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Identification of Iranian Vectors of Malaria by Analysis of Cuticular Hydrocarbons

  • Rasoolian, Mohammad;Nikbakhtzadeh, Mahmood Reza
    • Animal cells and systems
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    • 제13권3호
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    • pp.331-337
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    • 2009
  • Twenty-eight Anopheles species has been so-far identified in Iran, while only 8 species was proved as malaria vector. In this study, we principally examined the cuticular hydrocarbon (CHC) potency in identification of Iranian vectors of malaria and then differentiation of vector and non-vector species of Anopheles. Seven species of malaria vectors and the non-vector species, Anopheles claviger were collected throughout Iran. Female extracts were made out of every five conspecific specimens by surface immersion in pure n-hexane. Each sample was injected into a FID-GC instrument along with the known concentrations of standards. CHC profiles of the eight Anopheles species indicated no qualitative difference. The average mass of each eluted CHC were compared using Repeated ANOVA and Mann-Whitney tests. Results confirmed a significant difference in mass of each single CHC at a specific retention time (RT). Statistical comparison of CHC mass in An. sacharovi, An. stephensi, An. culicifacies and An. fluviatilis at RT 39.6 indicated significant differences (P<0.05) among these species. Analysis of CHC mass of An. dthali, An. superpictus & An. sacharovi at RT 28.5, An. stephensi & An. sacharovi at RT 30.7 and An. sacharovi & An. claviger at RT 30.6 similarly indicated significant differences (P<0.05). An. sacharovi could be distinguished from other species, which showed only trace, by integratable peaks at retention times of 29.7, 31 and 32.6. Similarly, An. claviger could be distinguished from the other species with a trace peak at RT 30.6. In order to separate An. stephensi from the five other species, the integratable peak at RT 30.7 was used. An. dthali could be identified at RT 26.2 by an integratable peak v.s. the trace peaks of other species. An. superpictus had indicator peaks at RTs 27.4 & 28.5 v.s. trace peaks of other species. An. maculipennis with its trace peak at RT 39.6 could be easily differentiated from An. fluviatilis & An. culicifacies. This study proved that all of the examined species of Anopheles could be well identified based on their quantitative differences in CHCs, except for An. fluviatilis & An. culicifacies for which no CHC indicator peak was detected.

Ubiquitous 개념에 의한 정보화사회의 업무공간 특성에 관한 연구 (A Study on the Characteristic Office Space in the Information Society through Ubiquitous Theory)

  • 유제환;신홍경
    • 한국실내디자인학회:학술대회논문집
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    • 한국실내디자인학회 2004년도 추계학술발표대회 논문집
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    • pp.46-49
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    • 2004
  • A contemporary office space is changed by the transformation to an information-oriented society from an industrial society. A contemporary office space is recognized as an interactional space which is more of a mental and psychological space than a physical space. I studied the basic concept of an office space and the relationship of a social change and an office space on this study. I also studied the concept of an ubiquitous computing and the relationship of an ubiquitous computing and an office space. Through this study, we can establish the new concept of an office space to be applied to an ubiquitous concept. The ubiquitous concept of an office space will be brought into a new prototype of an office space, and then there is no more important to a physical place and time. The office space must be redesigned by an ubiquitous space nowadays.

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The Challenge of Arbitral Awards in Pakistan

  • Mukhtar, Sohaib;Mastoi, Shafqat Mahmood Khan
    • 한국중재학회지:중재연구
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    • 제27권1호
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    • pp.37-57
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    • 2017
  • An arbitrator in Pakistan is required to file an arbitral award in a civil court of competent jurisdiction for its recognition and enforcement if an arbitral award is domestic or before the concerned High Court if the arbitral award is international. The court of law is required to issue a decree upon submitted arbitral award if an interested party do not apply for modification or remission of an arbitral award and do not challenge it for setting it aside or for revocation of its recognition and enforcement within a prescribed time limit. The challenging process of an arbitral award can be started by the aggrieved party of an arbitration agreement at the seat of arbitration or at the place where recognition and enforcement of an arbitral award is sought. The aggrieved party to an arbitration agreement is required to challenge an arbitral award within a prescribed time limit if contracting parties have not excluded the right to challenge an arbitral award. Limitation for challenging an arbitral award in Pakistan is 30 days under article 158 of the Limitation Act 1908, starting from the date of service of notice of filling of an arbitral award before the court of law. Generally, 90 days are given for an appeal against decision of the civil court of law under section 96 of the Code of Civil Procedure 1908, it is therefore highly recommended that challenging time of an arbitral award should be increased from 30 to 90 days.

A note on M-groups

  • 왕문옥
    • 한국수학사학회지
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    • 제12권2호
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    • pp.143-149
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    • 1999
  • Every finite solvable group is only a subgroup of an M-groups and all M-groups are solvable. Supersolvable group is an M-groups and also subgroups of solvable or supersolvable groups are solvable or supersolvable. But a subgroup of an M-groups need not be an M-groups . It has been studied that whether a normal subgroup or Hall subgroup of an M-groups is an M-groups or not. In this note, we investigate some historical research background on the M-groups and also we give some conditions that a normal subgroup of an M-groups is an M-groups and show that a solvable group is an M-group.

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SEM/EDX를 이용한 OPC 드럼용 Al 튜브의 표면결함 분석에 관한 연구 (On the Surface Defect Analysis of an Aluminum Tube for an OPC Drum using n SEM and EDX)

  • 김청균
    • Tribology and Lubricants
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    • 제23권4호
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    • pp.143-148
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    • 2007
  • The surface defects of an aluminum tube for an OPC drum have been analyzed using a scanning microscopy(SEM) and an energy dispersive X-ray analyze.(EDX). The SEM/EDX system, which may provide good information on the surface defects and their distributions, provides an optical diameter of an impurity and a chemical composition. These are strongly related on the coated film thickness and quality of an OPC drum, which is a key element of a toner cartridge for a laser printer. The experimental results show that the local deformations, scratch wear, and flaws are produce the non-uniform coating layers, which may be removed by a manufacturing process of an aluminum tube. The major parameters on the coating quality of an OPC drum are the impurities of an aluminum tube such as silicon, oxygen, calcium, carbon, sulphur, chlorine, and others. These impurities may be removed by an ingot molding, extrusion and drawing, quality control, and packing processes with a strict manufacturing technology.

Quality Management for Steam Generator Lancing & FOSAR

  • Park, Byeong-Mok;Han, Jae-Hyun;Choi, Kwan-Seok;Kim, Young-Kug;Kim, Sam-Hyun;Lee, Chang-Yul;Jang, Hee-Kon
    • 한국방사성폐기물학회:학술대회논문집
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    • 한국방사성폐기물학회 2017년도 춘계학술논문요약집
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    • pp.417-418
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    • 2017
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아미드옥심기와 인산기가 함유된 이온 교환 섬유의 합성 및 우라늄 흡착 특성 (Synthesis of ion Exchange Fiber Containing Amidoxime and Phosphoric Acid Groups and Its Uranium Adsorption Properties)

  • 황택성;박진원
    • 폴리머
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    • 제27권3호
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    • pp.242-248
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    • 2003
  • 전자선 전조사법을 이용하여 아크릴로니트릴 (AN)과 스티렌 (Sty)을 PP섬유에 그라프트반응시컨 PP-g-(AN/Sty) 공중합체를 합성하고, 이어서 아미드옥심화 및 인산화 반응을 수행하였다. 공단량체 중 AN의 양이 증가할수록 공중합체 내의 AN의 몰분율은 선형적으로 증가하였으며 공중합체 내에 그라프트 되어진 AN의 양은 공단량체 중 AN의 조성이 40 vol%에서 최대 45%를 나타내었다. 용매인 메탄올의 양이 증가함에 따라 공중합체 내에 도입되어진 AN의 몰분율은 감소하였다 반응온도에 따른 공중합체의 그라프트율은 반응온도 5$0^{\circ}C$까지 선형적으로 증가하였으며 이후 평형에 도달하였다. 이온 교환 섬유에 도입되어진 아미드옥심기는 하이드록실아민의 양이 증가함에 따라 증가하였으며 하이드록실아민 농도 9 wt%에서 최대 5.8 mmol/g을 나타내었다. 공중합체에 도입되어진 인산기는 인산의 농도가 0.5 N까지 증가하는 경향을 나타내었으며 이후 감소하였다. 우라늄 흡착 실험 결과, 우라늄 흡착량은 이관능성 이온 교환 섬유가 아미드옥심화 이온 교환체 및 인산화 이온 교환체보다 우수한 흡착량을 나타내었다.