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ATOMIC CARBON IN THE W 3 GIANT MOLECULAR CLOUD
SAKAI TAKESHI,OKA TOMOHARU,YAMAMOTO SATOSHI The Korean Astronomical Society 2005 Journal of The Korean Astronomical Society Vol.38 No.2
We have mapped the W 3 giant molecular cloud in the $C^o\;^3P_1-^3 P_o$ ([CI]) line with the Mount Fuji Submillimeter-wave Telescope. The [CI] emission is extended over the molecular cloud, having peaks at three star forming clouds; W 3(Main), W 3(OH), and AFGL 333. The [CI] emission is found to be strong in the AFGL 333 cloud. We have also observed the $C^{18}O,\;CCS,\;N_2H^+$, and $H^{13}CO^+$ lines by using the Nobeyama Radio Observatory 45 m telescope. In the AFGL 333 cloud, we find two massive cores, which are highly gravitationally bound and have no sign of active star formation. The high [$C^o$]/[CO] and [CCS]/[$N_2H^+$] abundance ratios suggest that the AFGL 333 cloud is younger than the W 3(Main) and W 3(OH) clouds.
Wataru Yamagami,Nobuyuki Susumu,Takeshi Makabe,Kensuke Sakai,Hiroyuki Nomura,Fumio Kataoka,Akira Hirasawa,Kouji Banno,Daisuke Aoki 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.2
Objective: Reports on the repeated administration of medroxyprogesterone acetate (MPA) for intrauterine recurrence after fertility-preserving therapy for atypical endometrial hyperplasia (AEH) and early grade 1 endometrioid carcinoma (G1) are lacking. We aimed to clarify the outcomes of repeated MPA therapy in cases of intrauterine recurrence after fertility-preserving therapy with MPA against AEH/early G1. Methods: Patients with AEH or stage IA well-differentiated endometrioid carcinoma without myometrial invasion who underwent first-line MPA therapy for primary lesions or intrauterine recurrence were divided into initial treatment and repeated treatment groups (162 and 82 patients, respectively). Oral MPA administration (400−600 mg/day) was continued until pathological tumor disappearance. Data regarding clinicopathological factors, adverse events, and outcomes following the initial and repeated hormonal treatments were extracted from medical records and analyzed. Results: Complete response rates in the initial and repeated treatment groups were 98.5% and 96.4%, respectively, among patients with AEH, and were 90.7% and 98.1%, respectively, among patients with G1. In the initial treatment group, 5-year recurrence-free survival (RFS) rates were 53.7% and 33.2% among patients with AEH and G1, respectively. In the repeated treatment group, RFS rates were 14.0% and 11.2% among patients with AEH and G1, respectively. Among patients with AEH, the pregnancy rate tended to be lower in the repeated treatment group than in the initial treatment group (11.1% vs. 29.2%; p=0.107), while no significant group difference was observed among patients with G1 (20.8% vs. 22.7%). Conclusion: Repeated treatment is sufficiently effective for intrauterine recurrence after hormonal therapy for AEH/early G1.
Yoshitaka Matsuda,Ryoichi Sakai,Takenao Sugi,Satoru Goto,Takeshi Yasunaga,Yasuyuki Ikegami 제어로봇시스템학회 2019 제어로봇시스템학회 국제학술대회 논문집 Vol.2019 No.10
This research investigates the water level control of flash chamber in a spray flash desalination system. First, the water level model is constructed based on the mass conservation law and the thermophysical properties. In this research, not only the flow rate limitation but also the characteristics of valve is taken into account. For the constructed water level model, PI control system is considered. It is verified from simulation results using the PI control system that the control mechanism is suffered from the saturation nonlinearity and the water level has large overshoot. To solve this problem, in this research, an anti-windup compensation is applied. The effectiveness of the control system with anti-windup compensator was confirmed through simulation results.
Structural Analysis of High Performance Ion-Gel Comprising Tetra-PEG Network
Asai, Hanako,Fujii, Kenta,Ueki, Takeshi,Sakai, Takamasa,Chung, Ung-il,Watanabe, Masayoshi,Han, Young-Soo,Kim, Tae-Hwan,Shibayama, Mitsuhiro American Chemical Society 2012 Macromolecules Vol.45 No.9
<P>The structure of Tetra-PEG ion gel, which is tetra-arm poly(ethylene glycol) (Tetra-PEG) network in ionic liquid (IL) and has recently established in our group and possesses high ion conductivity and high mechanical properties, was investigated as functions of polymer concentration (ϕ) and molecular weight (<I>M</I><SUB>w</SUB>) by using small-angle neutron scattering (SANS) measurements. The results were compared with those of Tetra-PEG hydrogel. The macromer solutions of tetra-amine terminated PEG (TAPEG) macromers, which is one of the two constituents forming Tetra-PEG network, were found to interpenetrate each other in IL and exhibited a scaling relationship, ξ ∼ ϕ<SUP>–3/4</SUP>, where ξ is the correlation length. The SANS functions, <I>I</I>(<I>q</I>), for the ion gels made by cross-end-coupling of TAPEG and TNPEG (tetra-arm PEG with active ester groups) were represented by the so-called Ornstein–Zernike equation, suggesting absence of frozen inhomogeneites. The same scaling relationship to the macromer solutions, ξ ∼ ϕ<SUP>–3/4</SUP>, was also obtained for the ion gels. Furthermore, the SANS curves were superimposed to a single master curve with <I>I</I>(<I>q</I>)/ξ<SUP>5/3</SUP>ϕ vs <I>ξq</I> irrespective of <I>M</I><SUB>w</SUB> and ϕ. In contrast, the Tetra-PEG ion gels made by reswelling of a dried hydrogel showed a large upturn, indicating that the ion gels made by the “re-swollen” method caused the network inhomogeneities.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/mamobx/2012/mamobx.2012.45.issue-9/ma300244u/production/images/medium/ma-2012-00244u_0001.gif'></P>
Tsuneaki Takao,Seiji Okada,Yuichiro Morishita,Takeshi Maeda,Kensuke Kubota,Ryosuke Ideta,Eiji Mori,Itaru Yugue,Osamu Kawano,Hiroaki Sakai,Takayoshi Ueta,Keiichiro Shiba 대한척추외과학회 2016 Asian Spine Journal Vol.10 No.3
Study Design: Retrospective case series. Purpose: To clarify the influence of cervical spinal canal stenosis (CSCS) on neurological functional recovery after traumatic cervical spinal cord injury (CSCI) without major fracture or dislocation Overview of Literature: The biomechanical etiology of traumatic CSCI remains under discussion and its relationship with CSCS is one of the most controversial issues in the clinical management of traumatic CSCI. Methods: To obtain a relatively uniform background, patients non-surgically treated for an acute C3–4 level CSCI without major fracture or dislocation were selected. We analyzed 58 subjects with traumatic CSCI using T2-weighted mid-sagittal magnetic resonance imaging. The sagittal diameter of the cerebrospinal fluid (CSF) column, degree of canal stenosis, and neurologic outcomes in motor function, including improvement rate, were assessed. Results: There were no significant relationships between sagittal diameter of the CSF column at the C3–4 segment and their American Spinal Injury Association motor scores at both admission and discharge. Moreover, no significant relationships were observed between the sagittal diameter of the CSF column at the C3-4 segment and their neurological recovery during the following period. Conclusions: No relationships between pre-existing CSCS and neurological outcomes were evident after traumatic CSCI. These results suggest that decompression surgery might not be recommended for traumatic CSCI without major fracture or dislocation despite pre-existing CSCS.