• Title/Summary/Keyword: L2CAP

Search Result 109, Processing Time 0.03 seconds

Study of the Most Common Allergic Foods in Korea (국내 주요 알레르기 원인 식품에 대한 조사)

  • Son, Dae-Yeul;Yoon, Kwang-Ro;Lee, Sang-Il
    • Korean Journal of Food Science and Technology
    • /
    • v.34 no.5
    • /
    • pp.885-888
    • /
    • 2002
  • Prevalence of food allergic disease was examined by identifying the most common foods implicated in allergic reactions in Korea. Patients were subjected to test determining the amount of specific IgE antibody in serum against food allergens by CAP system. A total 9054 CAP analyses on egg white, egg yolk, cow milk, ${\alpha}-lactalbumin,\;{\beta}-lactoglobulin$, casein, wheat, rice, buckwheat, soybean, peach, crab, shrimp, pork, beef, chicken, tuna, salmon, mackerel, and food mix were undertaken. The results were considered to be positive when CAP value was same and/or greater than +2 (0.7 U/mL). Positive results of CAP analyses were 11.3% (1022/9054 cases), consisting of 336 on egg white, 266 on cow milk, 95 on egg yolk, 76 on soybean, 69 on ${\alpha}-lactalbumin$, 61 on casein, 58 on ${\beta}-lactoglobulin$, 39 on buckwheat, 12 on wheat, 3 on beef, 2 on crab, and 1 on rice, shrimp, pork, chicken or mackerel, and 0 on peach, tuna or food mix. Egg, cow milk, soybean, buckwheat, and wheat were identified as the most common allergic foods in Korea, showing an average of two different food sources for allergy per patient.

ON MULTISECANT PLANES OF LOCALLY NON-COHEN-MACAULAY SURFACES

  • Lee, Wanseok;Park, Euisung
    • Bulletin of the Korean Mathematical Society
    • /
    • v.54 no.4
    • /
    • pp.1323-1330
    • /
    • 2017
  • For a nondegenerate projective irreducible variety $X{\subset}{\mathbb{P}}^r$, it is a natural problem to find an upper bound for the value of $${\ell}_{\beta}(X)=max\{length(X{\cap}L){\mid}L={\mathbb{P}}^{\beta}{\subset}{\mathbb{P}}^r,\;{\dim}(X{\cap}L)=0\}$$ for each $1{\leq}{\beta}{\leq}e$. When X is locally Cohen-Macaulay, A. Noma in [10] proves that ${\ell}_{\beta}(X)$ is at most $d-e+{\beta}$ where d and e are respectively the degree and the codimension of X. In this paper, we construct some surfaces $S{\subset}{\mathbb{P}}^5$ of degree $d{\in}\{7,{\ldots},12\}$ which satisfies the inequality $${\ell}_2(S){\geq}d-3+{\lfloor}{\frac{d}{2}}{\rfloor}$$. This shows that Noma's bound is no more valid for locally non-Cohen-Macaulay varieties.

Software Development for PC-PC Remote Measurement of Automobile's Fault Detection using the Bluetooth (브루투스를 이용한 자동차 고장 진단신호의 PC-PC 원격계측 소프트웨어 개발)

  • 윤여흥;정진호;서진원;이영춘;권대규
    • Proceedings of the Korean Society of Precision Engineering Conference
    • /
    • 1997.10a
    • /
    • pp.257-260
    • /
    • 1997
  • Bluetooth is the most promising network paradigm which ca open the new area in the information technology. Especially, bluetooth can link all the electrical products and PCs(Personal Computer) to cellular phone or PDA. In this paper, the data from ECU which are gathered by scanner are communicated between tow PCs using the bluethooth modules. The acquired data are ECU's self diagnosis signal and sensor output signal. Self diagnosis signals are very important to check the ECU's state and sensor output signals. Using these data, the possibility of wireless communication with ECU is developed and verified. Protocol stack of bluetooth is L2CAP through HCI and wireless communication software of ECU's signal is developed using VC++ in Windows 98 environment.

  • PDF

Experimental study of the heat pipe phenomenon in porous media heated from above (상부가열인 다공물질내의 열파이프 현상에 관한 실험적 연구)

  • 이진호;김홍제;함윤영;남궁규완
    • Transactions of the Korean Society of Mechanical Engineers
    • /
    • v.12 no.4
    • /
    • pp.825-832
    • /
    • 1988
  • An experiment was performed to study the heat pipe phenomenon of porous media heated above at one-dimensional steady state for the range of heat flux, 300 W/ $m^{2}$ ~ 2000w/ $m^{2}$. Glass beads, sand, and copper particles were used as porous media and distilled water was used as a working fluid. Result of experiment shows that the length of the two-phase zone increases with the decreasing particle size for the same heat flux. At relatively lower heat flux the length of the two-phase zone increases with the increasing heat flux, which contradicts the result of earlier work. However, its length remains nearly constant when the heat flux increases above a certain value. The length of the two-phase zone is proportional to the product of the heat flux by the hydrostatic capillary height under the limited value on heat flux, that is, $l_{t}$ = A(q. $l_{cap}$)+B, q.leg.1/A(C+B/ $l_{cap}$) where A is 1.7*10$^{-4}$ $m^{2}$/w, B is 1.9*10$^{-2}$ m, and C is 0.43 for copper particles and 0.31 for glass beads and sand.d.d.d.

Deflection Evaluation of the Constructing-load Carrying Capacity for Deep Decking Floor System Reinforced with Both Ends Cap Plates (캡 플레이트로 단부 보강한 춤이 깊은 데크의 시공중 처짐성능평가)

  • Jeon, Sang Hyun;Kyung, Jae Hwan;Kim, Young Ho;Choi, Sung Mo;Yang, Il Seung
    • Journal of Korean Society of Steel Construction
    • /
    • v.27 no.2
    • /
    • pp.155-167
    • /
    • 2015
  • If of application of the deep deckting floor in long span more than 6m, the deflection caused by the construction load occurred high. Because the constructing-works and safety by this deflection, take actually supports to laborers working on the deck. However, installed supports are having difficultly such as the restricted passage, deficiency of working space, and lowering of efficiency. And toward-opening deck is seen as local buckling of web plate, flexural-torsional buckling, and gradually opening of corrugated decking. In this study, we will suggest a deep decking floor system that reinforced with both ends cap plates for toward-opneing decking change from opening to closing. The constructing deflection of a deep decking more than 6m must be satified 30mm and L/180 as proposed. Full-scale field tests loading by sand conducted a deep decking reinforced with and without cap plate. In conclusion, the specimen reinforced with cap plates have shown that to ensure the negative moment $wl^2/18$. And constructing-deflection of deep decking shown that to satisfy the evaluation value (L/180 or 30mm).

A Comparative Linguistic Study on Kokal (고깔의 比較 言語學的 硏究)

  • 김진구
    • The Research Journal of the Costume Culture
    • /
    • v.3 no.2
    • /
    • pp.193-199
    • /
    • 1995
  • The purpose of this research was to study the origins and the meanings of the Kokal (고깔). Comparative linguistic analytical approaches were employed to trace the development of the word, the Kokal(고깔). Results of this study revealed that the kotkal(곳갈, 곧갈) was a general term referring to a variety of head coverings in eh period of Choson Dynasty. This broad meanings of the Kotkal(곳갈,곧갈) of the Chosun Dynasty period has been changed to a narrow sense meanings a conical cap made of folds of the material, mainly used by some of the Buddhist monks in modern Korean. Also, the phonetic value of the Kotkal(곳갈,곧갈) of the Choson Dynasty period changed to the Kokal(고깔) in modern Korean. A variety of words for the Kokal(고깔) was found in the different languages such as Latin, English, French, Turkish, German, Mongolian, and Chinese. The examination and analysis of this study indicated that the origin of the Korean word Kotkal(곳갈,곧갈) or Kokal(고깔) and the meanings of it were derived from LL. Cuculla(monk's cowl)

  • PDF

A study on simultaneous injection molding and two-color coating for car gas cap cover (자동차 주유구 커버에 대한 사출성형과 2색 코팅 동시 구현에 관한 연구)

  • Bae, Hyung-Sup;Park, Dong-Hyun;Kim, Boo-Kon;Seo, Chang-Ho;Heo, Won-Geun;Lee, Ho-Sang
    • Design & Manufacturing
    • /
    • v.15 no.1
    • /
    • pp.32-40
    • /
    • 2021
  • Mold design for in-mold coating was carried out to achieve simultaneous injection molding and two-color coating for car gas cap cover. The developed mold includes one core and three cavities which are composed of a substrate cavity and two coating cavities. To provide a sealing edge for complete seal during the second coating, the first coated material was used at the boundary between the first coating and the second one, and injection molded substrate was used at the parting line. The materials used were PC/ABS for substrate and 2-component Polyurea for coating. Through experiments, it was found that the suggested sealing edges were effective for complete seal during the second coating. In cavity pressure traces, there were three peaks caused by mold closing, coating-material injection and cleaning-piston advancement inside the mixing head. The cavity pressure increased with decreasing coating thickness.

The essential point spectrum of a regular operator

  • Lee, Woo-Young;Lee, Hong-Youl;Han, Young-Min
    • Bulletin of the Korean Mathematical Society
    • /
    • v.29 no.2
    • /
    • pp.295-300
    • /
    • 1992
  • In [5] it was shown that if T .mem. L(X) is regular on a Banach space X, with finite dimensional intersection T$^{-1}$ (0).cap.T(X) and if S .mem. L(X) is invertible, commute with T and has sufficiently small norm then T - S in upper semi-Fredholm, and hence essentially one-one, in the sense that the null space of T - S is finite dimensional ([4] Theorem 2; [5] Theorem 2). In this note we extend this result to incomplete normed space.

  • PDF

NOTE ON NORMAL EMBEDDING

  • Yi, Seung-Hun
    • Bulletin of the Korean Mathematical Society
    • /
    • v.39 no.2
    • /
    • pp.289-297
    • /
    • 2002
  • It was shown by L. Polterovich ([3]) that if L is a totally real submanifold of a symplectic manifold $(M,\omega)$ and L is parallelizable then L is normal. So we try to find an answer to the question of whether there is a compatible almost complex structure J on the symplectic vector bundle $TM$\mid$_{L}$ such that $TL{\cap}JTL=0$ assuming L is normal and parallelizable. Although we could not reach an answer, we observed that the claim holds at the vector space level. And related to the question, we showed that for a symplectic vector bundle $(M,\omega)$ of rank 2n and $E=E_1{\bigoplus}E_2$, where $E=E_1,E_2$are Lagrangian subbundles of E, there is an almost complex structure J on E compatible with ${\omega}$ and $JE_1=E_2$. And finally we provide a necessary and sufficient condition for a given embedding into a symplectic manifold to be normal.

A crofton style formula and its application on the unit sphere $ *$

  • Y. D. Chai;Lee, Young-Soo
    • Bulletin of the Korean Mathematical Society
    • /
    • v.33 no.4
    • /
    • pp.537-544
    • /
    • 1996
  • Crofton's formula on Euclidean plane $E^2$ states: Let $\Gamma$ be a rectifiable curve of length L and let G be a straight line. Then $$ \int_{G \cap \Gamma \neq \phi} n dG = 2L $$ where n is the number of the intersection points of G with the curve $\Gamma$.

  • PDF