融合形状与语义相关性的三维模型标注方法

为了解决目前三维模型语义标注方法鲁棒性差和精确程度不高的缺点,在三维模型与语义之间相关传递原理的基础上,提出了三维模型与语义词汇之间的相关基数度量算法,并结合骨架结构以及几何细节在模型匹配中的应用,设计了一种三维模型自动语义标注方法。实验验证了该方法具有较高的准确性和鲁棒性,不但在三维模型的形状特征和语义特征之间建立了可靠的映射关系,而且为三维模型的语义检索提供了可靠的依据。

Prediction of the Helix/Sheet Content of Proteins from Their Primary Sequences by Neural Network Method

The amino acid composition and the biased auto-correlation function are considered as features, BP neural network algorithm is used to synthesize these features. The prediction accuracy of this method is verified by using the independent non-homologous protein database. It is shown that the average absolute errors for resubstitution test are 0.070 and 0.068 with the standard deviations 0.049 and 0.047 for the prediction of the content of α-helix and β-sheet respectively. For cross-validation test, the average absolute errors are 0.075 and 0.070 with the standard deviations 0.050 and 0.049 for the prediction of the content of α-helix and β-sheet respectively. Compared with the other methods currently available, the BP neural network method combined with the amino acid composition and the biased auto-correlation function features can effectively improve the prediction accuracy.

Establishment of an index system for evaluating outstanding biomedical scientists for science foundation of Shanghai

Objective:To establish a scientific,objective and applicable index system for evaluating out- standing biomedical scientists for science foundation of Shanghai.Methods:According to the principal in- dices that have been used in the developed countries for evaluating their talented personnel and the reality of our country,an index system was set up to evaluate the outstanding biomedical scientists for Shanghai science foundation.The following parameters were used to simplify the indices.,correlation coefficient, multiple correlation coefficient,partial correlation coefficient,creditability,and discriminatory power. And analytic hierarchy process was used to determine the weights of each index.Results and Conclusions: The established index system is scientific and applicable;it is helpful for cultivating and evaluating out- standing biomedical scientists.

Mean Residence Time of CO2 Molecules in Flexible ZIF-8 Cages Explored by Molecular Dynamics Simulations

The adsorption sites and diffusion mechanism of CO2 molecules in the flexible Zn（MeIM）2 （MeIM=2-methylimidazole） （ZIF-8） have been investigated by grand canonical Monte Carlo and molecular dynamics simulations. A reasonable time correlation function is for the first time constructed to explore the mean residence time of CO2 molecules in the ZIF-8 cages, suggesting that C02 molecules can remain in the same cage for up to several tens of picoseconds. Furthermore, we find that the mean residence time almost linearly increases with the increasing pressure （or loading） at 273 and 298 K.

Toward Sharia Rural Tourism Model Case Study of Sleman District, Yogyakarta

Concomitant increase in the Muslim population of the world and the Muslims significant expenditure for the purpose of travel, the village halal travel is now becoming one of the most alternatives appeal to invite people to visit.This paper is intended to illustrate the potential and the readiness of people to hold lawful tourist village in Sleman Yogyakarta. To obtain a picture in question, some variables are included in this study. It needs some steps in data collection, including the use of collective engagement process involving some＇, stakeholders to provide guidance on the development of rural tourism. Based on the results, this research aL,;o is expected to provide information and approval about sharia-based rural tourism to stakeholders. Respondents of this study are the locals particularly those involved in the business of conventional in the whole tourist villages in the area. Results of the research indicate that most of the villages have infrastructure that badly needs to be improved, lack of human resources skill （technologically backward, not able to communicate through internet, etc.）, and limited understanding of both the people and stakeholders of the villages about the conception of sharia-based tourist village. Implications of the findings are discussed.

Defeating constraint based program analysis with temporal correlation function

Constraint based program analysis is widely used in program validation, program vulnerability analysis, etc. This paper proposes a temporal correlation function to protect programs from analysis. The temporal correlation function can be applied to resist against both static and dynamic function summary and eoncolie testing. What＇ s more, the temporal correlation function can produce different outputs even with same input. This feature can be used to damage the premise of function summary as well as prevent concolie testing process to run the new branch with new input. Experiment results show that this method can reduce efficiency and path coverage of concolic testing, while greatly in- creasing the difficulty of constraint based program analysis.

TinII intron, an enhancer to affect the function of the cytoplasmic male sterility related gene T in Brassica juncea

The T gene, which was cloned from the mitochondria of tumorous stem mustard （Brassica juncea var. tumida）, is a cytoplas- mic male sterility （CMS）-related gene that can produce two transcripts, T1170 and T1243. The latter is transcribed with the un- cleaved intron Tinll. In our previous study, transgenic Arabidopsis thaliana plants over-expressing the T1243 transcript （OE-T1243） showed a severe male-sterile phenotype, whereas OE-Tll70 plants did not. However, the functional mechanism of the T gene in B. Juncea remained unknown. In this study, microscopic analyses of paraffin sections of anthers confirmed that OE-T1243 plants did not produce normal pollen, whereas OE-T1170 plants did. We analyzed the transcription of 15 anther development-related genes and found that transcript levels of nozzle/sporocyteless and barely any meristem 1 and 2 were markedly lower in OE-T1243 plants than those in wild type, while the transcript levels of these genes in OE-Tll70 plants were unchanged. To investigate the potential roles of TinH, we inserted the TinH sequence upstream of a minimal region （-60） of the cauliflower mosaic virus 35S promoter fused to the 5＇ end of the 13-glucuronidase （GUS） reporter gene. Analysis of the transgenic plants suggested that TinH acted as an enhancer to significantly increase GUS expression. The potential action mechanism is that the TinH intron acts as an enhancer to affect the function of the CMS-related gene T.