• 방사선산업학회지
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• 제5권3호
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• pp.191-196
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• 2011

The economic scale of nuclear application is a good indicator to show how the radiation technology is useful and contribute to improve public welfare and living standard. Recent research in Japan shows that the economic scale of nuclear field was 4,112 B¥ for radiation application(46%) and 4,741 B¥ for nuclear energy (54%) playing a role of "two wheels of one cart" in nuclear field and the total 8,853 B¥ constitutes 1.8% of gross domestic products (GDP). The radiation application consisted of 2,295 B¥ (56%) in industry (semiconductor, sterilization, nondestructive testing, radiation processing of tires, etc.), 1,538 B¥ (37%) in medicine (therapy and diagnosis such as X-ray, nuclear medicine, computed tomography, etc.) and 279 B¥ (7%) in agriculture (mutation breeding, food irradiation, sterile insect technique, etc.). Radiation application by ${\gamma}$-ray, electron beam and ion beam is steadily increasing in Japan.

• International Journal of Aeronautical and Space Sciences
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• 제13권3호
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• pp.267-281
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• 2012

This paper reviews the flight mechanics and control of birds and bird-size aircraft. It is intended to fill a niche in the current survey literature which focuses primarily on the aerodynamics, flight dynamics and control of insect scale flight. We review the flight mechanics from first principles and summarize some recent results on the stability and control of birds and bird-scale aircraft. Birds spend a considerable portion of their flight in the gliding (i.e., non-flapping) phase. Therefore, we also review the stability and control of gliding flight, and particularly those aspects which are derived from the unique control features of birds.

• 한국산림과학회지
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• 제80권3호
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• pp.326-349
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• 1991

지구상 솔껍질깍지벌레류의 지리적분포, 생태, 피해, 방제연구 동향이 검토되었으며, 우리나라 솔껍질깍지벌레의 방제전략 및 피해지역의 관리방안 수립을 위한 연구방향이 제시되었다.

• 한국응용곤충학회지
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• 제22권2호
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• pp.84-97
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• 1983

Under the limited arable land, the enhancement of agricultural productivity is indispensable to provide the food demand which is concomitant with the rapid increase in population. From this viewpoint, the upbringing and dissemination of high-yielding varieties has been promoted continuously and several modifications in cultural practices, including heavy fertilization, dense planting, and early transplanting, also have been gradually developed. However these changes in cultivation have led to the increased outbreak of insect pests and diseases. And this unexpected results have accelerated the number and complexity of pesticides employed as well as their consumption. Even though pesticides are essential materials contributing to the steady production of agricultural crops, large scale consumption of them has given rise to several adverse impacts, such as mammalian hazard and/or environmental contamination. In this respect, recent development of new pesticides has been concentrated on 'safe pesticide', as it were, that has the highly selective properties without unfavorable side influences on other ecosystem. According to literature cited up to now, feasibilities of safe pesticide development would be summarized as two categories. One of them is the development of chemical pesticides, which include the molecular structure modification of established pesticides for increased safety and synthesis of new safe chemicals which can attack the vulnerable point of physio-ecological characteristics in insect pests and diseases. The other is the biological pesticides which comprise natural enemies and microorganisms to act selectively on confined insect pests and diseases, In addition, improvement of physico-chemical properties of available pesticide formulations would be one of the desirable means for safe pesticide development in view of efficacy enhancement and minimization of hazardous properties or safe pesticide development, various approaches are feasible and needed to study, however, long period and much financial outlay are necessary to develop a new item. And under the present situation in Korea, there are many difficulties for performing research on all the possible routes. Therefore, combined pesticides by the reasonable combination of already registered resticides evaluated as the fairly safe pesticides and safe formulation based on their physico-chemical properties would be developed primarily. And many efforts would be given gradually for the development of new chemical and biological pesticides.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제15권11호
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• pp.3991-4010
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• 2021

The Question Similarity Measurement of Chinese Crop Diseases and Insect Pests (QSM-CCD&IP) aims to judge the user's tendency to ask questions regarding input problems. The measurement is the basis of the Agricultural Knowledge Question and Answering (Q & A) system, information retrieval, and other tasks. However, the corpus and measurement methods available in this field have some deficiencies. In addition, error propagation may occur when the word boundary features and local context information are ignored when the general method embeds sentences. Hence, these factors make the task challenging. To solve the above problems and tackle the Question Similarity Measurement task in this work, a corpus on Chinese crop diseases and insect pests(CCDIP), which contains 13 categories, was established. Then, taking the CCDIP as the research object, this study proposes a Chinese agricultural text similarity matching model, namely, the AgrCQS. This model is based on mixed information extraction. Specifically, the hybrid embedding layer can enrich character information and improve the recognition ability of the model on the word boundary. The multi-scale local information can be extracted by multi-core convolutional neural network based on multi-weight (MM-CNN). The self-attention mechanism can enhance the fusion ability of the model on global information. In this research, the performance of the AgrCQS on the CCDIP is verified, and three benchmark datasets, namely, AFQMC, LCQMC, and BQ, are used. The accuracy rates are 93.92%, 74.42%, 86.35%, and 83.05%, respectively, which are higher than that of baseline systems without using any external knowledge. Additionally, the proposed method module can be extracted separately and applied to other models, thus providing reference for related research.

• 농촌지도와개발
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• 제30권1호
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• pp.1-13
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• 2023

This study aims to examine the effect of healing program using insect. For the insect resources, the program uses 3 species of emotional insects. The subjects were a total of 29, the elderly with mild dementia and adults with developmental disabilities in the facility. The activities are 9 programs in total and each program takes 2 hours once a week. For data collection, we measured a blood pressure, stress level using autonomic nervous system activity, and scale of happiness, depression and insomnia by a survey. The datas were collected every week before and after the program. As a result of paired-sample t-test analysis, the participants of the agro-healing program using insects had positive effects as follows: reducing a depression, relieving a symptom of insomnia and stabilizing a blood pressure. Through the results of this study, it was possible to confirm the positive effects of the agro-healing program using insects. If farms lead agro-healing program using insects on their own, it could be expected to contribute to improve the quality of life through agriculture as well as to improve the farms' income.

• 대한의생명과학회지
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• 제14권2호
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• pp.119-122
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• 2008

The baculovirus/insect cell expression system is of great value in the study of structure-function relationships in mammalian glucose-transport proteins by site-directed mutagenesis and for the large-scale production of these proteins for mechanistic and biochemical studies. In order to exploit this, the effects of substitution at the highly conserved residue glutamine 282 of the human erythrocyte-type glucose transporter have been examined by in vitro site-directed mutagenesis. The modified human transport protein has been expressed in Spodoptera frugiperda 21 cells by using the recombinant baculovirus AcNPV-GTL. To assess the functional integrity of the expressed transporter, measurements of the transport inhibitor cytochalasin B binding were performed, involving the membranes prepared from 4 days post infection with no virus, with wild-type virus or AcNPV-GTL virus. Data obtained showed that there was little or no D-glucose-inhibitable binding in cells infected with the wild type or no virus. Only the recombinant virus infected cells exhibited specific binding, which is inhibitable by D- but not by L-glucose. However, there was a notable reduction in the affinity for the potent inhibitor cytochalasin B when binding measurements of AcNPV-GTL were compared with those of AcNPV-GT, which has no substitution. It is thus suggested that although the modified and unmodified human transporters differed slightly in their affinity for cytochalasin B, the glutamine substitution did not interfere the heterologous expression of the human transporter in the insect cells.

• 약학회지
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• 제56권2호
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• pp.71-73
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• 2012

Cordyceps militaris, a caterpillar-grown traditional medicinal mushroom, produces important bioactive compounds, cordycepin (3'-deoxyadenosine) and militarin. Militarin is reported to possess anticancer activities against several tumor cells. An efficient synthetic method of militarin was developed to prepare muti-gram scale sample for bioassay. Militarin was successfully synthesized from commercial starting materials in 5 steps and 29.3% overall yields.

• 한국응용곤충학회지
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• 제53권2호
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• pp.157-169
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• 2014

단감 병해충의 관리와 원활한 수출 정보를 위하여 2010년부터 2012년까지 3년 동안 전남 순천, 경남 진주, 창원(동읍과 북면), 김해, 그리고 울산 울주지역의 수출과원과 비수출과원과 수확과에서 병해충을 조사하였다. 수출 단감과원에서 확인된 병은 모무늬낙엽병, 탄저병, 둥근무늬낙엽병, 흰가루병, 잿빛곰팡이병이었고, 그 중 둥근무늬낙엽병의 피해가 높은 편이었다. 과일에서는 Colletotrichum gloeosporioides와 Colletotrichum acutatum 탄저병의 피해가 문제였다. 발견된 해충은 5목 20과 32속 33종이었고 점박이응애도 발생하였다. 그 중 애무늬고리장님 노린재와 식나무깍지벌레, 애모무늬잎말이나방이 비교적 넓은 지역에서 발생하고 있었고, 담배거세미나방, 차잎말이나방 등도 발생하고 있었다. 해충에 의한 피해는 매우 낮았다. 검역대상 해충인 복숭아명나방과 감꼭지나방은 거의 발생하지 않았거나 문제가 되지 않았고, 감나무애응애, 온실가루깍지벌레는 전혀 발견되지 않았다. 선과장과 수출과에서는 이들 검역대상 해충인 복숭아명나방, 감꼭지나방, 감나무애응애, 온실가루깍지벌레는 전혀 발견되지 않았고, 깍지벌레와 점박이응애가 낮은 비율로 발견되었다. 병으로는 진주와 김해의 저장고 수확과에서 C. acutatum탄저병 이병과가 1개 과에서만 발견되었다.

• 한국응용곤충학회지
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• 제39권3호
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• pp.171-179
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• 2000

우리 나라 골프장의 잔디 가해 해충과 천적에 관한 조사에서 잔디를 가해하는 해충은 6목 10과 28종이 확인되었고, 잔디흑응애(Eriophydae zoysiae)와 고구마뿌리혹선충(Meloidogyne incognita)도 피해를 주고 있었다. 풍뎅이 유충인 굼벵이는 전 조사 골프장의 모든 코스에서 피해를 조고 있었으며, 검거세미나방이나 거세미나방도 많은 피해를 주고 있었다. 그리고 푸충나방류(Crambus sp.)와 깍지벌레류, 각다귀(Tipula sp.)도 잔디에 피해를 주고 있었다. 반면, 일본왕개미(Camponitus japonicus), 곰개비(Formica japonica), 고동털개미(Lasins japonicus)는 직접적인 잔디 피해보다는 간접적인 피해가 많았다. 즉, 잔디나 골프장 군데군데에 집을 만들거나 골퍼들에게 피해를 주고 있었다. 잔디 해충의 천적으로는 곤충병원성 선충과 곤충변원성 곰팡이 및 유화병균등의 곤충 병원미생물과 파리매와 같은 포식성 천적류, 그리고 굼벵이벌 등과 같은 기생성 곤충류가 채집되었다. 병원성 선충으로는 Heterorhabditidae과의 Heterorhabditis sp.와 Steinernematidae과의 Steinernema glaseri와 S. longicaudum이 굼벵이와 잔다밭에서 발견되었다. 특히, 경산의 대구골프장에서 발견된 Heterorhabditia sp,는 동얼룩풍뎅이와 주둥무늬차색풍뎅이 유충에서 분리되었는데 병원성이 매우 뛰어났다. 병원성 곰팡이는 Beauveria bassiana와 Metarhizium anisopliae가 등얼룩풍뎅이에서 확인되었다. 그리고 유화병(milky disease)을 일으키는 Paenibacillus popilliae가 주둥무늬차색풍뎅이(Adoretus tenuimaculatus)와 등얼룩풍뎅이(Exomala orientalis), 주황긴다리풍뎅이(Ectinohoplia rufipes), 녹색풍뎅이(Popillia quadriguttata)에서 발견되었다. 특히, 경산의 대구 골프장에서 발견되 Heterorhabditis sp.는 등얼룩풍뎅이와 주둥무늬차색？뎅이 유층에서 분리되었는데 병원성이 매우 뛰어났다. 병원성 곰팡이는 Beauveria bassiana와 Metarhizium anisopliae가 등얼룩풍뎅이에서 확인되었다. 그리고 유화병(milky disease)을 일으키는 Paenibacillus popilliae가 주둥무늬차색풍뎅이(Adoretus tenuimaculatus)아 등얼룩풍뎅이(Exomala orentalis), 주황긴다리풍뎅이(Ectinohoplia rufipes), 녹색풍뎅이(Popillia quadriguttata)에서 발견되었다. 관찰된 파리매 3종 중 파리매(Promachus yesonicus)의 활동이 가장 활발하였다. 굼벵이벌(Tiphia sp.)은 주둥무늬차색풍뎅이와 등얼룩풍뎅이의 유충에서 확인되었는데 발견된 개체수는 많지 않았다. 식무 기생선충으로는 고구마뿌리혹선충이 들잔디(Zoysia japonica)와 금잔디(Z.matrella), 버뮤다그라스(Cynodon dactylon)에서 발견되었다.