Syndrome Index System Screening Based on Expert Questionnaire of Correspondence Between Traditional Chinese Medicine Syndrome and Symptom of Sub-health

目的:筛选亚健康中医证候指标,建立亚健康证-症对应关系。方法:采用专家问卷调查,考核专家权威系数、协调系数,运用均值,等级和,满分比等方法对亚健康脾气虚证、心气虚证、肺气虚证、肝气郁结证、火证和湿证6个中医证候对应的63个症状进行筛选。共有40位专家参与此次问卷调查。结果:问卷回收率为87.5%,34份有效问卷参与统计分析。问卷单个领域和总体的权威系数均≥0.8,问卷单个领域和总体的专家协调系数检验均具有统计学意义(P<0.01),问卷总体的专家协调系数为0.479。经过筛选,最后筛选出6个亚健康证候所对应的43项症状指标。结论:在保证专家群体具有较高权威性、协调性的情况下,运用专家问卷调查法,结合相关数理评价指标对亚健康中医证候指标体系进行筛选是有效的可行的。Objective: To screen the sub-health traditional Chinese medicine( TCM) syndrome indexes,and establish the corresponding relationship between sub-health syndromes-symptoms. Method: Expert questionnaire survey was used to test the authority coefficient and the coordination coefficient of experts,with use of means,sum of ranks,ratio of full marks to screen 63 symptoms included in the 6 TCM syndromes of spleen-Qi deficiency,heart-Qi deficiency,lung-Qi deficiency,liver stagnation,fire syndrome and dampness syndrome. A total of 40 experts were involved in the questionnaire survey. Result: The questionnaire recovery rate was 87. 5%,and 34 valid questionnaires were involved in statistical analysis. The overall and individual questionnaire authority coefficient was 0. 8 or higher,with statistical significance in overall and individual questionnaire coordination coefficient( P < 0. 01). The overall experts coordination coefficient was 0. 479. After screening,finally 43 symptoms in 6 sub-health syndromes were selected. Conclusion: Under the condition of a high degree of authority and coordination for the experts group,it is effective and feasible to screen the sub-health TCM syndrome indexes by using expert questionnaire survey combined with the relevant mathematical evaluation indexes.国家自然科学基金项目(81403324);; 广东省中医药管理局科研课题(20141211

粒子と誘導熱プラズマの相互作用及びフラーレン生成への応用

取得学位：博士(学術)，学位授与番号：博甲第546号，学位授与年月日：平成15年3月25日,学位授与年：200

Control Study on Symptom of Anxiety and Depression Disorder before and after 5· 12 Wenchuan Earthquake

目的:探讨家庭社会经济地位、职业价值观对医学生主观幸福感的独特效应,以及家庭社会经济地位与职业价值观对医学主观幸福感的交互效应。方法:采用家庭社会经济地位问卷、职业价值观问卷和主观幸福感量表对4054名医学生实施团体施测。结果:1女生在目的性职业价值观的家庭维护、成就实现维度得分显著高于男生(P<0.001),在地位追求、社会促进维度的得分显著低于男生(P<0.001);在手段性职业价值观的兴趣性格、规范道德、职业前景、福利待遇维度得分显著高于男生(P<0.01或P<0.001),在薪酬声望维度得分显著低于男生(P<0.001)。2家庭社会经济地位、成就实现、社会促进、兴趣性格、地位追求、轻松..

Improvement on Determination of Lead in Blood by Graphite Furnace Atomic Absorption Spectrometry

[目的]改进石墨炉检测低浓度血铅国标方法,对测定结果进行不确定度评定。[方法]应用0.20%硝酸和0.10%曲拉通X-100混合溶液作为稀释剂,0.10%硝酸钯和0.06%硝酸镁作为基体改进剂,参考仪器推荐测定条件,应用AA-900T石墨炉原子吸收分光光度计测定血中铅。对所建立的方法进行检出限及定量下限等方法学验证,并应用国家标准物质对准确度进行评定。[结果]结果显示:检出限为0.84μg/l;定量下限为2.80μg/l;线性范围为2.80~200.00μg/l;血铅浓度为100.00μg/l时相对标准偏差为1.24%;对国家标准物质进行测定,检测结果为112.10μg/l,落在其标准值及不确定度范围之内[(120.00±15.00)μg/l]。[结论]所建立的血铅检测方法各项确认参数符合要求,方法的不确定性在容许范围内。[Objective]To improve a method on determination of lead in blood by graphite furnace atomic absorption spectrometry and to estimate the uncertainty of the application.[Methods]Mixed solution containing 0.20% nitric acid and 0.10% Triton X-100 was used as diluent,and mixed solution containing 0.10% palladium nitrate and 0.06% magnesium nitrate was used as matrix modifier.Referring to the recommended instrument measuring conditions,an AA-900T graphite furnace atomic absorption spectrophotometer was applied to determine lead in blood.The limits of detection and the lower limit of quantification of the proposed revised measurement were estimated.The accuracy were determined by national standard reference material.[Results] The detection limit was 0.84μg/L and the quantification lower limit was 2.80μg/L.The linear range was 2.80-200.00μg/L,and the relative standard deviation was 1.24% for blood lead at 100.0μg/L.The concentration of the national standard reference material was 112.10μg/L and within the required uncertainty range of(120.00±15.00) μg/L.[Conclusion]All parameters of the proposed method meet the requirement of the national clinic laboratory technique guideline.The estimated uncertainty of the method falls within the acceptable range.北京市自然科学基金资助项目(编号:2122060

PM流量控制器参数对液体静压导轨运动精度影响的研究

液体静压导轨在超精密机床中广泛应用,其运动误差直接影响被加工件表面精度,因此,针对液体静压导轨运动精度的研究并不少见。然而,上述研究涉及的建模方法都具有一定的简化处理,并且少有考虑恒压式液体静压导轨中关键元件节流器的影响作用。基于运动学理论,直接建立四油垫闭式液体静压导轨准静态理论模型,研究PM流量控制器参数对运动精度的影响。分析表明,该节流器三个关键参数不影响运动误差曲线波峰波谷的出现位置,但会影响运动误差的波动程度和PV值。通过油膜反力波动分析可以解释运动误差变化机理,油膜反力波动越剧烈,运动误差变化也越显著。相对于其他两个参数比流量Kr和供油压力Ps,初始流量Q0对运动精度的影响较为显著。研究工作旨在为PM流量控制器关键参数的选取提供理论参考。国家科技重大专项资助项目(2017ZX04022001-207