• Title/Summary/Keyword: Vertical progress

Search Result 126, Processing Time 0.028 seconds

Counting Up while Doing Tasks Makes You Feel More Difficult than Counting Down

  • Ahn, Hee-Kyung
    • Asia Marketing Journal
    • /
    • v.17 no.2
    • /
    • pp.63-71
    • /
    • 2015
  • In this research, we explore whether mere exposure to external cues with vertical progress (e.g., moving upward or moving downward) can influence individuals' persistence to complete focal tasks. Drawing on the theory of embodied cognition, we propose that, a moving-upward (vs. downward) cue activates the abstract concept of difficulty, which is associated with the physical experience of climbing uphill (vs. downhill). Due to this association between moving uphill and difficulty, merely exposing individuals to the moving-upward cue can induce greater feeling of difficulty and this greater difficulty, in turn, reduce individuals' persistence, compared to exposing individuals to the moving-downward cue. Across three studies, we find supporting evidence for the effect of the external cues with vertical progress on individuals' performance both in physical tasks and in a cognitive task.

Mechanism of Soil Remediation in Contaminated Area Using Vertical Drains (연직배수재(VDs)에 의한 오염지반정화 메커니즘 연구)

  • Lee Haeng Woo;Chang Pyoung Wuck;Kang Byung Yoon;Kim Hyun Tae
    • Journal of The Korean Society of Agricultural Engineers
    • /
    • v.47 no.5
    • /
    • pp.63-71
    • /
    • 2005
  • In-situ soil remediation mechanism through the vertical drains (VDs) is analyzed with numerical model as the error and complementary error function. Results from in-situ test and analysis indicate that the contaminant concentration ratio as initial one ( C/$C_0$) increases as the radius ratio ( r/R) increases from the injection well, and also increases as the depth ratio ( z/ H) increases from the top of contaminated area. The elapse time needed to attain $50\%$ and $90\%$ clean up level ($ t_{50},\;t_{90}$) increases as the radius ratio ( r/R) and the depth ratio ( z/ H) increase. As above results, the procedure of soil flushing in contaminated area using vertical drains makes progress from the top of injection well to the bottom of extraction well.

A Low Voltage Driven Electrostatic Micro Actuator with an Added Vertical Electrode for Optical Switching (추가된 수직전글을 구비한 저전압 구동의 광 스위칭용 정전구동 마이크로 액츄에이터)

  • Yoon, Yong-Seop;Bae, Ki-Deok;Choi, Hyung;Koh, Byung-Cheon
    • The Transactions of the Korean Institute of Electrical Engineers C
    • /
    • v.52 no.1
    • /
    • pp.55-59
    • /
    • 2003
  • With the progress of optical communication technology recently, the development of micro actuator using MEMS technology has been made for optical switching. The actuation types are various; electrostatic, electromagnetic, and electrostatic +electromagnetic etc. Among them, the electrostatic type is the most popular because of the relative ease of fabrication, integration and shielding as well as low power consumption. However, it needs a high voltage to generate a larger driving force. To overcome this problem, we proposed a new type of electrostatic actuator with an extra vertical electrode in addition to the horizontal one. The vertical electrode also lays a role of making the stable angular rotation as a stopper. From the theoretical analysis and experiment, we find the actuation voltage can be reduced up to 50 % of that of the conventional one.

EFFECTS OF LEAF MATURITY ON THE DISEASE PROGRESS OF SEPTORIA BROWN SPOT IN SOYBEAN (대두잎의 성숙도가 갈색무늬병의 진전에 미치는 영향)

  • Oh Jeung Haing
    • Korean Journal Plant Pathology
    • /
    • v.3 no.4
    • /
    • pp.285-290
    • /
    • 1987
  • Septoria brown spot caused by Septoria glycines Hemmi is one of the serious fungal diseases in soybean. Since little has been known about the disease progress in the field, the present study was conducted to determine the factors affecting the disease progress in the soybean plant. Disease severity and pattern of the progress of the Septoria brown spot were different with varieties. Susceptibility of soybean plants increased with increase of plant age and leaf maturity in order from the primary leaf to the newly expanded leaf. It seemed to be related with conidial germination on the leaves. Germination and germtube elongation were more inhibited by the diffusates obtained from upper leaves than those from lower leaves and they were higher in a susceptible variety than in a moderately resistant one.

  • PDF

The Latest Improvements in Evaporation System for Mass Production of OLED TV

  • Yoon, Hyung-Seok;Kang, Chang-Ho;Yoon, Hyung-Seok
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 2008.10a
    • /
    • pp.1168-1170
    • /
    • 2008
  • For OLED to be a key role in the television market, a manufacturing evaporation system with robustness and high throughput is indispensable. ANS is currently developing manufacturing equipments for OLED TVs. ANS's latest progress of a vertical high throughput in-line evaporation system for large substrate will be presented.

  • PDF

Airspace Safety Assessment for Implementation of the Japanese Domestic Reduced Vertical Separation Minimum

  • Amai, Osamu;Nagaoka, Sakae
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
    • /
    • v.1
    • /
    • pp.435-440
    • /
    • 2006
  • The Reduced Vertical Separation Minimum (RVSM), which is the reduced minimum from 2,000 ft to 1,000 ft at flight levels (FL) between 290 and FL410 inclusive, was implemented in 30 September 2005 within the Japanese domestic airspace. Prior to the implementation, safety assessment for the airspace in assumed RVSM environments was carried out. Some model parameter values of collision risk model were estimated using flight plan (progress) data and radar data. An estimate of vertical collision risk including operational risk was calculated using these together with given parameter values. The results obtained from this analysis are as follows. (1) Contribution of the vertical collision risk for the crossing routes is about 9 percents of the total technical risk. (2) The estimate of the collision risk is $4.1{\times}10^{-9}$ [fatal accidents / flight hour] and the value is smaller than a maximum allowable level of collision risk, i.e. $5{\times}10^{-9}$ [fatal accidents / flight hour], called the Target Level of Safety.

  • PDF

Development and Seismic Performance of Vertical Joints in Precast Concrete Shear Walls under Cyclic Loads (반복하중을 받는 PC 전단벽체에서 수직접합부의 개발 및 내진성능평가)

  • Kim, Ook Jong;Oh, Jae Keun;Kang, Su Min
    • Journal of the Korea institute for structural maintenance and inspection
    • /
    • v.16 no.1
    • /
    • pp.140-148
    • /
    • 2012
  • Recently there are many attempts to introduce PC construction method in buildings. But the study on PC structural wall has been made progress so slowly because it is very difficult to develop new items. In this study, we have developed new vertical joint on PC wall in order to upgrade constructivity and structural performance of the existing connections, then we have evaluated the seismic resistance performance. As a result of the cyclic loading tests for two specimens, proposed vertical joint on PC wall has shown that it behave the excellent structural performance in comparison to PC wall having no joint. Therefore, we think that proposed vertical joint is the system to apply buliding structure.

Object and Structure in Elementary School Mathematics: Horizontal and Vertical Diversity of Structure (초등수학에서 대상과 구조: 구조의 횡적 다양성과 종적 다양성)

  • Yim, Jaehoon
    • Journal of Elementary Mathematics Education in Korea
    • /
    • v.16 no.3
    • /
    • pp.321-336
    • /
    • 2012
  • Cognitive subject imposes structures on an object to shape it into a structured thing. Structures that the subject imposes on an object in a given problem context can be diverse horizontally and vertically. In view of the horizontal diversity of structure, problem-solving activities focusing on various structures may enrich the present problem-solving education which emphasizes applying and comparing a couple of problem-solving strategies. Finding an algebraic formula for a figural pattern should be regarded as a new starting point of searching for more various structures. In view of the vertical diversity of structure, it should be aware that students may see different structures from the structure that their teacher expect them to see. The vertical diversity of structure enables us to provide students with experience of progress.

  • PDF

Heat Transfer in Heat Storage System with P.C.M. - Inward Melting in a Vertical Tube (상변화 물질을 사용한 축열조에서의 열전달 - 수직원관에서의 내향용융 실험 -)

  • Shon, H.S.;Hwang, T.I.;Lee, C.M.;Choi, G.G.;Yim, C.S.
    • Solar Energy
    • /
    • v.9 no.1
    • /
    • pp.53-61
    • /
    • 1989
  • In the present investigation, experiments on the melting of a phase change material were performed to research heat transfer phenomena generated by means of conduction and natural convection in the vertical tube at inward melting. The phase change material used in the experiments is 99 percent pure n-Docosane paraffin which is measured melting temperature of $42.5^{\circ}C$, latent heat of 37.5 cal/g, heat conductivity of $0.1505W/m^{\circ}C$. Experiments were performed both in the no-subcooling which is initiating it at melting temperature of phase change material, and in the subcooling which means to initiate it under melting temperature of phase change material, in order to compare and investigate the horizontal temperature history, vertical temperature history, ratio of melting and melted mass, figure of the melting front in the vertical tube. In the experimental results, heat transfer from tube wall to phase change material were due to conduction at early stage and due to natural convection with the passage of time, and then occurred melting downward from surface by volumetric expansion. Natural convection affects temperature distribution in the tube, ratio of melting and melted mass, figure of the melting front and then progress rapidly in case of nosubcooling compared to subcooling.

  • PDF

Significant Progress in Construction Equipment of Super High-Rise Building

  • Zhang, Kun;Wang, Hui;Wang, Kaiqiang;Cui, Jian;Chen, Bo;Li, Di
    • International Journal of High-Rise Buildings
    • /
    • v.7 no.3
    • /
    • pp.243-253
    • /
    • 2018
  • The construction of rapid developing super high-rise buildings constantly faces great challenges and the innovation of construction equipment is a focus of these challenges. In this paper, three new inventions including the operation platform, tower crane and hoist are put forward around two of the most important issues of super high-rise building construction: vertical transportation and operation environment. Study background, composition of the equipment, working principles and key technologies are introduced in sequence. In the end, the paper summarizes the main problems in the further development of construction equipment.