Anti-PRD (aa 1-50) polyclonal antibody

Following the reform and opening up of China, the Pearl River Delta (PRD) region became a center of foreign investment due to its comparative advantages of cheap labor costs and low land use prices. The tide of migrant workers, comprising a large surplus rural labor force that flooded into the PRD region, caused a rapid increase in the urban population. From the 1980s to the 2000s, migrant workers were a key force that drove urbanization in China. The utilization of automation technology in production since the 2010s has increased the number of unemployed laborers and shifted the dynamics of urbanization. This study investigated how automation is applied in production processes and its effects on different industries, namely, those related to textiles, electronic information, and home electrical appliance manufacturing; specifically we sought to examine the complex relationship among automation, the labor forces, and urbanization by illustrating the implementation of automation in production processes and its influence on labor forces and urbanization. This study revealed that companies in different industries implement automation to differing degrees and through varied upgrading paths. All industries can ultimately achieve technological transformation and cross-industry development. For labor forces, automation exerts two simultaneous folded effects, namely, the direct replacement of low-to middle-skilled workers and the creation of new jobs. The penetration of automation into manufacturing industries has changed the dynamics of urbanization and the social spatial structure of cities, leading to a polarization of the labor forces and the emergence of "dual cities".

The discharge distribution is influenced by the tidal behaviour at tidally affected junctions. The Pearl River Delta (PRD) is one of the most complicated deltas and highly affected by human interventions. The tides are reinforced by the riverbed downcutting caused by intensive sand dredging in the PRD. While some efforts have been made to interpret flow division at the apex of the delta, little attention has been paid to the role of tides on discharge distribution. A 2D hydrodynamic model covering the entire PRD has been established and applied to quantify the tidal influence on subtidal flow division at the tidal junctions. The discharge asymmetry index is introduced to quantify the subtidal discharge division. The method of factor separation is used to decompose the subtidal discharge into the contributions of tides, river discharge and river-tide interactions. Results indicate that the tides alter the allocation of river discharge over distributary channels in the PRD, especially in the dry season. Generally, the effect of tides is to reduce unequal subtidal flow division that occurs without tides. The tidal influence increases seaward with a maximum value of the order of 110% in the dry season, which indicates that the tidal influence on the flow distribution can overwhelm the impact induced by river discharge only. Sensitivity analyses also demonstrate that the tidal constituent M-2 makes the largest contribution on flow division at junctions, followed by K-1, O-1 and S-2. In addition, the tidal influence is more apparent due to the increased water depths caused by long-term and extensive sand excavations. (C) 2019 Elsevier B.V. All rights reserved.