89 research outputs found
对马克思实践哲学的现象学诠释
马克思实践哲学呈现出浓厚的现象学意蕴,其表现为:在方法原则上,马克思实践哲学展现出"回到事物本身"的现象学方法;在人学维度上,马克思实践哲学表现为"此在"式的"人的存在的现象学";在形式内容上,马克思实践哲学呈现出现象学内在的"超越性"。这种对马克思实践哲学的现象学诠释,一方面,以实践现象学的视角去蔽归澄,合理地诠释了存在问题,走出了传统形而上学的桎梏,并找到了通向存在澄明之境的智慧之路;另一方面,以实践现象学的视角关注现实,在对象化、具体化的实践活动中人的价值和意义得以展现,并在实践中追寻通向"共产主义"的现实之路。国家社会科学基金重大项目“当前主要社会思潮的最新发展动态及其批判研究”(16ZDA101)厦门大学研究生田野调查基金项目(2018GF004
Determination of Ofloxacin Residues in Fish Musculature by Spectrofluorimetry
采用荧光光度法测定了鲫鱼、鳗鱼、鲤鱼和罗非鱼肌肉组织中的氧氟沙星药物残留量。样品用酸性乙腈提取,正己烷脱脂,水相在B-R(pH4.0)缓冲溶液中,激发波长λex294nm,荧光波长λem496nm下用荧光光度法测定其中的氧氟沙星含量,氧氟沙星的线性范围0.03~0.20μg/ml,相关系数r=0.9929,检出限为0.005μg/ml。回收率为76.0%~94.5%。日内变异系数为2.14%~6.50%,日间变异系数为3.02%~9.78%。The spectrofluorimetric method is described for assaying ofloxacin in musculature of crucian, eel, carp and tilapia. The ofloxacin in fish samples was extracted with acidic acetonitrile and defatted with hexane. The aqueous phase was determined by spectrofluorimetry using Briston-Robinson buffer solution(pH 4.0) and detected at λex 294nm,λem 496nm. The linear range of the concentration of ofloxacin is 0.03~0.20μg/ml with r=0.9929. The limit of detections(LOD) is 0.005μg/ml. The recoveries of ofloxacin is 76.0% to 94.5%. The variation coefficient intra assay is 2.14% to 6.50% and inter assay is 3.02% to 9.78%。福建省自然科学基金项目(D031005
Characterization of Modified Flocculants of Fruits Slag
对化学改性天然高分子絮凝剂的制备及絮凝效果进行了初步研究。以来源丰富的水果渣为原料,分别与氯乙酸、丙烯腈、丙烯酰胺在不同的条件下醚化、聚合,制得多种絮凝剂,用于处理造纸废水。The paper investigates the preparation and effect of chemical modified natural high macromolecule flocculants.Several kinds of flocculants were prepared through graft copolymerization of fruit slag and chloracetic acid,acrylonitrile,acrylamide respectively.The coagulation test were performed in the treatment of papermaking wastewater
脑室下区胶质瘤病人生存状况的荟萃分析
目的通过Meta分析研究脑室下区(subventricular zone,SVZ)胶质瘤病人的生存状况。方法检索关于SVZ胶质瘤病人生存状况相关的文献,并按特定纳入标准与排除标准进行筛选。采用纽卡斯尔-渥太华量表对所选文献进行质量评价。使用随机效应模型或固定效应模型Meta分析比较SVZ胶质瘤和非SVZ胶质瘤病人中位生存期(overal survival,OS)和中位无进展生存期(progression free survival,PFS)的差异。结果本研究共纳入相关文献16篇。SVZ胶质瘤病人和非SVZ胶质瘤病人的中位OS分别为12.95个月和16.58个月,中位PFS分别为4.54个月和6.25个月。Meta分析结果显示:SVZ胶质瘤病人中位OS (OR=1.59,95%CI:1.35~1.87,P=0.036)及中位PFS (OR=1.44,95%CI:1.25~1.65,P <0.0001),均明显小于非SVZ胶质瘤。对选用多因素回归分析方法的文献进行亚组分析,亦发现SVZ胶质瘤病人中位OS明显小于非SVZ胶质瘤(OR=1.26,95%CI:1.12~1.42,P <0.0001)。结论 SVZ胶质瘤病人预后明显差于非SVZ胶质瘤病人。SVZ胶质瘤是影响胶质瘤病人预后的重要因素之一
Preliminary results on interactions between seawater, groundwater and river water in the Yellow River delta
al Effect on Subsurface Flow and Biogeochemical Processes at the Coastal Area: some reviews and an research plan in the Yellow River Delta
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