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中性粒细胞计数和中性粒细胞与淋巴细胞比值对糖尿病患者冠状动脉病变程度的预测价值

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心血管康复医学杂志 2024年第4期33卷 416-419页

作者：刘涤董毓辉哈尔滨医科大学附属第一医院内分泌科黑龙江哈尔滨150001 哈尔滨医科大学附属第一医院心内科黑龙江哈尔滨150001

目的:分析中性粒细胞计数和中性粒细胞与淋巴细胞比值(NLR)对糖尿病患者冠状动脉病变程度的预测价值。方法:回顾性分析2021年9月至2022年4月于本院心内科住院行冠脉造影的糖尿病患者287例的临床资料。根据冠脉造影结果分为冠脉正常组94... 详细信息

目的:分析中性粒细胞计数和中性粒细胞与淋巴细胞比值(NLR)对糖尿病患者冠状动脉病变程度的预测价值。方法:回顾性分析2021年9月至2022年4月于本院心内科住院行冠脉造影的糖尿病患者287例的临床资料。根据冠脉造影结果分为冠脉正常组94例,轻中度病变组(040分)91例。比较三组患者的中性粒细胞计数和NLR。采用ROC曲线分析中性粒细胞计数和NLR对糖尿病患者冠状动脉病变程度的预测价值。结果:与冠脉正常组相比,轻中度病变和重度病变组的中性粒细胞计数[4.17(3.31,4.88)×10^(9)/L比4.96(4.28,6.07)×10^(9)/L比5.57(4.62,7.03)×10^(9)/L]、NLR[2.25(1.74,2.72)比3.18(2.48,3.66)比3.49(3.03,4.32)]均显著增加(P均<0.001)。二元Logistic回归分析显示,中性粒细胞计数(OR=1.566,P<0.001)、NLR(OR=2.152,P<0.001)是糖尿病患者冠脉病变的独立危险因素。ROC结果提示,中性粒细胞计数[曲线下面积(AUC)=0.750]、NLR(AUC=0.775)对糖尿病患者冠状动脉病变程度具有较好的预测价值。结论:糖尿病患者中性粒细胞计数、NLR与冠脉狭窄程度有着密切联系,均有较好的预测价值。

关键词：糖尿病冠状动脉疾病中性白细胞

6min步行距离联合NT-proBNP对射血分数保留型心力衰竭的诊断价值

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心血管康复医学杂志 2024年第2期33卷 206-210页

作者：董毓辉王冰哈尔滨医科大学附属第一医院心衰中心黑龙江哈尔滨150001

目的:探讨6min步行距离(6MWD)和N末端脑钠肽前体(NT-proBNP)对射血分数保留型心力衰竭(HFpEF)的诊断价值。方法:回顾性分析2019年1月至2021年4月哈尔滨医科大学附属第一医院心内科收治的80例HFpEF患者(HFpEF组)和同期体检的85例健康对照... 详细信息

目的:探讨6min步行距离(6MWD)和N末端脑钠肽前体(NT-proBNP)对射血分数保留型心力衰竭(HFpEF)的诊断价值。方法:回顾性分析2019年1月至2021年4月哈尔滨医科大学附属第一医院心内科收治的80例HFpEF患者(HFpEF组)和同期体检的85例健康对照者(健康对照组)的临床资料。比较两组一般资料、6MWD和血浆NT-proBNP的水平,利用受试者工作特征曲线(ROC)评估6MWD和血浆NT-proBNP及二者联合检测对HFpEF的诊断价值。结果:与健康对照组比较,HFpEF组血浆NT-proBNP水平[436.31(410.93,476.40)pg/ml比960.25(750.40,1460.50)pg/ml]显著升高,6MWD[440.00(412.00,460.00)m比359.00(300.00,403.75)m]显著降低,P均=0.001。ROC曲线分析显示,血浆NT-proBNP和6MWD都对HFpEF具有较高诊断价值(曲线下面积(AUC)=0.935、0.821),其截断值分别为511.9pg/ml和385.0m,且联合检测的AUC(0.943)高于单一检测,提示联合检测具有更高的诊断价值。结论:6min步行距离联合血浆N末端脑钠肽前体检测对HFpEF具有较高的诊断价值。

关键词：心力衰竭利钠肽,脑诊断

滤池反冲洗水回用对自来水厂水质及净水效果的影响

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中国给水排水 2024年第15期40卷 1-8页

作者：段书乐蒋才芳董慧峪梁虹蒋菱强志民中国科学院生态环境研究中心环境水质学国家重点实验室北京100085 广西绿城水务股份有限公司广西南宁530029

滤池反冲洗水是自来水厂生产废水的主要组成部分,已被水厂广泛回用。为了探讨反冲洗水直接回用对水厂各工艺段水质和各单元工艺净水效果的影响,通过对南方某大型水厂的实地调研,采用周期内监测、污染负荷计算和健康风险评估的手段综合... 详细信息

滤池反冲洗水是自来水厂生产废水的主要组成部分,已被水厂广泛回用。为了探讨反冲洗水直接回用对水厂各工艺段水质和各单元工艺净水效果的影响,通过对南方某大型水厂的实地调研,采用周期内监测、污染负荷计算和健康风险评估的手段综合比较了反冲洗水回用前后的水质和净水效果差异,明确了在5.0%的回用比例(反冲洗水与原水的体积比)下,反冲洗水回用会明显增加水厂工艺进水的浊度和Al3+负荷(其所占混合水负荷的比例高达70.7%和41.4%),但会降低农药类微污染物的暴露风险。与未回用相比,回用降低了混凝-沉淀工艺对UV254和溶解性有机碳(DOC)的去除,但增加了对无机物指标、CODMn和农药类微污染物的去除。此外,揭示了滤池是DOC、CODMn和农药类微污染物发生积累的关键单元,证实了反冲洗水回用不会造成出厂水水质超标。这一发现可为保障水厂供水水质安全的前提下提升水资源利用率提供重要的参考。

关键词：滤池反冲洗水回用自来水厂水质净水效果

Multi-channel phasemeter and its application in the heterodyne laser interferometry

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Science China(Technological Sciences) 2015年第4期58卷 746-749页

作者： LIU He Shan dong yu hui LUO Zi Ren LI yu Qiong JIN Gang National Microgravity Laboratory (NML) Institute of Mechanics Chinese Academy of Sciences School of Physics Chinese Academy of Sciences

The mission to detect gravitational wave in space requires a not only sophisticated but also ultra-precise laser interferometric measurement system. Within a single spacecraft, tens of interferometric beat signals are generated at the same time and they also need to be processed simultaneously. In this paper, a multi-channel phasemeter which can parallelly process the signals is constructed. The test shows that a sensitivity of 2n grad/√Hz could be achieved in the frequency range of 0.1 to 10 Hz. We also utilize the phasemeter to evaluate the performance of a heterodyne laser interferometer.

关键词： phasemeter laser interferometer gravitational waves detection

Serum anti-aquaporin 4 antibody in neuromyelitis patients is not correlated with the length of injured spinal cord segments

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Neural Regeneration Research 2011年第35期6卷 2725-2731页

作者： Shirong Li Lan Chu Shuai dong hui yu Zhu Xu Hao Wang Department of Neurology Affiliated Hospital of Guiyang Medical College Guiyang 550004 Guizhou Province China

Clinical information and serum samples of 20 neuromyelitis patients and 30 patients with multiple sclerosis were collected in this study. The expression of anti-aquaporin 4 antibody in the serum of all patients was detected with an indirect immunofluorescence assay, using human embryonic kidney 293 cell line that stably express human-derived aquaporin 4 as a substrate. The characteristics of head and spinal magnetic resonance imaging were also observed in patients who had neuromyelitis and were positive for anti-aquaporin 4 antibody. Results showed that the expression of anti-aquaporin 4 antibody was significantly different between multiple sclerosis patients and neuromyelitis patients. There were 13 out of 20 neuromyelitis patients （including high-risk syndrome） that were positive for anti-aquaporin 4 antibody. The magnetic resonance imaging examinations of the head and spinal cord found that among the 13 positive patients, nine cases showed normal cerebral hemisphere and optic nerve, two cases had optic nerve changes, and one case had an atypical lesion in the brain. All 30 multiple sclerosis patients were negative for this antibody. The experimental findings indicate that patients with neuromyelitis optica had more than three lesioned segments in the spinal cord by magnetic resonance imaging, and the segment length of the injured spinal cord was not associated with the titer of aquaporin 4 antibody in neuromyelitis patients.

关键词： neuromyelitis optica multiple sclerosis aquaporin 4 antibody magnetic resonance imaging neural regeneration

Decolorization of azo dyes with high salt concentration by salt-tolerant mixed cultures under anaerobic conditions

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Journal of Environmental Sciences 2005年第6期17卷 984-988页

作者： GUO Jian-bo ZHOU Ji-ti WANG dong WANG Jing yu hui SONG Zhi-yong School of Environmental and Biological Science and Technology Dalian University of Technology Dalian 116023 China

Because the lack of detailed study of biological decolorization in high salt dye wastewater, it is still difficult to evaluate the biological treatment on high-salinity dye wastewater. The experiments were carried out to study the salt-tolerant bacteria, which is useful in the treatment of high-salinity colored wastewater. Simulated wastewater containing 5-150 g/L salt （NaCI） and 50-2000 mg/L Reactive Brilliant Red K-2BP was treated with three salt-tolerant mixed cultures （CAS, TAS, DSAS）, which were under a gradually acclimated procedure. With the increase of concentrations of salt and dye, the decolorization became low. The abilities of decolorization of dyes wastewater by three mixed cultures （CAS, TAS, DSAS） were studied, CAS and DSAS mixed cultures showed more active for the treatment of high-salinity colored wastewater than TAS mixed cultures. The results suggested that there might be a simple process for the high salt wastewater treatment, which could be incorporated into conventional activated sludge plants.

关键词： anaerobic decolorization hyper-salinity salt-tolerant mixed cultures

Laser Interferometer Used for Satellite-Satellite Tracking: an On-Ground Methodological Demonstration

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Chinese Physics Letters 2012年第7期29卷 295-297页

作者： LI yu-Qiong LUO Zi-Ren LIU He-Shan dong yu-hui JIN Gang National Microgravity Laboratory(NML) Institute of MechanicsChinese Academy of SciencesBeijing 100190

A Chinese satellite gravity mission called SAGM (Space Advanced Gravity Measurements) is now taken into *** meet its designed requirement,the measurement precision of the laser ranging system used to measure the inter-satellite distance change has to be better than l00nm/Hz1/2 within a broad bandwidth from 0.1mHz to *** equal arm heterodyne Mach-Zehnder interferometer has been built on ground to demonstrate the measurement principle of a laser ranging system,which potentially can be used for both SAGM and future GW (gravitational wave) space *** of the equal arm length,the laser frequency noise has been significantly suppressed in the ***,the sensitivity better than 1nm/Hz1/2 in a frequency range of 0.15 mHz-0.375 Hz has been *** result shows that the proposed methodology has very promising feasibility to meet the requirements of SAGM and of GW space antennas as well.

关键词： interferometer antennas heterodyne

Computational fluid dynamics modeling of rapid pyrolysis of solid waste magnesium nitrate hydrate under different injection methods

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Chinese Journal of Chemical Engineering 2024年第2期66卷 224-237页

作者： Wenchang Wu Kefan yu Liang Zhao hui dong SEP Key Laboratory of Eco-industry School of MetallurgyNortheastern UniversityShenyang 110819China Liaoning Engineering Research Center of Energy Saving and Green Low Carbon Technology for Process Industry Northeastern UniversityShenyang 110819China

This study developed a numerical model to efficiently treat solid waste magnesium nitrate hydrate through multi-step chemical *** model simulates two-phase flow,heat,and mass transfer processes in a pyrolysis furnace to improve the decomposition rate of magnesium *** performance of multi-nozzle and single-nozzle injection methods was evaluated,and the effects of primary and secondary nozzle flow ratios,velocity ratios,and secondary nozzle inclination angles on the decomposition rate were *** indicate that multi-nozzle injection has a higher conversion efficiency and decomposition rate than single-nozzle injection,with a 10.3%higher conversion rate under the design *** decomposition rate is primarily dependent on the average residence time of particles,which can be increased by decreasing flow rate and velocity ratios and increasing the inclination angle of secondary *** optimal parameters are injection flow ratio of 40%,injection velocity ratio of 0.6,and secondary nozzle inclination of 30°,corresponding to a maximum decomposition rate of 99.33%.

关键词： Multi-nozzle Computational fluid dynamics Thermal decomposition reaction Pyrolysis furnace

Quantitative　Determination　of　Benoxinate　Hydrochloride　by　Three　Wavelength　Spectrophotometry

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Chemical Research in Chinese Universities 1994年第4期10卷 297-300页

作者： hui Rui-hua HOU dong-yan and hui yu-lin(The Centre of Analysis and Measurenient,Liaoning University,Shenyang, 110036)

hree wavelength spectrophotometry was used to determine the content ofbenoxinate *** this method could effectively eliminate the devia-tion of background absorption caused by the change of concentration and the errorof quantitative anaiysis caused by asymmetric peaks, and at the same time the lean-ing degree of base line was *** method was simple, the recovery was98. 62% 101. 86% and the coefficient of variation was 0. 551%.

关键词： Spectrophotometry Three wavelength Benoxinate hydrochloride