Showing papers by "Fu Jen Catholic University published in 1988"
01 Jan 1988
TL;DR: Techniques for handling fuzzy decision-making problems are presented in which fuzzy production rules and fuzzy set theory are used for knowledge representation and the maximum fuzzy cover generation techniques used are described in detail.
Abstract: Techniques for handling fuzzy decision-making problems are presented in which fuzzy production rules and fuzzy set theory are used for knowledge representation. The maximum fuzzy cover generation techniques used are described in detail. Some examples are given to illustrate the maximum fuzzy cover generation process. The examples are restricted to medical diagnostic problems; however, the techniques can be applied to any other decision-making problem. >
50 citations
TL;DR: The electron microscopic examination of the abnormally dark regions of the gill from hard clam, Meretrix lusoria, revealed that there were virus-like particles present in the cytoplasm of necrotic cells as mentioned in this paper.
Abstract: The electron microscopic examination of the abnormally dark regions of the gill from hard clam, Meretrix lusoria, revealed that there were virus-like particles present in the cytoplasm of necrotic cells. With TO-2 cell line, the virus was isolated. Electron microscopic examinations showed that there were no detactable differences in morphology and location of virions in the gill cells of clam and TO-2 cells except that virus crystals were infrequently observed in clam gills. The subsequent serological and biochemical studies indicated that all the virus isolates from clam were similar to AB IPNV (infectious pancreatic necrosis virus). These studies represent the first complete characterizations of virus isolated from clam in Taiwan.
32 citations
TL;DR: The 2,3-disulfur-substituted 1,3dienes can be readily prepared from their stable 3-sulfolene precursors by thermal extrusion of SO2 as mentioned in this paper.
Abstract: The 2,3-disulfur-substituted 1,3-dienes (1) can be readily prepared from their stable 3-sulfolene precursors (2) by thermal extrusion of SO2. The Diels-Alder reaction of diene (1) with several dienophiles has been studied. The substituent effect on the reactivity and regioselectivity follows the order of PhS >PhSO >PhSO2. Lewis acid can greatly increase the regioselectivity of this reaction. The diene (1c), bearing a strong electron-withdrawing sulfonyl group, also reacted as a dienophile.
13 citations
TL;DR: In this paper, the Diels-Alder reaction of the dienes derived from 3-(phenylthio)-3-sulfolenes with various dienophiles was studied.
Abstract: Substituted 3-(phenylthio)-3-sulfolenes (3) and (4) are good precursors for 2-(phenylthio)-1,3-butadienes (5) and (6). The Diels-Alder reaction of the dienes derived from (3) and (4) with various dienophiles was studied. It was found that heating of sulfolenes (3) with methyl propiolate and N-phenylmaleimide afforded the Diels-Alder adducts of (5) directly and with complete regio- and stereospecificity. The same reaction with methyl vinyl ketone gave a mixture of endo and exo addition products. If sulfolenes (3) were first converted to the dienes (5) using lithium aluminum hydride and then reacted with methyl vinyl ketone in the presence of anhydrous zinc chloride, the stereoselectivity could be improved. Sulfolenes (4) also underwent cycloreversion/cycloaddition with methyl acrylate, methyl vinyl ketone, and N-phenylmaleimide, but gave mostly the double bond-isomerized cycloaddition products. The regiochemistry of cycloaddition was delicately dependent on the dienophiles used.
9 citations
Journal Article•
TL;DR: Results suggest that the modulation of CT on the release of PRL from rat anterior pituitary glands is thyroxine-dependent, and this effect is likely to be dependent on the amount ofthyroxine used in the diet.
Abstract: Yang, M.Y., H.F. Pu, P.S. Jeng, S.W. Wang, L.L. Ho, and P.S. Wang: Effect of thyroidectomy on the release of prolactin in vitro in response to calcitonin. Chinese J. Physiol. 31(2): 105-112, 1988. The effect of calcitonin (CT) on the release of prolactin (PRL) and thyrotropin (TSH) in vitro from anterior pituitary glands (APs) of thuroidectomized (Tx) and intact male rats was investigated. Male rats were Tx or sham Tx, then sacrificed 47 days later. APs were removed, quartered and incubated with CT (0 or 32 μIU/ml) and/or thyroxine (0 or 0.1 μg/mi) at 37°C for 4 h. Thyroidectomy significantly decreased PRL release in vitro. CT inhibited the release of PRL in vitro from APs of intact rats but increased PRL release from APs of Tx animals. Neither CT nor T4 affected the release of TSH in vitro. Thcsc results suggest that the modulation of CT on the release of PRL from rat anterior pituitary glands is thyroxine-dependent.
1 citations
01 Jan 1988
TL;DR: Adult females are fed at regular intervals after emerging from the puparium, then forced to diapause at temperatures ranging from 5–10°C, and longevity, oviposition and the diapausing period are recorded.
Abstract: Adult females are fed at regular intervals after emerging from the puparium, then forced to diapause at temperatures ranging from 5–10°C. Longevity, oviposition and the diapausing period are recorded. Ageing is indirectly proportional to the diapausing ability and directly proportional to the maturation of the gonads and oviposition.