This study investigated the extent to which explicit and implicit instruction improve L1-Arabic speakers’ articulation of English words whose cognates were acquired earlier in their L2 French. Sixty-eight secondary school students, explicit (n=35) and implicit (n=33), participated in a programme incorporating focus-on-pronunciation activities, comprising three 45-minute sessions. Their learning motivation was first rated using an adapted version of Attitude/Motivation Test Battery (AMTB). Their pronunciation improvement was assessed through an oral-reading task. Ten new words were included in the post-test to see if they would generalize the instructed knowledge analogically. Results indicated that both explicit and implicit instruction had a positive impact on the students’ pronunciation advancement. However, the explicit group outperformed the implicit group with both the targeted and untaught words. There was insignificant interaction effect between instructional method and students’ motivation level, with higher motivation uniformly enhancing the effect of instruction. Nevertheless, motivation played a more crucial role in the learnt knowledge transferability when instruction was of implicit.

Organic reagent is considered as one of the most promising reductants for deeply removing vanadium (V) trichloride oxide ( VOCl3) from crude titanium tetrachloride ( TiCl4). Nevertheless, indeterminate active component and unclearly removal mechanisms appear to be the obstacles to separate VOCl3 from TiCl4 using organic reagent. Herein we conduct the experiment to explore it. Firstly, the organic reagents are obtained from enterprise (noted as EOR1– EOR7), and then it is determined that carbon aromatic ( CA) is the active component for removing VOCl3. Furthermore, modified organic reagents (noted as MOR1– MOR4) are prepared via adding aromatic hydrocarbon oil and stearic acid to EOR7, then indicating that MOR3 is endowed with the best capacity to remove VOCl3. In addition, the residues obtained from distillation experiment are comprehensively analyzed (using X-ray diffraction (XRD), transmission electron microscope (TEM) and scanning electron microscope (SEM) etc.), revealing that porous amorphous carbon that deriving from MOR, plays an excellent role in removing VOCl3 from TiCl4 system. Therefore, the removal mechanisms can be explained like that porous amorphous carbon reduces VOCl3 into insoluble vanadium (III) chloride ( VCl3) and vanadium (IV) oxide dichloride ( VOCl2), and then they are separated via adsorption process, with the help of porous amorphous carbon.

수십 년간의 세계화에도 불구하고, 기업들은 여전히 국내와 해외 시장에서의 마케팅 환경의 불일 치로 어려움을 겪고 있다. 기업들은 이러한 환경의 차이를 극복하기 위해 각 시장의 특성을 고려한 광고 어필(advertising appeal)을 이용하여 특정 메시지를 전달한다. 이에 따라 기업의 국내와 해외 시장에서의 광고 어필 사용의 차이가 존재하는데, 그 차이를 찾기 위해 본 연구는 한국과 말 레이시아에서 한국브랜드가 어떤 광고 어필을 활용하는지 살펴보려고 한다. 이번 연구는 유튜브 동 영상의 콘텐츠 분석을 통해 한국과 말레이시아 시장 간 광고 어필 사용의 차이를 도출하였다. 본 논문은 말레이시아 시장에서의 마케팅 커뮤니케이션 전략을 계획할 때 국내 마케팅 매니저들이 고 려할 수 있는 실질적인 시사점을 제시한다.

The introduction of autonomous underwater gliders (AUGs) specifically addresses the reduction of operational costs that were previously prohibited with conventional autonomous underwater vehicles (AUVs) using a "scaling-down" design philosophy by utilizing the characteristics of autonomous drifters to far extend operation duration and coverage. Long-duration, wide-area missions raise the cost and complexity of in-water testing for novel approaches to autonomous mission planning. As a result, a simulator that supports the rapid design, development, and testing of autonomy solutions across a wide range using software-in-the-loop simulation at faster-than-real-time speeds becomes critical. This paper describes a faster-than-real-time AUG simulator that can support high-resolution bathymetry for a wide variety of ocean environments, including ocean currents, various sensors, and vehicle dynamics. On top of the de facto standard ROS-Gazebo framework and open-sourced underwater vehicle simulation packages, features specific to AUGs for ocean mapping are developed. For vehicle dynamics, the next-generation hybrid autonomous underwater gliders (Hybrid-AUGs) operate with both the buoyancy engine and the thrusters to improve navigation for bathymetry mappings, e.g., line trajectory, are is implemented since because it can also describe conventional AUGs without the thrusters. The simulation results are validated with experiments while operating at 120 times faster than the real-time.

Leiomyosarcoma is malignant mesenchymal tumor of smooth muscle and commonly encountered in the gastrointestinal tract of dogs. However, primary canine leiomyosarcoma in oral cavity is rare due to lack of smooth muscle in the oral tissue. A 13-year-old, neutered male Poodle presented a hard and immobile mass on the left maxilla. Imprinting cytology from the mass as well as fine-needle aspirated cytology from the left scapular lymph node revealed predominant spindle cells met malignancy criteria of the tumors, including coarse chromatin, high N/C ratio, nuclear molding, macro/multi-nucleoli with cigar-shaped nucleus. Radiography of the skull showed lysis of the nasopalatine bone, and mineral radiopacity in the mass. Computed tomography showed soft tissue attenuating mass from the left incisor teeth to the left retrobulbar space with loss of nasopalatine bone and medial wall of orbit. The histopathological examination showed irregularly arranged malignant spindle-shaped cells with oval or elongated nuclei. The nucleolus is distinct and moderate cellular polymorphism is observed. Mitotic figures are occasionally observed. The tumor cells are positive to vimentin, desmin, α-smooth muscle actin when immunohistochemistry was performed, and in Masson’s trichrome stain, tumor cells are stained as red. Overall, histopathologic exam and immunohistochemistry confirmed canine oral leiomyosarcoma. Because of the poor prognosis, the owner did not consent further treatment.

The purpose of this study was to investigate the effects of extract mixture of C. wilfordii and P. umbrosa (IPLUS-CWPU) on bone growth in 4-week old young male SD rats. To confirm the effect of IPLUS-CWPU, we measured the length of bone growth plate, the ratio of proliferative zone to the length of growth plate and the expression level of insulin-like growth factor, IGF-1. The IPLUS-CWPU treatment shows a significant increase of tibial and femoral growth plate and the ratio of proliferative zone in growth plate. Especially, the length increased by 13.9% and 25.3% in the tibia and femur, respectively, in the high-dose group compared to the normal group. Moreover, the expression of IGF-1 gene in liver was upregulated in IPLUS-CWPU treated groups. These results indicated that IPLUS-CWPU administration could increase the proliferative zone of bone growth plate in early developmental stage by upregulation of IGF-1 gene.

1. 본 연구는 한국-미얀마 농업분야 개발협력(ODA)의 지속 가능성 강화 방안을 분석하기 위해 2001~2017년 시계열(time series)자료를 토대로 자기회귀분포시차 모델(Autoregressive Distributed Lag, ARDL)방법과 최소자승법(Ordinary Least Square, OLS)을 사용하였다. 2. 분석결과 1) 미얀마 농업 개발에 지원된 국제사회의 ODA, 한국이 지원한 농업 분야 ODA, 농촌 개발에 대한 한국 ODA 등의 변수가 미얀마의 농업 GDP에 긍정적으로 기여한 반면, 2) 한국 ODA는 가치사슬 분야 및 기술전수 분야에 미친 영향이 부정적으로 나타났다. 이는 이 분야의 지원 규모가 매우 작아 미얀마 농업발전에 미친 영향을 측정하기 어렵기 때문인 것으로 해석할 수 있다. 또한 한국이 미얀마에 제공한 농업 ODA 중 농산물 생산 및 유통 분야에 대한 지 원은 영향이 미미한 것으로 나타났으나 양(+)의 영향을 나타 내었다. 3. 분석 결과 한국의 미얀마 대상 농업 분야 ODA는 선택과 집중을 토대로 미얀마 농업 발전에 긍정적인 영향을 미치고 있는 농촌개발 분야에 장기적으로 지원을 확대할 필요성이 있음을 확인하였다.