Abstract Trip destination prediction plays an important role in exploring urban travel patterns. Accurate prediction can improve the efficiency of traffic management and the quality of location‐based services. Here, a deep learning structure that contains three components: travel information extraction, classification learning mechanism, and output module is proposed. Three types of information (the partial trajectory of on‐going trips, historical trajectories, and related external information) are extracted in the first component. Then, the classification learning mechanism chooses different methods (i.e. Long Short‐Term Memory network and Embedding technology) according to the characteristic of variables. Finally, an output layer that integrates the prior information about destinations is constructed. Two open‐source trajectory datasets are used to validate the effectiveness of the proposed model. Results show that the proposed model outperforms benchmark models using only part of the information or using all of the information but ignore the classification learning mechanism. The performance of the proposed model under different call types and travel durations is further explored. The result of this study will help understand travel behaviour in urban cities.
Objective To evaluate the relationship between circulating levels of B-type natriuretic peptides (BNP) and the clinical evolution of patients after the implantation of a biventricular pacing system. Methods Thirty patients were included in the study, with systolic dysfunction of the left ventricle and left bundle branch block. A previous evaluation included blood analysis, Chest X-ray, electrocardiogram, echocardiogram and plasma levels of BNP. The mean age at the moment of the implant was 67±11 years. During a follow-up period of 12±8 months,Results NYHA functional class improved from 2.9±0.5 to 2.11±0.34, p=0.03. The rate of hospitalisations for heart failure decreased from an average of 1.9±0.8, 6 months before the procedure to 0.9±0.2, 6 months after the procedure (p=0.04). The basal value of BNP decreased from 378±138 to 147±78 pg/mL at the end of the follow-up in the responder group (21 patients) and increased from 180±93 to 201±145 pg/mL in the non responder group (9 patients). patients had both a significant clinical improvement and high levels of BNP, which reached a plateau an average of 6 months after implantation. Multivariate logistic regression analyses identified higher levels of BNP, dilated cardiomyopathy, and functional class as independent predictors of response to the therapy. Age, QRS width and left ventricular ejection fraction were nor predictors of response. Conclusion The effects of cardiac resynchronization therapy are progressive and patients improve during the six months after the implantation, as reflected by the levels of BNP.Typical Responder patients had dilated cardiomyopathy,lower functional class and higher levels of BNP.
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In accordance with the characteristics of the 3G service,come up with the necessity of importing the MSTP+,give the introductions of the MSTP+'s characteristics and the evolving mode of the transmission network.
Taken a reinforced concrete beam bridge which has 20 m main span as an example,based on similarity theory,9 scale model beams of T-beam were designed in accordance with CL=1/4.The test was divided into three groups: test I: contrast beams without reinforcement,test II: reinforced beams without considering the secondary load,and test III: reinforced beams considering the secondary load.The ultimate load,crack propagation,strain of basalt fiber reinforced polymer(BFRP) sheet and the ultimate failure mode of the beams strengthened by BFRP sheet in the cases of test II and test III discussed.By comparing the results of three tests,it shows that(1) the average deflections of test II and test III decreased by 36.7% and 28.9% respectively than that of test I;(2) the final average strains of BFRP sheet in test II and test III are 15 118 μe and 10 921 μe which are 84.4% and 61.0% of the ultimate tensile strain of BFRP sheet respectively,indicating the stiffness of beams is increased after reinforced by BFRP sheet and the reinforcement effect of test II is better than that of test III;(3) all the ultimate failure mode of reinforced beams are brittle failure.Compared with the experiment results and calculated values,it can be seen that the reinforced concrete T-type structure strengthened with BFRP sheet can be designed according to Design Code for Strengthening Concrete Structure.
An electroactive bismuth oxybromide/polyvinylidene difluoride/carbon black(BiOBr/PVDF/CB) composite film electrode was fabricated that had a bromide ion trap (Br–-trap) effect obtained by prereleasing of Br– under reduction potential. The Br–-trap BiOBr/PVDF/CB film electrode was used for the selective extraction of Br– from salt lake brine by electrochemically switched ion exchange (ESIX) technology. Moreover, an industrially scalable ESIX pilot system was designed and the effects of different process parameters were investigated. In the ESIX system, the obtained film electrode exhibited efficient adsorption quantity, and remarkable selectivity owing to its special ion trap effect. The extraction capacity of Br– reached 67.10 mg g–1 with the separation factors of 2.06 and 7.13 for Br–/Cl– and Br–/NO3–, respectively, and the desorption efficiency of the film electrode remained at 95.4% after seven repeated cycles. It manifested that the pilot system with the Br–-trap BiOBr/PVDF/CB film electrode is expected to provide a novel direction for practical industrial Br– extraction.
A new, tighter bound of coefficient-sensitivity is derived for 2-D digital systems. A new algorithm is also proposed which optimizes both the coefficient-sensitivity and the state-structure of 2-D digital systems.
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