An, Young-Sang;Yang, Ki-Young;Lee, Byung-Ryul;Yim, Yun-Kyoung
Korean Journal of Acupuncture
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v.25
no.4
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pp.49-58
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2008
Objectives and Methods : The present study was to investigate the change of acupuncture point location of gallbladder meridian in head by way of reviewing classical literatures. Result and Conclusions : 1. The locations of acupuncture points closed-by anatomical marks such as GB1, GB2, GB3, GB11, GB12, GB19, GB20 are clear and accurate. 2. The expression of acupuncture points' locations of GB4, GB5, GB6, GB8 and GB10 are obscure in classical literature, but their locations became clear and objective in recent literatures. 3. The locations of GB9 and GB13 are open to dispute but WHO standard acupuncture point seems to be resonable. 4. In classical literature, the length from the midpoint of the anterior hairline to the midpoint of the posterior hairline is 12 B-cun, and the length from the midpoint of the anterior hairline to the GB19 is 5 cun, 5.5 cun or 6.5 cun. We presume that the length from GB15 to GB19 might have been measured by F-cun.
Two experiments were conducted to investigate the effect of germanium biotite (GB) on growth performance, nutrient digestibility and fecal gas emission in pigs. In Exp 1., a total of one hundred nursery pigs (initial body weight 13.12${\pm}$0.15kg) were used in a 21 d growth assay. The five treatments were control (CON, basal diet), GB0.5-200 (basal diet + 0.5% GB, 200mesh), GB1.0-200 (basal diet + 1.0% GB, 200mesh), GB0.5-325 (basal diet + 0.5% GB, 325mesh), GB1.0-325 (basal diet + 1.0% GB, 325mesh). Each treatment had four replicates with five pigs per replicate. ADG, ADFI and gain/feed were not significantly different among the treatments. Fecal NH3-N concentration of pigs fed the GB325 diet was lower than that of pigs fed the GB200 diet (P=0.01). The GB treatments reduced fecal volatile fatty acids significantly compared to the CON (propionic acid, P=0.01; butyric acid, P=0.01; acetic acid, P=0.02). Especially, fecal propionic acid concentration of pigs fed the GB325 diets was lower than that of pigs fed the GB200 diets (P=0.02). In Exp 2., a total of seventy five pigs (initial body weight 21.18${\pm}$0.15kg) were used in a 28 d growth assay. The treatments were same as described for Exp. 1. Each treatment had five replicates with three pigs per replicate. The GB1.0 treatments significantly increased the ADG compared to the GB0.5 treatments (P=0.03). The DM and N digestibility of pigs fed the GB1.0 diets were higher than that for pigs fed the GB0.5 diets (P=0.01). Also, the Ca digestibility of pigs fed the GB diets was higher than that for pigs fed the CON diets (P=0.01). The fecal NH3-N concentrations for the GB treatments were lower than that for the CON (P=0.01). The GB325 treatments significantly decreased the fecal NH3-N concentration compared to the GB200 treatments (P=0.03). The fecal butyric acid concentration for the GB325 treatments was lower than that for the GB200 treatment (P=0.04). In conclusion, the results obtained from these feeding trials suggest that the dietary GB for nursery pigs affects fecal noxious gas emission. In growing pigs, dietary GB was effective to improve ADG and decrease fecal noxious gas emission.
In this paper, we propose and demonstrate a cost-effective technique to upgrade the capacity of dense wavelength division multiplexing (DWDM) networks to a 40 Gb/s line rate using the existing 10 Gb/s-based infrastructure. To accommodate 40 Gb/s over the link optimized for 10 Gb/s, we propose applying a combination of super-FEC, carrier-suppressed return-to-zero, and pre-emphasis to the 40 Gb/s transponder. The transmission of 40 Gb/s DWDM channels over existing 10 Gb/s line-rate long-haul DWDM links, including $40{\times}40$ Gb/s transmission over KT's standard single-mode fiber optimized for 10 Gb/s achieves successful results. The proposed upgrading technique allows the Q-value margin for a 40 Gb/s line rate to be compatible with that of 10 Gb/s.
Globotriaosylceramide (Gb3) and globotetraosylceramide (Gb4) are the proposed functional receptors for Shiga toxin (Stx). To elucidate the effect of Gb3 content on Stx-induced cytotoxicity in HeLa cells, we cloned HeLa cells and determined the correlation between glycolipids content and Stx-induced cytotoxicity. The 29 HeLa cell clone (HLCC) lines used showed a wide range of sensitivity to Stx, compared to Gb3-rich cells which were more sensitive, showing as little as 20% viability to 100 pg/ml Stx. In contrast, Gb3-deficient cells proved resistant as they were more than 80% viable to 100 ng/ml Stx. Gb3 content in the HLCC lines corresponded with Stxs-induced cytotoxicity as well as Gb3 synthase expression, but no correlation with Gb4 content was noted. These data show that Gb3 content, which is regulated by the expression of Gb3 synthase, determines the sensitivity of HeLa cells toward Stx.
Objectives: The purpose of this report is to examine the effect of $BL_{66}$${\cdot}$$GB_{43}$ supplement and LIl ${\cdot}$$GB_{44}$ draining in acupuncture for cerebral apoplexy treatment. Methods : I designed to investigate whether $BL_{66}$${\cdot}$$GB_{43}$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture affects cerebral hemodynamics [regional cerebral blood flow(rCBF), mean arterial blood pressure(MABP)] in normal rats, and to make manifest whether $BL_{66}$${\cdot}$$GB_{43}$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture is mediated by cyclooxygenase or guanylate cyclase. The changes of rCBF and MABP were determinated by laser-doppler flowmetry(LDF). Results : 1. $BL_{66}$${\cdot}$$GB_{43}$ supplement and LI1 ${\cdot}$$GB_{44}$ draining in acupuncture increased rCBF significantly, but decreased MABP. These results suggest that $BL_{66}$${\cdot}$$GB_{43}$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture increased significantly rCBF by dilating pial arterial diameter(PAD). 2. By pretreatment with indomethacin(1 mg/kg, i.p.), the effect of $BL_{66}$${\cdot}$$GB_{43}$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture induced increase of rCBF was significantly inhibited, the decreased MABP by treatment with $BL_{66}$${\cdot}$$GB_{43}$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture was increased. 3. By pretreatment with methylene blue($10{\mu}/kg$, i.p.), the increased rCBF by treatment with $BL_{66}$${\cdot}$$GB_{43}$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture was decreased conversely, the decreased MABP by treatment with $BL_{66}$${\cdot}$$GB_{43}$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture was decreased. and then increased. Conclusion : I suggest that $BL_{66}$${\cdot}$$GB_43$ supplement and $LI_1$${\cdot}$$GB_{44}$ draining in acupuncture has an anti-ischemic effect through the improvement of cerebral hemodynamics.
Objectives : To investigate the effect of Ga-mee-Gwui-ryong-tang herbal acupuncture(GR-HA) at GB39 and ST36 and the effect of Yuk-mee-ji-hwang-tang herbal acupuncture(YM-HA) at GB39 and KI10 on growth in mice. Methods : Mice were divided into 7 group(n=10) ; saline-ST36, saline-GB39 and KI10, GR-HA-ST36 group treated with GR-HA at right ST36, GR-HA-GB39 group treated with GR-HA at right GB39, YM-HA-GB39 group treated with YM-HA at right GB39, YM-HA-KI10 group treated with YM-HA at right KI10. Saline-ST36 group, saline-GB39 group and saline-KI10 group were injected with saline at right ST36, GB39, KI10 respectively. Saline injection and HA were performed 3 times a week for 18 days. The length(total height, body length and tail length), weight and the protein efficiency ratio were measured as well as IGF-1 level in serum. Results : 1. GR-HA at GB39 and GR-HA at ST36 promoted growth in weight, tail length and total height but there was no statistical significance. 2. GR-HA at GB39 significantly promoted protein efficiency on the 14th day and GR-HA at ST36 on the 3rd day. 3. GR-HA at GB39 significantly increased serum IGF-1. GR-HA at ST36 increased IGF-1 slightly but with no statistical significance. 4. YM-HA at GB39 and YM-HA at KI10 promoted growth in weight, height, tail length and total height but there was no statistical relevance. 5. YM-HA at GB39 and YM-HA at KI10 significantly promoted protein efficiency on the 14th day. 6. YM-HA at GB39 and YM-HA at KI10 significantly increased serum IGF-1. Serum IGF-1 level of YM-HA-KI10 group was significantly higher than that of YM-HA-GB39 group. 7. Serum IGF-1 level of GR-HA-GB39 group was significantly higher than that of YM-HA-GB39 group. Conclusions : GR-HA and YM-HA both may promote growth. This study suggests that herbal acupuncture at GB39 is more effective with Gwui-ryong-tang than Yuk-mee ji-hwang-tang to promote growth. It also suggests that Yuk-mee ji-hwang-tang herbal acupuncture is more effective at KI10 than at GB39.
The Journal of Korean Institute of Communications and Information Sciences
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v.35
no.4B
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pp.637-646
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2010
For 40 Gb/s data transmission through electrical backplane trace up to 40 inch length on four layer fire-resistant (FR-4), we have designed the 40 Gb/s backplane channel model consisting of four channel 10 Gb/s. Simulation results show an enhancement of backplane channel characteristics excellent more than requirements specified in IEEE P802.3ba at 10 Gb/s. This paper provides a review of the structures and algorithms used in receive and adaptive equalization for 40 Gb/s backplane Ethernet. The use of this backplane channel model could achieves better receive equalizer at great data rate than 10 Gb/s.
Journal of the Korea Institute of Building Construction
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v.18
no.2
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pp.141-149
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2018
In this study, compacting, passing performance, segregation resistance and rheological properties were tested to improve the stability of fresh concrete in the production and construction of self-compacting concrete (SCC) using hollow glass powder(GB). As a result, T50 reaching time was shortened up to amount of GB $2.0kg/m^3$. The compacting according to the amount of GB was improved by ball bearing effect of GB. However, T50 reaching time was slightly increased at $4.0kg/m^3$. In the case of passing performance, the result showed that plain was Class 1, GB $0.5{\sim}2.0kg/m^3$ was Class 0, GB $4.0kg/m^3$ was Class 1. Therefore, the passing performance was improved with 'No blocking' up to amount of GB $2.0kg/m^3$. Passing performance Block step (PJ) number by J-ring method was also best at GB $1.0kg/m^3$. In the case of segregation resistance according to the amount of GB, dynamic segregation resistance was increased compared to plain regardless of the amount of GB. And static segregation resistance showed 2.5% of segregation rate at GB $1.0kg/m^3$. Therefore, it was greatly improved compared to plain (12.5%). In the case of rheology property according to the amount of GB, plastic consistency by increasing of GB content didn't show big difference. However, yield stress by increasing of GB content was decreased with GB $1.0kg/m^3$. In conclusion, GB $1.0kg/m^3$ was effective for improvement of compacting, passing performance and yield stress. Also, it will be useful for stability of SCC by improving segregation.
This study was conducted investigate the effect of Gibberellin and Urea on the growth of mulberry tree with the compound treatment, and the characteristic of silkworm when the mulberry leaves simply treated with GB and the compound treatment with GB and Urea were supplied. The results are as follows. 1. Mulberry tree A. The leaf weight per mulberry tree with the compound treatment of GB+ Urea was heavier in spring silkworm and the leaf yield was increased by 7% compared with the non-treatment plot. B. The growth of wattle, leaf length and leaf width was more accelerated in the compound treatment plot of GB+Urea, the single treatment plot of GB and Urea than th!: non-treatment plot in autumn silkworm, and there was observed an incredse yielding effect of 16% in GB+Urea plot, in 16% GB plot and 18% in Urea plot respectively as compared with th: non-treatment plot, hut yield per l000m unit of wattle length was the least in GB plot. C. In the composition of mulberry leaves of treatment, water and crude protein was increased in the compound treatment plot of GB + Urea and the single treatment plot of GB and Urea than the non-treatment plot, but dry matter and carbohydrate were decredsed. 2. Characteristics of Larva in spring silkworm A. The mortality ratio of 4 and 5 instar plot was equally high in the compound treatment plot of GB+ Urea and the pupation ratio of 4 instar plot was lower than other treatment plot. B. Although there was no significant difference observed in the cocoon weight of 10.000 1st-day worms in both 4 and 5 instar plots between each treatment plot, the single treatment plot of GB showed somewhat great than other treatment plots. C. There was no significant difference observed in the cocoon layer ratio between each treatment plot, but 4 instar plots was slightly higher than 5 instar plots. 3. Characteristics of Larva in Autumn silkworm A. The mortality ratio of the compound treatment plot of GB+ Urea and GB was higher than that of the nontreatment and single treatment plot of Urea. B. The pupation ratio of the single treatment plot of Urea was higher than that of the compound treatment plot of GB + Urea, and there was no significant difference observed between other treatment plot. C. The cocoon weight of 10.000 1st-day th instar worms was heavier in the single treatment plot of Urea than nontreatment plot, GB+Urea plot and GB plot. D. The cocoon layer ratio was no significant difference observed between each-treatment.
This study was conducted to investigate the effect of germanium biotite on the growth performance, blood composition , fecal NH$_3$-N and volatile fatty acid(VFA) in broiler chicks. Two hundred forty broiler chicks were randomly allocated into five treatments with four replicates for five weeks. Dietary treatments included 1) Control, 2) GB1(basal diet + 200 mesh 0.5%), 3) GB2(basal diet + 325 mesh 0.5%), 4) GB3(basal diet + 200 mesh 1.0%) and 5) GB4(basal diet +325 nesh 1.0%) For overall period, weight gain, feed intake and feed conversion were not significantly different among treatments (P>0.05). Digestibilities of nutrients were not affected by adding GB(P>0.05). No differences occurred in red blood cell(RBC), white blood cell(WBC), hematocrit(HCT), hemoglobin(Hb), lymphocyte, monocyte and platelet of blood among the treatments (P>0.05). Fecal NH$_3$-N concentration of chicks fed GB1.0 diets(GB3 and GB4) was lower(P<0.03) than chicks fed GB0.5 diets(GB1 and GB2). Propionic acid and butyric acid in feces of chicks fed GB diets were lower(P<0.04) than in chicks fed control diet. GB diets reduced fecal acetic acid significantly compared to control (P<0.01). Also, acetic acid of feces in chicks fed GB1.0 diets(GB3 and GB4) was lower(P<0.02) than GB 0.5 diets(GB1 and GB2) treatments. In conclusion, dietary germanium biotite was an effective means of decreasing fecal NH$_3$-N and volatile fatty acid(VFA) emission.
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