Jae Woong Chung

Anaerobic, mesophilic, and cellulolytic Clostridium papyrosolvens produces an efficient cellulolytic extracellular complex named cellulosome that hydrolyzes plant cell wall polysaccharides into simple sugars. Its genome harbors two long cellulosomal clusters: cip-cel operon encoding major cellulosome components (including scaffolding) and xyl-doc gene cluster encoding hemicellulases. Compared with works on cip-cel operon, there are much fewer studies on xyl-doc mainly due to its rare location in

In this paper, we propose a deep reinforcement learning (DRL) approach for solving the optimisation problem of the network's sum-rate in device-to-device (D2D) communications supported by an intelligent reflecting surface (IRS). The IRS is deployed to mitigate the interference and enhance the signal between the D2D transmitter and the associated D2D receiver. Our objective is to jointly optimise the transmit power at the D2D transmitter and the phase shift matrix at the IRS to maximise the netwo

The development of a simple local drug-delivery system that exhibits the advantages of macro- and microscale carriers with controllable drug-release behavior is still highly desired. Herein, in this work, a smart temporary film was prepared from doxorubicin (DOX)-loaded shape-memory microgels via a simple hot-compression programming method. The temporary film showed a very smooth surface and easy handing, as well as macroscopy mechanical properties, which could disintegrate into the microgels wi

<b><sc>Abstract.</sc></b> Aiming at the problems that visual navigation system faces complex image background and many interference factors in orchard environment, this paper proposed an orchard navigation path extraction algorithm based on scene dynamic weighted fusion. Firstly, the orchard image was pitch collected by a camera on rack, and the original image was converted to HSV space. The image was preliminarily segmented according to predefined threshold. After median filtering and morpholog

The change in global energy consumption patterns and the accelerated urbanization process make buildings gradually the main energy consumption terminal, and the energy management from the building micro-grid terminal helps to realize energy savings and emission reduction. The article first establishes a model of independent preoperational scheduling of building groups and a model of cooperative pre-operational scheduling of building groups, considering the characteristics of heat networks to min

<b><sc>Abstract.</sc></b> Mechanical weeding can reduce the agriculture eco-environment pollution caused by the large-scale use of herbicides. In mechanical weeding operation, structure and working parameters of the weeding end-effector are crucial to weeding effect. A kind of multi-finger weeding end-effector was designed in this paper for intra-row weeding in paddy fields, which mainly includes four parts: flexible finger disc, stiff finger disc, rotation axis and rack. Then an interaction mod

In order to solve the problem that traditional power flow calculation methods are no longer suitable for the multi-energy new flow distribution network, a mixed power flow calculation method based on the sequential solution method is proposed in this paper. First, the operating characteristics of the distributed energy sources in the distribution network are analyzed and the corresponding mathematical models are established; second, the operating characteristics and coupling relationships of the

This paper investigates the coexistence of a selfsustainable Internet of Things (IoT) network and a multiantenna radar system operating in a shared frequency band, empowered by a reconfigurable intelligent surface (RIS). A novel joint optimization framework is proposed to maximize the throughput of the IoT network while ensuring the reliability of radar detection. The formulation jointly considers RIS phaseshift design, radar signal covariance, and time scheduling. To begin with, we employ the L

The asphaltum fume caused by carbon production pollutes the environment seriously.It is a difficult and urgent technique problem for the enterprises to deal with.The paper focuses on the research of the calcining kiln fume cleaning technique applied in an enterprise by merging the use of electrostatic cleaner and the heat pipe exchanger together.The result shows that this technique could avoid making the asphalt recycler jammed.The new method of cleaning the fume,can make the soot concentration

Objective To investigate the clinical outcomes and complications of minimally invasive transforaminal lumber interbody fusion (MiTLIF) and open-TLIF for lumber degenerative diseases.Methods Between March,2010 and June,2012,75 patients of lumber degenerative diseases were operated in neurosurgical department of Sichuan Provincial People,s Hospital.MiTLIF and open-TLIF was performed in 32 and 43 patients,respectively.MiTLIF was done by using expandable working tubes (Quadrant)and percutaneous pedi

<b><sc>Abstract.</sc></b> Current traditional tactile sensors based on the principles of capacitance or piezoelectricity have complex structures and difficulty in obtaining tactile information. A tactile sensor is introduced which can measure depth information through vision in this paper. The tactile sensor is mainly composed of an elastomer embedded with marker point array, a transparent acrylic plate, 8 LED lamps and a micro monocular camera. The elastomer deforms when the tactile sensor touc