Hubei University of Technology ; simplified Chinese: 湖北工业大学; traditional Chinese: 湖北工業大學; pinyin: Húběi gōngyè dàxué; Specializing in engineering,is founded in 1952, located in Wuhan, Hubei, China. It's a public key multi-discipline university of Hubei Province. Wikipedia.
Jin X.,Hubei University of Technology
ICCASM 2010 - 2010 International Conference on Computer Application and System Modeling, Proceedings | Year: 2010
This paper discusses the NP-complete multi-constrained path problem with imprecise state information, and a heuristic pre-computation algorithm based on flooding with imprecise additive link state information is presented. This algorithm uses limited flooding policy based on selective non-dominated path and can find paths from present node to all other nodes only running once. And the algorithm deals with imprecise additive link state information without any imprecision assumption. Selecting limited non-dominated paths kept at each node reduces space complexity and limited usage time of each link during a routing computation reduces time complexity. Several simulations indicate that the algorithm is efficient, scaleable, and can provide satisfied call acceptance probability with imprecise additive link state information. © 2010 IEEE. Source
Hubei University of Technology | Date: 2011-04-22
A 4-demethylepipodophyllotoxin derivative of formula(III) having anti-tumor activity is provided. After the activation of hydroxyl in position C4 of 4-demethylepipodophyllotoxin, tetramethylpyrazine is introduced by transamination to obtain the 4-demethylepipodophyllotoxin derivative which is preferably used to inhibit gastric cancer line BGC-823.
Xie C.,Hubei University of Technology |
Du J.,Hubei University |
Dong Z.,Hubei University |
Sun S.,Hubei University |
And 2 more authors.
Polymer Engineering and Science | Year: 2016
A new reactive phosphorus-containing curing agent with imine linkage called 4, 4'-[1, 3-phenyl-bis(9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-yl)dimethyneimino)]diphenol (2) was synthesized both via two-pot and one-pot procedure. The chemical structure of this curing agent was confirmed by FTIR, 1H, 13C, and 31P NMR spectra. A series of thermosetting systems were prepared by using conventional epoxy resins (E51), 4, 4'-diaminodiphenyl methane (DDM) and (2). Resins with different phosphorus contents were obtained by changing the DDM/(2) molar ratios. Their dynamic mechanical thermal, thermal and flame-retardant properties were evaluated by dynamic mechanical thermal analysis (DMTA), thermogravimetric analysis (TGA), and limiting oxygen index (LOI), respectively. All samples had a single Tg, which showed that these epoxy resins were homogeneous phase. Both the two char yields under nitrogen and air atmospheres increased with increasing content of (2) and the LOI values increased from 24.5 for standard resin to 37.5 for phosphorus-containing resin, which indicated that incorporation of (2) could impart good thermal stability and excellent flame retardancy to the conventional epoxy thermosets. © 2016 Society of Plastics Engineers. Source
Wang Z.,Hubei University of Technology |
Zhao M.,Harbin Institute of Technology |
Li X.-E.,Hubei University of Technology
Proceedings - 2011 5th International Conference on Genetic and Evolutionary Computing, ICGEC 2011 | Year: 2011
In this paper, a linearly constrained constant modulus algorithm (LCCMA) based blind adaptive multiuser detection for DS-UWB system is presented in a realistic indoor channel. Based on gradient descent method, The key problem to minimizing the CMA cost function subject to multiple linear constraints is pre-selected or jointly updated. Theoretical analysis and simulation results show that, compared with the training sequence based adaptive MUD, the proposed scheme can increase the transmission capacity, and then can be considered as a compromise candidate for indoor DS-UWB high data rate multi-user access scenarios. © 2011 IEEE. Source
Hubei University of Technology | Date: 2015-01-13
In a method of critical displacement forecast based on the deformation failure mechanism of slope, a sliding surface displacement, a calculation based on status stability factors and a slope surface displacement are determined, and applied for forecast based on a thrust-type slope deformation mechanism, a key compartment division, a relation between stress and strain mechanics properties of sliding surface of geo-material, and an analysis of evolution characteristics at different points of the sliding surface. The method provides advantages of determining deformation values at different points of a sliding surface, a slope body and a slope surface during slope failures; describing the process of a progressive failure, deformations and force changes of a slope; combining slope monitoring values to perform the stability analysis and the calculation of the magnitude of the stability factors in different deformation statuses of the slope; and assessing the durability of protective measures to the slope.