• Title/Summary/Keyword: compatibility.

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Mating Behavior, Mycotoxin Production, and Vegetative Compatibility of Gibberella fujikuroi Species Complex from Sorghum in Korea

  • Lim, Sun-Hee;Yun, Sung-Hwan;Lee, Yin-Won
    • The Plant Pathology Journal
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    • v.17 no.5
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    • pp.276-280
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    • 2001
  • Fusarium isolates of Gibberella fujikuroi species complex were obtained from sorghum grown in five provinces of Korea in 1996 and 1997. These isolates were characterized based on their mating behavior, mycotoxin production, and vegetative compatibility. Only three mating populations (A, D, and F) were recovered from a total of 155 isolates examined. The relative frequency of the mating populations was significantly different: F was predominant (80%), while D and A were observed at low frequencies of 9% and 3%, respectively. Female fertile isolates were more common within F (44 our of 124) than D (2 out of 14), while none of the five A isolates were female fertile. The inbreeding effective population sizes ($\textrm{N}_e$)for mating type and male/hermaphrodite ratios in mating populations A and D produced significant amounts of fumonisins, while F isolates produced none or only traces of fumonisin B$_1$. In contrast. F isolates produced higher amounts of moniliformin (average of 3,820 ppm) than A and D isolates (averages of 77 and 1,819 ppm, respectively). Fifty-one isolates were tested for vegetative compatibility using nitrogen non-utilization mutants of each isolate, and 44 vegetative compatibility groups (VCGs) were identified. A single VC type (VC1) was found in all of the five A isolates examined. Six of the D isolates examined consisted of three VC types: two for VC2, two for VC3, and the rest for VC4. All of the F isolates tested were incompatible in every combination and , thus, each constituted a unique VCG.

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The moderating effect of spousal support and support systems for work-family compatibility on work-family conflict and psychological well-being of working mothers (취업모의 일-가정 갈등이 심리적 복지감에 미치는 영향에서 배우자지지 및 일-가정양립지원제도의 조절효과)

  • Park, Ju-Hee
    • Journal of Family Resource Management and Policy Review
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    • v.22 no.3
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    • pp.43-59
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    • 2018
  • The purpose of this study were to explorer the factors affecting the psychological well-being of working mothers and to investigate the moderating effect of spousal support and support systems for work family compatibility on relationship between work-family conflict and psychological well-being. The subjects were 300 working mothers who are aged under 50, have more than one child live in Seoul. The collected data were analyzed using SPSS 21.0. The Results are follows. First, the analysis of work-family conflicts, spousal support and support systems for work-family compatibility, and psychological well-being of working mothers indicated that the working mothers perceived family-work conflict to be higher than work-family conflict. The working mothers received stronger support from support systems intended for work-family compatibility than from their spouses. The score of the psychological well-being of the working mothers was 3.27 (standard deviation = .91), which is higher than median. Second, the factors influencing the working mothers' psychological well-being were age, monthly household income, number of children, work${\rightarrow}$family and family${\rightarrow}$work conflict, and spousal support. Greater psychological well-being was linked to a young maternal age, a high monthly household income, a low number of children, low levels of work${\rightarrow}$family and family${\rightarrow}$work conflict, and strong spousal support. Third, spousal support mediated the relationship between family${\rightarrow}$work conflict and psychological well-being.

Relation of Deflection of Prestressed Concrete Members to Unbonded Tendon Stress and Effects of Various Parameters (비부착 프리스트레스트 보강재를 갖는 PSC 부재의 변위와 프리스트레스트 보강재 응력의 상관관계 및 변수별 효과)

  • 문정호;임재형;이창규
    • Journal of the Korea Concrete Institute
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    • v.14 no.2
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    • pp.171-179
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    • 2002
  • This paper is a part of research series for the verification of the proposed Moon/Lim design equation. An analytical study was performed to examine the relation between the flexural behavior and the unbonded tendon stress of PSC members. The strain compatibility assumption was used in this study since previous studies showed that the stress variations of tendon had a close relation with the member displacements. The proposed equation has been developed with the same assumption of strain compatibility. Therefore the analytical procedure with the strain compatibility assumption was developed to compute the member displacements of previous tests. Then the analytical results were compared with tests results. The comparison showed that the strain compatibility assumption can be properly applicable to the design equation. Based on the analytical results, the relation between the tendon stress and the member flexural behavior at ultimate was examined. A parametric study also carried out with regard to the member displacements. As results, the parameters used for the proposed equation were proven to be proper for the computation of tendon stress.

Genetic Diversity of Fusarium proliferatum Populations from Maize, Onion, Rice and Sugarcane in Iran Based on Vegetative Compatibility Grouping

  • Alizadeh, Alireza;Javan-Nikkhah, Mohammad;Fotouhifar, Khalil-Berdi;Motlagh, Elahe Rabiee;Rahjoo, Vahid
    • The Plant Pathology Journal
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    • v.26 no.3
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    • pp.216-222
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    • 2010
  • Fusarium proliferatum is the causal agent of stalk and root rot disease of maize, foot rot disease of rice, basal and root rot disease of onion and knife cut disease of sugarcane in Iran. In recent years, incidence and severity of these diseases have been increased in Iran. Fifty seven F. proliferatum single-spore isolates collected from diseased maize, rice, onion and sugarcane plants at different areas were used to study genetic diversity by determination of vegetative compatibility groups (VCGs). Chlorate-resistant nitrate non-utilizing (nit) mutants were recovered from selected isolates of F. proliferatum and used in complementation tests. All isolates in which both nit1 and NitM (or nit3) mutants were recovered, demonstrated self-compatibility. Vegetative compatibility tests by pairing nit mutants identified 30 VCGs among 57 isolates. Twenty-three isolates belonged to singlemember VCGs and the remaining 34 isolates, belonged to other seven multimember VCGs. Segregation of F. proliferatum isolates obtained from various area and host plants into different VCGs in Iran is reported for the first time. In this study, none of isolates obtained from rice complemented with any other isolates from onion and sugarcane and, non complementation occurred between onion and sugarcane isolates. Also, only one complementation occurred between one isolate of maize and one isolate of sugarcane and rice. Thus, a correlation between VCGs grouping and host preferences was founded. It is concluded that natural populations of F. proliferatum in Iran are probably genetically divergent and include isolates representing a potential risk for disease development.

Vegetative Compatibility, Isozyme Polymorphisms and Pathogenicity of Isolates of Fusarium oxysporum f. sp. fragariae (딸기 시들음병균(Fusarium oxysporum f. sp. fragariae)의 균주간 Vegetative Compatibility, 동위효소 Polymorphism과 병원성)

  • 현재욱;김순옥;박원목
    • Korean Journal Plant Pathology
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    • v.12 no.1
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    • pp.33-40
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    • 1996
  • 우리나라 여러 딸기 재배지에서 전형적인 시들음 증상을 나타내는 이병식물에서 분리한 32개의 Fusarium oxysporum 균주들을 vegetative compatibility와 전기영동에 의한 동위효소상의 차이에 의해 분류하고 이들과 병원성과의 관계를 알아보았다. Nitrate nonutilizing(nit) mutant를 이용하여 vegetative compatibility group으로 분류해 본 결과 크게 A, B, C, D의 4개 그룹으로 나눌 수 있었으며 A그룹에는 15개 균주, B그룹에는 7개 균주, C와 D그룹에는 각각 2개 균주, 그리고 single VCG인 6개 균주가 존재하였다. 전기영동에 의한 esterase, catalase, acid phosphatase, leucin-aminopeptidase(LAP)의 동위효소상을 비교하여 본 결과 I, II, III, IV의 4개 그룹으로 나눌 수 있었으 I 그룹에는 18개 균주, II그룹에는 2개 균주, III그룹에는 6개 균주, IV그룹에는 6개 균주로 분류할 수 있었다. 또한, VCG의 A와 D그룹에 속하는 모든 균주들의 동위효소상의 I 그룹에 속하였으며 VCG B그룹의 7개 균주들 중에서 5개 균주가 동위효소상의 IV그룹, 7개 균주들 중에서 5개 균주가 동위효소상의 IV그룹, 나머지 2개 균주는 I 그룹과 III 그룹에 속하였으며 C그룹의 균주는 III과 IV 그룹에 속하였고, single VCGs들은 III 그룹에 4개 균주, II 그룹에 2개 균주가 속하므로 VCG와 동위효소상 간에는 밀접한 관계가 있음을 알 수 있었다. 4개 딸기 품종에 대해 병원성을 비교하여 본 결과 VCG A에서 선발된 2개 균주들은 보교조생에 대해 가장 병원성이 강하였으며 정보나 여홍에 대해서도 강한 병원성을 가지고 있었다. 반면에 B 그룹에서 선발된 2개 균주들은 4개 품종에 대해 병원성이 약하거나 거의 없었으며 C 그룹에서 선발된 1개 균주는 여홍에 대해 상대적으로 가장 강한 병원성을 가지고 있었다.

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Suppression of Rhizoctonia spp. by Antagonistic Microorganisms and Their Compatibility with Fungicides (길항미생물에 의한 Rhizoctonia spp.의 억제 및 길항미생물의 농약 혼용시 생존율)

  • 이상재;심경구;김영권;허근영
    • Asian Journal of Turfgrass Science
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    • v.12 no.1
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    • pp.23-30
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    • 1998
  • 174 isolates of soil microorganisms were isolated from E-golf club from Apr.1997 through Oct. 1997. And 27 strains of them were selected through the inhihition test of mycelial growth. In the same period, soil-borne diesease pathogens, "Rhizoctonia", causing Large patch, Brown patch, Spring dead spot, and Yellow patch were isolated from the diseased areas in E-golf and S-golf club. The antagonistic activity of the strains against the pathogens was tested to select the excel-lent antagonists. In contact with the fungicides, the survivability of the antagonists was tested to assess the compatibility of the antagonists with the pesticides. The results were as follows: 1.Suppression of Rhizoctonia by Antagonists. Antagonistic activity of 27 strains against the pathogens was: tested in vitro. In the result, 3 isolates(B-7, B-15, B-41) of bacteria and 2 isolates(F-5, F-47) of fungi were superior to the rest. 2.Compatibility of the antagonists: with the fungicides: With 13 kinds of pesticides widely using Golf Club, Compatibility of 5 antagonists: were finally tested to select the strains: that mostly survived in contact with pesticides. In the results:, two of five strains: were selected : one strain was bacteria B-15, the other strain was fungi F-47. 24h after the mixing with pesticides:, these two strains were shown to survive at 90% level and these were identified as Bacillus and Trichoderma, respectively. And the most compatible pesticides: with the antagonists were shown to Polytoxin-D thirarn(s:urvivability 99.4%) and Validamycin-A (survivability 98.6%). Keywords:Antagonist, Large Patch, Trichoderma, Compatibility, Fungicide.Fungicide.

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RF Compatibility Design & Verification for the SAR Satellite (SAR 위성의 고주파 호환성 설계 및 검증)

  • Won, Young-Jin;Park, Hong-Won;Moon, Hong-Youl;Woo, Sung-Hyun;Kim, Jin-Hee
    • Aerospace Engineering and Technology
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    • v.10 no.2
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    • pp.37-48
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    • 2011
  • Synthetic Aperture Radar(SAR) is a powerful and well established microwave remote sensing technique which enables high resolution measurement of Earth surface independent of weather conditions and sunlight illumination. KARI has been developing the first Korea SAR satellite which is scheduled to be launched in this year. The SAR satellite mainly consists of the bus platform and SAR payload. Most of all, the RF compatible design during the design phase and the verification of the RF compatibility during the testing phase is very important procedure for the in-orbit performance guarantee because the SAR payload radiates high power through the SAR antenna. In this study, the SAR satellite design criteria and verification procedure for the RF compatibility are described. In addition, this paper describes the RF full radiation testing (RF auto-compatibility testing) for the verification of the RF performance robustness, the testing configuration, and the test results.

A Compatibility Assessment and Verification of Suitable to DICOM of PACS DATA CD : Current Situation Investigation of Korea (PACS DATA CD의 호환성 평가 및 DICOM 적합성에 대한 검증을 통한 기준 제시)

  • Jeong, Jae-Ho;Sung, Dong-Wook;Park, Bum-Jin;Son, Gi-Gyeong;Kang, Hui-Doo
    • Korean Journal of Digital Imaging in Medicine
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    • v.10 no.1
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    • pp.29-34
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    • 2008
  • Purpose To analyze the input and output error of data CD which records the image information and the problems of the server of the compatibility. And to report a compatibility assessment and verification of suitable to DICOM of PACS data CD with investigation of current situation of Korea METHOD AND MATERIALS Date CD of each 8 vendors in 30 hospitals was analyzed. We grasped a main verification element existence of a generation compatibility of data CD. The items of element are media identification, DICOM compression, DICOM viewer send, specified object information modify, auto-run, DICOM content type, etc, and give 1 point for each item. We divided the assessment about an each item into 5 levels. Verification about. DICOM conformance by using DICOM validation tool kit is shown to be classified pass or fail according to error occurrence of tag valus. Classify the prequency of tag occurrence as the item. RESULTS The average point of date CD compatibility is 8 point (very good), lowest is 5 point (6.6%), and highest is 10 point (23%_. Most high occurrence frequency's distribution is 7 point (36.6%). As a result of verification about DICOM conformance, PASS in 8 occurrence frequency's distribution is 7 point (36.6%). As a result of verification about DICOM maximum length numbers (14 items), DICOM error of modality (10 items), discord of pixel data length (6 items). etc.

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A Study on the Identification of Open Source License Compatibility Violations (오픈 소스 라이선스 양립성 위반 식별 기법 연구)

  • Lee, Dong-Gun;Seo, Yeong-Seok
    • KIPS Transactions on Software and Data Engineering
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    • v.7 no.12
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    • pp.451-460
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    • 2018
  • Open source software is used in various ways when developing new softwares all around the world. It requires rights and responsibilities as a form of an open source software license. Because the license is a contract between original software developers of the open source software and users, we must follow it and extremely cautious to avoid copyright infringement. In particular, we must verify license compatibility when we develop new software using the existing open source softwares. However, license violation issues always occur and lead to lawsuits so that they are having an adverse effect on the open source software ecosystem. Thus, in this paper, we propose a method, OSLC-Vid, to identify license violations whether compatibility issues exist between open source softwares. The proposed method is verified by the experiments to detect actual license violation cases.

Compatibility Study between Physiologically Based Pharmacokinetic (PBPK) and Compartmental PK Model Using Lumping Method: Application to the Voriconazole Case (럼핑법을 이용한 생리학 기반 약물동태모델 및 구획화 약물동태모델 상호 호환 연구: 보리코나졸 적용 연구)

  • Ryu, Hyo-jeong;Kang, Won-ho;Chae, Jung-woo;Yun, Hwi-yeol
    • Korean Journal of Clinical Pharmacy
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    • v.31 no.2
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    • pp.125-135
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    • 2021
  • Background: Generally, pharmacokinetics (PK) models could be stratified into two models. The compartment PK model uses the concept of simple compartmentalization to describe complex bodies, and the physiologically based pharmacokinetic (PBPK) model describes the body using multi-compartment networking. Notwithstanding sharing a theoretical background in both models, there was still a lack of knowledge to enhance compatibility in both models. Objective: This study aimed to evaluate the compatibility among PBPK, lumping model and compartment PK model with voriconazole PK case study. Methods: The number of compartments and blood flow on each tissue in the PBPK model were modified using the lumping method, considering physiological similarities. The concentration-time profiles and area under the concentration-time curve (AUC) parameters were simulated at each model, assuming taken voriconazole oral 400 mg single dose. After that, those mentioned PK parameters were compared. Results: The PK profiles and parameters of voriconazole in the three models were similar that proves their compatibility. The AUC of central compartment in the PBPK and lumping model was within a 2-fold range compared to those in the 2- compartment model. The AUC of non-eliminating tissues compartment in the PBPK model was similar to those in the lumping model. Conclusion: Regarding the compatibility of the three PK models, the utilization of the lumping method was confirmed by suggesting its reliable PK parameters with PBPK and compartment PK models. Further case studies are recommended to confirm our findings.