1) straight chain reactions
单链反应
2) single cell polymerase chain reaction
单细胞聚合酶链反应
3) chain extension
扩链反应
1.
Study on chain extension of L-lactic acid oligomer with isocyanate
L-乳酸低聚物的异氰酸酯扩链反应工艺研究
2.
The optimal conditions for chain extension and the optimal amount of chain extender were obtained through analysis.
用化学反应平衡的方法对开环扩链型扩链剂的增粘作用进行理论分析 ,推导出扩链剂用量与聚酯特性粘数变化的关系 ,发现反应平衡常数直接影响扩链效率 ;分析了实现扩链的必要条件和扩链剂的最佳投料量 ;利用推导出的理论关系计算出常见扩链剂参与扩链反应的平衡常数。
4) chain-extending reaction
扩链反应
1.
Polyesteramide PBEA with high molecular weight was synthesized by a chain-extending reaction from the HO-terminated PBEA prepolymer with terephthaloyl bis-caprolactamate(TBC) as chain-extender under reduced pressure in bulk state.
研究了预聚体分子量、扩链剂/预聚体摩尔比、反应温度等因素对扩链反应的影响。
2.
The chain-extending reaction of PBA prepolymers with tricaprolactamyl phosphite(TCP) was carried out under a reduced pressure.
研究了扩链温度、扩链剂用量、预聚体的结构和制备方法等对扩链反应的影响。
3.
The chain-extending reaction of HO-PLA-OH or HO-P(LA/CP)-OH with terephthaloyl-biscaprolactamate(TBCL) was studied.
以对苯二甲酰双己内酰胺(TBCL)为扩链剂,研究了扩链温度、预聚体结构、扩链剂/预聚体配比、扩链时间等对扩链反应的影响。
5) chain reaction
链式反应
1.
On establishment of fission neutron density formula in process of chain reaction;
核裂变链式反应过程中裂变中子密度计算公式建立的研究
2.
Based on atmospheric chemistry research, a method was presented to simultaneously oxidize NO and SO2 in flue gas by chain reactions.
基于大气化学的研究成果,本文提出了利用链式反应同步氧化烟气中NO和SO2的设想。
3.
During the 30s and 40s of the last century atomic physicists discovered the fission of uranium nuclei bombarded by neutrons and realized the first self-sustaining controlled fission chain reaction, which ushered in the atomic age.
20世纪三四十年代,原子物理学家们发现中子轰击铀原子核的裂变现象并首次实现可控裂变链式反应,把世界带进了原子能时代。
6) chain reactions
链式反应
1.
An improved dry flue gas desulfurization technique through radical chain reactions;
基于自由基链式反应改进干法烟气脱硫技术的方法
补充资料：聚合酶链反应
聚合酶链反应
polymerase chain reaction,PCR
是用特异性寡核苷酸引物在DNA聚合酶的作用下对靶DNA序列进行大量扩增的分子生物学方法。PCR技术中以在短时间内把极其微量的特定DNA(或RNA）片断大量增扩，达到用常规方法就可以检测的水平。临床用来确定一些疾病的病原体，因其假阳性率较高，故应谨慎使用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条