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Sporosarcina koreensis sp. nov. and Sporosarcina soli sp. nov., isolated from soil in Korea
Kwon, Soon-Wo,Kim, Byung-Yong,Song, Jaekyeong,Weon, Hang-Yeon,Schumann, Peter,Tindall, Brian J.,Stackebrandt, Erko,Fritze, Dagmar Microbiology Society 2007 International journal of systematic and evolutiona Vol.57 No.8
Ureibacillus suwonensis sp. nov., isolated from cotton waste composts.
Kim, Byung-Yong,Lee, Seon-Young,Weon, Hang-Yeon,Kwon, Soon-Wo,Go, Seung-Joo,Park, Yong-Keun,Schumann, Peter,Fritze, Dagmar Society for General Microbiology 2006 International journal of systematic and evolutiona Vol.56 No.3
<P>The taxonomic position of two spore-forming strains 6T19T and 6T29, isolated from cotton composts for the cultivation of oyster mushroom (Pleurotus ostreatus), was investigated by a polyphasic approach. Cells of strains 6T19(T) and 6T29 were rod-shaped, Gram-negative and strictly aerobic. Sequencing and comparative analyses for the 16S rRNA genes of these strains clearly showed their phylogenetic affiliation to the genus Ureibacillus. Their closest relatives Ureibacillus thermosphaericus and Ureibacillus terrenus have sequence similarity of 96.9 and 97.5%, respectively. The isoprenoid quinones of isolate 6T19T were MK-9, MK-8, MK-7, MK-10 and MK-6 (45:27:18:5:4%), the peptidoglycan type was L-lys<--D-Asp and the main cellular fatty acid was i-C(16:0). DNA-DNA hybridization experiments resulted in relatedness values of 37% between 6T19T and U. thermosphaericus DSM 10633T and 41% between 6T19T and U. terrenus DSM 12654T. Based on the polyphasic data, strains 6T19T and 6T29 can be described as members of a novel species of the genus Ureibacillus, for which the name Ureibacillus suwonenesis sp. nov. is proposed. The type strain is 6T19T (= KACC 11287T = DSM 16752T).</P>
Kathryn Fritz(Kathryn Fritz ),Patrick J. O’Connor(Patrick J. O’Connor ) 사피엔시아 2018 Exercise Medicine Vol.2 No.-
Objectives: The purpose of this study was to determine whether cardiorespiratory fitness and leisure time physical activity in men screening positive for ADHD were low compared to age- and sex-matched reference values. Methods: 30 college men screening for ADHD were recruited. Data were collected between October 2014 and April 2015. Maximal cycle exercise tests were performed to assess cardiorespiratory fitness and typical 7-day leisure time physical activity was self- reported. Results: Mean cardiorespiratory fitness was 0.94 SD lower than age- and sex-matched reference values. Cardiorespiratory fitness and ADHD symptoms were significantly negatively associated (r= -.39). Leisure time physical activity was 0.3 SD lower than a prior study of 411 college students. A linear regression showed a significant prediction of cardiorespiratory fitness from the combination of ADHD symptoms and leisure time physical activity. Conclusions: Men screening positive for ADHD was characterized by low cardiorespiratory fitness and leisure time physical activity.
Fritz Jerald V. Principe,Jeanette Angeline B. Madamba,James Roldan S. Reyes,Loida E. Mojica,Mar B. Cruz 아시아무역학회 2020 Journal of Asia Trade and Business Vol.7 No.2
Purpose – The study assessed the influence of some variables relevant to vegetable farmers’ decisions in farm machinery usage. The decision of farmers in using farm machineries is determined by a number of social, technical, environmental and economic factors. Design/Methodology/Approach – The binary logit model was employed to determine the relationship of the predetermined factors on farmers’ use of a single-specific farm machine. Furthermore, the study utilized negative binomial regression to assess the factors influencing the decisions of farmers in using various farm machineries in their farming operations. Findings – Results showed that majority of the farmers still follow traditional farming methods using very limited farm technologies. Farmers face the challenge of optimizing their land use, and this includes their decision whether or not to use farm machineries in their farming operations in order to boost production. Various factors are considered, more than just the cost of technology. Thus, a combination of household-specific, economic, technology, institutional and moderating factors influences the technology adoption decisions of vegetable farmers. Moreover, it was revealed that formal education, household size, household income, cash availability, farm size, access to extension workers, attendance in seminars, trainings and workshops, and on-farm demo participation are all positively related to the probability of farmers’ usage of identified farming machines. Conversely, farming experience, cost of technology, technology triability, credit access, and farm distance to market are all found to be negatively related to the probability of farmers’ usage of farm machineries. Research Implications – Various recommendations were offered to address challenges encountered by farmers in terms of farm machinery usage including changing the farmers’ mindset from a traditional perspective to a market-oriented one via the R.E.S.E.T. model.
Fritz Klocke,Tolga Cayli,Dieter Lung,Benjamin Döbbeler,Hubertus Sangermann 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.
In the field of machining difficult-to-cut materials like titanium or nickel-based alloys, the use of high-pressure cooling lubricantsupply (HPCLS) offers huge potential to significantly increase productivity and process stability. Due to enhanced cooling andlubrication of the cutting zone, tool wear can be decreased which allows higher applicable cutting speeds. Furthermore, processstability can be increased through effective chip breaking and evacuation. Increasing energy prices and legislative frameworkconditions, require energy efficient machine tools and processes. Since additional energy is required to run the high-pressure pump,it has to be determined if the overall process is still energy-efficient due to the increase in productivity resulting in shorter cycle times. In this paper the overall aim is to evaluate the conventional-flood-cooling and HPCLS in terms of economics and energy efficiency. Therefore a case study has been performed in which the energy consumption and production times for machining a rotationallysymmetric jet engine part made of Inconel 718 were compared for both conventional and HPCLS. Furthermore, an ecologicalevaluation has been conducted to determine the advantageousness of the HPCLS. Due to the rising necessity of suppliers to providea product carbon footprint, a methodology for assessing the footprint has been applied.
Fritz Sihombing,Marco Torbol 국제구조공학회 2019 Smart Structures and Systems, An International Jou Vol.23 No.2
The probabilistic tsunami risk assessment of large coastal areas is challenging because the inland propagation of a tsunami wave requires an accurate numerical model that takes into account the interaction between the ground, the infrastructures, and the wave itself. Classic mesh-based methods face many challenges in the propagation of a tsunami wave inland due to their ever-moving boundary conditions. In alternative, mesh-less based methods can be used, but they require too much computational power in the far-field. This study proposes a hybrid approach. A mesh-based method propagates the tsunami wave from the far-field to the near-field, where the influence of the sea floor is negligible, and a mesh-less based method, smooth particle hydrodynamic, propagates the wave onto the coast and inland, and takes into account the wave structure interaction. Nowadays, this can be done because the advent of general purpose GPUs made mesh-less methods computationally affordable. The method is used to simulate the inland propagation of the 2004 Indian Ocean tsunami off the coast of Indonesia.
토양수분 , 재배시기 , 수확기 및 시비(施肥)가 무우의 질산염함량에 미치는 영향
Fritz, D,박권우 한국환경농학회 1982 한국환경농학회지 Vol.1 No.1
Studies on the effect of soil moisture, different seasons, harvesting periods and nitrogen application on the nitrate content of radish(Raphanus sativus L. var. niger(Mill.) S. Kerner) were carried out in pot and green house. The results are as follows; The low level of soil moisture leads to an increased nitrate accumulation in radish root. The nitrate content was found to be higher in spring crops and lower in summer ones. It was decreased during harvesting period. The application of nitrogen fertilizer increased the nitrate content in radish root. We found the highest content in petioles with lesser content in roots and leaf blades in that order. The multiple regression analysis and the nutritional value of nitrate content in radish were discussed.
Fritz Sihombing,Marco Torbol 국제구조공학회 2016 Smart Structures and Systems, An International Jou Vol.18 No.6
This study presents a new method to computes analytical fragility curves of a structure subject to tsunami waves. The method uses dynamic analysis at each stage of the computation. First, the smooth particle hydrodynamics (SPH) model simulates the propagation of the tsunami waves from shallow water to their impact on the target structure. The advantage of SPH over mesh based methods is its capability to model wave surface interaction when large deformations are involved, such as the impact of water on a structure. Although SPH is computationally more expensive than mesh based method, nowadays the advent of parallel computing on general purpose graphic processing unit overcome this limitation. Then, the impact force is applied to a finite element model of the structure and its dynamic non-linear response is computed. When a data-set of tsunami waves is used analytical fragility curves can be computed. This study proves it is possible to obtain the response of a structure to a tsunami wave using state of the art dynamic models in every stage of the computation at an affordable cost.