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Mapping the Posterior Ledge and Optic Foramen in Orbital Floor Blowout Fractures
Wong Yu Cong,Goh Doreen S.L.,Yoong Celine S.Y.,Ho Cowan,Cai Elijah Z.,Hing Angela,Lee Hanjing,Nallathamby Vigneswaran,Yap Yan L.,Lim Jane,Gangadhara Sundar,Lim Thiam C. 대한성형외과학회 2023 Archives of Plastic Surgery Vol.50 No.4
Background The posterior ledge (PL) is a vital structure that supports the implant posteriorly during orbital floor reconstruction. This study describes a technique for mapping the PL in relation to the infraorbital margin (IM) in patients with orbital floor blowout fractures. This study establishes the location of the optic foramen in relation to the PL. Methods Facial computed tomography (FCT) scans of 67 consecutive patients with isolated orbital floor blowout fractures were analyzed using Osirix. Planes of reference for orbital fractures, a standardized technique for performing measurements on FCT, was used. Viewed coronally, the orbit was divided into seven equal sagittal slices (L1 laterally to L7 medially) with reference to themidorbital plane. The distances of PL from IM and location of optic foramen were determined. Results The greatest distance to PL is found at L5 (median: 30.1mm, range: 13.5– 37.1mm). The median and ranges for each slice are as follows: L1 (median: 0.0mm, range: 0.0–19.9mm), L2 (median: 0.0mm, range: 0.0–21.5mm), L3 (median: 15.8mm, range: 0.0–31.7mm), L4 (median: 26.1mm, range: 0.0–34.0mm), L5 (median: 30.1mm, range: 13.5–37.1mm), L6 (median: 29.0mm, range: 0.0– 36.3mm), L7 (median: 20.8mm, range: 0.0–39.2mm). The median distance of the optic foramen from IM is 43.7mm (range: 37.0– 49.1) at L7.
R.X. Zhao,C.H. Cai,P. Wang,L. Zheng,J.S. Wang,K.X. Li,W. Liu,X.Y. Guo,X. A. Zhan,K.Y. Wang 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.6
Objective: The study was conducted to evaluate the effects of night light regimen on growth performance, antioxidant status and health of Lingnan Yellow broiler chickens from 1 to 21 days of age. Methods: A completely randomized factorial design involved 2 photoperiods (constant lighting [CL], 24 L:0 D and intermittent lighting [INL], 17 L:3 D:1 L:3 D)×2 light intensities (10 lx and 30 lx). A total of one thousand six hundred and eighty 1-d-old Lingnan Yellow broiler chicks were randomly divided into 4 treatments with 6 replicates (70 birds per replicate). The experiment lasted for 21 d. Results: Photoperiods and light intensities had no effect on average daily gain, feed conversion ratio, and mortality of the broiler chickens (p>0.05). The INL had a significant effect on average daily feed intake (p<0.05) of broiler chickens compared with CL. Photoperiod and light intensity had an interactive effect on melatonin (MT) concentration (p<0.05). At CL, reducing light intensity increased MT concentration; INL birds had higher MT but MT concentration was not affected by light intensity. There was an interactive effect on glutathione peroxidase (GPx) and catalase (CAT) in serum and total antioxidant capability (T-AOC) in liver between photoperiod and light intensity. With the decrease of light intensity, the activities of GPx and CAT in serum and T-AOC in liver increased in CL group (p<0.05). Broiler chickens reared under INL had better antioxidant status and 10 lx treatments had higher activities of CAT in serum than 30 lx (p<0.05). Different photoperiods and light intensities had no effect on malondialdehyde. There was an interaction between photoperiod and light intensity on serum creatine kinase (CK) concentration (p<0.05). At CL, the elevated light intensity resulted in an increase in CK content; INL birds had lower CK concentration especially in low light intensity group. Besides, INL and low light intensity significantly reduced the concentration of serum corticosterone and heat shock protein 70 (p<0.05). Serum immunoglobulin M contents were increased in broiler chickens reared under the INL compared with CL group (p<0.05). Conclusion: Results above suggest that the night light regimen of INL and 10 lx could be beneficial to the broiler chickens from 1 to 21 days of age due to the better health status and electricity savings.
Wang, X L,Dou, S X,Ren, Zhi-An,Yi, Wei,Li, Zheng-Cai,Zhao, Zhong-Xian,Lee, Sung-IK IOP Pub 2009 Journal of physics, an Institute of Physics journa Vol.21 No.20
<P>We measured the initial <I>M</I>–<I>H</I> curves for a sample of the newly discovered superconductor NdFeAsO<SUB>0.82</SUB>Fe<SUB>0.18</SUB>, which had a critical temperature, <I>T</I><SUB>c</SUB>, of 51 K and was fabricated at the high pressure of 6 GPa. The lower critical field, <I>H</I><SUB>c1</SUB>, was extracted from the deviation point of the Meissner linearity in the <I>M</I>–<I>H</I> curves, which show linear temperature dependence in the low temperature region down to 5 K. The <I>H</I><SUB>c1</SUB>(<I>T</I>) indicates no s-wave superconductivity, but rather an unconventional superconductivity with a nodal gap structure. Furthermore, the linearity of <I>H</I><SUB>c1</SUB> at low temperature does not hold at high temperature, but shows other characteristics, indicating that this superconductor might have multi-gap features. Based on the low temperature nodal gap structure, we estimate that the maximum gap magnitude Δ<SUB>0</SUB> = (1.6 ± 0.2) <I>k</I><SUB>B</SUB><I>T</I><SUB>c</SUB>.</P>
Dry Metal Forming Using CO₂ as Volatile Media Injected through Die
L. H. Cai(채려홍),J. W. Kang(강지원),S. T. Hong(홍성태) Korean Society for Precision Engineering 2021 한국정밀공학회 학술발표대회 논문집 Vol.2021 No.5월
Abound of lubricating oil is used in sheet metal forming. A new green technology to prevent a large quantity of waste lubricating oil is dry metal forming. While coating technology is a popular approach for dry metal forming to protect environment and save time, high strength workpiece may lead to tool coating failure during manufacturing process. As an alternative to dry metal forming, volatile media could be utilized to reduce friction in contact zone and ensure product quality. CO2/SUB> as volatile media is famous for phase change, which volume after evaporation separates tools and workpiece. A flat die with microholes for a flat strip drawing tribometer is designed by 3D printing technology to evaluate the performance of CO2/SUB> as a volatile lubricant. Flat strip drawing tribometer is used to simulate draw force against normal force during sliding process. The result shows that CO2/SUB> pressure and microholes have a significant effect on friction performance.
Cai, L.,Indrakumar, S.,Kiarie, E.,Kim, I. H. Oxford University Press 2015 Journal of Animal Science Vol.93 No.9
<P>This experiment was conducted to investigate the effect of a spp.-based direct-fed microbial (DFM) on growth performance, apparent total tract digestibility (ATTD), blood profile, intestinal histomorphology, and fecal gas emission in piglets fed corn and soybean meal-based diets. The DFM product was based on 1 strain of and 2 strains of and formulated to supply 1.5 ?? 10 cfu/g of feed. A total of 128 piglets ([Yorkshire ?? Landrace] ?? Duroc; 6.8 ± 0.6 kg BW; weaning age: 24 d) were housed in groups (4 pigs/pen, 2 barrows and 2 gilts) and fed diets ( = 16) without or with DFM in a 2-phase feeding program: d 0 to 14 (phase I) and 15 to 42 (phase II). Feed intake and BW were measured weekly. At the end of each phase, samples for blood urea nitrogen (BUN), blood creatinine, ATTD, and fecal noxious gas emission were taken. At termination, 12 piglets per treatment were killed to access intestinal tissues for histomorphology. Overall, pigs fed DFM had a greater ( < 0.05) G:F than pigs fed the control diet. In phase I, pigs fed DFM showed a greater ( < 0.05) ADG and lower ( < 0.05) concentration of BUN and fecal ammonia emission than the control group. In phase II, a greater ( < 0.05) ATTD of nitrogen and longer ( < 0.05) duodenum and jejunum villi were observed in pigs fed the DFM diet compared with the control group. In conclusion, inclusion of DFM improved growth performance and villi length of the duodenum and jejunum in nursery pigs. Furthermore, DFM enhanced protein utilization as demonstrated by increased nitrogen digestibility, lower BUN, and lower fecal ammonia release.</P>
Magnetic Study of Heavily Mn-doped CuO Thin Films
L. Li,B. Lv,J. Z. Cai,W. Q. Zou,X. S. Wu,F. M. Zhang 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.10
Cu0.7Mn0.3O films were deposited by Plasma Enhanced Chemical Vapor Deposition and annealed in different atmospheres. The XRD diffraction results indicate that samples annealed in air and N2 both show pure CuO phases, while the film annealed in O2 has a secondary phase CuMn2O4. The content of Mn was confirmed by Energy dispersive X-ray spectroscopy. The M-T and M-H curves show that the average magnetic moment of the films prepared in O2 is larger than those prepared in air and in N2 atmosphere. Ferromagnetic segments Mn-O-Cu-O-Mn can be used to understand the ferromagnetism of CuO under heavily Mn-doping. And the magnetic moment per Mn ions calculated on the base of this chain model is consistent with the experimental result.