supports from the National Key R&D program of China(2019YFC1604602);supports from the National Key Basic Research Program of China(2019YFC1906700);the National Natural Science Foundation of China(21876049,51878643)。
Electrochemical transformation emerges as an important solution to sustainable energy conversion and chemical production.Conventional electrolytic systems usually operate under galvanostatic or potentiostatic conditio...
Project supported by the National Natural Science Foundation of China(Grant No.61605248);the National Basic Research Program of China(Grant No.2013CB338002)。
High detection efficiency and low intrinsic dark count rate are two advantages of superconducting nanowire single photon detectors(SNSPDs).However,the stray photons penetrated into the fiber would cause the extrinsic ...
Project supported by the National Basic Research Program of China(Grant No.2016YFA0301903);the National Natural Science Foundation of China(Grant Nos.11174370,11304387,61632021,11305262,and 61205108);the Research Plan Project of the National University of Defense Technology(Grant No.ZK16-03-04)
The dynamical decoupling(DD) method is widely adopted to preserve coherence in different quantum systems. In the case of ideal pulses, its effects on the suppression of noise can be analytically described by the mathe...
National Basic Research Program of China(2013CBA01501);National Natural Science Foundation of China(NSFC)(11334013,11520101003,11861121001,U1530150);Strategic Priority Research Program of the Chinese Academy of Sciences(CAS)(XDB07030300,XDB16010200,XDB17030500);National Science Foundation(NSF)(0968895,1102301,1263236);863 Program(2013AA014402);“Zhuoyue” Program(ZG216S1807);“Qingba” Program(KG12052501,ZG226S1832)
We systematically investigate the influences of the input infrared spectrum, chirp, and polarization on the emitted intense terahertz spectrum and spatial dispersion in lithium niobate via optical rectification. The t...
Project supported by the National Basic Research Program of China(Grant No.2014CB845502);the National Natural Science Foundation of China(Grant No.11575013)
A miniaturized 2.45 GHz permanent magnet electron cyclotron resonance(PMECR) ion source, which has the ability of producing a tens-m A H+beam, has been built and tested at Peking University(PKU). Its plasma chamb...
supported by the National Basic Research Program(No.2016YFB1102704);the Youth Innovation Promotion Association,CAS
To reveal the physical mechanism of laser ablation and establish the prediction model for figuring the surface of fused silica, a multi-physical transient numerical model coupled with heat transfer and fluid flow was ...
partly supported by National Natural Science Foundation of China under Grant No. 51477164;the National Basic Research Program of China under Grant No. 2014CB239505-03;the State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources under Grant No. LAPS16013;the Science and Technology Project of State Grid Corporation of China
Nanosecond-pulse diffuse discharges could provide high-density plasma and high-energy electrons at atmospheric pressure. In this paper, the surface treatment of Cu by nanosecond-pulse diffuse discharges is conducted i...
supported by the National Basic Research Program of China(Grants No.2015CB921002);the National Natural Science Foundation of China(Grant Nos.11175094 and 91221205)
We examine the robustness of composite pulses to non-static classic noise in the NMR facility. Though these pulses are proposed to eliminate static, systematic errors, they are shown to be robust to time-varying noise...
Supported by the National Natural Science Foundation of China(Study on the Formation and Influencing Factors of the Pulse in Traditional Chinese Medicine,No.81173202);National Basic Research Program of China(973 program,Study on the Original Thoughts of Traditional Chinese Medicine and the System of Recognition Methods of Health State,No.2011CB505406);Natural Science Foundation of Tianjin(the Theory and Methods of Objective Evaluation of Chinese Medicine Efficacy on Major Diseases,No.10JCZDJC20000)
OBJECTIVE: To study changes in pulse diagram parameters (PDP) in patients with cervical spondylosis (CS) before and after acupuncture treatment, explore the characteristics of PDP and the relationship between PDP...
Project supported by the National Basic Research Program of China(Grant No.2011CB921603);the National Natural Science Foundation of China(Grant Nos.11374126,11347137,11404336,and 11204103);the China Postdoctoral Science Foundation(Grant No.2013T60317);the National Fund for Fostering Talents of Basic Science,China(Grant No.J1103202)
We experimentally demonstrate multiple frequency conversion via atomic spin coherence of storing a light pulse in a doped solid. The essence of this multiple frequency conversion is four-wave mixing based on stored at...