Search

Copyright of Coal Geology & Exploration is the property of Xian Research Institute of China Coal Research Institute and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Aspergillus niger is an important strain for industrial production of organic acids and enzymes, possessing a powerful hydrolytic enzyme system and glucose transport system, which enable to copy with extracellular carbon sources variance and uptake glucose to support cell growth and industrial production. As an important carbon source and an essential signaling molecule, glucose and its uptake has considerable influence on cell growth and fermentation performance. Regarding to issue of lacking simple methods for quantitative characterization of glucose absorptive capacity in filamentous fungi, we developed a quantitative detection pipeline for glucose uptake capacity assay for filamentous fungi, using a non-metabolizable,flourscent glucose analog, 2-(N-(7-nitrobenz-2-oxa-1,3-diazol-yl)amino)-2-deoxyglucose(2-nbdg) as a fluorescent probe, then incubating pre‑cultured A. niger spores with 2‑NBDG, and using with fluorescence microscopy and flow cytometry. It showed that the optimized 2‑NBDG work concentration and incubation time were 150 μmol/L and 4 h, respectively. Using this quantitative analysis method, it was found that the overexpression of low affinity glucose transporter MstC increased glucose uptake by 1.44 times. Meanwhile, on the basis of previous studies, mutant R188K of MstC was designed, and the point mutation directly caused the loss of glucose transport activity of MstC, which indicates that Arg188 is a key amino acid site affecting the glucose transport capacity of MstC. The establishment of this quantitative glucose uptake detection method and its application to the study of MstC function not only deepens the quantitative understanding of glucose absorption in filamentous fungi, but also provides technical support for the transformation and optimization of glucose transport system. This study provides a feasible quantitative approach to investigate the glucose uptake of filamentous fungi, and also revealed the physiological function of key glucose transporter MstC, which paves the way for glucose uptake engineering in this industrially important fungal cell factory [ABSTRACT FROM AUTHOR]

Objective The aim is to explore the impact of fracturing construction parameters on the erosion of movable elbow, and movable elbow erosion behavior and change trend of maximum erosion rate under different working conditions. Methods The CFD software is used to establish a model of double-curved movable elbow with a diameter of 69.85 mm, and the erosion behavior of the movable elbow under different installation angles, proppant mass flow rates, fracturing fluid flow rates and viscosity conditions is simulated and calculated in combination with the actual fracturing conditions. Results Under different working conditions, the maximum erosion rate of the elbow occurs at the outlet of the outer arch side of the second curved arc. Under the same condition of other parameters, the maximum erosion rate of the movable elbow appears a minimum when the installation angle is 75°. When the mass flow rate of proppant is in the range of 4.2-25.2 kg/s, the maximum erosion rate increases linearly. When the mass flow rate of proppant reaches 33.6 kg/s, the erosion rate decrease slightly due to the "shielding effect". Erosion rate shows an approximate exponential growth trend with the increase of fracturing fluid flow rate; When the viscosity of the fracturing fluid is within the range of 10-40 mPa · s, the maximum erosion rate of the movable elbow is relatively stable, and the maximum erosion rate also increases with the increase of the viscosity, and tends to be stable after the viscosity reaches 120 mPa · s. Conclusions The research results are basically consistent with the field practice, which can provide effective reference for the layout of moveable elbow and the optimization of construction parameters in the fracturing field. [ABSTRACT FROM AUTHOR]

Copyright of Chinese Journal of Liquid Crystal & Displays is the property of Chinese Journal of Liquid Crystal & Displays and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of the Chinese Society of Rare Earths is the property of Editorial Department of Journal of the Chinese Society of Rare Earths and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Forest Research is the property of Forest Research Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Mechanical & Electronic Control Engineering is the property of Omniscient Pte. Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Engineering Science Research & Application is the property of Omniscient Pte. Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Telecommunications Science is the property of Beijing Xintong Media Co., Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Tropical Medicine is the property of China Tropical Medicine Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of the Chinese Society of Rare Earths is the property of Editorial Department of Journal of the Chinese Society of Rare Earths and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Hebei University of Science & Technology is the property of Hebei University of Science & Technology, Journal of Hebei University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Advances in Water Science / Shuikexue Jinzhan is the property of Editorial Board of Advances in Water Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Hebei University of Science & Technology is the property of Hebei University of Science & Technology, Journal of Hebei University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Engineering Mechanics / Gongcheng Lixue is the property of Engineering Mechanics Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Imaging Science & Photochemistry is the property of Imaging Science & Photochemistry Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of the Chinese Society of Rare Earths is the property of Editorial Department of Journal of the Chinese Society of Rare Earths and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Henan Agricultural Sciences is the property of Editorial Board of Journal of Henan Agricultural Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Telecommunications Science is the property of Beijing Xintong Media Co., Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Beijing University of Traditional Chinese Medicine is the property of Journal of Beijing University of Traditional Chinese Medicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Hebei University of Science & Technology is the property of Hebei University of Science & Technology, Journal of Hebei University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Zhengzhou University: Engineering Science is the property of Editorial Office of Journal of Zhengzhou University: Engineering Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: To investigate the effect of desloratadine citrate disodium combined with endoscopic sinus surgery on clinical symptoms and inflammatory response in patients with chronic sinusitis. Methods: 116 patients with chronic sinusitis admitted to our hospital from March 2017 to July 2018 were selected as the research objects. They were divided into traditional group and combined group according to random number table method, 58 cases in each group. The traditional group were treated with endoscopic sinus surgery. The combined group were treated with desloratadine citrate disodium on the basis of endoscopic sinus surgery. The clinical efficacy, symptom visual analogue scale (VAS) scores, clearance function of nasal mucociliary, levels of inflammatory factors and adverse reactions were compared between the two groups. Results: The total effective rate of the combined group were higher than that of the traditional group, and the VAS scores of headache, nasal obstruction, facial pain and olfactory disturbance in the combined group were lower than those in the traditional group (P<0.05). The clearance rate and clearance speed of the two groups after treatment were higher than those before treatment, and the clearance time was shorter than that before treatment (P<0.05). Compared with the traditional group, the clearance rate and clearance speed of the combined group increased and clearance time shortened after treatment (P<0.05). After treatment, the levels of tumor necrosis factor-α (TNF-α), interleukin-5 (IL-5), interleukin-12 (IL-12) and high-sensitivity C-reactive protein (hs-CRP) in the two groups were lower than those before treatment, and those in the combined group were lower than those in the traditional group(P<0.05). There was no significant difference in the incidence of adverse reactions between the two groups (P>0.05). Conclusion: On the basis of endoscopic sinus surgery, combined use of desloratadine citrate in the treatment of chronic sinusitis patients has a definite effect, effectively alleviating inflammatory response, alleviating the clinical symptoms of patients. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Hebei University of Science & Technology is the property of Hebei University of Science & Technology, Journal of Hebei University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Secretary (16742354) is the property of Secretary Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Hebei University of Science & Technology is the property of Hebei University of Science & Technology, Journal of Hebei University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Oil Drilling & Production Technology / Shiyou Zuancai Gongyi is the property of Shiyou Zuancai Gongyi Bianjibu and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Although activities of daily living (ADL) is an important indicator of the health status of the elderly, the rigorous quantitative studies of the relation hip between it and the residual life has been well studied. According to t he panel survey data of the elderly aged from 55 upward from China health and nutrition survey, we constructed a stochastic filtering model to predict the residual life based on ADL. Then, the goodness-of-fit test was carried out to test the model. The resuIt demonstrates that the ADL which is closely related to health status can be well used in residual life prediction when biochemical markers are not available in most cases. It provides a scientific basis for paying attention to the ADL of the elderly which is advocated by population health management and an important reference for determining premiums by life insurance companies through the ADL of the elderly. [ABSTRACT FROM AUTHOR]

Copyright of Oil Drilling & Production Technology / Shiyou Zuancai Gongyi is the property of Shiyou Zuancai Gongyi Bianjibu and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Telecommunication Engineering is the property of Telecommunication Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of China University of Petroleum is the property of China University of Petroleum and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

目的:探讨经肘关节肱三头肌内外侧双切口手术治疗儿童肱骨髁上GartlandⅢ型骨折的疗效。方法选取2014年4月至2015年3月该科收治的儿童肱骨髁上骨折患儿256例，其中103例GartlandⅢ型骨折采用手法复位小夹板外固定治疗失败，紧迫转行经肘关节肱三头肌内外侧双切口切开复位克氏针交叉内固定治疗。结果该组103例患儿均获随访，随访时间2~9个月，平均4个月。103例均愈合，骨折愈合时间1.5~8.0个月，平均2个月。按Flynn功能评定标准:优76例，良17例，可8例，差2例，优良率90.3%。结论经肘关节肱三头肌内外侧双切口手术治疗难复性儿童肱骨髁上GartlandⅢ型骨折具有复位精准，固定安全可靠，肘内翻发生率低，手术创伤小，不破坏伸肘装置，紧迫手术肢体肿胀消退快，可早期功能锻炼，术后功能恢复较好，是较理想的手术方式。 [ABSTRACT FROM AUTHOR]