Zobrazeno 1 - 10
of 192
pro vyhledávání: '"Zhi‐Qiang Zhu"'
Publikováno v:
IEEE Access, Vol 6, Pp 40389-40399 (2018)
In recent years, role-based access control (RBAC) has become the de facto access control model due to its good applicability and high flexibility. Since the organizations need to update the access control policies to meet the changes in employees, de
Externí odkaz:
https://doaj.org/article/69c7974be0b045d9a736782154b56564
Publikováno v:
网络与信息安全学报, Vol 3, Pp 1-11 (2017)
To safeguard the sensitive data stored on the cloud and promote the efficiency of data sharing simulta-neously,a secure flexible and efficient attribute-based encryption scheme with keyword search is proposed,which designs an index generation mechani
Externí odkaz:
https://doaj.org/article/3ac15c9f8a844770b840ee2f4f05bb1c
Publikováno v:
Gastroenterology Research and Practice, Vol 2018 (2018)
Aim. To evaluate the impact of preoperative anemia (POA) on perioperative outcomes in patients undergoing elective surgery for colorectal cancer (CRC). Methods. A total of 326 CRC patients were enrolled. POA was defined as a hemoglobin (Hb) concentra
Externí odkaz:
https://doaj.org/article/3e318299161f44b48bf9af7c5cdeffc0
Autor:
Zhi-Qiang Zhu, Qi-Ru Wang
Publikováno v:
Electronic Journal of Differential Equations, Vol 2014, Iss 100,, Pp 1-11 (2014)
This article concerns the stability and periodicity of solutions to the delay dynamic system $$ x^{\triangle}(t)=A(t) x(t) + F(t, x(t), x(g(t)))+C(t) $$ on a time scale. By the inequality technique for vectors, we obtain some stability criteria
Externí odkaz:
https://doaj.org/article/1382ccab6b144a80b1e25b6b99f65e42
Autor:
Zhi-Qiang Zhu
Publikováno v:
Electronic Journal of Qualitative Theory of Differential Equations, Vol 2012, Iss 29, Pp 1-17 (2012)
In this paper we investigate the impulsive equation \[\left\{\begin{array}{l} \left(r(t)x'\right)'+a(t)x+ f\left(t,x, x'\right)=p(t), t\geq t_{0},~t\neq t_{k}, \\ x( t_{k})=c_{k}x( t_{k}-0),~x'( t_{k})=d_{k}x'(t_{k}-0),~k=1,2,3,\ldots, \end{array}\
Externí odkaz:
https://doaj.org/article/a08fd3a5a5df4e93a21669c252d0045c
Publikováno v:
Cancer Biology & Medicine, Vol 8, Iss 2, Pp 92-99 (2011)
OBJECTIVE To observe enhancement of anti-tumor immunity by gene vaccine using nucleofection technology.METHODS The technique of nucleofection was used to transfereffectively plasmid DNA into immature dendritic cells (iDCs); we studied immune response
Externí odkaz:
https://doaj.org/article/325927bb57764b2ab97327cb0689e23d
Autor:
Zhi-Qiang Zhu
Publikováno v:
International Journal of Mathematics and Mathematical Sciences, Vol 2011 (2011)
This paper is concerned with the existence of nonoscillatory solutions for the nonlinear dynamic equation (𝑝(𝑡)(𝜓∘𝑥)(𝑥𝜎)Δ)Δ+𝑞(𝑡)𝑓∘𝑥𝜎=0 on time scales. By making use of the generalized Riccati transformation tech
Externí odkaz:
https://doaj.org/article/0d431f0a38854c6cb5e47773fbc91d55
Publikováno v:
Organic Letters. 25:1299-1304
Autor:
Zong-Wang Qiu, Liang Long, Zhi-Qiang Zhu, Hong-Fu Liu, Han-Peng Pan, Ai-Jun Ma, Jin-Bao Peng, Yong-Heng Wang, Hao Gao, Xiang-Zhi Zhang
Publikováno v:
ACS Catalysis. 12:13282-13291
Publikováno v:
Advanced Synthesis & Catalysis. 364:2169-2173