded RNA cube, and a 10-stranded RNA cube.
乙醇氧化经裂解反应、脱氢反应最终形成支链反应，乙氧基c 2h5o的三种同分异构体在链分支中决定了链分支的进行方向。
The unimolecular decomposition and dehydrogenation of ethanol initiate the branched chain reaction, and the 3 isomers of radical C2H5O determine the direction of the reaction chain branching.
以聚酯（PEA、PEPA）或聚醚（PTMG）和TDI为原料合成聚氨酯预聚体，用三异丙醇胺 （TIPA）和1，4-丁二醇（BDO）的混合物作扩链剂制备聚氨酯弹性体。
A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).
以聚酯（PEA、PEPA）或聚醚（PTMG）和TDI为原料合成聚氨酯预聚体，用三异丙醇胺 （TIPA）和1，4-丁二醇（BDO）的混合物作扩链剂制备聚氨酯弹性体。
A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).
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