• 한국작물학회지
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• 제42권1호
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• pp.7-13
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• 1997

생강나무의 향기성분 조성을 분석해 본 결과는 다음과 같다. 1. GC상에서 생강나무는 꽃, 잎, 줄기 각각 60, 80, 83개의 peak가 관찰되었으며, 주요 성분군은 생강나무의 경우는 꽃의 경우는 sabinene, $eta$-myrcene, 1-limonene, cir-3-hexanal, ${\gamma}$-terpinene, (Z)-3-hexen-1-ol acetate, ${\gamma}$-elemene, 1-borneol, $\delta$-guaiene, ledene, $\delta$-ca-dinene, elemol, 9-octadecanal, 1-(1,5diNe-4-hexenyl ) -4-mebenzene, $\alpha$-chamigrene, ${\gamma}$-selinene, $\beta$-endesmol, 1-phellandrene, 3-Me-6-(1-Me, ethyl ) -2-cyclohexen-1-one, epiglobulol의 성분이, 잎의 경우는 phellandrene, $\alpha$-terpinolene, sabinene, $\beta$-myrcene, ι-limonene, cis-3-hexanal, ${\gamma}$-terpinene, (Z)-3-hexen-1-ol acetate, ${\gamma}$-elemene, 1-borneol, $\delta$-guaiene, ledene, $\delta$-cadinene, olemol, 9-octadecanal, ${\gamma}$-selinene, o-chamigrene, 1-(1,5-diMe-4-hexenyl) -4-mebenzene, $\beta$-endesmol의 성분이, 줄기의 경우는 sabinene, $\beta$-myrcene, ι-limonene, phellamdrene, $\alpha$-terpinene, ledene, 1-borneol, ${\gamma}$-terpinene, 2,4a,5,6,7,8,9,9a-octahydroben-zocycloheptane, elemol, ${\gamma}$-selinene, cis-3-hexanal, (Z)-3-hexen-1-ol acetate, ${\gamma}$-elemene, $\delta$-guaiene, $\delta$-cadinene, 9-octadecanal, 1-(1,5-diMe-4-hexenyl) -4-mebenzeno, $\beta$-endesmol, $\alpha$-charugrene의 향기성분이 주요 성분군으로 확인되었다. 2. 생강나무에서 생강의 향기를 발산하는 성분으로는 $\beta$-myrcene, o-terpinolene, phellandrone, ι-limonene, $\beta$-eudesmol, $\delta$-cadinone, elemol, trans-caryophyllene으로 동정되었으며 그 중에서도 phellandrene, $\beta$-eudesmol이 주된 역할을 하는 성분으로 확인하였다.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2017년도 9th Asian Crop Science Association conference
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• pp.339-339
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• 2017

The long grain rice varieties adaptable to South-east Asia tropical regions were tried to develop in Cambodian Agriculture Research and Development Institute (CARDI), Cambodia. The final goal is to develop rice varieties which can culture in diverse environmental conditions of tropical regions of South-east Asia under climate change. We collected and evaluated for agronomic traits of 131 rice germplasm from Cambodia, China, India, Indonesia, Myanmar, Philippines and Vietnam in CARDI. We selected core germplasm including leading varieties of target countries and made 813 F1 cross combinations between leading varieties of each country and promising germplasm of high yield potential, resistance to biotic/abiotic stresses, aromatic rice, and so on. Out of 607 F1s evaluated to heading date, plant type, agronomic traits, and grain type, 106 F1s selected and advanced to F2 populations. 106 F2 populations were evaluated to major agronomic traits, grain type and yield-component traits, and selected 2,560 plants in 62 F2 populations. During six seasons in 2014~2016, the lines of F3 subsequent-generation were cultured a total of 6,256 lines. In yield trial for promising lines in F5 generation, the growth duration from sowing to harvesting was 97~114 days. These lines were 88~129 in number of grain per panicle, an average of 84.6% in the range of 79.3~91.9% in the percentage of ripened grain and 17.5~22.8g in 1000-brown rice weight. The rough rice yields were in the range of 4.33~6.06 ton/ha with an average of 5.23 ton/ha. The yield was increased to 5~47% than Chulsa and 12~41% than IR66. Five lines, KR54-28-1, KR55-14-2, KR57-5-2, KR67-57-2 and KR128-19-1 were 5.33~6.06 ton/ha in rough rice yield. These high yield potential lines would be evaluated to adaptability in Cambodia, Laos, Myanmar and Vietnam during 2017.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2017년도 9th Asian Crop Science Association conference
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• pp.155-155
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• 2017

The long grain rice varieties adaptable to South-east Asia tropical regions were tried to develop in Cambodian Agriculture Research and Development Institute (CARDI), Cambodia. The final goal is to develop rice varieties which can culture in diverse environmental conditions of tropical regions of South-east Asia under climate change. We collected and evaluated for agronomic traits of 131 rice germplasm from Cambodia, China, India, Indonesia, Myanmar, Philippines and Vietnam in CARDI. We selected core germplasm including leading varieties of target countries and made 813 F1 cross combinations between leading varieties of each country and promising germplasm of high yield potential, resistance to biotic/abiotic stresses, aromatic rice, and so on. Out of 607 F1s evaluated to heading date, plant type, agronomic traits, and grain type, 106 F1s selected and advanced to F2 populations. 106 F2 populations were evaluated to major agronomic traits, grain type and yield-component traits, and selected 2,560 plants in 62 F2 populations. During six seasons in 2014~2016, the lines of F3 subsequent-generation were cultured a total of 6,256 lines. In yield trial for promising lines in F5 generation, the growth duration from sowing to harvesting was 97~114 days. These lines were 88~129 in number of grain per panicle, an average of 84.6% in the range of 79.3~91.9% in the percentage of ripened grain and 17.5~22.8g in 1000-brown rice weight. The rough rice yields were in the range of 4.33~6.06 ton/ha with an average of 5.23 ton/ha. The yield was increased to 5~47% than Chulsa and 12~41% than IR66. Five lines, KR54-28-1, KR55-14-2, KR57-5-2, KR67-57-2 and KR128-19-1 were 5.33~6.06 ton/ha in rough rice yield. These high yield potential lines would be evaluated to adaptability in Cambodia, Laos, Myanmar and Vietnam during 2017.

• 한국지하수토양환경학회:학술대회논문집
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• 한국지하수토양환경학회 2002년도 추계학술발표회
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• pp.44-52
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• 2002

Low temperature thermal desorption (LTTD) has become one of the cornerstone technologies used for the treatment of contaminated soils and sediments in the United States. LTTD technology was first used in the mid-1980s for soil treatment on sites managed under the Comprehensive Environmental Respones, Compensation and Liability Act (CERCLA) or Superfund. Implementation was facilitated by CERCLA regulations that require only that spplicable regulations shall be met thus avoiding the need for protracted and expensive permit applications for thermal treatment equipment. The initial equipment designs used typically came from technology transfer sources. Asphalt manufacturing plants were converted to direct-fired LTTD systems, and conventional calciners were adapted for use as indirect-fired LTTD systems. Other innovative designs included hot sand recycle technology (initially developed for synfuels production from tar sand and oil shale), recycle sweep gas, travelling belts and batch-charged vacuum chambers, among others. These systems were used to treat soil contaminated with total petroleum hydrocarbons (TPH), polycyclic aromatic hydrocarbons (PAHs), pesticides, polychlorinated biphenyls (PCBs) and dioxin with varying degrees of success. Ultimately, performance and cost considerations established the suite of systems that are used for LTTD soil treatment applications today. This paper briefly reviews the develpoment of LTTD systems and summarizes the design, performance and cost characteristics of the equipment in use today. Designs reviewed include continuous feed direct-fired and indirect-fired equipment, batch feed systems and in-situ equipment. Performance is compared in terms of before-and-after contaminant levels in the soil and permissible emissions levels in the stack gas vented to the atmosphere. The review of air emissions standards includes a review of regulations in the U.S. and the European Union (EU). Key cost centers for the mobilization and operation of LTTD equipment are identified and compared for the different types of LTTD systems in use today. A work chart is provided for the selection of the optmum LTTD system for site-specific applications. LTTD technology continues to be a cornerstone technology for soil treatment in the U.S. and elsewhere. Examples of leading-edge LTTD technologies developed in the U.S. that are now being delivered locally in global projects are described.

• 한국약용작물학회지
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• 제10권2호
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• pp.120-125
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• 2002

본 연구는 향기성분을 많이 포함하고 있는 꿀풀과의 대표적인 5종류를 선정하여 이들을 대상으로 소량의 시료만으로도 신속하게 분석할 수 있는 고상 미량 추출법(Solid Phase Microextraction: SPME)과 동시증류추출법(Simultaneous Distillation and Extraction : SDE)으로 향기성분을 분석하였다. 분석결과 5종류의 꿀풀과 약초의 향기성분 구성은 linanol, limonene, citral, trans-geraniol 등의 monoterpene alcohol, monoterpene aldehyde 및 ketone 과 trans-caryophyllene, ${\delta}-cadinene$ 등의 sesquiterpene 성분들이 주로 검출되었다. 분석결과 기존의 향기성분 연구에 많이 사용되는 동시증류추출법(SDE)과 주성분에서 대부분 유사하였으나 형개의 향기성분처럼 SPME법에서 많은 성분이 검출되지 않는 경우도 있었고 배초향, 박하의 성분처럼 SDE법에서 검출되지 않은 일부 성분도 SPME법에서 검출되기도 하였다. 이러한 결과는 SPME법은 낮은 온도에서 흡착만으로 성분의 포집이 이루어지므로 추출, 농축 등의 조작에 의한 SDE법보다 이차적인 변질이 적었기 때문으로 생각되었다. 따라서 SPME법은 열변성이 적고 소량으로 다수의 시료를 분석할 수 있어 향신약초의 품종육종 등에 사용할 수 있는 간편하고 신속한 방법이 될 것으로 생각된다.

• 한국석유지질학회지
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• 제14권1호
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• pp.45-52
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• 2008

천연가스로부터 청정연료인 합성유를 제조하는 GTL기술은 1920년대 군수의 목적으로 독일의 Fisher와 Tropsch에 의해서 석탄으로부터 합성유를 제조하는 기술의 필요에 의해 처음으로 개발되었다. 이후, 1960년대 인종차별로 인한 정치적 고립으로 석유수급이 어려웠던 남아프리카공화국의 수송용 연료의 필요에 의해 Sasol사에서 본격적으로 FT(Fisher-Tropsch) 합성기술을 상용화하기 시작했다. 최근까지도 저렴한 석유자원으로 인해 GTL기술이 원유 정제기술로부터 얻어지는 석유제품에 비해 경제성을 확보하지 못하여 본격적인 상업화가 지연되어 왔으나, 에너지 자원의 수급 및 기타 경제적, 환경적 변화로 인해 GTL사업에 대한 관심이 고조되고 있으며 보유 석유자원이 한계에 다다라 상대적으로 풍부한 천연가스의 석유화를 목표로 하고 있는 카타르를 중심으로 GTL플랜트 건설이 추진되고 있다. 천연가스를 원료로 석유제품(디젤 및 나프타, 윤활기유 등)을 만드는 GTL기술은 크게 3가지 공정으로 구분되는데, 천연가스에서 수소와 일산화탄소를 제조하는 합성가스 제조공정(Synthesis Gas Generation), 합성가스를 FT합성반응에 의해 고분자 선형탄화수소로 전환시키는 FT합성공정(FT Synthesis)과 FT합성유로부터 석유제품을 만드는 개질공정(Product Upgrading)으로 구성된다. 생산된 제품은 유황 및 질소화합물 등을 적게 함유하고 있고, 정유플랜트 연료보다 방향족성분이 적어, 연소 시 인체에 해로운 물질을 적게 생산하는 청정연료이며, 천연가스를 저온 액화하는 LNG사업에 비하여 운송이 용이하고 안정성이 높다는 장점을 가지고 있다.

• 헤리티지:역사와 과학
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• 제38권
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• pp.285-303
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• 2005

당대(唐代)의 출토유물인 명기와 낙양명원기를 중심으로 당대의 귀족 정원을 고찰한 결과, 산수경관인 가산과 연못이 정원의 중심이 되고, 여기에 누정을 짓고 화목을 심었다. 가산은 치석첩산(置石疊山)하고, 동굴을 만들었고, 명기의 석가산은 산지산세(山地山勢)는 험준, 층만첩장(層巒疊嶂), 녹색이 깔린 자리와 같고, 새들이 혹 산간에서 노래하고, 연못 호반에서 물을 마신다 라고 표현되었다. 연못은 착지인수(鑿池引水)하고 수계가 발달하였으며, 누정 건물로는 청(廳), 당(堂), 관(館), 정(亭), 대(臺), 누(樓), 각(閣), 사(榭) 등이 있다. 조경식물로는 대나무, 연꽃, 모란을 가장 많이 볼 수 있고, 향나무, 소나무, 회, 잣나무, 전나무, 오동, 가래, 복숭아, 오얏, 매화, 살구, 국화, 칡덩쿨 등을 식재했던 것을 알 수 있다. 위와 같이 중국 당대의 원림은 풍부하고 다양하며 뛰어난 원림 양식으로 원림발달의 전성기를 구가하였고, 문화교섭에 의해 동시대의 통일신라의 민간 특히 귀족의 주택 정원도 사절유택(四節遊宅) 등의 기록에 의하면 한국 조경 발달사에서 전성기에 해당될 것으로 유추할 수 있다.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2022년도 추계학술대회
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• pp.318-318
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• 2022

Basil(Ocimum basilicum L.) is an annual herb that grows wild in hot and humid regions such as tropical Asia and Africa. This study was carried out for resource discovery, propagation, and DB construction of aromatic plants. In order to evaluate the genetic characteristics, 28 kinds of basil seeds were supplied from the Center for Genetic Resources. For basil characteristics, planting date, plant height, growth shape, leaf length, leaf shape, petiole color, petiole, stem color, flower color, after harvest, Ml length including roots, flower length, stem thickness and biological weight were measured. For anthocyanin analysis, only basil with purple color was selected, anthocyanins were extracted with 60% ethanol containing 1% citric acid, a standard quantitative curve was prepared with cyanidin-3-glucoside, and absorbance was measured at 525 nm. Basil planting started around June 16, and the flowering period lasted for a total of 18 days from July 19 to August 5. On August 6, when flowering was completed, morphological characteristics including flower color were measured at the site by an object. The measured basil plant length was 26.6-59.6 cm, leaf length 2.0-7.9 cm, leaf width 0.7-5.2 cm, and petiole 1.3-3.9 cm. The growth pattern of basil was generally straight, medium in shape. The color of the leaves was observed evenly by mixed green, purple, purple and green, and the recesses in the shape of the leaf were also conspicuously observed. A total of three basil flower colors were observed: white, light pink(149P 10P/84), and purple(37V 2.5RP 4/12). During the second growth survey after harvest, the total length including the basil roots is 26.7-52.0 cm, the flower length is 8.2-29.3cm, the stem thickness is 7.1-15.9mm, the number of stem nodes is 3-12 nodes, and the total weight of the basil was measured to be about 218-1540 g. There are a total of 16 types of basil expressed in purple, and the anthocyanin content was measured to be 73.74 ~ 380.72 mg/100g.

• 한국지하수토양환경학회지:지하수토양환경
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• 제25권1호
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• pp.62-73
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• 2020

PAHs commonly found in industrial sites such as manufactured gas plants (MGP) are potentially toxic, mutagenic and carcinogenic, and thus require immediate remediation. In-situ chemical oxidation (ISCO) is known as a highly efficient technology for soil and groundwater remediation. Among the several types of oxidants utilized in ISCO, persulfate has gained significant attention in recent years. Peroxydisulfate ion (S₂O₈^2-) is a strong oxidant with very high redox potential (E⁰ = 2.01 V). When mixed with Fe²⁺, it is capable of forming the sulfate radical (SO₄^-·) that has an even higher redox potential (E⁰ = 2.6 V). In this study, the influence of various iron activators on the persulfate oxidation of PAHs in contaminated soils was investigated. Several iron sources such as ferrous sulfate (FeSO₄), ferrous sulfide (FeS) and zero-valent iron (Fe(0)) were tested as a persulfate activator. Acenaphthene (ANE), dibenzofuran (DBF) and fluorene (FLE) were selected as model compounds because they were the dominant PAHs found in the field-contaminated soil collected from a MGP site. Oxidation kinetics of these PAHs in an artificially contaminated soil and the PAH-contaminated field soil were investigated. For all soils, Fe(0) was the most effective iron activator. The maximum PAHs removal rate in Fe(0)-mediated reactions was 92.7% for ANE, 83.0% for FLE, and 59.3% for DBF in the artificially contaminated soil, while the removal rate of total PAHs was 72.7% in the field-contaminated soil. To promote the iron activator effect, the effects of hydroxylamine as a reducing agent on reduction of Fe³⁺ to Fe²⁺, and EDTA and pyrophosphate as chelating agents on iron stabilization in persulfate oxidation were also investigated. As hydroxylamine and chelating agents (EDTA, pyrophosphate) dosage increased, the individual PAH removal rate in the artificially contaminated soil and the total PAHs removal rate in the field-contaminated soil increased.

• 한국미생물·생명공학회지
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• 제33권3호
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• pp.169-177
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• 2005

본 연구는 어업이나 농업 등의 인간활동에 의하여 상당한 영향을 받고 있는 순천만 갈대의 근권에서 이루어지는 정화작용에 있어 미생물의 역할을 조사하는 것에 중점을 두었다. 일반적으로 만은 환경 스트레스로 인한 갑작스런 충격을 감소시키는 완충지역으로서의 역할을 하는 것으로 알려져 있다. 갈대근권에서 이루어지는 정화기능에 있어 미생물의 역할을 밝히기 위한 첫 번째 노력의 일환으로 벤젠, 톨루엔, 또는 자일렌이 단일 탄소 및 에너지원으로 첨가된 농화배양법을 사용하여 BTEX를 분해할 수 있는 두 종류의 그람양성 세균을 순수분리하였다. 다양한 온도조건의 BTEX배지에서 이들 세균을 배양하는 동안 BTEX의 분해율 및 성장률을 주기적으로 조사한 결과 $37^{\circ}C$에서 가장 빠른 기질 분해율을 보였고 $42^{\circ}C$의 고온에서도 두 균 모두 잘 성장하는 것으로 나타났다. 본 연구에서 시험한 수은, 카드뮴, 납, 바륨, 철 대부분의 중금속에 강한 내성뿐만 아니라 ampicillin을 비롯한 시험한 5종류의 항생제 모두에 강한 내성을 나타냈다. 16S rRNA 유전자 서열과 다양한 표현형 및 형태학적 특성을 기초로 한 동정의 결과 BTEX를 분해할 수 있는 두 균주는 $95{\%}$상의 신뢰도로 Microbacterium sp.와 Rhodococcus sp.로 나타났고, 각 균주는 Microbacterium sp. EMB-1과 Rhodococcus sp. EMB-2로 명명하였다. 이러한 결과는 주요한 염습지 식물중의 하나인 갈대의 근권에서 살아가는 이들 균주들이 BTEX와 같은 석유로 오염된 근권 환경의 정화작용에 중요한 역할을 할 수 있음을 제시해주었다.