In order to improve the efficiency of dredging, reduce the cost of dredging and ensure the safety of operation, this paper designs an underwater building surface dredging robot (hereinafter referred to as "underwater dredging robot"), which mainly includes the following aspects....
Open access
Research Article10.9734/jerr/2024/v26i11058
The semi-rigid connected steel frame has good displacement ductility and energy dissipation capacity, and the interaction between the traditional steel frame and the filled wall is the critical factor affecting its seismic performance. In this paper, for the semi-rigid steel fram...
Open access
Research Article10.9734/jerr/2023/v25i121057
This paper has investigated the performance of a peer-to-peer wireless Adhoc network in an indoor and outdoor environment. The objective is to assess the network performance using metrics such as throughput, packet loss, packet latency and packet delivery ratio (PDR). In the inve...
Open access
Research Article10.9734/jerr/2023/v25i121054
The availability of a good power supply is said to be essential for achieving sustainable development in the majority of developing countries. Huge capital expenditures are necessary to achieve a consistent electricity supply, mostly for grid development. In order to achieve a re...
Open access
Research Article10.9734/jerr/2023/v25i121055
Haulage trucks are among the primary causes of air pollution in urban areas. The effect of air pollution caused by transportation, especially freight transportation, on public health is a major concern globally. In this study, emissions of haulage trucks operating at Onne Port, R...
Open access
Research Article10.9734/jerr/2023/v25i121056
Design process of the bearing puller involves various stages that can be grouped into conceptualization of ideas based on design criteria and functional requirements. This is followed by concept generation and selection for optimal design. Concept selection is an important activi...
Open access
Research Article10.9734/jerr/2023/v25i121053
The use of soil-nutrients enhancers is crucial to crop and vegetable farmers. However, with increasing costs of mineral fertilizers, seeking alternatives in the form of biofertilizers may help to alleviate farmers concerns. Neem (Azadirachta indica A. Juss) products - seeds, tree...
Open access
Research Article10.9734/jerr/2023/v25i121050
Previous research indicates that safety climate has a significant impact on safety-related behaviors in a variety of circumstances; however, few researchers have examined at how safety climate affects safety courtesy behaviors among flight crews. The purpose of this study was to...
Open access
Research Article10.9734/jerr/2023/v25i121051
In order to meet the actual production of a machining company in the low production efficiency, labor intensity, process flow complexity and other real problems, the broaching machine processing upgraded and designed a broaching machine for the production of automatic loading and...
Open access
Research Article10.9734/jerr/2023/v25i121052
One of the most significant technological challenges that this industry faces today is securing the production flow in deep water exploration. Intense conditions of high pressure and low temperatures will favor the formation of the hydrates which could restrict or block the pathw...
Open access
Research Article10.9734/jerr/2023/v25i121048