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이명종,Li, Ching-Yan,Jr, Kermit Cromack 강원대학교 삼림과학연구소 2000 Journal of Forest Science Vol.16 No.-
많은 산림의 임상에는 특유의 분해과정에 있는 목질의 도복고사목이 존재하며, 이는 식물, 동물의 서식처가 되고 미생물의 다양성을 제공한다. 분해급 III-V의 Douglus-fir의 목질부 시료를 넣은 리치튜브에 물오리나무(Alus hirsuta)와 루브라오리나무(A. rubra)를 파종하고 온실에서 재배 실험한 결과, 두 수종 모두 근류가 형성되어 분해중인 도복고사목에 감염성 Frankia가 존재함을 시사하였다. 압열멸균한 시료에선 생육이 매우 불량하였고 근류가 형성되지 않았다. 도복고사목 내의 Frankia의 존재로 목질 유기물이 공생 질소고정 균의 근원이 됨을 알 수 있었다. 이러한 결과는 산림생태계 내의 목질 유기물이 산림이 장기 생산력에 기여하는 系의 구조적 다양성과 생물적 다양성을 창조하고 유지시킨다는 것을 시사한다. Fallen and decomposing woody debris are conspicuous features of the forest floor in many natural forests. They provide habitats for plants, animals, and a diversity of microorganism. Seeds of Alus hirsuta and Alus rubra were sown in leach tubes containing Douglas-fir woody debris of decay class III-V. In greenhouse studies, wood samples induced effective nodule formation in Alus hirsuta and A. rubra, indicating that the fallen trees contained infections and effective Frankia. Alder on sterilized wood substrates grew poorly and did not nodulate. The preserve of infective Frankia in dead, fallen trees suggests that woody debris is a source of symbiotic nitrogen-fixing organism. The results suggest that coarse woody debris create and maintain structural and biological diversity that contributes to forest long-term productivity. Key words : woody debris, Alus hirsute, A. rubra, Frankia, biological diversity long-term productivity
Chou, Yi-Hsuan,Choo, Kwang-Ho,Chen, Shiao-Shing,Yu, Jui-Hsuan,Peng, Ching-Yu,Li, Chi-Wang Elsevier 2018 Separation and purification technology Vol.198 No.-
<P><B>Abstract</B></P> <P>A chemical reduction process was proposed to recover copper from the retentate of polyelectrolyte enhanced ultrafiltration (PEUF). Three polyelectrolytes (PSS, PAA, and PEI) containing various functional groups and molecular weights were studied to explore their effects on the copper removal in PEUF and on the copper recovery by chemical reduction under various pH conditions. With PSS which contains sulfonic group, copper was removed reasonably well (ca. 75%) by PEUF even under acidic pH value of 3. With PAA which contains carboxylic group, copper removal was a bit low (∼60%) under pH 3.0 but increased substantially at pH 4.0. A branched PEI having amine group achieved the highest Cu removal of 94% at pH 3. The copper removal efficiency decreased slightly with increasing pH due to the high permeation of PEI through membrane.</P> <P>Chemical reduction achieved the complete copper recovery for solution containing PSS. The copper recovery efficiencies were more than 95% for PAA solution with pH values ranging from 3 to 9 at reaction time of one hour. For PEI, the recovery efficiencies ranged from 20 to 96% and were pH dependent. Aggregated and settled readily copper particles were produced by chemical reduction in PSS solution. XRD analysis identified cuprous oxide in all of the samples. Dependent of pH and polyelectrolytes, additional peaks matching those of elemental copper were identified. TGA analysis showed that solids produced from PSS and PAA systems contained no polyelectrolytes while solid collected from PEI system contained 32% of polyelectrolyte.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Polyelectrolytes with different functional groups and MW were applied in PEUF. </LI> <LI> Effects of polyelectrolytes and pH on the reduction of copper were studied. </LI> <LI> Both Cu<SUB>2</SUB>O and Cu<SUP>0</SUP> were identified by XRD analysis of solids obtained. </LI> </UL> </P>
A 3-Gb/s Equalizer with an Adaptive Swing Controller for TFT-LCD Interfaces
Miao-Shan Li,Yen-Chen Lin,Chai-Chi Liu,Ching-Rong Chang,Jyun-Yi Li,You-Sheng Lin,Ching-Yuan Yang 대한전자공학회 2019 Journal of semiconductor technology and science Vol.19 No.1
A 0.18-μm CMOS 3-Gb/s equalizer with an adaptive swing controller is presented for 4K2K large display panels to compensate a 24-dB channel loss. Employing the output-swing control technique, we propose the adaptive loop for the equalizer to improve adaptation accuracy without degrading the boost tuning and input swing ranges. Besides, cascading two bandpass filters (BPF) measured energy in a narrow range is much more accuracy than conventional highpass filters (HPF). The measured jitter of 3-Gb/s and 1.5-Gb/s data are 0.23-UI and 0.356-UI for 1.23-m FR4 board, respectively. The core area occupies 0.12-㎟ and the power consumption is 27-mW at 3 Gb/s from a 1.8-V supply.
Li-Syue Liou,Fone-Ching Hsiao,Yi-Jen Hung,Chang-Hsun Hsieh 연세대학교의과대학 2014 Yonsei medical journal Vol.55 No.3
Pancreatitis is a very rare adverse effect of quetiapine treatment, with only 5 cases of quetiapine-associated pancreatitis reported in the English literature to date. Herein, we report one patient who developed severe hypertriglyceridemia (>1000 mg/dL) after quetiapine administration, resulting in acute pancreatitis. An analysis of the underlying pathogenic mechanisms and a review of relevant literature are also presented. Clinicians should be aware of the potentially life-threatening metabolicdisturbances and/or pancreatitis associated with quetiapine therapy.
The Beneficial Effects of Raffinee in Permanent Occulted Stroke Mice
Chun-Ching Chiu,Jer-Min Lin,Li-Yi Wu,Tsai-Ching Hsu,Bor-Show Tzang 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.12
Ischemic stroke is a major cause of disability and mortality globally. Although thrombolytic therapy is routinely adopted in cases of ischemic stroke, various alternative natural neuroprotectants are also used as effective adjuvant therapies to recover neurofunction following ischemic stroke. Raffinee, a natural fermented product with strong antioxidant and neuroprotective activities, has antiatherogenic effects in animals and has exhibited neuroprotective effects in a clinical trial by recovering motor and sensory function following spinal cord lesion. This study reveals the advantageous effects of Raffinee on PC12 cells by decreasing hypoxia-induced apoptosis in mice with permanent middle cerebral artery occlusion (pMCAO) by increasing the levels of neurotrophic factors such as S100β, reducing serum inflammatory factors such as matrix metalloproteinases (MMP)-9/MMP-2 ratio, tumor necrosis factor-α, and interleukin (IL)-6 level, and increasing IL-10 levels. Significantly reduced brain infarct volume along with a favorable survival ratio was observed for pMCAO mice that received Raffinee, suggesting a neuroprotective potential of Raffinee in cases of acute ischemic stroke by suppressing apoptosis.
Wei Ching Lee,Victor Der-Thanq Chen,Li-Yi Wang 서울대학교 교육연구소 2017 Asia Pacific Education Review Vol.18 No.4
Accompanying the trend of schools moving from teacher-centred to learner-centred pedagogy (LCP) practices, researchers have argued that teachers switching from the one to the other may as a result make changes in their personal judgement of their own teaching competency. This review aims to provide a comprehensive overview of recent studies of teacher efficacy beliefs (TEB) in relation to the LCP context. We have adopted a grounded approach to review 34 published papers between January 2009 and April 2016. Six themes were identified from our analysis of the findings of these studies to delineate how TEB has been studied in the LCP context. By a comparison with other two influential reviews on TEB research, we have also identified three trends and five issues in TEB research in LCP context. Future research directions are proposed with the intent to engage researchers sharing the same interest in this field.
Wu Sing-Shan,Tseng Ching-Tzu,Yang Yu-Hung,Liu Yao-Chia,Chang Ju-Chun,Gyawali Purushottam,Li Yi-Hsuan,Yang Tzu-Hao,Tsai Yi-Fang,Tang Li-Cheng,Nai Yu-Shin 한국응용곤충학회 2022 Journal of Asia-Pacific Entomology Vol.25 No.4
The fall armyworm, Spodoptera frugiperda, is an emerging invasive pest in Taiwan that feeds on a wide range of crops and causes serious damage. Herein, an entomopathogenic fungal library (EFLib) was constructed to identify potential microbes to control FAW. Twenty-eight indigenous entomopathogenic fungi (EPF) were iso lated and investigated for their potential pathogenicity, with Metarhizium pinghaense (Mp-NCHU-124) and Beauveria bassiana (Bb-NCHU-157) exerting dose-dependent effects on the 4th instar FAW larvae. The non-ionic surfactant Silwet L-77 rapidly killed FAW larvae after spraying at a concentration of 300 mg/kg and the toxic effect of Silwet L-77 on FAW larvae was dose-dependent. When the EPF isolates (10 6 conidia/mL) were applied to FAW larvae in combination with the non-ionic surfactant Silwet L-77 (30–90 mg/kg), the mortality rate dramatically increased and the LT 50 reduced, with increased fungal mycosis (Mp-NCHU-124: 38% to 72% and Bb-NCHU-157: 20 to 62%), indicating the high compatibility of EPF with the non-ionic surfactant. Thus, the Silwet L-77+EPF combined formulation has potential for practical field application for FAW pest control and sustainable agriculture in the future.
Katie Pei-Hsuan Wu,Li-Ching Lin,Johnny Chuieng-Yi Lu 대한성형외과학회 2022 Archives of Plastic Surgery Vol.49 No.6
Femoral nerve injuries are devastating injuries that lead to paralysis of the quadriceps muscles, weakening knee extension to prohibit ambulation. We report a devastating case of electrical injury-induced femoral neuropathy, where no apparent site of nerve disruption can be identified, thus inhibiting the traditional choices of nerve reconstruction such as nerve repair, grafting, or transfer. Concomitant spinal cord injury resulted in spastic myopathy of the antagonist muscles that further restricted knee extension. Our strategy was to perform (1) supercharge end-to-side technique (SETS) to augment the function of target muscles and (2) fractional tendon lengthening to release the spastic muscles. Dramatic postoperative improvement in passive and active range of motion highlights the effectiveness of this strategy to manage partial femoral nerve injuries.