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同源重组(homologous recombination,HR)与非同源末端连接(non-homologous end joining,NHEJ)的选择机制是DNA双链断裂损伤修复的......
The Characteristic of Dose Equivalent Rates of Photon and Neutron Outside the Treatment Room under H
Objective:The study aimed to explore the characteristic of dose equivalent rates(DERs)of photon and neutron outside the ......
IMPROVEMENT IN FMMF METHOD OF DEWAR,CALCULATION OF SUBSTITUENT CONSTANTS FOR SOME EXTENDED CONJUGATE
In 1971 M. J. S. Dewar put forward, for the calculation of substituent constants, a method namely Field-Mesomerism-Meso......
Dissolved hydrogen is harmful to mechanical properties of refined hypereutectic aluminum-silicon alloys. In the present......
Nanopore-based techniques have attracted increasing attention as a unique tool for single-molecule analysis.To accuratel......
在考虑T(d,n)^4He(D-T)反应快中子源能谱、角分布、面源结构及靶系统对中子的作用的基础上,利用MCNP程序模拟了(D-T)反应快中子在屏蔽材......
遥控设备研制的过程是克服干扰的过程,作者成功地采用了降低单片机主振频率、利用单片机的待机省电状态功能、加设带通滤波器、采用......
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文章采用两阶段法和数值模拟方法的分析结果,验证了应用整体数值模拟方法研究隧道开挖对邻近群桩的影响是可靠的。借助有限差分数......
To obtain multiple monoenergetic neutron sources and realize the on-site calibration of radiation monitoring equipment f......
电磁兼容技术主要研究的是如何使在同一电磁环境下工作的各种电气电子系统、分系统、设备和元器件都能正常工作,互不干扰,达到兼容......
介绍了基于电子设计自动化(EDA)仿真的"自顶向下"的电子系统电磁兼容(EMC)设计流程,并将其应用于车载集群通信系统电磁兼容设计中。以某4......
综述了焊丝直径和保护气体对GMAW熔滴过渡影响的新发现。研究表明,对于直径小于0.90 mm焊丝,转变电流后熔滴的平均直径并未小于原......
According to the power system planning in China,500kV transmission line will be the trunks in all regionalnetworks excep......
研究发现,以低频磁场为表现形式的电磁辐射的危害相当严重,如何解决好低频磁场的屏蔽问题是一个很重要的课题。低频磁场屏蔽是磁场......
GJB151A-97标准是我国现行的考核电子设备电磁兼容性(EMC)性能的国家军用标准,现对该标准所规定的测试项目作了说明,阐述了军工电子设......
介绍了EMI电源滤波器插入损耗的测量原理,随后采用了屏蔽箱和屏蔽室两种环境的测量方案进行测量试验,通过对最后测试数据的分析,讨论......
内蒙古超高压供电局500kV永圣域变电站5022L1相LW13-550型SF6断路器发生放电事故。分析认为,断路器罐体内壁直径偏小,绝缘裕度小,......