The need for research on a sensor system that can monitor the dynamic load of a commercial vehicle in real-time is emerging because the development of autonomous vehicles is actively progressing worldwide. In this study, dynamic load measuing system of commercial vehicles was developed using the MEMs inclinometer attached to the leaf spring suspension. Test vehicle’s driving test was accomplished by changing speed and payload weight in several stages. Using the dynamic load measurement system, it was possible to check the weight shift and the change of stopping distance. When a driving speed increases from 30km/h to 80 km/h, the stopping distance increases from about 25m to 80m.

최근 전기자동차용 이차전지 등의 수요가 급증하면서 효율적인 리튬 화합물의 생산이 큰 주목을 받고 있다. 바이 폴라막 전기투석은 친환경적이며 경제성 및 효율성이 우수한 전기화학적 리튬 화합물 생산공정으로 알려져 있다. 바이폴라막 전기투석 공정의 효율은 바이폴라막의 성능에 의해 좌우되기 때문에 바이폴라막의 선택이 매우 중요하다. 본 연구에서는 세 계적으로 가장 널리 사용되고 있는 대표적인 상용 BPM인 Astom사의 BP-1E 및 Fumatech사의 FBM을 비교 분석함으로써 전기화학적 LiOH 생산을 위한 BPED 공정에 적합한 BPM의 특성을 도출하고자 하였다. 체계적인 평가를 통해 BPM의 특성 중 막의 이온전달저항 및 co-ion leakage를 줄이는 것이 가장 중요하고 이러한 관점에서 BP-1E가 FBM보다 더 우수한 성능 을 가지고 있음을 확인하였다.

Economists believe that if the legal remedy for breach is expectation damages, the idea of efficient breach allows us to forecast when parties will choose to breach a contract. On the other hand, the economic premise of rational wealth-maximizing actors fails to reflect significant nonmonetary values and incentives that impact behavior in predictable ways. People act following shared community norms, such as the moral norm of honoring pledges, when interpersonal duties are informal or underspecified. However, when the parties specify or otherwise formalize punishments for uncooperative behavior, it becomes more strategic and self-interested. The remedy for breach is made apparent with a liquidated-damages clause. This article will highlight the issues about the cure for breach in cases where liquidate damages clause is exploited, focusing on the Common law and precedents by eminent judges, including Pakistan’s legislation.

This study tries to find out the commonalities and differences during the 20th century between the characteristics of Hanyang Sijeon revealed in previous studies by identifying the location of the Sijeon (market zones) installed in Namdaega, Gaeseong, the relationship between lots and streets, and the characteristics of the building arrangements. As a result, the integrated structure of the front and the doga, the market structures of Gaeseong, which have been passed down since the Goryeo Dynasty, influenced and developed those of Hanyang. In particular, additional furnaces were installed in the front, which led to the birth of Pimat-gil alleys. In determining the size of urban space, the scale of Gaeseong City was also applied to Hanyang, which became the basis for determining lots and roads around the market zones.

Inaccurate amounts of active ingredients in disinfectants can result in inefficiency or in potential toxicity to the environment and living organisms. This may lead to disinfection failure, and consequently, biosecurity failure. To ensure the efficiency of disinfectants and their ongoing compliance with safety and quality requirements, continuous and systematic post-market surveillance studies are needed. Herein, the content of ten commercial disinfectants purchased in 2021 was analyzed. Selective analytical techniques, such as automated titration, colorimetry, and high-performance liquid chromatography, were used to evaluate the content of several active ingredients present in disinfectants, such as potassium peroxymonosulfate, benzalkonium chloride, glutaraldehyde, phosphoric acid, citric acid, and malic acid. The obtained values were then compared with the label claims; the active ingredient contents of all disinfectants were within the acceptable range of 90–120% of the label claim.

Experimental analysis has been carried out on double glazed glass of a commercial vehicle to analyze thermal characteristics for various air flow conditions. This double glazed glass has an important effect on the blocking performance of heat transfer with the vehicle's moving speed and ambient thermodynamic conditions. Calculated thermal resistances and heat transmission coefficient through the glass were compared with measured air indoor and outdoor temperatures including the glass surfaces using an experimental apparatus. The thermal resistance through the glass was increased with the indoor air temperature while overall heat transmission coefficient was decreased due to the convective heat transfer effect. As indoor air became warmer, the effect of air flow velocity on the heat transmission coefficient was reduced significantly. It is expected that these results can be used as applicable design data for the development of the double glazed glass system for many commercial vehicles.