RESUMEN
Objective:To explore the reform of procurement management of university under the policy of streamlining administration and delegating power, combination of delegation and management, and optimizing service (delegation, management and services).Methods: Through analyzed the current status of the procurement management of university to explore the method of implementing the policy of "delegation, management and services" from deepening institutional reform, enhancing management efficiency and innovating service level and other aspects.Results: A set of system of procurement institution that conformed with the requirement of "delegation, management and services" has been established. Through formulated prevention and control measure of integrity risk and adopted informatization method to omnibearingly promote the normalization of procurement service.Conclusion: System of science and reasonability and mean of informatization management can ensure the procurement management to preferably serve the teaching and research work of university.
RESUMEN
Semen samples were collected from 1213 fertile men whose partners had a time-to-pregnancy (TTP) ≤12 months in Guangdong Province in Southern China, and semen parameters including semen volume, sperm concentration, total counts, motility, and morphology were evaluated according to the World Health Organization (WHO) 2010 guideline. All semen parameters analyzed were normal in ~62.2% of the total samples, whereas ~37.8% showed at least one of the semen parameters below normal threshold values. The fifth centiles (with 95% confidence intervals) were 1.3 (1.2-1.5) ml for semen volume, 20 × 10 6 (18×10 6 -20×10 6 ) ml-1 for sperm concentration, 40 × 10 6 (38×10 6 -44×10 6 ) per ejaculate for total sperm counts, 48% (47%-53%) for vitality, 39% (36%-43%) for total motility, 25% (23%-27%) for sperm progressive motility, 5.0% (4%-5%) for normal morphology. The pH values ranged from 7.2 to 8.0 with the mean ± standard deviation at 7.32 ± 0.17. No effects of age and body mass index were found on semen parameters. Occupation, smoking and alcohol abuse, varicocele appeared to decrease semen quality. Sperm concentration, but not sperm morphology, is positively correlated with TTP, whereas vitality is negatively correlated with TTP. Our study provides the latest reference values for the semen parameters of Chinese fertile men in Guangdong Province, which are close to those described in the new WHO guidelines (5 th Edition).
