According to the multi-project and program management theory, this paper analyzes the program generation principle and establishes a program based on progress goals.On the basis of the present situation of calculation of penalty for delay of the bidding section construction period with the critical path method, we studied the effects Water Chamber
Self-incompatibility (SI) is a genetic mechanism that allows flowering plants to identify and block fertilization by self-pollen.In the Solanaceae, SI is controlled by a multiallelic S-locus encoding both S-RNases and F-box proteins as female and male determinants, respectively.S-RNase activity is essential Soft Top Socks for pollen rejection, and
The work is devoted to the study of the complementarity of the electronic structures of the ligands and SARS-CoV-2 RNA-dependent RNA polymerase.The research methodology was based on determining of 3D maps of electron densities Mixer of complexes using an original quantum free-orbital AlteQ approach.We observed a positive relationship between the pa
In order to further improve the equity financing efficiency of listed companies in strategic emerging industries, this paper selects relevant data of 208 listed companies in strategic emerging industries from 2014 to 2018, and calculates the changes in scale efficiency, pure technical efficiency and total factor productivity through the Data envelo