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李榮魯 서울産業大學校 1984 논문집 Vol.20 No.1
마이크로 스트맆 안테난는 접지면과 유전체층으로 불리된 평면구조의 방사 素子와 급전 回路 구성이되며, 성능이 우수하고 가벼우며 크기가 작아 設置하기가 쉽고 값이 싼반면 매우 좁은 주파수 대역에 제안되어 있다. 이 안테나는 접지면을 통해 뒤로 급전할 수 있으며 옆으로 급전할 수도 있다. 여기에서 원형 마이크로스트맆 안테나를 設計 제작하려 하며 이에따라 마이크로스트맆 선로의 特性, 원형, 공진기의 용량과 공진주파수들을 알아보았고, J, Q Howell의 경험에 따른 제작을 시도하였다. 즉, 원형방사기와 원점으로부터 반경의 약 ⅓지점에 급전점을 정해 접지면을 통해 뒤로 급전함으로 임피턴스 접합을 시도하였다. 그리하여 제작된 안테나의 정재파비, 공전주파수, 방자형태 등을 측정하였다. In this paper "Microstrip Antenna in earth vicissitude divided a class plane structure emission an element a studden change circuite structure, also efficiency and excellent light, size is a big to establishment easy but frequency band is limited.
李榮魯 서울産業大學校 1987 논문집 Vol.25 No.1
In this paper, signal processing circuit was fabricated to utilize scintillation counter tube as the radiation detector, and the signals from detector are counted by Z-8Θmicroprocessor system whose counted is converted to does rate and displayed. When radiation in excess of alarm level is detected, radiation monitoring system to activate alarm was fabricated. Random pulses which are generated from radiation detector are processed, and then positive pulses more than 1V are measure at output of amplifier. Only pulses of amplifier over setting level are passed to single channel analyzer, and then the pulse height is 3.6V. Pulses from signal processing circuit are counted by means of Z-8Θ microprocessor system, and converted to does rate by software which them performs mathematical calculation and alarm determination. When detector is irradiated by standard radiation source(Cs-137, 3Ci) error of processed values is within 5%.
李永魯,오용자 梨花女子大學校 韓國生活科學硏究院 1970 韓國生活科學硏究院 論叢 Vol.5 No.-
Todam is a limestome area and is located at the northern part of the province of Chung Buk in South Korea. There are many outcroppings of limestone near a small stream in the vicnity of small cultivated farm lands. We investigated the vascular plants of this area in 1969. The flora show 247 entries (species & varieties) and 76 families as per the following list. principall large families are as Compositae (28 species) and Leguminosae(26 species). The diagnostic species in the flora are as follows: Selaginella invense(S.W)Spring, Biota oriantalis Endlicher, Neillia uekii Nakai, Lespedeza maximowiczii Schneider var. elongatus Nakai, Spiraea obtusa Nakai, Spiraea media Schneid.,Buxus koreana Nakai, Diathron linifolium Turczaninow, Scutellaria baicalensis George,Abelia coreana Nakai, Chryanthemum zawadskii Herb. ssp. latlobum(2n=36) Chrysanthemum zawadskii Herb. ssp. acutilobum (2n=54) Chrysantemum zawadskii Herb.ssp. latilobum Xacutilobum (2n=45) Most of the species seem to like to grow on limestone fields. The species, Diathron linifolium Turcz. was reported from northern China in the Yalu river area of Mt. paektosan. Paesumably the Todam area is the southern-most limit of the distribution of Diathron linifolium Turcz.in Korea. Biota orientalis Endlicher was reported from northen China and also from this area. The taxa Diathron, Biota, Chrysan themum and Scutellaria are significant dontinental asiatic relic elements in this flora. Chrysantemum zawadskii Herb ssp. latilobum grows abundantly in this area where the elevation is relativel high, while the taxa Chrysanthemum zawadskii Herb. ssp. acutilobum grows lower elevation. The places of lower elevation are the sandy and humus river side at the foot of Mt. Sambong in the small limited area. A presumable hybrid between the two taxa of the Chrysanthemum was found at the overlap zone of the taxa. The hybrid shows intermediate gross morphology and a chromosome number between the two taxa(Fig) The taxa Rhododendron mucronulatum and R. yezoense are not growing at this area except near the temple of Todam Sambong which is located not far from the Sambong mountain. The taxus Castanea also was not found at this limestone area and outcropping of lime stones, but the taxus grows in cultivating fields near the villages.
李永魯 이화여자대학교 한국문화연구원 1959 韓國文化硏究院 論叢 Vol.1 No.-
The Classificatory Study of Korean Garlic / Yong-No Lee 1. This report is on the classificatory study of domestic, Korean garlic through phenotype and textural structure. 2. Mr. Regel indicated bulblets which are attached to floral axis in two or three steps, as Allium scorodoprasm var. viviparum and Mr. Engler indicated oral bulblets among Allium sativum as Allium sativum var. vulgare, round bulblets as A. sativum var. Ophioscorodon. However, author's study an observation has revealed that the variety of bulblet forma and their positions are factors of insignificance in classification of garlic 3. Judging from phenotype and textural structure, the author came to conclude that Dr. Maekawa Humio's statement, indicating garlic as Allium sativum var pekinense, a variety of Allium sativum small garlic as A. sativum var. vulgare is improper; and that Mr. Linne's statement of garlic as A scorodoprasm and small garlic as A. sativum is proper and so these two species are definitely different. 4. Comparative observations of phenotype, variety of bulblet, and textural structure are as shown in figures next page. 5. Relations between the formations of bulb constituted with single layers and of bulb constituted with double layers, and the phenomenon of bulblet descending are shown in the figures next page.
李榮魯 서울産業大學校 1981 논문집 Vol.15 No.1
The Information transmission in the under Water has been maily developed In the Supersonic Waves, But it was not so Generalled Since this was treated as one the Confidence for the national Security. The Superxonic Waves Using SCR nas Simple Circuite, In this Paper, the 150W Supersonic Waves Using 10KHz And SCR Was design in order to analyzed the Characteristics of the Supersonic Waves, the Oscillation Circuite of SCR Was Using the relation Oscillation Clrcuite in this result, If we enlarge region of radiation and Increase the accostic Power, or main lobe is Smaller, In tuis can, this can be Used for application of Communication .
Switching 素子에서 FET의 物理的 作用에 관한 硏究
李榮魯 서울産業大學校 1983 논문집 Vol.19 No.1
Multivibrator는 구형파발진기로서 특히 단안정 Multivibrator는 한쪽 단이 안정상태를 유지하나 다른쪽 단은 불안정하며, 입력이 트리거 되면 안정상태에서 불안정상태로 되어 어느시간 동안 불안정상태로 머무르게 되나 곧 안정상태가 되는 회로이다.
폴리에틸렌 테레프탈레이트에서의 熱刺激電流에 대한 熱處理의 影響 및 誘電 特性의 變化에 關한 硏究
賈出鉉,李榮魯 서울産業大學校 1986 논문집 Vol.24 No.1
In order to inverstigate the relaxation process of molecular chain segments on a polyethylene Terephthalate the Characteristics of thermally Stimulated currents were observed for the speciment by thermal treatments. As the results, it is recognized that peak of dielectric loss related to the peak of TSC is being in 90-110[℃]. Whe it is slow cooled and ice quenching after the thermal treatment, it is obtained that the activation energies are 0.7[eV] an 0.66[eV] respectively at maximum annealing temperature. And it has been also found that there is the temperatural characteristics the β peak is achieved at less than 25[℃], and then α peak was achieved at 100[℃] -120[℃].
Taxonomic studies on the Fagus multinervis, Fagus japonicus and Fagus crenata
李永魯 이화여자대학교 한국문화연구원 1967 韓國文化硏究院 論叢 Vol.10 No.-
日本 中井敎授가 잎측맥을 中心으로 新種 취급한 울릉도 特産인 너도밤나무와 日本産 너도밤나무 무리와의 잎의 側脈과 表皮, 꽃가루, 수술을 比較觀察했다. 그 結果 울릉도産 너도밤나무 Fagus multinervis Nakai가 日本産 너도밤나무 Fagus japonicus Max.와 別差異가 업는 것을 보아 이것을 同種으로 취급하는 것이 타당하다고 보며 漢편 이것은 日本産 Fagus crenata Blume와는 아주 다른 것으로 보았다. Lateral veins of leaves and epidermal patterns, pollen, and anthers were principally studied using dry herbarium specimens. The result shows that the characters of F. multinervis were much like the characters of F. japonicus, and that F. crenata was much different from the above two taxa. Probably F. multinervis should be the same species as that of F. japonicus; Therefore, Fagus multinervis should be included in F. japonicus.